Foundation pit protection device

By designing the coordination between the rotating rod and the threaded rod in the foundation pit protection device, the problem of high difficulty in installing the anchor rod in the prior art is solved, the efficiency and user experience of the staff are improved, and the stability of the device is enhanced.

CN222295925UActive Publication Date: 2025-01-03ANHUI LIANJIN CONSTRUCTION ENGINEERING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421088628.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-03
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

When installing anchor poles, the existing foundation pit protection device is difficult to operate, which affects the efficiency of the staff.

Method used

A foundation pit protection device including a symmetrical base, support rod, rotating groove, rotating rod, support assembly and threaded groove is designed. Through the cooperation of the rotating rod and threaded rod, the difficulty of the anchor rod entering the soil is reduced, and through the support assembly and The design of the limit block improves the stability of the anchorage pole.

Benefits of technology

It improves the efficiency and user experience of staff installing protective devices, reduces operation difficulty, and enhances the stability of anchorage poles.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222295925U_ABST
    Figure CN222295925U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of foundation pit protection, and discloses a foundation pit protection device which comprises two symmetrical bases, supporting rods fixed to the upper surfaces of the bases and a protective fence body jointly installed on the two supporting rods, rotating grooves are formed in the bottom faces of the bases, and anchor rods are rotationally arranged in the rotating grooves. A first communicating groove is formed in the upper surface of the supporting rod in a penetrating mode, a second communicating groove communicating with the rotating groove is formed in the upper surface of the base, a rotating rod is rotationally arranged in the first communicating groove and the second communicating groove jointly, and the bottom face of the rotating rod is fixed to an anchoring rod; a supporting assembly used for improving the supporting effect of the anchor rod is arranged on the anchor rod. The protection device has the effect of reducing the difficulty of mounting the protection device by workers.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit protection, in particular to a foundation pit protection device. Background Art

[0002] The foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. When carrying out municipal road construction, it is generally necessary to dig a foundation pit at the construction site first. However, since the foundation pit is deep, there will be many safety hazards if it is directly exposed. Therefore, during construction, guardrails are generally deployed around the foundation pit.

[0003] A foundation pit safety protection device is disclosed in a Chinese utility model patent with publication number CN220686935U, comprising a symmetrically arranged vertical rod one and a vertical rod two, a symmetrically arranged cross rod is arranged between the vertical rod one and the vertical rod two, a plurality of evenly distributed handrails are arranged between the two groups of the cross rods, a base is arranged at the bottom end of each of the vertical rods one and the vertical rod two, a symmetrically arranged through hole one is opened on the base, an anchor rod matching the through hole one is arranged in the through hole one, three groups of evenly distributed limit plates are arranged around the outer wall of the anchor rod, and the limit plates are connected to the anchor rod through an extension assembly.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: the above-mentioned device supports the protective device through the cooperation between the anchor rod and the limit plate. When the staff installs the anchor rod, the staff needs to use brute force to connect the anchor rod and the soil with each other, and use tools to rotate the rotating parts. The operation is difficult, which is not conducive to improving the efficiency of the staff. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a foundation pit protection device.

[0006] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: a foundation pit protection device, comprising two mutually symmetrical bases, support rods fixed on the upper surfaces of the bases and a guardrail body installed together on the two support rods, the bottom surface of the base is provided with a rotation groove, an anchor rod is rotatably arranged in the rotation groove, a first connecting groove is penetrated through the upper surface of the support rod, a second connecting groove connected to the rotation groove is provided on the upper surface of the base, a rotating rod is rotatably arranged in the first connecting groove and the second connecting groove, the bottom surface of the rotating rod is fixed to the anchor rod, and a support component for improving the supporting effect of the anchor rod is provided on the anchor rod.

[0007] By adopting the above technical solution, when the staff needs to install the protective device, the staff needs to move the protective device to the target position and make the anchor rod contact with the soil. Then, the staff needs to press down the support rod and rotate the rotating rod at the same time, so that the anchor rod can rotate with the rotating rod, thereby reducing the difficulty of the anchor rod entering the soil, thereby improving the staff's use experience. Then, when the anchor rod moves into the soil, the staff only needs to open the support assembly to connect the limit block with the soil, thereby improving the stability of the anchor rod and reducing the difficulty of operation for the staff.

[0008] Furthermore, a threaded groove is provided on the upper surface of the rotating rod, a first mounting groove is provided on the inner bottom wall of the threaded groove, a second mounting groove is provided on the upper surface of the anchoring rod, a plurality of limit grooves are penetrated through the inner wall of the second mounting groove, and the supporting assembly includes a sliding rod slidably arranged in the first mounting groove and the second mounting groove and a limit block slidably arranged in the limit groove, and an inclined surface is provided on the edge where the upper surface of the limit block intersects with the side wall close to the second mounting groove.

[0009] Furthermore, a threaded rod is threadedly connected in the threaded groove, and the bottom surface of the threaded rod is rotatably connected to the sliding rod.

[0010] By adopting the above technical solution, when the anchor rod moves into the soil, the staff only needs to rotate the threaded rod to move the threaded rod downward, so that the sliding rod moves downward with the threaded rod, and then the bottom surface of the sliding rod is pressed against the inclined surface, so that multiple limit blocks are simultaneously moved in the direction away from the axis of the sliding rod under the action of the sliding rod, and then the limit blocks are connected to the soil.

[0011] Furthermore, a limiting hole is provided on the inner wall of the limiting groove, a placement block is slidably arranged in the limiting hole, and the placement block and the limiting block are fixed to each other.

[0012] By adopting the above technical solution, the probability of the limiting block and the limiting groove being separated from each other is reduced, thereby improving the stability of the device and further improving the user experience of the staff.

[0013] Furthermore, a receiving groove is provided on the inner wall of the limiting hole close to the second placement groove, an elastic rope is fixed on the inner wall of the receiving groove, and the other end of the elastic rope is fixed to the placement block.

[0014] By adopting the above technical solution, when the staff rotates the threaded rod in the opposite direction, the threaded rod moves upward, thereby causing the sliding rod to move upward and separate from the limit block, so that the limit block is automatically reset under the action of the elastic rope, thereby improving the staff's user experience.

[0015] Furthermore, a silicone block is provided on the bottom surface of the sliding rod to reduce the probability of damage to the inclined surface.

[0016] Furthermore, a rotating wheel is provided at the upper end of the side wall of the rotating rod to reduce the difficulty for the staff to rotate the rotating rod.

[0017] Furthermore, a handle is provided at the upper end of the threaded rod to reduce the difficulty for workers to rotate the threaded rod.

[0018] By adopting the above technical solution, such a setting improves the efficiency of the staff and thus improves the staff's user experience.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. In this application, when the staff needs to install the protective device, the staff needs to move the protective device to the target position and make the anchor rod contact with the soil. Then, the staff needs to press down the support rod and rotate the rotating rod at the same time, so that the anchor rod can rotate with the rotating rod, thereby reducing the difficulty of the anchor rod entering the soil, thereby improving the staff's user experience. Then, when the anchor rod is moved into the soil, the staff only needs to open the support assembly to connect the limit block with the soil, thereby improving the stability of the anchor rod and reducing the difficulty of operation for the staff;

[0021] 2. In the present application, when the anchor rod is moved into the soil, the staff only needs to rotate the threaded rod to move the threaded rod downward, so that the slide rod moves downward with the threaded rod, and then the bottom surface of the slide rod is pressed against the inclined surface, so that the multiple limit blocks move away from the axis of the slide rod at the same time under the action of the slide rod, so that the limit blocks are connected to the soil;

[0022] 3. In the present application, when the staff member rotates the threaded rod in the opposite direction, the threaded rod moves upward, thereby causing the sliding rod to move upward and separate from the limit block, so that the limit block is automatically reset under the action of the elastic rope, thereby improving the staff member's user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of the thread groove and its connection structure of an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the limit groove and its connection structure of an embodiment of the utility model;

[0026] Figure 4 This is a schematic diagram of a receiving groove and its connection structure in an embodiment of the utility model;

[0027] Figure 5 It is a schematic diagram of the support assembly and its connection structure of an embodiment of the utility model.

[0028] In the figure: 1. base; 11. support rod; 2. guardrail body; 21. rotating groove; 3. anchor rod; 31. first connecting groove; 4. second connecting groove; 41. rotating rod; 42. threaded groove; 43. first mounting groove; 44. second mounting groove; 45. limiting groove; 5. supporting assembly; 51. sliding rod; 52. limiting block; 6. threaded rod; 61. limiting hole; 7. mounting block; 71. receiving groove; 8. elastic rope; 81. silicone block; 82. rotating wheel; 9. handle. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0030] like Figure 1-5 As shown, the embodiment of the present application discloses a foundation pit protection device, including a base 1, a support rod 11, a guardrail body 2, an anchor rod 3, a rotating rod 41, a support assembly 5, a threaded rod 6, a placement block 7 and an elastic rope 8. The base 1 is provided with two and symmetrical to each other, and the support rod 11 is a rod-shaped structure. The support rod 11 is provided with two and respectively fixed to the upper surface of the two bases 1. The guardrail body 2 is installed together on the two support rods 11 for protecting pedestrians. A rotating groove 21 is provided on the bottom surface of the base 1, and the anchor rod 3 is rotatably arranged in the rotating groove 21. A first connecting groove 31 is provided through the upper surface of the support rod 11, and a second connecting groove 4 is provided on the upper surface of the base 1 to communicate with the rotating groove 21. The rotating rod 41 is a round rod-shaped structure, and the rotating rod 41 is rotatably arranged in the first connecting groove 31 and the second connecting groove 4, and the bottom surface of the rotating rod 41 is fixed to the anchor rod 3.

[0031] A thread groove 42 is provided on the upper surface of the rotating rod 41, a first placement groove 43 is provided on the inner bottom wall of the thread groove 42, a second placement groove 44 is provided on the upper surface of the anchor rod 3, and a plurality of limit grooves 45 are provided through the inner wall of the second placement groove 44. The support assembly 5 is arranged on the anchor rod 3 to improve the support effect of the anchor rod 3, and the support assembly 5 includes a slide bar 51 and a limit block 52. The slide bar 51 is a round rod-shaped structure, and the slide bar 51 is slidably arranged in the first placement groove 43 and the second placement groove 44. The limit block 52 is a block-shaped structure, and the limit block 52 is slidably arranged in the limit groove 45, and an inclined surface is provided on the edge where the upper surface of the limit block 52 intersects with the side wall thereof close to the second placement groove 44. The threaded rod 6 is threadedly connected in the thread groove 42, and the bottom surface of the threaded rod 6 is rotatably connected to the slide bar 51.

[0032] When the anchor rod 3 moves into the soil, the staff only needs to rotate the threaded rod 6 to move the threaded rod 6 downward, so that the sliding rod 51 moves downward with the threaded rod 6, and then the bottom surface of the sliding rod 51 presses against the inclined surface, so that multiple limit blocks 52 move away from the axis of the sliding rod 51 at the same time under the action of the sliding rod 51, and then the limit blocks 52 are connected to the soil.

[0033] A limiting hole 61 is provided on the inner wall of the limiting groove 45 . The placement block 7 is a block-shaped structure. The placement block 7 is slidably disposed in the limiting hole 61 , and the placement block 7 and the limiting block 52 are fixed to each other.

[0034] The placement block 7 reduces the probability of the limiting block 52 and the limiting groove 45 being separated from each other, thereby improving the stability of the device and further improving the user experience of the staff.

[0035] An accommodating groove 71 is provided on the inner wall of the limiting hole 61 near the second placement groove 44, one end of the elastic cord 8 is fixed on the inner wall of the accommodating groove 71, and the other end of the elastic cord 8 is fixed to the placement block 7. When the staff member rotates the threaded rod 6 in the opposite direction, the threaded rod 6 moves upward, thereby causing the sliding rod 51 to move upward and separate from the limiting block 52, so that the limiting block 52 is automatically reset under the action of the elastic cord 8, thereby improving the use experience of the staff member.

[0036] In order to extend the service life of the limiting block 52 , a silicone block 81 is provided on the bottom surface of the sliding rod 51 to reduce the probability of damage to the inclined surface.

[0037] In order to improve the efficiency of the staff, a rotating wheel 82 is provided at the upper end of the side wall of the rotating rod 41 to reduce the difficulty of the staff to rotate the rotating rod 41.

[0038] In order to improve the user experience of the staff, a handle 9 is provided at the upper end of the threaded rod 6 to reduce the difficulty of the staff in rotating the threaded rod 6 .

[0039] The use principle of a foundation pit protection device in this embodiment is as follows: when the staff needs to install the protection device, the staff needs to move the protection device to the target position and make the anchor rod 3 contact with the soil. Then, the staff needs to press the support rod 11 downward while rotating the rotating rod 41, so that the anchor rod 3 rotates with the rotating rod 41, thereby reducing the difficulty of the anchor rod 3 entering the soil, thereby improving the staff's use experience. Then, when the anchor rod 3 moves into the soil, the staff only needs to open the support assembly 5 to connect the limit block 52 with the soil, thereby improving the stability of the anchor rod 3 and reducing the difficulty of operation for the staff.

[0040] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A foundation pit protection device, comprising two mutually symmetrical bases (1), a support rod (11) fixed to the upper surface of the base (1), and a guardrail body (2) mounted on the two support rods (11), wherein: The bottom surface of the base (1) is provided with a rotation groove (21), an anchor rod (3) is rotatably arranged in the rotation groove (21), a first connecting groove (31) is penetrated through the upper surface of the support rod (11), a second connecting groove (4) is provided on the upper surface of the base (1) and is interconnected with the rotation groove (21), a rotation rod (41) is rotatably arranged in the first connecting groove (31) and the second connecting groove (4), the bottom surface of the rotation rod (41) and the anchor rod (3) are fixed to each other, and a support assembly (5) for improving the supporting effect of the anchor rod (3) is provided on the anchor rod (3).

2. A foundation pit protection device according to claim 1, characterized in that: The upper surface of the rotating rod (41) is provided with a thread groove (42), the inner bottom wall of the thread groove (42) is provided with a first mounting groove (43), the upper surface of the anchor rod (3) is provided with a second mounting groove (44), the inner wall of the second mounting groove (44) is provided with a plurality of limit grooves (45), the supporting assembly (5) comprises a sliding rod (51) slidably arranged in the first mounting groove (43) and the second mounting groove (44), and a limit block (52) slidably arranged in the limit groove (45), and an inclined surface is provided on the edge where the upper surface of the limit block (52) intersects with the side wall close to the second mounting groove (44).

3. A foundation pit protection device according to claim 2, characterized in that: The threaded groove (42) is internally threadedly connected to a threaded rod (6), and the bottom surface of the threaded rod (6) is rotatably connected to a sliding rod (51).

4. A foundation pit protection device according to claim 3, characterized in that: A limiting hole (61) is provided on the inner wall of the limiting groove (45), a placement block (7) is slidably arranged in the limiting hole (61), and the placement block (7) and the limiting block (52) are fixed to each other.

5. A foundation pit protection device according to claim 4, characterized in that: An accommodating groove (71) is provided on the inner wall of the limiting hole (61) close to the second placement groove (44), an elastic rope (8) is fixed on the inner wall of the accommodating groove (71), and the other end of the elastic rope (8) is fixed to the placement block (7).

6. A foundation pit protection device according to claim 5, characterized in that: The bottom surface of the sliding rod (51) is provided with a silica gel block (81) for reducing the probability of damage to the inclined surface.

7. A foundation pit protection device according to claim 6, characterized in that: A rotating wheel (82) is provided at the upper end of the side wall of the rotating rod (41) for reducing the difficulty for the staff to rotate the rotating rod (41).

8. A foundation pit protection device according to claim 7, characterized in that: The upper end of the threaded rod (6) is provided with a handle (9) for reducing the difficulty for a worker to rotate the threaded rod (6).