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Wing type anchor rod

A bolt and wing-type technology, which is applied in the installation of bolts, mining equipment, earthwork drilling and mining, etc., can solve the problems such as the expansion of the end of the bolt, and achieve the effects of good support effect, convenient use and simple structure

Inactive Publication Date: 2015-09-23
XUZHOU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing construction method cannot solve the problem of the expansion of the end of the anchor rod, the present invention provides a wing-type anchor rod, which can achieve the purpose of expanding the end of the anchor section while adapting to the general construction method. Good effect, remarkable engineering benefit

Method used

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  • Wing type anchor rod

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Embodiment Construction

[0011] exist figure 1 Among them, the wing-type anchor rod includes: anchor nut 1, washer plate 2, anchor rod body 3, stop pin 4, push-wing steel pipe 5, positioning rib 6, wing 7, opened wing 7-1, Steel bar ring 8, wing curved ring 9, support station column 10; the wing anchor has a cylindrical anchor body 3, and the bottom of the anchor body 3 is provided with expandable plate-shaped wings 7, Steel bar ring 8 and wing curved ring 9 are provided with support stand column 10 between wing wing bend ring 9 and anchor rod body 3, and support station column 10 is welded together with anchor rod body 3, and wing bend ring 9 ends Welded at the root of the wing 7, and fastened in the hole of the steel ring 8 between the two supporting station columns 10, a push-wing steel pipe 5 is slid on the top of the steel ring 8, and on the surface of the push-wing steel pipe 5 120 degrees evenly distributed and welded with steel positioning ribs 6; on the anchor rod body 3 above the push-wing ...

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Abstract

The present invention discloses a wing type anchor rod. A lower portion of an anchor rod body is provided with plate-shaped wings which can be expanded, a steel bar circular ring and a wing bended ring; supporting standing columns are disposed between the wing bended ring and the anchor rod body; the supporting standing columns are welded with the anchor rod body; one end of the wing bended ring is welded to root portions of the wings and is buckled in a hole, between the two supporting standing columns, of the steel bar circular ring; a wing pushing steel pipe slidably sleeves over the steel bar circular ring; steel bar positioning ribs are uniformly welded and distributed on a surface of the wing pushing steel pipe with 120 degrees; retaining pins are welded on the anchor rod body over the wing pushing steel pipe; and a gasket plate and an anchoring nut are installed over the retaining pins. According to the wing type anchor rod, the purpose of expanding an end portion of an anchoring segment can be achieved when existing construction conditions are satisfied. The wing type anchor rod is simple in structure and convenient to use, and has good supporting effect and substantial engineering benefit.

Description

technical field [0001] The invention relates to a bolt used for roadway anchoring, in particular to a wing-type bolt capable of expanding the end of the bolt under the existing construction method. Background technique [0002] In engineering applications, in order to improve the anchoring force of a single anchor, the end of the anchor is often enlarged by the end reaming method, and then the anchor is pulled by grouting. This can increase the stress on the reaming bolt and increase the anchoring effect, but the disadvantage is that the increase in the side resistance of the anchorage section is small, and the force-bearing effect is relatively weak. And because the anchoring force of the anchor rod is mainly provided by the side resistance of the anchorage section, and the stability and reliability of this area directly determine the safety of the entire project, accidents of separation between the rod body and the anchoring body occur from time to time, resulting in serio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D21/00E21D20/02
Inventor 臧秀平唐硕
Owner XUZHOU UNIV OF TECH
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