CN107589026A - A kind of bump analogue means and wireless data acquisition system - Google Patents
A kind of bump analogue means and wireless data acquisition system Download PDFInfo
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- CN107589026A CN107589026A CN201710790367.1A CN201710790367A CN107589026A CN 107589026 A CN107589026 A CN 107589026A CN 201710790367 A CN201710790367 A CN 201710790367A CN 107589026 A CN107589026 A CN 107589026A
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Abstract
The invention discloses a kind of bump analogue means and wireless data acquisition system, described device includes the design of testing machine cavity and radio data monitor system design；It is characterized in that：The testing machine cavity includes opener, part opening face, is all turned on face, testing machine cavity and the balancing gate pit not transformed；Wireless data acquisition system includes wireless stress harvester, wireless vibration tape deck, wireless high-speed camera, wireless high-speed camera, wireless high-speed camera, main frame, server, radio transmission apparatus.Balancing gate pit's opening face design and opener design with original creation.In opening face vertical direction both sides and 2 high-speed cameras are flatly set, positioned at balancing gate pit both sides 2m distances；Face opening face sets 1 high-speed camera, with the identity distance from 2m, to record bump process.Scene is without personnel in implementation experimentation, and then ensures personal security.
Description
Technical field
The present invention relates to mine safety field of engineering technology.More particularly to bump laboratory simulation.
Background technology
Bump is generally betided in mineral engineering and underground engineering, causes serious financial consequences, casualties and evil
Bad social influence, it is one of industrial hazards that society and government pay close attention to.
Usually, according to coal (rock) body stressing conditions, exploitation, which induces bump, can typically divide three classes, wherein coal (rock) body
Compression type bump is most common generation form in mining process, sum 80% is accounted for, such as Fushun, Fuxin, mountain
Dong Xinwen, the colliery such as Luan, Tangshan, Sichuan Tianchi is opened, be the key issue of bump research.Chinese Academy of Engineering Qian Qihu academician
Point out, serious rock burst as small earthquake, can by the stone ejection of several tons of weights to beyond tens meters, the energy of release equivalent to
More than 200 tons of TNT explosive.Bump is generally accompanied with the deformation of coal (rock) body, break apart, casts and phenomenon of caving in；Cause big
Measure abuse, roadway damage and casualties；Direct economic loss hundreds of thousands at least, it is at most up to ten million.Coal science
Study total institute professor Qi Qingxin and think that compression type bump is mainly relevant with buried depth and rock mass energy storage condition.It is but shallow in recent years
Also there is bump phenomenon in portion's mine, such as：Black Dong Kuang only 150m or so；Coal seam genesis Huating ore deposit occur bump be also
300m or so.Even some do not have the mine of Burst Tendency to have generation yet, as Xuzhou power platform ore deposit, table mountain Shi Kuang and Beijing are big
Pacify mountain ore deposit etc..
According to the on-the-spot investigation to rock blast hazard, pertinent literature statistics and applicant's previous research, show with
Buried depth and energy storage increase, compression type bump occurs the subprocess order that overall process is included and is generally deformation → rupture
Separation → slungshot is cast → is caved in.But due to its generation have the characteristics that it is quick, fierce make disaster field be difficult to catch, testing
In the case of be generally also difficult to simulate, cause correlative study less.
To sum up, the occurrence characteristic of bump makes experiment and scene be difficult to catch generation overall process comprehensively, causes impact ground
It is relatively low that pressing mold fits FORECAST AND PREVENTION technical merit.So it for this area researcher is compeled in eyebrow to develop bump experimental provision
Eyelash and the Task of great challenge.
The content of the invention
It is an object of the invention to provide a kind of bump laboratory simulation device and wireless data acquisition system, transformation pressure
Power machine simultaneously sets data collecting system, and simulation given size rock test piece releases side constraint and broken after by vertical positive power
Bad process, that is, simulate bump process.The purpose of the present invention is realized using following technical proposals：
A kind of bump analogue means and wireless data acquisition system, described device include the design of testing machine cavity and nothing
Line number is according to Monitoring System；It is characterized in that：The testing machine cavity includes opener, part opening face, is all turned on
Face, testing machine cavity and the balancing gate pit not transformed；Wireless data acquisition system includes wireless stress harvester, vibration record fills
Put, wireless high-speed camera, wireless high-speed camera, wireless high-speed camera, main frame, server, radio transmission apparatus.
A kind of bump analogue means and wireless data acquisition system, it is characterised in that testing machine cavity designs, and utilizes
Reequip 500T testing machine triaxial tests balancing gate pit, it is possible to provide the vertical principal stress of maximum 20MPa, simulate 4 respectively to test specimen~
20MPa, the vertical principal stress for being spaced 2MPa carry out the experiment of compression type bump；Balancing gate pit is using 20mm steel plates as horizontal
Four sides material provides confined pressure constraint, and cavity size is 500mm × 500mm × 500mm；Three faces are designed as solid during horizontal four sides constrains
Fixed, another side is to open；It is two kinds that side, which can be opened, and release confined pressure form, is all turned on, that is, releases side whole confined pressure
500mm×500mm；Part is opened, that is, it is face center 200mm × 200mm to release side confined pressure region；Opener is designed as
The face rectangular steel plates are divided into four parts by diagonal, outer four side is hinged with balancing gate pit, and center is connected with mechanism；Pressurization
When mechanism lock, four in face of test specimen constrain；Elastic device makes the part of opening face four rapidly while opened during excavation simulation；Unlatching machine
Structure is controlled by main frame according to vertical principal stress；Balancing gate pit is fixed bottom, and top applies vertical principal stress.
A kind of bump analogue means and wireless data acquisition system, it is characterised in that wireless data acquisition system is set
Meter, wireless stress harvester are arranged at inner side at balancing gate pit's top center；Wireless vibration tape deck is arranged at fixed constraint
On the outside of the center of face, wireless vibration tape deck sets one；In opening face vertical direction both sides and flatly 2 high speeds are set to shine
Camera, positioned at balancing gate pit both sides 2m distances, feelings are destroyed to coal petrography to shoot releasing side confined pressure rear side during bump
Condition；Face opening face sets 1 high-speed camera, with the identity distance from 2m, to shoot positive destruction feelings after releasing side confined pressure
Condition.
A kind of bump analogue means and wireless data acquisition system, it is characterised in that bump simulated experiment side
Case, 1. balancing gate pit side release confined pressure completely：4~20MPa is applied to test specimen using testing machine, the vertical master for being spaced 2MPa should
Power；Side confined pressure is released completely, the side test specimen is completely exposed, and the test specimen observed and recorded when applying different vertical direct stress is broken
Bad process；2. balancing gate pit side not exclusively releases confined pressure：Test specimen under above-mentioned identical operating mode, in the side center 200mm ×
200mm scopes release side part confined pressure, observe and record test specimen destructive process when applying different vertical direct stress.
A kind of bump analogue means and wireless data acquisition system of the present invention, have advantages below：
Bump analogue means provided by the invention is simple in construction, is easy to implement.
Bump wireless data acquisition system provided by the invention, arrangement is convenient, and observational record data efficiency is high, expense
It is low；And it is wireless data transmission mode.
In bump analogue means provided by the invention, balancing gate pit's opening face design and opener with original creation are set
Meter.It ensure that the simulation effect of bump.
A kind of bump analogue means and wireless data acquisition system provided by the invention, supervised in experimentation and data
Without human users during survey.May be to the injury of operating personnel in view of bump process, device is designed as testing
Without execute-in-place in journey.
Brief description of the drawings
Below with reference to accompanying drawing, the invention will be further described：
Fig. 1 bumps analogue means and data acquisition device front view
Fig. 2 bumps analogue means and data acquisition device top view
Wherein：Hydraulic dynamometer 1, wireless stress harvester 2, wireless vibration tape deck 3, wireless high-speed camera 4,
Wireless high-speed camera 5, wireless high-speed camera 6, opener 7, part opening face 8 (200mm × 200mm), it is all turned on
Face 9 (500mm × 500mm), the side containment surfaces 10 (500mm × 500mm) of level three of testing machine cavity, main frame 11, server 12,
Radio transmission apparatus 13.
Embodiment
Balancing gate pit's cavity transformation embodiment：The side fixed constraint face 10 of balancing gate pit's level three is 20mm steel plates, size 500mm
×500mm；Part opening face 8 is 20mm steel plates, size 200mm × 200mm；It is 20mm steel plates to be all turned on face 9, size
500mm×500mm.Opener 7 is designed as the face rectangular steel plates being divided into four parts, outer four sides and balancing gate pit by diagonal
Be hinged, center is connected with mechanism.Pressure applying moment structure is locked, and four constrain in face of test specimen；Elastic device makes out during excavation simulation
It is rapidly while open to open the part of face four.
Wireless data acquisition system arranges embodiment：Wireless stress harvester 2 is arranged at balancing gate pit's top center
Inner side；Wireless vibration tape deck 3 is arranged on the outside of the center of fixed constraint face, and wireless vibration tape deck sets one；Opening
Open face vertical direction both sides and 2 high-speed cameras 4 and 5 are flatly set, positioned at balancing gate pit both sides 2m distances, to shoot punching
Released during pressing with hitting on rear side of the confined pressure of side and destroy situation to coal petrography；Face opening face sets 1 high-speed camera 6, with this
Identity distance is from 2m, to shoot positive destruction situation after releasing side confined pressure.
Bump simulated experiment scheme embodiment, 1. balancing gate pit side release confined pressure completely：Using testing machine to examination
Part applies 4~20MPa, is spaced 2MPa vertical principal stress；Side confined pressure is released completely, the side test specimen is completely exposed, and is observed
And record test specimen destructive process when applying different vertical direct stress；2. balancing gate pit side not exclusively releases confined pressure：Test specimen is upper
State under identical operating mode, release side part confined pressure in side center 200mm × 200mm scopes, observe and record application not
With test specimen destructive process during vertical direct stress.
Device operates embodiment：Coal (rock) is obtained with Fuxin coal field mine scene and prepares test specimen, size be 500mm ×
500mm×500mm.Using 500T testing machines, (500mm × 500mm × 500mm) triaxial tests balancing gate pit is reequiped, it is possible to provide most
The big vertical principal stresses of 20MPa (about buried depth 800m).4~20MPa is simulated respectively to test specimen, the vertical principal stress for being spaced 2MPa is carried out
Compression type bump is tested.
Concrete operations mode is as follows：
1) test specimen prepared is put into balancing gate pit's cavity.
2) can opening section 9 and 8 it is locked with opener, form the horizontal four sides in balancing gate pit and constrain.
3) wireless stress harvester 2, wireless vibration tape deck 3, wireless high-speed camera 4, wireless high-speed is set to shine
Camera 5, wireless high-speed camera 6, and make these devices in running order.
4) main frame 11, server 12, radio transmission apparatus 13 are started, staff withdraws from experimental field.
5) by host-initiated hydraulic dynamometer 1, and set opener 7 and open scheduled pressure value.
6) bump experiment is implemented, when wireless stress harvester 2 monitors scheduled pressure value, opener 7 passes through
Spring assembly make can opening section 9 or 8 open, simulate bump.
7) from starting to apply vertical direct stress, wireless stress harvester 2, wireless vibration tape deck 3 start working into
Row record.
8) after opener 7 is opened, wireless high-speed camera 4, wireless high-speed camera 5, wireless high-speed camera 6 start
Record bump process.
9) bump process analysis procedure analysis is carried out according to the secondary calculating of above-mentioned record data or these data.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that；Still
The embodiment of the present invention can be modified or equivalent substitution, and without departing from any of spirit and scope of the invention
Modification or equivalent substitution, it all should cover among scope of the presently claimed invention.
Claims (4)
1. a kind of bump analogue means and wireless data acquisition system, described device is comprising the design of testing machine cavity and wirelessly
Data monitoring system designs；It is characterized in that：The testing machine cavity include opener, part opening face, be all turned on face,
Testing machine cavity and the balancing gate pit not transformed；Wireless data acquisition system includes wireless stress harvester, wireless vibration records
Device, wireless high-speed camera, wireless high-speed camera, wireless high-speed camera, main frame, server, radio transmission apparatus.
2. a kind of bump analogue means and wireless data acquisition system, it is characterised in that testing machine cavity designs, and utilizes
Reequip 500T testing machine triaxial tests balancing gate pit, it is possible to provide the vertical principal stress of maximum 20MPa, simulate 4 respectively to test specimen~
20MPa, the vertical principal stress for being spaced 2MPa carry out the experiment of compression type bump；Balancing gate pit is using 20mm steel plates as horizontal
Four sides material provides confined pressure constraint, and cavity size is 500mm × 500mm × 500mm；Three faces are designed as solid during horizontal four sides constrains
Fixed, another side is to open；It is two kinds that side, which can be opened, and release confined pressure form, is all turned on, that is, releases side whole confined pressure
500mm×500mm；Part is opened, that is, it is face center 200mm × 200mm to release side confined pressure region；Opener is designed as
The face rectangular steel plates are divided into four parts by diagonal, outer four side is hinged with balancing gate pit, and center is connected with mechanism；Pressurization
When mechanism lock, four in face of test specimen constrain；Elastic device makes the part of opening face four rapidly while opened during excavation simulation；Unlatching machine
Structure is controlled by main frame according to vertical principal stress；Balancing gate pit is fixed bottom, and top applies vertical principal stress.
3. a kind of bump analogue means and wireless data acquisition system, it is characterised in that Wireless Data Acquisition System Design,
Wireless stress harvester is arranged at inner side at balancing gate pit's top center；Wireless vibration tape deck is arranged in fixed constraint face
On the outside of the heart, wireless vibration tape deck sets one；2 high-speed photographies are set in opening face vertical direction both sides and flatly
Machine, positioned at balancing gate pit both sides 2m distances, situation is destroyed to coal petrography to shoot releasing side confined pressure rear side during bump；
Face opening face sets 1 high-speed camera, with the identity distance from 2m, to shoot positive destruction situation after releasing side confined pressure.
4. a kind of bump analogue means and wireless data acquisition system, it is characterised in that bump simulated experiment scheme,
1. balancing gate pit side releases confined pressure completely：4~20MPa is applied to test specimen using testing machine, is spaced 2MPa vertical principal stress；It is complete
Complete solution removes side confined pressure, and the side test specimen is completely exposed, and the test specimen observed and recorded when applying different vertical direct stress destroyed
Journey；2. balancing gate pit side not exclusively releases confined pressure：Test specimen is under above-mentioned identical operating mode, in side center 200mm × 200mm
Scope releases side part confined pressure, observes and records test specimen destructive process when applying different vertical direct stress.
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| CN201710790367.1A CN107589026B (en) | 2017-09-05 | 2017-09-05 | Rock burst simulator |
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| CN201710790367.1A CN107589026B (en) | 2017-09-05 | 2017-09-05 | Rock burst simulator |
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| CN107589026B CN107589026B (en) | 2020-09-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238757A (en) * | 2020-02-05 | 2020-06-05 | 山东科技大学 | Comprehensive test system for performance of hydraulic support under rock burst working condition and application |
| CN111638134A (en) * | 2020-08-03 | 2020-09-08 | 中南大学 | Rock true triaxial test system and full-field strain monitoring device and monitoring method thereof |
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| CN103104294A (en) * | 2013-02-01 | 2013-05-15 | 湖南科技大学 | Rock burst prediction method |
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| DD209529A1 (en) * | 1982-08-12 | 1984-05-09 | Klaus Thoma | METHOD FOR DETERMINING THE MOUNTAIN BENDING OF HOMOGENEOUS GESTURES |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238757A (en) * | 2020-02-05 | 2020-06-05 | 山东科技大学 | Comprehensive test system for performance of hydraulic support under rock burst working condition and application |
| CN111638134A (en) * | 2020-08-03 | 2020-09-08 | 中南大学 | Rock true triaxial test system and full-field strain monitoring device and monitoring method thereof |
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| CN107589026B (en) | 2020-09-11 |
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