CN2140428Y - Tension anchor rod - Google Patents

Tension anchor rod Download PDF

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Publication number
CN2140428Y
CN2140428Y CN 91220218 CN91220218U CN2140428Y CN 2140428 Y CN2140428 Y CN 2140428Y CN 91220218 CN91220218 CN 91220218 CN 91220218 U CN91220218 U CN 91220218U CN 2140428 Y CN2140428 Y CN 2140428Y
Authority
CN
China
Prior art keywords
nut
screw rod
conical surface
expansion
anchor rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 91220218
Other languages
Chinese (zh)
Inventor
展静
展平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 91220218 priority Critical patent/CN2140428Y/en
Application granted granted Critical
Publication of CN2140428Y publication Critical patent/CN2140428Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A tensioning anchor rod is used for a suspended ceiling of an ore roadway and prevents stones at the top from falling off and collapsing. Firstly, a nut is screwed into a screw rod, a washer is sleeved on the screw rod, then an expansion ring, a washer and the nut are sequentially sleeved in the nut, an expansion block is respectively arranged between the two expansion rings, and the conical surface of the expansion ring is attached to the conical surface of the expansion block. The utility model has simple structure, reliable corrosion resistance, durability and high tensile strength; can be recycled repeatedly, has high use value and can reduce consumption; the installation and the disassembly are convenient, and the rock stratum with a special structure can be fastened by adopting a combined anchor rod with more than two levels.

Description

Tension anchoring-bolt
A kind of Tension anchoring-bolt is used for the furred ceiling of mining tunnel, prevents that the top stone from coming off and caving in.
Before the utility model was made, the general employing of the furred ceiling of mining tunnel solidified the formula anchor pole, solidifies the formula anchor pole by screw rod, the cement cushion rubber is formed, and cover cement cushion rubber on the screw rod is placed in the water after the short time soaks, withstand cement film, fixedly rock pore with a sleeve pipe then.This structural anchor bar coagulates in rock pore, can not take out repeatedly and use, can only use once, owing to can not reclaim so waste of material is very big, and in installation process, effort, labour intensity is big, causes coming off of quick hardening cement easily, causes solidifying bad, and tensile strength is low.
The purpose of this utility model is to overcome above-mentioned weak point, thereby provides a kind of simple in structure, easy to use, and labour intensity is low, can reclaim use repeatedly, the Tension anchoring-bolt that tensile strength is high.
The main solution of the utility model Tension anchoring-bolt is to realize like this, it mainly is made up of screw rod, nut, piston ring, the piece that rises, packing ring, nut is screwed into screw rod, packing ring packs into screw rod near nut, four piston rings, packing rings pack into screw rod successively, and the nut of screwing on again is equipped with the piece that rises respectively between piston ring, the piston ring conical surface is affixed on the piece conical surface that rises, and puts rubber ring then.
Description of drawings:
Fig. 1 is the utility model Tension anchoring-bolt structural front view:
Fig. 2 is the utility model Tension anchoring-bolt A-A ' sectional view:
Embodiment during following the utility model Tension anchoring-bolt is incited somebody to action in conjunction with the accompanying drawings is further described:
Earlier nut 2 is screwed into 1 to 80 millimeter place of screw rod, then packing ring 3 is packed into screw rod to nut 2, piston ring 4,7,8,11 and packing ring 12 pack into screw rod successively, the nut 13 of screwing at last, rising, each forms by three piece 6,9 respectively, and porose in the middle of the tapered composition back, two, the piece 6,9 that rises is contained in respectively between piston ring 4,7 and 8,11 by screw rod, the piece inner ring conical surface that rises is affixed on the piston ring outer ring conical surface, tightens with rubber ring 5,10 covers respectively at last.The utility model tightening piece adopts nonferrous materials to make, and can be used for diameter at 42 millimeters Shi Kongzhong, to the rock stratum of special construction, can adopt the above combined anchor pole of secondary fastening.
Compared with the prior art the utility model has the following advantages: 1, simple in structure, in light weight, corrosion-resistant, frictional resistance is big; 2, dependable performance, durable in use, the tensile strength height; 3, can repeatedly reclaim use, the use value height, thus reduced consumption; 4, easy installation and removal, labour intensity is low, has improved productivity effect.

Claims (2)

1, a kind of Tension anchoring-bolt is made up of screw rod, it is characterized in that nut is screwed into screw rod cover upper gasket, piston ring, packing ring, nut, and the piece that rises is housed between piston ring, and the piston ring conical surface is affixed on the piece conical surface that rises, and puts rubber ring at last.
2, Tension anchoring-bolt according to claim 1 is characterized in that the described piece that rises forms by three.
CN 91220218 1991-08-15 1991-08-15 Tension anchor rod Expired - Fee Related CN2140428Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91220218 CN2140428Y (en) 1991-08-15 1991-08-15 Tension anchor rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91220218 CN2140428Y (en) 1991-08-15 1991-08-15 Tension anchor rod

Publications (1)

Publication Number Publication Date
CN2140428Y true CN2140428Y (en) 1993-08-18

Family

ID=33760233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91220218 Expired - Fee Related CN2140428Y (en) 1991-08-15 1991-08-15 Tension anchor rod

Country Status (1)

Country Link
CN (1) CN2140428Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258554A (en) * 2019-06-05 2019-09-20 湖南达道新能源开发有限公司 A kind of shallow layer geothermal energy converting anchor rod

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258554A (en) * 2019-06-05 2019-09-20 湖南达道新能源开发有限公司 A kind of shallow layer geothermal energy converting anchor rod

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee