CN107193039B - A kind of mechanical microquake sources and monitoring system and application method - Google Patents
A kind of mechanical microquake sources and monitoring system and application method Download PDFInfo
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- CN107193039B CN107193039B CN201710443814.6A CN201710443814A CN107193039B CN 107193039 B CN107193039 B CN 107193039B CN 201710443814 A CN201710443814 A CN 201710443814A CN 107193039 B CN107193039 B CN 107193039B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/133—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
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Abstract
The invention discloses a kind of mechanical microquake sources and monitoring system and application method, the microquake sources include driving power, pressure accumulation cavity, safety valve, penetrate energy head；It is characterized by: the gas outlet of the pressure accumulation cavity is connected with safety valve in turn, penetrates energy head；It is equipped with air inlet on pressure accumulation cavity, is equipped with check valve in air inlet；The size of pressure in the driving dynamic Control pressure accumulation cavity.Microseismic monitoring system includes microquake sources, envelope eapsulotomy box, microseismic signals monitoring device, control computer, microseismic sensors, it is characterised in that: the electronic switch of microquake sources is electrically connected with control computer；One end of microseismic signals monitoring device is electrically connected with control computer, and the other end is successively electrically connected with envelope eapsulotomy box, microseismic sensors.The configuration of the present invention is simple, easy to operate, it is controllable that energy discharges size, direction, can networking；Focus frequency is low, at low cost, and use is safe, provides hardware device support for micro seismic monitoring.
Description
Technical field
The present invention relates to a kind of mechanical microquake sources and monitoring system and application method, belong to rock mass On Microseismic Monitoring Technique neck
Domain.
Technical background
With gradually reducing for superficial part resource, a large amount of mine is developed to underground deep.In tunnel and adit digging process
In, deep high-ground stress is caused to disturb, crustal stress collection is brought it about and neutralizes redistribution, originally stable country rock is caused to be in
Unstable state.In rock mass inelastic deformation (crack propagation, Rock Mass unstability etc.) occurs for the elastic potential energy gathered in rock mass
It gradually or is suddenly discharged in the form of seismic wave in the process, to generate a series of microseismic event.The unexpected nothing of elastic potential energy
Sequence release often induces the generation of the disasters such as fault slip or rock burst, seriously constrains the normal production operation in mine.Using
On Microseismic Monitoring Technique is monitored to microseismic event when rupturing in rock mass and analyzes the data that processing obtains, and can determine
Hypocentral location, earthquake magnitude size and the exergonic information that microseismic event occurs.Therefore, microseism is constructed in deep mining mine
Monitoring system is imperative.
Traditional micro seismic monitoring process is all to be monitored with explosion as focus, in order to analyze bursting work to mine lane
The influence in road and chamber stability, the region of monitoring mix a large amount of explosion in the data that monitor mostly close to explosion place
Event, and there is presently no method can automatic accurate identification explosion events and microseismic event, it is most of require by people into
Row picks up by hand, which will not only expend a large amount of manpower and material resources and financial resources, and needs to take a long time.It is main
, the precision manually picked up is not high, this has very big drawback during instructing mining production.
Therefore, researching and developing one kind can Fast Installation and use simplicity and the controllable active for being well reflected microseism focus
Focus is necessary.
Summary of the invention
First technical problem to be solved by this invention is to provide one kind can Fast Installation and using easy and very
Reflect the mechanical controllable active focus of microseism seismic source information well.
The installation that second technical problem to be solved by this invention is to provide above-mentioned mechanical controllable active focus makes
Use method.
In order to solve first above-mentioned technical problem, a kind of mechanical microquake sources provided by the invention, the microquake sources
Including driving power, pressure accumulation cavity, safety valve, penetrate energy head；
The gas outlet of the pressure accumulation cavity is connected with safety valve in turn, penetrates energy head；Air inlet is equipped on pressure accumulation cavity, into
Check valve is equipped in port；The size of pressure in the driving dynamic Control pressure accumulation cavity.
A kind of mechanical microquake sources of the present invention, the driving power includes motor (2), flywheel (3), crankshaft (4)；It is described
Pressure accumulation cavity includes piston (8), cylinder (9)；The motor (2) is electrically connected with electronic switch (1), passes through electronic switch (1)
Control the on-off of motor (2) power supply, the output driving flywheel (3) of motor (2), one end company of flywheel (3) and crankshaft (4)
It connects；The other end of crankshaft (4) is connected with the connecting rod (6) being set on piston (8), and driving piston (8) is back and forth transported in cylinder (9)
It is dynamic；On cylinder (9), it is additionally provided with gas outlet and air inlet；The gas outlet is connected with safety valve in turn, penetrates energy head；It is described into
Port is equipped with inlet valve (10)；The safety valve is fall lift type spring safety valve (11).
A kind of mechanical microquake sources of the present invention, the driving power are consistent with the quantity of pressure accumulation cavity.
A kind of mechanical microquake sources of the present invention, the electronic switch (1) are one.
A kind of mechanical microquake sources of the present invention, multiple groups driving power are electrically connected with the same electronic switch (1), and networking is realized
More focus trigger simultaneously.
A kind of mechanical microquake sources of the present invention, are equipped with 2-5 inlet valve (10) on cylinder (9).
A kind of mechanical microquake sources of the present invention, the nominal pressure of fall lift type spring safety valve (11) are tested according to micro seismic monitoring
The vibration energy size of design determines.
A kind of mechanical microquake sources of the present invention, with the sequentially connected safety valve in cylinder (9) gas outlet, penetrate can head pass through screw thread
Connection is screwed, junction is equipped with gasket, prevents gas leakage, guarantees focus effect；The inlet valve being connect with cylinder (9) air inlet
(10) connected by threaded engagement, junction is equipped with gasket.
A kind of Microseismic monitoring system comprising mechanical microquake sources of the present invention, including microquake sources, it is envelope eapsulotomy box (5), micro-
Shake signal monitoring device (7), control computer (12), microseismic sensors (14), it is characterised in that: the electronic switch (1) of microquake sources
It is electrically connected with control computer (12)；One end of microseismic signals monitoring device (7) is electrically connected with control computer (12), and the other end is successively
It is electrically connected with envelope eapsulotomy box (5), microseismic sensors (14), penetrating in microquake sources is arranged in the microseismic sensors (14) can head
Periphery, can be 0.5-500 meters of head distance with penetrating.
A kind of application method of the Microseismic monitoring system comprising mechanical microquake sources of the present invention, includes the following steps:
Step 1: connecting a component by the Microseismic monitoring system structure composition comprising mechanical microquake sources；
Step 2: requiring according to micro seismic monitoring experimental design, the number and microseismic sensors number of mechanical microquake sources are determined
Mesh is placed in place to be measured, and connect with envelope eapsulotomy box and Microseismic monitoring system, and opening Microseismic monitoring system enters data and adopts
Collection state；
Step 3: the number of the mechanical microquake sources determined according to second step, drills in place to be measured, drilling hole amount and machine
Tool decline focus number it is consistent, after borehole cleaning, Microseismic monitoring system that the first step obtains control computer (12) is placed in ground,
In rest part load hole；
Step 3: operation control computer (12), is triggered electronic switch (1), so that motor (2) is powered and start running, drive
Flywheel (3), crankshaft (4), connecting rod (6) movement, driving piston (8) movement in the cylinder (9) make pressure in cylinder (9) sharply
Increase, when cylinder (9) interior pressure reaches the critical pressure of fall lift type spring safety valve (11), safety valve is automatically opened, high pressure
Air-flow is sprayed from energy head (13) is penetrated, and is generated impact to measuring point, is formed a controllable active focus；
Step 4: microseismic signals monitoring device (7) acquires signal and is stored in control computer (12)；Signal acquisition is completed
Afterwards, take out the Microseismic monitoring system in hole, clear up the sundries between all parts, after the completion of cleaning, by it is described it is mechanical can
Control active focus and other all test apparatuses are taken back.
In mechanical controllable active microquake sources provided by the invention, all components can be repeated several times use.
The working principle of the invention is briefly described as below: under microquake sources original state, the piston (8) is in the cylinder
(9) right end.The electronic switch (1) and control computer (12) connection, when by described in the control computer triggering
Electronic switch after, connecting the motor (2) makes its energization, drives the flywheel (3) to rotate, and then by described
Crankshaft (4) and connecting rod (6) drive the piston (8) to be moved.It is described after the flywheel (3) rotates a circle
Electronic switch disconnects, and system cut-off is made to shut down.The process can be divided into two stages, and the first stage is expiratory phase, the rank
Piston (8) described in section is slided from right end to left end, and the inlet valve (10) is opened at this time, and extraneous air enters institute
The cylinder (9) stated.When left end of the piston motion to the cylinder, the inlet valve is closed, into second-order
Section.The stage is the pressure accumulation stage, and the piston (8) is moved right from described cylinder (9) left end, makes the cylinder (9)
Interior air is gradually in compressive state, and pressure increased dramatically.When described cylinder (9) the interior pressure reaches the complete opening type spring
When the critical pressure of safety valve (11), safety valve is opened, and high pressure draught is sprayed from the energy head (13) of penetrating, and generates punching to measuring point
It hits, forms a controllable active focus.
Mechanical controllable active microquake sources of the present invention, can drive flywheel (3), crankshaft (4) by motor (2)
With connecting rod (6), piston (8) is pushed to move back and forth in cylinder (9), the air for sucking cylinder (9) is compressed, gas is made
Cylinder (9) interior pressure increased dramatically.When cylinder (9) interior pressure increases to the critical pressure of fall lift type spring safety valve (11), gas
The energy accumulated in cylinder (9) washes fall lift type spring safety valve (11) open in moment, is discharged by penetrating energy head (13), to region to be measured
Impact is generated, controllable active focus is formed.
Mechanical controllable active microquake sources and its application method by adopting the above technical scheme will not without stopping production
Normal production process is influenced, pollution-free, no danger, each component is Ke Xunhuanliyong, and networking can realize more focus while trigger,
Being nearly free from counter productive is a kind of safe, economic, efficient method.
It to sum up tells, the present invention is that one kind can Fast Installation and using easy and be well reflected microseism focus
Controllable active focus.
Advantage of the invention
According in above content, the advantage of mechanical controllable active focus of the invention and its application method is mainly reflected in
The following aspects:
1, it is physical process that energy process is penetrated in entire air-breathing and compression, and no-spark does not generate pernicious gas, do not set off an explosion,
Dust is few, no slungshot, economic and environment-friendly；
2, destructive seismic wave is not generated, and the influence to ambient enviroment is small；
3, entire treatment process is simple, it can be achieved that working continuously；
4, the storage, transport, use of equipment components and removal process are safe；
5, energy release is controllable, penetrate can direction it is controllable, i.e. focus orientation is controllable, and networking can realize more focus while trigger；
6, compared with explosion focus, focus frequency of the present invention is low, closer to true microseismic signals in rock；
7, all components are reusable in the present invention, greatly reduce cost, and use process is safe and efficient, are microseism
Monitoring provides hardware device support.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is use arrangement schematic diagram of the invention.
Specific embodiment
Embodiment 1
A kind of mechanical microquake sources, the microquake sources include driving power, pressure accumulation cavity, safety valve, penetrate energy head；The drive
Power includes motor (2), flywheel (3), crankshaft (4)；The pressure accumulation cavity includes piston (8), cylinder (9)；It is described electronic
Machine (2) is electrically connected with electronic switch (1), by electronic switch (1) control motor (2) power supply on-off, motor (2) it is defeated
Flywheel (3) are driven out, flywheel (3) is connect with one end of crankshaft (4)；The other end of crankshaft (4) and the connecting rod being set on piston (8)
(6) it is connected, driving piston (8) moves back and forth in cylinder (9)；On cylinder (9), it is additionally provided with gas outlet 1, air inlet 2；
The gas outlet is connected with safety valve (11) in turn, penetrates energy head (13)；Inlet valve (10) are respectively equipped on 2 air inlets；
The safety valve is fall lift type spring safety valve (11)；
With the sequentially connected safety valve in cylinder (9) gas outlet (11), penetrate can head (13) by threaded engagement connection, junction
Equipped with gasket, gas leakage is prevented, guarantees focus effect；The inlet valve (10) connecting with cylinder (9) air inlet passes through threaded engagement
Even, junction is equipped with gasket.
Embodiment 2
A kind of mechanical microquake sources, the difference from embodiment 1 is that:
One electronic switch (1) is connected with 3 driving power simultaneously, and networking realizes that more focus trigger simultaneously；Drive power
It is consistent with the quantity of pressure accumulation cavity.
Embodiment 3
A kind of Microseismic monitoring system comprising mechanical microquake sources, including microquake sources, envelope eapsulotomy box (5), microseismic signals
Monitoring device (7), control computer (12), microseismic sensors (14), it is characterised in that: the electronic switch (1) of microquake sources and control
Computer (12) electrical connection；One end of microseismic signals monitoring device (7) with control computer (12) be electrically connected, the other end successively with signal
Fidelity box (5), microseismic sensors (14) electrical connection, the microseismic sensors (14), which are arranged in microquake sources, penetrates energy head periphery,
It can be 50 meters of average distance of head with penetrating.
Embodiment 4
A kind of Microseismic monitoring system comprising mechanical microquake sources, the difference with embodiment 3 are:
One electronic switch (1) one end is electrically connected with control computer (12), and the other end is connected with 5 driving power simultaneously,
Networking realizes that more focus trigger simultaneously；Drive power consistent with the quantity of pressure accumulation cavity；Microseismic sensors (14) with penetrate can head
Distance is at 1-250 meters.
Embodiment 5
A kind of application method of the Microseismic monitoring system comprising mechanical microquake sources, includes the following steps:
Step 1: connecting Microseismic monitoring system；
Step 2: requiring according to micro seismic monitoring experimental design, the number and microseismic sensors number of mechanical microquake sources are determined
Mesh is 3, is placed in place to be measured, and connect with envelope eapsulotomy box and Microseismic monitoring system, open Microseismic monitoring system into
Enter data acquisition state；
Step 3: after borehole cleaning, the Microseismic monitoring system that the first step is obtained controls computer in place to be measured 3 holes of brill
(12) it is placed in ground, rest part is respectively charged into 3 holes；
Step 3: operation control computer (12), is triggered electronic switch (1), so that 3 motor (2) is powered respectively and start to transport
Turn, drive flywheel (3), crankshaft (4), connecting rod (6) movement, driving piston (8) movement in cylinder (9) makes the pressure in cylinder (9)
Power increased dramatically, and when cylinder (9) interior pressure reaches the critical pressure of fall lift type spring safety valve (11), safety valve is beaten automatically
It opens, high pressure draught is sprayed from energy head (13) is penetrated, and is generated impact to measuring point, is formed 3 controllable active focus；
Step 4: microseismic signals monitoring device (7) acquires signal and is stored in control computer (12)；Signal acquisition is completed
Afterwards, take out the Microseismic monitoring system in hole, clear up the sundries between all parts, after the completion of cleaning, by it is described it is mechanical can
Control active microquake sources and other all test apparatuses are taken back.
Claims (9)
1. a kind of mechanical microquake sources, the microquake sources include driving power, pressure accumulation cavity, safety valve, penetrate energy head；Its feature exists
It is connected with that safety valve, penetrate can head in turn in: the gas outlet of the pressure accumulation cavity；Air inlet, air inlet are equipped on pressure accumulation cavity
In be equipped with check valve；The size of pressure in the driving dynamic Control pressure accumulation cavity；The driving power includes motor, flies
Wheel, crankshaft；The pressure accumulation cavity includes piston, cylinder；The motor is electrically connected with electronic switch, is controlled by electronic switch
One end of the on-off of motor power, the output driving flywheel of motor, flywheel and crankshaft connects；The other end of crankshaft be set to
Connecting rod on piston is connected, and driving piston moves back and forth in the cylinder；On cylinder, it is additionally provided with gas outlet and air inlet；It is described
Gas outlet is connected with safety valve in turn, penetrates energy head；The air inlet is equipped with inlet valve；The safety valve is complete opening type spring peace
Full valve.
2. mechanical microquake sources according to claim 1, it is characterised in that: the quantity of the driving power and pressure accumulation cavity
Unanimously.
3. mechanical microquake sources according to claim 2, it is characterised in that: the electronic switch is one.
4. mechanical microquake sources according to claim 3, it is characterised in that: multiple groups drive power and the same electronic switch
Electrical connection, networking realize that more focus trigger simultaneously.
5. mechanical microquake sources according to claim 1, it is characterised in that: be equipped with 2-5 inlet valve on cylinder.
6. mechanical microquake sources according to claim 1, it is characterised in that: the nominal pressure root of fall lift type spring safety valve
It is determined according to the vibration energy size of micro seismic monitoring experimental design.
7. mechanical microquake sources according to claim 1, it is characterised in that: with the sequentially connected safety in cylinder gas outlet
Valve penetrates energy head by threaded engagement connection, and junction is equipped with gasket, prevents gas leakage, guarantees focus effect；With cylinder air inlet
The inlet valve of connection is connected by threaded engagement, and junction is equipped with gasket.
8. a kind of Microseismic monitoring system comprising the mechanical microquake sources as described in claim 1-7 any one, including microseism
Source, envelope eapsulotomy box, microseismic signals monitoring device, control computer, microseismic sensors, it is characterised in that: the electronic cutting of microquake sources
It closes and is electrically connected with control computer；One end of microseismic signals monitoring device is electrically connected with control computer, and the other end is successively protected with signal
True box, microseismic sensors electrical connection, the microseismic sensors be arranged in microquake sources penetrates can head periphery, can be at a distance from head with penetrating
0.5-500 meters.
9. a kind of user of the Microseismic monitoring system comprising the mechanical microquake sources as described in claim 1-7 any one
Method includes the following steps:
Step 1: connecting Microseismic monitoring system；
Step 2: requiring according to micro seismic monitoring experimental design, the number and microseismic sensors number of mechanical microquake sources are determined, pacify
It sets in place to be measured, and is connect with envelope eapsulotomy box and Microseismic monitoring system, open Microseismic monitoring system and enter data acquisition shape
State；
Step 3: the number of the mechanical microquake sources determined according to second step, drills in place to be measured, drilling hole amount and mechanical
The number of microquake sources is consistent, and after borehole cleaning, the Microseismic monitoring system control computer that the first step obtains is placed in ground, rest part
In load hole；
Step 3: operation control computer, triggers electronic switch, so that motor energization is started running, drive flywheel, crankshaft, connecting rod
Movement drives piston in cylinder motion, increased dramatically the pressure in cylinder, when inner pressure of air cylinder reaches complete opening type spring peace
When the critical pressure of full valve, safety valve is automatically opened, and high pressure draught is sprayed from energy head is penetrated, and is generated impact to measuring point, is formed one
Controllable active focus；
Step 4: microseismic signals monitoring device acquires signal and is stored in control computer.
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| CN201710443814.6A CN107193039B (en) | 2017-06-13 | 2017-06-13 | A kind of mechanical microquake sources and monitoring system and application method |
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| CN201710443814.6A CN107193039B (en) | 2017-06-13 | 2017-06-13 | A kind of mechanical microquake sources and monitoring system and application method |
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| CN107193039A CN107193039A (en) | 2017-09-22 |
| CN107193039B true CN107193039B (en) | 2019-01-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111208211B (en) * | 2020-01-17 | 2021-06-18 | 大连理工大学 | Knocking device for positioning and correcting deep microseism of rock mass |
| CN114994751B (en) * | 2022-07-21 | 2023-01-31 | 中国矿业大学(北京) | Coal mine microseismic signal identification and classification method based on model experiment |
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| CN201730613U (en) * | 2010-05-18 | 2011-02-02 | 西部矿业股份有限公司 | Microearthquake monitoring system of non-coal mine |
| CN103176207A (en) * | 2013-02-26 | 2013-06-26 | 中国矿业大学(北京) | Micro-seismic monitoring system and method for mounting same |
| CN104536037A (en) * | 2015-01-19 | 2015-04-22 | 安徽理工大学 | Automatic mine micro-seismic source |
| CN204375151U (en) * | 2015-01-29 | 2015-06-03 | 中国矿业大学 | A kind of rock burst Real-time Detecting System for Microseism |
| CN106610504A (en) * | 2017-02-22 | 2017-05-03 | 中南大学 | Controllable active vibration source of liquid carbon dioxide phase change type, and application method thereof |
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2017
- 2017-06-13 CN CN201710443814.6A patent/CN107193039B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201730613U (en) * | 2010-05-18 | 2011-02-02 | 西部矿业股份有限公司 | Microearthquake monitoring system of non-coal mine |
| CN103176207A (en) * | 2013-02-26 | 2013-06-26 | 中国矿业大学(北京) | Micro-seismic monitoring system and method for mounting same |
| CN104536037A (en) * | 2015-01-19 | 2015-04-22 | 安徽理工大学 | Automatic mine micro-seismic source |
| CN204375151U (en) * | 2015-01-29 | 2015-06-03 | 中国矿业大学 | A kind of rock burst Real-time Detecting System for Microseism |
| CN106610504A (en) * | 2017-02-22 | 2017-05-03 | 中南大学 | Controllable active vibration source of liquid carbon dioxide phase change type, and application method thereof |
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