CN203867596U - Spring-type anchor rod - Google Patents
Spring-type anchor rod Download PDFInfo
- Publication number
- CN203867596U CN203867596U CN201420018582.1U CN201420018582U CN203867596U CN 203867596 U CN203867596 U CN 203867596U CN 201420018582 U CN201420018582 U CN 201420018582U CN 203867596 U CN203867596 U CN 203867596U
- Authority
- CN
- China
- Prior art keywords
- spring
- anchor rod
- type anchor
- strength
- chamber
- 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
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A spring-type anchor rod comprises an anchor rod body, a tray and a fixing nut. The spring-type anchor rod is characterized in that the spring-type anchor rod further comprises a high-strength spring and a spring clamping base, the high-strength spring and the spring clamping base are installed on the part, located between the tray and the fixing but, of the anchor rod body, one end of the high-strength spring is installed in an upper-portion step hole in the spring clamping base, and the other end of the high-strength spring is compressed at the bottom of the tray. The spring-type anchor rod has the advantages that the spring-type anchor rod is simple in structure and convenient to install and use; on the premise that the supporting effect of a roadway or chamber surrounding rock is guaranteed, the deformability of the anchor rod is enhanced, the anchor rod can be prevented from being broken suddenly, the self-bearing capacity of the roadway or a chamber is improved, and therefore the dangerous accidents that a top plate of the roadway or the chamber drops, lateral walls of the roadway collapse, and even the tray of the anchor rod and the fixing nut of the anchor rod harm or even kill people after being thrown out are avoided; in addition, the spring-type anchor rod can roughly judge the magnitude of stress of the surrounding rock at a supporting point according to the compression amount of the high-strength spring and has the effect of predicting the magnitude of the supporting stress.
Description
Technical field
The utility model designs a kind of anchor pole, and particularly a kind of spring anchor pole, is applied to the supporting of mine deep part tunnel and surrounding rock of chamber.
Background technology
In recent years, along with the increase of each mining area exploitation time limit of China, the superficial part coal resources in each mining area are day by day exhausted, and the mining depth in mining area constantly increases then.But along with the continuous increase of the mining area exploitation degree of depth, geostatic stress is also in continuous increase, this makes the supporting of coal petrography tunnel and chamber become more difficult.
When China's coal-mine is carried out supporting to tunnel now, what the overwhelming majority adopted is bolt support.The body of rod of existing anchor pole adopts ferrous materials to make, the extensibility of anchor pole self is low, be even non-extensible, then rupture therefore micro-strain only occurs under the boundary state of stress for it, and by the tunnel of supporting or surrounding rock of chamber also owing to there is small distortion in bolt support, therefore, existing anchor pole is in the time of supporting colliery deep tunnel or chamber, under the boundary state of stress, can not release energy in right amount, easily snap, anchor pole snaps and can make tunnel or chamber lose suddenly supporting, there is roof collapse, tunnel is helped partially, lethal peril even occurs to hurt sb.'s feelings after the pallet of anchor pole and hold-down nut are dished out suddenly, serious harm workman's personal safety, affect the safety in production in colliery.Be more than the deficiencies in the prior art.
Utility model content
The purpose of this utility model is: a kind of spring anchor pole is provided, this anchor pole is under ensureing the support action prerequisite of tunnel or surrounding rock of chamber, strengthen the deformable performance of anchor pole, can prevent that anchor pole from snapping, and improve the self-bearing capacity of tunnel or chamber, therefore avoided tunnel or chamber generation roof collapse, tunnel partially to help, the pallet of anchor pole and the hold-down nut lethal peril of being hurted sb.'s feelings after dishing out has even occurred.
The purpose of this utility model can realize by following technical proposals:
This spring anchor pole, comprise anchor bar body, pallet and hold-down nut, it is characterized in that: also comprise high-strength spring and clip spring seat, high-strength spring and clip spring seat are arranged on the anchor bar body between pallet and hold-down nut, high-strength spring one end is arranged in the top shoulder hole in clip spring seat, and the other end is pressed on the bottom of pallet.
Clip spring seat described in the utility model is cylindrical seat, and its bosom position is provided with two shoulder holes in top, bottom that are interconnected, and the diameter of top shoulder hole is greater than the diameter in lower step hole.
The utility model has the advantages that: 1) this spring anchor structure is simple installation, easy to use, 2) under ensureing the support action prerequisite of tunnel or surrounding rock of chamber, strengthen the deformable performance of anchor pole, before anchor bar body stressed reaches the limiting range of stress, make, by supporting country rock, suitable distortion is occurred by the compressive strain of high-strength spring, discharge certain energy, by discharging this part energy, shoulder bed effects before comparing, the active force on anchor pole is diminished, can ensure like this support action of anchor pole to country rock, also avoided anchor pole to snap, improved the self-bearing capacity of tunnel or chamber simultaneously, therefore can avoid tunnel or chamber generation roof collapse, tunnel is helped partially, even there is the pallet of anchor pole and the hold-down nut lethal peril of being hurted sb.'s feelings after dishing out, 3) can judge roughly the surrouding rock stress size of supporting point according to the compressed amount of high-strength spring, play a kind of effect that indicates this supporting point supporting stress intensity, the compressed amount of high-strength spring is larger, the surrouding rock stress that proves this supporting point is larger, the possibility having an accident is just larger, therefore there is the effect of warning, take relevant control measures so that corresponding, prevent that anchor pole from snapping, tunnel or chamber generation roof collapse or tunnel is helped partially, the pallet of anchor pole and hold-down nut be by the generation of coal mining accidents such as hurting sb.'s feelings after dishing out.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the main TV structure schematic diagram of clip spring seat;
Fig. 3 is the plan structure schematic diagram of clip spring seat.
In figure: 6, boring is around by the country rock of supporting; 9, boring.
Detailed description of the invention
As Figure 1-3, this spring anchor pole, comprise anchor bar body 1, pallet 4 and hold-down nut 5, it is characterized in that: also comprise high-strength spring 2 and clip spring seat 3, high-strength spring 2 and clip spring seat 3 are arranged on the anchor bar body 1 between pallet 4 and hold-down nut 5, high-strength spring 2 one end are arranged in the top shoulder hole in clip spring seat 3, and the other end is pressed on the bottom of pallet 4.
As shown in Figure 2,3, described clip spring seat 3 is cylindrical seat, and its bosom position is provided with two shoulder holes in top, bottom 7,8 that are interconnected, and the diameter of top shoulder hole 7 is greater than the diameter in lower step hole 8.
This spring anchor pole in use, adjust the position of hold-down nut 5 and clip spring seat 3, compression high-strength spring 2 is to certain position, pallet 4 has just formed the supporting and protection structure to country rock with the anchor bar body 1 that enters boring 9 deeps, and can reach the pre-supporting power of supporting requirement, thereby complete preliminary bracing task; Along with the increase of bolt support time; tunnel or chamber top shoulder bed effects are increasing gradually at the stress being obtained by bolt support on country rock; the suffered power of anchor pole is also increasing gradually; at this moment anchor pole can be used in masterpiece on high-strength spring 2 by pallet 4; compression high-strength spring 2; pallet 4 and obtained country rock by bolt support also can be along with the compression of high-strength spring 2 is outwards moved; reach the effect of extending anchor pole; simultaneously; discharge certain energy and prevent that country rock and anchor pole from destroying; protect anchor pole, also improved the self-bearing capacity of tunnel or chamber.
Claims (1)
1. a spring anchor pole, comprise anchor bar body (1), pallet (4) and hold-down nut (5), it is characterized in that: also comprise high-strength spring (2) and clip spring seat (3), high-strength spring (2) and clip spring seat (3) are arranged on the anchor bar body (1) between pallet (4) and hold-down nut (5), high-strength spring (2) one end is arranged in the top shoulder hole in clip spring seat (3), and the other end is pressed on the bottom of pallet (4); Described clip spring seat (3) is cylindrical seat, and its bosom position is provided with two shoulder holes in top, bottom (7,8) that are interconnected, and the diameter of top shoulder hole (7) is greater than the diameter of lower step hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018582.1U CN203867596U (en) | 2014-01-13 | 2014-01-13 | Spring-type anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018582.1U CN203867596U (en) | 2014-01-13 | 2014-01-13 | Spring-type anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867596U true CN203867596U (en) | 2014-10-08 |
Family
ID=51648566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420018582.1U Expired - Fee Related CN203867596U (en) | 2014-01-13 | 2014-01-13 | Spring-type anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612730A (en) * | 2014-12-10 | 2015-05-13 | 重庆大学 | Large-deformation self-adaptation anchor rod |
| CN105332728A (en) * | 2015-11-06 | 2016-02-17 | 中国矿业大学 | Real-time monitoring method and device of anchoring force of double-plate anchor bolt |
| CN107120131A (en) * | 2017-05-25 | 2017-09-01 | 江苏海川新材料科技有限公司 | A kind of glass fibre reinforced plastics rockbolts supporting construction and glass fibre reinforced plastics rockbolts |
-
2014
- 2014-01-13 CN CN201420018582.1U patent/CN203867596U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612730A (en) * | 2014-12-10 | 2015-05-13 | 重庆大学 | Large-deformation self-adaptation anchor rod |
| CN105332728A (en) * | 2015-11-06 | 2016-02-17 | 中国矿业大学 | Real-time monitoring method and device of anchoring force of double-plate anchor bolt |
| CN105332728B (en) * | 2015-11-06 | 2017-07-28 | 中国矿业大学 | A kind of Double tray anchor-holding force of anchor bolt method of real-time and device |
| CN107120131A (en) * | 2017-05-25 | 2017-09-01 | 江苏海川新材料科技有限公司 | A kind of glass fibre reinforced plastics rockbolts supporting construction and glass fibre reinforced plastics rockbolts |
| CN107120131B (en) * | 2017-05-25 | 2020-05-12 | 江苏海川新材料科技有限公司 | Glass fiber reinforced plastic anchor rod supporting structure and glass fiber reinforced plastic anchor rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203867596U (en) | Spring-type anchor rod | |
| CN203230447U (en) | Prestressed energy absorption anchor rod cable | |
| GB2491206A8 (en) | Impact-absorbing anchoring assembly for protective barrier | |
| CN108119175B (en) | A kind of resigning buffering energy-absorbing impact preventing anchor rod | |
| CN108868856B (en) | Energy-absorbing anchoring method of high-impact-resistant large-deformation energy-absorbing anchoring tray assembly | |
| CN205225303U (en) | Let in grades and press stock tray | |
| CN105736023A (en) | Large-deformation energy-absorption anchor rod | |
| CN103821547B (en) | A kind of shock resistance large deformation anchor rod | |
| CN102213291B (en) | Penetrating shock absorber device | |
| CN208778026U (en) | A kind of high-damping energy-absorption anchor rod pallet | |
| CN203114315U (en) | Yielding anchor rod capable of monitoring prestress by itself | |
| CN103452570A (en) | Mining cage type anti-shocking ground pressure component | |
| CN103982212A (en) | Mine hexagonal tubular resistive energy-absorption anti-impact device | |
| CN203905980U (en) | Shock resistant anchor rod tray | |
| CN208793023U (en) | Anti- HI high impact large deformation energy-absorbing anchoring tray component | |
| CN205743946U (en) | A kind of erosion control energy-absorption anchor rod pallet | |
| CN103982208A (en) | Mine inner and outer turnover resistive energy-absorption anti-impact device | |
| CN204039905U (en) | A kind of highly energy-consuming subtracts shock insulation rubber bearing | |
| CN207960652U (en) | A kind of anti-slip thread allows pressure early warning anchor nut easy device | |
| CN203080406U (en) | Bridge isolation device | |
| CN205329888U (en) | Modular automatic resilience type horizontal shear blocking device of pre -compaction | |
| CN202300448U (en) | Yielding and locking ring for supporting anchor bolt and anchor cable of coal mine | |
| CN204547870U (en) | A kind of bus handrail not easily rocked | |
| CN102953740A (en) | Voltage stabilization lifting support frame | |
| CN105484380A (en) | Separated automatic-rebounding horizontal shearing locking device |
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: 20141008 Termination date: 20160113 |