CN102061941A - Tunnel and gob surrounding rock safety and real-time directional non-destructive monitoring device and early warning method - Google Patents
Tunnel and gob surrounding rock safety and real-time directional non-destructive monitoring device and early warning method Download PDFInfo
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- CN102061941A CN102061941A CN2010105811349A CN201010581134A CN102061941A CN 102061941 A CN102061941 A CN 102061941A CN 2010105811349 A CN2010105811349 A CN 2010105811349A CN 201010581134 A CN201010581134 A CN 201010581134A CN 102061941 A CN102061941 A CN 102061941A
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Abstract
The invention discloses a tunnel and gob surrounding rock safety and real-time directional non-destructive monitoring device and an early warning method, belonging to the technical field of mining industry displacement safety detecting and monitoring. The tunnel and gob surrounding rock safety real-time directional non-destructive monitoring device comprises a singlechip (1), a first drive mechanism (2), a fixed plate (3), a laser distance measuring instrument (4), an acousto-optic warning device (5), a connecting piece (8) and a second drive mechanism (9); the tunnel and gob surrounding rock safety and real-time directional non-destructive monitoring device is integrally installed at the middle-upper part of one side wall of a surrounding rock (11) through a buried rod (6); and the singlechip (1) is connected with a master control computer. The invention has the advantages of simplicity and convenience for operation, high degree of automation, real-time, reliability and high safety for data monitoring, and the like.
Description
Technical field
Real-time security comprehensive nondestructive monitoring device of tunnel and goaf country rock and method for early warning belong to mining industry displacement safety detection and monitoring technique field.
Background technology
Behind the roadway excavation, have danger such as country rock large deformation, wall caving, roof collapse and rock burst, not only personnel and the equipment to roadway construction has constituted direct threat, and influences construction speed, can also cause backbreak, supporting lost efficacy, even earthquake.Wherein, the inbreak of goaf top plate large tracts of land is that harm is the most serious in the roof accident of mine, in recent years, large tracts of land goaf top plate the collapse incident that falls in mine happens occasionally, the large-area inbreak of goaf top plate meeting causes serious aboveground, personnel in the pit's injures and deaths and property loss, the goaf top plate that has collapses and falls to developing rapidly the face of land, and causes accidents such as the soil subsides, house crack, the serious city that threatening.Along with underground space development and resource exploitation constantly move towards the deep, security issues become increasingly urgent for country rock.
Guarantee safety must at above problem carry out advance preventing and early warning, need carry out monitoring to country rock.Just relate to a kind of about monitoring to surrounding rock displacement, monitoring means commonly used is to use dip stick, multiple position extensometer, instruments such as total powerstation and tunnel cross-section instrument manually measure, but these monitoring meanss commonly used are disturbed bigger to construction, and inconvenient operation, automaticity is low, measurement work danger and metric data are unreliable, when especially needing the multiple spot position on the whole surface of country rock monitored, construction very complicated and expense height, therefore be difficult to realize to tunnel and the real-time omnibearing monitoring of goaf country rock, monitoring and early warning, the monitoring means that has also can produce further damage and influence to country rock, is difficult to meet the demands.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of easy and simple to handle, automaticity is high, monitored data is reliable, tunnel and the real-time security comprehensive nondestructive monitoring device of goaf country rock and the method for early warning of monitoring safety.
The technical solution adopted for the present invention to solve the technical problems is: the real-time security comprehensive nondestructive monitoring device of this tunnel and goaf country rock, it is characterized in that: comprise single-chip microcomputer, first transmission mechanism, fixed head, laser range finder, acoustic-optic alarm, connector and second transmission mechanism, locate on the upper side at country rock one sidewall middle part by burying the bar integral installation underground, single-chip microcomputer connects a main control computer.
Described first transmission mechanism and second transmission mechanism include pair of meshing travelling gear, stepper motor and take-off (propeller) shaft, first transmission mechanism and the second transmission mechanism alternation.
The pair of engaged gears of described first transmission mechanism is installed on perpendicular, and the pair of engaged gears of second transmission mechanism is installed on horizontal plane.
The described bar one end level of burying underground is installed on country rock one sidewall middle part and locates on the upper side, by connector comprehensive nondestructive monitoring device is installed on the other end, and is tightened by nut.
A kind of method for early warning that utilizes tunnel and the real-time security comprehensive nondestructive monitoring device of goaf country rock is characterized in that: comprise the following steps:
Step 1: will bury bar one end level underground and be installed on tunnel and goaf country rock one sidewall middle part and locate on the upper side, and comprehensive nondestructive monitoring device will be installed burying underground on the bar exposed portions serve other end, and is tightened by nut;
Step 2: programme also and single chip communication by main control computer, the second transmission mechanism work by the comprehensive nondestructive monitoring device of Single-chip Controlling, the fixed head of fixedlying connected with it is rotated on horizontal plane, and the laser range finder that is installed in simultaneously on the fixed head turns to predetermined angular with fixed head on horizontal plane;
Step 3: programme also and single chip communication by main control computer, second transmission mechanism by the comprehensive nondestructive monitoring device of Single-chip Controlling stops operating, the first transmission mechanism take-off (propeller) shaft of comprehensive nondestructive monitoring device is rotated up and down in perpendicular, drive then with the fixedly connected laser range finder of take-off (propeller) shaft and in perpendicular, turn to predetermined angular;
Step 4: find range by the Single-chip Controlling laser range finder, distance to country rock surface different time, same point laser range finder laser determination asks poor, obtain the shift value at this some place of country rock, by main control computer programming then with single chip communication, carry out real-time omnibearing displacement monitoring by Single-chip Controlling laser range finder, first transmission mechanism and second transmission mechanism, obtain the shift value at country rock surface different time, difference place;
Step 5: the monitored data that will be gathered in real time by main control computer software shows and draws out figure, is judged whether to surpass the displacement threshold value of setting by main control computer software, determines whether that then starting acoustic-optic alarm sends early warning.
Compared with prior art, the beneficial effect that had of tunnel of the present invention and goaf real-time security comprehensive nondestructive monitoring device and the method for early warning of country rock is:
1, easy and simple to handle, safe, cost is lower: by the displacement of laser range finder monitoring tunnel and goaf country rock, the monitoring operation is simple, it is convenient to implement, and cost is lower, whole observation process does not influence normally carrying out of engineering, solved the monitoring point constructional difficulties that the many places layout is caused on country rock in the past, loaded down with trivial details, length consuming time, problems such as cost height and danger are bigger, and when surpassing the displacement threshold value of setting, can start acoustic-optic alarm and realize early warning by single-chip microcomputer, monitoring screen shows concrete danger position, has further guaranteed the safety of staff and equipment;
2, automaticity height, not damaged: combine detection with laser range finder by two groups of transmission mechanisms, realized the omnibearing harmless contactless displacement monitoring of country rock, monitoring range is wide, and avoided country rock is caused new damage and influence, gather in real time and show each orientation monitored data and graphing by main control computer software, automaticity further strengthens, and has saved manpower and materials;
3, monitored data in real time, reliable: by main control computer and control comprehensive nondestructive monitoring device with the mode of single chip communication and realize whole observation process, realized the whole process control of surrounding rock displacement is monitored in real time, and can omnidistance network, realize the monitoring of remote online real-time displacement, and will monitor data in real time and show, analyze, make that the data that monitor are more true and reliable.
Description of drawings
Fig. 1 is the comprehensive nondestructive monitoring device front view of a present invention schematic diagram.
Fig. 2 is comprehensive nondestructive monitoring device installation site schematic diagram in country rock.
Wherein: 1, single-chip microcomputer 2, first transmission mechanism 3, fixed head 4, laser range finder 5, acoustic-optic alarm 6, bury bar 7, nut 8, connector 9, second transmission mechanism 10, comprehensive nondestructive monitoring device 11, country rock underground.
Fig. 1~2nd, most preferred embodiment of the present invention, the present invention will be further described below in conjunction with accompanying drawing 1~2:
The specific embodiment
With reference to accompanying drawing 1~2:
The real-time security comprehensive nondestructive monitoring device of tunnel of the present invention and goaf country rock comprises single-chip microcomputer 1, first transmission mechanism 2, fixed head 3, laser range finder 4, acoustic-optic alarm 5, connector 8 and second transmission mechanism 9; Bury bar 6 one end levels underground and be installed on country rock 11 1 sidewalls middle parts and locate on the upper side, by connector 8 real-time comprehensive nondestructive monitoring device 10 is installed burying underground on bar 6 other ends, and is tightened by nut 7.
First transmission mechanism 2 and second transmission mechanism 9 include the pair of meshing travelling gear, stepper motor and take-off (propeller) shaft, the pair of engaged gears of first transmission mechanism 2 is installed on perpendicular, the pair of engaged gears of second transmission mechanism 9 is installed on horizontal plane, duty by single-chip microcomputer 1 control first transmission mechanism 2 and second transmission mechanism 9, first transmission mechanism 2 rotates laser range finder 4 in perpendicular, second transmission mechanism 9 rotates laser range finder 4 in horizontal plane, and first transmission mechanism 2 and 9 alternations of second transmission mechanism, single-chip microcomputer 1 is controlled by main control computer; One end of the fixedly connected fixed head 3 of the take-off (propeller) shaft of second transmission mechanism 9, the take-off (propeller) shaft of first transmission mechanism 2 connects an end of laser range finder 4, the rotation direction of first transmission mechanism 2 and second transmission mechanism 9 and rotational angle are by single-chip microcomputer 1 control, and single-chip microcomputer 1 is by the main control computer programming Control.
Utilize the method for early warning of tunnel and the real-time security comprehensive nondestructive monitoring device of goaf country rock, concrete steps are as follows:
Step 1: will bury bar 6 one end levels underground and be installed on tunnel and goaf country rock 11 1 sidewalls middle part and locate on the upper side, and comprehensive nondestructive monitoring device 10 will be installed on the other end of burying bar 6 exposed portions serve underground, and is tightened by nut 7;
Step 2: communicate by letter by the main control computer programming and with single-chip microcomputer 1, second transmission mechanism, 9 work by the comprehensive nondestructive monitoring device 10 of single-chip microcomputer 1 control, the fixed head 3 of fixedlying connected with it is rotated on horizontal plane, and the laser range finder 4 that is installed in simultaneously on the fixed head 3 turns to predetermined angular with fixed head 3 on horizontal plane;
Step 3: communicate by letter by the main control computer programming and with single-chip microcomputer 1, second transmission mechanism 9 by the comprehensive nondestructive monitoring device 10 of single-chip microcomputer 1 control stops operating, the take-off (propeller) shaft of comprehensive nondestructive monitoring device 10 first transmission mechanisms 2 is rotated up and down in perpendicular, drive then with the fixedly connected laser range finder 4 of take-off (propeller) shaft and in perpendicular, turn to predetermined angular;
Step 4: find range by single-chip microcomputer 1 control laser range finder 4, distance to country rock 11 surperficial different times, same point laser range finder 4 laser determinations asks poor, obtain the shift value at country rock 11 these some places, communicate by letter with single-chip microcomputer 1 then by the main control computer programming, carry out real-time omnibearing displacement monitoring by single-chip microcomputer 1 control laser range finder 4, first transmission mechanism 2 and second transmission mechanism 9, obtain the shift value at country rock 11 surperficial different times, difference place;
Step 5: the monitored data that will be gathered in real time by main control computer software shows and draws out figure, judge whether to surpass the displacement threshold value of setting by main control computer software, when if the shift value at country rock 11 certain some place surpasses the displacement threshold value of setting, main control computer is reported to the police and is started acoustic-optic alarm 5 by single-chip microcomputer 1 and sends early warning.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (5)
1. the real-time security comprehensive nondestructive monitoring device of tunnel and goaf country rock, it is characterized in that: comprise single-chip microcomputer (1), first transmission mechanism (2), fixed head (3), laser range finder (4), acoustic-optic alarm (5), connector (8) and second transmission mechanism (9), locate on the upper side at country rock (11) one sidewalls middle part by burying bar (6) integral installation underground, single-chip microcomputer (1) connects a main control computer.
2. the real-time security comprehensive nondestructive monitoring device of tunnel according to claim 1 and goaf country rock, it is characterized in that: described first transmission mechanism (2) and second transmission mechanism (9) include pair of meshing travelling gear, stepper motor and take-off (propeller) shaft, first transmission mechanism (2) and second transmission mechanism (9) alternation.
3. the real-time security comprehensive nondestructive monitoring device of tunnel according to claim 1 and 2 and goaf country rock, it is characterized in that: the pair of engaged gears of described first transmission mechanism (2) is installed on perpendicular, and the pair of engaged gears of second transmission mechanism (9) is installed on horizontal plane.
4. the real-time security comprehensive nondestructive monitoring device of tunnel according to claim 1 and goaf country rock, it is characterized in that: described bar (6) the one end levels of burying underground are installed on country rock (11) one sidewalls middle parts and locate on the upper side, by connector (8) comprehensive nondestructive monitoring device (10) is installed on the other end, and is tightened by nut (7).
5. a method for early warning that utilizes tunnel and the real-time security comprehensive nondestructive monitoring device of goaf country rock is characterized in that: comprise the following steps:
Step 1: will bury bar (6) one end levels underground and be installed on tunnel and goaf country rock (11) one sidewalls middle part and locate on the upper side, and comprehensive nondestructive monitoring device (10) will be installed burying underground on bar (6) the exposed portions serve other end, and is tightened by nut (7);
Step 2: communicate by letter by the main control computer programming and with single-chip microcomputer (1), control second transmission mechanism (9) work of comprehensive nondestructive monitoring device (10) by single-chip microcomputer (1), the fixed head (3) of fixedlying connected with it is rotated on horizontal plane, and the laser range finder (4) that is installed in simultaneously on the fixed head (3) turns to predetermined angular with fixed head (3) on horizontal plane;
Step 3: communicate by letter by the main control computer programming and with single-chip microcomputer (1), second transmission mechanism (9) of being controlled comprehensive nondestructive monitoring device (10) by single-chip microcomputer (1) stops operating, first transmission mechanism (2) take-off (propeller) shaft of comprehensive nondestructive monitoring device (10) is rotated up and down in perpendicular, drive then and in perpendicular, turn to predetermined angular with the fixedly connected laser range finder of take-off (propeller) shaft (4);
Step 4: find range by single-chip microcomputer (1) control laser range finder (4), distance to the surperficial different time of country rock (11), same point laser range finder (4) laser determination asks poor, obtain the shift value at this some place of country rock (11), communicate by letter with single-chip microcomputer (1) then by the main control computer programming, carry out real-time omnibearing displacement monitoring by single-chip microcomputer (1) control laser range finder (4), first transmission mechanism (2) and second transmission mechanism (9), obtain the shift value at the surperficial different time of country rock (11), difference place;
Step 5: the monitored data that will be gathered in real time by main control computer software shows and draws out figure, is judged whether to surpass the displacement threshold value of setting by main control computer software, determines whether to start acoustic-optic alarm (5) then and sends early warning.
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Cited By (10)
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CN102435130A (en) * | 2011-09-05 | 2012-05-02 | 山东中宏路桥建设有限公司 | Displacement alarm |
CN102607540A (en) * | 2012-03-16 | 2012-07-25 | 天地科技股份有限公司 | Device for measuring relative variation of underground space |
CN102768027A (en) * | 2012-07-20 | 2012-11-07 | 山东理工大学 | Method for monitoring whole-process safe displacement of underground surrounding rock |
CN103061813A (en) * | 2013-01-09 | 2013-04-24 | 山东理工大学 | Ultrasonic multipoint real-time monitoring method for mine surrounding rock top plate disasters |
CN103510985A (en) * | 2013-10-08 | 2014-01-15 | 中国矿业大学 | Roadway surrounding rock surface deformation laser measuring device and method |
CN103791849A (en) * | 2014-01-27 | 2014-05-14 | 武汉长澳大地工程有限公司 | Monitoring system and measuring method for laser intelligent response type tunnel convergence |
CN107203010A (en) * | 2017-06-05 | 2017-09-26 | 山东理工大学 | Underground space country rock disaster, which is released, and can buffer method of real-time |
CN107703801A (en) * | 2017-09-30 | 2018-02-16 | 云南云岭高速公路交通科技有限公司 | Round-the-clock Tunnel collapses early warning system and application method |
CN108050952A (en) * | 2018-01-16 | 2018-05-18 | 陕西高速星展科技有限公司 | A kind of tunnel cross-section DEFORMATION MONITORING SYSTEM and monitoring method |
CN108519062A (en) * | 2018-04-11 | 2018-09-11 | 辽宁工程技术大学 | Communication pipe deformation monitoring device and method |
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FR2747466A1 (en) * | 1996-04-10 | 1997-10-17 | Touzot Jean Pierre | Civil engineering surveyors level target |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102435130A (en) * | 2011-09-05 | 2012-05-02 | 山东中宏路桥建设有限公司 | Displacement alarm |
CN102607540B (en) * | 2012-03-16 | 2013-08-21 | 天地科技股份有限公司 | Device for measuring relative variation of underground space |
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CN102768027B (en) * | 2012-07-20 | 2014-12-10 | 山东理工大学 | Method for monitoring whole-process safe displacement of underground surrounding rock |
CN102768027A (en) * | 2012-07-20 | 2012-11-07 | 山东理工大学 | Method for monitoring whole-process safe displacement of underground surrounding rock |
CN103061813A (en) * | 2013-01-09 | 2013-04-24 | 山东理工大学 | Ultrasonic multipoint real-time monitoring method for mine surrounding rock top plate disasters |
CN103061813B (en) * | 2013-01-09 | 2014-09-17 | 山东理工大学 | Ultrasonic multipoint real-time monitoring method for mine surrounding rock top plate disasters |
CN103510985A (en) * | 2013-10-08 | 2014-01-15 | 中国矿业大学 | Roadway surrounding rock surface deformation laser measuring device and method |
CN103510985B (en) * | 2013-10-08 | 2016-02-03 | 中国矿业大学 | Roadway surrounding rock areal deformation laser measuring device for measuring and method |
CN103791849A (en) * | 2014-01-27 | 2014-05-14 | 武汉长澳大地工程有限公司 | Monitoring system and measuring method for laser intelligent response type tunnel convergence |
CN107203010A (en) * | 2017-06-05 | 2017-09-26 | 山东理工大学 | Underground space country rock disaster, which is released, and can buffer method of real-time |
CN107703801A (en) * | 2017-09-30 | 2018-02-16 | 云南云岭高速公路交通科技有限公司 | Round-the-clock Tunnel collapses early warning system and application method |
CN107703801B (en) * | 2017-09-30 | 2024-04-16 | 云南云岭高速公路交通科技有限公司 | All-weather tunnel primary support collapse early warning system and use method thereof |
CN108050952A (en) * | 2018-01-16 | 2018-05-18 | 陕西高速星展科技有限公司 | A kind of tunnel cross-section DEFORMATION MONITORING SYSTEM and monitoring method |
CN108050952B (en) * | 2018-01-16 | 2023-10-13 | 陕西高速星展科技有限公司 | Method for monitoring tunnel section deformation by using tunnel section deformation monitoring system |
CN108519062A (en) * | 2018-04-11 | 2018-09-11 | 辽宁工程技术大学 | Communication pipe deformation monitoring device and method |
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