A space-variable working platform and an aerial work platform

Abstract

The present invention provides a work platform with variable space and an aerial work platform, relating to the technical field of aerial work platforms. The work platform with variable space includes a rear middle support plate, a rear left support plate, a rear right support plate, a front middle support plate, a front left support plate, a front right support plate, a middle guardrail, a first left guardrail, a second left guardrail, a third left guardrail, a fourth left guardrail, a fifth left guardrail, a first right guardrail, a second right guardrail, a third right guardrail, a fourth right guardrail and a fifth right guardrail; each support plate and each guardrail can jointly form a maximum space posture, a semi-space posture and a minimum space posture. The work platform with variable space of the present invention, when applied to an aerial work platform, can switch the work platform to a maximum space posture, a semi-space posture or a minimum space posture according to the operation state, the size of the space of the area to be operated, the number of staff and the change in the volume of equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of aerial work platforms, and more specifically, to a work platform with variable space and an aerial work platform. Background Art

[0002] An aerial work platform is a special vehicle used to transport workers and equipment for aerial operations. An aerial work platform generally includes a vehicle chassis, a boom, and a work platform. The boom is located on the vehicle chassis, and the end of the boom is provided with a work platform. After the boom extends and rises, the work platform is transferred to the high-altitude area to be operated. Currently, the space of the work platform cannot be expanded. When the number of transported workers changes or the volume of the equipment changes, it is necessary to replace work platforms with different space sizes, which affects the operation efficiency of the aerial work platform. In addition, when the aerial work platform is driving on the road, its overall external dimension cannot be too large, so the space size of the work platform is also limited. Summary of the Invention

[0003] The purpose of the present invention is to provide a work platform with variable space, and the space size of the work platform can be changed to adapt to the working conditions.

[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] A work platform with variable space includes a rear middle support plate, a rear left support plate, a rear right support plate, a front middle support plate, a front left support plate, a front right support plate, a middle guardrail, a first left guardrail, a second left guardrail, a third left guardrail, a fourth left guardrail, a fifth left guardrail, a first right guardrail, a second right guardrail, a third right guardrail, a fourth right guardrail, and a fifth right guardrail;

[0006] The bottom of the rear middle support plate is used for assembling and connecting the end of the boom;

[0007] The front side edge of the rear middle support plate is hinged to the rear side edge of the front middle support plate, the left side edge of the rear middle support plate is hinged to the right side edge of the rear left support plate, the right side edge of the rear middle support plate is hinged to the left side edge of the rear right support plate, the left side edge of the front middle support plate is hinged to the right side edge of the front left support plate, and the right side edge of the front middle support plate is hinged to the left side edge of the front right support plate. The two hinged support plates can maintain a coplanar posture or an upright posture;

[0008] The lower side edge of the middle guardrail is fixedly connected to the rear side edge of the rear middle support plate. The middle guardrail and the rear middle support plate maintain an upright posture. The left side edge of the middle guardrail is successively arranged with the first left guardrail, the second left guardrail, the third left guardrail, the fourth left guardrail, and the fifth left guardrail. The middle guardrail and the first left guardrail, as well as adjacent left guardrails, are connected by a hinge. The right side edge of the middle guardrail is successively arranged with the first right guardrail, the second right guardrail, the third right guardrail, the fourth right guardrail, and the fifth right guardrail. The middle guardrail and the first right guardrail, as well as adjacent right guardrails, are connected by a hinge;

[0009] Each support plate and each guardrail can jointly form the maximum space posture, the semi-space posture, and the minimum space posture;

[0010] In the maximum space posture, the two support plates connected by a hinge maintain a coplanar posture. The lower side edge of the first left guardrail is detachably connected to the rear side edge of the rear left support plate. The lower side edge of the second left guardrail is detachably connected to the left side edge of the rear left support plate. The lower side edge of the third left guardrail is detachably connected to the left side edge of the front left support plate. The lower side edge of the fourth left guardrail is detachably connected to the front side edge of the front left support plate. The lower side edge of the fifth left guardrail is detachably connected to the left half of the front side edge of the front middle support plate. The lower side edge of the first right guardrail is detachably connected to the rear side edge of the rear right support plate. The lower side edge of the second right guardrail is detachably connected to the right side edge of the rear right support plate. The lower side edge of the third right guardrail is detachably connected to the right side edge of the front right support plate. The lower side edge of the fourth right guardrail is detachably connected to the front side edge of the front right support plate. The lower side edge of the fifth right guardrail is detachably connected to the right half of the front side edge of the front middle support plate. The fifth left guardrail and the fifth right guardrail are detachably connected;

[0011] In the semi-space posture, the rear middle support plate, the rear left support plate, and the rear right support plate maintain a coplanar posture. The front middle support plate maintains an upright posture relative to the rear middle support plate. The front middle support plate, the front left support plate, and the front right support plate maintain a coplanar posture. The lower side edge of the first left guardrail is detachably connected to the rear side edge of the rear left support plate. The lower side edge of the second left guardrail is detachably connected to the left side edge of the rear left support plate. The left side edge of the front left support plate is detachably connected to the second left guardrail. The lower side edge of the first right guardrail is detachably connected to the rear side edge of the rear right support plate. The lower side edge of the second right guardrail is detachably connected to the right side edge of the rear right support plate. The right side edge of the front right support plate is detachably connected to the second right guardrail;

[0012] In the minimum space posture, the rear left support plate maintains an upright posture relative to the rear middle support plate. The rear right support plate maintains an upright posture relative to the rear middle support plate. The front middle support plate maintains an upright posture relative to the rear middle support plate. The front left support plate maintains an upright posture relative to the front middle support plate. The front right support plate maintains an upright posture relative to the front middle support plate. Other guardrails except the middle guardrail are not connected to each support plate.

[0013] Preferably, for two hinged trays, one end of a tray at the hinged position is defined as the A end, and one end of the other tray at the hinged position is defined as the B end; an A hinged part is provided at the upper part of the A end, a B hinged part is provided at the upper part of the B end, and the A hinged part is hinged to the B hinged part; an A lapping part is provided at the lower part of the A end, a B lapping part is provided at the lower part of the B end, and when the two hinged trays maintain a coplanar posture, the A lapping part laps the B lapping part.

[0014] Preferably, the A lapping part is set as the end face at the lower part of the A end, and the B hinged part is set as the end face at the lower part of the B end.

[0015] Preferably, the A lapping part is set as an A stop block arranged at the lower part of the A end, and the B lapping part is set as a B stop block arranged at the lower part of the B end.

[0016] Preferably, a left support plate is provided at the bottom of the right rear corner of the front left tray. When the front left tray, the front middle tray, the rear left tray and the rear middle tray maintain a coplanar posture, the left support plate laps the bottoms of the front middle tray, the rear left tray and the rear middle tray; a right support plate is provided at the bottom of the left rear corner of the front right tray. When the front right tray, the front middle tray, the rear right tray and the rear middle tray maintain a coplanar posture, the right support plate laps the bottoms of the front middle tray, the rear right tray and the rear middle tray.

[0017] Preferably, in the semi-space posture, the third left guardrail is folded outside the second left guardrail, the third left guardrail is detachably connected to the second left guardrail, the fourth left guardrail is folded outside the first left guardrail, the fourth left guardrail is detachably connected to the first left guardrail, the fifth left guardrail is folded outside the left half of the middle guardrail, the fifth left guardrail is detachably connected to the middle guardrail, the third right guardrail is folded outside the second right guardrail, the third right guardrail is detachably connected to the second right guardrail, the fourth right guardrail is folded outside the first right guardrail, the fourth right guardrail is detachably connected to the first right guardrail, the fifth right guardrail is folded outside the right half of the middle guardrail, and the fifth right guardrail is detachably connected to the middle guardrail.

[0018] Preferably, in the minimum space posture, the left guardrail is stacked on the left half of the outside of the middle guardrail, and the right guardrail is stacked on the right half of the outside of the middle guardrail.

[0019] Preferably, a heightening guardrail is slidably connected to the middle guardrail, and the heightening guardrail can extend or retract vertically relative to the middle guardrail.

[0020] Preferably, at least one guardrail is provided with vertical rails arranged vertically, and a horizontal rail is slidably connected to the vertical rails.

[0021] The present invention also provides an aerial work platform, which includes a vehicle chassis and a boom. The boom is arranged on the vehicle chassis, and further includes the above-mentioned work platform with variable space. The bottom of the rear middle support plate is assembled and connected to the end of the boom.

[0022] The beneficial technical effects of the present invention are:

[0023] For the work platform with variable space of the present invention, when it is applied to an aerial work platform, when the aerial work platform is in a non-aerial work state (such as driving on the road), the work platform can be switched to the minimum space posture; when the aerial work platform is in an aerial work state, according to the size of the space in the area to be worked, the number of staff, and the change in the volume of equipment, the work platform can be switched to the maximum space posture, semi-space posture or minimum space posture; the switching operation between various postures is relatively simple, and all the postures that the work platform is switched to can maintain stable loading and protection of the staff and equipment, and has high practical value. Description of the Drawings

[0024] Figure 1 is a perspective view of the work platform with variable space of the embodiment of the present invention in the maximum space posture;

[0025] Figure 2 is a front view of the work platform with variable space of the embodiment of the present invention in the maximum space posture;

[0026] Figure 3 is Figure 2 a partial enlarged view of part A in

[0027] Figure 4 is Figure 2 a partial enlarged view of part B in

[0028] Figure 5 is a side view of the work platform with variable space of the embodiment of the present invention in the maximum space posture;

[0029] Figure 6 is Figure 5 a partial enlarged view of part C in

[0030] Figure 7 is a top view of the work platform with variable space of the embodiment of the present invention in the maximum space posture;

[0031] Figure 8 is a perspective view of the work platform with variable space of the embodiment of the present invention in the semi-space posture;

[0032] Figure 9 is a front view of the work platform with variable space of the embodiment of the present invention in the semi-space posture;

[0033] Figure 10Side view of the space-variable working platform of the embodiment of the present invention in a semi-space attitude;

[0034] Figure 11 Top view of the space-variable working platform of the embodiment of the present invention in a semi-space attitude;

[0035] Figure 12 Stereogram of the space-variable working platform of the embodiment of the present invention in the minimum space attitude;

[0036] Figure 13 Front view of the space-variable working platform of the embodiment of the present invention in the minimum space attitude;

[0037] Figure 14 Side view of the space-variable working platform of the embodiment of the present invention in the minimum space attitude;

[0038] Figure 15 Top view of the space-variable working platform of the embodiment of the present invention in the minimum space attitude. Detailed implementation manners

[0039] To make the objectives, technical solutions and beneficial effects of the present invention clearer and more understandable, the following further describes the present invention in detail with reference to specific embodiments and the accompanying drawings. Some but not all of the embodiments of the present invention will be described more comprehensively with reference to the attached drawings later. In fact, various embodiments of the present invention can be implemented in many different forms and should not be construed as limited to the embodiments described herein; on the contrary, these embodiments are provided so that the present invention meets the applicable legal requirements.

[0040] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0041] In an embodiment of the present invention, a space-variable working platform is provided. Please refer to Figures 1 to 15 as shown.

[0042] A spatially variable working platform, including a pallet and guardrails. Among them, the pallet is of a rectangular structure, including a rear middle pallet 11, a rear left pallet 12, a rear right pallet 13, a front middle pallet 14, a front left pallet 15, and a front right pallet 16. The outer contour of the guardrails is also of a rectangular structure, and the guardrails include a middle guardrail 21, a first left guardrail 221, a second left guardrail 222, a third left guardrail 223, a fourth left guardrail 224, a fifth left guardrail 225, a first right guardrail 231, a second right guardrail 232, a third right guardrail 233, a fourth right guardrail 234, and a fifth right guardrail 235, etc.

[0043] The bottom of the rear middle pallet 11 is used to assemble and connect the end of the boom. The rear middle pallet 11 maintains a horizontal position and its attitude does not change. The lower side edge of the middle guardrail 21 is fixedly connected to the rear side edge of the rear middle pallet 11, and the middle guardrail 21 and the rear middle pallet 11 maintain an upright attitude.

[0044] The front side edge of the rear middle pallet 11 is hinged to the rear side edge of the front middle pallet 14, the left side edge of the rear middle pallet 11 is hinged to the right side edge of the rear left pallet 12, the right side edge of the rear middle pallet 11 is hinged to the left side edge of the rear right pallet 13, the left side edge of the front middle pallet 14 is hinged to the right side edge of the front left pallet 15, and the right side edge of the front middle pallet 14 is hinged to the left side edge of the front right pallet 16. The two hinged pallets can maintain a coplanar attitude or an upright attitude.

[0045] For two hinged pallets, one end of a pallet at the hinged position is defined as the A end 411, and the other end of the other pallet at the hinged position is defined as the B end 412; an A hinge portion 421 is provided at the upper part of the A end 411, a B hinge portion 422 is provided at the upper part of the B end 412, and the A hinge portion 421 is hinged to the B hinge portion 422 through a pivot mechanism 43; an A lapping portion 441 is provided at the lower part of the A end 411, a B lapping portion 442 is provided at the lower part of the B end 411. When the two hinged pallets maintain a coplanar attitude, the A lapping portion 441 laps the B lapping portion 442, and the two hinged pallets support each other to maintain the coplanar attitude between the two hinged pallets.

[0046] Among them, the above-mentioned A lapping portion 441 is set as the end face at the lower part of the A end 411, the above-mentioned B hinge portion 442 is set as the end face at the lower part of the B end 412, and the end face at the lower part of the A end 411 laps the end face at the lower part of the B end 412. Or, the A lapping portion 441 is set as an A stop block arranged at the lower part of the A end 411, the B lapping portion 442 is set as a B stop block arranged at the lower part of the B end 412, and the end face of the A stop block laps the end face of the B stop block.

[0047] In addition, a left support plate 51 is provided at the bottom of the right rear corner of the front left support plate 15. When the front left support plate 15, the front middle support plate 14, the rear left support plate 12, and the rear middle support plate 11 are in a coplanar posture, the left support plate 51 overlaps the bottoms of the front middle support plate 14, the rear left support plate 12, and the rear middle support plate 11. The front left support plate 15, the front middle support plate 14, the rear left support plate 12, and the rear middle support plate 11 are supported by the left support plate 51 simultaneously to maintain the coplanar posture among the four. A right support plate 52 is provided at the bottom of the left rear corner of the front right support plate 16. When the front right support plate 16, the front middle support plate 14, the rear right support plate 13, and the rear middle support plate 11 are in a coplanar posture, the right support plate 52 overlaps the bottoms of the front middle support plate 14, the rear right support plate 13, and the rear middle support plate 11. The front right support plate 16, the front middle support plate 14, the rear right support plate 13, and the rear middle support plate 11 are supported by the right support plate 52 simultaneously to maintain the coplanar posture among the four.

[0048] The first left guardrail 221, the second left guardrail 222, the third left guardrail 223, the fourth left guardrail 224, and the fifth left guardrail 225 are arranged in sequence along the left edge of the middle guardrail 21. The middle guardrail 21 is connected to the first left guardrail 221 and adjacent left guardrails by means of hinge connection. The adjacent left guardrails are connected by means of hinge connection, that is, the adjacent first left guardrail 221, the second left guardrail 222, the third left guardrail 223, the fourth left guardrail 224, and the fifth left guardrail 225 are connected by means of hinge connection.

[0049] The first right guardrail 231, the second right guardrail 232, the third right guardrail 233, the fourth right guardrail 234, and the fifth right guardrail 235 are arranged in sequence along the right edge of the middle guardrail 21. The middle guardrail 21 is connected to the first right guardrail 231 and adjacent right guardrails by means of hinge connection. The adjacent right guardrails are connected by means of hinge connection, that is, the adjacent first right guardrail 231, the second right guardrail 232, the third right guardrail 233, the fourth right guardrail 234, and the fifth right guardrail 235 are connected by means of hinge connection.

[0050] The above-mentioned support plates and guardrails can jointly form the maximum space posture, the semi-space posture, and the minimum space posture.

[0051] In the maximum space attitude, the two pallets that are hinged maintain a coplanar attitude, that is, all pallets maintain a coplanar attitude. The lower side edge of the first left guardrail 221 is detachably connected to the rear side edge of the rear left pallet 12 through a hand-tightening bolt 3. The lower side edge of the second left guardrail 222 is detachably connected to the left side edge of the rear left pallet 12 through a hand-tightening bolt 3. The lower side edge of the third left guardrail 223 is detachably connected to the left side edge of the front left pallet 15 through a hand-tightening bolt 3. The lower side edge of the fourth left guardrail 224 is detachably connected to the front side edge of the front left pallet 15 through a hand-tightening bolt 3. The lower side edge of the fifth left guardrail 225 is detachably connected to the left half of the front side edge of the front middle pallet 14 through a hand-tightening bolt 3. The lower side edge of the first right guardrail 231 is detachably connected to the rear side edge of the rear right pallet 13 through a hand-tightening bolt 3. The lower side edge of the second right guardrail 232 is detachably connected to the right side edge of the rear right pallet 13 through a hand-tightening bolt 3. The lower side edge of the third right guardrail 233 is detachably connected to the right side edge of the front right pallet 16 through a hand-tightening bolt 3. The lower side edge of the fourth right guardrail 234 is detachably connected to the front side edge of the front right pallet 16 through a hand-tightening bolt 3. The lower side edge of the fifth right guardrail 235 is detachably connected to the right half of the front side edge of the front middle pallet 14 through a hand-tightening bolt 3. The fifth left guardrail 225 and the fifth right guardrail 235 are detachably connected through a hand-tightening bolt 3.

[0052] In the semi-space attitude, the rear middle pallet 11, the rear left pallet 12 and the rear right pallet 13 maintain a coplanar attitude. The front middle pallet 14 maintains an upright attitude relative to the rear middle pallet 11. The front middle pallet 14, the front left pallet 15 and the front right pallet 16 maintain a coplanar attitude. The lower side edge of the first left guardrail 221 is detachably connected to the rear side edge of the rear left pallet 12 through a hand-tightening bolt 3. The lower side edge of the second left guardrail 222 is detachably connected to the left side edge of the rear left pallet 12 through a hand-tightening bolt 3. The left side edge of the front left pallet 15 is detachably connected to the second left guardrail 222 through a hand-tightening bolt 3. The lower side edge of the first right guardrail 231 is detachably connected to the rear side edge of the rear right pallet 13 through a hand-tightening bolt 3. The lower side edge of the second right guardrail 232 is detachably connected to the right side edge of the rear right pallet 13 through a hand-tightening bolt 3. The right side edge of the front right pallet 16 is detachably connected to the second right guardrail 232 through a hand-tightening bolt 3.

[0053] When in the semi-space posture, to reduce the external dimensions of the working platform and keep the overall structure compact and stable, the third left guardrail 223 is folded outside the second left guardrail 222. The third left guardrail 223 is detachably connected to the second left guardrail 222 by a hand-tightened bolt 3. The fourth left guardrail 224 is folded outside the first left guardrail 221. The fourth left guardrail 224 is detachably connected to the first left guardrail 221 by a handle lock 6. The fifth left guardrail 225 is folded on the left half of the outside of the middle guardrail 21. The fifth left guardrail 225 is detachably connected to the middle guardrail 21 by a hand-tightened bolt 3. The third right guardrail 233 is folded outside the second right guardrail 232. The third right guardrail 233 is detachably connected to the second right guardrail 232 by a hand-tightened bolt 3. The fourth right guardrail 234 is folded outside the first right guardrail 231. The fourth right guardrail 234 is detachably connected to the first right guardrail 231 by a handle lock 6. The fifth right guardrail 235 is folded on the right half of the outside of the middle guardrail 21. The fifth right guardrail 235 is detachably connected to the middle guardrail 21 by a hand-tightened bolt 3.

[0054] In the minimum space posture, the rear left support plate 12 maintains an upright posture relative to the rear middle support plate 11. The rear right support plate 13 maintains an upright posture relative to the rear middle support plate 11. The front middle support plate 14 maintains an upright posture relative to the rear middle support plate 11. The front left support plate 15 maintains an upright posture relative to the front middle support plate 14. The front right support plate 16 maintains an upright posture relative to the front middle support plate 14. Other guardrails except the middle guardrail 21 are not connected to the support plates.

[0055] In the minimum space posture, to reduce the external dimensions of the working platform and keep the overall structure compact and stable, the left guardrails (the first left guardrail 221, the second left guardrail 222, the third left guardrail 223, the fourth left guardrail 224, and the fifth left guardrail 225) are stacked on the left half of the outside of the middle guardrail 21, and the right guardrails (the first right guardrail 231, the second right guardrail 232, the third right guardrail 233, the fourth right guardrail 234, and the fifth right guardrail 235) are stacked on the right half of the outside of the middle guardrail 21.

[0056] Specifically, in this embodiment, the first left guardrail 221 is folded outside the middle guardrail 21. The second left guardrail 222 is folded on the first left guardrail 221. The third left guardrail 223 is folded on the second left guardrail 222. The fourth left guardrail 224 is folded on the third left guardrail 223. The fifth left guardrail 225 is bent inward and folded between the third left guardrail 223 and the fourth left guardrail 224. At the same time, the fourth left guardrail 224, the fifth left guardrail 225, the third left guardrail 223, the second left guardrail 222 and the first left guardrail 221 are sequentially connected in series by the hand-tightening bolt 3, and the end of the hand-tightening bolt 3 is detachably connected to the middle guardrail 21. The first right guardrail 231 is folded outside the middle guardrail 21. The second right guardrail 232 is folded on the first right guardrail 231. The third right guardrail 233 is folded on the second right guardrail 232. The fourth right guardrail 234 is folded on the third right guardrail 233. The fifth right guardrail 235 is bent inward and folded between the third right guardrail 233 and the fourth right guardrail 234. At the same time, the fourth right guardrail 234, the fifth right guardrail 235, the third right guardrail 233, the second right guardrail 232 and the first right guardrail 231 are sequentially connected in series by the hand-tightening bolt 3, and the end of the hand-tightening bolt 3 is detachably connected to the middle guardrail 21.

[0057] A heightening guardrail 24 is slidably connected to the middle guardrail 21 above. The heightening guardrail 24 can extend or retract relative to the middle guardrail 21 in the vertical direction. Specifically, vertical sleeves 211 are provided on both sides of the middle guardrail 21, vertical sliding rods 241 are provided on both sides of the heightening guardrail 24, the vertical sliding rods 241 are inserted into the internal parts of the vertical sleeves 211, the vertical sliding rods 241 are slidably connected to the vertical sleeves 211, and locking screws 7 are provided on the vertical sleeves 211. After the heightening guardrail 24 is adjusted to a suitable height relative to the middle guardrail 21, the vertical sliding rod 241 and the vertical sleeve 211 are locked by the locking screw 7. The heightening guardrail 24 can extend or retract relative to the middle guardrail 21 in the vertical direction to adjust the height of the heightening guardrail 24. Before performing high-altitude operations, the heightening guardrail 24 is extended relative to the middle guardrail 21 in the vertical direction to achieve the protection of the staff behind in the working platform and prevent the staff from falling backward from the working platform; in the non-high-altitude operation state, the heightening guardrail 24 is retracted relative to the middle guardrail 21 in the vertical direction to reduce the external dimensions of the working platform.

[0058] At least one guardrail is provided with vertical rails 81 arranged in the vertical direction, and a horizontal rail 82 is slidably connected to the vertical rails 81. In this embodiment, the fifth right guardrail 235 is provided with vertical rails 81 arranged in the vertical direction, and a horizontal rail 82 is slidably connected to the vertical rails 81. The staff can manually move the horizontal rail 82 upward relative to the vertical rails 81 to facilitate the entry and exit of the staff and equipment into and out of the working platform.

[0059] An embodiment of the present invention further provides an aerial work platform, which includes a vehicle chassis and a boom. The boom is arranged on the vehicle chassis, and further includes the above-mentioned work platform with variable space. The bottom of the rear middle support plate 11 is assembled and connected to the end of the boom.

[0060] So far, this embodiment has been described in detail with reference to the accompanying drawings. Based on the above description, those skilled in the art should have a clear understanding of a work platform with variable space according to the present invention. For the work platform with variable space of the present invention, when it is applied to an aerial work platform, when the aerial work platform is in a non-aerial work state (such as driving on a road), the work platform can be switched to the minimum space posture; when the aerial work platform is in an aerial work state, it can be switched to the maximum space posture, half-space posture or minimum space posture according to the size of the space in the area to be worked, the number of staff and the change in the volume of equipment; the switching operation between various postures is relatively simple, and all the postures that the work platform is switched to can maintain stable loading and protection of the staff and equipment, and have high practical value.

[0061] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A spatially variable working platform, characterized in that: It includes a rear middle support plate, a rear left support plate, a rear right support plate, a front middle support plate, a front left support plate, a front right support plate, a middle guardrail, a first left guardrail, a second left guardrail, a third left guardrail, a fourth left guardrail, a fifth left guardrail, a first right guardrail, a second right guardrail, a third right guardrail, a fourth right guardrail and a fifth right guardrail; The bottom of the rear middle support plate is used for assembling and connecting the end of the boom; The front side edge of the rear middle support plate is hinged to the rear side edge of the front middle support plate, the left side edge of the rear middle support plate is hinged to the right side edge of the rear left support plate, the right side edge of the rear middle support plate is hinged to the left side edge of the rear right support plate, the left side edge of the front middle support plate is hinged to the right side edge of the front left support plate, the right side edge of the front middle support plate is hinged to the left side edge of the front right support plate, and the two hinged support plates can maintain a coplanar posture or an upright posture; The lower side edge of the middle guardrail is fixedly connected to the rear side edge of the rear middle support plate, the middle guardrail and the rear middle support plate maintain an upright posture, the first left guardrail, the second left guardrail, the third left guardrail, the fourth left guardrail and the fifth left guardrail are arranged in sequence along the left side edge of the middle guardrail, the middle guardrail and the first left guardrail and adjacent left guardrails are connected by hinge means, the first right guardrail, the second right guardrail, the third right guardrail, the fourth right guardrail and the fifth right guardrail are arranged in sequence along the right side edge of the middle guardrail, and the middle guardrail and the first right guardrail and adjacent right guardrails are connected by hinge means; Each support plate and each guardrail can jointly form a maximum space posture, a semi-space posture and a minimum space posture; In the maximum space posture, the two hinged support plates maintain a coplanar posture, the lower side edge of the first left guardrail is detachably connected to the rear side edge of the rear left support plate, the lower side edge of the second left guardrail is detachably connected to the left side edge of the rear left support plate, the lower side edge of the third left guardrail is detachably connected to the left side edge of the front left support plate, the lower side edge of the fourth left guardrail is detachably connected to the front side edge of the front left support plate, the lower side edge of the fifth left guardrail is detachably connected to the left half of the front side edge of the front middle support plate, the lower side edge of the first right guardrail is detachably connected to the rear side edge of the rear right support plate, the lower side edge of the second right guardrail is detachably connected to the right side edge of the rear right support plate, the lower side edge of the third right guardrail is detachably connected to the right side edge of the front right support plate, the lower side edge of the fourth right guardrail is detachably connected to the front side edge of the front right support plate, the lower side edge of the fifth right guardrail is detachably connected to the right half of the front side edge of the front middle support plate, and the fifth left guardrail and the fifth right guardrail are detachably connected; In the semi-space posture, the rear middle support plate, the rear left support plate and the rear right support plate maintain a coplanar posture, the front middle support plate maintains an upright posture relative to the rear middle support plate, the front middle support plate, the front left support plate and the front right support plate maintain a coplanar posture, the lower side edge of the first left guardrail is detachably connected to the rear side edge of the rear left support plate, the lower side edge of the second left guardrail is detachably connected to the left side edge of the rear left support plate, the left side edge of the front left support plate is detachably connected to the second left guardrail, the lower side edge of the first right guardrail is detachably connected to the rear side edge of the rear right support plate, the lower side edge of the second right guardrail is detachably connected to the right side edge of the rear right support plate, and the right side edge of the front right support plate is detachably connected to the second right guardrail; In the minimum space attitude, the rear left pallet remains upright relative to the rear middle pallet, the rear right pallet remains upright relative to the rear middle pallet, the front middle pallet remains upright relative to the rear middle pallet, the front left pallet remains upright relative to the front middle pallet, the front right pallet remains upright relative to the front middle pallet, and the other guardrails except the middle guardrail are not connected to the pallets.

2. The variable-space working platform according to claim 1, characterized in that: For two hinged pallets, one end of a pallet at the hinge position is defined as the A end, and the other end of the other pallet at the hinge position is defined as the B end; an A hinge part is provided at the upper part of the A end, a B hinge part is provided at the upper part of the B end, and the A hinge part is hinged to the B hinge part; an A overlapping part is provided at the lower part of the A end, a B overlapping part is provided at the lower part of the B end, and when the two hinged pallets maintain a coplanar attitude, the A overlapping part overlaps the B overlapping part.

3. The variable space working platform according to claim 2, characterized in that: The A overlapping part is set as the end face at the lower part of the A end, and the B hinge part is set as the end face at the lower part of the B end.

4. A space-variable working platform according to claim 2, characterized in that: The A overlapping part is set as an A stop block arranged at the lower part of the A end, and the B overlapping part is set as a B stop block arranged at the lower part of the B end.

5. A work platform with variable space according to claim 2, characterized in that: A left support plate is provided at the bottom of the right rear corner of the front left pallet. When the front left pallet, the front middle pallet, the rear left pallet and the rear middle pallet maintain a coplanar attitude, the left support plate overlaps the bottoms of the front middle pallet, the rear left pallet and the rear middle pallet; a right support plate is provided at the bottom of the left rear corner of the front right pallet. When the front right pallet, the front middle pallet, the rear right pallet and the rear middle pallet maintain a coplanar attitude, the right support plate overlaps the bottoms of the front middle pallet, the rear right pallet and the rear middle pallet.

6. The variable space working platform according to claim 1, characterized in that: In the half-space attitude, the third left guardrail folds to the outside of the second left guardrail, the third left guardrail is detachably connected to the second left guardrail, the fourth left guardrail folds to the outside of the first left guardrail, the fourth left guardrail is detachably connected to the first left guardrail, the fifth left guardrail folds to the left half of the outside of the middle guardrail, the fifth left guardrail is detachably connected to the middle guardrail, the third right guardrail folds to the outside of the second right guardrail, the third right guardrail is detachably connected to the second right guardrail, the fourth right guardrail folds to the outside of the first right guardrail, the fourth right guardrail is detachably connected to the first right guardrail, the fifth right guardrail folds to the right half of the outside of the middle guardrail, and the fifth right guardrail is detachably connected to the middle guardrail.

7. A work platform with variable space according to claim 1, characterized in that: In the minimum space attitude, the left guardrail is stacked on the left half of the outside of the middle guardrail, and the right guardrail is stacked on the right half of the outside of the middle guardrail.

8. A work platform with variable space according to claim 1, characterized in that: A heightening guardrail is slidably connected to the middle guardrail, and the heightening guardrail can extend or retract vertically relative to the middle guardrail.

9. The variable-space working platform according to claim 1, wherein: At least one guardrail is provided with vertical rails arranged vertically, and a horizontal rail is slidably connected to the vertical rails.

10. An aerial work platform, comprising a vehicle chassis and a boom, the boom being disposed on the vehicle chassis, characterized in that: It further includes the space-variable working platform according to any one of claims 1 to 9, and the bottom of the rear middle pallet is assembled and connected to the end of the boom.

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