Steel bar tool for supporting foundation pit of soil nailing wall

By designing a steel bar tool for foundation pit support of soil nail walls including rope body part and limit part, the problem of cumbersome installation and difficulty in adapting to different steel bar sizes is solved, and efficient and accurate steel bar installation is achieved and construction quality and efficiency is improved.

CN223034020UActive Publication Date: 2025-06-27CONSTR & INSTALLATION ENG THE THIRD ENG GROUP OF CHINA RAILWAY +1
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Patent Information

Application Number
CN202421996919.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-06-27
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The installation of steel bars for foundation pit support for traditional soil nail walls is cumbersome and inefficient, and it is difficult to adapt to different steel bar sizes and shapes, which cannot meet the high precision, high efficiency and high safety requirements of modern foundation pit support projects.

Method used

A steel bar tooling including a rope body part and a limiting part is designed. The rope body part is arranged on the earth nail wall through positioning pins and ring sleeves, and the limiting part realizes the precise positioning and fixing of the steel bars through a support plate and a semi-circular ring sleeve.

Benefits of technology

It significantly improves the installation efficiency and accuracy of steel bars, reduces manual positioning and fixing processes, improves construction efficiency and quality, and realizes the removable and reusable workpieces, reducing costs and environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a steel bar tool for supporting a foundation pit of a soil nailing wall, and belongs to the technical field of constructional engineering structures. The steel bar tool for supporting the soil nailing wall foundation pit comprises a rope body part and limiting parts which are arranged on the rope body part and used for inserting the ends of steel bars, the limiting parts are arranged corresponding to the ends of the steel bars, and the limiting parts are detachably connected with the rope body. The steel bar binding and welding device has the advantages of improving the steel bar binding and welding work efficiency, improving the steel bar fixing precision and stability and being reusable.
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Description

Technical Field

[0001] The utility model relates to the technical field of building engineering structures, and particularly relates to a steel bar tooling for soil nailing wall foundation pit support. Background Art

[0002] In civil engineering and the construction industry, the soil nailing wall foundation pit support technology is widely used in the process of foundation pit excavation to prevent the movement and collapse of the surrounding soil and ensure the safe progress of the project. The soil nailing wall is usually composed of materials such as steel bars and concrete. Among them, the steel bar is the main load-bearing member, and its installation and fixing methods are crucial for the stability and safety of the entire support structure.

[0003] There are some problems with the traditional steel bar tooling for soil nailing wall foundation pit support. First, the installation process is cumbersome and requires multiple manual positioning and fixing. This not only has low efficiency but also makes the steel bars prone to deformation and deviation. Second, due to the different lengths and shapes of steel bars, traditional tooling often has difficulty adapting to different steel bar sizes and shapes, resulting in difficult installation or poor installation quality and unable to meet the requirements of modern foundation pit support projects for high precision, high efficiency, and high safety. Content of the Utility Model

[0004] To solve the above technical problems, the utility model proposes a steel bar tooling for soil nailing wall foundation pit support.

[0005] The technical solution of the utility model is realized as follows:

[0006] A steel bar tooling for soil nailing wall foundation pit support includes a rope part and a limiting part provided on the rope part for inserting the end of the steel bar. One limiting part is provided corresponding to the end of each steel bar, and the limiting part is detachably connected to the rope.

[0007] Further, the rope part includes a first rope and a second rope. The first rope is distributed around the edge of the formed steel bar mesh, and the second rope is located at the slope top corner.

[0008] Further, positioning pins for inserting into the soil nailing wall body are provided on the rope parts installed at both sides of the bottom of the slope surface, the top of the slope surface, and both ends of the slope top away from the slope surface.

[0009] Further, the limiting part is sleeved on the rope part through a circular ring.

[0010] Further, the side surface of the circular ring is provided with an opening, and upper and lower connecting plates are provided at the upper and lower ends of the opening. A through hole is provided on the upper connecting plate, and a threaded hole is provided on the lower connecting plate. A bolt passes through the through hole and is connected to the threaded hole.

[0011] Furthermore, a plug rod is provided at the bottom end of the bolt, and the plug rod is used to insert into the ground of the soil nail wall.

[0012] Furthermore, the limiting part includes a support plate, and the upper end of the support plate is in a semi-circular ring structure.

[0013] Furthermore, an arc-shaped groove is formed on the end face of the support plate, a "T"-shaped slider is arranged in the arc-shaped groove, and one end of the "T"-shaped slider far away from the arc-shaped groove is connected with a semi-circular ring sleeve.

[0014] Furthermore, the arc-shaped groove is formed in the semi-circular ring sleeve, and the semi-circular ring sleeve rotates on the end face of the support plate through the "T"-shaped slider.

[0015] Furthermore, a backing plate is installed at the bottom of the lower connecting plate.

[0016] The utility model has the following beneficial effects:

[0017] 1. The steel bar tooling for soil nail wall foundation pit support can greatly improve the installation efficiency and accuracy of steel bars in the construction of soil nail wall foundation pit support. The tooling can quickly and accurately position and fix the steel bars, reducing the cumbersome manual positioning and fixing process in traditional construction, thus significantly improving the construction efficiency.

[0018] 2. The steel bar tooling for soil nail wall foundation pit support can greatly improve the accuracy and stability of steel bar fixing, reducing the influence of human factors on the construction quality. This can not only ensure the stability and safety of the soil nail wall support structure, but also improve the construction quality of the entire project.

[0019] 3. The steel bar tooling for soil nail wall foundation pit support is designed with a detachable and reassemblable structure, thus realizing the possibility of repeated use, not only reducing costs, but also helping to reduce construction waste and environmental pollution. Description of the Drawings

[0020] Figure 1 is a schematic diagram of the steel bar tooling for soil nail wall foundation pit support of the utility model when positioning steel bars;

[0021] Figure 2 is the utility model Figure 1 Enlarged view of part A in;

[0022] Figure 3 is the overall schematic diagram of the limiting part of the utility model;

[0023] Figure 4 is the utility model Figure 3 Exploded schematic diagram of.

[0024] In the figure: 1. Rope body part; 2. Limiting part; 3. First rope body; 4. Second rope body; 5. Positioning pin; 6. Ring; 7. Upper connecting plate; 8. Lower connecting plate; 9. Through hole; 10. Threaded hole; 11. Bolt; 12. Insert rod; 13. Support plate; 14. Arc-shaped groove; 15. "T"-shaped slider; 16. Semi-circular ring housing; 17. Base plate. Detailed implementation manner

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] As Figures 1 to 4 shown, in Embodiment 1, a steel bar tooling for soil nail wall foundation pit support includes a rope body part 1 and a limiting part 2 provided on the rope body part 1 for inserting the end of the steel bar. One limiting part 2 is provided corresponding to the end of each steel bar, and the limiting part 2 is detachably connected to the rope body for the insertion and fixation of the end of the steel bar.

[0027] The rope body part 1 includes a first rope body 3 and a second rope body 4. The first rope body 3 is distributed around the edge of the steel bar mesh, and the second rope body 4 is located at the corner of the slope top.

[0028] Positioning pins 5 for inserting into the soil nail wall body are provided on the rope body part 1 installed on both sides of the bottom of the slope surface, the top of the slope surface, and both ends of the slope top away from the slope surface, so as to insert the rope body part 1 more firmly into the soil nail wall body and provide additional stability. Specifically, positioning pins 5 are provided at the four corners of the first rope body 3, and positioning pins 5 are provided at both ends of the second rope body 4.

[0029] The limiting part 2 is sleeved on the rope body part 1 through a ring 6.

[0030] An opening is provided on the side surface of the ring 6, and an upper connecting plate 7 and a lower connecting plate 8 are provided at the upper and lower ends of the opening. A through hole 9 is provided on the upper connecting plate 7, and a threaded hole 10 is provided on the lower connecting plate 8. A bolt 11 passes through the through hole 9 and is connected to the threaded hole 10 for fixing the ring 6 on the rope body part 1.

[0031] An insert rod 12 is provided at the bottom end of the bolt 11. The insert rod 12 is used for inserting into the ground of the soil nail wall to improve the stability by inserting into the soil nail wall body.

[0032] The limiting part 2 includes a support plate 13. The upper end of the support plate 13 is in a semi-circular ring structure for supporting the steel bar to prevent it from moving.

[0033] An arc-shaped groove 14 is formed in the end face of the support plate 13. A "T"-shaped slider 15 is arranged in the arc-shaped groove 14. One end of the "T"-shaped slider 15 away from the arc-shaped groove 14 is connected with a semi-circular ring sleeve 16.

[0034] An arc-shaped groove 14 is formed in the semi-circular ring sleeve 16. The semi-circular ring sleeve 16 rotates on the end face of the support plate 13 through the "T"-shaped slider 15, which is convenient for fixing the steel bars.

[0035] A backing plate 17 is installed at the bottom of the lower connecting plate 8, which is used to support the steel bars so that the horizontally and vertically distributed steel bars are not in the same plane.

[0036] Before tying the steel bars, fix the positioning pin 5 on the rope body part 1 on the ground of the soil nail wall, and then directly place the steel bars on the limiting part 2, so that the steel bars on the slope and the top are in a mesh distribution state. The steel bars are fixed through the rotational cooperation of the support plate 13 and the semi-circular ring sleeve 16, and then directly tied and welded. During the tying and welding process, the steel bars will not shift. After tying and welding, take it out and store it for convenient use next time.

[0037] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel bar tooling for soil nail wall foundation pit support, characterized in that: It comprises a rope body part (1) and a limiting part (2) arranged on the rope body part (1) for inserting the end of a steel bar, wherein one limiting part (2) is arranged corresponding to the end of each steel bar and the limiting part (2) is detachably connected to the rope body.

2. The steel bar tooling for soil nail wall foundation pit support according to claim 1 is characterized in that: The rope body part (1) comprises a first rope body (3) and a second rope body (4); the first rope body (3) is distributed around the edge of the formed steel mesh, and the second rope body (4) is located at the corner of the slope top.

3. The steel bar tooling for soil nail wall foundation pit support according to claim 1 is characterized in that: Positioning pins (5) for inserting into the soil nail wall are arranged on the rope body parts (1) installed at the bottom of the slope, on both sides of the top of the slope and at both ends of the top of the slope away from the slope.

4. The steel bar tooling for soil nail wall foundation pit support according to claim 1 is characterized in that: The limiting portion (2) is sleeved on the rope body portion (1) via a ring (6).

5. The steel bar tooling for soil nail wall foundation pit support according to claim 4, characterized in that: The side of the circular ring (6) is provided with an opening, and an upper connecting plate (7) and a lower connecting plate (8) are provided at the upper and lower ends of the opening; the upper connecting plate (7) is provided with a through hole (9), and the lower connecting plate (8) is provided with a threaded hole (10); a bolt (11) passes through the through hole (9) and is connected to the threaded hole (10).

6. The steel bar tooling for soil nail wall foundation pit support according to claim 5, characterized in that: The bottom end of the bolt (11) is provided with an insertion rod (12), and the insertion rod (12) is used to be inserted into the ground of the soil nail wall.

7. The steel bar tooling for soil nail wall foundation pit support according to claim 4, characterized in that: The limiting part (2) comprises a support plate (13), and the upper end of the support plate (13) is in a semicircular ring structure.

8. The steel bar tooling for soil nail wall foundation pit support according to claim 7, characterized in that: An arc-shaped groove (14) is formed on the end surface of the support plate (13), a T-shaped slider (15) is arranged in the arc-shaped groove (14), and a semicircular ring casing (16) is connected to one end of the T-shaped slider (15) away from the arc-shaped groove (14).

9. The steel bar tooling for soil nail wall foundation pit support according to claim 8, characterized in that: The arc groove (14) is provided in the semicircular ring casing (16), and the semicircular ring casing (16) rotates on the end surface of the support plate (13) through the "T"-shaped sliding block (15).

10. The steel bar tooling for soil nail wall foundation pit support according to claim 5, characterized in that: A pad (17) is installed at the bottom of the lower connecting plate (8).