An anchor cable centering support device

A technology for centering brackets and anchor cables, which is applied in the fields of water conservancy and hydropower, geotechnical engineering reinforcement, roads, and bridges. It can solve the problems of anchor cable installation difficulties, cable jamming and prestress loss, etc., so as to improve construction efficiency and improve installation efficiency. The success rate and construction efficiency, and the effect of reducing the friction of the pushing axis

Active Publication Date: 2017-08-11
CHANGJIANG SURVEY PLANNING DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to overcome the existing disadvantages such as difficult installation of anchor cables, serious loss of anchor cables and prestress, and propose a centering support device for anchor cables, which ensures the anchoring quality of anchor cables

Method used

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  • An anchor cable centering support device
  • An anchor cable centering support device
  • An anchor cable centering support device

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Embodiment Construction

[0033] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation of the present invention, but are only examples; at the same time, the advantages of the present invention will become clearer and easier to understand through description.

[0034] refer to Figure 1-5 Shown: an anchor cable centering bracket device, a grouting pipe 1 located at the center, an isolation bracket 2 circumferentially wrapped around the periphery of the grouting tube 1, and a corrugated protection tube 4 located on the outer layer; the isolation bracket 2 Outer grooves 2-1 recessed outward are arranged at intervals on the inner wall, and inner grooves 2-2 recessed inward are arranged at intervals on the outer wall of the isolation bracket 2; in the outer groove 2-1 and the inner recess Steel strands 3 are fixed on the slots 2-2, and the corrugated protection tube 4 is cylindrical and wraps the ...

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Abstract

The invention discloses an anchor cable centering support device, comprising a grouting pipe (1) located at the center, an isolation support (2) circumferentially wrapped around the periphery of the grouting pipe (1), and a corrugated protection pipe located on the outer layer (4) Ring to the outside; on the inner wall of the spacer bracket (2), outwardly recessed outer grooves (2-1) are arranged at intervals, and on the outer wall of the spacer bracket (2), inwardly recessed inner grooves are arranged at intervals. groove (2‑2); steel strands (3) are fixed on the outer groove (2‑1) and the inner groove (2‑2), and the corrugated protection tube (4) is cylindrical body and wraps the isolation bracket (2); on the outer wall of the corrugated protective tube (4), there are equidistant centering bracket bases (7) circumferentially wrapped; it overcomes the difficulty in installation of the existing cable It has the advantages of reducing the prestress loss of the anchor cable and ensuring the reinforcement effect and construction quality of the anchor cable.

Description

technical field [0001] The invention relates to the field of reinforcement treatment of water conservancy and hydropower, roads, bridges, and geotechnical engineering, and more specifically relates to an anchor cable centering support device. Background technique [0002] Since the anchor cable technology was introduced into our country in the 1960s, it has been widely used in many engineering fields, especially in water conservancy and hydropower. At present, anchor cables have become an important technology for the support and reinforcement of dam foundations, slopes, and underground caverns in water conservancy and hydropower projects. The anchor cables are generally arranged side by side with high-strength steel strands, which are manually pushed into the pre-completed rock and soil drilling holes, and then the roots are first grouted and fixed, and then stretched at the exposed end of the slope to Apply reverse pressure to the reinforced rock mass. In order to ensure ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/74
Inventor 李洪斌闫福根邹德兵王汉辉刘权庆王公彬樊少鹏闵征辉
Owner CHANGJIANG SURVEY PLANNING DESIGN & RES
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