Abstract
This invention provides an oblique submerged reverse deep rotary tilling device, which includes a stander, a mounted frame, a gearbox and an oblique blade roller. However, the oblique blade roller is mainly made up of configured rotary blades whose tips bend to the same direction. The angle between the rotary tilling blade roller and the traction speed is 5570 while the rotary blade tips are all toward the right side of the traction speed. Side force balance blades are installed to the left side of the oblique blade roller and used to balance the axial component force of the oblique blade roller. The working pattern of this invention is an oblique submerged reverse rotary tillage method. Therefore, there is no soil restriction on the top of the tilling soil clod. Meanwhile, due to cutting soil configured regularly, the right-side soil has been cut when the rotary tilling blades soil begins tilling. The soil is mainly destroyed by tension. Since rotary blades have axial component speed, tilled soil clods will be destroyed mainly by rightward pulling force applied by rotary blades, and the tilled soil clods are mainly thrown to cultivated land. Thus, the invention can reduce secondary tillage and energy consumption. In addition, the invention can avoid interference among gearbox, bearing seat and untilled soil, so the blade roller can easily sink into the ground to achieve deep tillage.
Claims
1. An oblique submerged reverse deep rotary tilling device, the device comprising: a stander (1), a mounted frame (2), a gearbox (3) and an oblique blade roller (5). This device has characters as follows: the gearbox (3) is configured at the center of the stander (1); the power input shaft of the gearbox (3) is linked with the power take-off (PTO) shaft of the tractor by a universal joint, and the angle between the power input shaft and the tractor traction speed is 110125; the power output shaft (17) of the gearbox (3) is a splined shaft, further, the ends of the power output shaft (17) are connected with corresponding adjacent ends of the oblique blade roller shaft (7) and equipped in the bearing (18) of the bearing seat (4) respectively. The bearing seat (4) is fixed on the stander (1) by bolts.
2. The oblique blade roller (5) includes regularly configured rotary blades (6). The oblique angle between the oblique blade roller (5) and the traction speed is between 5570. The tips of the rotary blade (6) are bending toward tilled soil (or rightward soil). A column of side force balance blades (16) whose moving planes are parallel to the rotation plane of the tractor driving wheel is equipped on the left end of the oblique blade roller (5). The angle between the rotating center axis of the side force balance blades (16) and the oblique blade roller (5) is between 2035, and the rotating axis of the side force balance blades (16) is paralleled to the driving shaft of the tractor.
3. The device of claim 1, wherein the oblique blade roller (5) works under oblique submerged reverse rotary methods, and the oblique blade roller shaft (7) is located below 5-10 cm to the soil surface, and the rotating direction is inverse to the tractor driving wheel when the tractor is advancing.
4. The device of claim 2, wherein the oblique bearing seat (21) is fixed at the end of the oblique blade roller shaft (7). Further the oblique bearing seat (21) is fixed with the stander (1) using bolts and the oblique bearing seat (21) has an inner groove paralleled to the driving wheel, further the cylindrical roller bearing (22) is fixed in the inner groove of the oblique bearing seat (21) and the outer ring of the cylindrical roller bearing (22) is equipped in the oblique bearing seat (21), further the steel ball seat (9) is configured on the oblique blade roller shaft (7) and matched with the inner ring of the cylindrical roller bearing (22), further the side force balance blades (16) are fixed on the cutter head (10) and the cutter head (10) is fixed on the steel ball seat (9), further a groove, where the steel balls (9) are installed in, is cut in the oblique blade roller shaft (7) and configured between the steel ball seat (9) and the oblique blade roller shaft (7).
5. The device of claim 4, wherein the steel ball seat (9) is fitted to the inner ring of the cylindrical roller bearing (22) by an interference fit, and the outer ring of the cylindrical roller bearing (22) is fitted to the oblique bearing seat (21) by an interference fit.
6. The device of claim 5, wherein the number of the side force balance blades (16) is 46.
7. The device of claim 6, wherein the side force balance blades (16) are side-cutting blades, and their side-cutting planes include a cutting-edge I (19) and a cutting-edge II (20).
8. The device of claim 7, wherein the cutting-edge I (19) adopts Descartes Ray curve, and the cutting-edge II (20) adopts the Weibull Distribution curve in which size, shape and position parameters are =1, 0.5<<1, =0 respectively.
9. The device of claim 8, wherein the distance between adjacent rotary blade (6) cutter head is 100150 mm, and each cutter head is installed on 23 rotary blades (6), the phase angle of the rotary blades (6) is mounted on the same adjacent cutter head (10) at 6090.
Description
IV. DESCRIPTION OF DRAWINGS
[0024] FIG. 1 is a cross sectional schematic view of the concave-convex complex morphology;
[0025] FIG. 2 is a cross sectional schematic view of the concave-convex complex morphology filled with a solid lubricant;
[0026] FIG. 3 is a schematic diagram of the working principle of the surface morphology in a cutting process.
[0027] In the figures: 1pit; 2annular boss; 3diameter of pit; 4depth of pit; 5width of boss; 6height of boss; 7solid lubricant; 10cutter; 11workpiece; 12chip; 13convex dam; 14solid lubricant film.
[0028] FIG. 1 illustrates the schematic diagram of the structure of the present invention;
[0029] FIG. 2 illustrates the local enlarging graphs of the A section shown in FIG. 1;
[0030] FIG. 3 illustrates the local enlarging graphs of the B section shown in FIG. 1;
[0031] FIG. 4 illustrates the local enlarging graphs of the C section shown in FIG. 1;
[0032] FIG. 5 illustrates a schematic diagram of rotary blade;
[0033] FIG. 6 illustrates the schematic diagram of the side force balance knife;
[0034] FIG. 7 illustrates the schematic diagram of the working of the present invention;
[0035] FIG. 8 illustrates the schematic diagram of rotary blade cutting soil movement of the present invention;
[0036] FIG. 9 illustrates the schematic diagram of the cutting soil of the present invention;
[0037] FIG. 10 illustrates the schematic diagram of rotary blade effect on soil of the present invention;
[0038] FIG. 11 illustrates the natural submerged reverse rotary direction of soil throwing device;
[0039] FIG. 12 illustrates the diagram of throwing soil of the present invention.
[0040] In the figures: 1stander; 2mounted frame; 3gearbox; 4bearing seat; the 5oblique blade roller; 6, rotary blade; 7oblique blade roller shaft; 8steel ball; 9steel ball seat; 10cutter head; 11uncultivated land; 12cut slice; 13ground surface; 14cultivated land; 15soil particle; 16side force balance blades; 17output shaft; 18bearing; 19cutting-edge I; 20cutting-edge II; 21oblique bearing seat; 22cylindrical roller bearing.
V. EMBODIMENTS
[0041] Further to the drawings as well as specific examples presented below, but the scope of the invention is not limited to this.
[0042] As shown in FIG. 1, FIG. 3 and FIG. 4, the oblique submerged reverse deep rotary tilling device of the invention includes a stander 1, a mounted frame 2, a gearbox 3 and an oblique blade roller 4. The oblique submerged reverse deep rotary tilling device is connected to the tractor through a mounted frame 2, and the mounted frame 2 is connected to the frame 1. The gearbox 3 is positioned at the center of the device, and the power output shaft of the tractor drives the power input shaft of the gearbox 3 through a universal joint. The power output shaft 17 of the gearbox 3 is a splined shaft, and both ends of the power output shaft 17 are respectively connected with one end of the oblique blade roller shaft 7 on both ends. And the other end of the oblique cutter roller shaft 7 is configured in the bearing 18 located in the bearing seat 4, and the bearing seat 4 is fixed on the frame 1 by bolts. The power output shaft 17 of the gearbox 3 drives the oblique blade roller 5 on both ends to reversely rotate and cut soil.
[0043] As shown in FIG. 1 and FIG. 2, the oblique blade roller 5 is made up of the rotary blades 6 whose tips are bending rightward, and the oblique angle between the oblique blade roller 5 and the advancing direction of the tractor is 5570, and the rotary blade 6 tips are all bent rightward. However, the left side of oblique knife roller 5 is configured a column of side force balance blades 16, and the oblique angle between the rotating center axis of the side force balance blades 16, the oblique blade roller 5 is 2035, and the rotating center axis of the side force balance blades 16 is parallel to the driving wheel shaft of the tractor.
[0044] As shown in FIG. 2, the oblique blade roller shaft 7 has a groove, and a steel ball 8 is fitted between the groove and the steel ball seat 9 of the side force balance blade 16 on the left side of the oblique blade roller 5. The steel ball seat 9 is connected with the cutter head 10 through bolts, and the cutter head 10 is equipped the side force balancing blades 16. The steel ball seat 9 is connected to the inner ring of the cylindrical roller bearing 22 by pinch fit, and the outer ring of the cylindrical roller bearing 22 is connected to the oblique bearing seat 21 by pinch fit. The oblique bearing seat 21 is fixed with the stander 1 by bolts. When the oblique blade roller shaft 7 rotates, the steel ball 8 drives the steel ball seat 9 to rotate, and the steel ball 8 rolls back and forth in the groove in the left of the oblique blade roller shaft 7. The steel ball seat 9 drives the inner ring of the cylindrical roller bearing 22 to rotate. Because the outer ring of the cylindrical roller bearing 22 is fixed with the oblique bearing seat 21, the side force balance blade 16 is rotated to cut soil in the plane which parallels to the tractor wheel.
[0045] As shown in FIG. 5, the rotary blade 6 is specifically designed for the invention. The length of the rotary blade 6 is 150250 mm, blade thickness is 810 mm, the widthwise section width is 1520 mm, and the lengthwise section width is 80120 mm. The lengthwise section area of the rotary blade 6 is enlarged, and the widthwise section area is decreased, which can reduce the amount of soil thrown forward and increase the amount of soil thrown backward.
[0046] As shown in FIG. 6, the number of the side force balance blades 16 installed on the left side of the oblique blade roller 5 is 46. The lateral area of the side force balance blades 16 is relatively larger, and the side force balance blades 16 has a cutting-edge I 19 and a cutting-edge II 20. The cutting-edge I 19 adopts Descartes Ray curve, and the cutting-edge II 20 adopts the structure of Weibull Distribution curve in which size, the shape, and position parameters are =1, 0.5<<1, =0 respectively. In the cutting soil process, the relatively larger lateral area is more effective to balance the axial force of the knife roller.
[0047] As shown in FIG. 7, the gearbox 3 of the dotted area located in the farming area of the solid line when the oblique blade roller 5 moves from solid line area to the dotted area. Namely, the gearbox 3 is located on cultivated land 14 then. So, the device can avoid the gearbox 3 interference with uncultivated land 11, and make the oblique blade roller shaft 7 sinks into the ground surface to achieve deep tillage.
[0048] As shown in FIG. 8, when the rotary blade 6 moves from position a to the position b, the rotary blade 6 not only moves forward L but also moves rightward S. So, the rotary blade 6 has a movement of pointing to the cultivated land 14 and makes more soil destroyed by tension force, consequently reducing cutting soil force. It also makes the cut slice 12 get a speed of pointing to the cultivated land 14, and make tilled soil clods thrown to the cultivated land 14, reducing re-tilling.
[0049] As shown in FIG. 9, the operating mode of the present invention is oblique submerged reverse rotary tillage. The soil is cut from the plow-sole. Because the cut slice 12 has no constraint above, more soil can be broken by tension and be thrown to cultivated land 14. So, it can reduce the amount of hipping in the front.
[0050] As shown in FIG. 10, the right of the rotary blade 6 is cultivated land 14, so cut slice 12 reduces a constraint surface. That will reduce the cutting force, and make the soil damaged more easily, and reduce the energy consumption of cutting soil. Because the angle between the side edge of rotary blade 6 and forward direction is 2035, the side edge of rotary blade 6 with lateral displacement produces forces on the cut slice 12, and the force direction is shown in the figure. Since the right of the cut slice 12 is cultivated land 14, more soil may be broken by tension. So, the invention can reduce the energy consumption.
[0051] As shown in FIG. 11 and FIG. 12, the throwing direction of the soil particles 15 is as shown in FIG. 11 when using natural submerged reverse rotary tillage device. Most soil particles are thrown to the front of the device, causing blockage and increasing farming energy consumption. However, the throwing direction of the soil particles 15 is as shown in FIG. 12 when using oblique submerged reverse rotary tillage device of the present invention. In addition to the soil particles 15 thrown to the forward or backward, more soil particles 15 are thrown to the cultivated land 14. So, the invention may make more soil be thrown to the cultivated land 14, and reduce the amount of hipping, and further reduce re-tillage and energy consumption.
[0052] In addition, the object of the present invention is to create an embodiment and has been described in detail, the present invention is provided only for the creation of a preferred embodiment, and cannot consider defining the scope of the present inventions. Where the scope of such an application under these inventions made in equal changes and modifications shall yet fall within the present inventions covered by the patent. Because many modifications, variations, and changes in detail can be made to the described preferred embodiments of the invention, it is intended that all matters in the foregoing description and shown in the accompanying drawings be interpreted as illustrative and not in a limiting sense. Thus, the scope of the invention should be determined by the appended claims and their legal equivalence.
