Full-assembly pressure-bearing type variable-diameter reinforcement cage expansion head anchor rod pile system

A steel cage and diameter-variable technology, which is applied to sheet pile walls, protection devices, buildings, etc., can solve the problems of anchorage bearing capacity and poor integrity, and achieve the effect of ensuring safety and stability

Pending Publication Date: 2020-04-14
安徽俊力建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The steel cage of a variable-diameter steel cage expansion head anchor pile system can expand the variable diameter and release structure, so that the variable diameter steel cage can work, and can be applied to all expansion bolt technologies to overcome the anchoring capacity of the plain slurry expansion head and poor integrity

Method used

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  • Full-assembly pressure-bearing type variable-diameter reinforcement cage expansion head anchor rod pile system
  • Full-assembly pressure-bearing type variable-diameter reinforcement cage expansion head anchor rod pile system
  • Full-assembly pressure-bearing type variable-diameter reinforcement cage expansion head anchor rod pile system

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Embodiment Construction

[0086] as the picture shows, figure 1 and figure 2 is a connected structure; figure 2 The structure is in the state where the variable diameter steel cage constraint is not opened; Fig. figure 1It is the pile-forming state of the variable-diameter steel cage enlarged head anchor pile system. Centering bracket 1, steel bar connector (connecting nut) 2, anchor bar member 3, concrete or mortar body (concrete body) combined with enlarged head reinforcement cage 4, limiter 5, vertical bar 6, power spring 7, fixing Device 8, flexible mechanism (ring flower piece or ring-shaped fixer) 9, spiral stirrup 10, axial rod (sleeve) 11, pressure bearing plate 12, high-strength nut 13, guide cap 14. The limit nut in the limiter 5 can be of open or closed structure, see the applicant's prior patent application. The stop nut can especially be open. The 15th, the reinforced cage after restraint, the 30th, the stay rope of the grouting pipe, the 31st, the restraint pin, the 32nd restrain...

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Abstract

A full-assembly pressure-bearing type variable-diameter reinforcement cage expansion head anchor rod pile system comprises a variable-diameter reinforcement cage, a steel bar connector and an anchor rod piece. A limiter is a limiting nut. The limiting nut can be of an open or closed structure and the like. The variable-diameter reinforcement cage is limited by the limiting nut and a bottom plate anchor nut to the anchor rod piece (defined position). The anchor rod piece adopts finish rolling or common threaded steel bars. The steel bar connector is used for the length connection of the steel bar end portions of the anchor rod piece. The top of the anchor rod piece and a bottom plate are anchored, and the bottom of the anchor rod piece and the expansion head reinforcement cage, namely the variable-diameter reinforcement cage, are anchored; the variable-diameter reinforcement cage is provided with a restraining and releasing device, and a concrete or cement mortar crystalline portion iscombined with the expansion head variable-diameter reinforcement cage and an axial rod to form the variable-diameter reinforcement cage expansion head anchor rod pile system; and the variable-diameterreinforcement cage expansion head anchor rod pile framework system is fully assembled.

Description

technical field [0001] The invention relates to an anchor pile, especially a variable-diameter steel cage and its expanded body anchor pile system, which is mainly used in technical fields such as building basement anti-floating foundation pit support, slope support, and reinforcement, and is also used for Compression piles. The present invention can provide larger pull-out resistance, stable and reliable anchor rod and skeleton, reduce environmental pollution, save energy and protect the environment, and is a device and application technology for improving efficiency and speeding up project progress. Background technique [0002] Straight-through or enlarged head bolt technology is a new type of underground engineering application technology, which is in line with the spirit of "energy saving, emission reduction, and green development" advocated by the state. Compared with the general traditional technology, it is more economical and environmentally friendly in solving bas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/74E02D5/76E02D31/12
CPCE02D5/74E02D5/76E02D31/12
Inventor 王林陶刚王军
Owner 安徽俊力建设有限公司
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