Hanging type steel structure installation and maintenance ladder
By designing hanging steel structure installation maintenance ladders and using hooks and limit plates to clamp steel structure components, the problem of unstable ladders and scaffolding in the renovation of dangerous houses is solved, and the stability and installation convenience of maintenance ladders are improved to ensure that security.
Patent Information
- Application Number
- CN202420937758.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-30
AI Technical Summary
During the renovation of dilapidated houses, the use of herringbone ladders is limited by height, and the installation and disassembly of scaffolding is cumbersome and unstable, which poses safety risks.
A hanging steel structure installation maintenance ladder is designed, including the main mechanism, limiting mechanism and support mechanism. The maintenance ladder is fixed to the steel structure component through hooks and fixing ropes, increasing stability and convenience, and passing through the limit panel Clamping the steel structural members with fastening bolts to ensure stability.
It improves the stability and installation convenience of the maintenance ladder, reduces safety hazards, and ensures the safety of staff during the renovation of dilapidated houses.
Smart Images

Figure CN222207745U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of installing and repairing ladders, in particular to a hanging type steel structure installing and repairing ladder. Background Art
[0002] Dangerous houses are houses whose structures are severely damaged or whose load-bearing components are dangerous. They may lose their structural stability and bearing capacity at any time and cannot guarantee the safety of living and use. The renovation of dangerous houses shall be carried out in accordance with the principle of meeting the basic needs of farmers, giving priority to the renovation of dangerous houses of the most difficult and needy people, based on the overall plan of rural dangerous house renovation projects.
[0003] In the process of renovating dilapidated buildings, stepladders and scaffolding are frequently used to facilitate the work of the staff. However, during use, the height limitation of the stepladder is infinitely magnified, and the shortcomings of the cumbersome installation and disassembly of the scaffolding are also exposed. Moreover, when the height of the scaffolding exceeds two floors, it will shake and is quite unstable, posing a great safety hazard. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a hanging steel structure installation maintenance ladder.
[0005] The utility model is implemented by the following technical scheme: a hanging steel structure installation maintenance ladder, comprising a main body mechanism, a limit mechanism and a support mechanism, wherein the limit mechanism is located at the front and rear sides of the main body mechanism, and the support mechanism is located inside the limit mechanism;
[0006] The main body structure includes a column, the top of the column is fixedly connected to a connecting rod, the bottom end of the connecting rod is fixedly connected to a reinforcing angle steel, the inner wall of the column is fixedly connected to a cross brace, the top of the cross brace is fixedly connected to an anti-slip pad, and the front and rear sides of the column are fixedly connected to hooks.
[0007] Through the above technical solution, the top hook of the maintenance ladder is hung on the existing steel structure member, and then the bottom cross brace is fixed to the wall purlin or steel column using a fixing rope, so that the position of the maintenance ladder can be fixed, thereby improving the stability of the maintenance ladder and the convenience of installation.
[0008] As a further improvement of the above solution, the number of the columns is four, the number of the connecting rods corresponds to the number of the columns, the cross-section of the reinforcing angle steel is L-shaped, and the reinforcing angle steel is located between the columns and the connecting rods.
[0009] As a further improvement of the above solution, the anti-slip pad is made of rubber material and the hook is of a U-shaped structure.
[0010] As a further improvement of the above scheme, the limiting mechanism includes a connecting plate, which is fixedly connected to the front and rear sides of the column, and the inner wall of the connecting plate is fixedly connected to a rotating rod, the surface of the rotating rod is rotatably connected to the limiting plate, and the middle part of the limiting plate is threadedly connected to a fastening bolt.
[0011] Through the above technical solution, the limit plate is rotated so that the top of the limit plate contacts the steel structure member, and the fastening bolt is rotated at the same time so that it passes through the limit plate and is connected to the connecting plate. The limit plate and the hook clamp the steel structure member to ensure stability during use.
[0012] As a further improvement of the above solution, the fastening bolt passes through the limiting plate and is threadedly connected to the connecting plate.
[0013] As a further improvement of the above scheme, the supporting mechanism includes a first connecting block, which is fixedly connected to the inner wall of the connecting plate, the middle part of the first connecting block is rotatably connected to the first rotating shaft, the surface of the first rotating shaft is rotatably connected to the first rotating plate, the middle part of the first rotating plate is rotatably connected to the movable joint, the surface of the movable joint is rotatably connected to the second rotating plate, the middle part of the second rotating plate is rotatably connected to the second rotating shaft, and the surface of the second rotating shaft is rotatably connected to the second connecting block.
[0014] As a further improvement of the above solution, the first rotating plate and the second rotating plate are located at the bottom end of the limiting plate, and the second connecting block is fixedly connected to the limiting plate.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] The utility model provides a hook, welds the connecting rod to the top of the column, and welds a reinforcing angle steel between the connecting rod and the column, thereby increasing the stability between the connecting rod and the column, and welds a plurality of cross braces between the four columns, so that the plurality of cross braces are arranged at equal intervals, and anti-skid pads are provided on the surfaces of the cross braces. When it is needed, firstly hang the top hook on the existing steel structure members such as purlins, steel columns, steel beams, etc., and then use a fixing rope to fix the bottom cross brace on the wall purlin or steel column, so that the position of the maintenance ladder can be fixed, thereby improving the stability of the maintenance ladder and the convenience of installation.
[0017] The utility model provides a limit plate, after the maintenance ladder is hung on the existing steel structure component by a hook, the limit plate is rotated so that the top of the limit plate contacts the steel structure component, and at the same time the first rotating plate and the second rotating plate are rotated through the movable joint and maintained in a straight line, so as to support the limit plate, and at the same time the fastening bolt is rotated to pass through the limit plate and connected to the connecting plate, the limit plate and the hook clamp the steel structure component to ensure stability during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;
[0020] Figure 3 This is a schematic diagram of the reinforced angle steel structure of the utility model;
[0021] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;
[0022] Figure 5 This is a schematic diagram of the support mechanism structure of the utility model.
[0023] Description of main symbols:
[0024] 1. Main body; 101. Column; 102. Connecting rod; 103. Reinforcement angle steel; 104. Cross brace; 105. Anti-skid pad; 106. Hook; 2. Limiting mechanism; 201. Connecting plate; 202. Rotating rod; 203. Limiting plate; 204. Fastening bolt; 3. Supporting mechanism; 301. First connecting block; 302. First rotating shaft; 303. First rotating plate; 304. Active joint; 305. Second rotating plate; 306. Second rotating shaft; 307. Second connecting block. DETAILED DESCRIPTION
[0025] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0026] Example:
[0027] Please combine Figure 1-5 , a hanging steel structure installation maintenance ladder of this embodiment includes a main body mechanism 1, a limiting mechanism 2 and a supporting mechanism 3, the limiting mechanism 2 is located at the front and rear sides of the main body mechanism 1, and the supporting mechanism 3 is located inside the limiting mechanism 2;
[0028] The main body mechanism 1 includes a column 101, the top of the column 101 is fixedly connected to a connecting rod 102, the bottom end of the connecting rod 102 is fixedly connected to a reinforcing angle steel 103, the inner wall of the column 101 is fixedly connected to a cross brace 104, the top of the cross brace 104 is fixedly connected to an anti-slip pad 105, and the front and rear sides of the column 101 are fixedly connected to hooks 106.
[0029] There are four columns 101 , and the number of connecting rods 102 corresponds to that of the columns 101 . The cross section of the reinforcing angle steel 103 is L-shaped, and the reinforcing angle steel 103 is located between the columns 101 and the connecting rods 102 .
[0030] The anti-skid pad 105 is made of rubber, and the hook 106 is of a U-shaped structure.
[0031] The limiting mechanism 2 includes a connecting plate 201, which is fixedly connected to the front and rear sides of the column 101. The inner wall of the connecting plate 201 is fixedly connected to a rotating rod 202. The surface of the rotating rod 202 is rotatably connected to a limiting plate 203. The middle part of the limiting plate 203 is threadedly connected to a fastening bolt 204.
[0032] The fastening bolt 204 passes through the limiting plate 203 and is threadedly connected to the connecting plate 201 .
[0033] The supporting mechanism 3 includes a first connecting block 301, which is fixedly connected to the inner wall of the connecting plate 201, the middle part of the first connecting block 301 is rotatably connected to the first rotating shaft 302, the surface of the first rotating shaft 302 is rotatably connected to the first rotating plate 303, the middle part of the first rotating plate 303 is rotatably connected to the movable joint 304, the surface of the movable joint 304 is rotatably connected to the second rotating plate 305, the middle part of the second rotating plate 305 is rotatably connected to the second rotating shaft 306, and the surface of the second rotating shaft 306 is rotatably connected to the second connecting block 307.
[0034] The first rotating plate 303 and the second rotating plate 305 are located at the bottom end of the limiting plate 203 , and the second connecting block 307 is fixedly connected to the limiting plate 203 .
[0035] The implementation principle of a hanging steel structure installation maintenance ladder in the embodiment of the present application is:
[0036] The connecting rod 102 is welded to the top of the column 101, and a reinforcing angle steel 103 is welded between the connecting rod 102 and the column 101 to increase the stability between the connecting rod 102 and the column 101. A plurality of cross braces 104 are respectively welded between the four columns 101, so that the multiple cross braces 104 are arranged at equal intervals, and a non-slip pad 105 is set on the surface of the cross brace 104. Before installing the ladder, the operator can initially tie the safety belt on the cross brace 104 of appropriate height. When the operator arrives at the working area, first hang the top hook 106 on the existing steel structure components such as purlins, steel columns, and steel beams, and then use The fixing rope fixes its bottom cross brace 104 to the wall purlin or steel column to fix the position of the maintenance ladder. At the same time, the limit plate 203 is rotated to make the top of the limit plate 203 contact the steel structure member. The first rotating plate 303 and the second rotating plate 305 are rotated through the movable joint 304 and maintained in a straight line, thereby supporting the limit plate 203. At the same time, the fastening bolt 204 is rotated to pass through the limit plate 203 and connect with the connecting plate 201. The limit plate 203 and the hook 106 clamp the steel structure member to ensure stability during use and prevent sliding. After adjusting the safety belt again, the installation and maintenance work can be carried out.
[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A hanging steel structure installation maintenance ladder, It is characterized in that It comprises a main body mechanism (1), a limiting mechanism (2) and a supporting mechanism (3), wherein the limiting mechanism (2) is located at the front and rear sides of the main body mechanism (1), and the supporting mechanism (3) is located inside the limiting mechanism (2); The main body structure (1) comprises a column (101), the top of the column (101) is fixedly connected to a connecting rod (102), the bottom end of the connecting rod (102) is fixedly connected to a reinforcing angle steel (103), the inner wall of the column (101) is fixedly connected to a cross brace (104), the top end of the cross brace (104) is fixedly connected to an anti-slip pad (105), and the front and rear sides of the column (101) are fixedly connected to hooks (106).
2. A hanging steel structure installation and maintenance ladder as claimed in claim 1, Features: The number of the upright posts (101) is four, the number of the connecting rods (102) and the upright posts (101) corresponds to each other, the cross-section of the reinforcing angle steel (103) is L-shaped, and the reinforcing angle steel (103) is located between the upright posts (101) and the connecting rods (102).
3. A hanging steel structure installation and maintenance ladder as claimed in claim 1, Features: The anti-slip pad (105) is made of rubber material, and the hook (106) is of a U-shaped structure.
4. A hanging steel structure installation and maintenance ladder as claimed in claim 1, Features: The limiting mechanism (2) comprises a connecting plate (201), the connecting plate (201) being fixedly connected to the front and rear sides of the column (101), the inner wall of the connecting plate (201) being fixedly connected to a rotating rod (202), the surface of the rotating rod (202) being rotatably connected to a limiting plate (203), and the middle part of the limiting plate (203) being threadedly connected to a fastening bolt (204).
5. A hanging steel structure installation and maintenance ladder as claimed in claim 4, Features: The fastening bolt (204) passes through the limiting plate (203) and is threadedly connected to the connecting plate (201).
6. A hanging steel structure installation and maintenance ladder as claimed in claim 1, Features: The support mechanism (3) comprises a first connecting block (301), the first connecting block (301) being fixedly connected to the inner wall of the connecting plate (201), the middle part of the first connecting block (301) being rotatably connected to a first rotating shaft (302), the surface of the first rotating shaft (302) being rotatably connected to a first rotating plate (303), the middle part of the first rotating plate (303) being rotatably connected to an active joint (304), the surface of the active joint (304) being rotatably connected to a second rotating plate (305), the middle part of the second rotating plate (305) being rotatably connected to a second rotating shaft (306), and the surface of the second rotating shaft (306) being rotatably connected to a second connecting block (307).
7. A hanging steel structure installation and maintenance ladder as claimed in claim 6, Features: The first rotating plate (303) and the second rotating plate (305) are located at the bottom end of the limiting plate (203), and the second connecting block (307) is fixedly connected to the limiting plate (203).
