People climbing ladder device for steel structure column

By designing a ladder device for steel structure columns, the problem of the lack of a safe operating platform in steel structure construction is solved, providing a simple and convenient climbing tool, and improving construction safety and installation convenience.

CN224064277UActive Publication Date: 2026-03-31ROAD & BRIDGE INT CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The lack of a safe operating platform during the construction and installation of steel structure beams and columns poses significant safety risks to workers.

Method used

Design a ladder device for climbing steel structure columns, including a ladder body, support feet, protective rings, back plate and fastening bolts. The support feet and support columns are fixed to the steel structure columns. The protective rings provide safety protection, and the fall arrestor rings are used for personnel safety protection.

Benefits of technology

It provides a simple and convenient climbing tool, which improves construction safety and ease of installation, and ensures the safety of workers during the climbing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The climbing ladder device comprises a climbing ladder body, supporting legs, a protective ring, a back plate and a fastening bolt, the back side of the climbing ladder body is provided with a plurality of groups of supporting legs, the top end of the back side of the climbing ladder body is provided with a supporting column, the free end of the supporting column is provided with the back plate, the supporting column is further provided with a connecting plate, and the connecting plate is connected with the protective ring. The fastening bolt is arranged on the connecting plate in a penetrating mode and is in threaded connection with the connecting plate, the fastening bolt is located below the supporting column, one end of the fastening bolt can be close to or away from the back plate, and the length of the supporting column is larger than that of the supporting leg; a plurality of protective rings are arranged on the front side of the crawling ladder body, the protective rings are sequentially arranged at intervals from top to bottom, and the central axes of the protective rings extend in the length direction of the crawling ladder body. The climbing ladder device for the steel structure column can be used for climbing the steel structure column for construction operation, and has the advantages of being convenient to assemble and disassemble, high in using and installing performance and the like.
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Description

Technical Field

[0001] This utility model relates to the field of steel structure construction technology, specifically to a ladder device for climbing steel structure columns. Background Technology

[0002] During the construction and installation of steel structure beams and columns, considering the characteristics and costs of construction, scaffolding or other operating platforms are usually not used for construction and protection, posing significant safety risks to workers. Therefore, it is extremely important to provide a simple and convenient tool that enables workers to climb and work at heights. Utility Model Content

[0003] In order to solve one or more technical problems existing in the prior art, this utility model provides a ladder device for climbing steel structure columns.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A ladder device for climbing steel structure columns includes a ladder body, support feet, protective rings, a back plate, and fastening bolts. The back side of the ladder body is provided with multiple sets of support feet, and the top of the back side of the ladder body is provided with a support column. The free end of the support column is provided with a back plate, and a connecting plate is also provided on the support column. The fastening bolt passes through the connecting plate and is threadedly connected to the connecting plate. The fastening bolt is located below the support column and one end can be close to or away from the back plate. The length of the support column is greater than the length of the support feet. The front side of the ladder body is provided with multiple protective rings, which are arranged vertically at intervals. The central axis of the protective rings extends along the length direction of the ladder body.

[0005] The beneficial effects of this utility model are: This utility model is a ladder device for climbing steel structure columns, which can be used to climb steel structure columns for construction work. It has the characteristics of convenient installation and dismantling and high usability.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, both the support feet and the support columns are arranged perpendicular to the back side of the ladder body.

[0008] Furthermore, multiple sets of support legs are arranged at intervals along the length of the ladder body.

[0009] Furthermore, each set of support legs includes two support legs fixed to the back side of the ladder body at left and right intervals.

[0010] The beneficial effect of adopting the above-mentioned further solution is that each set of support legs includes two support legs, which makes the installation support effect of the ladder device for people to climb better.

[0011] Furthermore, the two support legs of each group are fixed to the left and right vertical bars of the ladder body, respectively.

[0012] Furthermore, two support columns are provided at the top rear side of the ladder body, and the two support columns are respectively fixed to the top of the left and right vertical rods of the ladder body; a first diagonal brace is provided between the support columns and the vertical rods of the ladder body.

[0013] The advantages of adopting the above-mentioned further solution are: by setting two support columns, it is convenient to make support connection with the top of the steel pipe column; the setting of the first diagonal brace can make the support column and the ladder body effectively and stably connected.

[0014] Furthermore, the free end of the support leg is provided with a support plate.

[0015] Furthermore, it also includes a reinforcing rod, which is arranged vertically and connects multiple protective rings in the vertical direction.

[0016] The beneficial effect of adopting the above-mentioned further solution is that by setting a reinforcing rod, multiple protective rings can be stably connected, resulting in better protective effect of the protective rings.

[0017] Furthermore, at least one reinforcing rod is provided on each of the left and right sides and the front side of the protective ring.

[0018] Furthermore, a reinforcing frame is provided at the top front side of the ladder body, and a fall arrestor ring is provided at the bottom center of the reinforcing frame. A second diagonal brace is provided between the reinforcing frame and the vertical bar of the ladder body.

[0019] The beneficial effect of adopting the above-mentioned further solution is that, by setting up a reinforcing frame and a fall arrestor ring, the fall arrestor can be suspended on the fall arrestor ring. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the ladder device for steel structure columns according to this utility model;

[0021] Figure 2 for Figure 1 Enlarged structural diagram of section A in the middle;

[0022] Figure 3 This is a side view of the ladder device for steel structure columns according to the present invention.

[0023] Figure 4 for Figure 3 Enlarged structural diagram of section B in the middle;

[0024] Figure 5 This is a three-dimensional structural diagram of the ladder device for steel structure columns according to the present invention in use.

[0025] Figure 6 for Figure 5 Enlarged structural diagram of section C;

[0026] Figure 7 This is a structural schematic diagram of the ladder device for steel structure columns according to the present invention, viewed from the front.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Ladder body; 11. Vertical bar; 12. Reinforcing frame; 13. Fall arrestor ring; 14. First diagonal brace; 15. Second diagonal brace; 16. Support column; 17. Back plate; 18. Connecting plate; 19. Fastening bolts;

[0029] 2. Supporting feet; 21. Supporting plate; 3. Protective ring; 31. Reinforcing rod; 4. Steel structure column. Detailed Implementation

[0030] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0031] like Figures 1 to 7 As shown, this embodiment of a ladder device for climbing steel structure columns 4 includes a ladder body 1, support feet 2, protective rings 3, a back plate 17, and fastening bolts 19. The back side of the ladder body 1 is provided with multiple sets of support feet 2, and the top of the back side of the ladder body 1 is provided with a support column 16. The free end of the support column 16 is provided with a back plate 17, and the support column 16 is also provided with a connecting plate 18. The fastening bolts 19 pass through the connecting plate 18 and are threadedly connected to the connecting plate 18. The fastening bolts 19 are located below the support column 16 and one end can be close to or away from the back plate 17. The length of the support column 16 is greater than the length of the support feet 2. The front side of the ladder body 1 is provided with multiple protective rings 3, which are arranged vertically at intervals. The central axis of the protective rings 3 extends along the length direction of the ladder body 1.

[0032] like Figure 1 , Figure 3 and Figure 5 As shown, in this embodiment, the support leg 2 and the support column 16 are both arranged perpendicular to the back side of the ladder body 1.

[0033] like Figure 1 , Figure 3 , Figure 5 and Figure 7 As shown, in this embodiment, multiple sets of support legs 2 are arranged at intervals along the length of the ladder body 1.

[0034] like Figure 1 , Figure 3 , Figure 5 and Figure 7 As shown, each set of support legs 2 in this embodiment includes two support legs 2 fixed to the back side of the ladder body 1 with a left-right interval. Each set of support legs includes two support legs, which makes the installation and support effect of the ladder device for people to climb better.

[0035] like Figure 1 , Figure 3 , Figure 5 and Figure 7 As shown, in this embodiment, the two support feet 2 of each group are respectively fixed on the left and right vertical rods 11 of the ladder body 1.

[0036] like Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, in a preferred embodiment, the top back of the ladder body 1 is provided with two support columns 16, which are respectively fixed to the tops of the left and right vertical rods 11 of the ladder body 1; a first diagonal brace 14 is provided between the support columns 16 and the vertical rods 11 of the ladder body 1. By providing two support columns, it is convenient to provide support connection with the top of the steel pipe column; the provision of the first diagonal brace can effectively and stably connect the support columns and the ladder body.

[0037] like Figure 1 , Figure 3 , Figure 5 and Figure 7 As shown, the free end of the support leg 2 in this embodiment is provided with a support plate 21.

[0038] like Figure 1 , Figure 3 , Figure 5 and Figure 7 As shown, the ladder device for climbing people in this embodiment also includes a reinforcing rod 31, which is arranged vertically and connects multiple protective rings 3 in the vertical direction. By setting the reinforcing rod, the multiple protective rings can be stably connected, making the protective effect of the protective rings better.

[0039] like Figure 1 , Figure 5 and Figure 7 As shown, in this embodiment, the protective ring 3 is provided with at least one reinforcing rod 31 on each of its left and right sides and front side.

[0040] like Figures 1-6As shown, the top front of the ladder body 1 in this embodiment is also provided with a reinforcing frame 12, and a fall arrestor ring 13 is provided at the bottom center of the reinforcing frame 12. A second diagonal brace 15 is provided between the reinforcing frame 12 and the vertical rod 11 of the ladder body 1. By setting the reinforcing frame and the fall arrestor ring, the fall arrestor can be suspended on the fall arrestor ring.

[0041] Preferred, such as Figure 1 As shown, the protective ring in this embodiment can adopt a circular or arc-shaped structure.

[0042] This embodiment describes a ladder device for accessing steel structure columns. When in use, if... Figure 5 and Figure 6 As shown, multiple support legs of the ladder device are placed against one side wall of the steel structure column 4. Then, the back plate 17 at the free end of the support column 16 is snapped onto the top of the side wall of the steel structure column 4, so that the back plate 17 and the connecting plate 18 are respectively positioned on both sides of the top of the side wall of the steel structure column 4. The fastening bolt 19 is located below the support column 16, and abuts against the outer side of the upper side wall of the steel structure column 4. Tightening the fastening bolt 19 clamps and fixes the top side wall of the steel structure column 4 between the fastening bolt 19 and the back plate 17. This ladder device prevents horizontal movement of the ladder during climbing and construction. The support legs ensure a certain distance between the ladder and the steel column, facilitating personnel movement. A fall arrestor ring is provided at the top of the ladder. The fall arrestor is installed on the ring. Before use, workers must wear safety belts and then attach the fall arrestor's safety hook to the safety belt. When the worker moves, the fall arrestor's wire rope will slowly extend and follow the worker's movement. If a worker falls accidentally at a high speed, the steel cable will be pulled out too quickly, causing the fall arrestor to lock rapidly, suspending the worker in mid-air and preventing them from falling and getting injured.

[0043] This embodiment is a ladder device for climbing steel structure columns. It can be used to climb steel structure columns for construction work and features convenient installation and dismantling, and high usability.

[0044] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0047] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0048] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0049] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A man-accessible ladder device for a steel structure column, characterized by, The ladder body is provided with a plurality of groups of supporting feet on the back side, and a plurality of supporting columns are arranged on the top end of the back side of the ladder body, and a back plate is arranged on the free end of the supporting column, and a connecting plate is further arranged on the supporting column, and a fastening bolt is arranged on the connecting plate and is in threaded connection with the connecting plate, and the fastening bolt is located below the supporting column and can be close to or away from the back plate at one end, and the length of the supporting column is greater than the length of the supporting foot; a plurality of protective rings are arranged on the front side of the ladder body, and the plurality of protective rings are arranged in sequence and are spaced apart in the up-down direction, and the central axis of the protective ring extends along the length direction of the ladder body.

2. The man-accessible ladder device for a steel structure column according to claim 1, wherein The supporting foot and the supporting column are arranged perpendicularly to the back side of the ladder body.

3. The man-accessible ladder device for a steel structure column according to claim 1, wherein A plurality of groups of supporting feet are arranged in sequence and are spaced apart in the length direction of the ladder body.

4. The man-accessible ladder assembly for a steel column according to claim 1, wherein, Each group of supporting feet includes two supporting feet which are fixed on the back side of the ladder body and are spaced apart left and right.

5. The man-accessible ladder assembly for a steel column according to claim 4, wherein, The two supporting feet of each group are respectively fixed on the two vertical rods of the ladder body left and right.

6. The man-accessible ladder assembly for a steel column according to claim 1, wherein, The back side top end of the ladder body is provided with two supporting columns, and the two supporting columns are respectively fixed on the top end of the two vertical rods of the ladder body; and a first inclined brace is arranged between the supporting column and the vertical rod of the ladder body.

7. The man-accessible ladder assembly for a steel column according to claim 1, wherein The free end of the supporting foot is provided with a supporting plate.

8. The man-accessible ladder assembly for a steel column according to claim 1, wherein, A reinforcing rod is further arranged, and the reinforcing rod is arranged vertically and connects the plurality of protective rings in the vertical direction.

9. The man-accessible ladder assembly for a steel column according to claim 8, wherein, At least one reinforcing rod is arranged on the left and right sides and the front side of the protective ring.

10. The man-accessible ladder assembly for a steel column according to claim 1, wherein, The front side top end of the ladder body is further provided with a reinforcing frame, and a fall arrest device lifting ring is arranged at the middle position of the bottom of the reinforcing frame; and a second inclined brace is arranged between the reinforcing frame and the vertical rod of the ladder body.