CN205618183U - Mining friction formula energy -absorbing scour protection stock of stepping down - Google Patents
Mining friction formula energy -absorbing scour protection stock of stepping down Download PDFInfo
- Publication number
- CN205618183U CN205618183U CN201620401244.5U CN201620401244U CN205618183U CN 205618183 U CN205618183 U CN 205618183U CN 201620401244 U CN201620401244 U CN 201620401244U CN 205618183 U CN205618183 U CN 205618183U
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- Prior art keywords
- corrugated tube
- bellows
- bellows segment
- stock
- stepping down
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Abstract
The utility model provides a mining friction formula energy -absorbing scour protection stock of stepping down, belongs to mining safety in production and struts equipment technical field. The utility model provides a simple structure, shock resistance are strong, and easily repair the back and continue the mining friction formula energy -absorbing scour protection stock of stepping down that uses. The utility model discloses a stock body, its characteristics are to be equipped with the bellows at the external cover of stock, non - ripple section and the non - ripple section of bellows lower extreme on the both ends of bellows ripple section are provided with the bellows, be provided with the rod end dog at stock body lower extreme, rod end dog and stock adopt threaded connection between physically, and the rod end dog sets up in the non - ripple section of bellows lower extreme, and the size is greater than the internal diameter of bellows, being equipped with fastening clamping cable at the non - ripple section overcoat in the upper end of the bellows with the stock physical contact, being equipped with the tray at the non - ripple section overcoat of the bellows lower extreme with rod end stopper contact, the non - ripple section overcoat of bellows lower extreme below the tray is equipped with lock nut, adopts threaded connection between the non - ripple section of lock nut and bellows lower extreme.
Description
Technical field
This utility model belongs to mine safety and produces support apparatus technical field, relates to the supporting construction of a kind of heavily stressed rock mass, special
Do not relate to a kind of mining friction-type energy-absorbing impact preventing anchor rod of stepping down.
Background technology
The mine motive force disaster such as bump and coal and gas prominent is the disaster run in mining process, thus to tunnel
The impact failure that country rock causes is one of key issue affecting mine safety.Anchor pole because of its advantage such as easy for installation, with low cost,
It is the most all supporting roadway surrounding rock equipment widely used in mine safety production.
Along with being gradually increased of mining depth, geological conditions becomes increasingly complex, roadway surrounding rock the most usually show heavily stressed, become greatly
The features such as shape, and existing conventional anchor pole shock resistance is limited, is difficult to play country rock support action under thump effect,
Once the deformation energy of roadway surrounding rock exceedes the scope that anchor pole can bear, it will because the inefficacy of support apparatus and generation accident, from
And mining safety is caused serious threat, cause heavy losses to enterprise；It addition, in mining produces, the usage amount to anchor pole
Very big, but existing anchor pole is mostly disposable supporting, will be unable to be continuing with after mine disaster, and many times,
After mine disaster occurs, tunnel also needs to be continuing with, but anchor pole now cannot be continuing with, or due to structure
Complexity, is difficult to change parts, therefore can only select the anchor pole all more renewed, or again excavate tunnel, and this necessarily leads
Cause the increase of production cost.Therefore, in the urgent need to a kind of strong shock resistance, simple in construction, parts are readily disassembled simultaneously
Change, in order to the anchor bar suspension device can being continuing with after reparation.
Utility model content
The problem existed for prior art, this utility model provides a kind of simple in construction, strong shock resistance, and is prone to repair
After the mining friction-type energy-absorbing impact preventing anchor rod of stepping down that is continuing with.
To achieve these goals, this utility model adopts the following technical scheme that a kind of mining friction-type energy-absorbing impact preventing anchor rod of stepping down,
Including anchor bar body, it is characterized in, outside described anchor bar body, is set with corrugated tube, be respectively arranged with at the two ends of corrugated tube bellows segment
The non-bellows segment of the non-bellows segment in corrugated tube upper end and corrugated tube lower end；Be provided with rod end block in the lower end of anchor bar body, described rod end keeps off
Using between block with anchor bar body and threaded, rod end block is arranged in the non-bellows segment in corrugated tube lower end, and size is more than corrugated tube
Internal diameter；Outside the non-bellows segment in corrugated tube upper end contacted with anchor bar body, it is set with fastener cable, is contacting with rod end block
The non-bellows segment in corrugated tube lower end outside be set with pallet, be set with locking nut outside the non-bellows segment in corrugated tube lower end below pallet,
Use between described locking nut bellows segment non-with corrugated tube lower end and threaded.
The preferably circular corrugated tube of described corrugated tube.
Described rod end block is preferably spheroidal block.
For smoothly transitting between the non-bellows segment of the non-bellows segment of described corrugated tube bellows segment and corrugated tube upper end and corrugated tube lower end.
The beneficial effects of the utility model:
This utility model has the strongest impact resistance, and when mine disaster occurs, this utility model can be by corrugated tube
Deformation realization is stepped down energy-absorbing erosion control, and is realized the purpose of friction energy-absorbing by the friction between corrugated tube and anchor bar body, due to this reality
Self structure advantage can be farthest utilized to absorb and consume substantial amounts of energy when withstanding shocks with novel, it is ensured that anchor pole
Body and pallet are unlikely to when withstanding shocks to damage easily so that whole anchor rod device can bear higher impact force, and it is right to complete
The maltilevel security supporting of country rock.
This utility model simple in construction understands, easy for installation, because fastening part is threaded, so in the situation of local damage
Under, it is only necessary to by dismounting locking nut and rod end block, the dismounting of parts impaired to other in addition to anchor bar body can be realized more
Change, the purpose being continuing with after reaching to be easily maintained and repair, and after construction terminates, rod end block and pallet, locking
The parts such as nut in the case of int, all can reclaim carry out again with, thus reduce the cost of production maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of mining friction-type energy-absorbing impact preventing anchor rod of stepping down of the present utility model；
In figure: 1-locking nut, 2-pallet, 3-rod end block, 4-corrugated tube, the non-bellows segment in 4-1-corrugated tube upper end, 4-2-
The non-bellows segment in corrugated tube lower end, 4-3-corrugated tube bellows segment, 5-fastener cable, 6-anchor bar body.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of mining friction-type energy-absorbing impact preventing anchor rod of stepping down, including anchor bar body 6, it is set with outside described anchor bar body 6
Corrugated tube 4, described corrugated tube 4 is circle corrugated pipe, is respectively arranged with the non-ripple in corrugated tube upper end at the two ends of corrugated tube bellows segment 4-3
Non-bellows segment 4-2 of stricture of vagina section 4-1 and corrugated tube lower end；Be provided with rod end block 3 in the lower end of anchor bar body 6, described rod end block 3 is circle
Spherical block, uses between described rod end block 3 and anchor bar body 6 and threadeds, in order to the dismounting of rod end block 3, rod end block
3 are arranged in non-bellows segment 4-2 in corrugated tube lower end, and size is more than the internal diameter of corrugated tube 4；At the ripple contacted with anchor bar body 6
It is set with fastener cable 5 outside non-bellows segment 4-1 in pipe upper end, in order to fasten non-bellows segment 4-1 in corrugated tube upper end, such that it is able at ripple
Pipe 4 is because being deformed and increasing the frictional force between corrugated tube 4 and anchor bar body 6 time anchor bar body 6 produces relative motion, and ensures
When corrugated tube 4 is completely collapsed, non-bellows segment 4-1 in corrugated tube upper end is not burst by rod end block 3, and makes corrugated tube 4 and anchor bar body 6
Separate, cause anchor pole to lose efficacy；It is set with pallet 2, in torr outside non-bellows segment 4-2 in corrugated tube lower end contacted with rod end block 3
Locking nut 1, described locking nut 1 and the non-ripple in corrugated tube lower end it is set with outside non-bellows segment 4-2 in corrugated tube lower end below dish 2
Use threaded between section 4-2, described corrugated tube bellows segment 4-3 and the non-ripple of non-bellows segment 4-1 in corrugated tube upper end and corrugated tube lower end
For smoothly transitting between stricture of vagina section 4-2.
Explanation this utility model is applied to the once mounting of coal mine roadway surrounding rock supporting, use and Renewal process below in conjunction with the accompanying drawings.
Installation process of the present utility model comprises the steps:
Step one: according to anchor pole size of the present utility model, hole in roadway surrounding rock body, and according to the reality of corrugated tube 4
Border size, carries out reaming to the hole on rock mass；
Step 2: after having punched, the rock slag in cleaning eye and hydrops；
Step 3: put into by resin anchoring agent in the bottom outlet accomplished fluently, loads in this bottom outlet afterwards and is provided with rod end block 3, ripple
The anchor bar body 6 of stricture of vagina pipe 4 and fastener cable 5, during installation, the long and straight section of anchor bar body 6 is inside rock mass, and top holds out against rock stratum；
Step 4: utilize roof-bolter to drive anchor bar body 6 to accelerate to rotate, the resin anchoring agent in stirring bottom outlet, until anchor bar body 6
Long and straight section anchored by resin anchoring agent completely, corrugated tube 4 does not carry out resin anchoring agent anchoring；
Step 5: after treating that resin anchoring agent solidifies completely, is sequentially loaded into torr in non-bellows segment 4-2 in corrugated tube lower end exposed
Dish 2 and locking nut 1, and locking nut 1 is screwed, so that whole anchor rod device is anchored further, also execute to country rock simultaneously
Add structural initial pre stress.
When mine disaster occurs, this utility model can first pass through self structure opposing impact in the case of not deforming,
Roadway surrounding rock is carried out supporting；When impulsive force is more than the holding capacity of structure itself, under the effect of country rock and rod end block 3, make
Corrugated tube 4 is compressed by rod end block 3, absorb and consume big energy, playing the effect of energy-absorbing erosion control of stepping down, meanwhile,
The friction that at corrugated tube 4 especially fastener cable 5, between non-bellows segment 4-1 in corrugated tube upper end and anchor bar body 6, relative motion produces, also
Consume portion of energy, play the effect of friction energy-absorbing；When impulsive force continues to increase, corrugated tube bellows segment 4-3 is crushed, and makes
Obtain rod end block 3 to contact with fastener cable 5, define common high intensity rigidity anchor structure, still can resist impact and enclose
The pressure of rock, it is achieved the supporting to roadway surrounding rock.Owing to this utility model can farthest utilize self when withstanding shocks
Structural advantage, is realized stepping down energy-absorbing erosion control by the deformation of corrugated tube 4, and is realized by the friction between corrugated tube 4 and anchor bar body 6
Friction energy-absorbing, consumes substantial amounts of energy, it is ensured that anchor bar body 6 and pallet 2 are unlikely to when withstanding shocks to damage easily, just make
Obtain whole anchor rod device can bear higher impact force, complete the maltilevel security supporting to country rock.
Renewal process of the present utility model comprises the steps:
Step one: pull down locking nut 1 and rod end block 3 successively；
Step 2: according to practical situation, it would be desirable to the pallet 2 of replacing, corrugated tube 4 and fastener cable 5 are pulled down；
Step 3: according to practical situation, the country rock body of anchor bar body 6 periphery is carried out reaming again；
Step 4: the rock slag in cleaning eye and hydrops；
Step 5: new corrugated tube 4 and fastener cable 5 are loaded in country rock body opening, when physical condition does not allows at the scene, also
Fastener cable 5 can be omitted, an installation corrugated tube 4, equally reach step down energy-absorbing and the erosion control supporting purpose of friction energy-absorbing；
Step 6: mounting rod terminal block block 3；
Step 7: install pallet 2 and locking nut 1 successively, and locking nut 1 is screwed.
Claims (4)
1. a mining friction-type energy-absorbing impact preventing anchor rod of stepping down, including anchor bar body, it is characterised in that at described anchor pole extracorporeal set
There is corrugated tube, be respectively arranged with the non-bellows segment of the non-bellows segment in corrugated tube upper end and corrugated tube lower end at the two ends of corrugated tube bellows segment；
Being provided with rod end block in the lower end of anchor bar body, use and threaded between described rod end block and anchor bar body, rod end block is arranged
In the non-bellows segment in corrugated tube lower end, and size is more than the internal diameter of corrugated tube；At the non-ripple in corrugated tube upper end contacted with anchor bar body
It is set with fastener cable outside stricture of vagina section, outside the non-bellows segment in corrugated tube lower end contacted with rod end block, is set with pallet, at pallet
It is set with locking nut outside the non-bellows segment in corrugated tube lower end of lower section, adopts between the non-bellows segment of described locking nut and corrugated tube lower end
With threaded.
Mining friction-type energy-absorbing impact preventing anchor rod of stepping down the most according to claim 1, it is characterised in that described corrugated tube is circular
Corrugated tube.
Mining friction-type energy-absorbing impact preventing anchor rod of stepping down the most according to claim 1, it is characterised in that described rod end block is circle
Spherical block.
Mining friction-type energy-absorbing impact preventing anchor rod of stepping down the most according to claim 1, it is characterised in that described corrugated tube bellows segment
And for smoothly transitting between the non-bellows segment of the non-bellows segment in corrugated tube upper end and corrugated tube lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401244.5U CN205618183U (en) | 2016-05-05 | 2016-05-05 | Mining friction formula energy -absorbing scour protection stock of stepping down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401244.5U CN205618183U (en) | 2016-05-05 | 2016-05-05 | Mining friction formula energy -absorbing scour protection stock of stepping down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618183U true CN205618183U (en) | 2016-10-05 |
Family
ID=57026593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620401244.5U Expired - Fee Related CN205618183U (en) | 2016-05-05 | 2016-05-05 | Mining friction formula energy -absorbing scour protection stock of stepping down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618183U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822332A (en) * | 2016-05-05 | 2016-08-03 | 辽宁工程技术大学 | Mining abdication friction-type energy absorption and impact prevention anchor rod |
| CN108035267A (en) * | 2018-01-06 | 2018-05-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Collapse casing vibration absorber, falling rocks vibration damping hangar tunnel, design method |
| CN108590720A (en) * | 2018-04-13 | 2018-09-28 | 辽宁工程技术大学 | Continue resigning erosion control support anchor rod and its setting method for bump tunnel |
| CN110344408A (en) * | 2019-07-12 | 2019-10-18 | 中南大学 | A kind of method of energy-absorbing damping at anchor pole anchor head |
-
2016
- 2016-05-05 CN CN201620401244.5U patent/CN205618183U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822332A (en) * | 2016-05-05 | 2016-08-03 | 辽宁工程技术大学 | Mining abdication friction-type energy absorption and impact prevention anchor rod |
| CN105822332B (en) * | 2016-05-05 | 2018-01-30 | 辽宁工程技术大学 | A kind of mining frictional energy-absorbing impact preventing anchor rod of stepping down |
| CN108035267A (en) * | 2018-01-06 | 2018-05-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Collapse casing vibration absorber, falling rocks vibration damping hangar tunnel, design method |
| CN108035267B (en) * | 2018-01-06 | 2023-08-15 | 中国科学院、水利部成都山地灾害与环境研究所 | Telescoping sleeve vibration damper, falling Dan Jianzhen shed tunnel and design method |
| CN108590720A (en) * | 2018-04-13 | 2018-09-28 | 辽宁工程技术大学 | Continue resigning erosion control support anchor rod and its setting method for bump tunnel |
| CN110344408A (en) * | 2019-07-12 | 2019-10-18 | 中南大学 | A kind of method of energy-absorbing damping at anchor pole anchor head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20180505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |