Anchor bolt

A bolt and rod body technology, which is applied in the installation of bolts, mining equipment, earthwork drilling, etc., can solve the problems of unrecyclable, low work efficiency, low efficiency, etc., and achieve guaranteed work safety, outstanding economic benefits, and reduced cost effect

Inactive Publication Date: 2017-09-01
HUAIBEI ANLAI ELECTROMECHANICAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the roof support is the key to ensure the safety of the roadway, and the existing bolt support has great potential safety hazards due to insufficient anchoring
[0004] Second, the work efficiency is low
Due to the inability to effectively control the anchoring agent in the current anchor rod, the installation speed cannot be increased and the efficiency is low
[0005] Third, the cost is higher
The existing bolt support cannot be recycled after use, resulting in a lot of waste of steel

Method used

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] As shown in the drawings, the present invention mainly includes a first rod body 1, a second rod body 2, a link nut 3, a lock washer 4, a lock nut 5, an unloading nut 6, and the like.

[0013] One end of the first rod body 1 and the second rod body 2 is provided with an external thread corresponding to the link nut 3, and is connected as a whole through the link nut 3;

[0014] The other end of the second rod body 2 has external threads corresponding to the lock washer 4, the lock nut 5, and the unloading nut 6, and the lock washer 4, the unloading nut 6 and the lock nut 5 are installed in sequence at this end.

[0015] Steps for usage:

[0016] Step 1: Connect the first rod body and the second rod body with link nuts. After drilling the top plate underground and laying the bolt hole, first put the anchoring agent in the shape of a ham sausage packaged in a pla...

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Abstract

The invention discloses an anchor bolt and solves the problems of severer potential safety hazard, low working efficiency and higher cost of the conventional anchor bolt. The anchor bolt is characterized by comprising a first rod, a second rod, a linking nut and an unloading nut, wherein an external thread matched with the linking nut is arranged at one end of each of the first rod and the second rod, and the first rod and the second rod are integrally linked through the linking nut; an external thread corresponding to a lock washer, a lock nut and the unloading nut is formed at the other end of the second rod, and the lock washer, the unloading nut and the lock nut are mounted at the end sequentially. One conventional anchor bolt is changed into two pieces capable of being linked together, the anchor bolt is simple in structure, convenient for a worker to operate, high in efficiency, outstanding in economic benefit and recyclable, 60% or high of the cost is reduced as compared with the conventional anchor bolt, and most importantly, the working safety is guaranteed.

Description

technical field [0001] The invention relates to a support bolt, in particular to a safety-guaranteed and recyclable bolt for supporting the top of a roadway excavated underground in a coal mine. Background technique [0002] The problem of the top support of the coal mine tunneling roadway is a big problem that has always plagued the production process of the coal mine. The main problems are: [0003] One is the greater potential safety hazard. Underground excavation work is carried out in stages, during which the top of the roadway needs to be supported to protect the safety of construction personnel. When the roadway roof, roadway wall reinforcement and other facilities follow-up laying is completed in one stage, the next stage of excavation construction will be carried out. Like this, excavation is repeated, until finishing excavation and opening up to coal mining face. A tunneling team has to complete 6-8 stages of tunneling footage every day. Therefore, the roof sup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D21/00
CPCE21D21/0046
Inventor 何爱忠吴金利刘巍
Owner HUAIBEI ANLAI ELECTROMECHANICAL EQUIP
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