Mobile security operation platform for tunnel detection
By adopting a combination design of casters, support legs, and positioning components in the mobile safety operating platform for tunnel inspection, the problem of unstable platform positioning was solved, thereby improving the stability and safety of the platform and ensuring the safety of construction personnel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING TRAFFIC ENG SUPERVISION CONSULING CO LTD
- Filing Date
- 2025-09-09
- Publication Date
- 2026-07-10
AI Technical Summary
Existing mobile operating platforms are unstable in positioning during tunnel inspection and are prone to movement, which affects the safety of construction personnel.
The platform employs a combination design of casters, support legs, and positioning components. The casters propel the platform to the detection position, while the support legs rest on the ground and are positioned by the positioning components, enhancing the platform's stability. The support plate provides support when the support legs are off the ground, facilitating platform relocation.
It effectively improves the stability and safety of the mobile operating platform, reduces the risk of platform displacement during the inspection process, and enhances the safety of construction personnel.
Smart Images

Figure CN224478955U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of aerial work platforms, and more particularly to a mobile safety operating platform for tunnel inspection. Background Technology
[0002] Tunnel safety inspection is an important means of ensuring the safety of tunnel structures. During the tunnel safety inspection process, especially when it involves the inspection of the tunnel sidewalls and ceiling, high-altitude operations are often involved. In order to help construction workers to carry out high-altitude operations conveniently, it is necessary to set up operating platforms for them.
[0003] Currently, the common practice is to erect a steel pipe scaffold and then lay scaffold boards on it to form an operating platform. For ease of movement, wheels are also installed at the bottom of the scaffold. However, while this mobile operating platform meets the mobility requirements, the brakes on the wheels alone provide poor stability when the platform is in position for testing. This can easily lead to the platform shifting during the testing process, significantly impacting the safety of construction workers. Utility Model Content
[0004] To improve the security of mobile operating platforms, this application provides a mobile safety operating platform for tunnel inspection.
[0005] The mobile safety operation platform for tunnel inspection provided in this application adopts the following technical solution:
[0006] A mobile safety operating platform for tunnel inspection includes a frame, casters, support legs, and a positioning component. Multiple casters are provided at the bottom of the frame, and multiple support legs are hinged to the frame and located on different sides of the frame. The positioning component is provided on the frame and is used to position the support legs.
[0007] By adopting the above technical solution, construction workers can push the frame to the testing position using the casters, then press the brake on the casters and rotate multiple support legs to make them contact the ground. The support legs are then positioned using the positioning components. Multiple support legs on different sides of the frame can support the frame, improving its stability and effectively enhancing the safety of the mobile operating platform.
[0008] Optionally, the positioning assembly includes a pressure plate and a control screw. The pressure plate is slidably mounted on the frame toward the support foot, and the control screw is rotatably mounted on the frame and threadedly connected to the pressure plate.
[0009] By adopting the above technical solution, the construction personnel turn the control screw, which drives the pressure plate to slide towards the support foot. The pressure plate can then press the support foot firmly onto the ground, thus facilitating the positioning of the support foot.
[0010] Optionally, a support plate is rotatably mounted on the frame for abutting against the support legs, and a limiting block is provided on the frame for abutting against the support plate when the support plate rotates to the height at which the support legs leave the ground.
[0011] By adopting the above technical solution, when it is necessary to move the frame, the support legs are driven off the ground, and then the support plate is rotated to abut against the limit block. At this time, the support plate is at the height where the support legs are off the ground, which can support the support legs and keep them off the ground, making it easier to push the frame to move.
[0012] Optionally, the frame includes a steel pipe frame, scaffold boards, and railings, with the scaffold boards laid on the steel pipe frame and the railings providing circumferential protection on the steel pipe frame.
[0013] By adopting the above technical solutions, the scaffold boards facilitate the movement of construction workers on the scaffold, and the railings provide protection for construction workers on the scaffold, thereby improving the safety of high-altitude operations.
[0014] Optionally, the railing is provided with a hanging device for suspending a seat belt. The hanging device includes a hanging rod and a positioning member. The hanging rod is circumferentially arranged on the railing, and multiple positioning members are provided on the railing for positioning the hanging rod.
[0015] By adopting the above technical solution, the hanging pole is positioned on the railing using the positioning component, and the construction workers can then hang their safety belts on the hanging pole, making it convenient for the construction workers to hang their safety belts.
[0016] Optionally, the positioning element includes a positioning block and a positioning spring. The positioning block is slidably mounted on the railing, and the hanging rod is provided with a slot for the positioning block to engage. The positioning spring is mounted on the railing and is used to drive the positioning block to slide toward the slot.
[0017] By adopting the above technical solution, the hanging rod is moved to a position where the slot and the positioning block are opposite each other. The positioning spring drives the positioning block to move toward the slot and lock into the slot, thus positioning the hanging rod on the railing.
[0018] Optionally, the positioning block has an arc-shaped surface, which is used to drive the positioning block out of the slot when it comes into contact with the seat belt.
[0019] By adopting the above technical solution, when construction workers move on the scaffold, they pull the safety belt against the curved surface, causing the positioning block to move out of the slot. At this time, the other block is still stuck in the slot. After the safety belt passes through the block, the positioning spring drives the block to re-engage in the slot. This eliminates the need for construction workers to remove the safety belt from the hanging rod when moving, thus improving the safety of construction workers when working on the scaffold.
[0020] Optionally, a ladder may be provided on the steel pipe frame.
[0021] By adopting the above technical solution, construction workers can easily climb onto the scaffolding using a ladder.
[0022] In summary, this application includes at least one of the following beneficial technical effects:
[0023] 1. Multiple support legs located on different sides of the frame can support the frame, improve the stability of the frame, and effectively enhance the safety of the mobile operating platform;
[0024] 2. The support plate is located at the height of the support leg off the ground, which can support the support leg and keep it off the ground, making it easy to move the frame.
[0025] 3. Construction workers do not need to remove their safety belts from the hanging poles when moving, which improves the safety of construction workers when working on the scaffold. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the structure of a mobile safety operation platform for tunnel inspection according to an embodiment of this application.
[0027] Figure 2 This is a structural schematic diagram of the hanging component according to an embodiment of this application (partial cross-sectional view of the railing in the figure).
[0028] Figure 3 This is a schematic diagram of the positioning component according to an embodiment of this application.
[0029] Reference numerals in the attached drawings: 1. Frame; 11. Steel pipe frame; 12. Scaffold board; 13. Handrail; 2. Casters; 3. Support legs; 4. Positioning assembly; 41. Pressure plate; 42. Control screw; 5. Support plate; 6. Limit block; 7. Hanger; 71. Hanging rod; 72. Positioning component; 721. Positioning block; 722. Positioning spring; 8. Curved surface; 9. Ladder. Detailed Implementation
[0030] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.
[0031] This application discloses a mobile safety operation platform for tunnel inspection.
[0032] Reference Figure 1The mobile safety operation platform for tunnel inspection includes a frame 1, casters 2, support legs 3, positioning components 4, and hanging parts 7. The frame 1 includes a steel pipe frame 11, scaffold boards 12, and railings 13. In this embodiment, the steel pipe frame 11 is a rectangular frame constructed from multiple steel pipes and fasteners. One caster 2 is installed at each of the four corners of the frame 1. The scaffold boards 12 are laid on the top of the steel pipe frame 11 to form a platform. The railings 13 are circumferentially installed on the top of the steel pipe frame 11.
[0033] The scaffold plank 12 forms a platform on top of the steel pipe frame 11 for construction workers to step on. The railing 13 encloses the platform on top of the steel pipe frame 11, which facilitates the movement of construction workers on the frame 1 and provides circumferential protection for construction workers, thereby improving the safety of high-altitude operations.
[0034] Reference Figure 1 A ladder 9 is installed on the steel pipe frame 11, extending from the bottom to the top of the steel pipe frame 11. The ladder 9 provides a passage for construction workers to climb to the top of the steel pipe frame 11, facilitating their work on the frame.
[0035] Reference Figure 1 , Figure 2 Hanger 7 is installed on railing 13. Hanger 7 is used for suspending safety belts of construction workers. Hanger 7 includes a hanging rod 71 and a positioning element 72. The hanging rod 71 is circumferentially wrapped around the outer perimeter of railing 13. One positioning element 72 is installed at each of the four corners of railing 13. The positioning element 72 is used to position the hanging rod 71. The positioning element 72 includes a positioning block 721 and a positioning spring 722. The positioning block 721 is slidably inserted into railing 13. One end of the positioning spring 722 is installed on railing 13, and the other end of the positioning spring 722 is installed on... The positioning block 721 faces the end of the railing 13. The positioning spring 722 always has the tendency to drive the positioning block 721 to move away from the railing 13. The side of the hanging rod 71 facing the railing 13 has four slots for the four positioning blocks 721 to be inserted. The two sides of the positioning block 721 have arc-shaped surfaces 8, so that the width of the positioning block 721 gradually increases from the side close to the hanging rod 71 to the side away from the hanging rod 71. When the safety belt abuts against the positioning block 721, it drives the positioning block 721 to exit from the slot.
[0036] Move the hanging rod 71 so that the four positioning blocks 721 are aligned with the four slots on the hanging rod 71. Then, the positioning spring 722 will drive the positioning blocks 721 to move away from the railing 13 and engage in the slots. When construction workers go up to the scaffold boards 12 on the steel pipe frame 11 for construction, they can easily hang their safety belts on the hanging rod 71. When construction workers need to change their work position, they can pull the safety belt along the hanging rod 71, and the safety belt will abut against the arc-shaped surface 8 of one of the positioning blocks 721. When the safety belt passes through the positioning block 721, the positioning block 721 can be pushed out of the slot, allowing the safety belt to pass directly through it. During this process, the other three positioning blocks 721 remain in their corresponding slots, supporting the hanging rod 71. After the safety belt passes through the positioning block 721, the positioning spring 722 drives the block to re-engage in the slot. This allows construction workers to move without removing their safety belts from the hanging rod 71, ensuring that the safety belts remain suspended throughout the entire working process on the scaffold 1, thus improving the safety of construction workers on the scaffold 1.
[0037] Reference Figure 1 , Figure 3 Multiple support legs 3 are hingedly installed on the frame 1. In this embodiment, four support legs 3 are hingedly installed on the frame 1, and the four support legs 3 are located on the four sides of the frame 1 near the bottom. The positioning component 4 is installed on the frame 1 and is used to position the support legs 3. The positioning component 4 includes a pressure plate 41 and a control screw 42. The pressure plate 41 is slidably installed on the steel pipe frame 11 in the direction above the support legs 3. The control screw 42 is rotatably installed on the steel pipe frame 11 along the sliding direction of the pressure plate 41. The control screw 42 is threadedly connected to the pressure plate 41. A support plate 5 is rotatably installed on the frame 1. The support plate 5 is used to abut against the bottom of the support legs 3. A limit block 6 is installed on the frame 1 on the rotation path of the support plate 5. When the support plate 5 abuts against the limit block 6, the support plate 5 is at the height at which the support legs 3 are off the ground.
[0038] After the construction workers push the frame 1 to the testing position, they rotate the control screw 42, causing the pressure plate 41 to slide towards the support leg 3. The pressure plate 41 then presses against the support leg 3, thus positioning the support leg 3 in a position that is firmly against the ground. This allows for quick and easy positioning of the support leg 3. When it is necessary to move the frame 1, first turn the control screw 42 in the opposite direction to move the pressure plate 41 upward. Then, rotate the support leg 3 away from the ground and rotate the support plate 5 so that the support plate 5 abuts against the limit block 6. At this time, the support plate 5 is at the height where the support leg 3 is off the ground. After releasing the support leg 3, the support leg 3 can abut against the support plate 5. The support plate 5 supports the support leg 3, keeping the support leg 3 at the height off the ground, which facilitates the movement of the frame 1.
[0039] The implementation principle of a mobile safety operating platform for tunnel inspection according to an embodiment of this application is as follows: After the construction personnel push the frame 1 to the inspection position using the casters 2, they rotate the support plate 5 away from the underside of the support leg 3, then press the brake on the casters 2, and rotate the support leg 3 to abut against the ground. Then, they turn the control screw 42 so that the pressure plate 41 presses the support leg 3 firmly onto the ground. Multiple support legs 3 located on different sides of the frame 1 can support the frame 1, improve the stability of the frame 1, reduce the possibility of displacement of the frame 1, and effectively improve the safety of the mobile operating platform.
[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A mobile safety operating platform for tunnel inspection, characterized in that: The frame includes a frame (1), casters (2), support legs (3) and a positioning component (4). Multiple casters (2) are provided at the bottom of the frame (1). Multiple support legs (3) are hinged on the frame (1). The multiple support legs (3) are located on different sides of the frame (1). The positioning component (4) is provided on the frame (1) and is used to position the support legs (3).
2. The mobile safety operating platform for tunnel inspection according to claim 1, characterized in that: The positioning component (4) includes a pressure plate (41) and a control screw (42). The pressure plate (41) is slidably mounted on the frame (1) in the direction of the support foot (3). The control screw (42) is rotatably mounted on the frame (1) and threadedly connected to the pressure plate (41).
3. The mobile safety operating platform for tunnel inspection according to claim 1, characterized in that: The frame (1) is rotatably provided with a support plate (5) for abutting against the support leg (3), and the frame (1) is provided with a limiting block (6) for abutting against the support plate (5) when the support plate (5) rotates to the height at which the support leg (3) leaves the ground.
4. The mobile safety operating platform for tunnel inspection according to claim 1, characterized in that: The frame (1) includes a steel pipe frame (11), scaffold boards (12) and railings (13). The scaffold boards (12) are laid on the steel pipe frame (11), and the railings (13) are arranged to surround the steel pipe frame (11).
5. A mobile safety operating platform for tunnel inspection according to claim 4, characterized in that: The railing (13) is provided with a hanging device (7) for hanging a safety belt. The hanging device (7) includes a hanging rod (71) and a positioning device (72). The hanging rod (71) is circumferentially arranged on the railing (13). Multiple positioning devices (72) are provided on the railing (13) and are used to position the hanging rod (71).
6. A mobile safety operating platform for tunnel inspection according to claim 5, characterized in that: The positioning component (72) includes a positioning block (721) and a positioning spring (722). The positioning block (721) is slidably mounted on the railing (13). The hanging rod (71) is provided with a slot for the positioning block (721) to be inserted into. The positioning spring (722) is mounted on the railing (13) and is used to drive the positioning block (721) to slide toward the slot.
7. A mobile safety operating platform for tunnel inspection according to claim 6, characterized in that: The positioning block (721) has an arc-shaped surface (8) which is used to drive the positioning block (721) out of the slot when it comes into contact with the seat belt.
8. A mobile safety operating platform for tunnel inspection according to claim 4, characterized in that: A ladder (9) is installed on the steel pipe frame (11).