CN206270323U - A kind of coal and gas prominent analogue experiment installation - Google Patents
A kind of coal and gas prominent analogue experiment installation Download PDFInfo
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- CN206270323U CN206270323U CN201621445635.3U CN201621445635U CN206270323U CN 206270323 U CN206270323 U CN 206270323U CN 201621445635 U CN201621445635 U CN 201621445635U CN 206270323 U CN206270323 U CN 206270323U
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Abstract
The utility model discloses a kind of coal and gas prominent analogue experiment installation, including crustal stress simulated loading system, gas pressure simulated loading system, acoustic emission system, prominent casing and computer；The crustal stress simulated loading system includes electronic universal tester, the first hydraulic jack and the second hydraulic jack, the prominent casing centering is placed on the base of electronic universal tester, and the electronic universal tester, the first hydraulic jack and the second hydraulic jack are connected with computer.In addition, the method the invention also discloses coal and gas prominent simulated experiment is carried out using the device.Device of the present utility model can provide the pressure of stabilization, realize three-dimensional on-load pressure, and critical pressure value when accurately can record prominent when coal sample occurs prominent, it is capable of the data transfer that will gather on computer, in real time the Changing Pattern of the energy before and after reflection coal and gas prominent and pressure.
Description
Technical field
The utility model belongs to coal and gas prominent simulating experiment technique field, and in particular to a kind of coal and gas prominent mould
Draft experiment device.
Background technology
With being continuously increased for coal mining depth, under high-ground stress and gas pressure effect, increasing mine
The coal and gas prominent problem of sternness will be faced, the safety in production to mine causes greatly harm.Coal and gas prominent is one
Kind extremely complex mining dynamic phenomena, its occur to be influenceed by the physico-mechanical properties of crustal stress, gas pressure and coal petrography and
Restriction, and the research on coal and gas prominent mechanism at present is not yet clear.Therefore, lot of domestic and foreign scholar uses coal and gas
Prominent analogue means has carried out substantial amounts of simulated experiment, and understanding of the people to coal and gas prominent has been deepened to a certain extent,
But with the proposition of coal and gas prominent mechanical function mechanism, existing analogue means exist size it is small, loading dimension it is few, inflation
Pressure bottom and it is unable to the shortcomings of energy is with prominent whole process before and after accurate recording is protruded, it is impossible to fully disclose coal and dashed forward with gas
Changing Pattern during going out；Particularly existing analogue means aspis needs manual unlocking, manual unlocking aspis speed
Cross slow-motion and influence the time of coal and gas prominent and the Changing Pattern of energy；Additionally, the loading system of existing apparatus is most not
The on-load pressure of stabilization can be provided, so there is certain difficulty to finding coal and gas prominent critical pressure value.Accordingly, it would be desirable to
A kind of experimental provision, can simulate that coal sample size is big, loading dimension is more, the big requirement of the blowing pressure, while can clearly see
Examine and record the destruction situation and energy variation rule of coal sample during coal and gas prominent.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, there is provided a kind of coal with watt
This protrudes analogue experiment installation.The apparatus structure is simple, reasonable in design, and assembling is easy.System is loaded by being configured to stress simulation
System and gas pressure simulated loading system, using the teaching of the invention it is possible to provide the pressure of stabilization, realize three-dimensional on-load pressure, and protrude in coal sample
When critical pressure value when accurately can record prominent, by setting acoustic emission probe and pressure sensor, will can gather
Data transfer on computer, the Changing Pattern of the energy before and after reflection coal and gas prominent and pressure in real time.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of coal and gas prominent simulation is real
Experiment device, it is characterised in that：Including crustal stress simulated loading system, gas pressure simulated loading system, acoustic emission system, protrusion
Casing and computer；The crustal stress simulated loading system includes electronic universal tester, the first hydraulic jack and the second hydraulic pressure
Oil cylinder, the prominent casing centering is placed on the base of electronic universal tester, the electronic universal tester, the first hydraulic pressure
Oil cylinder and the second hydraulic jack are connected with computer；First hydraulic jack and the second hydraulic jack are respectively arranged in prominent
Go out on the two neighboring side wall of casing；
The prominent casing includes the box-like body and the cabinet base below box-like body of upper end open, the case
The upper end of body body is provided with case lid, is provided with the middle part of the case lid and is compressed axially piston, and described being compressed axially on piston sets
There is the axial air-filled pore being connected with box-like body internal cavity, be provided with what is be connected with the cavity on the cabinet base
Base air-filled pore, is connected with gas pipeline on the axial air-filled pore, gas service pipe, the gas are connected with the gas pipeline
Body branch pipe is connected with base air-filled pore, and protrusion is offered on the box-like body and on the side wall relative with the second hydraulic jack
Mouthful, dismountable prominent plug is provided with the aspis, it is provided with the box-like body and on the outside of aspis
Simulation tunnel device；The cabinet base inner side and simulation tunnel bottom of device are provided with acoustic emission probe and pressure sensing
Device；
The gas pressure simulated loading system includes methane gas tank and air compressor；The methane gas tank passes through
First pipeline is connected with gas pipeline, and air compressor is connected by the second pipeline with gas pipeline；
The acoustic emission system includes Acoustic radiating instrument, and the input of the Acoustic radiating instrument is connected with acoustic emission probe.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：Also include data collecting instrument, the number
Input according to Acquisition Instrument is connected with pressure sensor, the output end of the Acoustic radiating instrument and the output end of data collecting instrument with
Computer is connected.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：The case lid inner side is provided with pressure
Plate, is provided with the middle part of the case lid and is compressed axially piston hole, be compressed axially piston through it is described be compressed axially piston hole with it is upper
Pressing plate is flexibly connected, and the central gas hole being connected with the cavity, the central gas hole position are provided with the top board
It is connected in the underface of axial air-filled pore and with axial air-filled pore, the side of the first hydraulic jack is installed on the box-like body
The first side guide is provided with wall, the compression piston of the first hydraulic jack is flexibly connected through box-like body with the first side guide,
It is provided with box-like body and the second side guide is provided with the side wall of the second hydraulic jack, the compression piston of the second hydraulic jack is worn
Box-like body is crossed to be flexibly connected with the second side guide.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：The lower surface and case of the top board
The lower surface of lid is concordant, be provided with the inner surface of first side guide and box-like body the first hydraulic jack side wall it is interior
Flush, the inner surface that the side wall of the second hydraulic jack is provided with the inner surface and box-like body of second side guide is put down
Together.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：Multiple is provided with the top board
Top board air-filled pore, the top board air-filled pore is connected with axial air-filled pore and the cavity.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：The case lid is spiral shell with box-like body
Tether and connect；Between the box-like body and case lid, be compressed axially between piston and case lid, the compression piston of the first hydraulic jack with
Between box-like body, between the compression piston of the second hydraulic jack and box-like body and aspis and simulation tunnel device between
It is provided with sealing ring.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：Simulation tunnel device includes saturating
Bright tunnel, the transparent tunnel is installed on box-like body by bolt, and transparent tunnel sets away from one end middle part of box-like body
The transparent Photo Studio of closing is equipped with, high-speed camera, end of the transparent tunnel away from box-like body are installed in the Photo Studio
It is provided with pressure relief opening, the bottom in the cabinet base and transparent tunnel is provided with routing hole, and the wire of acoustic emission probe is passed through
Routing hole is connected with Acoustic radiating instrument.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：The bottom in the transparent tunnel is set
There is the base for supporting transparent tunnel.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：It is provided with first pipeline watt
This pressure gauge and pressure-reducing valve, the pressure-reducing valve are located between gas pressure table and methane gas tank, are set on second pipeline
There are vacuum table and intake valve, the intake valve is located between vacuum table and air compressor.
A kind of above-mentioned coal and gas prominent analogue experiment installation, it is characterised in that：First hydraulic jack is by the
One hydraulic system fuel feeding, first hydraulic system includes the first hydraulic oil container and the first hydraulic pump, first hydraulic pump
Oil inlet is connected by the first hydraulic tube with the first hydraulic oil container, and the oil inlet of first hydraulic jack passes through the second hydraulic tube
Oil-out with the first hydraulic pump is connected, and first pressure table and the first overflow valve are connected with second hydraulic tube；Described
Two hydraulic jacks include the second hydraulic oil container and the second hydraulic pump by the second hydraulic system fuel feeding, second hydraulic system,
The oil inlet of second hydraulic pump is connected by the 3rd hydraulic tube with the second hydraulic oil container, the oil-feed of second hydraulic jack
Mouthful it is connected with the oil-out of the second hydraulic pump by the 4th hydraulic tube, second pressure table and the is connected with the 4th hydraulic tube
Two overflow valves.
The utility model has advantages below compared with prior art：
1st, the utility model coal and gas prominent analogue experiment installation simple structure, reasonable in design, and assembling is easy.
2nd, the utility model is by setting axial air-filled pore and base air-filled pore, and is preferably provided with being provided with the upper pressure of air-filled pore
Plate so that protrude the inflation of coal sample in casing evenly.
3rd, the utility model is by setting dismountable prominent plug, taken down during coal and gas prominent simulated experiment prominent
Go out plug, to being sealed between aspis and coal sample, then block aspis with prominent plug, it is ensured that the gas of prominent casing
Close property, while avoiding aspis manual unlocking and influenceing to protrude the defect of energy.
4th, the cabinet base of the prominent casing of the utility model coal and gas prominent analogue experiment installation and simulation tunnel dress
Bottom set portion is equipped with acoustic emission probe and pressure sensor, in the data transfer that will can be gathered to computer, reflection in real time
The Changing Pattern of energy and pressure before and after coal and gas prominent.
5th, the crustal stress loading system of the utility model coal and gas prominent analogue experiment installation and gas pressure loading system
System can provide the pressure of stabilization, and critical pressure value when accurately can record prominent when coal sample occurs prominent.
6th, the utility model preferably sets Photo Studio and high-speed camera in simulation tunnel device one end, can record in detail
And the whole dynamic process of coal and gas prominent is kept, so as to provide certain foundation to disclose coal and gas prominent mechanism.
7th, the whole process of coal and gas prominent more can really be reflected using device of the present utility model, while energy
Enough to realize three-dimensional on-load pressure, the blowing pressure is big, and good seal performance is practical, is easy to promote the use of.
In sum, the utility model is reasonable in design, can really reflect the whole process of mine coal and gas prominent,
Aspis manual unlocking can be avoided and influence to protrude the problem of energy, can before and after real time record coal and gas prominent energy with
The Changing Pattern of pressure, the whole dynamic process of observation coal and gas prominent that can be detailed is practical, is easy to popularization to make
With.
With reference to the accompanying drawings and examples, the technical solution of the utility model is described in further detail.
Figure of description
Fig. 1 is the structural representation of the utility model coal and gas prominent analogue experiment installation removal simulation tunnel device.
Fig. 2 is the position relationship schematic diagram of prominent casing of the present utility model and simulation tunnel device.
Fig. 3 is the installation position schematic diagram of the utility model central gas hole and top board air-filled pore in top board.
Fig. 4 is the structural representation of the utility model cabinet base.
Fig. 5 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-electronic universal tester；2-1-be compressed axially piston；2-2-axial direction air-filled pore；
2-3-case lid；2-4-central gas hole；2-5-top board；
2-6-box-like body；2-7-the first side guide；2-8-cabinet base；
2-9-gas service pipe；2-10-routing hole；2-11-the second side guide；
2-12-protrusion plug；2-13-aspis；2-14-base air-filled pore；
2-15-top board air-filled pore；2-16-gas pipeline；3-first pressure table；
4-the first overflow valve；5-the first hydraulic pump；6-the first hydraulic oil container；
7-gas pressure table；8-pressure-reducing valve；9-intake valve；
10-vacuum table；11-air compressor；12-methane gas tank；
13-computer；14-data collecting instrument；15-Acoustic radiating instrument；
16-the first hydraulic jack；17-coal sample；18-the second hydraulic jack；
19-acoustic emission probe；20-transparent tunnel；21-high-speed camera；
22-pressure sensor；23-pressure relief opening；24-base；
25-second pressure table；26-the second overflow valve；27-the second hydraulic pump；
28-the second hydraulic oil container；29-Photo Studio；30-the first pipeline；
31-the second pipeline.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, coal and gas prominent analogue experiment installation of the present utility model, its feature exists
In：Including crustal stress simulated loading system, gas pressure simulated loading system, acoustic emission system, prominent casing and computer 13；
The crustal stress simulated loading system includes electronic universal tester 1, the first hydraulic jack 16 and the second hydraulic jack 18, described
Prominent casing centering is placed on the base of electronic universal tester 1, the electronic universal tester 1, the first hydraulic jack 16
It is connected with computer 13 with the second hydraulic jack 18；The hydraulic jack 18 of first hydraulic jack 16 and second is respectively mounted
In on the two neighboring side wall of prominent casing；
The prominent casing includes the box-like body 2-6 and the cabinet base below box-like body 2-6 of upper end open
The upper end of 2-8, the box-like body 2-6 is provided with case lid 2-3, is provided with the middle part of the case lid 2-3 and is compressed axially piston 2-
1, the piston 2-1 that is compressed axially is provided with the axial air-filled pore 2-2 being connected with box-like body 2-6 internal cavities, the case
The base air-filled pore 2-14 being connected with the cavity is provided with body base 2-8, gas is connected with the axial air-filled pore 2-2
Body pipeline 2-16, is connected with gas service pipe 2-9, the gas service pipe 2-9 and base air-filled pore 2- on the gas pipeline 2-16
14 are connected, and aspis 2-13 is offered on the box-like body 2-6 and on the side wall relative with the second hydraulic jack 18, described
Dismountable prominent plug 2-12 is provided with aspis 2-13, on the box-like body 2-6 and positioned at the outer of aspis 2-13
Side is provided with simulation tunnel device；The cabinet base 2-8 inner sides and simulation tunnel bottom of device are provided with acoustic emission probe
19 and pressure sensor 22；
The gas pressure simulated loading system includes methane gas tank 12 and air compressor 11；The methane gas tank
12 are connected by the first pipeline 30 with gas pipeline 2-16, and air compressor 11 is connected by the second pipeline 31 with gas pipeline 2-16
Connect；
The acoustic emission system includes Acoustic radiating instrument 15, input and the phase of acoustic emission probe 19 of the Acoustic radiating instrument 15
Even.
In the present embodiment, also including data collecting instrument 14, input and the pressure sensor 22 of the data collecting instrument 14
It is connected, the output end of the Acoustic radiating instrument 15 and the output end of data collecting instrument 14 are connected with computer 13.
In the present embodiment, the case lid 2-3 inner sides are provided with top board 2-5, and axial direction is provided with the middle part of the case lid 2-3
Compression piston hole, is compressed axially piston 2-1 and is compressed axially piston hole and is flexibly connected with top board 2-5 through described, the upper pressure
The central gas hole 2-4 being connected with the cavity is provided with plate 2-5, the central gas hole 2-4 is located at axial air-filled pore
The underface of 2-2 and it is connected with axial air-filled pore 2-2, the side of the first hydraulic jack 16 is installed on the box-like body 2-6
The first side guide 2-7 is provided with wall, the compression piston of the first hydraulic jack 16 passes through box-like body 2-6 and the first side guide 2-
7 are flexibly connected, and are provided with box-like body 2-6 in the side wall of the second hydraulic jack 18 and are provided with the second side guide 2-11, second
The compression piston of hydraulic jack 18 is flexibly connected through box-like body 2-6 with the second side guide 2-11.
In the present embodiment, the lower surface of the top board 2-5 is concordant with the lower surface of case lid 2-3, first side guide
The inner surface of 2-7 is concordant with the inner surface of the side wall that the first hydraulic jack 16 is provided with box-like body 2-6, second side pressure
The inner surface of plate 2-11 is concordant with the inner surface of the side wall that the second hydraulic jack 18 is provided with box-like body 2-6.
In the present embodiment, multiple top board air-filled pore 2-15, the top board air-filled pore are provided with the top board 2-5
2-15 is connected with axial direction air-filled pore 2-2 with the cavity.
In the present embodiment, the case lid 2-3 and box-like body 2-6 is bolt connection；The box-like body 2-6 and case lid 2-
Between 3, be compressed axially between piston 2-1 and case lid 2-3, between the compression piston of the first hydraulic jack 16 and box-like body 2-6,
It is respectively provided with and aspis 2-13 and simulation tunnel device between the compression piston and box-like body 2-6 of the second hydraulic jack 18
There is sealing ring.
In the present embodiment, simulation tunnel device includes transparent tunnel 20, and the transparent tunnel 20 is installed by bolt
In on box-like body 2-6, transparent tunnel 20 is provided with the transparent Photo Studio 29 of closing away from one end middle part of box-like body 2-6,
High-speed camera 21 is installed in the Photo Studio 29, transparent tunnel 20 is provided with pressure relief opening away from the end of box-like body 2-6
The bottom in 23, the cabinet base 2-8 and transparent tunnel 20 is provided with routing hole 2-10, and the wire of acoustic emission probe 19 is passed through
Routing hole 2-10 is connected with Acoustic radiating instrument 15.
In the present embodiment, the bottom in the transparent tunnel 20 is provided with the base 24 for supporting transparent tunnel 20.
In the present embodiment, gas pressure table 7 and pressure-reducing valve 8 are provided with first pipeline 30, the pressure-reducing valve 8 is located at
Between gas pressure table 7 and methane gas tank 12, be provided with vacuum table 10 and intake valve 9 on second pipeline 31, it is described enter
Air valve 9 is located between vacuum table 10 and air compressor 11.
In the present embodiment, first hydraulic jack 16 is by the first hydraulic system fuel feeding, the first hydraulic system bag
The first hydraulic oil container 6 and the first hydraulic pump 5 are included, the oil inlet of first hydraulic pump 5 passes through the first hydraulic tube and the first hydraulic pressure
Fuel tank 6 is connected, and the oil inlet of first hydraulic jack 16 is connected by the second hydraulic tube with the oil-out of the first hydraulic pump 5,
The overflow valve 4 of first pressure table 3 and first is connected with second hydraulic tube；Second hydraulic jack 18 passes through the second hydraulic pressure
System fuel feeding, second hydraulic system includes the second hydraulic oil container 28 and the second hydraulic pump 27, second hydraulic pump 27
Oil inlet is connected by the 3rd hydraulic tube with the second hydraulic oil container 28, and the oil inlet of second hydraulic jack 18 passes through the 4th liquid
Pressure pipe is connected with the oil-out of the second hydraulic pump 27, and the overflow valve of second pressure table 25 and second is connected with the 4th hydraulic tube
26。
The method for carrying out coal and gas prominent simulated experiment using device of the present utility model specifically includes following steps：
Step one, opening case lid 2-3, coal dust to be tested are fitted into prominent casing in five times, after loading coal dust every time
Electronic universal tester 1 is opened, the coal dust in prominent casing is further applied load by being compressed axially piston 2-1, after coal dust is installed
Pulverized coal forming is set to be coal sample 17 according to pre-set briquetting pressure；
Step 2, case lid 2-3 and box-like body 2-6 are tightly connected, take down prominent plug 2-12, to aspis 2-13 with
Sealed between coal sample 17 (preferably use and sealed with the basic identical encapsulant of the intensity of coal sample 17), then with protrusion
Plug 2-12 blocks aspis 2-13；
Step 3, unlatching the first hydraulic jack 16 and the second hydraulic jack 18, the initial value of stabilization are applied to coal sample 17, together
Shi Kaiqi methane gas tank 12, the air-tightness of the prominent casing of detection；
After step 4, air-leakage test terminate, the first hydraulic jack 16, the second hydraulic jack 18 and methane gas tank are closed
12, open air compressor 11 and coal sample 17 is de-gassed, air compressor 11 is closed after the completion of degassing；
After step 5, coal sample 17 deaerate, electronic universal tester 1, the first hydraulic jack 16 and the second hydraulic jack are opened
18, initial pressure is applied to coal sample 17, methane gas tank 12 is tightly connected with axial air-filled pore 2-2, base air-filled pore 2-14,
The flow of regulation methane gas tank 12 causes that gas pressure reaches preset value and keeps stabilization, by axial air-filled pore 2-2 and bottom
Seat air-filled pore 2-14 is inflated to the coal sample 17 in prominent casing, inflationtime at least 32h, makes the fully absorption watt of coal sample 17
This；
Step 6, treat to carry out coal and gas prominent simulated experiment after the completion of the adsorption gas of coal sample 17, tried by electronic universal
Test machine 1 and axle pressure is applied to coal sample 17, open the first hydraulic jack 16 and the second hydraulic jack 18 and confined pressure is applied to coal sample 17, pass through
Methane gas tank 12 to coal sample 17 apply gas pressure, stabilization to occur coal and gas prominent after stop immediately axle pressure, confined pressure and
The loading of gas pressure, records and preserves experimental data, closes all loading equipemtns.
The above, is only preferred embodiment of the present utility model, and any limitation, every are not done to the utility model
Any simple modification, change and the equivalent structure factually substantially made to above example with new technique change, and still belong to
In in the protection domain of technical solutions of the utility model.
Claims (10)
1. a kind of coal and gas prominent analogue experiment installation, it is characterised in that：Including crustal stress simulated loading system, gas pressure
Simulated loading system, acoustic emission system, prominent casing and computer (13)；The crustal stress simulated loading system includes electronics ten thousand
Energy testing machine (1), the first hydraulic jack (16) and the second hydraulic jack (18), the prominent casing centering are placed on electronic universal
On the base of testing machine (1), the electronic universal tester (1), the first hydraulic jack (16) and the second hydraulic jack (18) are
It is connected with computer (13)；First hydraulic jack (16) and the second hydraulic jack (18) are respectively arranged in prominent casing
On two neighboring side wall；
The prominent casing includes the box-like body (2-6) and the cabinet base below box-like body (2-6) of upper end open
(2-8), the upper end of the box-like body (2-6) is provided with case lid (2-3), and axial pressure is provided with the middle part of the case lid (2-3)
Contracting piston (2-1), it is described be compressed axially piston (2-1) and be provided with the axial direction being connected with box-like body (2-6) internal cavity fill
Stomata (2-2), is provided with the base air-filled pore (2-14) being connected with the cavity, the axle on the cabinet base (2-8)
To gas pipeline (2-16) is connected with air-filled pore (2-2), gas service pipe (2-9) is connected with the gas pipeline (2-16),
The gas service pipe (2-9) is connected with base air-filled pore (2-14), on the box-like body (2-6) and with the second hydraulic jack
(18) aspis (2-13) is offered on relative side wall, dismountable prominent plug is provided with the aspis (2-13)
(2-12), is provided with simulation tunnel device on the box-like body (2-6) and on the outside of aspis (2-13)；The casing
Base (2-8) inner side and simulation tunnel bottom of device are provided with acoustic emission probe (19) and pressure sensor (22)；
The gas pressure simulated loading system includes methane gas tank (12) and air compressor (11)；The methane gas tank
(12) it is connected with gas pipeline (2-16) by the first pipeline (30), air compressor (11) is by the second pipeline (31) and gas
Pipeline (2-16) is connected；
The acoustic emission system includes Acoustic radiating instrument (15), input and acoustic emission probe (19) phase of the Acoustic radiating instrument (15)
Even.
2. according to a kind of coal and gas prominent analogue experiment installation described in claim 1, it is characterised in that：Also adopted including data
Collection instrument (14), the input of the data collecting instrument (14) is connected with pressure sensor (22), the Acoustic radiating instrument (15) it is defeated
The output end for going out end and data collecting instrument (14) is connected with computer (13).
3. according to a kind of coal and gas prominent analogue experiment installation described in claim 1, it is characterised in that：Case lid (the 2-
3) inner side is provided with top board (2-5), is provided with the middle part of the case lid (2-3) and is compressed axially piston hole, is compressed axially piston
(2-1) is compressed axially piston hole and is flexibly connected with top board (2-5) described in, is provided with and institute on the top board (2-5)
The central gas hole (2-4) that cavity is connected is stated, the central gas hole (2-4) is located at the underface of axial air-filled pore (2-2)
And be connected with axial air-filled pore (2-2), it is provided with the side wall of the first hydraulic jack (16) on the box-like body (2-6) and is set
The first side guide (2-7) is equipped with, the compression piston of the first hydraulic jack (16) passes through box-like body (2-6) and the first side guide
(2-7) is flexibly connected, and is provided with box-like body (2-6) in the side wall of the second hydraulic jack (18) and is provided with the second side guide
(2-11), the compression piston of the second hydraulic jack (18) is flexibly connected through box-like body (2-6) with the second side guide (2-11).
4. according to a kind of coal and gas prominent analogue experiment installation described in claim 3, it is characterised in that：The top board
The lower surface of (2-5) is concordant with the lower surface of case lid (2-3), inner surface and the box-like body (2- of first side guide (2-7)
6) inner surface that the side wall of the first hydraulic jack (16) is provided with is concordant, the inner surface and case of second side guide (2-11)
The inner surface that the side wall of the second hydraulic jack (18) is provided with body body (2-6) is concordant.
5. according to a kind of coal and gas prominent analogue experiment installation described in claim 3, it is characterised in that：The top board
Be provided with multiple top board air-filled pores (2-15) on (2-5), the top board air-filled pore (2-15) and axial air-filled pore (2-2) and
The cavity is connected.
6. according to a kind of coal and gas prominent analogue experiment installation described in any claim in claim 1 to 5, its feature
It is：The case lid (2-3) is bolt connection with box-like body (2-6)；Between the box-like body (2-6) and case lid (2-3),
Be compressed axially between piston (2-1) and case lid (2-3), the compression piston of the first hydraulic jack (16) and box-like body (2-6) it
Between, between the compression piston of the second hydraulic jack (18) and box-like body (2-6) and aspis (2-13) with simulation tunnel device
Between be provided with sealing ring.
7. according to a kind of coal and gas prominent analogue experiment installation described in any claim in claim 1 to 5, its feature
It is：Simulation tunnel device includes transparent tunnel (20), and the transparent tunnel (20) is installed on box-like body by bolt
On (2-6), transparent tunnel (20) is provided with the transparent Photo Studio (29) of closing, institute away from one end middle part of box-like body (2-6)
State in Photo Studio (29) and high-speed camera (21) is installed, transparent tunnel (20) is provided with away from the end of box-like body (2-6)
Pressure relief opening (23), the bottom of the cabinet base (2-8) and transparent tunnel (20) is provided with routing hole (2-10), and sound emission is visited
The wire of head (19) is connected through routing hole (2-10) with Acoustic radiating instrument (15).
8. according to a kind of coal and gas prominent analogue experiment installation described in claim 7, it is characterised in that：The transparent tunnel
(20) bottom is provided with the base (24) for supporting transparent tunnel (20).
9. according to a kind of coal and gas prominent analogue experiment installation described in claim 1, it is characterised in that：First pipeline
(30) gas pressure table (7) and pressure-reducing valve (8) are provided with, the pressure-reducing valve (8) is positioned at gas pressure table (7) and methane gas
Between tank (12), vacuum table (10) and intake valve (9) are provided with second pipeline (31), the intake valve (9) is positioned at negative
Between pressure table (10) and air compressor (11).
10. according to a kind of coal and gas prominent analogue experiment installation described in claim 1, it is characterised in that：First liquid
Compressing cylinder (16) includes the first hydraulic oil container (6) and the first hydraulic pressure by the first hydraulic system fuel feeding, first hydraulic system
Pump (5), the oil inlet of first hydraulic pump (5) is connected by the first hydraulic tube with the first hydraulic oil container (6), first liquid
The oil inlet of compressing cylinder (16) is connected by the second hydraulic tube with the oil-out of the first hydraulic pump (5), on second hydraulic tube
It is connected with first pressure table (3) and the first overflow valve (4)；Second hydraulic jack (18) by the second hydraulic system fuel feeding,
Second hydraulic system includes the second hydraulic oil container (28) and the second hydraulic pump (27), the oil-feed of second hydraulic pump (27)
Mouth is connected by the 3rd hydraulic tube with the second hydraulic oil container (28), and the oil inlet of second hydraulic jack (18) passes through the 4th liquid
Pressure pipe is connected with the oil-out of the second hydraulic pump (27), second pressure table (25) and second is connected with the 4th hydraulic tube and is overflow
Stream valve (26).
Priority Applications (1)
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Cited By (7)
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| CN106526094A (en) * | 2016-12-27 | 2017-03-22 | 西安科技大学 | Coal and gas outburst simulation experiment device and experiment method |
| CN107271568A (en) * | 2017-08-11 | 2017-10-20 | 广东石油化工学院 | A kind of experiment for pressure vessel device for acoustic emission detection |
| CN108169004A (en) * | 2017-12-26 | 2018-06-15 | 安徽理工大学 | Radiant temperature field observation system and method in a kind of coal containing methane gas destructive process |
| CN109490482A (en) * | 2018-12-05 | 2019-03-19 | 重庆大学 | A kind of device and method for simulating the compound dynamic disaster of deep coalmining |
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| CN113311134A (en) * | 2021-06-16 | 2021-08-27 | 中国地质大学（北京） | Coal and gas outburst simulation test bed |
| CN116087458B (en) * | 2022-12-23 | 2023-08-29 | 重庆大学 | Deep buried coal seam gas outburst test system |
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2016
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| CN106526094A (en) * | 2016-12-27 | 2017-03-22 | 西安科技大学 | Coal and gas outburst simulation experiment device and experiment method |
| CN106526094B (en) * | 2016-12-27 | 2018-07-13 | 西安科技大学 | A kind of coal and gas prominent analogue experiment installation and experimental method |
| CN107271568A (en) * | 2017-08-11 | 2017-10-20 | 广东石油化工学院 | A kind of experiment for pressure vessel device for acoustic emission detection |
| CN108169004A (en) * | 2017-12-26 | 2018-06-15 | 安徽理工大学 | Radiant temperature field observation system and method in a kind of coal containing methane gas destructive process |
| CN108169004B (en) * | 2017-12-26 | 2021-04-27 | 安徽理工大学 | System and method for observing radiation temperature field in process of destroying gas-containing coal |
| CN109490482A (en) * | 2018-12-05 | 2019-03-19 | 重庆大学 | A kind of device and method for simulating the compound dynamic disaster of deep coalmining |
| CN109490482B (en) * | 2018-12-05 | 2019-08-06 | 重庆大学 | A kind of device and method for simulating the compound dynamic disaster of deep coalmining |
| CN111351704A (en) * | 2018-12-05 | 2020-06-30 | 重庆大学 | Dynamic effect simulation experiment method for composite dynamic disaster of deep mining mine |
| CN111351704B (en) * | 2018-12-05 | 2021-08-13 | 重庆大学 | Dynamic effect simulation experiment method for composite dynamic disaster of deep mining mine |
| CN113311134A (en) * | 2021-06-16 | 2021-08-27 | 中国地质大学（北京） | Coal and gas outburst simulation test bed |
| CN116087458B (en) * | 2022-12-23 | 2023-08-29 | 重庆大学 | Deep buried coal seam gas outburst test system |
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