CN109387244A - A kind of intelligent monitoring method and system of mine fault stability - Google Patents
A kind of intelligent monitoring method and system of mine fault stability Download PDFInfo
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- CN109387244A CN109387244A CN201811090025.XA CN201811090025A CN109387244A CN 109387244 A CN109387244 A CN 109387244A CN 201811090025 A CN201811090025 A CN 201811090025A CN 109387244 A CN109387244 A CN 109387244A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The present invention provides a kind of intelligent monitoring method of mine fault stability, comprising steps of in mine at least one monitoring tunnel of near Faults setting to be monitored, the medium-length hole of more than one through-going fault upper lower burrs of independent Drilling in monitoring tunnel side lane side, the fixed embedded tomography monitor for stress at least two medium-length holes, fixed embedded faulty displacement monitoring device in remaining at least two medium-length holes, and the monitoring point of same device is distributed in upper lower burrs, construct tomography stability multi-source information stereoscopic monitoring network, monitoring data acquire emitter by data and Radio Transmission Technology is sent to communication base station, and it is transferred to Ground Data Processing System and is analyzed and processed.A kind of intelligent monitor system of mine fault stability is also provided.The present invention is able to achieve the efficient identification of fault activation precursor information and the stereoscopic monitoring and early warning of tomography stress and displacement, and monitoring system stability is good, reliability is high, at low cost.
Description
Technical field
The invention belongs to mines to adopt disaster monitoring technical field, and in particular to a kind of intelligence prison of mine fault stability
Survey method and system.
Background technique
All by certain architectonic control, many has been formed for the formation, distribution of various mineral products and occurrence status in the earth's crust
Ore body may also suffer later period crustal movement influence and generate bending or fracture.As a kind of most commonly seen geological structure, break
The presence of layer seriously affects shaft production design and resource recovery rate, and is acted on by weathering Erosion and stress concentration, shear-zone rock
Stone is more broken, it is difficult to carry out supporting control, when meeting tomography roof fall wall caving and large deformation easily occur for well lane engineering.In addition,
Gas, water and weak intercalated layer and high-magnitude elastic strain energy are often enriched with inside shear-zone, tomography easily induces when generating activation
The dynamic disasters such as rock burst (bump), coal and gas prominent, gushing water, prominent mud.Especially for metal mine, because generally adopting
With the more stope blasting excavation techniques in more middle sections, dug up mine frequent perturbation action by upper middle section, lower middle section, the more stopes in this middle section, tomography
Potential activation risk increasingly increases.Therefore, grasp major fault or the stability of mineralizing fault seems outstanding in Mine Safety in Production
For necessity.
To monitor the fracture belt state of activation, a kind of effective approach is to be acquired in real time using microseismic system by sensor
The seismic signal that region rock masses fracturing is launched, the stress-strain state by analyzing country rock judge the stability of rock stratum.But
It is that microseismic system monitoring network arrangement is many and diverse, input cost is high, and sensor, which is influenced, by underground complex environment easily damages failure, and
By a variety of noise jammings such as underground blasting, mechanical movement in acquisition, transmission process, the operation of microseismic system scene needs microseismic signals
Special messenger is wanted to safeguard and signal analysis and processing, therefore, this method is difficult to mining conditions are poor, the backward and economic effect of scientific and technological level
The Medium and smaller mines of beneficial difference promote and apply.Another way is that arrangement long anchor cable is aided with anchor dynamometer, multi-point in drilling
Meter monitoring tomography upper lower burrs tension and change in displacement are moved, then analyzes tomography stability, but the monitoring means generally requires
Scene manually acquires each measuring point data, and large labor intensity, safety are poor, it is difficult to realize automation real-time monitoring.In consideration of it, urgent
Need to study a kind of inexpensive, adaptable and can be realized tomography STABILITY MONITORING intelligent monitoring method or system.
Summary of the invention
For deficiency existing for existing mine fault STABILITY MONITORING technology, the technical problem to be solved by the present invention is to provide one
The intelligent monitoring method of kind mine fault stability, by the monitoring lane that certain amount is arranged in mine near Faults to be monitored
Road, is then arranged the medium-length hole of the through-going fault upper lower burrs of certain amount in monitoring tunnel, and is arranged in the medium-length hole of part
Faulty displacement monitoring device is arranged in tomography monitor for stress in remaining medium-length hole in addition to this, constructs tomography stability
Multi-source information stereoscopic monitoring network realizes the tomography real-time monitoring of disk stress and change in displacement situation up and down.It respectively supervises in monitoring region
The data of measuring point are real-time transmitted to communication base station by Radio Transmission Technology, facilitate subsequent carry out Data Analysis Services.The present invention
It is able to achieve the intellectual monitoring of mine fault stability and adopts and act lower fault activation early warning, guarantee the safe and efficient life in mine
It produces.That the present invention also provides a kind of stability is good, reliability is high, the intelligent monitor system of mine fault stability at low cost.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of intelligent monitoring method of mine fault stability, comprising steps of
S1. in mine at least one monitoring tunnel of near Faults setting to be monitored, the monitoring tunnel is the existing lane Cai Zhun
Road and/or newly-built tunnel, are independently located at hanging wall and/or lower wall；
S2. more than one through-going fault upper lower burrs of independent Drilling in the nearest side lane side of tunnel detachment layer are monitored at every
Medium-length hole so that it is all monitoring tunnel in medium-length hole number summation be no less than four；
S3. fixed respectively at least two medium-length holes to bury tomography monitor for stress, it is deep in remainder at least two
Fixed embedded faulty displacement monitoring device, the tomography monitor for stress are respectively arranged with more than two first respectively in hole
Monitoring point, wherein the first monitoring point is distributed in tomography upper lower burrs, the faulty displacement monitoring device is respectively arranged with two
A the second above monitoring point, wherein the second monitoring point is distributed in tomography upper lower burrs, building tomography stability multi-source letter
Cease stereoscopic monitoring network；The tomography monitor for stress is electrically connected one by one with the first data acquisition emitter, described disconnected
Layer displacement monitor is electrically connected one by one with the second data acquisition emitter, the first and second data acquisition transmitting dress
It sets the monitoring data for receiving tomography monitor for stress and the transmission of faulty displacement monitoring device respectively and utilizes Radio Transmission Technology
Send communication base station for the monitoring data, the communication base station by the monitoring data received be transferred to data processing system into
Row analysis processing.
Preferably, the medium-length hole tilts up and/or down respectively.
Preferably, the vertical spacing in the monitoring tunnel is 5.0~20.0m, medium-length hole 10.0~30.0m of depth, in tomography
Penetration depth is not less than 2.0m in the rock mass of two sides.
Preferably, the monitoring number of lanes is two or more, and embedded disconnected in the medium-length hole in same monitoring tunnel
Ply stress monitoring device or faulty displacement monitoring device, so that tomography monitor for stress and faulty displacement monitoring device subregion cloth
It sets.
Preferably, in the tomography monitor for stress, it further includes for connecting that the first monitoring point, which is anchor pole section stress meter,
Connect several anchor poles of the anchor pole section stress meter.
It is furthermore preferred that the anchor pole section stress count number is 3~5, arranged along medium-length hole depth direction uniform intervals.
Further, the anchor pole section stress meter is fixed using slip casting method.
It is furthermore preferred that the tomography monitor for stress further includes several first connector sleeves, by the between the anchor pole
One connector sleeve, which connects, realizes spreading.Further, between the anchor pole and the first connector sleeve, the anchor pole section stress meter and anchor pole
Between be threadedly coupled.
Preferably, in the faulty displacement monitoring device, the second monitoring point is anchoring claw, further includes displacement sensor, solid
Determine pedestal and several measuring staffs, institute's displacement sensors are placed in outside hole, are connected with fixed pedestal tail portion, and the anchoring claw is fixed on hole
On wall country rock, and it is fixedly connected by measuring staff with fixed pedestal head.
It is furthermore preferred that institute's displacement sensors surface is also arranged with protective cover.
It is furthermore preferred that the measuring staff is fixedly connected with anchoring claw central area.
It is furthermore preferred that the anchoring claw quantity is 3~5, arranged along medium-length hole depth direction uniform intervals.
It is furthermore preferred that the faulty displacement monitoring device further includes several second connector sleeves, by the between the measuring staff
Two connector sleeves, which connect, realizes spreading.Further, it is threadedly coupled between second connector sleeve and measuring staff.
Preferably, first and second data acquisition emitter include data acquisition module, signal conversion module,
Data transmission module, signal enhancing module and power supply module, monitoring data successively through data acquisition module, signal conversion module,
After signal enhancing module and data transmission module, communication base station is transferred to by Zigbee Radio Transmission Technology.
Preferably, the metalwork in the tomography monitor for stress and faulty displacement monitoring device is all made of high intensity
Metal material is made, and carries out galvanized anticorrosive processing on surface.
A kind of intelligent monitor system of mine fault stability, including being independently located at hanging wall and/or lower wall at least
One monitoring tunnel, every monitors independent Drilling in the nearest side lane side of tunnel detachment layer and has more than one through-going fault or more
The medium-length hole of disk, and the medium-length hole number summation in all monitoring tunnels is no less than four；
It further include the tomography monitor for stress of the fixed identical quantity being embedded at least two medium-length holes, and fixed
It is embedded in the faulty displacement monitoring device of the identical quantity in remaining at least two medium-length holes, the tomography monitor for stress is set
More than two first monitoring points are equipped with, wherein the first monitoring point is distributed in tomography upper lower burrs, the fault displcement prison
It surveys device and is provided with more than two second monitoring points, wherein the second monitoring point is distributed in tomography upper lower burrs, formed disconnected
Layer stability multi-source information stereoscopic monitoring network；The tomography monitor for stress and the first data acquisition emitter are electric one by one
Property connection, the faulty displacement monitoring device and the second data acquire emitter and are electrically connected one by one；
It further include communication base station and data processing system, the first and second data acquisition emitter receives disconnected respectively
Ply stress monitoring device and the monitoring data of faulty displacement monitoring device transmission simultaneously utilize Radio Transmission Technology by the monitoring data
It is sent to communication base station, the monitoring data received are transferred to data processing system and are analyzed and processed by the communication base station.
Preferably, the medium-length hole tilts up and/or down respectively.
Preferably, the vertical spacing in the monitoring tunnel is 5.0~20.0m, medium-length hole 10.0~30.0m of depth, in tomography
Penetration depth is not less than 2.0m in the rock mass of two sides.
Preferably, the monitoring number of lanes is two or more, and embedded disconnected in the medium-length hole in same monitoring tunnel
Ply stress monitoring device or faulty displacement monitoring device, so that tomography monitor for stress and faulty displacement monitoring device subregion are handed over
For arrangement.
Preferably, in the tomography monitor for stress, it further includes for connecting that the first monitoring point, which is anchor pole section stress meter,
Connect several anchor poles of the anchor pole section stress meter.It is furthermore preferred that the anchor pole section stress count number is 3~5, along middle depth
Hole depth direction uniform intervals arrangement, fixed form is preferably that slip casting is fixed.It is furthermore preferred that the tomography monitor for stress is also
Including several first connector sleeves, is connected between anchor pole by the first connector sleeve and realize spreading.Most preferably, the anchor pole and first
It is to be threadedly coupled between connector sleeve, between the anchor pole section stress meter and anchor pole.
Preferably, in the faulty displacement monitoring device, the second monitoring point is anchoring claw, further includes displacement sensor, solid
Determine pedestal and several measuring staffs, institute's displacement sensors are placed in outside hole, are connected with fixed pedestal tail portion, and the anchoring claw is fixed on hole
On wall country rock, and it is fixedly connected by measuring staff with fixed pedestal head.
It is furthermore preferred that institute's displacement sensors further include the protective cover for being set in displacement sensor surface.
It is furthermore preferred that the measuring staff is fixedly connected with anchoring claw central area.
It is furthermore preferred that the anchoring claw quantity is 3~5, arranged along medium-length hole depth direction uniform intervals, by anchoring
Mechanical friction generates fixation between pawl and country rock.
It is furthermore preferred that the faulty displacement monitoring device further includes several second connector sleeves, by the between the measuring staff
Two connector sleeves, which connect, realizes spreading.Further, it is threadedly coupled between second connector sleeve and measuring staff.
Preferably, first and second data acquisition emitter include data acquisition module, signal conversion module,
Data transmission module, signal enhancing module and power supply module, monitoring data successively through data acquisition module, signal conversion module,
After signal enhancing module and data transmission module, communication base station is transferred to by Zigbee Radio Transmission Technology.
Preferably, the metalwork in the tomography monitor for stress and faulty displacement monitoring device is all made of high intensity
Metal material is made, and carries out galvanized anticorrosive processing on surface.
The beneficial effects of the present invention are:
(1) by the medium-length hole in the monitoring more than four through-going fault upper lower burrs of tunnel Drilling, and at least two
It is fixed respectively in deep hole to bury tomography monitor for stress, it is fixed respectively in remaining at least two medium-length holes to bury fault displcement
Monitoring device, and guarantee that the monitoring point of tomography monitor for stress and faulty displacement monitoring device is distributed in tomography or more simultaneously
Disk constructs tomography stability multi-source information stereoscopic monitoring network.Wherein, 2 or more energy are respectively arranged in displacement and monitor for stress
Guarantee that each parameter has comparison, prevents single hole from failing.The tomography stress and displacement data of each measuring point monitoring are adopted by data
Collection emitter and Radio Transmission Technology are real-time transmitted to communication base station, handle convenient for subsequent analysis, realize monitoring tomography or more
The tension of disk and the intelligent real time monitoring of change in displacement situation.
(2) when carrying out data processing, different location rock mass stress and change in displacement in fault plane and upper lower burrs can be passed through
Analysis carries out the efficient identification of fault activation precursor information and the stereoscopic monitoring and early warning of tomography stress and displacement, and monitoring system is steady
It is qualitative it is good, reliability is high, at low cost, overcome monitoring regional artificial acquire data large labor intensity, operational security difference and have
Line transmission is not convenient for safeguarding and puts into the disadvantages of big.
Detailed description of the invention
Fig. 1 is the system layout of the embodiment of the present invention 1；
Fig. 2 is tomography monitor for stress structural schematic diagram；
Fig. 3 is faulty displacement monitoring apparatus structure schematic diagram；
Fig. 4 is A-A diagrammatic cross-section in Fig. 1；
Fig. 5 is B-B diagrammatic cross-section in Fig. 1；
In figure: 1- tomography, 2- tomography monitor for stress, 3- faulty displacement monitoring device, 4- slurry, 5- medium-length hole, 6-
Tunnel is monitored, the first data of 71- acquire emitter, and the second data of 72- acquire emitter, 8- wireless signal, and 9- is mainly transported
Defeated lane, 10- communication base station, 11- optical fiber cable, 12- crossdrift, 13- pit shaft, 14- master control computer room；201- slip casting connecting tube, 202-
Outlet hole, 203- bolt and nut component, the 204- rope made of hemp, 205- slip casting casing, the first connector sleeve of 206-, 207- anchor pole section stress
Meter, 208- anchor pole；301- protective cover, 302- displacement sensor, 303- fixed pedestal, 304- Anchor Agent, 305- measuring staff, 306- anchor
Gu pawl, the second connector sleeve of 307-.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in detail.
Embodiment 1
It is the intelligent monitor system of mine fault stability of the present invention referring to Fig. 1-5, including vertical is set on tomography 1
3 monitoring tunnels 6 in disk rock mass, every vertical spacing in monitoring tunnel 6 are 5.0~20.0m.Each monitoring 6 detachment layer 1 of tunnel is most
The middle depth of three 10.0~30.0m of depth, 50~90mm of aperture tilted upward is bored to footwall respectively in close lane side side
Hole 5, the length that medium-length hole 5 penetrates tomography upper lower burrs are not less than 2.0m.Every monitoring tunnel 65 horizontal space of medium-length hole be
10~30m.It should be noted that (particular number is according to monitoring region model in addition to medium-length hole quantity at least needs to be arranged four
Enclose determination), the position in monitoring tunnel, size and number are not particularly limited in the present invention, to the positions and dimensions of medium-length hole
It is not particularly limited, can be determined according to actual state, such as fault throw and monitoring regional scope etc..
Tomography monitor for stress 2 is buried in the medium-length hole 5 in upper and lower two monitorings tunnel 6 and carries out slip casting fixes, in
Between monitor in the medium-length hole 5 in tunnel 6 and bury faulty displacement monitoring device 3, and tomography monitor for stress 2 and faulty displacement monitoring
The monitoring point of device 3 is 2 or more, preferably 3~5, guarantees that it is distributed in upper lower burrs rock mass.It is each to guarantee
Parameter has comparison, prevents single hole from failing, and the number of tomography stress and displacement monitor need to respectively reach 2 or more.Such as
In present embodiment, it is provided with 6 tomography monitor for stress altogether and 3 tomography monitor for stress 2, monitoring point therein is each
It is 4, preferred mode is: in the total amount, the monitoring point point of tomography monitor for stress 2 and faulty displacement monitoring device 3
Other equivalent is distributed in upper lower burrs, as shown in Figure 1, to construct more uniform tomography stability multi-source information stereoscopic monitoring net
Network improves monitoring accuracy.
Wherein, the monitoring point of tomography monitor for stress 2 is anchor pole section stress meter 207, further includes anchor pole 208 and several
First connector sleeve 206, anchor pole 208 are connected with the first connector sleeve 206 by helicitic texture, and spreading anchor pole is formed.It answers in anchor pole section
Power meter 207 is spaced 3~5m distribution, and is connected by spreading anchor pole.Compared with conventional anchor dynamometer, the anchor pole of the present embodiment
Section stress meter 207 is rigid connection, more can really reflect the variation of 1 tension of tomography.
Faulty displacement monitoring device 3 is Multiple contact deformeter, and it further includes displacement sensor that monitoring point, which is anchoring claw 306,
302, protective cover 301, fixed pedestal 303, several measuring staffs 305 and several second connector sleeves 307, measuring staff 305 and the second connector sleeve
307 are connected by helicitic texture, form spreading measuring staff.Displacement sensor 302 is set to outside medium-length hole 5, and surface is arranged with protection
Cover 301, displacement sensor 302 pass through 303 tail portion of fixed pedestal and 5 anchor connection of medium-length hole.Anchoring claw 306 is enclosed with medium-length hole 5
Rock is fixed, and is connect by spreading measuring staff with 303 head of fixed pedestal.It is worth noting that, when measuring staff and bottom hole anchor
When the central area connection of pawl, fastening force is best, and all measuring staffs should be made to arrange close to anchoring claw center as far as possible.Therefore,
The link position of the present embodiment Fig. 3 measuring staff and anchoring claw simultaneously refers not to actual conditions, primarily to clearly illustrating that measuring staff
The connection relationship with fixed pedestal is grabbed with anchoring.Similar with spreading anchor pole, the rigid measuring staff of spreading is axial in fault movements lower edge
It can be pressurized or tension, the axial stress and displacement for monitoring anchor pole and measuring staff respectively using sensor can really reflect 1 tension of tomography
With the variation of displacement.
In the present embodiment, anchor pole section stress meter 207 and anchoring claw 306 are arranged along medium-length hole depth direction uniform intervals,
The stereoscopic monitoring of tomography 1 stress and displacement is better achieved.Likewise, the present invention is to anchor pole section stress meter 207 and anchoring
The quantity of pawl 306 is also all not particularly limited.
In the present embodiment, the intelligent monitor system of mine fault stability further include communication base station 10, master control computer room 14, with
The the first data acquisition emitter 71 for the identical quantity that tomography monitor for stress 2 is electrically connected one by one and and fault displcement
Second data of the identical quantity that monitoring device 3 is electrically connected one by one acquire emitter 72, and first and second data are adopted
After collection emitter receives the monitoring data that tomography monitor for stress 2 and faulty displacement monitoring device 3 transmit respectively, pass through
The monitoring data are sent communication base station 10 by Zigbee Radio Transmission Technology, and communication base station 10 is transferred to master control after receiving data
Computer room 14 is analyzed and processed.In the present embodiment, the first and second data acquisition emitter includes data acquisition module, letter
Number conversion module, data transmission module, signal enhancing module and power supply module, acquisition module collect monitoring data and are simultaneously transmitted to letter
Number modulus of conversion forms electric signal, which passes sequentially through signal enhancing module and data transmission module is transferred to communication base station
10。
For the service performance for improving the intelligent monitor system, prolong the service life, tomography monitor for stress 2 and tomography position
The metalwork moved in monitoring device 3 is all made of high duty metal material and is process, and carries out galvanized anticorrosive processing on surface.
Embodiment 2
Referring to Fig. 1-5, a kind of intelligent monitoring method of mine fault stability includes the following steps:
1. using near the tomography 1 to be monitored of mine existing segmentation tunnel or newly-built tunnel as monitoring tunnel 6, altogether arrange
It 3, is located in the upper disk rock mass of tomography 1, the vertical spacing in monitoring tunnel 6 is 5.0~20.0m.
2. three monitoring tunnels, 6 lane side side respectively to footwall bore three 10.0~3.0m of depth, aperture 50~
The medium-length hole 5 of 90mm tilted upward, the length that medium-length hole 5 penetrates tomography upper lower burrs are not less than 2.0m, every monitoring tunnel 6
5 horizontal space of medium-length hole be 10~30m.
3. anchor pole 208 is connected with the first connector sleeve 206 by helicitic texture, spreading anchor pole, anchor pole section stress are formed
207 interval 3~5m distribution of meter, and be connected by spreading anchor pole, then spreading anchor pole is pushed into together with anchor pole section stress meter 207
In the medium-length hole 5 in upper and lower two monitorings tunnel, guarantee that at least one anchor pole section stress meter is distributed respectively in each medium-length hole 5
In hanging wall and lower wall, formation and the isometric tomography monitor for stress 2 of 5 depth of medium-length hole are assembled with this.It answers in anchor pole section
Power meter 207 is electrically connected with the first signal wire one by one respectively, then will be outside the first signal wire one by one fairlead.It is tight with the rope made of hemp 204
Close winding slip casting casing 205 and filling in medium-length hole 5 is fixed, and 205 tail portion of slip casting casing is welded with first flange disk, slip casting
201 head of connecting tube is corresponding to be welded with second flange disk, and the first and second ring flanges realize flange by bolt and nut component 203
Connection.Outlet hole 202 of first signal wire through reserving on slip casting casing 205 and slip casting connecting tube 201 is drawn, and is adopted with the first data
Collect emitter 71 to be connected.Aperture slip casting is carried out into medium-length hole 5 through slip casting connecting tube 201 using grouting system, after condensation
Slurry 4 is fixed by anchor pole section stress meter 207 and couples with country rock.
4. anchoring claw 306 is fixed in 305 one end of measuring staff, by helical structure built in the second connector sleeve 307 by measuring staff 305
It is joined together to form one group of lengthening measuring staff, is then gradually pushed into the lengthening measuring staff in the medium-length hole 5 in middle part monitoring tunnel both
Positioning is set, and is fixed using anchoring claw 306 and medium-length hole country rock.It lengthens the measuring staff other end and passes through fixed pedestal 303 and position
Displacement sensor 302 is connected, and displacement sensor 302 has protective cover 301, assembles to form faulty displacement monitoring device 3 with this.Equally
, it need to guarantee that at least one group anchoring claw 306 is respectively distributed in the upper disk and lower wall rock mass of tomography in each medium-length hole 5.Gu
Determine pedestal 303 and be fixed with 5 aperture country rock of medium-length hole using Anchor Agent 304, the Anchor Agent is preferably resin anchoring agent.Position
It moves monitoring device 3 and is connect by second signal line with the second data acquisition emitter 72.
By tomography monitor for stress 2 and faulty displacement monitoring device 3 be distributed in three monitoring tunnels 6 in totally 9 it is deep
In hole 5, three-dimensional multi-source information monitoring network is constituted, is able to achieve tomography and two sides rock mass different location tension and the intelligence of displacement
Real-time monitoring.In the present embodiment, it includes data acquisition module, signal modulus of conversion that the first and second data, which acquire emitter,
Block, data transmission module, signal enhancing module and power supply module, acquisition module record the stress of monitoring and displacement data
Electric signal is formed through signal conversion module, then passes sequentially through signal enhancing module and data transmission module for the electric signal with nothing
The unity of form of line signal 8 is transmitted to the communication base station 10 in neighbouring prevailing traffic lane 9, then by optical fiber cable 11 through crossdrift 12
Earth's surface master control computer room 14 is transmitted to the equal roadways of pit shaft 13 to be analyzed and processed.First and second data acquire in emitter,
Power supply module is maintained using battery or mobile power source, can meet the needs of Zigbee wireless transmission for a long time.
When the anchor pole section stress meter of near Faults, which is read, to be increased suddenly compared with remaining anchor pole section stress meter, show
Tomography tension increases, and has tendency toward sliding, as Precursory Characters, is prevented.It needs to pay special attention to fault displcement at this time
The data variation of monitoring device shows tomography or more when faulty displacement monitoring device also monitors that change in displacement occurs in tomography
Disk generates the changing of the relative positions, and tomography generates activation unstability, needs to be immediately performed urgent prediction scheme, and people and Reinforcement are removed in halt production.
With embodiment 1, (particular number is true according to monitoring regional scope in addition to medium-length hole quantity at least needs to be arranged four
It is fixed), the position in monitoring tunnel, size and number are not particularly limited in the present invention, also do not have to the positions and dimensions of medium-length hole
It is particularly limited to, likewise, the quantity to anchor pole section stress meter and anchoring claw is also all not particularly limited.
The application of the embodiment is further illustrated below with reference to concrete condition.
In the present solution, 60 ° of 1 inclination angle of tomography, moves towards north and south, monitoring tunnel 6 is to break close to the fragmented transport tunnel of tomography 1
Face size 4m*4m, using Boomer K111 hydraulic drill ring from top to bottom respectively under tomography 1 in three monitoring tunnels 6
Three aperture 60mm of disk Drilling, depth 20m on to inclination medium-length hole 5, medium-length hole 5 and 1 angle of tomography are 48 °.Upper and lower
Two monitoring tunnel 6 each medium-length hole 5 in respectively bury tomography monitor for stress 2, middle part monitoring tunnel 6 it is each in
Deep hole 5 buries faulty displacement monitoring device 3 respectively.Tomography monitor for stress 2 includes 4 of spreading anchor pole and interval 4m distribution
Anchor pole section stress meter 207 and the first signal wire, single-unit anchor pole are the twisted steel anchor rod of length 1.5m, diameter 22mm, are separately had
The anchor pole of 0.5m and 1.0m length, which is used as, matches bar, facilitates connection.207 tension of anchor pole section stress meter and resistance to compression range are respectively
200MPa and 150MPa.Slip casting casing 205 pipe range 0.5m, thickness of pipe wall 5mm, diameter 42mm are tied on pipe shaft and lean on aperture country rock
The rope made of hemp 204 frictionally secured, the first and second flange disk diameters are 15cm, and thickness is 10mm.203 type of bolt and nut component
It number is M14, slip casting connecting tube 201 matches with 205 size of slip casting casing.
It is infused in the medium-length hole 5 into upper and lower part monitoring tunnel 6 using cement-water glass double grouting system
Slurry, ratio of mud 0.8:1, cement slurry and waterglass volume ratio 1:0.5, concentration of sodium silicate are 35 Baume degrees, and cement uses 42.5 silicon
Acid salt cement, slip casting pump pressure are set to 1.0MPa.
Faulty displacement monitoring device 3 includes 4 groups of spreading measuring staffs, fixed pedestal 303 and the displacement sensing with protective cover 301
Device 302, the equal spiral in spreading measuring staff head is connected with anchoring claw 306 in each medium-length hole 5, the distance according to anchoring claw apart from aperture
The measuring staff length of difference, 4 groups of spreadings is respectively 16m, 12m, 8m and 4m.
First and second data acquire the tomography position that emitter will monitor real-time monitoring in each medium-length hole 5 in region respectively
Shifting and stress data acquisition and the communication base station being emitted in prevailing traffic tunnel 9, are transferred to earth's surface by communication cable.Work as monitoring
When there are Sudden Anomalies to tomography two sides anchor pole section stress, it can assert that tomography has activation tendency, need to reinforce taking precautions against；When into one
When step monitors that significant changes occurs in tomography two sides anchor pole cross-sectional displacement, it is believed that tomography has generated activation unstability, needs immediately
It executes urgent prediction scheme halt production and removes people.The intelligent real time monitoring of mine fault stability is able to achieve using this method and is adopted under movement use
Fault activation early warning fully ensures that mine safety efficiently produces, and monitoring stability is good, reliability is high, at low cost.
The above embodiments and description only describe concrete operating principles of the invention, are not departing from the present invention
Under the premise of spirit and scope, various changes and improvements may be made to the invention, these changes and improvements both fall within claimed
In the scope of the invention.
Claims (10)
1. a kind of intelligent monitoring method of mine fault stability, which is characterized in that comprising steps of
S1. at least one monitoring tunnel of mine near Faults to be monitored setting, the monitoring tunnel be existing development heading with/
Or newly-built tunnel, it is independently located at hanging wall and/or lower wall；
S2. it is monitored at every in the nearest side lane side of tunnel detachment layer in more than one through-going fault upper lower burrs of independent Drilling
Deep hole, so that the medium-length hole number summation in all monitoring tunnels is no less than four；
S3. fixed respectively at least two medium-length holes to bury tomography monitor for stress, in remaining at least two medium-length holes
Fixed embedded faulty displacement monitoring device respectively, the tomography monitor for stress are respectively arranged with more than two first monitorings
Point, wherein the first monitoring point is distributed in tomography upper lower burrs, the faulty displacement monitoring device be respectively set there are two with
On the second monitoring point, wherein the second monitoring point is distributed in tomography upper lower burrs, building tomography stability multi-source information is vertical
Body monitoring network；The tomography monitor for stress is electrically connected one by one with the first data acquisition emitter, the tomography position
It moves monitoring device to be electrically connected one by one with the second data acquisition emitter, the first and second data acquisition emitter point
It Jie Shou not the monitoring data that send of tomography monitor for stress and faulty displacement monitoring device and should using Radio Transmission Technology
Monitoring data are sent to communication base station, and the monitoring data received are transferred to data processing system and are divided by the communication base station
Analysis processing.
2. the intelligent monitoring method of mine fault stability according to claim 1, which is characterized in that the monitoring tunnel
Quantity is two or more, and embedded tomography monitor for stress or faulty displacement monitoring in the medium-length hole in same monitoring tunnel
Device, so that tomography monitor for stress and faulty displacement monitoring device subregion are arranged.
3. a kind of intelligent monitor system of mine fault stability, which is characterized in that including be independently located at hanging wall and/or under
At least one monitoring tunnel of disk, every monitors independent Drilling in the nearest side lane side of tunnel detachment layer and has more than one to run through
The medium-length hole of tomography upper lower burrs, and the medium-length hole number summation in all monitoring tunnels is no less than four；
It further include the tomography monitor for stress of the fixed identical quantity being embedded at least two medium-length holes, and fixed embedded
The faulty displacement monitoring device of identical quantity in remaining at least two medium-length holes, the tomography monitor for stress are provided with
More than two first monitoring points, wherein the first monitoring point is distributed in tomography upper lower burrs, the faulty displacement monitoring dress
It installs and is equipped with more than two second monitoring points, wherein the second monitoring point is distributed in tomography upper lower burrs, it is steady to form tomography
Qualitative multi-source information stereoscopic monitoring network；The tomography monitor for stress electrically connects one by one with the first data acquisition emitter
It connects, the faulty displacement monitoring device is electrically connected one by one with the second data acquisition emitter；
It further include communication base station and data processing system, the first and second data acquisition emitter receives tomography respectively and answers
Power monitoring device and the monitoring data of faulty displacement monitoring device transmission are simultaneously sent the monitoring data using Radio Transmission Technology
To communication base station, the monitoring data received are transferred to data processing system and are analyzed and processed by the communication base station.
4. the intelligent monitor system of mine fault stability according to claim 3, which is characterized in that the medium-length hole point
It does not tilt up and/or down.
5. the intelligent monitor system of mine fault stability according to claim 3 or 4, which is characterized in that the monitoring
Number of lanes is two or more, and embedded tomography monitor for stress or fault displcement in the medium-length hole in same monitoring tunnel
Monitoring device, so that tomography monitor for stress and faulty displacement monitoring device subregion are arranged.
6. the intelligent monitor system of mine fault stability according to claim 3 or 4, which is characterized in that the monitoring
The vertical spacing in tunnel is 5.0~20.0m；Medium-length hole 10.0~30.0m of depth, penetration depth is distinguished not in the rock mass of tomography two sides
Less than 2.0m.
7. the intelligent monitor system of mine fault stability according to claim 3 or 4, which is characterized in that the tomography
In monitor for stress, it further includes by connecting based on the anchor pole section stress that the first monitoring point, which is anchor pole section stress meter,
Several anchor poles；In the faulty displacement monitoring device, it further includes displacement sensor, fixed pedestal that the second monitoring point, which is anchoring claw,
With several measuring staffs, institute's displacement sensors are placed in outside hole, are connected with fixed pedestal tail portion, and the anchoring claw is fixed on hole wall country rock
On, and be fixedly connected by measuring staff with fixed pedestal head.
8. the intelligent monitor system of mine fault stability according to claim 7, which is characterized in that the anchor pole section
Stress meter and anchoring claw quantity are 3~5, are arranged along medium-length hole depth direction uniform intervals.
9. the intelligent monitor system of mine fault stability according to claim 7, which is characterized in that the tomography stress
Monitoring device further includes several first connector sleeves, is connected between the anchor pole by the first connector sleeve and realizes spreading；The tomography
Displacement monitor further includes the protective cover and several second connector sleeves for being set in displacement sensor surface, is passed through between measuring staff
Second connector sleeve, which connects, realizes spreading.
10. the intelligent monitor system of mine fault stability according to claim 7, which is characterized in that first He
It includes data acquisition module, signal conversion module, data transmission module, signal enhancing module that second data, which acquire emitter,
And power supply module, monitoring data are successively through data acquisition module, signal conversion module, signal enhancing module and data transmission module
Afterwards, communication base station is transferred to by Zigbee Radio Transmission Technology.
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