CN213780082U - Coal seam mining simulation modeling three-dimensional test device - Google Patents
Coal seam mining simulation modeling three-dimensional test device Download PDFInfo
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- CN213780082U CN213780082U CN202022683825.1U CN202022683825U CN213780082U CN 213780082 U CN213780082 U CN 213780082U CN 202022683825 U CN202022683825 U CN 202022683825U CN 213780082 U CN213780082 U CN 213780082U
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- 239000003245 coal Substances 0.000 title claims abstract description 124
- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 238000005065 mining Methods 0.000 title claims abstract description 80
- 238000005094 computer simulation Methods 0.000 title claims description 16
- 238000004088 simulation Methods 0.000 claims abstract description 190
- 239000011435 rock Substances 0.000 claims abstract description 56
- 239000002689 soil Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000013508 migration Methods 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
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- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a three-dimensional test device of coal seam exploitation analog simulation relates to coal exploitation analog test technical field, include: the test bed comprises a test bed body and a mining height limiting plate; the test bed body is provided with a coal bed simulation part, and rock or soil layers are filled above the coal bed simulation part; the coal seam simulation part comprises a plurality of simulation plates, each simulation plate is arranged side by side, any simulation plate can slide along the length direction of the simulation plate, a worker can respectively perform a first mining working face simulation test, an adjacent empty working face simulation test and an island working face simulation test by drawing different simulation plate combinations, in addition, the mining height limiting plate is arranged in parallel with the coal seam simulation part and is positioned below the coal seam simulation part, and the height of the mining height limiting plate can be adjusted, so that the test device can perform simulation tests at different mining heights; the utility model provides a three-dimensional test device of coal seam exploitation simulation can satisfy and measure the coal seam exploitation analogue test under the multiple different conditions.
Description
Technical Field
The utility model relates to a coal mining analogue test technical field especially relates to a three-dimensional test device of coal seam mining analog simulation.
Background
With the development of society, the energy consumption continuously rises, wherein the coal consumption occupies absolute advantages, safety and green are always taken as perpetual subjects in the coal mining process, and roof breakage, overburden migration and surface deformation caused by coal mining can be visually observed by using a similar simulation test; however, the simulation test bed used at the present stage has single condition and lower applicable condition of boundary condition simulation. Therefore, a novel three-dimensional testing device for coal seam mining simulation is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three-dimensional test device of coal seam exploitation simulation to solve the problem that above-mentioned prior art exists, make a test device can satisfy the coal seam exploitation analogue test under the multiple different conditions of measurement.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a three-dimensional test device of coal seam exploitation analog simulation, include: the test bed comprises a test bed body and a mining height limiting plate; the test bed body is provided with a coal bed simulation part, and rock or soil layers are filled above the coal bed simulation part; the coal seam simulation part comprises a plurality of simulation plates, each simulation plate is arranged side by side, a gap does not exist between every two adjacent simulation plates, any simulation plate can slide along the length direction of the simulation plate, the mining height limiting plate is parallel to the coal seam simulation part and is arranged below the coal seam simulation part, and the height of the mining height limiting plate can be adjusted.
Preferably, the test bed body is further provided with a coal pillar simulation part, the coal pillar simulation part comprises a plurality of coal pillar simulation belts, each coal pillar simulation belt is detachably arranged, and each coal pillar simulation belt is parallel to each simulation plate and is located on the upper surface of the coal seam simulation part.
Preferably, the test bed body comprises a base and a rock frame body; the rock stratum framework is a cube-shaped shell, the upper and lower of rock stratum framework is all open to be set up, the under shed orientation of rock stratum framework the base can be dismantled fixedly set up in on the base, two at the both edges in the coal seam simulation portion the analog board all follows the length direction sliding connection of analog board in on the base, arbitrary adjacent two the analog board all follows its length direction sliding connection, and slides respectively the analog board can with the under shed of rock stratum framework is sealed, the rock stratum framework is used for splendid attire rock stratum and soil layer.
Preferably, the mining height limiting plate is controlled to move up and down by a plurality of height control hydraulic cylinders.
Preferably, the mining height limiting plate is controlled by four height control hydraulic cylinders, the four height control hydraulic cylinders are uniformly distributed below the mining height limiting plate, and the driving end of each height control hydraulic cylinder is tightly pressed against the lower surface of each mining height limiting plate.
Preferably, the rock stratum frame further comprises a boundary frame, the boundary frame is provided with an opening which has the same size and shape with the lower opening of the rock stratum frame body, the boundary frame is detachably and fixedly arranged on the base, and the opening of the boundary frame is right opposite to the lower opening of the rock stratum frame body; two ends of each coal pillar simulation belt are respectively detachably and fixedly arranged at two opposite ends of the opening in the boundary frame to form the coal pillar simulation part.
Preferably, the coal seam simulation part is connected to the edge of the upper opening of the base in a sliding manner, the sealing plate is arranged on the upper opening of the shell and can seal the upper opening of the base, which is not corresponding to the rock stratum frame body, and the air exhaust end of the air exhaust device is communicated with the inside of the shell.
Preferably, one side of each of the two simulation plates facing the base in the coal seam simulation part is provided with an edge slide bar along the length direction of the simulation plate, the edges of the two sides of the upper opening of the base along the width direction of the simulation plate are respectively provided with an edge slide groove, and each edge slide bar can be respectively clamped in each edge slide groove in a sliding manner; two arbitrary adjacent opposite sides of simulation board are provided with one well draw runner and one well spout respectively, and adjacent well draw runner can slide joint in the spout.
Preferably, the simulation board device comprises a plurality of propelling hydraulic cylinders, each propelling hydraulic cylinder corresponds to each simulation board, the output ends of the propelling hydraulic cylinders are hinged to one ends of the simulation boards respectively, the other end of each simulation board is provided with a clamping strip along the width direction of the simulation board, a clamping groove along the width direction of the simulation board is arranged on the edge of the upper opening of the base far away from the propelling hydraulic cylinder, each clamping strip can be clamped into the clamping groove, and the bottom end of each propelling hydraulic cylinder is hinged to the base respectively.
Preferably, the rock layer frame body is a transparent frame body.
The utility model discloses for prior art gain following technological effect:
the utility model provides a coal seam mining analog simulation three-dimensional test device, wherein, the coal seam simulation part comprises a plurality of simulation boards, each simulation board is arranged side by side, and any simulation board can slide along the length direction, therefore, the staff can respectively carry out a first mining working face simulation test, an adjacent air working face simulation test and an island working face simulation test by pulling different simulation boards; in addition, the mining height of the coal seam can also influence the different migration states of overlying strata of the coal seam, therefore, the device is also provided with a mining height limiting plate, the vertical height from the upper surface of the mining height limiting plate to the upper surface of the simulation plate is regarded as the mining height of the coal seam, and the height of the mining height limiting plate can be adjusted, so that the testing device can perform simulation tests under different coal seam mining heights; the utility model provides a three-dimensional test device of coal seam exploitation simulation can satisfy and measure the coal seam exploitation analogue test under the multiple different conditions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a coal seam mining simulation modeling three-dimensional test device provided by the present invention;
fig. 2 is a schematic structural diagram of each part in a base in the coal seam mining simulation modeling three-dimensional testing device provided by the present invention;
fig. 3 is a schematic structural diagram of a base in the coal seam mining simulation modeling three-dimensional test device provided by the present invention;
fig. 4 is a schematic structural diagram of a side simulation plate in the coal seam mining simulation modeling three-dimensional testing device provided by the present invention;
fig. 5 is a schematic structural diagram of a simulation board between two edge simulation boards in the three-dimensional simulation test device for coal seam mining provided by the present invention;
fig. 6 is the schematic structural diagram of the boundary frame and the sealing plate in the coal seam mining simulation modeling three-dimensional testing device provided by the present invention.
In the figure: the device comprises a base 1, a sealing plate 2, a boundary frame 3, a coal seam simulation part 4, an air extractor 5, a rock stratum frame 6, a propelling hydraulic cylinder 7, a height control hydraulic cylinder 8, a mining height limiting plate 9, a clamping groove 10, a side sliding groove 11, a side simulation plate 12, a side simulation plate 13, a side sliding strip 14, a middle simulation plate 15, a middle sliding strip 16, a coal pillar simulation belt 17 and a pin 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a three-dimensional test device of coal seam exploitation simulation to solve the problem that prior art exists, make a test device can satisfy and measure the coal seam exploitation analogue test under the multiple different conditions.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model provides a three-dimensional test device of coal seam exploitation simulation, as shown in fig. 1 ~ 6, include: a test bed body and a mining height limiting plate 9; the test bed body is provided with a coal bed simulation part 4, and rock or soil layers are filled above the coal bed simulation part 4; the coal seam simulation part 4 comprises a plurality of simulation plates, each simulation plate is arranged side by side, no gap exists between every two adjacent simulation plates, any simulation plate can slide along the length direction of the simulation plate, the mining height limiting plate 9 is arranged in parallel to the coal seam simulation part 4 and is positioned below the coal seam simulation part 4, and the height of the mining height limiting plate 9 is adjustable;
therefore, when the simulation test is carried out, workers can respectively carry out a first mining working face simulation test, an adjacent empty working face simulation test and an island working face simulation test by drawing different simulation plate combinations; in addition, the mining height of the coal seam can also influence the change of the migration state of the overlying strata of the coal seam, therefore, the device is also provided with a mining height limiting plate 9, the vertical height from the upper surface of the mining height limiting plate 9 to the upper surface of the simulation plate is regarded as the mining height, and the height of the mining height limiting plate 9 can be adjusted, so that the testing device can perform simulation tests at different mining heights; therefore, the utility model provides a three-dimensional test device of coal seam exploitation simulation can satisfy and measure the coal seam exploitation analogue test under the multiple different conditions.
Further, when actually mining underground coal, in order to prevent that the coal seam overburden from collapsing and leaving some coal pillars to support the coal seam overburden lithosphere or soil layer, therefore, still be equipped with coal pillar simulation portion on the test bench body in this device, coal pillar simulation portion includes a plurality of coal pillar simulation areas 17, preferably three coal pillar simulation areas 17, each coal pillar simulation area 17 all can dismantle the setting, each coal pillar simulation area 17 all is on a parallel with each simulation board and all is located coal seam simulation portion 4 upper surface, simulate the migration condition of the overburden lithosphere or soil layer under different coal pillar supports through changing different coal pillar simulation area 17 combinations.
Further, the test bed body comprises a base 1 and a rock stratum frame body 6; the rock stratum frame body 6 is a cube-shaped shell, the upper part and the lower part of the rock stratum frame body 6 are both open, the lower opening of the rock stratum frame body 6 faces the base 1 and is detachably and fixedly arranged on the base 1, two simulation plates at two edges in the coal bed simulation part 4 are both connected to the base 1 in a sliding mode along the length direction of the simulation plates, any two adjacent simulation plates are connected in a sliding mode along the length direction of the simulation plates, the lower opening of the rock stratum frame body 6 can be sealed by sliding each simulation plate, a roof plate is poured in the rock stratum frame body 6 in a layered mode from bottom to top after the roof plate is sealed, an overlying rock stratum and a surface soil layer are covered with the roof plate, and similar simulation tests can be conducted after the roof plate is aired for a period of time; in addition, similar simulants have poor cementation and are generally prepared by mixing river sand, gypsum and lime according to the weight ratio of 16: 1: 1 mass ratio, adding 8 percent of water by dry weight, stirring to form bulk tamping, and the cementing property is poor, so that the drawing of the simulation board can not be influenced even if the simulation board is directly poured on the simulation board in the subsequent test.
Further, the mining height limiting plate 9 is controlled to move up and down by a plurality of height control hydraulic cylinders 8.
Furthermore, the mining height limiting plate 9 is controlled by four height control hydraulic cylinders 8, the four height control hydraulic cylinders 8 are uniformly distributed below the mining height limiting plate 9, the driving ends of the height control hydraulic cylinders 8 are tightly pressed against the lower surface of each mining height limiting plate 9, and the height control hydraulic cylinders 8 synchronously control the vertical movement of the mining height limiting plate 9 to prevent the mining height limiting plate 9 from inclining to influence the subsequent test.
Further, the rock stratum frame body structure further comprises a boundary frame 3, the boundary frame 3 is provided with an opening which is the same as the lower opening of the rock stratum frame body 6 in size and shape, the boundary frame 3 is detachably and fixedly arranged on the base 1, and the opening of the boundary frame 3 is right opposite to the lower opening of the rock stratum frame body 6; two ends of each coal pillar simulation belt 17 are respectively detachably and fixedly arranged at two opposite ends of the opening in the boundary frame 3 to form a coal pillar simulation part, each coal pillar simulation belt 17 is preferably a steel belt, two ends of each coal pillar simulation belt 17 are respectively fixed on the boundary frame 3 through two pins 18, the thickness of the steel belt is as thin as possible, and the rigidity of the steel belt needs to be ensured to be good while the steel belt is thin.
Further, in order to perform a roof fracture test, the device further comprises an air extractor 5 and a sealing plate 2, the base 1 is a shell with an upper opening, a lower opening of the rock stratum frame body 6 is arranged corresponding to the upper opening of the base 1, the coal seam simulation part 4 is connected to the edge of the upper opening of the base 1 in a sliding manner, the sealing plate 2 is arranged on the upper opening of the shell and can seal the upper opening of the part of the base 1 not corresponding to the rock stratum frame body 6, the sealing plate 2 and the boundary frame 3 are arranged integrally, an air extraction end of the air extractor 5 is communicated with the inside of the shell, when the roof fracture test is performed, only a roof plate layer needs to be poured in the rock stratum frame body 6, in order to enhance the sealing effect, a worker can lay a layer of sealing transparent film on the poured roof plate, after the roof plate is poured and sealed, the air in the base 1 is extracted by opening the air extractor 5, so that the inside of the base 1 is in a negative pressure state, and the lower opening of the rock stratum frame body 6 is communicated with the inside of the base 1, therefore, when negative pressure exists in the base 1, the top plate in the rock stratum frame body 6 can be attracted downwards, the attraction can be uniformly acted on the top plate, the top plate is enabled to be broken, compared with the traditional method of directly adopting a hydraulic cylinder to act on the top plate, the device adopts the method of negative pressure loading action force to enable the top plate to be stressed uniformly, and the stress condition of the top plate in an actual stratum is met, therefore, the simulation test performed by adopting the technical scheme of the application is more real, and the reliability of the test result is higher.
Furthermore, two simulation plates on two sides in the coal seam simulation part 4 are side simulation plates 12, the rest simulation plates between the two side simulation plates 12 are middle simulation plates 15, one side of each side simulation plate 12 facing the base 1 is provided with a side slide bar 14 along the length direction of the simulation plate, the edges of two sides of the upper opening of the base 1 along the width direction of the simulation plates are respectively provided with a side slide groove 11, and each side slide bar 14 can be respectively clamped in each side slide groove 11 in a sliding manner; two opposite sides of any two adjacent simulation boards are respectively provided with a middle sliding strip 16 and a middle sliding groove, and the adjacent middle sliding strips 16 can be clamped in the middle sliding grooves in a sliding manner.
Further, including a plurality of propulsion hydraulic cylinders 7, each propulsion hydraulic cylinder 7 all is located base 1, each propulsion hydraulic cylinder 7 respectively corresponds to each simulation board, the output of a plurality of propulsion hydraulic cylinders 7 articulates respectively in the one end of a plurality of simulation boards, the other end of each simulation board all is provided with one along the card strip 13 of simulation board width direction, be provided with one along simulation board width direction's draw-in groove 10 on the border that propulsion hydraulic cylinder 7 was kept away from to the upper shed of base 1, each card strip 13 all can block into in draw-in groove 10, the structural strength of reinforcing coal seam simulation portion 4, the bottom of each propulsion hydraulic cylinder 7 articulates respectively on base 1.
Furthermore, the rock stratum frame body 6 is a transparent frame body, and is convenient for a worker to observe and record the migration condition of the overlying rock stratum and the soil layer during the test.
The operation steps of the test carried out by using the device are as follows:
first-mining working face full-stratum simulation experiment
1. Adjusting the height of the mining height limiting plate to enable the vertical height of the upper surface of the mining height limiting plate and the upper surface of the coal seam flashboard to be the simulated mining height;
2. pushing the simulation plate to the forefront, and completely sealing the lower opening of the rock stratum frame body;
3. sequentially pouring a top plate, an overlying rock stratum and a surface soil layer in a layering manner from top to bottom according to the general engineering geological profile;
4. according to the requirements of a simulation experiment, taking a plurality of simulation plates as a middle simulation plate set, and synchronously and slowly withdrawing the middle simulation plate set;
5. and observing the deformation conditions of the top plate, the overburden and the earth surface in the rock stratum box body.
Full-stratum simulation experiment of second and adjacent empty working faces
1. Adjusting the height of the mining height limiting plate to enable the vertical height of the upper surface of the mining height limiting plate and the upper surface of the coal seam flashboard to be the simulated mining height;
2. pushing the simulated coal seam spile to the forefront, and completely sealing the lower opening of the rock stratum frame body;
3. fixing the coal pillar simulation belt in the middle on a pin port of the boundary frame by using a pin;
4. according to the engineering geological profile, a top plate, an overlying rock stratum and a topsoil layer are poured in a layering mode;
5. sequentially dividing each simulation plate in the coal seam simulation part into three groups, and withdrawing the simulation plate group on one side;
6. waiting for the overburden to be stable;
7. synchronously and slowly withdrawing the simulation board set on the other side;
8. and observing the deformation conditions of the top plate, the overburden and the earth surface in the rock stratum box body.
Three, island working face full-stratum simulation experiment
1. Adjusting the height of the mining height limiting plate to enable the vertical height of the upper surface of the mining height limiting plate and the upper surface of the coal seam flashboard to be the simulated mining height;
2. pushing the simulated coal seam spile to the forefront, and completely sealing the lower opening of the rock stratum frame body;
3. fixing the coal pillar simulation belts at two sides on a pin port of the boundary frame by using pins;
4. according to the engineering geological profile, a top plate, an overlying rock stratum and a topsoil layer are poured in a layering mode;
5. sequentially dividing each simulation plate in the coal seam simulation part into three groups, and withdrawing the simulation plate groups on two sides;
6. waiting for the overburden to be stable;
7. synchronously and slowly withdrawing the middle simulation plate group;
8. and observing the deformation conditions of the top plate, the overburden and the earth surface in the rock stratum box body.
Working face top plate fracture simulation experiment
1. Adjusting the height of the mining height limiting plate to enable the vertical height of the upper surface of the mining height limiting plate and the upper surface of the coal seam flashboard to be the simulated mining height;
2. pushing the simulated coal seam spile to the forefront, and completely sealing the lower opening of the rock stratum frame body;
3. pouring the top plate layer by layer according to the engineering geological profile;
4. setting boundary conditions according to simulation experiment requirements, and adjusting the number and the positions of the coal pillar simulation zones on the boundary frame;
5. a transparent film is sealed above the top plate, an air extractor in the base is opened, and negative pressure is utilized to apply uniform load to the top plate;
7. synchronously and slowly withdrawing the corresponding coal seam plugboards;
8. and observing the deformation condition of the top plate in the rock stratum box body.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a three-dimensional test device of coal seam exploitation analog simulation which characterized in that: the method comprises the following steps: the test bed comprises a test bed body and a mining height limiting plate; the test bed body is provided with a coal bed simulation part, and rock or soil layers are filled above the coal bed simulation part; the coal seam simulation part comprises a plurality of simulation plates, each simulation plate is arranged side by side, a gap does not exist between every two adjacent simulation plates, any simulation plate can slide along the length direction of the simulation plate, the mining height limiting plate is parallel to the coal seam simulation part and is arranged below the coal seam simulation part, and the height of the mining height limiting plate can be adjusted.
2. The coal seam mining simulation modeling three-dimensional test device of claim 1, characterized in that: the coal pillar simulation device is characterized in that a coal pillar simulation part is further arranged on the test bed body and comprises a plurality of coal pillar simulation belts, each coal pillar simulation belt can be detachably arranged, and each coal pillar simulation belt is parallel to each simulation plate and is located on the upper surface of the coal seam simulation part.
3. The coal seam mining simulation modeling three-dimensional test device of claim 2, characterized in that: the test bed body comprises a base and a rock stratum frame body; the rock stratum framework is a cube-shaped shell, the upper and lower of rock stratum framework is all open to be set up, the under shed orientation of rock stratum framework the base can be dismantled fixedly set up in on the base, two at the both edges in the coal seam simulation portion the analog board all follows the length direction sliding connection of analog board in on the base, arbitrary adjacent two the analog board all follows its length direction sliding connection, and slides respectively the analog board can with the under shed of rock stratum framework is sealed, the rock stratum framework is used for splendid attire rock stratum and soil layer.
4. The coal seam mining simulation modeling three-dimensional test device of claim 1, characterized in that: the mining height limiting plate is controlled to move up and down through a plurality of height control hydraulic cylinders.
5. The coal seam mining simulation modeling three-dimensional test device of claim 4, characterized in that: the mining height limiting plates are controlled by four height control hydraulic cylinders which are uniformly distributed below the mining height limiting plates, and the driving ends of the height control hydraulic cylinders are tightly propped against the lower surfaces of the mining height limiting plates.
6. The coal seam mining simulation modeling three-dimensional test device of claim 3, characterized in that: the boundary frame is provided with an opening which has the same size and shape with the lower opening of the rock stratum frame body, the boundary frame is detachably and fixedly arranged on the base, and the opening of the boundary frame is right opposite to the lower opening of the rock stratum frame body; two ends of each coal pillar simulation belt are respectively detachably and fixedly arranged at two opposite ends of the opening in the boundary frame to form the coal pillar simulation part.
7. The coal seam mining simulation modeling three-dimensional test device of claim 3, characterized in that: the coal seam simulation part is connected to the edge of the upper opening of the base in a sliding manner, the sealing plate is arranged on the upper opening of the shell and can seal the upper opening of the part of the base, which is not corresponding to the rock stratum frame body, of the base, and the air exhaust end of the air exhaust device is communicated with the inside of the shell.
8. The coal seam mining simulation modeling three-dimensional test device of claim 3, characterized in that: the edges of one outward side of two simulation plates on two sides in the coal seam simulation part are respectively provided with an edge sliding strip along the length direction of the simulation plates, the edges of the upper opening of the base along two sides in the width direction of the simulation plates are respectively provided with an edge sliding groove, and each edge sliding strip can be respectively clamped in each edge sliding groove in a sliding manner; the edge of two opposite sides of any two adjacent simulation boards is respectively provided with a middle sliding strip and a middle sliding groove, and the adjacent middle sliding strips can be clamped in the middle sliding grooves in a sliding manner.
9. The coal seam mining simulation modeling three-dimensional test device of claim 3, characterized in that: the device comprises a plurality of propelling hydraulic cylinders, wherein each propelling hydraulic cylinder corresponds to each simulation board, the output ends of the propelling hydraulic cylinders are hinged to one ends of the simulation boards respectively, the other ends of the simulation boards are provided with clamping strips along the width direction of the simulation boards, a clamping groove along the width direction of the simulation boards is formed in the edge, away from the propelling hydraulic cylinders, of an upper opening of a base, each clamping strip can be clamped into the clamping groove, and the bottom ends of the propelling hydraulic cylinders are hinged to the base respectively.
10. The coal seam mining simulation modeling three-dimensional test device of claim 3, characterized in that: the rock stratum frame body is a transparent frame body.
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| CN202022683825.1U CN213780082U (en) | 2020-11-19 | 2020-11-19 | Coal seam mining simulation modeling three-dimensional test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114241877A (en) * | 2021-12-27 | 2022-03-25 | 西南石油大学 | Adjustable oil gas geological research simulation device |
| CN114994287A (en) * | 2022-08-04 | 2022-09-02 | 中国矿业大学(北京) | Three-dimensional physical model coal bed automatic mining device and test method |
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2020
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114241877A (en) * | 2021-12-27 | 2022-03-25 | 西南石油大学 | Adjustable oil gas geological research simulation device |
| CN114241877B (en) * | 2021-12-27 | 2024-03-15 | 西南石油大学 | Adjustable oil-gas geology research simulator |
| CN114994287A (en) * | 2022-08-04 | 2022-09-02 | 中国矿业大学(北京) | Three-dimensional physical model coal bed automatic mining device and test method |
| CN114994287B (en) * | 2022-08-04 | 2023-04-18 | 中国矿业大学(北京) | Test method of three-dimensional physical model coal bed automatic mining device |
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