Municipal road foundation pit safety protection device
Through the design of supporting rods, electric push rods and semi-threaded rods, the disassembly and fixing problems of municipal road subgrade pit safety protection devices are solved, and the rapid installation and stability effect is achieved, which improves the convenience and safety of the device.
Patent Information
- Application Number
- CN202422710205.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-07
AI Technical Summary
There are contradictions in the disassembly and fixity of the existing municipal road subgrade pit safety protection devices, which are both difficult to disassemble easily and be difficult to install stably.
The design of components such as support rods, electric push rods and semi-thread rods is adopted. Through the cooperation of the rotating blocks and the rotating plates, the protective mesh plates can be quickly tightened and installed, and through the cooperation of the electric push rods and insert rods, the device is ensured to be firm on the ground.
It realizes the fast, convenient installation and stability of the protective mesh panel, improves the convenience and safety of the device, and avoids damage caused by knockdown.
Smart Images

Figure CN223256609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit safety protection, in particular to a municipal road foundation pit safety protection device. Background Art
[0002] Municipal road foundation pit safety protection devices are a series of equipment and measures designed to ensure the safety of personnel and the surrounding environment during construction. Foundation pit construction is a common operation in municipal engineering, and because it carries certain risks, protective measures are particularly important.
[0003] There are many types of existing municipal road foundation pit safety protection devices, which can basically be applied to various environments. However, most of the safety protection devices are not easy to disassemble and have poor fixation. Those with good fixation are not easy to disassemble. Therefore, a municipal road foundation pit safety protection device is proposed to solve the above problems. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a municipal road foundation pit safety protection device, aiming to improve the problems that most safety protection devices in the existing technology are not easy to disassemble and have poor fixation, while those with good fixation are not easy to disassemble.
[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a municipal road foundation pit safety protection device, comprising two support rods, the bottoms of the support rods are fixedly connected to the base, the top outer walls of the support rods are snap-connected to the top cover, the left and right sides of the support rods are fixedly connected to three mounting parts, the interior of the corresponding side of the mounting part is snap-connected to the protective mesh plate, the front side of the mounting part is fixedly connected to the connecting part, the front side of the connecting part is snap-connected to the rotating block, the rear side of the rotating block is fixedly connected to a semi-threaded rod, the rear side of the semi-threaded rod is externally threaded with a nut, the upper and lower inner walls of the connecting part are fixedly connected to rotating components, and the rotating components are used to expand the fixing area of the mounting part and the protective mesh plate.
[0006] As a further description of the above technical solution:
[0007] An electric push rod is fixedly connected to the upper inner side of the support rod, and the output end of the electric push rod is slidably connected to a moving block. A socket is provided inside the moving block, and the output end of the electric push rod is snap-connected to the inside of the socket. The bottom of the moving block is fixedly connected to a telescopic rod, and the bottom of the telescopic rod is fixedly connected to a pushing block. A spring is provided on the outside of the telescopic rod, and the bottom of the pushing block is fixedly connected to a plug rod.
[0008] As a further description of the above technical solution:
[0009] The rotating assembly includes a rotating seat, which is fixedly connected to the upper and lower sides of the inner wall of the connecting piece, and the interior of the rotating seat is rotatably connected to a rotating plate.
[0010] As a further description of the above technical solution:
[0011] A through slot is provided on the inner front side of the mounting piece and the inner part of the protective mesh plate, and the rotating plate is rotatably connected to the inner part of the through slot.
[0012] As a further description of the above technical solution:
[0013] One end of the spring is fixedly connected to the bottom of the moving block, and the other end of the spring is fixedly connected to the upper part of the pushing block.
[0014] As a further description of the above technical solution:
[0015] Limiting blocks are fixedly connected to the left and right upper sides of the outer wall of the moving block, and limiting grooves are provided on the left and right sides of the interior of the supporting rod, and the limiting blocks are slidably connected to the interior of the limiting grooves.
[0016] As a further description of the above technical solution:
[0017] The insertion rod is slidably connected to the inside of the support rod and the base.
[0018] As a further description of the above technical solution:
[0019] A warning plate is fixedly connected to the front side of the protective mesh plate, and a surface of the warning plate is coated with a fluorescent material.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, the protective mesh plate is clamped into the interior of the mounting piece, the semi-threaded rod is inserted into the connecting piece to the interior of the through groove, and the rotating block is rotated so that its thread passes through the mounting piece. At the same time, the rotating plate is squeezed to rotate inside the rotating seat, so that the fixing area of the protective mesh plate is expanded, and the nut is selected and sleeved on the outer rear side of the semi-threaded rod, thereby achieving a quick and convenient fastening and installation of the protective mesh plate, thereby improving the convenience of using the device.
[0022] 2. In the utility model, the electric push rod is started to insert the output end into the interior of the moving block and push it downward, so that the moving block drives the limit block to slide inside the support rod and the limit groove, so that the push block moves under the action of the telescopic rod and the spring, and pushes the insertion rod to insert it into the ground, thereby achieving stable mounting of the protective device on the opposite surface, avoiding being hit by passers-by or vehicles and causing personal injury. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1This is a three-dimensional diagram of the municipal road foundation pit safety protection device proposed by the utility model;
[0024] Figure 2 This is a schematic diagram of the installation structure of the municipal road foundation pit safety protection device proposed by the utility model;
[0025] Figure 3 This is a cross-sectional view of the support rod of the municipal road foundation pit safety protection device proposed by the utility model;
[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle.
[0027] Legend:
[0028] 1. Support rod; 2. Base; 3. Top cover; 4. Protective mesh; 5. Warning plate; 6. Mounting parts; 7. Connecting parts; 8. Rotating block; 9. Semi-threaded rod; 10. Rotating seat; 11. Rotating plate; 12. Nut; 13. Through slot; 14. Electric push rod; 15. Limiting slot; 16. Limiting block; 17. Moving block; 18. Socket; 19. Telescopic rod; 20. Spring; 21. Pushing block; 22. Inserting rod. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0030] Reference Figure 1 、 Figure 2 、 Figure 3 The utility model provides an embodiment of a municipal road foundation pit safety protection device, comprising two support rods 1, the bottom of the support rod 1 is fixedly connected to the base 2, the top outer wall of the support rod 1 is snap-connected with a top cover 3, the left and right sides of the support rod 1 are fixedly connected with three mounting parts 6, the inner side of the corresponding side of the mounting part 6 is snap-connected with a protective mesh plate 4, so that it blocks the foundation pit to prevent pedestrians or vehicles from falling into the pit, the front side of the mounting part 6 is fixedly connected with a connecting piece 7, the front side of the connecting piece 7 is fitly connected with a rotating block 8, the rear side of the rotating block 8 is fixedly connected with a semi-threaded rod 9, the rear side of the semi-threaded rod 9 is threadedly connected with a nut 12, so that it can fasten and install the protective mesh plate 4, the upper and lower inner walls of the connecting piece 7 are fixedly connected with a rotating assembly, and the rotating assembly is used to expand the fixing area of the mounting piece 6 and the protective mesh plate 4;
[0031] The rotating assembly includes a rotating base 10, which is fixedly connected to the upper and lower sides of the inner wall of the connecting member 7. A rotating plate 11 is rotatably connected to the inside of the rotating base 10. A through groove 13 is provided on the inner front side of the mounting member 6 and the inside of the protective mesh plate 4. The rotating plate 11 is rotatably connected to the inside of the through groove 13; a warning plate 5 is fixedly connected to the front side of the protective mesh plate 4. The surface of the warning plate 5 is coated with a fluorescent material, so that it can still warn passers-by at night to prevent them from falling into the pit.
[0032] By inserting the protective mesh plate 4 into the interior of the mounting part 6, and inserting the semi-threaded rod 9 into the interior of the connecting part 7 to the through groove 13, and rotating the rotating block 8 so that its thread passes through the mounting part 6, at the same time, squeezing the rotating plate 11 to rotate it inside the rotating seat 10, so as to expand the fixing area of the protective mesh plate 4, improve the tightness of the installation of the protective mesh plate 4, and select the nut 12 to be sleeved on the outer rear side of the semi-threaded rod 9, so that the protective mesh plate 4 can be quickly and conveniently fastened and installed, thereby improving the convenience of using the device, and with the mounting parts 6 fixed on both sides of the support rod 1, the protective mesh plate 4 can be installed as needed, thereby extending the length of the protective device.
[0033] Reference Figure 1 、 Figure 3 、 Figure 4 The upper side of the interior of the support rod 1 is fixedly connected to an electric push rod 14, and the output end of the electric push rod 14 is slidably connected to a moving block 17. A socket 18 is provided inside the moving block 17, and the output end of the electric push rod 14 is snap-connected to the inside of the socket 18. The bottom of the moving block 17 is fixedly connected to a telescopic rod 19, and the bottom of the telescopic rod 19 is fixedly connected to a pushing block 21. The outer sleeve of the telescopic rod 19 is provided with a spring 20, and the bottom of the pushing block 21 is fixedly connected to an insertion rod 22, so that it pushes the insertion rod 22 to be firmly inserted into the ground. One end of the spring 20 is fixedly connected to the bottom of the moving block 17, and the other end of the spring 20 is fixedly connected to the upper part of the pushing block 21. The upper and lower sides of the outer wall of the moving block 17 are fixedly connected to the limiting blocks 16 on the left and right sides. The inner side of the support rod 1 is provided with limiting grooves 15 on the left and right sides. The limiting block 16 is slidably connected to the inside of the limiting groove 15, so that it ensures that the moving block 17 is stable when moving, and the insertion rod 22 is slidably connected to the inside of the support rod 1 and the base 2.
[0034] By starting the electric push rod 14, the output end of the electric push rod 14 is inserted into the inside of the jack 18, so that it pushes the moving block 17 downward, and the moving block 17 moves while driving the limit block 16, so that the moving block 17 and the limit block 16 slide inside the support rod 1 and the limit groove 15 respectively, so that the telescopic rod 19 drives the pushing block 21 to push the insertion rod 22, and under the action of the telescopic rod 19 and the spring 20, it tightly presses against the pushing block 21, so that the insertion rod 22 is tightly inserted into the ground, so that the protective device is stably fixed on the ground to avoid being hit by passers-by or vehicles and causing injuries.
[0035] Working principle: When the device needs to be used, the protective mesh plate 4 is inserted into the interior of the mounting member 6, and the semi-threaded rod 9 is inserted into the connecting member 7 to the interior of the through slot 13, and the rotating block 8 is rotated so that its thread passes through the mounting member 6. At the same time, the rotating plate 11 is squeezed to rotate inside the rotating seat 10, so that the fixing area of the protective mesh plate 4 is expanded, and the nut 12 is selected and sleeved on the outer rear side of the semi-threaded rod 9, so that the protective mesh plate 4 can be quickly and conveniently fastened and installed, thereby improving the convenience of using the device;
[0036] By starting the electric push rod 14 so that the output end is inserted into the interior of the moving block 17 and pushed downward, the moving block 17 drives the limit block 16 to slide inside the support rod 1 and the limit groove 15, so that the pushing block 21 moves under the action of the telescopic rod 19 and the spring 20, and pushes the insertion rod 22 to insert it into the ground, thereby achieving stable mounting of the protective device on the opposite surface to prevent it from being hit by passers-by or vehicles and causing personal injury.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A municipal road foundation pit safety protection device, comprising two support rods (1), characterized in that: The bottom of the support rod (1) is fixedly connected to the base (2), the top outer wall of the support rod (1) is snap-connected to the top cover (3), the left and right sides of the support rod (1) are fixedly connected to three mounting members (6), the inner side of the mounting member (6) is snap-connected to the protective mesh plate (4), the front side of the mounting member (6) is fixedly connected to the connecting member (7), the front side of the connecting member (7) is snap-connected to the rotating block (8), the rear side of the rotating block (8) is fixedly connected to the semi-threaded rod (9), the rear side of the semi-threaded rod (9) is externally threadedly connected to a nut (12), the upper and lower inner walls of the connecting member (7) are fixedly connected to the rotating assembly, and the rotating assembly is used to expand the fixing area of the mounting member (6) and the protective mesh plate (4).
2. The municipal road foundation pit safety protection device according to claim 1 is characterized in that: The upper inner side of the support rod (1) is fixedly connected to an electric push rod (14), the output end of the electric push rod (14) is slidably connected to a moving block (17), a socket (18) is provided inside the moving block (17), the output end of the electric push rod (14) is snap-connected to the inside of the socket (18), the bottom of the moving block (17) is fixedly connected to a telescopic rod (19), the bottom of the telescopic rod (19) is fixedly connected to a pushing block (21), the outer portion of the telescopic rod (19) is provided with a spring (20), and the bottom of the pushing block (21) is fixedly connected to an insertion rod (22).
3. The municipal road foundation pit safety protection device according to claim 1 is characterized in that: The rotating assembly comprises a rotating seat (10), the rotating seat (10) being fixedly connected to the upper and lower sides of the inner wall of the connecting member (7), and a rotating plate (11) being rotatably connected inside the rotating seat (10).
4. The municipal road foundation pit safety protection device according to claim 3 is characterized in that: A through slot (13) is provided on the inner front side of the mounting member (6) and the inner part of the protective mesh plate (4), and the rotating plate (11) is rotatably connected to the inner part of the through slot (13).
5. The municipal road foundation pit safety protection device according to claim 2 is characterized in that: One end of the spring (20) is fixedly connected to the bottom of the moving block (17), and the other end of the spring (20) is fixedly connected to the upper part of the pushing block (21).
6. The municipal road foundation pit safety protection device according to claim 2 is characterized in that: The upper side of the outer wall of the moving block (17) is fixedly connected to the limiting blocks (16) on both sides, and the inner side of the support rod (1) is provided with limiting grooves (15) on both sides, and the limiting blocks (16) are slidably connected to the inner side of the limiting grooves (15).
7. The municipal road foundation pit safety protection device according to claim 2, characterized in that: The insertion rod (22) is slidably connected inside the support rod (1) and the base (2).
8. The municipal road foundation pit safety protection device according to claim 1 is characterized in that: A warning plate (5) is fixedly connected to the front side of the protective mesh plate (4), and the surface of the warning plate (5) is coated with a fluorescent material.