CN112415171A - Test device for simulating coal and gas outburst impact disaster-causing effect - Google Patents
Test device for simulating coal and gas outburst impact disaster-causing effect Download PDFInfo
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- CN112415171A CN112415171A CN202011230983.XA CN202011230983A CN112415171A CN 112415171 A CN112415171 A CN 112415171A CN 202011230983 A CN202011230983 A CN 202011230983A CN 112415171 A CN112415171 A CN 112415171A
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- 239000003245 coal Substances 0.000 title claims abstract description 48
- 230000000694 effects Effects 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 238000012544 monitoring process Methods 0.000 claims abstract description 51
- 238000002474 experimental method Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 22
- 239000005341 toughened glass Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005336 cracking Methods 0.000 abstract description 5
- 230000001066 destructive effect Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
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Abstract
The invention discloses a test device for simulating coal and gas outburst impact disaster-causing effect, which comprises: the gas pressure measuring device comprises an experiment box, a gas pressure measuring device and a gas pressure measuring device, wherein a fixed monitoring structure, a sealing structure and a measuring structure are arranged on the experiment box, and an air pressure structure and a gas pressurization structure are arranged on the sealing structure; the invention has the advantages that the experiment box can be independently communicated with different box bodies through the sealing structure, so that the experiment effect is achieved, the fracture pressure of a coal sample is measured through the air pressure structure, the pressure in the experiment box is increased to the coal cracking pressure through the gas pressurization structure, and the injection distance and the destructive power under the cracking pressure are measured through the measurement structure.
Description
Technical Field
The invention relates to the technical field of coal and gas outburst impact disaster-causing experiments, in particular to a test device for simulating coal and gas outburst impact disaster-causing effects.
Background
The coal and gas outburst refers to the coal body dynamic phenomenon under the coal mine: in a very short time, a large amount of gas and pulverized coal are suddenly ejected from a coal body into a roadway (including a stope), and a cavity of a certain special shape is formed in the coal body. The ejected pulverized coal is carried by the gas flow and causes certain dynamic effects (dumping cars, boulders, breaking supports, etc.). According to the coal and gas outburst comprehensive action hypothesis, the coal and gas outburst is a complex dynamic disaster phenomenon which occurs under the comprehensive action influence of ground stress, gas pressure and coal body physical and mechanical properties, and the coal and gas outburst is the most serious natural disaster threatening the safety production of coal mines, so that the research on coal and gas outburst mechanisms can explain the occurrence conditions and rules of the coal mine underground gas disaster, so that outburst prevention measures are more targeted and effective.
Disclosure of Invention
The invention aims to solve the problems, designs a test device for simulating the coal and gas outburst impact disaster-causing effect, and solves the problem of the existing detection difficulty.
The technical scheme of the invention for realizing the aim is as follows: a test device for simulating coal and gas outburst impact disaster effect comprises: the gas pressure measuring device comprises an experiment box, a gas pressure measuring device and a gas pressure measuring device, wherein a fixed monitoring structure, a sealing structure and a measuring structure are arranged on the experiment box, and an air pressure structure and a gas pressurization structure are arranged on the sealing structure;
the fixed monitoring structure comprises: the monitoring system comprises a monitoring platform, three telescopic hydraulic push rods with the same structure, three extrusion arc blocks with the same structure, three flexible extrusion pads with the same structure, three telescopic flexible pads with the same structure, a cross-shaped lifting monitoring box, monitoring toughened glass, a CCD monitoring camera and a pair of lifting electric push rods with the same structure;
the monitoring platform is installed in the experimental box, and is three flexible hydraulic push rod becomes triangle-shaped respectively and installs on the monitoring platform, and is three extrusion circular arc piece is installed respectively in three flexible hydraulic push rod promotes to serve, and is three the flexible extrusion pad is installed respectively in three on the extrusion circular arc piece, it is three flexible pad suit is in three on the flexible hydraulic push rod, the lift groove has been seted up on the experimental box, cross lift monitoring box activity cartridge is in the lift inslot, and is a pair of lift electric putter catch end is installed respectively on cross lift monitoring box, control toughened glass installs on cross lift monitoring box, the CCD monitoring camera is installed in cross lift monitoring box.
Preferably, the sealing structure comprises: the sealing device comprises a pair of sealing electric push rods with the same structure, a pair of sealing electromagnets with the same structure, a pair of sealing plates with the same structure, a pair of clip-shaped inflatable gaskets with the same structure, a sealing inflator pump and a shunting sealing valve;
the experimental box is provided with a pair of sealing ports with the same structure, and is a pair of sealing driving ports are respectively arranged on the sealing ports, and is a pair of sealing electric push rods are respectively arranged in the sealing driving ports, and are a pair of sealing electromagnets are respectively arranged in the sealing electric push rods to push the sealing electric push rods to be served, and are a pair of sealing plates are respectively movably inserted in the sealing ports, and are a pair of the clip-shaped inflatable sealing gaskets are respectively arranged on the sealing plates, the sealing inflator pump is arranged on the experimental box, the shunt sealing valve is arranged on the sealing inflator pump, and the shunt sealing valve is connected with the clip-shaped inflatable sealing gaskets through a pipeline.
Preferably, the measuring structure comprises: the device comprises a measuring box, a lifting graduated scale, a lifting block, a colliding flexible pad and a detection assembly;
the measuring box is installed on the sealing opening, the lifting graduated scale is installed in the measuring box, the lifting block is movably inserted in the measuring box, the flexible bump pad is installed at the top end of the inner side of the measuring box, and the detection assembly is installed in the measuring box.
Preferably, the pneumatic structure comprises: the device comprises a pneumatic box, a pneumatic pump and a pneumatic detector;
the pneumatic box is arranged on the sealing port, the pneumatic pump is arranged on the pneumatic box, and the pneumatic detector is arranged in the experiment box.
Preferably, the gas pressurizing structure includes: a gas bottle, a drainage tube and a drainage valve;
the gas bottle is installed on the experimental box, the drainage valve is installed on the gas bottle, the drainage tube is installed on the drainage valve, and the drainage tube cartridge is on the experimental box.
Preferably, the detecting component includes: the device comprises an infrared range finder and a measuring camera;
the measurement box is provided with observation toughened glass, the measurement camera is installed on the observation toughened glass, and the infrared distance measuring instrument is installed in the measurement box.
Preferably, a gas measuring instrument is arranged outside the experiment box.
Preferably, an alarm instrument is arranged outside the experiment box.
Preferably, a plurality of lifting ball grooves with the same structure are formed in the lifting block, and lifting balls are arranged in the plurality of lifting ball grooves respectively.
Preferably, pressure sensors are respectively arranged in the three flexible pressing pads.
The test device for simulating the coal and gas outburst impact disaster effect manufactured by the technical scheme of the invention can enable the test box to be independently communicated with different box bodies through the sealing structure, thereby achieving the effect of the experiment, measure the fracture pressure of a coal sample through the air pressure structure, increase the pressure in the test box to the coal fracture pressure through the gas pressurization structure, and measure the injection distance and the destructive power under the fracture pressure through the measurement structure.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a test device for simulating a coal and gas outburst impact disaster effect according to the present invention.
Fig. 2 is a schematic side view of a testing apparatus for simulating coal and gas outburst impact disaster-causing effect according to the present invention.
Fig. 3 is a schematic top view of a testing apparatus for simulating coal and gas outburst disaster-causing effect according to the present invention.
Fig. 4 is a schematic view of a fixed monitoring structure of the testing apparatus for simulating coal and gas outburst impact disaster-causing effect according to the present invention.
FIG. 5 is a schematic view of a sealing structure of a testing apparatus for simulating coal and gas outburst impact disaster-causing effect according to the present invention.
In the figure: 1-an experimental box; 2-a monitoring station; 3-telescopic hydraulic push rod; 4-extruding the circular arc block; 5-flexible extrusion cushion; 6-flexible cushion; 7-a cross-shaped lifting monitoring box; 8-monitoring the toughened glass; 9-CCD monitoring camera; 10-lifting electric push rod; 11-a lifting groove; 12-sealing the electric push rod; 13-sealing the electromagnet; 14-sealing plate; 15-a square-shaped inflatable gasket; 16-a sealed inflator; 17-a split flow seal valve; 18-sealing the port; 19-sealing the drive port; 20-a measuring box; 21-lifting graduated scale; 22-a lifting block; 23-bumping flexible pad; 24-a pneumatic box; 25-a pneumatic pump; 26-a gas pressure detector; 27-gas bottle; 28-a drainage tube; 29-drainage valve.
Detailed Description
The present embodiment is characterized by comprising: the gas pressure measuring device comprises an experiment box, a gas pressure measuring device and a gas pressure measuring device, wherein a fixed monitoring structure, a sealing structure and a measuring structure are arranged on the experiment box, and an air pressure structure and a gas pressurization structure are arranged on the sealing structure; the fixed monitoring structure includes: the monitoring system comprises a monitoring platform, three telescopic hydraulic push rods with the same structure, three extrusion arc blocks with the same structure, three flexible extrusion pads with the same structure, three telescopic flexible pads with the same structure, a cross-shaped lifting monitoring box, monitoring toughened glass, a CCD monitoring camera and a pair of lifting electric push rods with the same structure; the monitoring platform is arranged in the experiment box, three telescopic hydraulic push rods are respectively installed on the monitoring platform in a triangular mode, three extrusion arc blocks are respectively installed on pushing ends of the three telescopic hydraulic push rods, three flexible extrusion pads are respectively installed on the three extrusion arc blocks, the three flexible extrusion pads are sleeved on the three telescopic hydraulic push rods, a lifting groove is formed in the experiment box, the cross-shaped lifting monitoring box is movably inserted into the lifting groove, pushing ends of a pair of lifting electric push rods are respectively installed on the cross-shaped lifting monitoring box, monitoring toughened glass is installed on the cross-shaped lifting monitoring box, and the CCD monitoring camera is installed in the cross-shaped lifting monitoring box; through seal structure for the experimental box can communicate alone with different boxes, thereby reaches the effect of experiment, measures the rupture pressure of coal sample through the atmospheric pressure structure, increases the coal fracture pressure through the pressure of gas pressurization structure in with the experimental box, under measuring the fracture pressure through measuring structure, the distance and the destructive power of injection.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): the coal gasification device is characterized in that an extrusion arc block 4 on the pushing end of a telescopic hydraulic push rod 3 and three flexible extrusion pads 5 on three extrusion arc blocks 4 are respectively pushed through the operation of three telescopic hydraulic push rods 3, carbon raw materials are extruded in a triangular mode through the three flexible extrusion pads 5, a sealing electric push rod 12 is stretched and contracted to push a sealing electromagnet 13 on the pushing end of the sealing electric push rod 12, the sealing electromagnet 13 is electrified through the sealing electromagnet 13 to generate magnetism, the magnetism is adsorbed to a sealing plate 14 through the magnetism, a clip-shaped inflatable sealing gasket 15 on the sealing plate 14 is driven through the sealing plate 14, two pairs of clip-shaped inflatable sealing gaskets 15 are respectively extruded and fixed on a pair of sealing plates 14 through the operation of a sealing pump 16, the pressure box 24 and the experiment box 1 are pressurized through the operation of a pneumatic pump 25, the coal raw materials are monitored through a CCD monitoring camera 9 in a cross-shaped lifting monitoring box 7, meanwhile, the air pressure is monitored through an air pressure detector 26, when coal is cracked, the operation of an air pressure pump 25 is stopped, the cracking air pressure of the fed coal is reduced, three telescopic hydraulic push rods 3 are contracted, the coal raw material is replaced, the sealing structure on one side of the air pressure box 24 is closed, the drainage valve 29 is opened, gas in a gas bottle 27 on the drainage valve 29 is drained into the experiment box 1 through the drainage pipe 28, the air pressure in the experiment box 1 is pressurized to the previous cracking pressure of the coal, the sealing structure on one side of the measuring structure is opened, the height of the lifting block 22 pushed by the air pressure is observed, and the cracking and section-cutting distance of the coal is measured.
Preferably, the sealing structure further comprises: a pair of sealing electric push rods 12 with the same structure, a pair of sealing electromagnets 13 with the same structure, a pair of sealing plates 14 with the same structure, a pair of clip-shaped inflatable gaskets 15 with the same structure, a sealing inflator 16 and a shunting sealing valve 17;
the experimental box 1 is provided with a pair of sealing ports 18 with the same structure, the sealing ports 18 are provided with a pair of sealing driving ports 19 respectively, the sealing electric push rods 12 are arranged in the pair of sealing driving ports 19 respectively, the pair of sealing electromagnets 13 are arranged in the pair of sealing electric push rods 12 respectively, the sealing plates 14 are movably inserted in the pair of sealing ports 18 respectively, the pair of clip-shaped inflatable sealing gaskets 15 are arranged on the pair of sealing plates 14 respectively, the sealing inflatable pump 16 is arranged on the experimental box 1, the shunt sealing valve 17 is arranged on the pair of sealing inflatable pumps 16, and the shunt sealing valve 17 is connected to the pair of clip-shaped inflatable sealing gaskets 15 through a pipeline.
Preferably, the measuring structure further comprises: the device comprises a measuring box 20, a lifting graduated scale 21, a lifting block 22, a colliding flexible pad 23 and a detection assembly;
the measuring box 20 is installed on the sealing opening 18, the lifting graduated scale 21 is installed in the measuring box 20, the lifting block 22 is movably inserted in the measuring box 20, the flexible bump pad 23 is installed at the top end of the inner side of the measuring box 20, and the detection assembly is installed in the measuring box 20.
Preferably, the pneumatic structure further comprises: a pneumatic tank 24, a pneumatic pump 25, and a pneumatic detector 26;
the pneumatic box 24 is installed on the sealing port 18, the pneumatic pump 25 is installed on the pneumatic box 24, and the pneumatic detector 26 is installed in the experimental box 1.
Preferably, the gas pressurizing structure further includes: a gas bottle 27, a drainage tube 28 and a drainage valve 29;
the gas bottle 27 is installed on the experimental box 1, the drainage valve is installed on the gas bottle 27, the drainage tube 28 is installed on the drainage valve 29, and the drainage tube 28 is inserted on the experimental box 1.
Preferably, the detecting component further comprises: the device comprises an infrared range finder and a measuring camera;
the measurement box 20 is provided with observation toughened glass, the measurement camera is installed on the observation toughened glass, and the infrared distance meter is installed in the measurement box 20.
Preferably, a gas meter is arranged outside the experimental box 1.
Preferably, an alarm is further provided outside the experimental box 1.
Preferably, the lifting block 22 is provided with a plurality of lifting ball grooves having the same structure, and a plurality of lifting balls are respectively disposed in the lifting ball grooves.
Preferably, three pressure sensors are respectively arranged in the three flexible pressing pads 5.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A test device for simulating coal and gas outburst impact disaster effect comprises: the experimental box (1) is characterized in that a fixed monitoring structure, a sealing structure and a measuring structure are arranged on the experimental box (1), and an air pressure structure and a gas pressurization structure are arranged on the sealing structure;
the fixed monitoring structure comprises: the device comprises a monitoring platform (2), three telescopic hydraulic push rods (3) with the same structure, three extrusion arc blocks (4) with the same structure, three flexible extrusion pads (5) with the same structure, three telescopic flexible pads (6) with the same structure, a cross-shaped lifting monitoring box (7), monitoring toughened glass (8), a CCD monitoring camera (9) and a pair of lifting electric push rods (10) with the same structure;
the monitoring table (2) is arranged in the experiment box (1), the three telescopic hydraulic push rods (3) are respectively arranged on the monitoring table (2) in a triangular shape, the three extrusion arc blocks (4) are respectively arranged on the pushing ends of the three telescopic hydraulic push rods (3), the three flexible extrusion pads (5) are respectively arranged on the three extrusion arc blocks (4), the three telescopic flexible pads (6) are sleeved on the three telescopic hydraulic push rods (3), the experimental box (1) is provided with a lifting groove (11), the cross-shaped lifting monitoring box (7) is movably inserted in the lifting groove (11), the pushing ends of a pair of lifting electric push rods (10) are respectively arranged on the cross-shaped lifting monitoring box (7), the monitoring toughened glass (8) is arranged on the cross-shaped lifting monitoring box (7), the CCD monitoring camera (9) is arranged in the cross-shaped lifting monitoring box (7).
2. The testing apparatus for simulating a coal and gas outburst disaster effect according to claim 1, wherein the sealing structure comprises: a pair of sealing electric push rods (12) with the same structure, a pair of sealing electromagnets (13) with the same structure, a pair of sealing plates (14) with the same structure, a pair of clip-shaped inflatable gaskets (15) with the same structure, a sealing inflator pump (16) and a shunting sealing valve (17);
the experimental box (1) is provided with a pair of sealing ports (18) with the same structure, a pair of sealing ports (18) are respectively provided with a sealing driving port (19), a pair of sealing electric push rods (12) are respectively arranged in the pair of sealing driving ports (19), a pair of sealing electromagnets (13) are respectively arranged on the pushing ends of the pair of sealing electric push rods (12), a pair of sealing plates (14) are respectively movably inserted in the pair of sealing ports (18), a pair of clip-shaped inflatable sealing gaskets (15) are respectively arranged on the pair of sealing plates (14), the sealing inflator pump (16) is arranged on the experimental box (1), the shunt sealing valve (17) is arranged on a pair of the sealing inflator pumps (16), and the shunting sealing valve (17) is connected to the pair of the clip-shaped inflatable sealing gaskets (15) through a pipeline.
3. The testing apparatus for simulating the coal and gas outburst disaster effect according to claim 1, wherein the measuring structure comprises: the device comprises a measuring box (20), a lifting graduated scale (21), a lifting block (22), a colliding flexible pad (23) and a detection assembly;
the measuring box (20) is installed on the sealing port (18), the lifting graduated scale (21) is installed in the measuring box (20), the lifting block (22) is movably inserted into the measuring box (20), the flexible bump pad (23) is installed at the top end of the inner side of the measuring box (20), and the detection assembly is installed in the measuring box (20).
4. The apparatus of claim 1, wherein the pneumatic structure comprises: a pneumatic tank (24), a pneumatic pump (25), and a pneumatic detector (26);
the pneumatic box (24) is arranged on the sealing port (18), the pneumatic pump (25) is arranged on the pneumatic box (24), and the pneumatic detector (26) is arranged in the experiment box (1).
5. The apparatus of claim 1, wherein the gas pressurization structure comprises: a gas bottle (27), a drainage tube (28) and a drainage valve (29);
gas bottle (27) are installed on experimental box (1), the drainage valve is installed on gas bottle (27), drainage tube (28) are installed on drainage valve (29), just drainage tube (28) cartridge is on experimental box (1).
6. The testing apparatus for simulating the coal and gas outburst disaster effect according to claim 1, wherein the detecting component comprises: the device comprises an infrared range finder and a measuring camera;
the measurement box (20) is provided with observation toughened glass, the measurement camera is installed on the observation toughened glass, and the infrared distance meter is installed in the measurement box (20).
7. The test device for simulating the coal and gas outburst disaster effect is characterized in that a gas measuring instrument is arranged outside the test box (1).
8. The test device for simulating the coal and gas outburst disaster effect is characterized in that an alarm instrument is arranged outside the test box (1).
9. The testing device for simulating the coal and gas outburst disaster-causing effect according to claim 1, wherein a plurality of lifting ball grooves with the same structure are formed in the lifting block (22), and lifting balls are respectively arranged in the plurality of lifting ball grooves.
10. The test device for simulating the coal and gas outburst disaster effect according to the claim 1, characterized in that pressure sensors are respectively arranged in three flexible extrusion cushions (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230983.XA CN112415171B (en) | 2020-11-06 | 2020-11-06 | Test device for simulating coal and gas outburst impact disaster-causing effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011230983.XA CN112415171B (en) | 2020-11-06 | 2020-11-06 | Test device for simulating coal and gas outburst impact disaster-causing effect |
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| CN112415171A true CN112415171A (en) | 2021-02-26 |
| CN112415171B CN112415171B (en) | 2022-11-08 |
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| CN112415171B (en) | 2022-11-08 |
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