CN219887953U - Temporary crawling ladder for building construction - Google Patents
Temporary crawling ladder for building construction Download PDFInfo
- Publication number
- CN219887953U CN219887953U CN202223343030.1U CN202223343030U CN219887953U CN 219887953 U CN219887953 U CN 219887953U CN 202223343030 U CN202223343030 U CN 202223343030U CN 219887953 U CN219887953 U CN 219887953U
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- ladder
- clamping
- main body
- building construction
- temporary
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- 238000009435 building construction Methods 0.000 title claims abstract description 22
- 230000009193 crawling Effects 0.000 title claims description 7
- 239000011324 bead Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 241000282326 Felis catus Species 0.000 abstract description 26
- 230000001681 protective effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model provides a temporary ladder for building construction, which comprises two groups of ladder main bodies, a plurality of guard rails and a plurality of supporting legs, wherein the upper ends of the two groups of ladder main bodies are mutually hinged, each ladder main body comprises a pair of supporting legs and a plurality of pedal rods, and the temporary ladder is characterized in that the guard rails are distributed along the length direction of the ladder main body, are arc-shaped, and the two ends of the guard rails are clamped on the outer side walls of the supporting legs so as to form a ladder passage with the ladder main body; the end part of each supporting leg is hinged with the inner side of the bottom end of the corresponding supporting leg, a rotating rod is arranged on each supporting leg, and a fixing clamping seat is arranged on each supporting leg; the support legs can be in the same straight line with the support legs after rotating downwards and are clamped into the fixing clamping seat through the rotating rod to be connected and fixed. On one hand, the guard rail convenient to install can support the back of a worker, so that the safety problem caused by the backward tilting of high-altitude operation is prevented; on the other hand, the purpose that the cat ladder was raised to rotation supporting leg can play fast and stably, and the design of buckle is when moving the cat ladder simultaneously, is difficult for strutting between the cat ladder main part.
Description
Technical Field
The utility model relates to a temporary cat ladder for a high building construction environment.
Background
With the development of economy, urban construction is carried out in all places, and when construction is needed to be carried out on the equal-height positions of bridges, workers need to use a ladder to climb to the high positions for construction;
the dual-purpose cat ladder of a push-pull of the publication No. CN213297796U, including two bilateral symmetry's cat ladder main bodies, namely first cat ladder main body and second cat ladder main body, and two cat ladder main body upper ends are articulated; each ladder stand main body comprises two parallel upper supporting legs and two parallel lower supporting legs, the upper supporting legs corresponding to each other up and down are hinged with the lower supporting legs, the lower supporting legs of the first ladder stand main body can rotate towards the inner side of the first ladder stand main body, and the lower supporting legs of the second ladder stand main body can rotate towards the outer side of the second ladder stand main body; a plurality of pedal rods are uniformly arranged between the two upper supporting legs of the same ladder stand main body; universal wheels are mounted on the outer side surfaces of the two upper supporting legs of the first crawling ladder main body. The beneficial effects are that: by adopting the cat ladder, the cat ladder can be folded quickly, so that the cat ladder can conveniently pass through narrow channels such as doors, and the restriction of indoor environment on the size of the cat ladder is avoided; meanwhile, the trolley can be converted into a trolley mode, so that articles can be conveniently transported, the trolley is dual-purpose, and the trolley is convenient to use.
The prior art scheme has the following problems when in use:
1. when the existing temporary cat ladder for urban high-rise building construction is used, no protective structure exists, so that the accident that workers lean backwards easily occurs when climbing is caused;
2. the height of the existing temporary ladder for urban high building construction cannot be adjusted, so that the use height range of the ladder is limited;
3. when the existing temporary ladder for urban high-rise building construction is folded, the temporary ladder cannot be fixed between the ladder, so that the bottom of the temporary ladder is easy to open when the temporary ladder is moved;
improvements to the above problems are needed to meet market demands.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a temporary crawling ladder with a protective structure and adjustable height range for building construction.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the temporary ladder for building construction comprises two groups of ladder main bodies, a plurality of guard rails and a plurality of supporting legs, wherein the upper ends of the two groups of ladder main bodies are mutually hinged, each ladder main body comprises a pair of supporting legs and a plurality of pedal rods, and the temporary ladder for building construction is characterized in that the guard rails are distributed along the length direction of the ladder main body, and are arc-shaped, and two ends of each guard rail are clamped on the outer side walls of the supporting legs so as to form a ladder passage with the ladder main body; the end part of each supporting leg is hinged with the inner side of the bottom end of the corresponding supporting leg, a rotating rod is arranged on each supporting leg, and a fixing clamping seat is arranged on each supporting leg; the supporting legs can be in the same straight line with the supporting legs after rotating downwards and are clamped into the fixing clamping seat through the rotating rod in a rotating mode to be connected and fixed.
Further, protruding blocks are arranged at two ends of the guard rail, and movable clamping beads are arranged in the protruding blocks; the support leg is provided with an installation cavity, and the inner wall of the installation cavity is provided with an arc-shaped clamping groove matched with the movable clamping bead; after the protruding block is arranged in the mounting cavity, the movable clamping beads can be ejected out through the through holes to be clamped into the arc-shaped clamping grooves.
Further, a limiting screw rod is further arranged on the protruding block, and a threaded hole communicated with the through hole is formed in the protruding block; the limiting screw rod is in threaded connection with the threaded hole, so that the rotating rear end enters the through hole to eject the movable clamping beads out of the through hole.
Further, a mounting lug is arranged at the end part of the guard rail and is integrally connected with the protruding block; the movable clamping beads are in a pair.
Further, a sliding block is arranged on the rotating rod, and an opening for clamping the rotating rod is arranged on the side surface of the fixed clamping seat; the surface of the sliding block is provided with a positioning clamping block, and the top surface of the fixing clamping seat is provided with a positioning clamping groove matched with the positioning clamping block.
Further, a limiting block is sleeved on the rotating rod, an external thread is arranged on the surface of the rotating rod, and an internal thread matched with the external thread is arranged inside the limiting block; the sliding block is limited to move between the limiting block and the rotating end of the rotating rod.
Further, the support legs are provided with fixed blocks, and the end parts of the movable rods are connected with the fixed blocks through rotating shafts.
Further, the cat ladder further comprises a buckle; one end of the buckle is fixed on the pedal rod at the lowest part of one ladder stand main body, and the opposite other end is provided with a telescopic clamping opening for connecting the pedal rod of the other ladder stand main body after the ladder stand is retracted.
Further, the buckle comprises two clamping blocks connected with each other through springs, and the clamping opening is formed between the clamping blocks.
Further, the clamping blocks are respectively a fixed clamping block integrated with the buckle main body and a movable clamping block movably connected with the buckle main body; the buckle is characterized in that a connecting through hole is formed in the buckle main body, a connecting rod penetrating through the connecting through hole is arranged at the end part of the movable clamping block, one end of the spring is fixed in the connecting through hole, and the other end of the spring is fixed at the end part of the connecting rod.
The technical scheme of the utility model aims at solving the problems of the existing temporary crawling ladder and improves the existing temporary crawling ladder. On one hand, the guard rail convenient to install can support the back of a worker, so that the safety problem caused by the backward tilting of high-altitude operation is prevented; on the other hand, the rotary supporting legs can quickly and stably play the purpose of lifting the ladder stand, and have good practicability for building construction environments such as bridges and the like; simultaneously, receive and release when folding between two sets of cat ladder main parts, through stirring the clamp splice, alright connect fixedly between the cat ladder main part to when moving the cat ladder, be difficult for propping up between the cat ladder main part, convenient transport.
Drawings
Fig. 1 is a schematic diagram of a front view structure of the present utility model.
Fig. 2 is a schematic diagram of a connection structure between a ladder stand body and an adjusting support leg according to the present utility model.
Fig. 3 is a schematic side view of the main body of the ladder stand of the present utility model.
Fig. 4 is a schematic cross-sectional view of a buckle according to the present utility model.
FIG. 5 is a schematic top view of a rail guard of the present utility model.
In the figure: 1. a ladder main body; 2. a first hinge; 3. a guard rail; 4. a mounting ear; 5. a protruding block; 6. a movable clamping bead; 7. a limit screw rod; 8. support legs; 9. a second hinge; 10. a fixing clamping seat; 11. a fixed block; 12. a rotating lever; 13. a rotating shaft; 14. a slide block; 15. a limiting block; 16. a buckle; 17. a spring; 18. a connecting rod; 19. a movable clamping block; 20. fixing the clamping blocks; 21. a mounting cavity; 22. an arc-shaped clamping groove; 23. a connecting through hole; 24. a connecting rod; 100. a support leg; 101. a pedal lever; 102. a support rod; 140. positioning a clamping block; 141. and positioning the clamping groove.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Reference is made to the accompanying drawings. The embodiment comprises two groups of ladder main bodies 1, buckles 16, a plurality of protective barriers 3 and a plurality of supporting legs 8. Each ladder main body 1 includes a pair of legs 100 and a plurality of foot bars 101 connected between the legs 100. The upper end of cat ladder main part 1 is through 2 swivelling joint of first hinge, is equipped with two tip swivelling joint's bracing piece 102 together in the middle for carry out angle fixation and play the effect that prevents to rock to cat ladder main part 1 after strutting.
The guard rails 3 are distributed along the length direction of the ladder main body 1. The guard rail 3 is arc-shaped, and two ends of the guard rail are clamped on the outer side walls of the supporting legs 100 to form a ladder stand channel with the ladder stand main body 1, so that potential safety hazards can not occur due to backward leaning when workers work at high positions. Mounting lugs 4 extend outwards from two ends of the guard rail 3, and a protruding block 5 is integrally connected to one side, facing the supporting leg 100, of the mounting lugs 4. The protruding block 5 is internally provided with a through hole, and a pair of movable clamping beads 6 are arranged in the through hole. In this embodiment, the bump 5 is cylindrical, and the diameter of the movable clip bead 6 is twice as large as that of the bump 5, so that the movable clip bead 6 is inside the bump 5 in a natural state. Of course, the protruding block 5 may be other cases, and it is sufficient that the protruding block 5 is located in the through hole in a natural state. The outer side wall of the supporting leg 100 is provided with a mounting cavity 21, and the shape, namely the size, of the mounting cavity 21 is the same as that of the protruding block 5. Thus, this embodiment is a cylindrical mounting cavity 21 having the same inner diameter as the boss 5. The inner wall of the mounting cavity 21 is also provided with a pair of arc-shaped clamping grooves 22 matched with the movable clamping beads 6. The inside through connection of installation ear 4 and protruding piece 5 has spacing lead screw 7, and spacing lead screw 7 and the screw hole screw thread fit of inside. The threaded hole is communicated with the through hole, so that the limiting screw rod 7 is rotated, the end part of the limiting screw rod 7 can move between the two movable clamping beads 6 in the through hole, and the movable clamping beads 6 are extruded out of the protruding block 5 and are embedded into the arc-shaped clamping groove 22, so that the fixation of the protective guard 3 is realized. In particular, in order to enhance the connection stability between the guard rails 3, a link 24 is connected between the upper and lower guard rails 3.
The number of the supporting legs 8 is four, and the end part of each supporting leg 8 is hinged with the inner side of the bottom end of the corresponding supporting leg 100 through a second hinge 9. The support leg 100 is provided with a fixed clamping seat 10, the support leg 8 is provided with a fixed block 11 and a rotating rod 12, one end of the rotating rod 12 is rotatably connected to the fixed block 11 through a rotating shaft 13, and the side surface of the fixed clamping seat 10 is provided with an opening for clamping the rotating rod 12. When the ladder stand is normally used, the supporting legs 8 are attached to the inner sides of the supporting legs 100 and are folded, when the height of the ladder stand needs to be increased, the supporting legs 8 are turned downwards to be in the same straight line with the connected supporting legs 100, and at the moment, the rotating rod 12 is rotated into the fixing clamping seat 10, so that the supporting legs 100 and the supporting legs 8 can be connected and fixed.
In order to further improve the fixing effect, the rotating rod 12 is provided with a sliding block 14, the surface of the sliding block 14 is provided with a positioning clamping block 140, and the top surface of the fixing clamping seat 10 is provided with a positioning clamping groove 141 matched with the positioning clamping block 140. In this embodiment, the positioning fixture 140 is cylindrical, and the cross section of the positioning fixture groove 141 is in a semicircular arc shape. A limiting block 15 is also sleeved on the rotating rod 12, an external thread is arranged on the surface of the rotating rod 12, and an internal thread matched with the external thread is arranged inside the limiting block 15; the slide 14 is constrained to move between the stop 15 and the rotating end of the rotating lever 12. When in use, after the rotating rod 12 is clamped into the fixed clamping seat 10, the sliding block 14 is moved to the positioning clamping block 140 to be clamped into the positioning clamping groove 141, and finally the limiting piece is moved to the sliding block 14 to enable the sliding block 14 to be pressed into the fixed clamping seat 10.
One end of the buckle 16 is fixed on the pedal rod 101 at the lowest part of one ladder stand body 1, and the opposite end is provided with a telescopic clamping opening formed by a pair of clamping blocks for connecting the pedal rod 101 of the other ladder stand body 1 after the ladder stand is retracted. Specifically, the clamping blocks are respectively a fixed clamping block 20 integrated with the main body of the buckle 16 and a movable clamping block 19 movably connected with the main body of the buckle 16; the buckle 16 is internally provided with a connecting through hole 23, the end part of the movable clamping block 19 is provided with a connecting rod 18 which is sleeved in the connecting through hole 23, one end of the spring 17 is fixed in the connecting through hole 23, the other end is fixed at the end part of the connecting rod 18, and the connecting rod 18 and the spring 17 are coaxially arranged. When folding is received and released between two sets of cat ladder main part 1, can stir movable clamp splice 19, make connecting rod 18 slide and extension connection spring 17 in the inside of connecting through-hole 23, again with fixed clamp splice 20 card on the pedal lever 101 on another set of cat ladder main part 1 to press from both sides tightly fixedly through the elasticity of connection spring 17, thereby when moving the cat ladder, just can not strut between two sets of cat ladder main part 1, in order to reach the purpose of fixing between two sets of cat ladder main part 1.
It should be noted that the foregoing describes embodiments of the present utility model. However, it will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, which are described merely to illustrate the principles of the utility model, and that various changes and modifications may be made therein without departing from the scope of the utility model as claimed.
Claims (10)
1. The temporary ladder for building construction comprises two groups of ladder main bodies, a plurality of guard rails and a plurality of supporting legs, wherein the upper ends of the two groups of ladder main bodies are mutually hinged, each ladder main body comprises a pair of supporting legs and a plurality of pedal rods, and the temporary ladder for building construction is characterized in that the guard rails are distributed along the length direction of the ladder main body, and are arc-shaped, and two ends of each guard rail are clamped on the outer side walls of the supporting legs so as to form a ladder passage with the ladder main body; the end part of each supporting leg is hinged with the inner side of the bottom end of the corresponding supporting leg, a rotating rod is arranged on each supporting leg, and a fixing clamping seat is arranged on each supporting leg; the supporting legs can be in the same straight line with the supporting legs after rotating downwards and are clamped into the fixing clamping seat through the rotating rod in a rotating mode to be connected and fixed.
2. The temporary ladder for building construction according to claim 1, wherein protruding blocks are arranged at two ends of the guard rail, and movable clamping beads are arranged in the protruding blocks; the support leg is provided with an installation cavity, and the inner wall of the installation cavity is provided with an arc-shaped clamping groove matched with the movable clamping bead; after the protruding block is arranged in the mounting cavity, the movable clamping beads can be ejected out through the through holes to be clamped into the arc-shaped clamping grooves.
3. The temporary crawling ladder for building construction according to claim 2, wherein the protruding block is further provided with a limit screw rod, and a threaded hole communicated with the through hole is formed in the protruding block; the limiting screw rod is in threaded connection with the threaded hole, so that the rotating rear end enters the through hole to eject the movable clamping beads out of the through hole.
4. A temporary ladder for building construction according to claim 3, wherein the end of the guard rail is provided with a mounting lug integrally connected with the boss; the movable clamping beads are in a pair.
5. The temporary ladder for building construction according to claim 1, wherein the rotating rod is provided with a sliding block, and the side surface of the fixed clamping seat is provided with an opening for clamping the rotating rod; the surface of the sliding block is provided with a positioning clamping block, and the top surface of the fixing clamping seat is provided with a positioning clamping groove matched with the positioning clamping block.
6. The temporary ladder for building construction according to claim 5, wherein a limiting block is further sleeved on the rotating rod, an external thread is arranged on the surface of the rotating rod, and an internal thread matched with the external thread is arranged inside the limiting block; the sliding block is limited to move between the limiting block and the rotating end of the rotating rod.
7. The temporary ladder for building construction according to claim 6, wherein the support legs are provided with fixing blocks, and the ends of the rotating rods are connected with the fixing blocks through rotating shafts.
8. A temporary ladder for building construction according to any one of claims 1-7, characterized in that said ladder further comprises a buckle; one end of the buckle is fixed on the pedal rod at the lowest part of one ladder stand main body, and the opposite other end is provided with a telescopic clamping opening for connecting the pedal rod of the other ladder stand main body after the ladder stand is retracted.
9. The temporary ladder for building construction according to claim 8, wherein said buckle comprises two spring-connected clamping blocks, and said clamping opening is formed between said clamping blocks.
10. The temporary ladder for building construction according to claim 9, wherein the clamping blocks are a fixed clamping block integrated with the buckle main body and a movable clamping block movably connected with the buckle main body respectively; the buckle is characterized in that a connecting through hole is formed in the buckle main body, a connecting rod penetrating through the connecting through hole is arranged at the end part of the movable clamping block, one end of the spring is fixed in the connecting through hole, and the other end of the spring is fixed at the end part of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223343030.1U CN219887953U (en) | 2022-12-12 | 2022-12-12 | Temporary crawling ladder for building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223343030.1U CN219887953U (en) | 2022-12-12 | 2022-12-12 | Temporary crawling ladder for building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219887953U true CN219887953U (en) | 2023-10-24 |
Family
ID=88404181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223343030.1U Active CN219887953U (en) | 2022-12-12 | 2022-12-12 | Temporary crawling ladder for building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219887953U (en) |
-
2022
- 2022-12-12 CN CN202223343030.1U patent/CN219887953U/en active Active
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