GFRP assembly type pier body steel bar positioning device

By using a multi-set positioning plate and support rod structure made of GFRP material, the problems of easy deformation and high cost of existing rebar positioning devices are solved, achieving precise positioning and economical construction.

CN223593227UActive Publication Date: 2025-11-25THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV +1
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Patent Information

Application Number
CN202422971936.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-25
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The existing positioning devices for pre-embedded steel bars in the pier body are prone to deformation and inaccurate positioning, and the construction is difficult and costly.

Method used

A multi-set positioning plate and support rod structure made of GFRP material is fixed by connecting ear plates of arc-shaped and straight positioning plates and fasteners to form an assembled rebar positioning device, which enhances positioning accuracy and reduces costs.

Benefits of technology

It achieves precise and stable positioning of reinforcing bars, reduces construction difficulty and cost, and facilitates installation, disassembly and transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pier body steel bar positioning, in particular to a GFRP assembly type pier body steel bar positioning device. Comprising a plurality of sets of positioning plates and supporting rods connected between the positioning plates, a plurality of steel bar positioning holes are formed in the positioning plates, and the steel bar positioning holes in the positioning plates are jointly used for fixing steel bars; the positioning plate comprises an arc-shaped positioning plate and a linear positioning plate, the arc-shaped positioning plate and the linear positioning plate are fixed through a connecting lug plate, the connecting lug plate comprises an arc-shaped section positioning lug plate and a linear section positioning lug plate, and the arc-shaped section positioning lug plate and the linear section positioning lug plate are respectively fixed with the arc-shaped positioning plate and the linear positioning plate. Different groups of positioning plates are connected into a whole through the supporting rods, the fixing strength of the positioning plates is guaranteed, the positioning effect of reinforcing steel bars is further guaranteed, the arc-shaped positioning plates and the linear positioning plates are connected through the connecting lug plates and the fasteners, and disassembly and assembly are convenient.
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Description

Technical Field

[0001] This utility model relates to the field of pier reinforcement positioning technology, specifically a GFRP prefabricated pier reinforcement positioning device. Background Technology

[0002] Existing fixtures for positioning pre-embedded reinforcing bars in pier bodies are mostly single-layer or double-layer positioning clamps made of steel plates through cutting and welding. They have advantages such as ease of processing and good stability, and can basically meet the positioning requirements of pre-embedded reinforcing bars in pier bodies. However, there are also problems in practical applications. The steel plates are prone to deformation, which leads to inaccurate positioning, and installation, dismantling, and transportation are relatively troublesome.

[0003] To address these issues, thicker, stronger steel plates and more sophisticated mechanical assembly methods are typically employed. However, these methods, while enhancing the positioning effect of the embedded reinforcing bars in the pier, incur excessively high costs and present significant construction difficulties, resulting in poor economic efficiency. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a GFRP prefabricated pier rebar positioning device that can enhance the positioning effect of the pre-embedded rebar in the pier body while controlling the cost to a lower level.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a GFRP prefabricated pier rebar positioning device, comprising multiple sets of positioning plates and a support rod connected between each set of positioning plates. The positioning plates are provided with multiple rebar positioning holes, and the rebar positioning holes on the multiple positioning plates are used together to fix the rebar.

[0006] The positioning plate includes an arc-shaped positioning plate and a straight positioning plate, which are fixed together by connecting lugs. The connecting lugs include an arc-shaped segment positioning lug and a straight segment positioning lug, which are fixed to the arc-shaped positioning plate and the straight positioning plate respectively. The arc-shaped segment positioning lug is located above or below the straight segment positioning lug and the two are tightly fitted together. A through hole is provided at the center of the arc-shaped segment positioning lug and the straight segment positioning lug, and a fastener is provided in the through hole for connecting and fixing the arc-shaped positioning plate and the straight positioning plate.

[0007] Furthermore, the fastener includes a fastening bolt and a fastening nut, wherein the fastening bolt passes through the through holes of the arc-shaped positioning ear plate and the straight-shaped positioning ear plate.

[0008] Furthermore, the positioning plate has a lattice with multiple threaded holes, and the two ends of the support rod are respectively connected to the threaded holes of the two positioning plates.

[0009] Furthermore, the support rod has threaded rod heads at both ends, and the threads are in opposite directions.

[0010] Further, the reinforcing steel positioning hole is U-shaped.

[0011] Further, the reinforcing steel positioning hole is U-shaped.

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

[0013] The utility model discloses a plurality of support rods are set up, connect different groups positioning board in an organic whole, guarantee the fixed strength of positioning board, and then guarantee the positioning effect of reinforcing steel, and the connecting place of arc positioning board and straight line positioning board is the position of greater stress, and the two are connected through connecting lug plate and fastener, and the dismounting is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic view of embodiment 1 of the utility model;

[0015] Figure 2 It is the structure schematic view of connecting lug plate and fastener of embodiment 1 of the utility model;

[0016] Figure 3 It is the structure schematic view of support rod of embodiment 1 of the utility model;

[0017] Figure 4 It is the structure schematic view of reinforcing steel positioning hole of embodiment 1 of the utility model;

[0018] In the drawing:

[0019] 1, arc positioning board;2, connecting lug plate;21, arc section positioning lug plate;22, straight line section positioning lug plate;3, straight line positioning board;4, fastener;41, fastening bolt;42, fastening nut;5, support rod;51, threaded rod head;6, reinforcing steel positioning hole;61, elastic protrusion. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.

[0021] Embodiment 1:

[0022] By Figures 1-4As shown, a GFRP assembled pier body reinforcement positioning device, comprising a plurality of positioning plates, a support rod 5 connected between each set of positioning plates, a plurality of reinforcement positioning holes 6 are arranged on the positioning plates, and the reinforcement positioning holes 6 on the plurality of positioning plates are used together to fix the reinforcement; the positioning plate is made of GFRP material.

[0023] The positioning plate comprises an arc-shaped positioning plate 1 and a straight-line positioning plate 3, and the arc-shaped positioning plate 1 and the straight-line positioning plate 3 are fixed through a connecting lug plate 2, the connecting lug plate 2 comprises an arc-shaped segment positioning lug plate 21 and a straight-line segment positioning lug plate 22, the arc-shaped segment positioning lug plate 21 and the straight-line segment positioning lug plate 22 are fixed with the arc-shaped positioning plate 1 and the straight-line positioning plate 3 respectively, the arc-shaped segment positioning lug plate 21 is located above or below the straight-line segment positioning lug plate 22 and tightly adheres to the straight-line segment positioning lug plate 22, and a through hole is arranged at the center position of the arc-shaped segment positioning lug plate 21 and the straight-line segment positioning lug plate 22,

[0024] A fastener 4 is arranged in the through hole, which is used to connect and fix the arc-shaped positioning plate 1 and the straight-line positioning plate 3, improve the local shear resistance, and strengthen the positioning accuracy of the single-layer positioning plate. The overall assembled positioning device is well stressed, can improve the positioning effect while reducing the cost, and prolongs the service life of the structure.

[0025] The fastener 4 comprises a fastening bolt 41 and a fastening nut 42, and the fastening bolt 41 penetrates the through holes of the arc-shaped segment positioning lug plate 21 and the straight-line segment positioning lug plate 22.

[0026] A plurality of threaded holes are arranged on the positioning plate at intervals, and the two ends of the support rod 5 are connected with the threaded holes of the upper and lower positioning plates respectively. Threaded rod heads 51 are arranged at the two ends of the support rod 5, and the threaded directions are opposite. By tightening force, each layer of positioning plate is connected to form a multi-layer assembled positioning device, which plays a role in supporting the upper load and transferring the load to the bottom of the device, and enhances the integrity and stability of the device. While ensuring the positioning accuracy of the reinforcement, the vertical reinforcement is well supported, the bending deformation of the reinforcement caused by eccentricity is reduced through the circumferential support effect, thereby achieving the beneficial effects of ensuring the safe installation of the pier body reinforcement and reliable quality.

[0027] The reinforcement positioning hole 6 is U-shaped. Two elastic protrusions 61 are arranged on the inner side wall near the opening of the reinforcement positioning hole 6 respectively, and the gap between the two elastic protrusions 61 is smaller than the diameter of the reinforcement. It is used to prevent the reinforcement from coming off. The inner side of the reinforcement positioning hole 6 is ground to increase the friction between the reinforcement and the pier body embedded reinforcement and to strengthen the positioning performance.

[0028] The pier body embedded steel bars are installed and bound through the steel bar positioning holes 6 of each layer of positioning plates, the distance between the pier body embedded force steel bars can be accurately controlled, when the multi-layer positioning plates are connected and assembled to form an integral device, a good supporting effect can be achieved, the steel bar bending deformation is reduced and the steel bar is prevented from falling down, meanwhile, each layer of positioning plates is composed of two arc-shaped positioning plates 1 and two straight positioning plates 3, the arc-shaped positioning plates 1 and the straight positioning plates 3 are connected through the connecting lug plates 2 and are reinforced through the fasteners 4, the support rods 5 are screwed to support and connect between the positioning plates of each layer, an assembled structure is formed, the positioning and supporting effect is ensured, the installation before construction and the disassembly after construction are facilitated, the transportation is convenient and the positioning plates can be repeatedly used, the GFRP profiles have the characteristics of wear resistance and deformation resistance, the positioning effect is improved, the cost is reduced and the economy is increased.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A GFRP fabricated pier shaft reinforcement positioning device, characterized in that: The positioning plate comprises a plurality of sets of positioning plates, and a support rod connected between each set of positioning plates, wherein the positioning plates are provided with a plurality of steel bar positioning holes, and the steel bar positioning holes on the plurality of positioning plates are used for fixing steel bars together. The positioning plate comprises an arc-shaped positioning plate and a straight-line positioning plate, and the arc-shaped positioning plate and the straight-line positioning plate are fixed through a connecting lug plate, wherein the connecting lug plate comprises an arc-shaped lug plate and a straight-line lug plate, the arc-shaped lug plate and the straight-line lug plate are fixed with the arc-shaped positioning plate and the straight-line positioning plate respectively, the arc-shaped lug plate is located above or below the straight-line lug plate and closely adheres to the straight-line lug plate, a through hole is arranged at the center position of the arc-shaped lug plate and the straight-line lug plate, a fastener is arranged in the through hole, and the fastener is used for connecting and fixing the arc-shaped positioning plate and the straight-line positioning plate.

2. The GFRP fabricated pier shaft reinforcement positioning device according to claim 1, characterized in that: The fastener comprises a fastening bolt and a fastening nut, and the fastening bolt penetrates the through hole of the arc-shaped lug plate and the straight-line lug plate.

3. The GFRP fabricated pier shaft reinforcement positioning device according to claim 1, characterized in that: A plurality of threaded holes are arranged on the positioning plate at intervals, and the two ends of the support rod are connected with the threaded holes of the two positioning plates respectively.

4. The GFRP fabricated pier shaft reinforcement positioning device according to claim 3, characterized in that: The two ends of the support rod are provided with threaded rod heads, and the threaded directions are opposite.

5. The GFRP fabricated pier shaft reinforcement positioning device according to claim 1, characterized in that: The steel bar positioning hole is U-shaped.

6. The GFRP fabricated pier shaft reinforcement positioning device according to claim 5, characterized in that: Two elastic protrusions are respectively arranged on the inner side wall of the steel bar positioning hole close to the opening, and the gap between the two elastic protrusions is smaller than the diameter of the steel bar.