CN203572600U - Surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles - Google Patents
Surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles Download PDFInfo
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- CN203572600U CN203572600U CN201320733033.8U CN201320733033U CN203572600U CN 203572600 U CN203572600 U CN 203572600U CN 201320733033 U CN201320733033 U CN 201320733033U CN 203572600 U CN203572600 U CN 203572600U
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Abstract
The utility model discloses a surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles. The surrounding rock stress monitoring early warning system comprises the step type full length slip-casting monitoring anchor poles and an underground processing sub station comprising a wired stress data collector, a data collection processing control center and a signal amplifier which are sequentially connected, wherein an input end of the wired stress data collector is connected with the step type full length slip-casting monitoring anchor poles through mining light mobile cables, an input end of the data collection processing control center is connected with an output end of the wired stress data collector, an input end of the signal amplifier is connected with an output end of the data collection processing control center, and an industrial computer is in communication connection with an output end of the signal amplifier. According to the surrounding rock stress monitoring early warning system, extra measurement through re-drilling is not required, the multi-functional anchor poles already have a stress measurement function, so manpower and material resources, materials and devices are saved.
Description
Technical field
The utility model relates to mine apparatus technical field, is specifically related to a kind of surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole.
Background technology
At present, in mine working, not only will carry out bolt supporting, and in order to ensure tunnel safety, mine staff need to regularly detect the stress of tunnel coal petrography, to avoid the generation of the mine accidents such as roof fall, coal petrography be outstanding.In the sector field, the mensuration of the active support of mine working and coal petrography stress is minute sequentially to divide instrument, i.e. supporting is to separate work with stress determination, not only drops into human and material resources, increases cost, and has increased unsafe factor.China's coal-mine accident frequently occurs in recent years, causes heavy economic losses and casualties, in many factors that affects mining engineering stability, terrestrial stress is one of most important and the most basic factor, at present, China's most colliery stress monitoring system is all from external introduction, and cost is expensive.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole.
A surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole, comprising:
Stagewise total length slip casting stress monitoring anchor pole, the boring that is placed in down-hole;
Substation is processed in shaft bottom, be placed in down-hole, comprise the wired stress data acquisition device, data acquisition process control center and the signal amplifier that connect successively, wherein, the input end of described wired stress data acquisition device is connected with described stagewise total length slip casting stress monitoring anchor pole by mining light movable cable, the input end of described data acquisition process control center is connected with the output terminal of described wired stress data acquisition device, and the input end of described signal amplifier is connected with the output terminal of described data acquisition process control center;
Industrial computer, is positioned on the ground, is connected by mining light movable cable with the output terminal of described signal amplifier.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said stagewise total length slip casting stress monitoring anchor pole is 1～32, and described in each, stagewise total length slip casting stress monitoring anchor pole is connected with the input end of described wired stress data acquisition device by mining light movable cable respectively.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said stagewise total length slip casting stress monitoring anchor pole comprises: stress induction device, its inside comprises for holding the cavity of oil body; Three-way pipe, comprise supervisor and the arm that arrange and be communicated with vertical with described supervisor, one end of described supervisor is connected with described stress induction device by high-pressure oil pipe, the other end is connected with data converter, described arm is connected with high-pressure oil pump, and described data converter is connected with external unit by mining light movable cable; Stagewise wholly grouted bolts, comprises a body of rod, and described body of rod bosom is provided with the slip casting passage that runs through the described body of rod, and described high-pressure oil pipe is applied in described slip casting passage, and the top of described stagewise wholly grouted bolts is fixed on described stress induction device.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said body of rod end is provided with grouting port, described grouting port and described slip casting channel connection, described body of rod afterbody periphery is connected with pallet by nut, described pallet one side is positioned at described body of rod periphery and is provided with stop-grouting plug, on the described body of rod, interval has grouting hole, first grouting hole at wherein said body of rod top is the slip casting through hole with slip casting channel connection, between remaining grouting hole and slip casting passage, stay the plasma resistance film of establishing different-thickness to form non-through grouting hole, described plasma resistance film thickness increases gradually from inside to outside, between described grouting hole, post water-swellable sealing rod, slip casting passage in the described body of rod is divided into several slip casting sections.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said grouting hole is spiral formula and arranges.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said high-pressure oil pipe and described stress induction device are welded and fixed, and described three-way pipe is threaded with described high-pressure oil pipe and described high-pressure oil pump.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, the top of wherein said stagewise wholly grouted bolts and described stress induction device are welded and fixed.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said data converter is hydraulic pressure force cell.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, wherein said data acquisition process control center is single-chip microcomputer.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model, also comprises explosion-proof electrical source, is electrically connected to respectively with described signal amplifier and described data acquisition process control center.
Surrouding rock stress monitor and early warning system difference from prior art based on stagewise total length slip casting monitoring anchor pole described in the utility model is:
The utility model is that stagewise wholly grouted bolts is combined with stress monitoring system, during stress determination, without drilling again, measure separately, Multifunctional anchor rod, with the function of measuring stress, has not only reduced manpower and materials, and saves material and unnecessary device; Described system only need install Multifunctional anchor rod, the Plant arrangement of detection system links is good, be electrified, formed each laneway stress monitoring system under coal mine, can understand in real time coal petrography stress in tunnel under ore deposit to school and variation tendency, with the roof fall of avoiding STRESS VARIATION to bring, the coal mining accidents such as landslide.
Below in conjunction with accompanying drawing, the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model;
Fig. 2 is the structural representation of stagewise wholly grouted bolts described in the utility model.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole, comprising:
Stagewise total length slip casting stress monitoring anchor pole, the boring that is placed in down-hole; Substation is processed in shaft bottom, be placed in down-hole, comprise the wired stress data acquisition device, data acquisition process control center and the signal amplifier that connect successively, wherein, the input end of described wired stress data acquisition device is connected with described stagewise total length slip casting stress monitoring anchor pole by mining light movable cable, the input end of described data acquisition process control center is connected with the output terminal of described wired stress data acquisition device, and the input end of described signal amplifier is connected with the output terminal of described data acquisition process control center; Industrial computer, is positioned on the ground, is connected with the output terminal communication of described signal amplifier.Described stagewise total length slip casting stress monitoring anchor pole is 1～32, and described in each, stagewise total length slip casting stress monitoring anchor pole is connected with the input end of described wired stress data acquisition device by mining light movable cable respectively.
As shown in Figure 2, described stagewise total length slip casting stress monitoring anchor pole comprises: stress induction device 1, and its inside comprises for holding the cavity of oil body; Three-way pipe 2, comprise supervisor and the arm that arrange and be communicated with vertical with described supervisor, one end of described supervisor is connected with described stress induction device 1 by high-pressure oil pipe 3, the other end is connected with data converter 4, described arm is connected with high-pressure oil pump, and described data converter 4 is connected with external unit by mining light movable cable 13; Stagewise wholly grouted bolts 5, comprise a body of rod 6, the described body of rod 6 bosoms are provided with the slip casting passage that runs through the described body of rod 6, and described high-pressure oil pipe 3 is applied in described slip casting passage, and the top of described stagewise wholly grouted bolts 5 is fixed on described stress induction device 1.
The described body of rod 6 ends are provided with grouting port, described grouting port and described slip casting channel connection, the described body of rod 6 afterbody peripheries are connected with pallet 8 by nut 7, described pallet 8 one sides are positioned at the described body of rod 6 peripheries and are provided with stop-grouting plug 9, on the described body of rod 6, interval has grouting hole, first grouting hole 10 at the wherein said body of rod 6 tops is the slip casting through holes with slip casting channel connection, between remaining grouting hole and slip casting passage, stay the plasma resistance film 11 of establishing different-thickness to form non-through grouting hole, described plasma resistance film 11 thickness increase gradually from inside to outside, between described grouting hole, post water-swellable sealing rod 12, slip casting passage in the described body of rod 6 is divided into several slip casting sections.Described grouting hole is spiral formula and arranges.Described high-pressure oil pipe 3 is welded and fixed with described stress induction device 1, and described three-way pipe 2 is threaded with described high-pressure oil pipe 3 and described high-pressure oil pump.The top of described stagewise wholly grouted bolts 5 and described stress induction device 1 are welded and fixed.Described data converter 4 is hydraulic pressure force cell, and model can adopt 690A24TRC pressure transducer, and 690A series, as 690A.1TRC690A.1TRCB690A etc.Described data acquisition process control center is single-chip microcomputer.Described signal amplifier adopts high precision, high stable small signal amplifier, is a kind of small signal amplifier according to the principle design of the feature of ICL7650 and instrumentation amplifier.This circuit can be amplified to the signal that can directly be processed by Single Chip Microcomputer (SCM) system accurately and stably by the faint signal of machine, and practicality is high.The utility model each device in surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole can be according to actual conditions or colliery requirement, adopt other devices, but the overall flow of system does not change and forms effective stress monitoring system.
Surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model also comprises explosion-proof electrical source, is electrically connected to respectively with described signal amplifier and described data acquisition process control center.
Described stagewise wholly grouted bolts 5 classification slip casting principles: in slip casting process, slurry flows out from the body of rod 6 top the first grouting holes 10, after described in first, water-swellable sealing rod 12 contacts, described water-swellable sealing rod 12 starts to expand, when described water-swellable sealing rod 12 contact with drill hole inner wall closely knit after, the first section completes slip casting, now, in hollow tube, slurry pressure increases, second grouting hole pressurized rises brokenly by the described plasma resistance film 11 being located thereon, the second section starts slip casting, repeat said process, by that analogy, until complete whole bolt grouting.
The course of work of the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole described in the utility model is: the stagewise total length slip casting stress monitoring anchor pole 5 that designs as required and make appropriate size, wherein, stress induction device 1 diameter, oil circuit length (length of high-pressure oil pipe 3) are determined according to field requirement.During detection, first in roadway surrounding rock body, hole, then described stagewise total length slip casting stress monitoring anchor pole is positioned over to the assigned address of tested boring, by high-pressure oil pump, to injecting fluid in described anchor pole, stress induction device 1 and coal and rock are initiatively coupled, when load approaches virgin stress originally, stop pressurization, valve-off, start to measure, data converter 4 converts oil pressure stress data to electronic signal, and mining light movable cable 13 is given wired stress data acquisition device by described electronic data transfer; Meanwhile, described stagewise wholly grouted bolts 5 carries out slip casting.
Described wired stress data acquisition device detects anchor pole 5(1-32 root by a plurality of described stagewise total length slip casting, according to interface microcontroller quantity, arranging) electronic signal of output concentrates and to gather and to be transferred to described data acquisition process control center (single-chip microcomputer), described data acquisition process control center receive after described electronic signal to its store and be processed into can with computing machine compatible signal (processing frequency) mutually, data-signal after processing is transferred to the amplification that described signal amplifier carries out signal, carry out the transmission of remote high precision, signal is transferred to the industrial computer of aerial part, described industrial computer carries out Storage and Processing to data-signal, and by display, described stress data is exported, the information such as Real-Time Monitoring stress value and stress cloud atlas.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (10)
1. based on the slip casting of stagewise total length, monitor a surrouding rock stress monitor and early warning system for anchor pole, it is characterized in that: comprising:
Stagewise total length slip casting stress monitoring anchor pole, the boring that is placed in down-hole;
Substation is processed in shaft bottom, be placed in down-hole, comprise the wired stress data acquisition device, data acquisition process control center and the signal amplifier that connect successively, wherein, the input end of described wired stress data acquisition device is connected with described stagewise total length slip casting stress monitoring anchor pole by mining light movable cable, the input end of described data acquisition process control center is connected with the output terminal of described wired stress data acquisition device, and the input end of described signal amplifier is connected with the output terminal of described data acquisition process control center;
Industrial computer, is positioned on the ground, is connected by mining light movable cable with the output terminal of described signal amplifier.
2. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 1, it is characterized in that: described stagewise total length slip casting stress monitoring anchor pole is 1～32, described in each, stagewise total length slip casting stress monitoring anchor pole is connected with the input end of described wired stress data acquisition device by mining light movable cable respectively.
3. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 1 and 2, is characterized in that: described stagewise total length slip casting stress monitoring anchor pole comprises:
Stress induction device (1), its inside comprises for holding the cavity of oil body;
Three-way pipe (2), comprise supervisor and the arm that arrange and be communicated with vertical with described supervisor, one end of described supervisor is connected with described stress induction device (1) by high-pressure oil pipe (3), the other end is connected with data converter (4), described arm is connected with high-pressure oil pump, and described data converter (4) is connected with external unit by mining light movable cable (13);
Stagewise wholly grouted bolts (5), comprise a body of rod (6), the described body of rod (6) bosom is provided with the slip casting passage that runs through the described body of rod (6), described high-pressure oil pipe (3) is applied in described slip casting passage, and the top of described stagewise wholly grouted bolts (5) is fixed on described stress induction device (1).
4. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 3, it is characterized in that: the described body of rod (6) end is provided with grouting port, described grouting port and described slip casting channel connection, the described body of rod (6) afterbody periphery is connected with pallet (8) by nut (7), described pallet (8) one sides are positioned at the described body of rod (6) periphery and are provided with stop-grouting plug (9), the upper interval of the described body of rod (6) has grouting hole, first grouting hole (10) at the wherein said body of rod (6) top is the slip casting through hole with slip casting channel connection, between remaining grouting hole and slip casting passage, stay the plasma resistance film (11) of establishing different-thickness to form non-through grouting hole, described plasma resistance film (11) thickness increases gradually from inside to outside, between described grouting hole, post water-swellable sealing rod (12), slip casting passage in the described body of rod (6) is divided into several slip casting sections.
5. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 4, is characterized in that: described grouting hole is spiral formula and arranges.
6. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 3, it is characterized in that: described high-pressure oil pipe (3) is welded and fixed with described stress induction device (1), and described three-way pipe (2) is threaded with described high-pressure oil pipe (3) and described high-pressure oil pump.
7. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 3, is characterized in that: the top of described stagewise wholly grouted bolts (5) and described stress induction device (1) are welded and fixed.
8. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 3, is characterized in that: described in to state data converter (4) be hydraulic pressure force cell.
9. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 1, is characterized in that: described data acquisition process control center is single-chip microcomputer.
10. the surrouding rock stress monitor and early warning system based on stagewise total length slip casting monitoring anchor pole according to claim 1, is characterized in that: also comprise explosion-proof electrical source, be electrically connected to respectively with described signal amplifier and described data acquisition process control center.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733033.8U CN203572600U (en) | 2013-11-19 | 2013-11-19 | Surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320733033.8U CN203572600U (en) | 2013-11-19 | 2013-11-19 | Surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles |
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| CN203572600U true CN203572600U (en) | 2014-04-30 |
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| CN201320733033.8U Expired - Fee Related CN203572600U (en) | 2013-11-19 | 2013-11-19 | Surrounding rock stress monitoring early warning system based on step type full length slip-casting monitoring anchor poles |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612733A (en) * | 2015-03-04 | 2015-05-13 | 北京中水新能工程技术有限公司 | Anchor rod monitoring device and anchor rod using device |
| CN105606287A (en) * | 2016-03-14 | 2016-05-25 | 北京科技大学 | Apparatus and method for measuring crustal stress of soft rocks |
| CN106441642A (en) * | 2016-11-24 | 2017-02-22 | 贵州大学 | Anchor rod stress monitor based on ZigBee technology and application method thereof |
| CN107605519A (en) * | 2017-11-03 | 2018-01-19 | 湖南科技大学 | A kind of multifunctional monitoring early warning anchor pole |
| CN112253248A (en) * | 2020-10-26 | 2021-01-22 | 辽宁工程技术大学 | Automatic early warning and prevention device for roof collapse of roadway |
| CN112504333A (en) * | 2020-11-13 | 2021-03-16 | 贵州大学 | Tunnel vertical settlement and arch wall compressive stress monitor and cloud monitoring and early warning system |
| CN113882883A (en) * | 2021-09-30 | 2022-01-04 | 中国矿业大学 | Fixed-length anchoring system and method for roadway roof in slow seepage or water spraying state |
-
2013
- 2013-11-19 CN CN201320733033.8U patent/CN203572600U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612733A (en) * | 2015-03-04 | 2015-05-13 | 北京中水新能工程技术有限公司 | Anchor rod monitoring device and anchor rod using device |
| CN105606287A (en) * | 2016-03-14 | 2016-05-25 | 北京科技大学 | Apparatus and method for measuring crustal stress of soft rocks |
| CN105606287B (en) * | 2016-03-14 | 2018-09-14 | 北京科技大学 | A kind of device and method measuring soft rock crustal stress |
| CN106441642A (en) * | 2016-11-24 | 2017-02-22 | 贵州大学 | Anchor rod stress monitor based on ZigBee technology and application method thereof |
| CN107605519A (en) * | 2017-11-03 | 2018-01-19 | 湖南科技大学 | A kind of multifunctional monitoring early warning anchor pole |
| CN107605519B (en) * | 2017-11-03 | 2024-02-13 | 湖南科技大学 | Multifunctional monitoring and early warning anchor rod |
| CN112253248A (en) * | 2020-10-26 | 2021-01-22 | 辽宁工程技术大学 | Automatic early warning and prevention device for roof collapse of roadway |
| CN112504333A (en) * | 2020-11-13 | 2021-03-16 | 贵州大学 | Tunnel vertical settlement and arch wall compressive stress monitor and cloud monitoring and early warning system |
| CN113882883A (en) * | 2021-09-30 | 2022-01-04 | 中国矿业大学 | Fixed-length anchoring system and method for roadway roof in slow seepage or water spraying state |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141119 |
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