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Two-piece anchorage device

A two-piece, anchor technology, applied in the field of anchors, can solve the problems of poor stress state of hydraulic expansion anchors and inability to guarantee support effects, etc.

Inactive Publication Date: 2016-05-18
王晓芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the existing technology, the stress state of most hydraulic expansion bolts after construction is very poor, and it is impossible to guarantee a good support effect

Method used

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  • Two-piece anchorage device

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Embodiment Construction

[0010] The present invention will be further explained below in conjunction with the accompanying drawings.

[0011] A two-piece anchor, characterized in that it includes a supporting plate (1), an anchor ring (2), and an anchor plug (3), and is characterized in that: the supporting plate (1) and the anchor ring ( 2) Welded together; the supporting plate 1 is square in shape and has a round hole in the center, the anchor plug 3 is two-piece, the vertical section of the anchor plug 3 is a right-angled trapezoid, and the bottom angle of the right-angled trapezoid is It is 75°~77°.

[0012] The above content is only a preferred embodiment of the present invention, and is not intended to limit the implementation of the present invention. Appropriate modifications or modifications made by those skilled in the art according to the concept of the present invention should be within the scope of protection of the present invention. Inside.

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Abstract

The invention discloses a two-piece anchorage device. The two-piece anchorage device is characterized by comprising a supporting plate (1), an anchor ring (2) and an anchor plug (3) and is also characterized in that the supporting plate (1) is integrally welded together with the anchor ring (2); the supporting plate (1) is square and provided with a circular hole at the center; the anchor plug (3) is in the form of two pieces; the vertical section of the anchor plug (3) is in the form of a right trapezoid; and the bottom angle of the right trapezoid is 75-77 DEG. The two-piece anchorage device disclosed by the invention has the advantages of convenient manufacturing, reasonable application method, simple structure, energy-saving and environment friendly properties, economic efficiency, durability, practicability and high efficiency according to a simple principle; therefore, the two-piece anchorage device is convenient and practical.

Description

technical field [0001] The invention relates to the field of anchors, in particular to a two-piece anchor. Background technique [0002] The prior art results in poor stress state of most hydraulic expansion bolts after construction, which cannot guarantee a good supporting effect. Therefore, how to apply pre-tightening force to the hydraulic expansion bolt in time during roadway support construction is a problem that needs to be solved urgently in the underground field. Contents of the invention [0003] In view of the above problems, the technical problem to be solved by the present invention is to provide a two-piece anchorage with simple structure, convenient operation, economical and durable. [0004] A two-piece anchor, characterized in that it includes a supporting plate (1), an anchor ring (2), and an anchor plug (3), and is characterized in that: the supporting plate (1) and the anchor ring ( 2) welded together; the supporting plate 1 is square in shape and has ...

Claims

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Application Information

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IPC IPC(8): E21D21/00
Inventor 王晓芳
Owner 王晓芳
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