Lifting scaffold with anti-falling function
阅读说明:本技术 一种带防坠功能的升降脚手架 (Lifting scaffold with anti-falling function ) 是由 卜建荣 徐燕君 于 2019-11-15 设计创作,主要内容包括:本发明公开一种带防坠功能的升降脚手架,包括支撑架、支撑框、支撑板、连接块,所述支撑架设置有两组,所述支撑框设置在支撑架上方,所述支撑板设置在支撑框上部,所述支撑架下部外侧和内侧分别设有脚撑单元和行走单元,所述连接块左右两侧均连接有若干耳板,所述支撑架内侧均设有加强梁,所述耳板远离连接块的一端与加强梁固定相连,所述支撑架包括两个竖梁,所述两个竖梁之间连接有若干横梁。该发明的脚手架具有防坠结构,起到双重防护的效果,解决了现有技术中防坠装置的安全系数不高的问题。(The invention discloses a lifting scaffold with an anti-falling function, which comprises two groups of supporting frames, supporting plates and connecting blocks, wherein the supporting frames are arranged above the supporting frames, the supporting plates are arranged at the upper parts of the supporting frames, foot supporting units and walking units are respectively arranged at the outer sides and the inner sides of the lower parts of the supporting frames, a plurality of lug plates are connected to the left and right sides of the connecting blocks, reinforcing beams are arranged at the inner sides of the supporting frames, one ends, far away from the connecting blocks, of the lug plates are fixedly connected with the reinforcing beams, the supporting frames comprise two vertical beams, and a plurality of cross beams are connected between the two vertical beams. The scaffold provided by the invention has an anti-falling structure, has a double-protection effect, and solves the problem that the safety coefficient of the anti-falling device in the prior art is not high.)
1. A lifting scaffold with an anti-falling function comprises a support frame, support frames, support plates and connecting blocks, wherein the support frame is provided with two groups, the support frames are arranged above the support frame, the support plates are arranged on the upper portion of the support frame, foot supporting units are arranged on the outer side of the lower portion of the support frame, a plurality of reinforcing beams are connected to the left side and the right side of each connecting block, ear plates are arranged on the inner sides of the support frames, one ends, away from the connecting blocks, of the reinforcing beams are fixedly connected with the ear plates, the support frame comprises two vertical beams, a plurality of cross beams are connected between the two vertical beams, four support rods are connected to the lower portion of the support frame, the lower portions of the four support rods are respectively inserted into the vertical beams, racks are arranged on the front sides of the support rods, a lifting motor frame is arranged, the middle part of the gear shaft is provided with a gear, the vertical beam is provided with an opening, the gear penetrates through the opening on the vertical beam to be meshed with the rack, a moving block is arranged in the supporting frame in a sliding manner, the right side of the supporting frame is provided with a lead screw motor seat, the upper part of the lead screw motor seat is provided with a lead screw motor, the moving block is provided with a threaded hole along the length direction of the supporting frame, a lead screw is arranged in the threaded hole, one end of the lead screw is connected with an output shaft of the lead screw motor, the upper part of the moving block is connected with a supporting plate, the upper part of the supporting plate is provided with a circle of guardrails, the foot supporting unit comprises a mounting plate fixed on the vertical beam, the front side of the mounting plate is sequentially provided with a first rotating seat, a second rotating seat and a third rotating seat from top to bottom, rotating shafts are rotatably arranged on, the foot supporting plate is connected between the first reinforcing plate and the second reinforcing plate, a shock absorption block is arranged at the lower part of the foot supporting plate, clamping holes are formed in the foot supporting plate, a first clamping block and a second clamping block are respectively arranged at the positions, located on the left side and the right side of the rotating shaft, of the front side of the mounting plate, clamping grooves are formed in the first clamping block and the second clamping block, the height of each clamping groove in the first clamping block is higher than that of each clamping groove in the second clamping block, a spring is sleeved on the rotating shaft and located between the second rotating seat and the first reinforcing plate, and when the foot supporting plate rotates by taking the rotating shaft as a shaft, the clamping holes can be clamped into the clamping grooves of the first clamping block or the second clamping block for fixation; the anti-falling mechanism is arranged on the vertical beam and comprises a supporting shell, the supporting shell is fixed on one side, opposite to the gear, of the vertical beam, the cross section of the supporting shell is U-shaped, a first fixing shaft and a second fixing shaft are fixedly connected in the supporting shell, the first fixing shaft is positioned above the second fixing shaft, a first sleeve is sleeved on the first fixing shaft, a mandril is fixed on the first sleeve, the lower portion of the mandril is connected with a first tension spring, a fixing seat is fixed on the right side wall of the supporting shell and is L-shaped, one end, far away from the mandril, of the first tension spring is connected with a horizontal section of the fixing seat, a first stop block is arranged at a position below the first sleeve in the supporting shell, a second sleeve is sleeved on the second fixing shaft, a brake block is fixed on the second sleeve, and two connecting plates are fixedly connected at positions, lower portion of the brake block, on the second sleeve, two it is provided with the activation piece to rotate between the connecting plate, the position that is located second sleeve below in the support shell is equipped with the second dog, be connected with the second extension spring between the vertical section of brake pads and fixing base.
2. The lifting scaffold with the anti-falling function according to claim 1, characterized in that: the blind hole has been seted up on brake pads upper portion, be equipped with the movable block in the blind hole, the spacing groove has been seted up to the position that lies in the spacing groove both sides in the brake block, the movable block left and right sides all is connected with the pterygoid lamina, the pterygoid lamina slides and sets up at the spacing inslot, be connected with reset spring between movable block bottom and the blind hole bottom, the blind hole bottom is equipped with micro-gap switch, the movable block bottom is equipped with the lug, micro-gap switch's contact position is put correspondingly with lug central point, it has the telescopic pump to articulate between ejector pin and the support shell, micro-gap switch.
3. The lifting scaffold with the anti-falling function according to claim 1 or 2, characterized in that: the utility model discloses a support frame, including support frame, walking unit, link, embedded groove, link sub-unit, link card and connecting beam, the link is provided with two removal wheel seats, it is provided with the removal wheel to rotate in the removal wheel seat, the embedded groove has been seted up on the perpendicular roof beam, embedded groove sub-unit connection has the spout, the slider passes embedded groove card and goes into in the perpendicular roof beam, the link can remove along the spout, erect the position that lies in the spout left and right sides on the roof beam and seted up two regulation holes, two the vertical setting of regulation hole is just parallel to each other, it has fixing bolt to twist on the regulation hole, be equipped with the fixed orifices on the slider, the fixing bolt front end passes behind the fixed orifices on the slider and the inner wall butt of erecting the roof beam.
4. The lifting scaffold with the anti-falling function according to claim 1, characterized in that: two guide grooves are formed in the supporting frame along the length direction, a plurality of idler wheels are arranged on the lower portion of the supporting plate, and the lower portions of the idler wheels are located in the guide grooves.
Technical Field
The invention relates to the technical field of auxiliary tools for buildings, in particular to a lifting scaffold with an anti-falling function.
Background
The scaffold is various supports which are erected for workers to operate and solve vertical and horizontal transportation on a construction site, is usually applied to places which cannot be directly constructed on an outer wall, interior decoration or a high floor height on a construction site, and is mainly used for up-and-down operation of constructors or enclosure of a peripheral safety net, high-altitude installation components and the like. The lifting scaffold is suspended at the lower part after rising, so that the falling danger is caused. For safety reasons, the lifting scaffold must then be fitted with a safety brake.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a lifting scaffold with an anti-falling function.
In order to achieve the purpose, the invention provides the following technical scheme to realize the purpose:
a lifting scaffold with an anti-falling function comprises a support frame, support frames, support plates and connecting blocks, wherein the support frame is provided with two groups, the support frames are arranged above the support frame, the support plates are arranged on the upper portion of the support frame, foot supporting units are arranged on the outer side of the lower portion of the support frame, a plurality of reinforcing beams are connected to the left side and the right side of each connecting block, ear plates are arranged on the inner sides of the support frames, one ends, away from the connecting blocks, of the reinforcing beams are fixedly connected with the ear plates, the support frame comprises two vertical beams, a plurality of cross beams are connected between the two vertical beams, four support rods are connected to the lower portion of the support frame, the lower portions of the four support rods are respectively inserted into the vertical beams, racks are arranged on the front sides of the support rods, a lifting motor frame is arranged, the middle part of the gear shaft is provided with a gear, the vertical beam is provided with an opening, the gear penetrates through the opening on the vertical beam to be meshed with the rack, a moving block is arranged in the supporting frame in a sliding manner, the right side of the supporting frame is provided with a lead screw motor seat, the upper part of the lead screw motor seat is provided with a lead screw motor, the moving block is provided with a threaded hole along the length direction of the supporting frame, a lead screw is arranged in the threaded hole, one end of the lead screw is connected with an output shaft of the lead screw motor, the upper part of the moving block is connected with a supporting plate, the upper part of the supporting plate is provided with a circle of guardrails, the foot supporting unit comprises a mounting plate fixed on the vertical beam, the front side of the mounting plate is sequentially provided with a first rotating seat, a second rotating seat and a third rotating seat from top to bottom, rotating shafts are rotatably arranged on, the foot supporting plate is connected between the first reinforcing plate and the second reinforcing plate, a shock absorption block is arranged at the lower part of the foot supporting plate, clamping holes are formed in the foot supporting plate, a first clamping block and a second clamping block are respectively arranged at the positions, located on the left side and the right side of the rotating shaft, of the front side of the mounting plate, clamping grooves are formed in the first clamping block and the second clamping block, the height of each clamping groove in the first clamping block is higher than that of each clamping groove in the second clamping block, a spring is sleeved on the rotating shaft and located between the second rotating seat and the first reinforcing plate, and when the foot supporting plate rotates by taking the rotating shaft as a shaft, the clamping holes can be clamped into the clamping grooves of the first clamping block or the second clamping block for fixation; the anti-falling mechanism is arranged on the vertical beam and comprises a supporting shell, the supporting shell is fixed on one side, opposite to the gear, of the vertical beam, the cross section of the supporting shell is U-shaped, a first fixing shaft and a second fixing shaft are fixedly connected in the supporting shell, the first fixing shaft is positioned above the second fixing shaft, a first sleeve is sleeved on the first fixing shaft, a mandril is fixed on the first sleeve, the lower portion of the mandril is connected with a first tension spring, a fixing seat is fixed on the right side wall of the supporting shell and is L-shaped, one end, far away from the mandril, of the first tension spring is connected with a horizontal section of the fixing seat, a first stop block is arranged at a position below the first sleeve in the supporting shell, a second sleeve is sleeved on the second fixing shaft, a brake block is fixed on the second sleeve, and two connecting plates are fixedly connected at positions, lower portion of the brake block, on the second sleeve, an activating block is rotatably arranged between the two connecting plates, and a second stop block is arranged at the position below the second sleeve in the supporting shell.
As preferred, the blind hole has been seted up on brake pads upper portion, be equipped with the movable block in the blind hole, the spacing groove has been seted up to the position that lies in the spacing groove both sides in the brake block, the movable block left and right sides all is connected with the pterygoid lamina, the pterygoid lamina slides and sets up at the spacing inslot, be connected with reset spring between movable block bottom and the blind hole bottom, the blind hole bottom is equipped with micro-gap switch, the movable block bottom is equipped with the lug, micro-gap switch's contact position is corresponding with lug central point, it has the telescopic pump to articulate between ejector pin and the support shell, micro-gap switch and.
As preferred, support frame lower part inboard is equipped with the walking unit, the walking unit includes the slider, the slider front side is connected with the link, the link sub-unit connection has the tie-beam, the tie-beam lower part is rotated and is provided with two and removes the wheel seat, it is provided with the removal wheel to rotate in the removal wheel seat, the embedded groove has been seted up on the perpendicular roof beam, the embedded groove sub-unit connection has the spout, the slider passes embedded groove card and goes into in erecting the roof beam, the link can remove along the spout, erect the position that is located the spout left and right sides on the roof beam and seted up two regulation holes, two the vertical setting of regulation hole is just parallel to each other, it has fixing bolt to twist on the regulation hole, be equipped with the fixed orifices on the slider, the fixing bolt front end passes behind the fixed orifices on the slider.
Preferably, two guide grooves are formed in the supporting frame along the length direction, a plurality of rollers are arranged on the lower portion of the supporting plate, and the lower portions of the rollers are located in the guide grooves.
Compared with the prior art, the invention has the beneficial effects that: the anti-falling mechanism is used for supporting the supporting rod when the lifting scaffold falls, and a double anti-falling design is adopted, so that the falling accident of the lifting scaffold when one anti-falling device fails is prevented; be provided with the heel brace unit, can open when the ground unevenness and use, the heel brace can stride across the regional and the subaerial smooth regional contact of subaerial unevenness, makes the bottom of scaffold keep the parallel and level everywhere, guarantees the stability when scaffold uses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a schematic structural view of the fall arrest mechanism of the present invention;
FIG. 4 is an enlarged schematic view at B of FIG. 3;
FIG. 5 is an enlarged schematic view at C of FIG. 3;
FIG. 6 is a schematic view of the brake pad of the present invention;
FIG. 7 is a side view of the present invention at the support stand;
FIG. 8 is a schematic structural view of a walking unit according to the present invention;
FIG. 9 is a schematic structural view of a foot supporting unit according to the present invention;
FIG. 10 is a top view of the support frame of the present invention;
fig. 11 is a top view of the present invention.
Reference numerals: 1. a support frame; 2. a support frame; 3. a support plate; 4. a guardrail; 5. a roller; 6. a traveling unit; 7. a foot support unit; 8. connecting blocks; 9. an ear plate; 10. a reinforcing beam; 11. a guide groove; 12. a moving block; 13. a screw rod; 14. a screw motor base; 15. a screw motor; 16. erecting a beam; 17. a cross beam; 18. a support bar; 19. a rack; 20. a lifting motor frame; 21. a lifting motor; 22. a gear shaft; 23. a gear; 24. an anti-falling mechanism; 25. a support housing; 26. a first fixed shaft; 27. a first sleeve; 28. a top rod; 29. a first tension spring; 30. a fixed seat; 31. a second fixed shaft; 32. a second sleeve; 33. anti-falling teeth; 34. a clamping hole; 35. a groove is embedded; 36. a chute; 37. an adjustment hole; 38. a slider; 39. a connecting frame; 40. a connecting beam; 41. moving the wheel seat; 42. a moving wheel; 43. fixing the bolt; 44. mounting a plate; 45. a first rotating base; 46. a second rotating base; 47. a third rotating base; 48. a rotating shaft; 49. a first clamping block; 50. a second clamping block; 51. a clamping groove; 52. a first reinforcing plate; 53. a second reinforcing plate; 54. a foot supporting plate; 55. a damper block; 56. a spring; 57. a brake pad; 58. a second tension spring; 59. a connecting plate; 60. activating a block; 61. a second stopper; 62. a first hinge mount; 63. a telescopic pump; 64. a second hinge mount; 65. blind holes; 66. a movable block; 67. a limiting groove; 68. a wing plate; 69. a return spring; 70. a bump; 71. a microswitch; 72. a first stop.
Detailed Description
The lifting scaffold with the anti-falling function of the invention will be further described with reference to the attached drawings 1-11.
The utility model provides a lifting scaffold who prevents weighing down function in area, including
The
The 2 sub-unit connection of carriage has four bracing
The foot supporting unit 7 comprises a mounting plate 44 fixed on the vertical beam 16, a first rotating seat 45, a second rotating seat 46 and a third rotating seat 47 are sequentially arranged on the front side of the mounting plate 44 from top to bottom, a rotating shaft 48 is rotatably arranged on the first rotating seat 45, the second rotating seat 46 and the third rotating seat 47, a first reinforcing plate 52 and a second reinforcing plate 53 are respectively fixed on the upper portion and the lower portion of the rotating shaft 48, a foot supporting plate 54 is connected between the first reinforcing plate 52 and the second reinforcing plate 53, a shock absorption block 55 is arranged on the lower portion of the foot supporting plate 54, a clamping hole 34 is arranged on the foot supporting plate 54, a first clamping block 49 and a second clamping block 50 are respectively arranged on the left side and the right side of the rotating shaft 48 on the front side of the mounting plate 44, clamping grooves 51 are respectively arranged on the first clamping block 49 and the second clamping block 50, the clamping grooves 51 on the first clamping block 49 are higher than the clamping grooves 51 on the second clamping block 50, a spring 56 is sleeved on the rotating, the spring 56 is located between the second rotating seat 46 and the first reinforcing plate 52. When the
The walking unit 6 comprises a sliding block 38, a connecting frame 39 is connected to the front side of the sliding block 38, a connecting beam 40 is connected to the lower portion of the connecting frame 39, two movable wheel seats 41 are rotatably arranged on the lower portion of the connecting beam 40, movable wheels 42 are rotatably arranged in the movable wheel seats 41, embedded grooves 35 are formed in the
The anti-falling mechanism comprises a supporting
The activating block 60 is provided with a limiting part with a rounded upper part and a right-angle lower part at one end close to the second sleeve 32; through the rounding and the arrangement of the limiting part, when one end of the activating block 60, which is far away from the connecting plate 59, rotates upwards, the activating block 60 and the connecting plate 59 rotate relatively, so that the activating block 60 is kept in a vertical state, namely the activating block 60 is in an unexcited state, and the anti-falling teeth 33 cannot contact with the activating block 60 when moving downwards; when the limiting part abuts against the second sleeve 32, the activating block 60 is in a horizontal state, when the anti-falling teeth 33 move downwards to contact with the activating block 60, and the activating block 60 is driven to rotate downwards from the horizontal state, because the limiting part abuts against the second sleeve 32, the activating block 60 drives the connecting plate 59 and the second sleeve 32 to rotate together, so that the upper end of the brake block 57 moves towards the direction close to the anti-falling teeth 33, the brake block 57 stops abutting against the second stop block 61, and at the moment, the brake block 57 can be clamped into the lower part of the anti-falling teeth 33 to be supported. The end of the activating
The
When the
The left side and the right side of the connecting block 8 are both connected with a plurality of reinforcing
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
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