CN204511482U - A kind of fried dough twist formula recoverable anchor rod - Google Patents

A kind of fried dough twist formula recoverable anchor rod Download PDF

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Publication number
CN204511482U
CN204511482U CN201520190260.XU CN201520190260U CN204511482U CN 204511482 U CN204511482 U CN 204511482U CN 201520190260 U CN201520190260 U CN 201520190260U CN 204511482 U CN204511482 U CN 204511482U
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CN
China
Prior art keywords
rod
free segment
anchoring
external screw
screw thread
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Expired - Fee Related
Application number
CN201520190260.XU
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Chinese (zh)
Inventor
李金华
苏培莉
朱海西
宋涛
黄荣兵
王博楠
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Xian University of Science and Technology
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Xian University of Science and Technology
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Priority to CN201520190260.XU priority Critical patent/CN204511482U/en
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Publication of CN204511482U publication Critical patent/CN204511482U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of fried dough twist formula recoverable anchor rod, comprise the anchoring section body of rod and the free segment body of rod that are threaded, the shape of the anchoring section body of rod is twisted shape, the anchoring section body of rod is provided with the first external screw thread near one end of the free segment body of rod, the anchoring section body of rod is set with stop grouting plug near the first externally threaded position, the free segment body of rod is fixedly connected with branch sleeve near one end of the anchoring section body of rod, branch sleeve inside is provided with the internal thread matched with the first external screw thread, and branch sleeve is set with waterproof plug; The free segment body of rod is the exposed junction of the free segment body of rod away from one end of the anchoring section body of rod, the exposed junction of the free segment body of rod is provided with the second external screw thread, and the exposed junction of the free segment body of rod is connected with self-aligning bearing and is threaded for the nut of fastening self-aligning bearing by the second external screw thread.The utility model structure is simple, easy for installation, long service life, and it is convenient to reclaim, and reduce support cost, anchoring effect is good, and application value is high.

Description

A kind of fried dough twist formula recoverable anchor rod
Technical field
The utility model belongs to mooring rod technique field, is specifically related to a kind of fried dough twist formula recoverable anchor rod.
Background technology
Current bolt support is widely used in the supporting in coal road road, and is applied among the engineerings such as metallurgy, water conservancy and hydropower, Rail Highway, military project and building.Under the overall situation advocating building energy conservation, although conventional anchor anchoring is reliable, supporting intensity is high, meet supporting safety requirements preferably, but there is a more serious defect in conventional anchor: being just difficult to reclaim once install, as reused by anchor recovering in coal roadway support, not only can saving great deal of steel, also can reduce construction costs, obtain good economic benefit.
Existing recoverable anchor rod can be divided into three major types according to the principle reclaimed: rotary type, tear anchor type open, hale failure type.Rotary type recoverable anchor rod makes comparatively simple, reclaims more convenient, and reclaim pulling force less, bearing capacity is higher, but its high cost, post processing is complicated, is not easy to reclaim, and easily loses efficacy.Although tear the anchor type recoverable anchor rod stressed stage open to stablize, reclaim pulling force little, very high to equipment requirement when it reclaims, the inapplicable use at coal mine roadway.Hale failure type recoverable anchor rod bearing capacity higher, but anchor pole may be made impaired when reclaiming, and higher to equipment requirement when reclaiming, the inapplicable application in little space.And recoverable anchor rod of the prior art also exists following defect and deficiency: 1, install complexity, traditional erecting tools is difficult to realize installing, and needs to be equipped with special installation machinery; 2, conventional anchor and recoverable anchor rod, when the body of rod and rock mass face out of plumb or in use occur bias, very large on the stress performance impact of anchor pole, sometimes even make anchor pole lose efficacy; 3, need special equipment when some recoverable anchor rods reclaim, the rate of recovery is low; 4, because the effect of water makes the screw-thread rust of anchor pole junction, anchor pole service life reduction is made, and the recovery difficulty brought due to corrosion.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, and provide a kind of fried dough twist formula recoverable anchor rod, its structure is simple, easy for installation, long service life, it is convenient to reclaim, reduce support cost, anchoring effect is good, and application value is high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of fried dough twist formula recoverable anchor rod, it is characterized in that: comprise the anchoring section body of rod and the free segment body of rod that are threaded, the shape of the described anchoring section body of rod is twisted shape, the described anchoring section body of rod is provided with the first external screw thread near one end of the free segment body of rod, the described anchoring section body of rod is set with stop grouting plug near the first externally threaded position, the described free segment body of rod is fixedly connected with the branch sleeve for the anchoring section body of rod that is threaded near one end of the anchoring section body of rod, described branch sleeve inside is provided with the internal thread matched with the first external screw thread, described branch sleeve is set with waterproof plug, the described free segment body of rod is the exposed junction of the free segment body of rod away from one end of the anchoring section body of rod, the exposed junction of the described free segment body of rod is provided with the second external screw thread, and the exposed junction of the described free segment body of rod is connected with self-aligning bearing and is threaded for the nut of fastening self-aligning bearing by the second external screw thread.
Above-mentioned a kind of fried dough twist formula recoverable anchor rod, is characterized in that: described waterproof plug is made up of a left side half waterproof plug cock body be connected together and right half waterproof plug cock body.
Above-mentioned a kind of fried dough twist formula recoverable anchor rod, is characterized in that: described branch sleeve welds with free segment body of rod one end near the anchoring section body of rod.
Above-mentioned a kind of fried dough twist formula recoverable anchor rod, is characterized in that: be provided with the backing plate on the exposed junction being sleeved on the free segment body of rod between described self-aligning bearing and the free segment body of rod.
Above-mentioned a kind of fried dough twist formula recoverable anchor rod, it is characterized in that: between described self-aligning bearing and backing plate, be provided with the first pad on the exposed junction being sleeved on the free segment body of rod, between described nut and self-aligning bearing, be provided with the second pad on the exposed junction being sleeved on the free segment body of rod.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, easy for installation, only needs traditional erecting tools just can realize installing, and does not need to be equipped with new installation machinery.
2, the utility model is by arranging waterproof plug, can enter in branch sleeve by anti-sealing, this makes it possible to the internal thread corrosion due to the effect of water prevented in the first external screw thread and branch sleeve, the application life of this recoverable anchor rod can be increased, also can prevent the recovery difficulty caused due to corrosion simultaneously.
3, the utility model is by arranging stop grouting plug, can prevent Anchor Agent from leaking outside, and can prevent the free segment body of rod from being clung by Anchor Agent, is convenient to the recovery of this recoverable anchor rod free segment body of rod.
4, the utility model is by arranging self-aligning bearing, when can prevent this recoverable anchor rod and rock mass face out of plumb or in use due to during eccentric force, recoverable anchor rod is caused damage, this recoverable anchor rod stress equalization can be made, so both can prevent the infringement of this recoverable anchor rod, convenient when also can make recovery simultaneously, only need during recovery common spanner just can, particular/special requirement is not had to equipment.
5, the shape of the utility model anchoring section body of rod is twisted shape, can increase the contact area of the anchoring section body of rod and Anchor Agent, thus add frictional force, effectively can play the stress performance of the anchoring section body of rod; The anchoring section body of rod can make resin explosive roll fully stir when mounted simultaneously, effectively can increase stress performance, save material, reduced support cost.
6, anchoring effect of the present utility model is good, has future in engineering applications widely, particularly in the today of advocating energy-conserving and environment-protective, has very high application value.
In sum, the utility model structure is simple, easy for installation, long service life, and it is convenient to reclaim, and reduce support cost, anchoring effect is good, and application value is high.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram of the present utility model.
Fig. 2 is overall structure schematic diagram of the present utility model.
Fig. 3 is using state schematic diagram of the present utility model.
Description of reference numerals:
1-anchoring section body of rod; 2-free segment body of rod; 3-the first external screw thread;
4-stop grouting plug; 5-branch sleeve; 6-waterproof plug;
6-1-left half waterproof plug cock body; 6-2-right half waterproof plug cock body; 7-the second external screw thread;
8-self-aligning bearing; 9-nut; 10-backing plate;
11-the first pad; 12-the second pad; 13-Anchor Agent;
14-rock mass.
Detailed description of the invention
As depicted in figs. 1 and 2, the utility model comprises the anchoring section body of rod 1 and the free segment body of rod 2 that are threaded, the shape of the described anchoring section body of rod 1 is twisted shape, the described anchoring section body of rod 1 is provided with the first external screw thread 3 near one end of the free segment body of rod 2, position near the first external screw thread 3 on the described anchoring section body of rod 1 is set with stop grouting plug 4, the described free segment body of rod 2 is fixedly connected with the branch sleeve 5 for the anchoring section body of rod 1 that is threaded near one end of the anchoring section body of rod 1, described branch sleeve 5 inside is provided with the internal thread matched with the first external screw thread 3, described branch sleeve 5 is set with waterproof plug 6, the described free segment body of rod 2 is the exposed junction of the free segment body of rod 2 away from one end of the anchoring section body of rod 1, the exposed junction of the described free segment body of rod 2 is provided with the second external screw thread 7, and the exposed junction of the described free segment body of rod 2 is connected with self-aligning bearing 8 and is threaded for the nut 9 of fastening self-aligning bearing 8 by the second external screw thread 7.
As depicted in figs. 1 and 2, in the present embodiment, described waterproof plug 6 is made up of a left side half waterproof plug cock body 6-1 be connected together and right half waterproof plug cock body 6-2.During concrete enforcement, described left half waterproof plug cock body 6-1 and right half waterproof plug cock body 6-2 all adopts synthetic rubber to make, by arranging waterproof plug 6, can enter in branch sleeve 5 by anti-sealing, this makes it possible to the internal thread corrosion due to the effect of water prevented in the first external screw thread 3 and branch sleeve 5, the application life of this recoverable anchor rod can either be increased like this, also can prevent the recovery difficulty caused due to corrosion simultaneously.
In the present embodiment, described branch sleeve 5 welds with the free segment body of rod 2 one end near the anchoring section body of rod 1.The mode of welding is adopted to make branch sleeve 5 and the free segment body of rod 2 become an entirety.
As depicted in figs. 1 and 2, in the present embodiment, between described self-aligning bearing 8 and the free segment body of rod 2, be provided with the backing plate 10 on the exposed junction being sleeved on the free segment body of rod 2.
As depicted in figs. 1 and 2, in the present embodiment, be provided with the first pad 11 on the exposed junction being sleeved on the free segment body of rod 2 between described self-aligning bearing 8 and backing plate 10, between described nut 9 and self-aligning bearing 8, be provided with the second pad 12 on the exposed junction being sleeved on the free segment body of rod 2.
During concrete enforcement, described stop grouting plug 4 adopts synthetic rubber to make, and by arranging stop grouting plug 4, can prevent Anchor Agent from leaking outside, can prevent the free segment body of rod 2 from being clung by Anchor Agent, be convenient to the recovery of this recoverable anchor rod free segment body of rod 2.
The utility model is by arranging self-aligning bearing 8, can prevent when this recoverable anchor rod and rock mass face out of plumb or in use owing to causing damage to this recoverable anchor rod during eccentric force, this recoverable anchor rod stress equalization can be made, the infringement of this recoverable anchor rod can be prevented like this, convenient when also can make recovery simultaneously, only need during recovery common spanner just can, particular/special requirement is not had to equipment.
The shape of the utility model anchoring section body of rod 1 is twisted shape, can increase the contact area of the anchoring section body of rod 1 and Anchor Agent, thus add frictional force, effectively can play the stress performance of the anchoring section body of rod 1; The anchoring section body of rod 1 can make resin explosive roll fully stir simultaneously, effectively can increase stress performance, save material, reduced support cost.
As shown in Figure 3, when adopting the utility model to carry out supporting operation, two people's coordinating operations, one man operation hydraulic jumbolter, a people changes and installs drill bit, rock mass 14 sets bolthole, beat bolthole and skyhook to be helped to carry out to two by middle part, bolthole axial deviation should control in 5 °, after roll bolt hole sets, resin is rolled up medicine and puts into bolthole, and slowly Anchor Agent 13 is pushed at the bottom of bolthole hole with this recoverable anchor rod.In this recoverable anchor rod, the exposed junction of the free segment body of rod 2 is connected with hydraulic jumbolter with adapter sleeve by upper anchor device, start hydraulic jumbolter and stir Anchor Agent 13, advance this recoverable anchor rod while stirring, until this recoverable anchor rod is pushed at the bottom of hole, stir 10s-15s, after stopping stirring, keep hydraulic jumbolter thrust 40s ~ 60s, can drill boom be fallen, remove hydraulic jumbolter; After anchor cable sets 15 minutes, pad, lockset, then stretch-draw are installed.
When carrying out anchor recovering, first the nut 9 be connected on the exposed junction of the free segment body of rod 2 in this recoverable anchor rod is removed, take off self-aligning bearing 8, backing plate 10, first pad 11 and the second pad simultaneously, and then the free segment body of rod 2 is removed, just can realize the recycling of the free segment body of rod 2.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.

Claims (5)

1. a fried dough twist formula recoverable anchor rod, it is characterized in that: comprise the anchoring section body of rod (1) and the free segment body of rod (2) that are threaded, the shape of the described anchoring section body of rod (1) is twisted shape, the described anchoring section body of rod (1) is provided with the first external screw thread (3) near one end of the free segment body of rod (2), the upper position near the first external screw thread (3) of the described anchoring section body of rod (1) is set with stop grouting plug (4), the described free segment body of rod (2) is fixedly connected with the branch sleeve (5) for the anchoring section body of rod (1) that is threaded near one end of the anchoring section body of rod (1), described branch sleeve (5) inside is provided with the internal thread matched with the first external screw thread (3), described branch sleeve (5) is set with waterproof plug (6), the described free segment body of rod (2) is the exposed junction of the free segment body of rod (2) away from one end of the anchoring section body of rod (1), the exposed junction of the described free segment body of rod (2) is provided with the second external screw thread (7), and the exposed junction of the described free segment body of rod (2) is connected with self-aligning bearing (8) and is threaded for the nut (9) of fastening self-aligning bearing (8) by the second external screw thread (7).
2. according to a kind of fried dough twist formula recoverable anchor rod according to claim 1, it is characterized in that: described waterproof plug (6) is made up of the left side half waterproof plug cock body (6-1) be connected together and right half waterproof plug cock body (6-2).
3. according to a kind of fried dough twist formula recoverable anchor rod according to claim 1, it is characterized in that: described branch sleeve (5) welds with the free segment body of rod (2) one end near the anchoring section body of rod (1).
4. according to a kind of fried dough twist formula recoverable anchor rod according to claim 1, it is characterized in that: between described self-aligning bearing (8) and the free segment body of rod (2), be provided with the backing plate (10) on the exposed junction being sleeved on the free segment body of rod (2).
5. according to a kind of fried dough twist formula recoverable anchor rod according to claim 4, it is characterized in that: between described self-aligning bearing (8) and backing plate (10), be provided with the first pad (11) on the exposed junction being sleeved on the free segment body of rod (2), between described nut (9) and self-aligning bearing (8), be provided with the second pad (12) on the exposed junction being sleeved on the free segment body of rod (2).
CN201520190260.XU 2015-03-31 2015-03-31 A kind of fried dough twist formula recoverable anchor rod Expired - Fee Related CN204511482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520190260.XU CN204511482U (en) 2015-03-31 2015-03-31 A kind of fried dough twist formula recoverable anchor rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520190260.XU CN204511482U (en) 2015-03-31 2015-03-31 A kind of fried dough twist formula recoverable anchor rod

Publications (1)

Publication Number Publication Date
CN204511482U true CN204511482U (en) 2015-07-29

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107044270A (en) * 2017-04-05 2017-08-15 李卫忠 Colliery leting speeper sleeve pipe water-stopping method and sealing sleeve pipe
CN111810207A (en) * 2020-06-17 2020-10-23 山东大学 Drilling and anchoring integrated anchoring device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107044270A (en) * 2017-04-05 2017-08-15 李卫忠 Colliery leting speeper sleeve pipe water-stopping method and sealing sleeve pipe
CN107044270B (en) * 2017-04-05 2019-09-13 李卫忠 Coal mine leting speeper casing water-stopping method and sealing casing
CN111810207A (en) * 2020-06-17 2020-10-23 山东大学 Drilling and anchoring integrated anchoring device and method

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

Granted publication date: 20150729

Termination date: 20180331

CF01 Termination of patent right due to non-payment of annual fee