Connecting device for connecting rod piece and steel support of pedestrian ladder stand
Through the F-shaped snap structure and fixing bolt assembly, the complex and dangerous problems of traditional welded fixing ladders are solved, and the stable connection of steel brackets is achieved is achieved, the ladder installation and removal process is simplified, and construction safety and convenience are improved.
Patent Information
- Application Number
- CN202420903544.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-28
AI Technical Summary
In the construction of steel box girder bridges, the traditional method of welding fixing ladders is not only complex and dangerous, but also easily damages the steel brackets. The difficulty of high-altitude welding is increased, and the ladders need to be welded and cut when dismantling, which is complicated.
The F-shaped snap structure is adopted, and the F-shaped snap composed of the limiting plate and the connecting plate is combined with the steel bracket fixing bolts and the connecting rod fixing bolt components to achieve a stable connection between the connecting rod and the steel bracket, avoid welding and facilitate disassembly. Pack.
It realizes that the ladder and steel bracket can be firmly connected without welding, reduces welding operations, reduces the risk of damage to steel brackets, simplifies processes, and improves safety and convenience.
Smart Images
Figure CN222296116U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ladder erection and installation, in particular to a connecting device for a connecting rod of a pedestrian ladder and a steel bracket. Background Art
[0002] In the construction of steel box girder bridges, the segmented lifting method is mostly adopted. The steel box girder segments are supported by temporary steel piers and welded for construction. After the temporary steel support is erected, the ladder needs to be set up to facilitate the technical workers to go up and down. When the ladder is erected, in order to ensure the stability of the ladder, the ladder needs to be connected to the steel support through connecting rods. The traditional method is to connect the connecting rods to the steel support by welding to fix the ladder. The construction of steel box girder bridges belongs to high-altitude operations, and the ladder is also erected at high altitude. The higher the height, the more difficult it is to weld at high altitude. Moreover, after the ladder is used, it needs to be dismantled by welding, which is easy to damage the steel support structure. The process is complicated and dangerous. Therefore, it is necessary to set up a connection method that is not easy to damage the steel support to connect the connecting rods of the pedestrian ladder to the steel support. Summary of the invention
[0003] The utility model aims to provide a connecting device for a connecting rod of a pedestrian ladder and a steel bracket. The connecting device for the connecting rod of the pedestrian ladder and the steel bracket has a simple structure, and the connecting rod and the steel bracket can be firmly connected without welding. The connection and disassembly of the connecting rod and the steel bracket are convenient, and the steel bracket is not easily damaged.
[0004] In order to achieve the purpose of this utility model, the technical solution adopted is:
[0005] A connecting device for a connecting rod of a pedestrian ladder and a steel support, comprising an F-shaped buckle, wherein the F-shaped buckle is composed of a limit plate 1 and a connecting plate connected with a limit plate 2, the limit plate 1 and the limit plate 2 are two transverse plates of the F-shaped buckle, one end of the limit plate 1 and the limit plate 2 is connected to the connecting plate, and the other end of the limit plate 1 and the limit plate 2 is respectively provided with a coaxial steel support fixing bolt mounting hole, a steel support fixing bolt assembly is installed in the steel support fixing bolt mounting hole, the space enclosed by the limit plate 1, the limit plate 2, the connecting plate and the steel support fixing bolt assembly is used to fix the steel support, a connecting rod fixing bolt mounting hole is provided on the connecting plate, and a connecting rod fixing bolt assembly for connecting with the connecting rod is installed in the connecting rod fixing bolt mounting hole. The limiting plate 1 and the connecting plate are two sides of an L-shaped plate bent from a steel plate. The limiting plate 2 is arranged parallel to the limiting plate 1, and one end of the limiting plate 2 is welded to the connecting plate. Alternatively, independent limiting plate 1 and limiting plate 2 can be used, and the limiting plate 1 and limiting plate 2 are arranged in parallel, and one end of each is welded to the connecting plate.
[0006] Further preferred: the steel bracket fixing bolt assembly includes a steel bracket fixing bolt, a steel bracket fixing gasket and a steel bracket fixing nut. After the steel bracket fixing bolt passes through the steel bracket fixing bolt mounting holes on the limit plate one and the limit plate two in turn, the steel bracket fixing gasket and the steel bracket fixing nut are installed on the steel bracket fixing bolt and locked.
[0007] Further preferred: the connecting rod fixing bolt assembly includes a connecting rod fixing bolt, a connecting rod fixing gasket and a connecting rod fixing nut. After the connecting rod fixing bolt passes through the connecting rod fixing bolt mounting hole and the connecting hole of the connecting rod, the connecting rod fixing gasket and the connecting rod fixing nut are installed on the connecting rod fixing bolt and locked.
[0008] Further preferably, the connecting rod member comprises a connecting rod, one end of which is connected and fixed with a connecting ear, the connecting ear is provided with a connecting hole for connecting to the connecting rod member fixing bolt assembly, and the other end of the connecting rod is connected to the pedestrian ladder.
[0009] The connecting device of the connecting rod and the steel support of the personal ladder has a simple structure. The connecting rod is connected by a connecting rod fixing bolt assembly and a connecting plate with an F-shaped buckle. After the limit plate 1 and the limit plate 2 with the F-shaped buckle are inserted into the steel support, the limit plate 1 and the limit plate 2 are connected by the steel support fixing bolt assembly, and the steel support is limited and fixed in the space surrounded by the limit plate 1, the limit plate 2, the connecting plate and the steel support fixing bolt assembly, so that the connecting rod and the steel support can be firmly connected without welding. The connection and disassembly of the connecting rod and the steel support are convenient, welding work is reduced, and the steel support is not easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 A schematic diagram of the connection structure of the connecting rod of the personal ladder and the connecting device of the steel support;
[0011] Figure 2 This is a schematic diagram of the exploded structure of the connecting rod of the personal ladder and the connecting device of the steel support;
[0012] The names corresponding to the numbers in the figure are:
[0013] 1. Steel bracket; 2. F-shaped buckle; 3. Connecting rod fixing bolt assembly; 4. Connecting rod; 5. Steel bracket fixing bolt assembly; 6. Steel bracket fixing bolt; 7. Steel bracket fixing bolt mounting hole; 8. Limiting plate 1; 9. Connecting plate; 10. Connecting rod fixing bolt mounting hole; 11. Connecting rod fixing gasket; 12. Connecting rod fixing nut; 13. Connecting rod fixing bolt; 14. Connecting hole; 15. Connecting ear; 16. Connecting rod; 17. Limiting plate 2; 18. Steel bracket fixing nut; 19. Steel bracket fixing gasket. DETAILED DESCRIPTION
[0014] In order to make the technical solution and advantages of the present application more clear, the technical solution is clearly and completely described below in conjunction with embodiments. Example
[0015] A connecting device for a connecting rod of a pedestrian ladder and a steel support, comprising an F-shaped buckle 2, wherein the F-shaped buckle 2 is composed of a limit plate 1 8 and a connecting plate 9 connected with a limit plate 2 17, wherein the limit plate 1 8 and the limit plate 2 17 are two transverse plates of the F-shaped buckle 2, one end of the limit plate 1 8 and the limit plate 2 17 are connected to the connecting plate 9, and the other ends of the limit plate 1 8 and the limit plate 2 17 are respectively provided with a coaxial steel support fixing bolt mounting hole 7, in which a steel support fixing bolt assembly 5 is installed, and a space enclosed by the limit plate 1 8, the limit plate 2 17, the connecting plate 9 and the steel support fixing bolt assembly 5 is used to fix the steel support 1, and a connecting rod fixing bolt mounting hole 10 is provided on the connecting plate 9, in which a connecting rod fixing bolt assembly 3 for connecting with the connecting rod 4 is installed. The limiting plate 1 8 and the connecting plate 9 are two sides of an L-shaped plate bent from a steel plate. The limiting plate 2 17 is arranged parallel to the limiting plate 1 8 , and one end of the limiting plate 2 17 is welded to the connecting plate 9 .
[0016] The steel bracket fixing bolt assembly 5 includes a steel bracket fixing bolt 6, a steel bracket fixing gasket 19 and a steel bracket fixing nut 18. After the steel bracket fixing bolt 6 passes through the steel bracket fixing bolt mounting holes 7 on the limit plate 1 8 and the limit plate 2 17 in turn, the steel bracket fixing gasket 19 and the steel bracket fixing nut 18 are installed on the steel bracket fixing bolt 6 and locked.
[0017] The connecting rod fixing bolt assembly 3 includes a connecting rod fixing bolt 13, a connecting rod fixing gasket 11 and a connecting rod fixing nut 12. After the connecting rod fixing bolt 13 passes through the connecting rod fixing bolt mounting hole 10 and the connecting hole 14 of the connecting rod 4, the connecting rod fixing gasket 11 and the connecting rod fixing nut 12 are installed on the connecting rod fixing bolt 13 and locked.
[0018] The connecting rod 4 includes a connecting rod 16, one end of which is connected and fixed with a connecting ear 15, and the connecting ear 15 is provided with a connecting hole 14 for connecting with the connecting rod fixing bolt assembly 3, and the other end of the connecting rod 16 is connected to the pedestrian ladder.
[0019] The construction process of the connecting rod of the pedestrian ladder and the connecting device of the steel support is as follows: according to the design dimensions, complete the processing of all structural components and transport them to the construction site; after determining the position of the pedestrian ladder on the site, connect the components of the pedestrian ladder according to the structural diagram, and wait for the pedestrian ladder to be installed to a certain height, start to arrange the F-shaped buckles 2 with the steel support 1 at intervals, and temporarily lay a platform between the pedestrian ladder and the steel support, such as a galvanized pedal as a temporary working platform for tightening bolts, and place the F-shaped buckle 2 on the steel support 1, install the steel support fixing bolt assembly 5, and connect and lock the F-shaped buckle 2 to the steel support 1, that is, after inserting the steel support 1 between the limit plate 1 8 and the limit plate 2 17, use the steel support fixing bolt 6 to pass through the steel support fixing bolt mounting hole 7 of the limit plate 1 8 and the limit plate 2 17, and then install the steel support fixing gasket 19 and the steel support fixing nut 18 on the steel support fixing bolt 6, so that the F-shaped buckle 1 can be connected and fixed to the steel support 1. Finally, the connecting rod 4 is connected to the F-shaped buckle 2 through the connecting rod fixing bolt assembly 3 to complete the installation of the entire connecting device, that is, the connecting hole 14 on the connecting ear 15 of the connecting rod 4 is aligned with the connecting rod fixing bolt installation hole 10, and then the connecting rod fixing bolt 13 is inserted, and then the connecting rod fixing gasket 11 and the connecting rod fixing nut 12 are installed on the connecting rod fixing bolt 13 and locked, so that the F-shaped buckle 2 and the connecting rod 4 can be fixedly connected.
[0020] The above description is not a limitation of the present application, and the present application is not limited to the above examples. Any changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present application should fall within the scope of protection of the present application.
Claims
1. A connecting device for connecting rods and steel brackets of a pedestrian ladder, characterized in that: The invention comprises an F-shaped buckle (2), wherein the F-shaped buckle (2) is composed of a limit plate 1 (8) and a connecting plate (9) connected with a limit plate 2 (17), wherein the limit plate 1 (8) and the limit plate 2 (17) are two transverse plates of the F-shaped buckle (2), one end of the limit plate 1 (8) and the limit plate 2 (17) are connected with the connecting plate (9), and the other end of the limit plate 1 (8) and the limit plate 2 (17) are respectively provided with a coaxial steel support fixing bolt mounting hole (7), and a steel support fixing bolt assembly (5) is installed in the steel support fixing bolt mounting hole (7), and a space enclosed by the limit plate 1 (8), the limit plate 2 (17), the connecting plate (9) and the steel support fixing bolt assembly (5) is used to fix the steel support (1), and a connecting rod fixing bolt mounting hole (10) is provided on the connecting plate (9), and a connecting rod fixing bolt assembly (3) for connecting with a connecting rod (4) is installed in the connecting rod fixing bolt mounting hole (10).
2. The connecting device of the connecting rod and the steel support of the pedestrian ladder according to claim 1 is characterized in that: The steel bracket fixing bolt assembly (5) comprises a steel bracket fixing bolt (6), a steel bracket fixing gasket (19) and a steel bracket fixing nut (18). After the steel bracket fixing bolt (6) passes through the steel bracket fixing bolt mounting holes (7) on the limiting plate 1 (8) and the limiting plate 2 (17) in sequence, the steel bracket fixing gasket (19) and the steel bracket fixing nut (18) are installed on the steel bracket fixing bolt (6) and locked.
3. The connecting device of the connecting rod and the steel support of the pedestrian ladder according to claim 1 is characterized in that: The connecting rod fixing bolt assembly (3) comprises a connecting rod fixing bolt (13), a connecting rod fixing gasket (11) and a connecting rod fixing nut (12). After the connecting rod fixing bolt (13) passes through the connecting rod fixing bolt mounting hole (10) and the connecting hole (14) of the connecting rod (4), the connecting rod fixing gasket (11) and the connecting rod fixing nut (12) are installed on the connecting rod fixing bolt (13) and locked.
4. The connecting device of the connecting rod and the steel support of the pedestrian ladder according to claim 1 or 3, characterized in that: The connecting rod (4) comprises a connecting rod (16), one end of which is fixedly connected to a connecting ear (15), and the connecting ear (15) is provided with a connecting hole (14) for connecting to the connecting rod fixing bolt assembly (3).