Bridge large maintenance cross road walking protection tool

Abstract

The utility model relates to bridge maintenance construction technical field discloses a kind of bridge large maintenance cross highway walking protection tool, including support rod, the top of support rod is provided with cross highway mechanism, the cross highway mechanism is used to support and protect, the bottom left and right sides of support rod are provided with fixed mechanism, the fixed mechanism is used to clamp, multiple the adjacent between support rod are provided with multiple connecting shafts, the top of connecting shaft is provided with support strengthening mechanism, the right side of support rod is provided with climbing mechanism.In the utility model, when moving to the road section needing maintenance construction, through the cooperation of handrail and staircase, construction personnel can climb the operation platform, at this time, the guardrail can provide safety guarantee for construction personnel, realize the construction maintenance under the condition of not affecting road use, and guarantee the role of construction personnel safety.

Description

Technical Field

[0001] This utility model relates to the field of bridge maintenance and construction technology, and in particular to a protective working device for large-scale bridge maintenance that crosses highways. Background Technology

[0002] Bridge maintenance spanning equipment is a key temporary facility ensuring the safety and efficiency of bridge maintenance operations. It is primarily used to span obstacles such as roads, rivers, and railways beneath bridges, providing a stable working platform for maintenance personnel and equipment. Typically employing a modular design, it can be flexibly assembled according to the bridge structure and site environment. It can withstand construction loads while avoiding interference with traffic and shipping below, significantly reducing the traffic disruption caused by traditional closed construction. In terms of material selection, this type of equipment emphasizes a balance between high strength and lightweight design. Common features include steel frame structures with anti-slip treads, and some are also equipped with guardrails and lifting auxiliary components to ensure personnel safety and convenient material transportation during construction. Furthermore, its easy assembly and disassembly allows it to adapt to the needs of different maintenance stages. Especially in the treatment of defects and replacement of components on existing bridges, it effectively improves construction efficiency and reduces the disruption to the lives of surrounding residents and traffic.

[0003] A search revealed Chinese Patent Publication No. CN213233168U, which discloses an engineering device, particularly a bridge maintenance platform. The platform includes a slewing bearing and further comprises: a guide rail fixed to one side of the bridge's bottom and arranged along the bridge's length; a traveling trolley movably mounted on the guide rail, with the outer ring of the slewing bearing fixed to the traveling trolley; a drive gear meshing with the outer ring of the slewing bearing; a slewing motor, with the drive gear fixed to the motor shaft of the slewing motor; a rotating support frame, with its top fixed to the inner ring of the slewing bearing, and the slewing motor fixed to the rotating support frame; and one end of the maintenance platform fixed to the bottom of the rotating support frame. The platform can move or rotate along the bottom surface of the bridge, with a wide operating range that can cover the bottom surface of the bridge. The operating position is easy to adjust, and the safety is good. It can effectively shorten maintenance time. Although the device can move or rotate along the bottom surface of the bridge, with a wide operating range that can cover the bottom surface of the bridge and the operating position is easy to adjust, the protective measures are often incomplete, and the installation is relatively complicated, which can easily affect traffic. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a large-scale bridge maintenance walking protective device that crosses highways, aiming to improve the problem that existing protective measures often have incomplete protection, are relatively complicated to install, and can easily affect traffic.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a large bridge maintenance cross-road walking protective tool, comprising a support rod, a cross-road mechanism at the top of the support rod for support and protection, a fixing mechanism on both the left and right sides of the bottom of the support rod for clamping, multiple connecting shafts between adjacent support rods, a support reinforcing mechanism at the top of the connecting shaft, a climbing mechanism on the right side of the support rod, and a support mechanism at the front bottom of the support rod; The highway crossing mechanism includes a support frame one, the bottom of which is fixedly connected to the top of a support rod. An operating platform is fixedly connected to the top of the support frame one. Multiple guardrails are fixedly connected to the top of the operating platform. Multiple support diagonal rods are provided on the outer wall of the support frame one. A support frame two is fixedly connected near the middle of the multiple support rods. A sliding mechanism is provided at the bottom of the support rods.

[0006] The above technical solution includes a support rod with a road-crossing mechanism at its top. This mechanism provides necessary support and protection during construction and maintenance work, ensuring the safety of personnel and equipment. Fixing mechanisms are located on both sides of the bottom of the support rod to securely clamp it and prevent displacement or tilting during use. Multiple connecting shafts connect adjacent support rods, enhancing overall structural stability. A reinforcing support mechanism is located at the top of each connecting shaft, further improving the support rod's load-bearing capacity. A climbing mechanism is located on the right side of the support rod, facilitating safe and convenient movement of personnel at different heights. A support mechanism is located at the front bottom of the support rod, distributing and bearing pressure from above to ensure the overall stability of the support. To ensure structural stability, the highway crossing mechanism includes a support frame one, the bottom of which is securely connected to the top of the support rods via a robust connection, ensuring a tight fit between them. An operating platform is fixedly connected to the top of the support frame one, providing a workspace for workers. Multiple guardrails are fixedly connected around the top of the operating platform to effectively prevent falls during high-altitude work. Multiple diagonal support braces are provided on the outer wall of the support frame one, enhancing its structural strength and overall stability. A second support frame is fixedly connected near the center of each of the adjacent support rods, further improving the rigidity and stability of the overall structure. A sliding mechanism is provided at the bottom of each support rod, allowing for flexible movement within a certain range to adapt to different construction environments and needs.

[0007] As a further description of the above technical solution: The fixing mechanism includes a connecting plate, the rear side of which is fixedly connected to the front side of the sliding plate. A first limiting post is fixedly connected to the right front end of the connecting plate, and a second limiting post is fixedly connected to the left front end of the connecting plate. A spring is slidably connected to the outer wall of the second limiting post, and a baffle is slidably connected to the outer wall of the second limiting post. Clamping components are provided between adjacent baffles.

[0008] The above technical solution describes a fixing mechanism comprising a connecting plate whose rear side is fixedly connected to the front side of a sliding plate, allowing the connecting plate to move accordingly with the sliding plate. A limiting post 1 is fixedly connected to the right end of the front side of the connecting plate, its main function being to limit the position of the connecting plate and prevent excessive movement. Another limiting post 2 is fixedly connected to the left end of the front side of the connecting plate, also serving a limiting function. A spring is slidably connected to the outer wall of the limiting post 2, allowing it to extend and retract under external force, thus achieving fine-tuning of the connecting plate's position. A baffle is also slidably connected to the outer wall of the limiting post 2, preventing the connecting plate from shifting during movement. To further improve the stability of the fixing mechanism, clamping assemblies are provided between adjacent baffles, effectively fixing the baffles together and ensuring the stability and reliability of the entire fixing mechanism.

[0009] As a further description of the above technical solution: The sliding mechanism includes a sliding plate, the top of which is fixedly connected to the bottom of a support rod, and a track is slidably connected to the bottom of the sliding plate.

[0010] Through the above technical solution: the sliding mechanism is composed of multiple sliding plates. The top of the sliding plate is tightly connected to the bottom of the support rod by a sturdy fixing method, ensuring that the two remain stable and not easily loosened during movement, so as to provide reliable support in the vertical direction. At the same time, a special track is provided at its bottom, which forms a sliding connection with the bottom of the sliding plate, allowing the sliding plate to move smoothly back and forth on the track. This not only ensures the stability of the sliding plate during movement, but also greatly reduces frictional resistance, improves the operating efficiency and durability of the entire sliding mechanism, and the sliding mechanism can flexibly cope with various usage scenarios in practical applications, ensuring the stable operation and long-term use of the equipment.

[0011] As a further description of the above technical solution: The clamping assembly includes a bolt, the outer wall of which is threaded to the middle of the baffle, and the outer wall of the bolt is threaded with a threaded hole.

[0012] Through the above technical solution: the clamping assembly is specifically composed of bolts. The outer wall of the bolt is tightly connected to the middle part of the baffle by threads. The outer wall surface of the bolt is machined with threads, which match the pre-set threaded hole in the middle of the baffle, thereby realizing the threaded connection between the two. In addition, the outer wall of the bolt is also provided with threaded holes, which also adopt a threaded structure, so as to connect with other components by threads, ensuring the stability and reliability of the entire clamping assembly. The clamping assembly can effectively fix the relevant components and ensure the normal operation of the entire device.

[0013] As a further description of the above technical solution: The support and reinforcement mechanism includes multiple stops, the rear sides of which are fixedly connected to the inward side of the support rod. A connecting rod is fixedly connected between adjacent stops, and a rotating component is provided on the outer wall of the connecting rod.

[0014] Through the above technical solution: the support and reinforcement mechanism is specifically composed of multiple blocks, the rear parts of which are firmly fixedly connected to the inward side of the support rod to ensure its stability. Adjacent positions of each block are fixedly connected by connecting rods to form an integral structural frame. In addition, the outer wall of the connecting rod is specially provided with a rotating component. The design of the rotating component is intended to provide flexible adjustment and rotation functions so that it can be adjusted and operated as needed in practical applications, thereby further improving the practicality and reliability of the entire support and reinforcement mechanism.

[0015] As a further description of the above technical solution: The rotating assembly includes a cylindrical sleeve, the inner wall of which is slidably connected to the outer wall of the connecting rod, and an inclined plate is fixedly connected to the bottom of the cylindrical sleeve, the bottom of which is rotatably connected to the outer wall of the connecting shaft.

[0016] Through the above technical solution: the rotating component is specifically composed of a cylindrical sleeve. The inner wall of the cylindrical sleeve is connected to the outer wall of the connecting rod by sliding, ensuring smooth relative movement between the two. In addition, an inclined plate is firmly fixedly connected to the bottom of the cylindrical sleeve. The design of the inclined plate makes its bottom edge rotate with the outer wall of the connecting shaft, thereby enabling the inclined plate to rotate flexibly on the outer wall of the connecting shaft, ensuring that the entire rotating component has good stability and flexibility during operation.

[0017] As a further description of the above technical solution: The climbing mechanism includes a handrail, the bottom of which is fixedly connected to the top right side of the support frame, and a ladder is fixedly connected to the front right side of the support rod.

[0018] Through the above technical solution: the climbing mechanism specifically includes a handrail, the bottom part of which is fixedly connected to the top right side of the support frame in a sturdy manner to ensure its stability and safety. At the same time, the front right side of the support rod is reliably fixed to a section of ladder, so that users can easily climb and descend via the ladder, thereby improving the practicality and convenience of the overall mechanism.

[0019] As a further description of the above technical solution: The support mechanism includes multiple stop blocks 2, the bottom of each of the multiple stop blocks 2 is fixedly connected to the top of the track, and a base is fixedly connected to the bottom of each stop block 2.

[0020] The above technical solution involves a support mechanism composed of multiple stop blocks (2). The bottoms of these stop blocks (2) are firmly fixedly connected to the top of the track. Each stop block (2) also has a base fixedly connected to its bottom to ensure the stability and robustness of the entire support mechanism. Specifically, these stop blocks (2) are tightly fitted to the top of the track through their fixed bottom connections, forming a stable support foundation. Simultaneously, the addition of the base further enhances the connection strength between the stop blocks (2) and the track, enabling the entire support mechanism to remain stable under external forces and preventing displacement or deformation. This improves the overall performance of the support mechanism and ensures its reliability and durability in practical applications.

[0021] This utility model has the following beneficial effects: 1. In this utility model, when movement is required, the support rod is pushed. At this time, the support rod drives the sliding plate to slide along the outer wall of the track. The four support rods will drive the top support frame one and the operating platform to move. When it moves to the section of road that needs maintenance, the construction workers can climb onto the operating platform through the cooperation of the handrail and ladder. At this time, the guardrail can provide safety for the construction workers. At the same time, the support frame two can stably support the operating platform, realizing the function of construction and maintenance without affecting the use of the road, while ensuring the safety of the construction workers. 2. In this utility model, when the sliding plate moves to the appropriate position along the track, the bolt is tightened. At this time, the bolt will rotate along the baffle and enter the threaded hole on the track. At this time, the two baffles press inward and compress the spring to deform it. At this time, the baffles will tightly clamp the side of the track, thus achieving the function of stably fixing the sliding plate on the track and preventing it from moving. Attached Figure Description

[0022] Figure 1 This is a front perspective view of a large bridge maintenance cross-road walking protective device proposed in this utility model; Figure 2 This is a top view of a large bridge maintenance walking protective device that crosses a highway, as proposed in this utility model. Figure 3 This is a partial structural breakdown of the baffle of a large bridge maintenance cross-road protective device proposed in this utility model. Figure 4 This is a partial structural breakdown diagram of the operating platform of a large-scale bridge maintenance cross-road protective device proposed in this utility model; Figure 5 This is a partial structural breakdown diagram of the inclined plate of a bridge maintenance protective device that crosses a highway, as proposed in this utility model.

[0023] Legend: 1. Support rod; 2. Highway crossing mechanism; 201. Support frame one; 202. Operating platform; 203. Guardrail; 204. Support diagonal bar; 205. Support frame two; 206. Sliding mechanism; 2061. Sliding plate; 2062. Track; 3. Fixing mechanism; 301. Connecting plate; 302. Limiting post one; 303. Baffle; 304. Limiting post two; 305. Spring; 306. Clamping assembly; 3061. Bolt; 3062. Threaded hole; 4. Support reinforcement mechanism; 401. Stop block one; 402. Connecting rod; 403. Rotating assembly; 4031. Cylindrical sleeve; 4032. Inclined plate; 5. Climbing mechanism; 501. Handrail; 502. Ladder; 6. Support mechanism; 601. Stop block two; 602. Base; 7. Connecting shaft. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 4 An embodiment of this utility model provides a large bridge maintenance cross-road walking protective tool, including a support rod 1, a cross-road mechanism 2 is provided at the top of the support rod 1 for support and protection, a fixing mechanism 3 is provided on the left and right sides of the bottom of the support rod 1 for clamping, a plurality of connecting shafts 7 are provided between adjacent support rods 1, a support reinforcing mechanism 4 is provided at the top of the connecting shaft 7, a climbing mechanism 5 is provided on the right side of the support rod 1, and a support mechanism 6 is provided on the front bottom side of the support rod 1; The highway crossing mechanism 2 includes a support frame 201, the bottom of which is fixedly connected to the top of the support rod 1. An operating platform 202 is fixedly connected to the top of the support frame 201. Multiple guardrails 203 are fixedly connected to the top of the operating platform 202. Multiple support diagonal bars 204 are provided on the outer wall of the support frame 201. A support frame 205 is fixedly connected to the middle of the adjacent support rods 1. A sliding mechanism 206 is provided at the bottom of the support rod 1. The sliding mechanism 206 includes a sliding plate 2061, the top of which is fixedly connected to the bottom of the support rod 1. A track 2062 is slidably connected to the bottom of the sliding plate 2061. Specifically, the structure includes a support rod 1, with a highway-crossing mechanism 2 at its top. This mechanism provides necessary support and protection during construction and maintenance work, ensuring the safety of personnel and equipment. Fixing mechanisms 3 are located on both the left and right sides of the bottom of the support rod 1, securing it firmly to prevent displacement or tilting during use. Multiple connecting shafts 7 are installed between adjacent support rods 1, serving not only as connections but also enhancing the overall structural stability. A support reinforcement mechanism 4 is located at the top of each connecting shaft 7, further improving the load-bearing capacity of the support rod 1. A climbing mechanism 5 is provided on the right side, facilitating safe and convenient movement of workers between different heights. A support mechanism 6 is provided on the front bottom of the support rod 1. This support mechanism 6 is mainly used to distribute and bear the pressure from above, ensuring the stability of the entire structure. The road crossing mechanism 2 includes a support frame 201. The bottom of the support frame 201 is fixedly connected to the top of the support rod 1 through a robust connection method, ensuring a tight connection between the two. An operating platform 202 is fixedly connected to the top of the support frame 201. The operating platform 202 provides a working space for workers. Multiple guardrails 203 are fixedly connected to the top of the operating platform 202. These guardrails 203 are effective. To prevent workers from falling while working at heights, multiple diagonal support rods 204 are provided on the outer wall of support frame 1 201. These diagonal support rods 204 not only enhance the structural strength of support frame 1 201 but also improve the overall stability. Support frame 205 is fixedly connected to adjacent support rods 1 near the middle, further enhancing the rigidity and stability of the overall structure. A sliding mechanism 206 is provided at the bottom of support rod 1, allowing the support rod 1 to move flexibly within a certain range to adapt to different construction environments and needs. The sliding mechanism 206 consists of multiple sliding plates 2061, the top of which is open to... The robust fixing method tightly connects the support rod 1 to the bottom, ensuring stability and preventing loosening during movement. This provides reliable vertical support. A dedicated track 2062 is located at the bottom, forming a sliding connection with the bottom of the sliding plate 2061. This allows the sliding plate 2061 to move smoothly back and forth on the track 2062, ensuring stability during movement and significantly reducing frictional resistance. This improves the overall efficiency and durability of the sliding mechanism 206. In practical applications, the sliding mechanism 206 can flexibly adapt to various usage scenarios, ensuring stable operation and long-term use of the equipment.

[0026] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 3The fixing mechanism 3 includes a connecting plate 301. The rear side of the connecting plate 301 is fixedly connected to the front side of the sliding plate 2061. A first limiting post 302 is fixedly connected to the right front end of the connecting plate 301, and a second limiting post 304 is fixedly connected to the left front end of the connecting plate 301. A spring 305 is slidably connected to the outer wall of the second limiting post 304, and a baffle 303 is slidably connected to the outer wall of the second limiting post 304. A clamping assembly 306 is provided between adjacent baffles 303. The clamping assembly 306 includes a bolt 3061. The outer wall of the bolt 3061 is threadedly connected to the middle of the baffle 303, and a threaded hole 3062 is threadedly connected to the outer wall of the bolt 3061. Specifically, the fixing mechanism 3 includes a connecting plate 301, the rear part of which is fixedly connected to the front side of the sliding plate 2061, allowing the connecting plate 301 to move accordingly with the movement of the sliding plate 2061. A limiting post 302 is fixedly connected to the right end of the front side of the connecting plate 301. The main function of the limiting post 302 is to limit the position of the connecting plate 301 and prevent excessive movement. Another limiting post 304 is fixedly connected to the left end of the front side of the connecting plate 301, also serving a limiting function. A spring 305 is slidably connected to the outer wall of the limiting post 304, allowing the limiting post 304 to extend and retract under external force, thereby achieving fine adjustment of the position of the connecting plate 301. A baffle 303 is also slidably connected to the outer wall of the limiting post 304, preventing the connecting plate 301 from moving excessively. 1. In case of displacement during movement, clamping components 306 are provided between adjacent baffles 303 to further improve the stability of the fixing mechanism 3. These clamping components 306 can effectively fix the baffles 303 together, thereby ensuring the stability and reliability of the entire fixing mechanism 3. The clamping components 306 are specifically composed of bolts 3061. The outer wall of the bolt 3061 is tightly connected to the middle part of the baffle 303 by means of threads. The outer wall surface of the bolt 3061 is machined with threads, which match the pre-set threaded hole in the middle of the baffle 303, thereby realizing the threaded connection between the two. In addition, the outer wall of the bolt 3061 is also provided with threaded holes 3062. The threaded holes 3062 also adopt a threaded structure to facilitate threaded connection with other components, ensuring the stability and reliability of the entire clamping component 306. The clamping component 306 can effectively fix the relevant components and ensure the normal operation of the entire device.

[0027] Please see the appendix Figure 2 and attached Figure 5The support and strengthening mechanism 4 includes multiple stops 401. The rear side of each stop 401 is fixedly connected to the inward side of the support rod 1. Each adjacent stop 401 is fixedly connected to a connecting rod 402. The outer wall of the connecting rod 402 is provided with a rotating component 403. The rotating component 403 includes a cylindrical sleeve 4031. The inner wall of the cylindrical sleeve 4031 is slidably connected to the outer wall of the connecting rod 402. The bottom of the cylindrical sleeve 4031 is fixedly connected to an inclined plate 4032. The bottom of the inclined plate 4032 is rotatably connected to the outer wall of the connecting shaft 7. Specifically, the support and reinforcement mechanism 4 is composed of multiple stops 401. The rear portions of these stops 401 are firmly fixedly connected to the inward side of the support rod 1 to ensure its stability. Adjacent positions of each stop 401 are fixedly connected by connecting rods 402, forming an integral structural frame. In addition, the outer wall of the connecting rods 402 is specially provided with a rotating component 403. The rotating component 403 is designed to provide flexible adjustment and rotation functions so that it can be adjusted and operated as needed in practical applications, thereby further improving the practicality of the entire support and reinforcement mechanism 4. To ensure reliability, the rotating assembly 403 is specifically composed of a cylindrical sleeve 4031. The inner wall of the cylindrical sleeve 4031 is connected to the outer wall of the connecting rod 402 by sliding, ensuring smooth relative movement between the two. In addition, an inclined plate 4032 is firmly fixedly connected to the bottom of the cylindrical sleeve 4031. The design of the inclined plate 4032 makes its bottom edge rotatably connected to the outer wall of the connecting shaft 7, thereby allowing the inclined plate 4032 to rotate flexibly on the outer wall of the connecting shaft 7, ensuring that the entire rotating assembly 403 has good stability and flexibility during operation.

[0028] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 4 The climbing mechanism 5 includes a handrail 501, the bottom of which is fixedly connected to the top right side of the support frame 1 201. The front right side of the support frame 1 is fixedly connected to a ladder 502. The support mechanism 6 includes multiple stops 2 601, the bottom of which is fixedly connected to the top of the track 2062. The bottom of the stops 2 601 is fixedly connected to a base 602. Specifically, the climbing mechanism 5 includes a handrail 501. The bottom part of the handrail 501 is securely connected to the top right side of the support frame 1 201 to ensure its stability and safety. Meanwhile, the front right side of the support rod 1 is reliably connected to a ladder 502, allowing users to easily ascend and descend via the ladder 502, thus improving the overall practicality and convenience of the mechanism. The support mechanism 6 consists of multiple stops 2 601, the bottom of which are connected to the track. The top of track 2062 is securely fixed, and the bottom of each stop 601 is further fixedly connected to a base 602 to ensure the stability and robustness of the entire support mechanism 6. Specifically, these stops 601, through their fixed connection at the bottom, fit tightly against the top of track 2062, forming a stable support base. Simultaneously, the addition of the base 602 further enhances the connection strength between the stops 601 and track 2062, enabling the entire support mechanism 6 to remain stable under external forces and preventing displacement or deformation. This improves the overall performance of the support mechanism 6, ensuring its reliability and durability in practical applications.

[0029] Working principle: First, when movement is required, push the support rod 1. At this time, the support rod 1 drives the sliding plate 2061 to slide along the outer wall of the track 2062. Then, the four support rods 1 will drive the top support frame 201 and the operating platform 202 to move. When it moves to the section of road that needs maintenance, the workers can climb onto the operating platform 202 through the cooperation of the handrail 501 and the ladder 502. At this time, the guardrail 203 can provide safety for the workers, and the support frame 205 can stably support the operating platform 202. This achieves the goal of carrying out maintenance without affecting road use, while ensuring the safety of the workers. After the sliding plate 2061 moves to the appropriate position along the track 2062, the bolt 3061 is tightened. At this time, the bolt 3061 will rotate along the baffle 303 and enter the threaded hole 3062 on the track 2062. At this time, the two baffles 303 press inward and compress the spring 305 to deform it. At this time, the baffles 303 will tightly clamp the side of the track 2062, thus achieving the function of stably fixing the sliding plate 2061 on the track 2062 and preventing it from moving.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A type of protective equipment for bridge maintenance across highways, comprising a support rod (1), characterized in that: The top of the support rod (1) is provided with a road crossing mechanism (2), which is used for support and protection. The bottom left and right sides of the support rod (1) are provided with fixing mechanisms (3), which are used for clamping. Multiple connecting shafts (7) are provided between adjacent support rods (1). The top of the connecting shaft (7) is provided with a support reinforcing mechanism (4). The right side of the support rod (1) is provided with a climbing mechanism (5). The bottom front side of the support rod (1) is provided with a support mechanism (6). The cross-road mechanism (2) includes a support frame one (201), the bottom of the support frame one (201) is fixedly connected to the top of the support rod (1), the top of the support frame one (201) is fixedly connected to an operating platform (202), the top of the operating platform (202) is fixedly connected to multiple guardrails (203) around its top, the outer wall of the support frame one (201) is provided with multiple support diagonal rods (204), the adjacent support rods (1) are fixedly connected to a support frame two (205) near the middle, and the bottom of the support rod (1) is provided with a sliding mechanism (206).

2. The bridge large-scale maintenance cross-road walking protective tool according to claim 1, characterized in that: The fixing mechanism (3) includes a connecting plate (301), the rear side of the connecting plate (301) is fixedly connected to the front side of the sliding plate (2061), the right front end of the connecting plate (301) is fixedly connected to a first limiting post (302), the left front end of the connecting plate (301) is fixedly connected to a second limiting post (304), the outer wall of the second limiting post (304) is slidably connected to a spring (305), the outer wall of the second limiting post (304) is slidably connected to a baffle (303), and a clamping assembly (306) is provided between adjacent baffles (303).

3. The bridge large-scale maintenance cross-road walking protective tool according to claim 1, characterized in that: The sliding mechanism (206) includes a sliding plate (2061), the top of which is fixedly connected to the bottom of the support rod (1), and a track (2062) is slidably connected to the bottom of the sliding plate (2061).

4. The bridge large-scale maintenance cross-road walking protective tool according to claim 2, characterized in that: The clamping assembly (306) includes a bolt (3061), the outer wall of which is threaded to the middle of the baffle (303), and the outer wall of the bolt (3061) is threaded with a threaded hole (3062).

5. The bridge maintenance cross-road walking protective tool according to claim 1, characterized in that: The support reinforcement mechanism (4) includes multiple stop blocks (401), the rear side of each of the multiple stop blocks (401) is fixedly connected to the inward side of the support rod (1), and a connecting rod (402) is fixedly connected between adjacent stops (401), and a rotating component (403) is provided on the outer wall of the connecting rod (402).

6. The bridge large-scale maintenance cross-road walking protective tool according to claim 5, characterized in that: The rotating assembly (403) includes a cylindrical sleeve (4031), the inner wall of which is slidably connected to the outer wall of the connecting rod (402), and an inclined plate (4032) is fixedly connected to the bottom of the cylindrical sleeve (4031), the bottom of which is rotatably connected to the outer wall of the connecting shaft (7).

7. The bridge large-scale maintenance cross-road walking protective tool according to claim 1, characterized in that: The climbing mechanism (5) includes a handrail (501), the bottom of which is fixedly connected to the top right side of the support frame (201), and a ladder (502) is fixedly connected to the front right side of the support rod (1).

8. The bridge large-scale maintenance cross-road walking protective tool according to claim 1, characterized in that: The support mechanism (6) includes multiple stop blocks (601), the bottom of which is fixedly connected to the top of the track (2062), and a base (602) is fixedly connected to the bottom of each stop block (601).

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