Scaffolding
20210180341 · 2021-06-17
Inventors
Cpc classification
E04G1/17
FIXED CONSTRUCTIONS
E04G1/34
FIXED CONSTRUCTIONS
International classification
E04G1/17
FIXED CONSTRUCTIONS
E04G1/08
FIXED CONSTRUCTIONS
Abstract
A scaffolding module comprising: a frame that, when in an erected configuration, defines an interior space; and a plurality of mounting regions that allow the module to be mounted with other said scaffolding modules, wherein when so mounted, the module frames are able to be interconnected to form a support structure for one or more scaffolding platforms.
Claims
1. A demountable scaffolding assembly comprising: a support structure comprising: a plurality of scaffolding modules that are mounted together, the modules being of the same size as one another with each scaffolding module comprising a frame defining an interior space configured to receive workers, the frame being formed from a plurality of elongate frame members that define a cuboid and incorporate mounting regions disposed on (i) upper and lower faces of the frame so that the module may be mounted with other said modules one on top of the other and (ii) on opposite side faces of the frame so that the module may be mounted with other said modules in side by side relation, the plurality of modules being mounted together at respective said mounting regions in one or both of, side by side, or one on top of the other, relation to form the support structure, wherein at least some of the frame members are formed from profiled sections with the frame member sections of adjacent modules fastened together to form a unitary structure that enhances the rigidity of the support structure; and one or more working platforms supported on the support structure to provide a trafficable surface for the workers to move between side by side scaffolding modules, wherein the connections between side by side scaffolding modules are individually releasable to allow for selective demounting of individual scaffolding modules from the support structure and reuse of the scaffolding modules.
2. A demountable scaffolding assembly according to claim 1, wherein the mounting regions include pre-formed holes to receive mechanical fasteners to secure respective ones of the scaffolding modules together, and the pre-formed holes are spaced apart along the mounting regions of the elongate frame members.
3. A demountable scaffolding assembly according to claim 1, wherein at least some of the mounting regions are configured as surfaces which are arranged to mount in face to face relation with a corresponding mounting surface of another said module.
4. A demountable scaffolding assembly according to claim 1, wherein at least some of the elongate members are angled sections.
5. A demountable scaffolding assembly according to claim 1, wherein at least some of the frame members are interconnected by releasable connections to allow the module to adopt a collapsed configuration.
6. A demountable scaffolding assembly according to claim 1, wherein the frame defines the interior space in an erected configuration, and the frame is rigid when in its erected condition.
7. A demountable scaffolding assembly according to claim 1, wherein the frame members are interconnected by rigid connections.
8. A construction arrangement comprising: a building or a structure under construction, renovation or maintenance; and a demountable scaffolding assembly mounted to the building or the structure, the demountable scaffolding assembly comprising: a plurality of scaffolding modules that are mounted together vertically and horizontally in an array to form a main support structure of the scaffolding assembly that extends across an exterior surface of the building or structure, each scaffolding module comprising a frame defining an interior space configured to receive workers, the frame being formed from a plurality of elongate side frame members and top and bottom frame members that define a cuboid having upper and lower faces, opposite side faces, and inner and outer faces, the frame incorporating mounting regions disposed on (i) the upper and lower faces of the frame so that the module may be mounted vertically with other said modules one on top of the other and (ii) on the opposite side faces of the frame so that the module may be mounted horizontally with other said modules in side by side relation, the plurality of modules being mounted together at respective said mounting regions; wherein at least some of the side frame members are formed from profiled sections with the side frame member profiled sections of adjacent modules fastened together at respective ones of the mounting regions to form a unitary upright structure that enhances the rigidity of the main support structure of the demountable scaffolding assembly; wherein the opposite side faces of the frames have openings to allow the workers to freely pass between the modules mounted in side by side relation; and one or more working platforms supported on the demountable scaffolding assembly to provide a trafficable surface for the workers to move between the scaffolding modules mounted in side by side relation; and ties securing the main support structure of the demountable scaffolding assembly to the building or the structure.
9. The construction arrangement of claim 8, wherein at least some of the mounting regions are configured as surfaces which are mounted in face to face relation with a corresponding mounting surface of another said module.
10. The construction arrangement of claim 8, wherein each elongate frame member is in the form of an angled section.
11. The construction arrangement of claim 8, further comprising releasable connections between scaffolding modules to allow for selective demounting of individual scaffolding modules from the demountable scaffolding assembly.
12. The construction arrangement of claim 8, wherein the mounting regions include pre-formed holes, and the pre-formed holes are spaced apart along the elongate frame members.
13. The construction arrangement of claim 8, wherein the scaffolding modules are capable of reconfiguration and reuse.
14. A method of installing a scaffolding assembly to a building or a structure comprising: providing a plurality of scaffolding modules, the modules being of the same size as one another with each scaffolding module comprising a frame defining an interior space configured to receive workers; mounting together the plurality of scaffolding modules to form a support structure via mounting regions that extends along at least a portion of the building or structure, the mounting regions are configured as surfaces being disposed on (i) upper and lower faces of the frame so that the module may be mounted with other said modules one on top of the other and (ii) on opposite side faces of the frame so that the module may be mounted with other said modules in side by side relation, the plurality of modules being mounted together at respective said mounting regions in one or both of, side by side, or one on top of the other, relation to form the support structure; wherein at least some of the frame members are formed from profiled sections with the frame member profiled sections of adjacent modules fastened together to form a unitary structure that enhances the rigidity of the support structure; supporting one or more working platforms on the support structure to form the scaffolding assembly and provide a trafficable surface for the workers to move between side by side scaffolding modules; and securing the support structure to the building or the structure via ties.
15. A method according to claim 14 further comprising providing releasable connections between scaffolding modules to allow for selective demounting of individual scaffolding modules from the scaffolding assembly.
16. A method according to claim 14, further comprising reconfiguring and reusing of the scaffolding modules.
17. A method according to claim 14, wherein the mounting regions include pre-formed holes to receive mechanical fasteners to secure respective ones of the mounted scaffolding modules together, and the pre-formed holes are spaced apart along the mounting regions of the elongate frame members.
18. A method according to claim 14, wherein each elongate frame member of the support structure has an angled section.
19. A method according to claim 14, further comprising interconnecting the frame member by releasable connections to allow the module to adopt a collapsed configuration.
20. A method according to claim 14, wherein at least some of the mounting regions are configured as surfaces which are arranged to mount in face to face relation with a corresponding mounting surface of another said module.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
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DETAILED DESCRIPTION
[0091]
[0092] As illustrated, the scaffolding assembly 1, may be erected by hoisting module 5 with a crane 7, and arranging the module(s) into the desired scaffold arrangement.
[0093] The modules 5 will now be described in detail with reference to
[0094] The flat surfaces of the horizontal 13 and vertical 15 frame members provide mounting regions for mounting with corresponding mounting regions of adjacent modules 5. The mounting regions are provided with a series of apertures 17. This allows adjacent modules to be coupled to each other with a combination of bolts and nuts, or other suitable mechanical fasteners. In a one form, the apertures are 18 mm in diameter, with the corresponding bolts having a shank diameter of 16 mm. This advantageously provides a degree of tolerance to the overall scaffolding assembly 1.
[0095] At the bottom face of the module 5 transoms 19 are provided to support part of the scaffolding platform section 21. The transoms 19 may be welded or integrally formed with the frame 11 or alternatively a separate component mounted to the frame. The scaffolding platform section 21 is in the form of a metal floor mesh, such as pierced steel secured to the frame 11. The floor mesh may comprise of 50 mm.times.50 mm.times.4 mm mesh, or expanded metal mesh for better grip and smaller holes. Advantageously, the floor mesh provides a light weight working platform for construction workers, as well as overhead protection from large debris. The floor mesh, also allows wind and water to pass through during inclement weather, thereby reducing the effects on the scaffolding. However, it is to be appreciated that other platforms, such as wooden floorboards or steel floorboards may be used as the scaffolding platform section 21.
[0096] As illustrated in
[0097] A barrier in the form of a safety mesh 23 is provided on one face of the module. In use the modules are usually positioned so that the safety mesh 23 is on the outer face of the module facing away from the building 3. The safety mesh 23 may be 50 mm.times.50 mm.times.4 mm metal mesh. A handrail 25 is also provided for workers, and may be constructed of steel angle welded to the frame 11. The safety mesh 23 and handrail 25 provide a safety barrier for workers, as well as preventing the transgression of large debris or other objects through the scaffolding. The lower part of the safety mesh 23 is provided with a kickboard 24 for additional protection. The kickboard 24 may be constructed of denser metal mesh than the safety barrier, for example 50 mm.times.10 mm.times.4 mm, and extend approximately 150 mm above the scaffolding platform section 21.
[0098] At the top portion of module 5 is a guide structure 28, forming part of the guide arrangement. The construction and operation of the guide arrangement is best shown with reference to
[0099] The guide structure 28 comprises a pair of bars 27 and associated supporting members protruding from the frame 11, as illustrated in
[0100] Referring to
[0101] The angled end portions 29 and 33, provide angled ramp surfaces to the guide structure 28. This allows the guide structure 28 of one module to enter the recess 12 of another module, and causing the two modules to self align as they are drawn together. As the bars 27 and 31 are generally perpendicular to each other, the angled end portions 29 and 33, provide self alignment in the two horizontal axes.
[0102] The bars 27 are preferably welded to the frame 11, and are of sufficient strength to function as lifting points for the modules 5. The bars 27 may be lashed to an overhead crane, which can then hoist the module into position.
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[0104] As illustrated in
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[0106] The scaffold bases 9 are then adjusted to ensure the scaffold bases 9 are level. This may be achieved by altering the height of legs 10 of the scaffold base 9. In one embodiment the legs 10 comprise of adjustable screw jacks. The level of the scaffold bases may be monitored by a spirit level, or other suitable equipment. Once the scaffold bases 9 are satisfactorily level, adjacent scaffold bases 9 are secured to each other. Optionally, the scaffold bases may also be tied to the building 3 or other support structure.
[0107] The modules 5 of the scaffold assembly 1 may then be arranged onto the scaffold bases 9. A hoist 7 is attached to the bars 27 of a module, and the module is hoisted onto a corresponding scaffold base 9. The module 5 is then fastened to the scaffold base 9, by bolts and nuts through apertures 17 on the lower members of the frame 11, and corresponding apertures on the scaffold base 9. Subsequent modules 5 are then hoisted and located onto the remaining scaffold bases 9, and fastened therein. Optionally, the scaffolding modules 5 are further fastened to one another and/or tied to the building 3.
[0108] Further modules 5 are arranged above the scaffold bases 9 and preceding modules 5, until the desired scaffolding assembly 1 is erected. For better efficiency in erection, it may be desirable to mount two or more modules 5 together before hoisting the mounted modules to the desired location on the scaffolding assembly 1 as illustrated in
[0109] As illustrated in
[0110] In a further embodiment illustrated in
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[0113] Dismantling the scaffolding assembly 1, is achieve by substantially reversing the erection procedure. The top most module 5 is first demounted from the scaffolding assembly 1, allowing a crane 7 to hoist and lower the module 5 to ground level. To increase speed, two or more modules may remain coupled to each other and removed simultaneously from the scaffolding assembly 1. This process is repeated until the scaffolding assembly is disassembled. The module may then be transported for storage or to the next worksite. Advantageously, the rigid framed modules 5, with few or no working parts requires little setting up or configuration before use. Therefore, the modules 5 may simply be transported to the worksite by truck, and a crane can simply hoist the modules 5 from the truck to the scaffolding assembly 1.
[0114] The modules 5 may be stored in a storage yard when not in use at worksites. The modules may be arranged in a three dimensional matrix, with modules mounted side by side, front to rear, and stacked above each other. This storage arrangement, similar to storage of shipping containers, allows maximum use of storage yard space. The modules 5 may be mounted to each other for security and stability. The modules 5 may also be mounted to each other in clusters, for example 3 or 5 units in a vertical stack. The vertical stack of modules 5 can then be handled as one during storage and transportation, thereby obtaining better economy of effort and time.
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[0116] In alternative embodiments, the modules may comprise of the frame without the scaffolding platform sections. The scaffolding platform sections may be positioned and mounted to the scaffolding assembly, after the modules comprising the frames are erected.
[0117] In another alternative embodiment the scaffolding module may comprise of a rigid frame, wherein part of the frame is formed from at least one scaffolding platform section. Advantageously, this may reduce the number of parts when manufacturing the modules.
[0118] In the illustrated embodiments, the modules are stacked vertically above one another. However, it is to be appreciated other bond patterns, such as a stretcher bond pattern may be used for erecting the scaffolding assembly 1. In such an arrangement, the modules are staggered in adjacent rows.
[0119] Another embodiment of the scaffolding module 205 will now be illustrated with reference to
[0120] In this embodiment, handrails 222, 225 are provided in pairs to provide an upper and lower handrail for additional use for workers. A transom 220 is provided at the top portion of the frame 211, to enhance rigidity of the module 205. The floor mesh 321 may be made of expanded metal floor or decking.
[0121] The kickboard 224 is constructed of steel sheet, which can by permanently fixed or removable. In one form, it can be permanently welded to the frame 211. Advantageously a sheet steel kickboard is easily welded and prevents transgression of fine debris.
[0122] A distinguishing feature of this embodiment of the scaffolding module 205 is the alternative guide arrangement comprising of a guide lug assembly 261 located at corners 270 at the top portion of the module 205. Part of the guide lug assembly 261 is adapted to be received into a recess 12 in the bottom face of the module 205, which is substantially the same as the recess 12 described in the earlier embodiments.
[0123] The construction of the guide lug assembly 261 will now be described with reference to
[0124] The lug 265 is angled towards the corner 270 of the frame 211 at an angle of approximately 45.degree. from the horizontal members 213. The ramp 267 of the lug 265, on entering the recess 12 of another module and bearing on the frame of the other module, will guide the two modules to self align as they are drawn together. Since the lug 265 is angled at 45.degree., it will provide alignment in two horizontal axes. It would be appreciated the method of lowering one module on top of another with this alternative guide arrangement is similar to the previously described methods.
[0125] As previously described, the frame members 213, 215 are constructed of steel angles, having a right angle profile 271 as illustrated in
[0126] A panel 305 for use with the scaffolding modules 205 will now be described with reference to
[0127] In the illustrated embodiment, the panel 305 is dimensioned to have the same height as the scaffolding module 205, and a width equivalent to the sides of the modules 205. However, it is to be appreciated panels of other dimensions may be used.
[0128] The use of the panel 305 as an end piece will now be described with reference to
[0129] An alternative use of the panel 305 to interconnect spaced modules 205 will now be described with reference to
[0130] As illustrated, the panel assemblies 511, overlap and are mounted to a surface of modules 502 and 503 to bridge the space between the modules. A plank 513 may be placed over the floor mesh 221 of modules 502 and 503, to provide a bridging platform for workers to walk across.
[0131] Advantageously, this allows continuity of the scaffolding where the space between two modules 205 is not large enough accommodate a single module 205. This also allows the dimensions of the scaffolding assembly 501 to be adjustable to a degree finer than the size of the discrete scaffolding modules 205.
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[0134] Another embodiment of the scaffolding module 705 will now be described with reference to
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[0136] To save space during transportation or storage, the scaffolding module 805 may be collapsed as illustrated in
[0137] An embodiment of the tie 8 will now be described with reference to
[0138] The first element 901 is fastened to frame member 211 of a scaffolding module 205 at 923. The second element 902 is fastened to the building at 925. Thus the tie 8 ensures the scaffolding 1 and building 3 maintain constant spacing, as well providing mutual support.
[0139] Referring to
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[0141] In the claims which follow and in the preceding description of the invention, except where the context requires otherwise due to express language or necessary implication, the word “comprise” or variations such as “comprises” or “comprising” is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.
[0142] It is to be understood that, if any prior art publication is referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country.