CN204925064U - Mine calamity prevent and control analogue test system - Google Patents

Mine calamity prevent and control analogue test system Download PDF

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Publication number
CN204925064U
CN204925064U CN201520392386.5U CN201520392386U CN204925064U CN 204925064 U CN204925064 U CN 204925064U CN 201520392386 U CN201520392386 U CN 201520392386U CN 204925064 U CN204925064 U CN 204925064U
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plate
test stand
simulation
pressure bladder
model
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CN201520392386.5U
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公彬
蒋宇静
王刚
梁赛江
尹立明
孙文斌
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Abstract

The utility model discloses a mine calamity prevent and control analogue test system, it includes the test stand, and this test stand top is provided with vertical load mechanism, be provided with the load plate that the level was arranged on this vertical load mechanism, the left and right sides of this test stand is provided with horizontal load mechanism respectively, the horizontal load mechanism of both sides arranges in opposite directions, horizontal load mechanism is provided with the vertical curb plate of arranging, both sides about load plate are pressed respectively to the both sides board, both sides are equipped with the panel that transparent material made respectively around this test stand, load plate, two curb plates, two panels form the accommodation space who is used for placing the sample with the bottom of test stand, the pressure bag is arranged in simulation coal seam or simulation roof or simulation bottom plate. The utility model discloses it is easy and simple to handle, improved analogue test's authenticity.

Description

A kind of mine disaster Prevention and controls simulation experiment system
Technical field
The utility model relates to equivalent material simulating field, particularly a kind of mine disaster Prevention and controls simulation experiment system.
Background technology
Equivalent Materials Testing is the modeling techniques based on similarity theory, is that the feature such as utilize the phase Sihe existed between things or phenomenon similar is to study a kind of method of the natural law.It is specially adapted to those research fields being difficult to obtain by theoretical analysis method result, is also a kind of effective means of theoretical study results being carried out to com-parison and analysis simultaneously.
Equivalent Materials Testing has following characteristics: Equivalent Materials Testing can the major parameter of strict control simulation object, not by the restriction of external condition; Equivalent Materials Testing can give prominence to studied a question principal contradiction, so that find and hold essential characteristic and the inner link of research object; Similar material model easily makes, and compared with prototype test, has and saves human and material resources, financial resources and the advantage of time; The performance that equivalent material simulating is measurable can not directly be tested prototype and can not analyze, Equivalent Materials Testing can and numerical simulation combine the correctness of inspection prototype conclusion.
Resemble simulation test is using similarity theory, scaling analysis as the experimental study method of foundation, is more suitable for the model investigation of field, mine rock mass gushing water compared to traditional structure model test.At present, rib front stress distribution in Equivalent Materials Testing most lumped modelling seam mining process in bibliographical information, after seam mining, workplace presses rule and roof caving form and scope, has in minority document the report can seeing simulation Water Inrush.The situation that traditional similar material simulation test system can be simulated is single, be restriction Equivalent Materials Testing widespread use in the main cause of research mine disaster.
In order to solve the problem, propose a kind of mine disaster Prevention and controls simulation experiment system, this equivalent material simulating system can simulate the mine disasters such as coal mine roof plate gushing water, Water Inrush, inrush through faults, coal and gas prominent, all right dummy level tectonic stress simultaneously, simulated conditions are made to follow close to real condition of coal seam occurrence, test findings is more accurately credible, improves the authenticity of simulation test.
Summary of the invention
The purpose of this utility model to simulate scope and the form of roof caving in seam mining process, the mine disaster such as gushing water and coal and gas prominent can not be simulated, the deficiency of tectonic stress can not be simulated, there is provided one can simulate the mine disasters such as coal mine roof plate gushing water, Water Inrush, inrush through faults, coal and gas prominent, simultaneously the multi-functional similar material simulation test system of all right dummy level tectonic stress.
In order to solve the problem, technical method of the present utility model is:
A kind of mine disaster Prevention and controls similar material simulation test system, comprise test stand, it is characterized in that: this test stand top is provided with longitudinal load maintainer, this longitudinal load maintainer is provided with horizontally disposed load plate, the left and right sides of this test stand is respectively arranged with horizontal load maintainer, the horizontal load maintainer of both sides is arranged in opposite directions, horizontal load maintainer is provided with the side plate vertically arranged, biside plate is pressed in the right and left of load plate respectively, the both sides, front and back of this test stand are respectively equipped with the panel that transparent material is made, load plate, two side plates, spatial accommodation for placing sample is formed on the bottom of two panels and test stand, pressure bladder is arranged in simulation coal seam or simulation top board or simulates in base plate.
Described a kind of mine disaster Prevention and controls simulation experiment system, it is characterized in that: above-mentioned load plate is made up of sliding shoe, spring, contiguous block, contiguous block connects adjacent sliding shoe in sliding shoe upper and lower surfaces respectively, is provided with spring between two sliding shoes.
Described a kind of mine disaster Prevention and controls simulation experiment system, is characterized in that: above-mentioned side plate is made up of the smooth steel plate of polylith, every block plate and a side direction lifting jack hinged, the framework that side direction lifting jack is fixed on both sides can rotate up and down.
Described a kind of mine disaster Prevention and controls simulation experiment system, it is characterized in that: pressure bladder is made up of utricule, interlayer, sealing ring, spring, gushing water pipe, utricule is divided into upper and lower two parts by interlayer, gushing water pipe lower end is installed in pressure bladder perpendicular to interlayer through spring and sealing successively, seal ring seal interlayer makes water or gas exist only in the bottom of utricule, and pressure bladder can the experimental concrete condition adjustment direction of installing and position.
Described a kind of mine disaster Prevention and controls simulation experiment system, is characterized in that: when simulation roof water inrush, Water Inrush, inrush through faults, pressure bladder bottom is filled with high pressure colored water, and during simulation coal and gas prominent, pressure bladder bottom is filled with the coloured gas of high pressure.。
A kind of mine disaster Prevention and controls similar material simulation test system using method, it mainly comprises step:
A, according to geology borehole data, consult model proportioning materials table, lay model;
B, detect the data obtained according to site physical, the position that inverting roof water, Floor water or methane accumulation exist, determine pressure bladder position in a model according to ratio and bury pressure bladder underground;
C, install sensor at Seam Roof And Floor, the change of monitoring Seam Roof And Floor stress and displacement, in pressure bladder gushing water pipe exit placement sensor, the STRESS VARIATION in monitoring gushing water pipe exit and aquifer yield;
After D, model have been laid, determine that relevant position side plate applies side load to model according to actual conditions, longitudinal load maintainer applies meridional stress, fills water or gas in pressure bladder simultaneously, filling water when simulating gushing water in pressure bladder, filling gas when simulating Gas Outburst in pressure bladder;
Data are collected, until gushing water or coal and gas prominent in E, excavation coal seam simultaneously.
beneficial effect:
According to technique scheme, contrast prior art the utility model has the following advantages: can simulate the mine disasters such as coal mine roof plate gushing water, Water Inrush, inrush through faults, coal and gas prominent, all right dummy level tectonic stress simultaneously, simulated conditions are made to follow close to real condition of coal seam occurrence, test findings is more accurately credible, improves the authenticity of simulation test.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
Simulation experiment system structural representation when Fig. 1 does not lay model;
Simulation experiment system structural representation when Fig. 2 has laid model;
Fig. 3 horizontal addload plate structure schematic diagram;
Fig. 4 bottom frame structure schematic diagram;
Fig. 5 pressure bladder structural representation;
Fig. 6 simulates roof water inrush structural representation;
Fig. 7 simulates Water Inrush structural representation;
Fig. 8 simulates coal and gas prominent structural representation;
Fig. 9 simulates inrush through faults structural representation;
Marginal data, 1-hydraulic pump, 2-stop valve, 3-reduction valve, 4-reduction valve, 5-longitudinally load lifting jack, 6-horizontal addload plate, 6a-sliding shoe, 6b-contiguous block, 6c-sliding tray, 6d-elastic compression mechanism, 6e-lifting jack sliding tray, 7-chassis base, the support of 8-base of frame, 9-base of frame space, 10-framework, 11-side direction load plate, the loading of 12-side direction lifting jack, 13-pressure bladder, 13a-utricule, 13b-interlayer, 13c-O-ring seal, 13d-sealing ring, 13e-spring, 13f-gushing water pipe, 14-high-pressure pump.
Embodiment
The utility model provides a kind of mine disaster Prevention and controls simulation experiment system, in order to make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, below with reference to accompanying drawing and embodiment, further describes the utility model.
The utility model provides a kind of mine disaster Prevention and controls simulation experiment system, as shown in Figure 1, it comprises test stand 10, and test stand 10 can adopt any technology type well known in the prior art, such as adopt the length, width and height of test stand to be 2 meters, but be not limited only to aforesaid way.
This test stand 10 top is provided with and longitudinally loads lifting jack 5, longitudinally load lifting jack 5 and be provided with horizontally disposed load plate 6, longitudinally load lifting jack 5 and load plate 6 can apply identical meridional stress, also can apply different meridional stresses and carry out shearing force testing.The left and right sides of this test stand 10 is respectively arranged with and laterally loads lifting jack 12, the transverse direction of both sides loads lifting jack 12 and arranges in opposite directions, each laterally loading on lifting jack is provided with a side plate 11 vertically arranged, side plate 11 is pressed in the both sides of load plate 6, the both sides, front and back of this test stand 10 are respectively arranged with the panel be made up of high-strength transparence material, load plate 6, two groups of side plates, the base plate 7 of two panels and test stand 10 forms the spatial accommodation for placing sample, sample adopts geotechnical boring data, consult model proportioning materials table, lay model, when this longitudinally loads lifting jack 5 to sample applying meridional stress, sample is made to contact tightr with chassis base 7.
The utility model additionally provides a kind of method that roof gushing water, Water Inrush, inrush through faults or coal and gas prominent are adopted in simulation, and it mainly comprises the following steps:
A, according to geology borehole data, consult model proportioning materials table, lay model, as shown in Figure 2;
B, detect the data obtained and the Practical Project situation that will simulate according to site physical, the position that inverting roof water, Floor water or methane accumulation exist, determine pressure bladder position in a model according to ratio and bury pressure bladder underground, as shown in Fig. 6-Fig. 9, wherein, Fig. 6 simulates roof water inrush structural representation; Fig. 7 simulates Water Inrush structural representation; Fig. 8 simulates coal and gas prominent structural representation; Fig. 9 simulates inrush through faults structural representation;
C, install sensor at roof and seat earth, monitoring roof and the change of seat earth stress and displacement, in a kind of Equivalent Materials Testing gushing water analogue means gushing water pipe exit placement sensor, the STRESS VARIATION in monitoring gushing water pipe exit and aquifer yield;
After D, model have been laid, determine that relevant position side plate applies side load to model according to actual conditions, longitudinal load maintainer applies meridional stress, fills water or gas in pressure bladder simultaneously, filling water when simulating gushing water in pressure bladder, filling gas when simulating Gas Outburst in pressure bladder;
Data are collected, until gushing water or coal and gas prominent in E, excavation coal seam simultaneously.
Example one: simulation roof water inrush
1) according to geology borehole data, obtain concrete rock stratum and coal seam quantity and position relationship, consult model proportioning materials table, obtain coal seam and each rock stratum similar material mixture, required material is put into agitated kettle and modulates, and lay model, as shown in Figure 2;
2) according to the physical prospecting means such as field geology radar, transient electromagnetic obtain data, inverting roof water exist position, determine pressure bladder size dimension and position in a model according to dimension scale, and bury pressure bladder underground, as shown in Figure 6;
3) sensor is installed at roof and seat earth, monitoring roof and the change of seat earth stress and displacement, in pressure bladder gushing water pipe exit placement sensor, the STRESS VARIATION in monitoring gushing water pipe exit and aquifer yield;
4) after model has been laid, determine that relevant position side plate applies side load to model according to actual conditions, longitudinal load maintainer applies longitudinal loading, fills water in pressure bladder simultaneously;
5) analog operation face exploitation process excavation coal seam, collects data simultaneously, until there is roof water inrush;
6) as required, parameter such as adjustment material, hydraulic pressure etc., repeats above-mentioned steps.
Example two: simulation coal and gas prominent
1) according to geology borehole data, obtain concrete rock stratum and coal seam quantity and position relationship, consult model proportioning materials table, obtain coal seam and each rock stratum similar material mixture, required material is put into agitated kettle and modulates, and lay model, as shown in Figure 2;
2) according to the physical prospecting means such as field geology radar, transient electromagnetic obtain data, inverting gas gathers the position of existence, determines pressure bladder size dimension and position in a model according to dimension scale, and buries pressure bladder underground, as shown in Figure 7;
3) sensor is installed at roof and seat earth, monitoring roof and the change of seat earth stress and displacement, in pressure bladder gushing water pipe exit placement sensor, the STRESS VARIATION in monitoring gushing water pipe exit and air output;
4) after model has been laid, determine that relevant position side plate applies side load to model according to actual conditions, longitudinal load maintainer applies longitudinal loading, fills high pressure colored gas in pressure bladder simultaneously;
5) analog operation face exploitation process excavation coal seam, collects data simultaneously, until there is coal and gas prominent;
6) as required, parameter such as adjustment material, air pressure etc., repeats above-mentioned steps.
Example three: simulation Water Inrush
1) according to geology borehole data, obtain concrete rock stratum and coal seam quantity and position relationship, consult model proportioning materials table, obtain coal seam and each rock stratum similar material mixture, required material is put into agitated kettle and modulates, and lay model, as shown in Figure 2;
2) according to the physical prospecting means such as field geology radar, transient electromagnetic obtain data, inverting Floor water exist position, determine pressure bladder size dimension and position in a model according to dimension scale, and bury pressure bladder underground, as shown in Figure 8;
3) sensor is installed at roof and seat earth, monitoring roof and the change of seat earth stress and displacement, in pressure bladder gushing water pipe exit placement sensor, the STRESS VARIATION in monitoring gushing water pipe exit and aquifer yield;
4) after model has been laid, determine that relevant position side plate applies side load to model according to actual conditions, longitudinal load maintainer applies longitudinal loading, fills water under high pressure in pressure bladder simultaneously;
5) analog operation face exploitation process excavation coal seam, collects data simultaneously, until there is Water Inrush;
6) as required, parameter such as adjustment material, hydraulic pressure etc., repeats above-mentioned steps.
Example four: simulation inrush through faults
1) according to geology borehole data, obtain concrete rock stratum and coal seam quantity and position relationship, consult model proportioning materials table, obtain coal seam and each rock stratum similar material mixture, required material is put into agitated kettle and modulates, and lay model, as shown in Figure 2;
2) according to the physical prospecting means such as field geology radar, transient electromagnetic obtain data, the position that inverting tomography exists, determine the geologic characteristic parameter αs such as co-hade, drop, turn-off, position of fault and pressure bladder size dimension and position is determined in a model according to dimension scale, and bury pressure bladder underground, as shown in Figure 9;
3) sensor is installed at roof and seat earth, monitoring roof and the change of seat earth stress and displacement, in pressure bladder gushing water pipe exit placement sensor, the STRESS VARIATION in monitoring gushing water pipe exit and aquifer yield;
4) after model has been laid, determine that relevant position side plate applies side load to model according to actual conditions, longitudinal load maintainer applies longitudinal loading, fills water under high pressure in pressure bladder simultaneously;
5) analog operation face exploitation process excavation coal seam, collects data simultaneously, until there is inrush through faults;
6) as required, parameter such as adjustment material, hydraulic pressure etc., repeats above-mentioned steps.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.

Claims (5)

1. a mine disaster Prevention and controls simulation experiment system, comprise test stand, it is characterized in that: this test stand top is provided with longitudinal load maintainer, this longitudinal load maintainer is provided with horizontally disposed load plate, the left and right sides of this test stand is respectively arranged with horizontal load maintainer, the horizontal load maintainer of both sides is arranged in opposite directions, horizontal load maintainer is provided with the side plate vertically arranged, two groups of side plates are pressed in the right and left of load plate respectively, the both sides, front and back of this test stand are respectively equipped with the panel that transparent material is made, load plate, two groups of side plates, spatial accommodation for placing sample is formed on the bottom of two panels and test stand, pressure bladder is arranged in simulation coal seam or simulation top board or simulates in base plate.
2. a kind of mine disaster Prevention and controls simulation experiment system according to claim 1, it is characterized in that: above-mentioned load plate is made up of sliding shoe, spring, contiguous block, contiguous block connects adjacent sliding shoe in sliding shoe upper and lower surfaces respectively, is provided with spring between two sliding shoes.
3. a kind of mine disaster Prevention and controls simulation experiment system according to claim 1, it is characterized in that: above-mentioned side plate is made up of the smooth steel plate of polylith, every block plate and a side direction lifting jack hinged, the framework that side direction lifting jack is fixed on both sides can rotate up and down.
4. a kind of mine disaster Prevention and controls simulation experiment system according to claim 1, it is characterized in that: pressure bladder is made up of utricule, interlayer, sealing ring, spring, gushing water pipe, utricule is divided into upper and lower two parts by interlayer, gushing water pipe lower end is installed in pressure bladder perpendicular to interlayer through spring and sealing ring successively, seal ring seal interlayer makes water or gas exist only in the bottom of utricule, and pressure bladder can the experimental concrete condition adjustment direction of installing and position.
5. a kind of mine disaster Prevention and controls simulation experiment system according to claim 1, it is characterized in that: when simulation roof water inrush, Water Inrush, inrush through faults, pressure bladder bottom is filled with high pressure colored water, during simulation coal and gas prominent, pressure bladder bottom is filled with the coloured gas of high pressure.
CN201520392386.5U 2015-06-09 2015-06-09 Mine calamity prevent and control analogue test system Expired - Fee Related CN204925064U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105116101A (en) * 2015-06-09 2015-12-02 山东科技大学 Simulation test system for prevention and control of mine disasters and application method thereof
CN105547526A (en) * 2016-01-13 2016-05-04 中国矿业大学(北京) Device and method for monitoring fault tectonic stress
CN106593369A (en) * 2016-12-08 2017-04-26 重庆大学 Simulating test method of CH4 layered displacement by CO2 in multi-layer superposed gas-containing system
CN106840996A (en) * 2016-12-23 2017-06-13 黑龙江科技大学 One kind receives mining influence coal body permeability determination device and its application method
CN107091917A (en) * 2017-04-24 2017-08-25 太原理工大学 A kind of seam mining similar material model experiment device
CN110985124A (en) * 2019-12-23 2020-04-10 安徽理工大学 Experimental device for fixed-point quantitative dynamic monitoring system for progressive lifting of coal seam floor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105116101A (en) * 2015-06-09 2015-12-02 山东科技大学 Simulation test system for prevention and control of mine disasters and application method thereof
CN105547526A (en) * 2016-01-13 2016-05-04 中国矿业大学(北京) Device and method for monitoring fault tectonic stress
CN105547526B (en) * 2016-01-13 2017-12-26 中国矿业大学(北京) A kind of monitoring device and method of fault tectonic stress
CN106593369A (en) * 2016-12-08 2017-04-26 重庆大学 Simulating test method of CH4 layered displacement by CO2 in multi-layer superposed gas-containing system
CN106840996A (en) * 2016-12-23 2017-06-13 黑龙江科技大学 One kind receives mining influence coal body permeability determination device and its application method
CN107091917A (en) * 2017-04-24 2017-08-25 太原理工大学 A kind of seam mining similar material model experiment device
CN110985124A (en) * 2019-12-23 2020-04-10 安徽理工大学 Experimental device for fixed-point quantitative dynamic monitoring system for progressive lifting of coal seam floor

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Granted publication date: 20151230

Termination date: 20180609