DRAGLINE BUCKET AND WORK MACHINES, SYSTEMS, AND ASSEMBLIES THEREOF
20250354347 ยท 2025-11-20
Assignee
Inventors
- Thiyagarajan Gnanavel PANDYAN (Chennai, IN)
- Saravanan Varadharaj ANTHIPAGULU (Thiruvallur, IN)
- Koushik KABIRAJ (Chennai, IN)
- Surya Sundar Rao KORIMILLI (Chennai, IN)
- Michael R. Stolz (Franklin, WI, US)
Cpc classification
International classification
Abstract
A dragline bucket can comprise a bottom wall; a first sidewall defining a first upper edge; a second sidewall opposite the first sidewall defining a second upper edge; a first forward-facing projection on a first side of the dragline bucket; a second forward-facing projection on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls. In a side elevational view of the dragline bucket, the arm is tilted away from the rear wall at an angle relative to vertical.
Claims
1. A dragline bucket comprising: a bottom wall; a first sidewall extending from the bottom wall and defining a first upper edge; a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; a first forward-facing drag lug on a first side of the dragline bucket; a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, wherein each of the first and second forward-facing drag lugs has an attachment point, wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, wherein a forward-most edge of the arm does not overlap the attachment points of the first and second forward-facing drag lugs in the vertical direction, and wherein the dragline bucket satisfies the following equations:
W/L=0.91 to 1.30;
FH/L=0.47 to 0.63;
BH/L=0.52 to 0.70; and
BH/FH=1.06 to 1.18, where FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, W is a width of a mouth of the dragline bucket, BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.
2. The dragline bucket according to claim 1, wherein FH=2875 mm, L=4800 mm, BH=3229 mm, and/or W=5930 mm.
3. The dragline bucket according to claim 1, wherein the arm is titled away from the rear wall at an angle relative to a vertical plane extending through a forward-most edge of the arm, the angle being from 17.5 degrees to 22.5 degrees, inclusive.
4. The dragline bucket according to claim 1, wherein in the side elevational view of the dragline bucket, the first forward-facing drag lug extends in a forward direction more than each of the arm and the lip assembly, and wherein in the side elevational view of the dragline bucket, the second forward-facing drag lug extends in the forward direction more than each of the arm and the lip assembly.
5. The dragline bucket according to claim 1, wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.
6. The dragline bucket according to claim 1, further comprising one or more dump anchors each having a connection interface, each of the one or more dump anchors being welded to an upper surface of the arm, wherein the first sidewall has a first window portion having a single uniform plate thickness, and wherein the second sidewall has a second window portion having the single uniform plate thickness.
7. A dragline bucket comprising: a bottom wall; a first sidewall extending from the bottom wall and defining a first upper edge; a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; a first forward-facing drag lug on a first side of the dragline bucket; a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, wherein each of the first and second forward-facing drag lugs has an attachment point, wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, wherein the forward-most edge of the arm does not overlap the attachment points of the first and second forward-facing drag lugs in the vertical direction, and wherein the dragline bucket satisfies the following equations:
W/L=0.91 to 1.30;
FH/L=0.47 to 0.63;
BH/L=0.52 to 0.70; and
BH/FH=1.06 to 1.18, where FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, W is a width of a mouth of the dragline bucket, BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.
8. The dragline machine according to claim 7, wherein FH=2350 mm, L=4800 mm, BH=2640 mm, and/or W=4600 mm.
9. The dragline bucket according to claim 7, wherein the arm is titled away from the rear wall at an angle relative to a vertical plane extending through a forward-most edge of the arm, the angle being from 17.5 degrees to 22.5 degrees, inclusive.
10. The bucket machine according to claim 7, wherein in the side elevational view of the dragline bucket, the first forward-facing drag lug extends in a forward direction more than each of the arm and the lip assembly, and wherein in the side elevational view of the dragline bucket, the second forward-facing drag lug extends in the forward direction more than each of the arm and the lip assembly.
11. The dragline bucket according to claim 7, wherein the dragline bucket further includes a cutout portion between the arm and each of the first and second forward-facing drag lugs.
12. The dragline bucket according to claim 7, wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.
13. The dragline bucket according to claim 7, further comprising one or more dump anchors each having a connection interface, each of the one or more dump anchors being welded to an upper surface of the arm, wherein the first sidewall has a first window portion having a single uniform plate thickness, and wherein the second sidewall has a second window portion having the single uniform plate thickness.
14. A method comprising: providing a dragline bucket, the dragline bucket including: a bottom wall; a first sidewall extending from the bottom wall and defining a first upper edge; a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; a first forward-facing drag lug on a first side of the dragline bucket; a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, and wherein the dragline bucket satisfies the following equations:
W/L=0.91 to 1.30;
FH/L=0.47 to 0.63;
BH/L=0.52 to 0.70; and
BH/FH=1.06 to 1.18, where FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, W is a width of a mouth of the dragline bucket, BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.
15. The method according to claim 14, wherein the dragline bucket satisfies the following equations:
W/L=1.18 to 1.30;
FH/L=0.57 to 0.63;
BH/L=0.64 to 0.70; and
BH/FH=1.06 to 1.18.
16. The method bucket according to claim 15, wherein FH=2875 mm, L=4800 mm, BH=3229 mm, and/or W=5930 mm.
17. The method bucket according to claim 14, wherein the dragline bucket satisfies the following equations:
W/L=0.91 to 1.01;
FH/L=0.47 to 0.51;
BH/L=0.52 to 0.58; and
BH/FH=1.06 to 1.18.
18. The method according to claim 17, wherein FH=2350 mm, L=4800 mm, BH=2640 mm, and/or W=4600 mm.
19. The method according to claim 14, wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.
Description
BRIEF DESCRIPTION OF DRAWINGS
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DETAILED DESCRIPTION
[0022] As noted above, the present disclosure relates to a dragline bucket, and work machines, systems, and assemblies thereof. The dragline bucket according to one or more embodiments of the present disclosure may be regarded or referred to as a quick-fill dragline bucket or a prime fill dragline bucket.
[0023]
[0024] The machine 100 can include a house 104, which may be regarded as a cabin or more generally an operator area. The machine 100 can further include a power source supported by the house 104 or other component, such as a chassis or frame. The power source may supply power to various components of the machine 100 for operation, movement, and the like. In one example, the power source may include an engine, such as a diesel engine, a gasoline engine, a gaseous fuel-powered engine, or any other type of combustion engine. In other examples, the power source may additionally or alternatively include an electric drive assembly having one or more electric motors.
[0025] The machine 100 can include a boom 106. The boom 106 can be controlled by a suspension system 108 connected to a mast 110 and a gantry frame 112. The machine 100 can further include a rigging assembly 114 coupled to one or more hoist ropes 116. The machine 100 can also include the dragline bucket 102 coupled to the rigging assembly 114. Optionally, the dragline bucket 102 may be regarded as separate from the machine 100, though operably coupleable to the machine 100, particularly operably coupleable to the rigging assembly 114 thereof, such as shown in
[0026] Turning to
[0027] The dragline bucket 102, according to one or more embodiments of the present disclosure, can include a body having a base 204, which may be regarded as a floor or bottom wall, a first sidewall 206, a second sidewall 208 opposite the first sidewall 206, and a rear or end wall 210. The first sidewall 206 can define a first upper edge 207 opposite the base 204, and the second sidewall 208 can define a second upper edge 209 opposite the base 204, which can be opposite the first upper edge 207. The first upper edge 207 and the second upper edge 209 each can be regarded as an upper rail. Further, the base 204, the first sidewall 206, the second sidewall 208, and the rear or end wall 210 can be arranged to define an interior volume of the dragline bucket 102, such as shown in
[0028] Optionally, each of the first sidewall 206 and the second sidewall 208 can comprise or consist of a plate or plates having a single thickness. Such single-thickness plate(s) per sidewall may be regarded as window plates. In this regard, according to one or more embodiments of the present disclosure, the first sidewall 206 and the second sidewall 208 can be formed of a single plate that extends from the base 204 to the respective first and second upper edges 207, 209, and such single plate can have a single or uniform thickness. A single thickness sidewall may be regarded as a single plate with no lap plates or interruption in plate homogeneousness. Area and thickness of the plate or plates having single thickness, i.e., single-thickness sidewall, can vary based on capacity and/or application.
[0029] The dragline bucket 102 can further include or define a first forward-facing projection 216 and a second forward-facing projection 218 opposite the first forward-facing projection 216 in a width direction of the dragline bucket 102. Optionally, the first forward-facing projection 216 and the second forward-facing projection 218 can be part of the first sidewall 206 and the second sidewall 208, respectively. Each of the first and second forward-facing projections 216, 218 may be regarded as a drag lug. The first and second forward-facing projections 216, 218 may each provide an attachment point 219, which may be, according to one example, a clevis pin-compatible attachment point. Further, such attachment point 219 may be regarded as a hitch point of the cheek plate. The attachment point 219 of each of the first and second forward-facing projections 216, 218 may be coupled directly or indirectly to respective drag ropes or draft rope portions (e.g., indirectly through a chain or chains connected directly to the attachment points 219 at one end and the drag rope(s) at the other end).
[0030] A lip assembly 212 can be provided at the front edge of the base 204 opposite the rear wall 210. Optionally, the lip assembly 212 may be part of the base 204. The lip assembly 212 can include a plurality of edge protectors 213 and/or a plurality of ground engaging tools 214. A vertical plane P2, which can be regarded as a first vertical plane, can extend through the horizontal plane P1 at an edge of the cutting lip of the lip assembly 212. Such edge of the cutting lip may also be referred to or regarded as a shroud base leading edge point. The vertical plane P2 can be regarded as a front capacity line. Further, where the vertical plane P2 crosses the horizontal plane P1 can be regarded as a lower capacity point LCP. The lower capacity point LCP can be vertically above the edge of the cutting lip/shroud base leading edge point. The LCP may be regarded as a front lower capacity point LCP.
[0031] A horizontal plane P3, which may be referred to as a second horizontal plane, can extend through at least a portion of the first upper edge portion 207 or the second upper edge portion 209 in a side elevational view, such as shown in
[0032] According to one or more embodiments, the lip assembly 212 and the first and second sidewalls 206, 208 may define a mouth of the dragline bucket 102. Optionally, according to one or more embodiments, the first and second forward-facing projections 216, 218 may not define the mouth of the dragline bucket 102. The first and second forward-facing projections 216, 218 may be regarded as cheek portions or plates. Optionally, as noted above, the first and second forward-facing projections 216, 218 may be part of the first sidewall 206 and the second sidewall 208, respectively. As such, front or leading portions of the first sidewall 206 and the second sidewall 208 may be regarded as cheek portions or plates.
[0033] The dragline bucket 102 may also include an arm 250. According to one or more embodiments, the arm 250, the lip assembly 212, and the front edges of the first and second sidewalls 206, 208 (including or excluding the first and second forward-facing projections 216, 218) may define a front ring assembly. The front ring assembly, according to one or more embodiments, may comprise or consist of the arm 250, the lip assembly 212, and at least the front edges of the first and second sidewalls 206, 208. The front ring assembly of the dragline bucket 102 may define a front or loading area of the dragline bucket 102. The arm 250 may be in the form of an arch, such as shown in the front elevational view of
[0034] At least a portion of the arm 250, such as a distal end portion away from the first and second sidewalls 206, 208, can be forward of the lip assembly 212 (in the horizontal direction), such as shown in
[0035] The arm 250, which may be linear or extend straight from the first and second sidewalls 206, 208 to the distal end thereof in a side elevational view, for instance, may also be tilted forward at an angle relative to a vertical plane extending from the leading edge at the distal end of the arm 250. Thus, the arch ring, which can be defined at least in part or fully by the arm 250, can be tilted forward at the angle with respect to the lip assembly 212. The angle can be acute, for instance, in a range from 17.5 degrees to 22.5 degrees. According to one or more embodiments, the angle can be 20 degrees. Having the arm 250 tilted forward at the angle can increase the stability of the dragline bucket 102.
[0036] The arm 250 can have a first end 256 fixedly coupled (e.g., welded) to the first sidewall 206 and a second end 258 fixedly coupled (e.g., welded) to the second sidewall 208. The first and second ends 256, 258 can be respectively fixedly coupled to an outside or outer portion of the first and second sidewalls 206, 208. Further, such fixed couplings of the first and second ends 256, 258 to the first and second sidewalls 206, 208 can be at the first and second upper edges 207, 209, according to one or more embodiments of the present disclosure. Such fixed couplings may be regarded as side weldings.
[0037] One or more dump anchors 280, each of which can be a fabrication or a casting, can be provided and fixedly coupled (e.g., welded) to an upper surface 257 of the arm 250.
[0038] The base of the dump anchor 280 can be fixedly coupled to the upper surface 257 of arm 250. According to one or more embodiments, the base of the dump anchor 280 may be a relatively thick base plate, i.e., thicker than portions of the dump anchor 280 above the base.
[0039] According to one or more embodiments, a concave or cutout portion 220 can be between the arm 250 and each of the first and second forward-facing projections 216, 218, such as shown in
[0040] Referring still to
[0041] The dimension FH may be defined as a vertical distance from the first horizontal plane P1, for instance, a horizontal plane extending through the base 204, to the second horizontal plane P3, for instance, a horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm 250, such as shown in
[0042] The dimension W can be regarded as a width of the lip assembly 212 and/or the mouth of the dragline bucket 102, such as shown in
[0043] The dimension BH can be regarded as a dimension in the vertical direction from the horizontal plane P1, which, as noted above, can extend along the floor 204 of the dragline bucket 102, to a horizontal plane P4 extending through or at an uppermost portion of the body of the dragline bucket 102. In this context, the uppermost portion of the body of the dragline bucket 102 may be regarded or defined as the upper surfaces or edges of the first, second, and rear/end sidewalls/walls 206, 208, 210, which can include the first and second upper edges 207, 209 as well as the upper edge of the rear/end wall 210. According to one or more embodiments, the uppermost portion of the body can be at the rear/end wall 210, such as shown in
[0044] The dimension L can be regarded as a length from the vertical plane P2 to a vertical plane P5, which may be regarded as a second vertical plane, extending through a rear-most portion 211 of the body of the dragline bucket 102. The rear-most portion 211 can be at a point or portion along the height of the rear/end wall 210 (in a side elevational view of the dragline bucket 102). According to one or more embodiments, not all of the rear/end wall 210 can be the rear-most portion 211. For instance, as shown in
[0045] According to one or more embodiments, one or more, two or more, or three or more of the following equations can be satisfied: W/L can equal 1.18 to 1.30 (e.g., 1.24); FH/L can equal 0.57 to 0.63 (e.g., 0.60); BH/L can equal 0.64 to 0.70 (e.g., 0.67); and BH/FH can equal 1.06 to 1.18 (e.g., 1.12). For instance, according to one or more embodiments, the dimension FH can be 2875 mm, the dimension L can be 4800 mm, the dimension BH can be 3229 mm, and/or the dimension W can be 5930 mm.
[0046] The weight distribution of the dragline bucket 102 from teeth to heel, according to one or more embodiments of the present disclosure, can have a balance of from 55% to 58% (e.g., 56%) on the teeth and 42% to 45% (e.g., 44%) on the heel. Incidentally, as shown in
[0047] Turning to
[0048] The dimension FH may be defined as a vertical distance from the first horizontal plane P1, for instance, a horizontal plane extending through the base 204, to the second horizontal plane P3, for instance, a horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm 250, such as shown in
[0049] The dimension W can be regarded as a width of the lip assembly 212 and/or the mouth of the dragline bucket 102, such as shown in
[0050] The dimension BH can be regarded as a dimension in the vertical direction from the horizontal plane P1, which can extend along the floor 204 of the dragline bucket 402, to a horizontal plane P4 extending through or at an uppermost portion of the body of the dragline bucket 402. In this context, the uppermost portion of the body of the dragline bucket 402 may be regarded or defined as the upper surfaces or edges of the first, second, and rear/end sidewalls/walls 206, 208, 210, which can include the first and second upper edges 207, 209 as well as the upper edge of the rear/end wall 210. According to one or more embodiments, the uppermost portion of the body can be at the rear/end wall 210, such as shown in
[0051] The dimension L can be regarded as a length from the vertical plane P2 to a vertical plane P5, which may be regarded as a second vertical plane, extending through a rear-most portion 211 of the body of the dragline bucket 402. The rear-most portion 211 can be at a point or portion along the height of the rear/end wall 210 (in a side elevational view of the dragline bucket 102). According to one or more embodiments, not all of the rear/end wall 210 can be the rear-most portion 211. For instance, as shown in
[0052] According to one or more embodiments, one or more, two or more, or three or more of the following equations can be satisfied: W/L can equal 0.91 to 1.01 (e.g., 0/96); FH/L can equal 0.47 to 0.51 (e.g., 0.49); BH/L can equal 0.52 to 0.58 (e.g., 0.55); and BH/FH can equal 1.06 to 1.18 (e.g., 1.12). For instance, according to one or more embodiments, the dimension FH can be 2350 mm, the dimension L can be 4800 mm, the dimension BH can be 2640 mm, and/or the dimension W can be 4600 mm.
[0053] The weight distribution of the dragline bucket 102 from teeth to heel, according to one or more embodiments of the present disclosure, can have a balance of from 55% to 58% (e.g., 56%) on the teeth and 42% to 45% (e.g., 44%) on the heel. Incidentally, as shown in
INDUSTRIAL APPLICABILITY
[0054] Embodiments of the present disclosure relate to dragline buckets, and work machines, systems, and assemblies thereof. The dragline bucket according to one or more embodiments of the present disclosure may be regarded or referred to as a quick-fill dragline bucket or a prime fill dragline bucket. A quick-fill dragline bucket according to one or more embodiments of the present disclosure can be regarded as providing, relative to a comparative dragline bucket, less weight (e.g., 8%), greater productivity (e.g., +20% flat plane and +8% inclined plane), less specific energy (e.g., 14% flat plane and 9% inclined plane), less cycle time (e.g., 17% flat plane and 8% inclined plane), less total energy (e.g., 15% flat-plane, 9% inclined plane), and/or greater force (e.g., +2% flat and inclined planes). A prime fill dragline bucket according to one or more embodiments of the present disclosure can be regarded as providing, relative to a comparative dragline bucket, less weight (e.g., 8%), greater productivity (e.g., +15% flat plane and +7% inclined plane), less specific energy (e.g., 10% flat plane and 11% inclined plane), less cycle time (e.g., 13% flat plane and 6% inclined plane), less total energy (e.g., 10% flat-plane, 11% inclined plane), and/or greater force (e.g., +6% flat plane and +4% inclined plane).
[0055] During positioning of a conventional bucket at the start of digging (pointing vertically downwards), an arm thereof may take direct hits from the ground, especially in underwater digging. This can result in notches and/or material wear in the arm, which can lead to cracks in the weldment and parent material.
[0056] According to one or more embodiments of the present disclosure, a dragline bucket can be implemented or provided, such as the dragline bucket 102 or the dragline bucket 104.
[0057] The dragline bucket 102/402 can have opposing sidewalls, such as the first sidewall 206 and the second sidewall 208. According to one or more embodiments of the present disclosure, each of the first sidewall 206 and the second sidewall 208 can comprise or consist of a plate or plates having a single thickness. Such single-thickness plate(s) per sidewall may be regarded as window plates. In this regard, the first sidewall 206 and the second sidewall 208 can be formed of a single plate that extends from the base 204 to the respective first and second upper edges 207, 209, and such single plate can have a single or uniform thickness. Implementing a single window plate per side of the dragline bucket 102/402 can reduce the weight of the dragline bucket 102/402, the number of parts for the dragline bucket 102/402, manufacturing and process costs, assembly setup time costs, and/or welding costs.
[0058] The dragline bucket 102/402 can have an arm, such as the arm 250, which may be linear or extend straight from the first and second sidewalls 206, 208 to the distal end thereof in a side elevational view, for instance. The arm 250 may be tilted at an angle relative to vertical, again, in the side elevational view, such as shown in
[0059] At least a portion of the arm 250, such as a distal end portion away from the first and second sidewalls 206, 208, can be forward of the lip assembly 212, such as shown in
[0060] The dragline bucket 102 can have, according to one or more embodiments, the dimensions L, FH, BH, and W.
[0061] The dimension FH may be defined as a vertical distance from the first horizontal plane P1, for instance, a horizontal plane extending through the base 204, to the second horizontal plane P3, for instance, a horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm 250, such as shown in
[0062] According to one or more embodiments, one or more, two or more, or three or more of the following equations can be satisfied: W/L can equal 1.18 to 1.30 (e.g., 1.24); FH/L can equal 0.57 to 0.63 (e.g., 0.60); BH/L can equal 0.64 to 0.70 (e.g., 0.67); and BH/FH can equal 1.06 to 1.18 (e.g., 1.12).
[0063] The dragline bucket 402 can have, according to one or more embodiments, the dimensions L, FH, BH, and W.
[0064] The dimension FH may be defined as a vertical distance from the first horizontal plane P1, for instance, a horizontal plane extending through the base 204, to the second horizontal plane P3, for instance, a horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm 250, such as shown in
[0065] The dimension W can be regarded as a width of the lip assembly 212 and/or the mouth of the dragline bucket 402. Additionally or alternatively, the dimension W can be regarded as a width or distance between the first and second forward-facing projections at their front edges and/or at their rear interfaces with the first and second sidewalls 206, 208. The dimension BH can be regarded as a dimension in the vertical direction from the horizontal plane P1, which can extend along the floor 204 of the dragline bucket 402, to a horizontal plane P4 extending through or at an uppermost portion of the body of the dragline bucket 402. In this context, the uppermost portion of the body of the dragline bucket 402 may be regarded or defined as the upper surfaces or edges of the first, second, and rear/end sidewalls/walls 206, 208, 210, which can include the first and second upper edges 207, 209 as well as the upper edge of the rear/end wall 210. According to one or more embodiments, the uppermost portion of the body can be at the rear/end wall 210, such as shown in
[0066] According to one or more embodiments, one or more, two or more, or three or more of the following equations can be satisfied: W/L can equal 0.91 to 1.01 (e.g., 0/96); FH/L can equal 0.47 to 0.51 (e.g., 0.49); BH/L can equal 0.52 to 0.58 (e.g., 0.55); and BH/FH can equal 1.06 to 1.18 (e.g., 1.12). For instance, according to one or more embodiments, the dimension FH can be 2350 mm, the dimension L can be 4800 mm, the dimension BH can be 2640 mm, and/or the dimension W can be 4600 mm.
[0067] Generally speaking, dragline buckets according to embodiments of the present disclosure, including the dragline bucket 102 and/or the dragline bucket 402, can implement specific dimensional ratios such as those discussed above for dragline bucket 102 and/or dragline bucket 402, can maximize productivity and/or performance (e.g., loading and/or unloading performance). Such dragline bucket configurations may also weigh less than conventional dragline buckets. For instance, dragline buckets according to one or more embodiments of the present disclosure, such as dragline bucket 102, can reduce weight by 8% relative to a conventional dragline bucket; productivity can increase by 20% relative to certain flat-bed type dragline buckets and 8% relative to certain inclined bed type dragline buckets; specific energy can be reduced by 14% and 9% relative to certain flat-bed and inclined bed types of dragline buckets, respectively; operation cycle time can be reduced by 17% and 8% relative to certain flat-bed and inclined bed types of dragline buckets, respectively; total energy spent by machine can be reduced by 14% and 9% relative to certain flat-bed and inclined bed types of dragline buckets, respectively; and cost per ton (drag/dip only) savings of 21% and 12% relative to certain flat-bed and inclined bed types of dragline buckets, respectively. As another example, dragline buckets according to one or more embodiments of the present disclosure, such as dragline bucket 402, can reduce weight by 8% relative to a conventional dragline bucket; productivity can increase by 15% relative to certain flat-bed type dragline buckets and 7% relative to certain inclined bed type dragline buckets; specific energy can be reduced by 10% and 11% relative to certain flat-bed and inclined bed types of dragline buckets, respectively; operation cycle time can be reduced by 13% and 6% relative to certain flat-bed and inclined bed types of dragline buckets, respectively; total energy spent by machine can be reduced by 10% and 11% relative to certain flat-bed and inclined bed types of dragline buckets, respectively; and cost per ton (drag/dip only) savings of 17% and 12% relative to certain flat-bed and inclined bed types of dragline buckets, respectively. A
[0068] Embodiments of the disclosed subject matter can also be as set forth according to the following parentheticals.
[0069] (1) A dragline bucket comprising: a bottom wall; a first sidewall extending from the bottom wall and defining a first upper edge; a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; a first forward-facing drag lug on a first side of the dragline bucket; a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, wherein each of the first and second forward-facing drag lugs has an attachment point, wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, wherein a forward-most edge of the arm does not overlap the attachment points of the first and second forward-facing drag lugs in the vertical direction, and wherein the dragline bucket satisfies the following equations: W/L=0.91 to 1.30; FH/L=0.47 to 0.63; BH/L=0.52 to 0.70; and BH/FH=1.06 to 1.18, where FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, W is a width of a mouth of the dragline bucket, BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.
[0070] (2) The dragline bucket according to (1), wherein FH=2875 mm, L=4800 mm, BH=3229 mm, and/or W=5930 mm.
[0071] (3) The dragline bucket according to (1) or (2), wherein the arm is titled away from the rear wall at an angle relative to a vertical plane extending through a forward-most edge of the arm, the angle being from 17.5 degrees to 22.5 degrees, inclusive.
[0072] (4) The dragline bucket according to any one of (1) to (3), wherein in the side elevational view of the dragline bucket, the first forward-facing drag lug extends in a forward direction more than each of the arm and the lip assembly, and wherein in the side elevational view of the dragline bucket, the second forward-facing drag lug extends in the forward direction more than each of the arm and the lip assembly.
[0073] (5) The dragline bucket according to any one of (1) to (4), wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.
[0074] (6) The dragline bucket according to any one of (1) to (5), further comprising one or more dump anchors each having a connection interface, each of the one or more dump anchors being welded to an upper surface of the arm, wherein the first sidewall has a first window portion having a single uniform plate thickness, and wherein the second sidewall has a second window portion having the single uniform plate thickness.
[0075] (7) A dragline bucket comprising: a bottom wall; a first sidewall extending from the bottom wall and defining a first upper edge; a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; a first forward-facing drag lug on a first side of the dragline bucket; a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, wherein each of the first and second forward-facing drag lugs has an attachment point, wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, wherein the forward-most edge of the arm does not overlap the attachment points of the first and second forward-facing drag lugs in the vertical direction, and wherein the dragline bucket satisfies the following equations: W/L=0.91 to 1.30; FH/L=0.47 to 0.63; BH/L=0.52 to 0.70; and BH/FH=1.06 to 1.18, where FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, W is a width of a mouth of the dragline bucket, BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.
[0076] (8) The dragline machine according to (7), wherein FH=2350 mm, L=4800 mm, BH=2640 mm, and/or W=4600 mm.
[0077] (9) The dragline bucket according to (7) or (8), wherein the arm is titled away from the rear wall at an angle relative to a vertical plane extending through a forward-most edge of the arm, the angle being from 17.5 degrees to 22.5 degrees, inclusive.
[0078] (10) The bucket machine according to any one of (7) to (9), wherein in the side elevational view of the dragline bucket, the first forward-facing drag lug extends in a forward direction more than each of the arm and the lip assembly, and wherein in the side elevational view of the dragline bucket, the second forward-facing drag lug extends in the forward direction more than each of the arm and the lip assembly.
[0079] (11) The dragline bucket according to any one of (7) to (10), wherein the dragline bucket further includes a cutout portion between the arm and each of the first and second forward-facing drag lugs.
[0080] (12) The dragline bucket according to any one of (7) to (11), wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.
[0081] (13) The dragline bucket according to any one of (7) to (12), further comprising one or more dump anchors each having a connection interface, each of the one or more dump anchors being welded to an upper surface of the arm, wherein the first sidewall has a first window portion having a single uniform plate thickness, and wherein the second sidewall has a second window portion having the single uniform plate thickness.
[0082] (14) A method comprising: providing a dragline bucket, the dragline bucket including: a bottom wall; a first sidewall extending from the bottom wall and defining a first upper edge; a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; a first forward-facing drag lug on a first side of the dragline bucket; a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, and wherein the dragline bucket satisfies the following equations: W/L=0.91 to 1.30; FH/L=0.47 to 0.63; BH/L=0.52 to 0.70; and BH/FH=1.06 to 1.18, where FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, W is a width of a mouth of the dragline bucket, BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.
[0083] (15) The method according to (14), wherein the dragline bucket satisfies the following equations: W/L=1.18 to 1.30; FH/L=0.57 to 0.63; BH/L=0.64 to 0.70; and BH/FH=1.06 to 1.18.
[0084] (16) The method bucket according to (14) or (15), wherein FH=2875 mm, L=4800 mm, BH=3229 mm, and/or W=5930 mm.
[0085] (17) The method bucket according to any one of (14) to (16), wherein the dragline bucket satisfies the following equations: W/L=0.91 to 1.01; FH/L=0.47 to 0.51; BH/L=0.52 to 0.58; and BH/FH=1.06 to 1.18.
[0086] (18) The method according to any one of (14) to (17), wherein FH=2350 mm, L=4800 mm, BH=2640 mm, and/or W=4600 mm.
[0087] (19) The method according to any one of (14) to (18), wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.
[0088] It must be noted that, as used in the specification and the appended claims, the singular forms a, an, and the include plural referents unless the context clearly dictates otherwise. That is, unless clearly specified otherwise, as used herein the words a and an and the like carry the meaning of one or more. The use of the term at least one followed by a list of one or more items (for example, at least one of A and B or one or more of A and B) is to be construed to mean one item selected from the listed items (A or B) or any combination of two or more of the listed items (A and B; A, A and B; A, B and B), unless otherwise indicated herein or clearly contradicted by context. Similarly, as used herein, the word or refers to any possible permutation of a set of items. For example, the phrase A, B, or C refers to at least one of A, B, C, or any combination thereof, such as any of: A; B; C; A and B; A and C; B and C; A, B, and C; or multiple of any item such as A and A; B, B, and C; A, A, B, C, and C; etc.
[0089] Additionally, it is to be understood that terms such as left, right, top, bottom, front, rear, side, height, length, width, upper, lower, interior, exterior, inner, outer, and the like that may be used herein, merely describe points of reference and do not necessarily limit embodiments of the disclosed subject matter to any particular orientation or configuration. Furthermore, terms such as first, second, third, etc., merely identify one of a number of portions, components, points of reference, operations and/or functions as described herein, and likewise do not necessarily limit embodiments of the disclosed subject matter to any particular configuration or orientation.
[0090] While aspects of the present disclosure have been particularly shown and described with reference to the embodiments above, it will be understood by those skilled in the art that various additional embodiments may be contemplated by the modification of the disclosed machines, assemblies, systems, and methods without departing from the spirit and scope of what is disclosed. Such embodiments should be understood to fall within the scope of the present disclosure as determined based upon the claims and any equivalents thereof.