CN204476445U - A kind of stress monitoring glass fibre reinforced plastics rockbolts - Google Patents
A kind of stress monitoring glass fibre reinforced plastics rockbolts Download PDFInfo
- Publication number
- CN204476445U CN204476445U CN201520154599.4U CN201520154599U CN204476445U CN 204476445 U CN204476445 U CN 204476445U CN 201520154599 U CN201520154599 U CN 201520154599U CN 204476445 U CN204476445 U CN 204476445U
- Authority
- CN
- China
- Prior art keywords
- glass fibre
- stress
- fibre reinforced
- reinforced plastics
- induction device
- 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
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to colliery anchoring rod stress monitoring technical field, is specifically related to a kind of stress monitoring glass fibre reinforced plastics rockbolts.Comprise stress induction device, tee piece, arm, supervisor, high-pressure oil pipe, data converter, mining light movable cable, glass fibre reinforced plastics rockbolts, the body of rod, pallet, nut, end protecting, termination over cap.Described stress induction device, its inner cavity for holding oil body; Described tee piece, is arranged and the arm be communicated with described supervisor is vertical for connecting supervisor; One end of described supervisor is connected with described stress induction device through high-pressure oil pipe, and the other end is connected with data converter; Body of rod one end of described glass fibre reinforced plastics rockbolts is connected with described stress induction device, and the other end is connected with pallet; Described nut and end protecting are welded and fixed; Described termination over cap and end protecting are threaded connection.The tedious work that the utility model punches when avoiding stress determination separately, decreases human and material resources, financial resources, reduces input cost.
Description
Technical field
The utility model relates to colliery anchoring rod stress monitoring technical field, is specifically related to a kind of stress monitoring glass fibre reinforced plastics rockbolts.
Background technology
At present, along with the minimizing day by day of shallow overburden, the good coal reserves of occurrence condition, the continuous expansion of coal in China exploitation scale in addition, domestic mine enters the deep mining stage in succession.Due to the increase of mining depth, roadway surrounding rock stress constantly increases, and roadway support is tending towards difficulty, and part roadway deformation is serious, there is the potential safety hazard such as roof fall, coal and gas prominent.Strengthen the stress monitoring to roadway surrounding rock, grasp size and the distribution situation thereof of roadway surrounding rock stress in time, significant in Safety of Coal Mine Production.
The monitoring of roadway surrounding rock stress within coal mines, some selection area completes the mensuration of surrouding rock stress by a series of activities such as borings in tunnel usually to need technical professional.Once scientific and reasonable roadway surrounding rock stress monitoring needs the surrouding rock stress data of multiple boring.Existing roadway surrounding rock stress monitoring mainly has the following disadvantages: one, need a large amount of human and material resources, financial resources, cost is high, and operating efficiency is lower; Two, the human and material resources carrying out surrouding rock stress monitoring can affect the normal operation of the operation such as coal production, transport; Three, for a series of borings that surrouding rock stress measures, destroy globality and the stability of roadway surrounding rock to a certain extent, add unsafe factor.Therefore, design a kind of stress monitoring glass fibre reinforced plastics rockbolts, strengthen the supporting to tunnel while can realizing monitoring the surrouding rock stress in tunnel, there is good compliance, there is important practice significance in coal production.
Utility model content
The utility model proposes a kind of stress monitoring glass fibre reinforced plastics rockbolts, comprise stress induction device, tee piece, arm, supervisor, high-pressure oil pipe, data converter, mining light movable cable, glass fibre reinforced plastics rockbolts, the body of rod, pallet, nut, end protecting, termination over cap.Described stress induction device, its inner cavity for holding oil body; Described tee piece, is arranged and the arm be communicated with described supervisor is vertical for connecting supervisor; One end of described supervisor is connected with described stress induction device through high-pressure oil pipe, and the other end is connected with data converter; Described arm is connected with external high pressure oil pump; Described data converter is connected with external record analytical instrument by mining light movable cable; Body of rod one end of described glass fibre reinforced plastics rockbolts is connected with described stress induction device, and the other end is connected with pallet; Described nut and end protecting are welded and fixed; Described termination over cap and end protecting are threaded connection.
Described tee piece and described arm, be responsible for and be threaded connection; Described arm and external high pressure oil pump are threaded connection; Described arm is designed with valve.
Described data converter is hydrostatic sensor, can convert oil pressure numerical value to electronic data, and by mining light movable cable by described electronic data transfer to external record analytical instrument.
The described body of rod is the bar of hollow, is convenient to high-pressure oil pipe and runs through the whole body of rod and be connected with stress induction device.
Described high-pressure oil pipe and stress induction device are by being welded and fixed.
Described end protecting is not damaged for the protection of tee piece, data converter.
The beneficial effects of the utility model:
1, oil hydraulic type drilling hole stress monitoring device is combined cleverly with glass fibre reinforced plastics rockbolts, forms a kind of multifunctional glass steel anchor rod integrating supporting and drilling hole stress and measure;
2, the mensuration of roadway surrounding rock stress can be completed while carrying out roadway support, the tedious work punched separately when avoiding stress determination, decrease human and material resources, financial resources, reduce input cost, increase work efficiency;
3, effectively reduce a series of borings measured for surrouding rock stress, ensure that globality and the stability of roadway surrounding rock to greatest extent, safety factor significantly improves;
4, according to needs of production, the Real-Time Monitoring of large-scale surrouding rock stress can be carried out to coal mine down-hole tunnel, effectively reduce the generation of the disaster accident such as roof fall, coal and gas prominent, ensure that safety of coal mines is produced efficiently;
5, the data converter of glass fibre reinforced plastics rockbolts termination is connected with external record analytical instrument by mining light movable cable, and data acquisition is convenient, fast;
6, the utility model is scientific and reasonable for structure, is easy to manufacture, and certainty of measurement is high, construction install convenience, can be used for the popularization on a large scale of coal mining enterprise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-stress induction device; 2-tee piece; 3-arm; 4-is responsible for; 5-high-pressure oil pipe; 6-data converter; 7-is mining light movable cable; 8-glass fibre reinforced plastics rockbolts; The 9-body of rod; 10-pallet; 11-nut; 12-end protecting; 13-termination over cap.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of stress monitoring glass fibre reinforced plastics rockbolts of the present utility model is described in further detail.
As shown in Figure 1; a kind of stress monitoring glass fibre reinforced plastics rockbolts, comprises stress induction device, tee piece, arm, supervisor, high-pressure oil pipe, data converter, mining light movable cable, glass fibre reinforced plastics rockbolts, the body of rod, pallet, nut, end protecting, termination over cap.Wherein, described stress induction device 1, its inner cavity for holding oil body; Described tee piece 2, is arranged and the arm 3 be communicated with described supervisor 4 is vertical for connecting supervisor 4; One end of described supervisor 4 is connected with described stress induction device 1 through high-pressure oil pipe 5, and the other end is connected with data converter 6; Described arm 3 is connected with external high pressure oil pump; Described data converter 6 is connected with external record analytical instrument by mining light movable cable 7; The body of rod 9 one end of described glass fibre reinforced plastics rockbolts 8 is connected with described stress induction device 1, and the other end is connected with pallet 10; Described nut 11 is welded and fixed with end protecting 12; Described termination over cap 13 and end protecting 12 are threaded connection.
The course of work of a kind of stress monitoring glass fibre reinforced plastics rockbolts of the utility model: design according to actual needs and make the stress monitoring glass fibre reinforced plastics rockbolts of appropriate size, namely the volume size of rock-bolt length, stress induction device and the length of high-pressure oil pipe can be determined according to field requirement.During detection, described stress monitoring glass fibre reinforced plastics rockbolts is positioned over the assigned address of tested boring, after rockbolt installation completes, arm is connected with external high pressure oil pump, opens the valve on arm, in the high-pressure oil pipe in described glass fibre reinforced plastics rockbolts, oil body is injected by high-pressure oil pump, thus strain gauge is initiatively coupled with country rock body, when the inner initial pressure of high-pressure oil pipe is close to the country rock stress of primary rock, stop pressurization, close high-pressure oil pump, valve-off; Start to measure, by the pressure that the stress conversion of roadway surrounding rock is oil body in high-pressure oil pipe in glass fibre reinforced plastics rockbolts by stress induction device, oil pressure numerical value is converted to electronic data through data converter, and by mining light movable cable by described electronic data transfer to external record analytical instrument (as computer etc.), thus data gathered, store, to analyze and in real time display detects data.
Claims (6)
1. a stress monitoring glass fibre reinforced plastics rockbolts, it is characterized in that, comprise stress induction device, tee piece, arm, supervisor, high-pressure oil pipe, data converter, mining light movable cable, glass fibre reinforced plastics rockbolts, the body of rod, pallet, nut, end protecting, termination over cap, wherein: described stress induction device, its inner cavity for holding oil body; Described tee piece, is arranged and the arm be communicated with described supervisor is vertical for connecting supervisor; One end of described supervisor is connected with described stress induction device through high-pressure oil pipe, and the other end is connected with data converter; Described arm is connected with external high pressure oil pump; Described data converter is connected with external record analytical instrument by mining light movable cable; Body of rod one end of described glass fibre reinforced plastics rockbolts is connected with described stress induction device, and the other end is connected with pallet; Described nut and end protecting are welded and fixed; Described termination over cap and end protecting are threaded connection.
2. a kind of stress monitoring glass fibre reinforced plastics rockbolts as claimed in claim 1, is characterized in that: described tee piece and described arm, be responsible for and be threaded connection; Described arm and external high pressure oil pump are threaded connection; Described arm is designed with valve.
3. a kind of stress monitoring glass fibre reinforced plastics rockbolts according to claim 1, it is characterized in that: described data converter is hydrostatic sensor, can oil pressure numerical value be converted to electronic data, and by mining light movable cable by described electronic data transfer to external record analytical instrument.
4. a kind of stress monitoring glass fibre reinforced plastics rockbolts according to claim 1, is characterized in that: the described body of rod is the bar of hollow, is convenient to high-pressure oil pipe and runs through the whole body of rod and be connected with stress induction device.
5. a kind of stress monitoring glass fibre reinforced plastics rockbolts according to claim 1, is characterized in that: described high-pressure oil pipe and stress induction device are by being welded and fixed.
6. a kind of stress monitoring glass fibre reinforced plastics rockbolts according to claim 1, is characterized in that: described end protecting is not damaged for the protection of tee piece, data converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154599.4U CN204476445U (en) | 2015-03-18 | 2015-03-18 | A kind of stress monitoring glass fibre reinforced plastics rockbolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154599.4U CN204476445U (en) | 2015-03-18 | 2015-03-18 | A kind of stress monitoring glass fibre reinforced plastics rockbolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476445U true CN204476445U (en) | 2015-07-15 |
Family
ID=53632247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520154599.4U Expired - Fee Related CN204476445U (en) | 2015-03-18 | 2015-03-18 | A kind of stress monitoring glass fibre reinforced plastics rockbolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469354A (en) * | 2019-08-30 | 2019-11-19 | 东北大学 | A kind of anti-pulling anchor pole for country rock micro seismic monitoring |
-
2015
- 2015-03-18 CN CN201520154599.4U patent/CN204476445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469354A (en) * | 2019-08-30 | 2019-11-19 | 东北大学 | A kind of anti-pulling anchor pole for country rock micro seismic monitoring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104132761B (en) | Multiple spot coal and rock stress real-time monitoring device and method | |
| CN103362552B (en) | Distributed fiber bragg grating anchor rod group stress monitoring system for coal mine tunnel | |
| CN104100281B (en) | A kind of mining multistage allowing presses anti-punching to prop up protection unit, support system and using method | |
| CN203259281U (en) | Coal mine downhole optical fiber raster multi-measuring point anchor pole stress measuring device | |
| CN203519230U (en) | Coal-rock mass stress directional monitoring device | |
| CN101514926A (en) | Coal-rock mass ground stress continuous testing device and method thereof | |
| CN201757686U (en) | Hydraulic fracturing crustal stress measuring apparatus | |
| CN203572600U (en) | Surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles | |
| CN112097726B (en) | Device and method for measuring expansion deformation of protected layer | |
| CN104215364A (en) | Self-propelled diameter-variable stress rosette pasting device used for geostress measuring | |
| CN204154234U (en) | A kind of adjustable hydraulic support height measuring device | |
| CN105179017A (en) | Comprehensive displacement-strain early warning system for anchor rod | |
| CN204476445U (en) | A kind of stress monitoring glass fibre reinforced plastics rockbolts | |
| CN105784221B (en) | Lead abutment pressure monitoring method based on fiber bragg grating pressure sensor | |
| CN204694384U (en) | Be applied to the hydraulic borehole stress-meter that underground coal rock mass stress is measured | |
| CN104832163A (en) | Method for monitoring rock burst dangerousness in coal underground mining process | |
| CN201106447Y (en) | Underground pressure monitoring device for coal-bed gas well | |
| CN204101017U (en) | Dew well coal mining slope displacement monitoring device | |
| CN203584448U (en) | Staged overall length grouting stress monitoring anchor rod | |
| CN204514516U (en) | Device for monitoring dam foundation stress | |
| CN203241177U (en) | Monitoring system of goaf rock coverage stability | |
| CN204422110U (en) | Based on the surrouding rock stress monitor and early warning system of stress monitoring glass fibre reinforced plastics rockbolts | |
| CN204359470U (en) | Hydraulic pressure power transmission formula borehole stressmeter instrument | |
| CN104502002A (en) | Hydraulic force transfer type borehole stressmeter and operation method thereof | |
| CN201689014U (en) | Portable base plate specific pressure testing 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: 20150715 Termination date: 20160318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |