Anti-occlusion support pile reinforcement cage

By adding protective components to the steel cage, the problems of deformation and interlocking caused by concrete impact during construction were solved, thereby improving the strength of the steel cage and ensuring smooth construction.

CN224173300UActive Publication Date: 2026-04-28聊城市市政工程管理服务中心
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
聊城市市政工程管理服务中心
Filing Date
2025-05-20
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

The existing support pile reinforcement cage is prone to deformation or displacement due to concrete impact during construction, resulting in interlocking and affecting the extraction of the outer casing.

Method used

Protective components, including protective parts and mounting parts, are added to the steel cage. The protective parts are located at the quadrant points of the main reinforcement bars and contact the inner wall of the outer sleeve. The mounting parts fix the protective parts to prevent the main reinforcement bars from bending. External reinforcing bars are added and welded to the end rings to improve the strength of the steel cage.

Benefits of technology

This effectively prevents the reinforcing cage from contacting the outer casing, thus preventing deformation, improving the overall strength of the reinforcing cage, and ensuring smooth construction.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224173300U_ABST
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Abstract

The utility model discloses an anti-occlusion support pile reinforcement cage. The anti-occlusion support pile reinforcement cage comprises a plurality of main reinforcements which are annularly arranged, the coiled ribs are spirally wound outside the plurality of main ribs and are welded and fixed with the coiled ribs; a protection assembly is further arranged outside the main reinforcements and comprises protection parts and installation parts, the protection parts are arranged outside the coiled reinforcements and located on quadrant points of a circular section formed by the multiple main reinforcements, the installation parts are located at the two ends of the protection parts, the protection parts are fixed through the installation parts, and the installation parts are fixedly arranged on the main reinforcements. According to the utility model, the steel reinforcement cage and the outer sleeve are completely separated through the additionally arranged protection assembly, the contact phenomenon between the steel reinforcement cage and the outer sleeve is avoided, meanwhile, the strength of the whole steel reinforcement cage can be improved, the phenomenon that the steel reinforcement cage is bent due to overlarge impact force during concrete pouring is avoided, the defects of the existing structure in use are overcome, and the service life of the steel reinforcement cage is prolonged. Meanwhile, the protection assembly is convenient to install and easy to machine.
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Description

Technical Field

[0001] This utility model belongs to the field of steel cage technology, specifically relating to a steel cage for anti-biting support piles. Background Technology

[0002] The steel cage for retaining piles is a key component used in deep foundation pits, slopes, and other engineering projects to enhance the structural strength and stability of retaining piles. It is usually assembled by welding or binding processes from longitudinal main bars, transverse stirrups, and stiffening hoops. The main bars are arranged longitudinally along the pile body at the designed spacing to withstand tensile and compressive stresses. The stirrups are arranged in a ring or spiral shape around the main bars to restrain the concrete and improve shear resistance. The stiffening hoops are used to enhance the overall rigidity of the cage.

[0003] During the construction of interlocking support piles, because the outer diameter of the reinforcing cage is very close to the inner diameter of the outer sleeve, once concrete is poured, the concrete impacts the reinforcing cage, which may cause the reinforcing cage to deform or shift and tilt. When the outer sleeve is pulled out later, it is often stuck by the deformed reinforcing cage, so there are certain limitations in actual use. Utility Model Content

[0004] The purpose of this utility model is to provide an anti-biting support pile reinforcement cage to solve the problem of deformation biting in existing support pile reinforcement cages mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a steel reinforcement cage for anti-biting support piles, comprising multiple main reinforcement bars arranged in a ring; spiral reinforcement bars, spirally wound around the outside of the multiple main reinforcement bars and welded and fixed to the spiral reinforcement bars; a protective component is also provided outside the main reinforcement bars, the protective component comprising: a protective member, disposed outside the spiral reinforcement bars, the protective member being located at a quadrant point of the circular cross-section formed by the multiple main reinforcement bars, the protective member being able to enhance the strength of the main reinforcement bars and the spiral reinforcement bars, and being able to contact the inner wall of the outer sleeve through the protective member, preventing the main reinforcement bars from bending and causing biting; and mounting members, located at both ends of the protective member, the mounting members being used to fix the protective member, ensuring that the protective member will not separate from the main reinforcement bars and the spiral reinforcement bars, the mounting members being fixed to the main reinforcement bars.

[0006] Preferably, the protective component consists of four external reinforcing bars, the length of which is less than or equal to the length of the main reinforcing bar, while the diameter of the external reinforcing bars is greater than the diameter of the main reinforcing bar.

[0007] Preferably, the mounting component is an end ring, of which two are provided and distributed at both ends of the main reinforcement. Through holes are provided on the surface of the end ring for multiple main reinforcements to pass through, facilitating installation. At least two limiting nuts are screwed onto the multiple main reinforcements, positioned below the two end rings. A groove is provided at the edge of each end ring, into which the outer reinforcing reinforcement is inserted and welded. When installing the end ring, the lower end ring is first fitted in, followed by the screwing in of the limiting nut. For the upper end ring, the limiting nut is screwed in first, the end ring is placed in, and finally the outer reinforcing reinforcement is inserted into the groove and welded.

[0008] Preferably, a portion of the external reinforcing bar protrudes outside the end ring, and the protruding portion of the external reinforcing bar contacts the inner wall of the external pipe. The contact is achieved through the external reinforcing bar, and the strength of the entire reinforcing cage can be improved through the external reinforcing bar.

[0009] Preferably, an inner corner groove is formed at the inner corner of the top of the end ring, and an outer corner groove is formed at the outer corner of the top of the end ring. The inner and outer corner grooves facilitate the downward flow of concrete and prevent a large amount of concrete from being blocked by the end ring.

[0010] Preferably, the main reinforcement bar is further provided with multiple sets of reinforcing members, which are at least two supporting bars, and the two supporting bars can enhance the supporting capacity of the main reinforcement bar.

[0011] Preferably, the diameter of the supporting rib is larger than the diameter of the coiled rib, and the multiple sets of supporting ribs are distributed at equal intervals.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In this utility model, the added protective component completely separates the steel cage from the outer sleeve, preventing contact between the two. It also enhances the overall strength of the steel cage, preventing bending due to excessive impact during concrete pouring. This addresses the shortcomings of the existing structure in use. Furthermore, the protective component is easy to install and process. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This utility model Figure 1 Enlarged view of region A in the middle;

[0016] Figure 3 This is a schematic diagram showing the connection between the end ring and the main reinforcement of this utility model.

[0017] In the picture:

[0018] 100. Main reinforcement; 101. Coiled reinforcement; 102. Limiting nut; 103. Supporting reinforcement;

[0019] 200, end ring; 200a, inner corner groove; 200b, outer corner groove; 200c, slot; 200d, through hole; 201, external reinforcing rib. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1 to 3 This utility model provides a technical solution: a steel cage for anti-biting support piles, comprising...

[0022] Multiple main reinforcing bars arranged in a ring shape 100;

[0023] The coiled reinforcement 101 is spirally wound around the outside of multiple main reinforcement bars 100 and welded and fixed to the coiled reinforcement 101;

[0024] The main reinforcing bar 100 is also provided with a protective component, which includes:

[0025] The protective component is installed on the outside of the coiled rib 101. The protective component is located at the quadrant point of the circular cross section formed by multiple main ribs 100. The protective component can enhance the strength of the main ribs 100 and the coiled rib 101, and can contact the inner wall of the outer sleeve through the protective component to prevent the main ribs 100 from bending and causing the phenomenon of biting.

[0026] The mounting components are located at both ends of the protective component. The protective component is fixed by the mounting components to ensure that the protective component will not separate from the main reinforcement 100 and the coil reinforcement 101. The mounting components are fixed on the main reinforcement 100.

[0027] In this embodiment, preferably, the protective component consists of four external reinforcing bars 201. The length of the external reinforcing bars 201 is less than or equal to the length of the main reinforcing bar 100, while the diameter of the external reinforcing bars 201 is greater than the diameter of the main reinforcing bar 100.

[0028] In this embodiment, preferably, the mounting component is an end ring 200. Two end rings 200 are provided and distributed at both ends of the main rib 100. Through holes 200d are opened on the surface of the end ring 200 for multiple main ribs 100 to pass through, thereby facilitating installation. At least two limiting nuts 102 are screwed on the multiple main ribs 100. The limiting nuts 102 are located below the two end rings 200. A groove 200c is also opened at the edge of the end ring 200. The external reinforcing rib 201 is inserted into the groove 200c and the two are welded together. When installing the end ring 200, the lower end ring 200 is first put on, and then the limiting nut 102 is screwed in. When installing the upper end ring 200, the limiting nut 102 is screwed in first, then the end ring 200 is put in, and finally the external reinforcing rib 201 is inserted into the groove 200c to achieve welding.

[0029] In this embodiment, preferably, a portion of the outer reinforcing bar 201 protrudes to the outside of the end ring 200. The protruding portion of the outer reinforcing bar 201 contacts the inner wall of the external pipe, and the contact is achieved through the outer reinforcing bar 201. The strength of the entire steel cage can be improved through the outer reinforcing bar 201.

[0030] In this embodiment, preferably, an inner corner groove 200a is formed at the inner corner of the top of the end ring 200, and an outer corner groove 200b is formed at the outer corner of the top of the end ring 200. By setting the inner corner groove 200a and the outer corner groove 200b, the concrete can be easily guided downward and flowed, avoiding a large amount of concrete being blocked by the end ring 200.

[0031] In this embodiment, preferably, the main reinforcement 100 is further provided with multiple sets of reinforcing members, which are at least two supporting ribs 103. The two supporting ribs 103 can enhance the supporting capacity of the main reinforcement 100.

[0032] In this embodiment, preferably, the diameter of the support rib 103 is larger than the diameter of the coil rib 101, and multiple sets of support ribs 103 are distributed at equal intervals.

[0033] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A steel cage for anti-biting support piles, comprising: Multiple main reinforcing bars arranged in a ring (100); The coiled reinforcement (101) is spirally wound around the outside of multiple main reinforcement bars (100) and welded to the coiled reinforcement (101) for fixation; Its features are: The main reinforcing bar (100) is further provided with a protective component, which includes: The protective component is disposed outside the coil (101) and is located at a quadrant point of the circular cross-section formed by multiple main ribs (100). The mounting components are located at both ends of the protective component and are fixed to the main rib (100).

2. The anti-biting support pile reinforcement cage according to claim 1, characterized in that: The protective component consists of four external reinforcing bars (201), the length of which is less than or equal to the length of the main reinforcing bar (100), and the diameter of which is greater than the diameter of the main reinforcing bar (100).

3. The anti-biting support pile reinforcement cage according to claim 2, characterized in that: The mounting component is an end ring (200), and there are two end rings (200) distributed at both ends of the main rib (100). A through hole (200d) is opened on the surface of the end ring (200) for multiple main ribs (100) to pass through. At least two limiting nuts (102) are screwed on the multiple main ribs (100). The limiting nuts (102) are located below the two end rings (200). A slot (200c) is also opened at the edge of the end ring (200). The external reinforcing rib (201) is inserted into the slot (200c) and the two are welded and fixed.

4. The anti-biting support pile reinforcement cage according to claim 3, characterized in that: A portion of the external reinforcing rib (201) protrudes to the outside of the end ring (200), and the protruding portion of the external reinforcing rib (201) contacts the outer inner wall of the pipe.

5. The anti-biting support pile reinforcement cage according to claim 3, characterized in that: An inner corner groove (200a) is formed at the inner corner of the top of the end ring (200), and an outer corner groove (200b) is formed at the outer corner of the top of the end ring (200).

6. The anti-biting support pile reinforcement cage according to claim 1, characterized in that: The main reinforcement (100) is further provided with multiple sets of reinforcing members, which are at least two supporting reinforcements (103).

7. The anti-biting support pile reinforcement cage according to claim 6, characterized in that: The diameter of the supporting rib (103) is larger than the diameter of the coiled rib (101), and the multiple sets of supporting ribs (103) are distributed at equal intervals.