CN113863982A - Large-scale real three-dimensional old air disaster simulation experiment device that permeates water - Google Patents
Large-scale real three-dimensional old air disaster simulation experiment device that permeates water Download PDFInfo
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- CN113863982A CN113863982A CN202111032468.5A CN202111032468A CN113863982A CN 113863982 A CN113863982 A CN 113863982A CN 202111032468 A CN202111032468 A CN 202111032468A CN 113863982 A CN113863982 A CN 113863982A
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- 238000004088 simulation Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 42
- 239000012466 permeate Substances 0.000 title description 2
- 238000002474 experimental method Methods 0.000 claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims abstract description 41
- 230000005484 gravity Effects 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 description 10
- 238000012795 verification Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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Abstract
The invention discloses a large-scale real three-dimensional old air permeable disaster simulation experiment device which is provided with an experiment platform, wherein a loading mechanism is fixedly arranged on the experiment platform; an experimental model is arranged in the loading mechanism, a loading assembly is fixedly arranged on the surface of the experimental model, a displacement sensor is arranged at the end part of the loading assembly, and a gravity sensor is arranged between the loading assembly and the experimental model in a jacking mode; the experiment platform drives the loading mechanism to simulate the inclination angle of the stratum. Through the displacement sensor of installation, whether the displacement and the displacement change take place for the experimental model when the hydro-cylinder applys pressure to the experimental model can real-time supervision be coordinated with external equipment, when taking place the displacement change, pressure data when obtaining the production displacement through gravity sensor realizes that large-scale real three-dimensional sky accident of permeating water reappears the simulation, provides the scientific foundation for the analysis and appraisal of the accident of permeating water of sky.
Description
Technical Field
The invention relates to the technical field of mine water prevention and control, in particular to a large-scale real three-dimensional old air permeable disaster simulation experiment device.
Background
Mine hydrogeological conditions are complex, and mineral resources, particularly coal resources, are seriously threatened and restricted by water damage for a long time. Along with the extension of coal resource exploitation to the deep and the shift of development center of gravity to the west, the exploitation condition and water disaster type are more complicated and various, but the existing mine water disaster mechanism simulation experiment platform for mines adopts a fixed hinge point rotation mode, and the simulation experiment data is single, so that the simulation experiment of complicated and various terrains cannot be satisfied. The simulation experiment platform for mine water disaster mechanism is mostly concentrated on the aspect of water inrush from the bottom plate at home and abroad, and the relatively mature simulation experiment platform for water inrush from the bottom plate has the capabilities of analyzing the water inrush mechanism from the bottom plate and reproducing the simulation verification in the water inrush process from the bottom plate, and has the maximum similarity ratio of 1: 50, the maximum model size is 2m in diameter and 2m in height, air bag surrounding rock loading is adopted, but an old air water penetration mechanism simulation experiment platform is lacked, and the old air water penetration mechanism and a bottom plate water penetration mechanism are essentially different, so that the existing bottom plate water penetration simulation experiment platform is not suitable for simulation verification of the old air water penetration accident, a set of old air water penetration true three-dimensional simulation experiment platform meeting the depth within 1000m needs to be developed, and a test platform is provided for researching mine old air water penetration mechanism analysis and accident identification simulation reproduction verification.
Disclosure of Invention
The invention aims to provide a large true three-dimensional old air permeable disaster simulation experiment device, which aims to solve the problems that the existing experiment platform for simulating mine water damage mechanism adopts a fixed hinge point rotation mode, the simulation experiment data is single, and the simulation experiment of complex and various terrains cannot be satisfied. The simulation experiment platform for the mine water disaster mechanism mostly focuses on the aspect of bottom plate water inrush, the mature bottom plate water inrush simulation experiment platform has the capabilities of analyzing the bottom plate water inrush mechanism and reproducing the simulation verification of the bottom plate water inrush process, but lacks the old air water inrush mechanism simulation experiment platform, and because the old air water inrush mechanism and the bottom plate water inrush mechanism have essential differences, the existing bottom plate water inrush simulation experiment platform is inapplicable to the simulation verification of the old air water inrush accident.
In order to achieve the purpose, the invention provides the following technical scheme:
a large-scale real three-dimensional old air permeable disaster simulation experiment device is provided with an experiment platform, wherein a loading mechanism is fixedly arranged on the experiment platform; an experimental model is arranged in the loading mechanism, a loading assembly is fixedly arranged on the surface of the experimental model, a displacement sensor is arranged at the end part of the loading assembly, and a gravity sensor is arranged between the loading assembly and the experimental model in a jacking mode; the experiment platform drives the loading mechanism to simulate the inclination angle of the stratum.
Optionally, the experimental model is a hollow cavity structure with at least one plane; a loading assembly is arranged on the plane and consists of a plurality of loading units, a displacement sensor is arranged at the end part of each loading unit, and a gravity sensor is arranged between each loading unit and the plane in a jacking mode; the loading unit is of an oil cylinder structure.
Optionally, the experimental model is a planar three-dimensional structure with six faces, and at least one face is provided with a loading assembly; the loading assembly consists of nine loading units, a displacement sensor is arranged at the end part of each loading unit, and a gravity sensor is arranged between each loading unit and the plane in a jacking mode; the loading unit is of an oil cylinder structure.
Optionally, the loading assembly includes a loading unit, an oil pipe, a hydraulic valve group and a connecting block; the outer wall of the loading unit is fixedly provided with a connecting block, and the connecting block is communicated with an oil pipe and a hydraulic valve group.
Optionally, the loading unit is of an oil cylinder structure, and a displacement sensor is arranged at the top end of the loading unit in a penetrating manner; an oil cylinder piston is arranged in the loading unit, a connecting screw rod is arranged at the bottom of the oil cylinder piston, and a transfer plate, a gravity sensor, a connecting plate and a loading plate are sequentially stacked on the connecting screw rod.
Optionally, the experiment platform is provided with a platform body frame, the platform body frame is symmetrically provided with two supporting plates, the tops of the two supporting plates are slidably suspended with the mounting platform, and the mounting platform realizes sliding adjustment of an inclination angle relative to the supporting plates through the adjusting assembly and the supporting assembly; the loading mechanism is fixedly arranged on the mounting platform.
Optionally, an adjusting plate is arranged below the mounting platform and corresponds to the supporting plate; the adjusting component comprises a motor fixedly arranged outside the supporting plate, the output end of the motor is fixedly connected with a rotating rod penetrating through the supporting plate, the output end of the rotating rod far away from the motor is fixedly connected with a first gear, and the first gear is meshed with a second gear; the second gear is fixedly arranged on the adjusting plate.
Optionally, the lower edge of the adjusting plate is arc-shaped, the side wall of the supporting plate is provided with an arc-shaped adjusting groove, an auxiliary roller is arranged in the adjusting groove and is connected with the adjusting plate in a rolling manner, and the auxiliary roller is rotatably connected with the adjusting plate.
Optionally, the maximum rotation angle between the first gear and the second gear is 32 °.
Optionally, the support assembly includes an auxiliary plate disposed on the table frame, the auxiliary plate is fixedly provided with a support block, and the support block is provided with an auxiliary wheel; the auxiliary wheel is clamped with the lower edge of the adjusting plate.
The loading mechanism can monitor whether the experimental model is displaced and the displacement change of the experimental model when the oil cylinder applies pressure to the experimental model in real time by the aid of the displacement sensor which is installed and matched with external equipment, and when the displacement change occurs, pressure data generated during displacement is obtained by the aid of the gravity sensor, so that data support is provided for later coal mining or rock stratum strength detection work, and working efficiency and accuracy are improved; the experiment platform can provide stable support for the loading mechanism, and simultaneously, the adjustment of the inclination angle is conveniently carried out.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic view of the overall structure of a large-scale true three-dimensional atmospheric water-permeable disaster simulation experiment device according to the present invention;
FIG. 2 is a perspective view of the loading mechanism of the present invention;
FIG. 3 is a schematic structural diagram of a single loading assembly of FIG. 2;
FIG. 4 is a longitudinal cross-sectional view of FIG. 3;
FIG. 5 is a perspective view of the experimental platform structure of the present invention;
FIG. 6 is an enlarged view of the adjustment mechanism and support mechanism of FIG. 5;
fig. 7 is an enlarged view of the support mechanism of fig. 5.
In the figure: 1-loading mechanism, 11-operation table, 12-installation groove, 13-experiment model, 131-experiment table, 14-loading component, 141-loading unit, 1411-displacement sensor, 1412-oil cylinder piston, 1413-connecting plate, 1414-loading plate, 1415-connecting screw, 1416-gravity sensor, 1417-adapter plate, 142-oil pipe, 143-hydraulic valve group and 144-connecting block;
2-experiment platform, 21-table body frame, 211-supporting plate, 212-mounting platform, 2121-adjusting plate, 2122-adjusting groove, 22-adjusting component, 221-motor, 222-first flange, 223-speed reducer, 224-auxiliary roller, 225-first gear, 226-second gear, 227-second flange, 228-rotating rod, 23-supporting component, 231-supporting block, 232-auxiliary wheel, 233-auxiliary plate, 234-auxiliary block, 235-auxiliary sheet and 236-L-shaped gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1, the large-scale true three-dimensional old air permeable disaster simulation experiment device of the invention is provided with an experiment platform 2, and a loading mechanism 1 is fixedly arranged on the experiment platform 2; the loading mechanism 1 is provided with an experimental model 13, a loading component 14 is fixedly arranged on the surface of the experimental model 13, the end part of the loading component 14 is provided with a displacement sensor 1411, and a gravity sensor 1416 is arranged between the loading component 14 and the experimental model 13 in a propping manner; the experiment platform 2 drives the loading mechanism 1 to simulate the inclination angle of the stratum. When using, through the displacement sensor 1411 of installation on loading subassembly 14, displacement sensor 1411 cooperates with external equipment and can real-time supervision test model 13 whether takes place displacement and displacement change when loading subassembly 14 applys pressure to test model 13, when taking place the displacement change, pressure data when obtaining the production displacement through gravity sensor 1416, for later stage coal mining or rock stratum intensity detection work provide data support, improve work efficiency and rate of accuracy, simultaneously, can be stable carry out the analog control at stratum inclination through the setting of experiment platform 2.
Referring to fig. 2-4, the loading mechanism 1 of the present invention includes an operation platform 11, a mounting groove 12 is formed at the bottom of the operation platform 11, an experimental model 13 is placed on the upper end surface of the operation platform 11, the experimental model 13 is a rock stratum below the ground surface by 1000 meters, and the experimental model 13 is in a block shape. The experimental model 13 is a hollow cavity structure with at least one plane; a loading assembly 14 is arranged on a plane, the loading assembly 14 is composed of a plurality of loading units 141, a displacement sensor 1411 is arranged at the end part of each loading unit 141, and a gravity sensor 1416 is arranged between each loading unit 141 and the plane in a propping mode; the loading unit 141 is a cylinder structure.
In the embodiment of the present disclosure, specifically, the experimental model 13 is a planar three-dimensional structure with six faces, and at least one face is provided with the loading assembly 14; the loading assembly 14 is composed of nine loading units 141, a displacement sensor 1411 is arranged at the end of each loading unit 141, and a gravity sensor 1416 is arranged between each loading unit 141 and the plane; the loading unit 141 is a cylinder structure. The six loading assemblies 14 are arranged on the six faces of the experimental model respectively, and the loading assemblies 14 are arranged on the six faces of the experimental model respectively, so that the comprehensiveness of experimental data can be effectively guaranteed, and the experimental simulation data are more real.
In the embodiment of the present disclosure, the loading assembly 14 includes a loading unit 141, an oil pipe 142, a hydraulic valve block 143, and a connection block 144; the outer wall of the loading unit 141 is fixedly provided with a connecting block 144, and the connecting block 144 is communicated with an oil pipe 142 and a hydraulic valve group 143. Be provided with loading assembly 14 on operation panel 11, loading assembly 14 includes the experiment model 13 of fixing on operation panel 11 surface through fixing bolt, it has seted up the mounting hole to be located experiment model 13 on the surface, it is provided with loading unit 141 to be located the mounting hole, and be located fixedly connected with flange on the loading unit 141 outer wall, and flange cooperation fixing bolt fixes on experiment model 13 surface, it has connecting block 144 to be located fixedly connected with on the loading unit 141 outer wall, the intercommunication has oil pipe 142 on the connecting block 144, and the one end intercommunication that connecting block 144 was kept away from to oil pipe 142 has hydraulic valve group 143, and hydraulic valve group 143 fixed connection is on experiment model 13 surface, it has seted up the connecting hole to be located loading unit 141 upper end surface, and install displacement sensor 1411 in the connecting hole, preferably magnetic displacement sensor.
In the embodiment of the present disclosure, the loading unit 141 is an oil cylinder structure, and the top end of the loading unit 141 penetrates through the displacement sensor 1411; an oil cylinder piston 1412 is arranged in the loading unit (141), a connecting screw 1415 is arranged at the bottom of the oil cylinder piston 1412, and an adapter plate 1417, a gravity sensor 1416, a connecting plate 143 and a loading plate 1414 are sequentially stacked on the connecting screw 1415. A connecting screw 1415 is fixedly connected to the bottom of the loading unit 141, a connecting plate 1413 is screwed to one end of the connecting screw 1415, which is far away from the loading unit 141, a loading plate 1414 is abutted to one end of the connecting plate 1413, which is far away from the connecting screw 1415, the loading plate 1414 abuts against the experimental model, an adapter plate 1417 is sleeved on the outer wall of the connecting screw 1415, and a gravity sensor 1416 matched with the adapter plate 1417 is installed on the surface of the upper end of the connecting plate 1413. In the embodiment of the invention, when the device is used, the loading unit 141 drives the connecting screw 1415 to be matched with the connecting plate 1413 and the loading plate 1414 to apply pressure to an experimental model, the adapter plate 1417 is matched with the connecting plate 1413 to extrude the gravity sensor 1416, the adapter plate is connected with the gravity sensor 1416 through an external device, a pressure value of the loading unit 141 to extrude the experimental model can be obtained, a worker can obtain different data through pressurizing and decompressing the loading unit 141, a pressure critical value of the experimental model is calculated according to the damage degree of the experimental model, a data basis is provided for later actual needs, the pressure of the loading unit 141 to the gravity sensor 1416 can be reduced through the arrangement of the adapter plate 1417, the gravity sensor 1416 is prevented from being damaged, and the working efficiency of the gravity sensor 1416 is ensured.
The working principle is as follows: for the invention, when in use, firstly, a worker places an experimental model on the surface of the operating platform 11, installs the loading unit 141 on the surface of the experimental model 13 through the mounting hole, fixes the loading unit 141 on the surface of the experimental model 13 through a flange and a fixing bolt, then starts the loading unit 141, presses the loading unit 141 through the oil pipe 142 and the connecting block 144, based on the piston pressing principle of the loading unit 141, the loading unit 141 applies pressure to the connecting plate 1413 through the connecting screw 1415, the connecting plate 1413 applies pressure to the experimental model through the loading plate 1414 again, after the loading work of the loading unit 141 is completed, the worker presumes the basic hardness of the experimental model by observing the damage degree of the experimental model, wherein the gravity sensor 1416 matched with the adapter plate 1417 is installed on the upper end surface of the connecting plate 1413, and when the loading unit 141 performs the pressurizing work, the adapter plate 1417 is matched with the connecting plate 1413 to extrude the gravity sensor 1416, the adapter plate is connected with the gravity sensor 1416 through an external device, the pressure of the loading unit 141 can be monitored in real time through the gravity sensor 1416, pressure data are provided for an experiment, the pressure of the loading unit 141 on the gravity sensor 1416 can be reduced through the arrangement of the adapter plate 1417, the working efficiency of the gravity sensor 1416 is guaranteed, finally, the displacement sensor 1411 is installed on the upper end surface of the loading unit 141 through the connecting hole 213, the displacement sensor 1411 can monitor whether the experiment model is displaced and the displacement change of the experiment model when the loading unit 141 applies pressure to the experiment model in real time, the displacement sensor 1411 is matched with an external device to provide data for the experiment, the stress of active loading of a system can be measured in the experiment process, and the passive loading stress field of the whole experiment process can also be measured.
The loading mechanism 1 solves the problems that the mine water damage mechanism simulation experiment platform is mostly concentrated on the aspect of bottom plate water inrush at home and abroad, a mature bottom plate water inrush simulation experiment platform has the capabilities of bottom plate water inrush mechanism analysis and bottom plate water inrush process reproduction simulation verification, but lacks an old air water penetration mechanism simulation experiment platform, and as the old air water penetration mechanism and the bottom plate water inrush mechanism have essential differences, the existing bottom plate water inrush simulation experiment platform is inapplicable to the simulation verification of old air water penetration accidents, firstly, the loading assemblies 14 are arranged on six surfaces of an experiment model 13, and compared with the traditional three-surface loading assembly, the comprehensiveness of experiment data can be effectively ensured, so that the experiment simulation data are more real; secondly, by uniformly arranging nine loading points, namely the loading units 141, on each surface, different stresses can be applied in the vertical direction, and meanwhile, the ground stresses can be loaded on models with different sizes; the oil cylinder driving connecting screw rod is matched with the connecting plate and the loading plate 1414 to apply pressure to the experimental model 13, the adapter plate 1417 is matched with the connecting plate 1413 to extrude the gravity sensor 1416, the connecting plate is connected with the gravity sensor 1416 through external equipment, the pressure numerical value of the oil cylinder on the experimental model 13 can be obtained, workers can obtain different data through pressurizing and decompressing the oil cylinder, the pressure critical value of the experimental model 13 is calculated according to the damage degree of the experimental model 13, a data basis is provided for later-stage actual needs, the pressure of the oil cylinder on the gravity sensor 1416 can be reduced due to the arrangement of the adapter plate 1417, the gravity sensor 1416 is prevented from being damaged, and the working efficiency of the gravity sensor 1416 is ensured; through the displacement sensor 1411 of surface mounting on the hydro-cylinder upper end, whether displacement and the displacement change take place for the experimental model 13 when the hydro-cylinder applys pressure to experimental model 13 can real-time supervision be cooperated with external equipment to displacement sensor 1411, when taking place the displacement change, obtains pressure data when producing the displacement through gravity sensor 1416, provides data support for later stage coal mining or rock stratum intensity detection work, improves work efficiency and rate of accuracy.
Referring to fig. 5-7, the present invention provides an experimental platform 2, which is provided with a platform body frame 21, wherein the platform body frame 21 is symmetrically provided with two supporting plates 211, the tops of the two supporting plates 211 are slidably suspended with an installation platform 212, and the installation platform 212 realizes the sliding adjustment of the inclination angle relative to the supporting plates 211 through an adjusting component 22 and a supporting component 23; the loading mechanism 1 is fixed on the mounting platform 212.
In the embodiment of the present disclosure, an adjusting plate 2121 is disposed under the mounting platform 212 corresponding to the supporting plate 211; the adjusting component 22 comprises a motor 221 fixedly arranged outside the supporting plate 211, the output end of the motor 221 is fixedly connected with a rotating rod 228 penetrating through the supporting plate 211, the output end of the rotating rod 228 far away from the motor 221 is fixedly connected with a first gear 225, and the first gear 225 is meshed with a second gear 226; the second gear 226 is fixed on the adjusting plate 2121. Specifically, the adjusting assembly 22 includes a motor 221 fixedly connected to the outer wall of the supporting plate 211, a speed reducer 223 is connected to the upper end of the motor 221, a rotating rod 228 penetrating through the supporting plate 211 is fixedly connected to the output end of the motor 221, a first gear 225 is fixedly connected to one end of the rotating rod 228 away from the output end of the motor 221, a second gear 226 is meshed with the first gear 225, the maximum rotation angle between the first gear 225 and the second gear 226 is 32 °, an adjusting plate 2121 is fixedly connected to one side of the second gear 226, the adjusting plate 2121 is arc-shaped, a mounting platform 212 is fixedly connected to the upper end of the adjusting plate 2121, the length of the mounting platform 212 is smaller than the width between the two supporting plates 211, an adjusting groove 2122 is formed on the side wall of the supporting plate 211, an auxiliary roller 224 is rotatably connected to the adjusting groove 2122, a connecting rod is fixedly connected to one end of the auxiliary roller 224 close to the adjusting plate 2121, and the other end of the connecting rod is rotatably connected to the adjusting plate 2121, the outer wall of the rotating rod 228 is rotatably connected with a first flange 222 and a first flange 227, and the first flange 222 and the first flange 227 are both fixed with the support plate 211 through a fixing bolt in a threaded manner. An arc-shaped adjusting groove 2122 is formed in the supporting plate 211, when the adjusting plate 2121 rotates, the adjusting plate 2121 can drive the auxiliary roller 224 to roll in the adjusting groove 2122, the adjusting groove 2122 is matched with the auxiliary roller 224 to limit the rotation angles of the first gear 225 and the second gear 226, so that the influence on the stability of the whole device due to the excessively large rotation angles of the first gear 225 and the second gear 226 is prevented, finally, an auxiliary wheel 232 matched with the adjusting plate 2121 is arranged at the bottom of the adjusting plate 2121, the auxiliary wheel 232 is installed on the supporting block 231, the adjusting plate 2121 can drive the auxiliary wheel 232 to rotate when rotating, compared with the conventional auxiliary device, the auxiliary wheel 232 can reduce the friction force between the auxiliary wheel and the adjusting plate 2121, the energy loss is reduced, the auxiliary wheel 232 can assist in supporting the adjusting plate 2121 through the supporting block 231, and the stability of the whole device is improved.
In the embodiment of the present invention, a worker places an experimental model on the mounting platform 212, and fixes the experimental model with an external device, the worker starts the motor 221 again, the reducer 223 disposed on the motor 221 cooperates with the motor 221 to drive the rotating rod 228, the rotating rod 228 drives the first gear 225, the first gear 225 drives the adjusting plate 2121 and the mounting platform 212 to rotate by engaging the second gear 226, wherein the maximum rotation angle between the first gear 225 and the second gear 226 is 32 °, and the supporting plate 211 is provided with the adjusting groove 2122, when the adjusting plate 2121 rotates, the adjusting plate 224 is driven to roll in the adjusting groove 2122, and the adjusting groove 2122 cooperates with the auxiliary roller 224 to limit the rotation angle between the first gear 225 and the second gear 226, so as to prevent the rotation angle between the first gear 225 and the second gear 226 from being too large to affect the stability of the mounting platform 212.
In the embodiment of the present disclosure, the supporting component 23 includes an auxiliary plate 233 disposed on the table body frame 21, a supporting block 231 is fixedly disposed on the auxiliary plate 233, and an auxiliary wheel 232 is mounted on the supporting block 231; the auxiliary wheel 232 is engaged with the lower edge of the adjusting plate 2121. Specifically, the supporting component 23 includes an auxiliary plate 233 screwed on the upper end surface of the table frame 21 by a matching fixing bolt, a supporting block 231 is fixedly connected to the upper end surface of the auxiliary plate 233, an auxiliary block 234 is fixed to the upper end surface of the supporting block 231 by a matching fixing bolt, an auxiliary wheel 232 matched with the auxiliary plate 233 is installed at the upper end of the auxiliary block 234, an L-shaped gasket 236 is fixedly connected to the surface of the table frame 21, a pin is arranged on the L-shaped gasket 236 in a penetrating manner, an auxiliary piece 235 is fixedly connected to one end of the pin far away from the L-shaped gasket 236, and the auxiliary piece 235 is fixedly connected to the outer wall of the supporting block 231.
In the embodiment of the present invention, the bottom of the adjusting plate 2121 is provided with the auxiliary wheel 232 matched with the adjusting plate 2121, the auxiliary wheel 232 is installed on the supporting block 231, and the adjusting plate 2121 rotates to drive the auxiliary wheel 232 to rotate, compared with the conventional auxiliary device, the auxiliary wheel 232 can reduce the friction force between itself and the adjusting plate 2121, and reduce the energy consumption, the auxiliary wheel 232 further performs auxiliary support on the adjusting plate 2121 through the supporting block 231, so as to improve the overall stability, and the pin is matched with the auxiliary piece 235 to further increase the stability between the L-shaped gasket 236 and the supporting block 231 by rotating the pin on the L-shaped gasket 236.
The working principle is as follows: for the present invention, when in specific use, firstly, a worker places the experimental model on the mounting platform 212, and then fixes the experimental model with an external device, the worker starts the motor 221 again, the reducer 223 arranged on the motor 221 drives the rotating rod 228 in cooperation with the motor 221, the rotating rod 228 drives the first gear 225, the first gear 225 drives the adjusting plate 2121 and the mounting platform 212 to rotate by engaging the second gear 226, wherein the maximum rotation angle between the first gear 225 and the second gear 226 is 32 °, and the supporting plate 211 is provided with an adjusting groove 2122, when the adjusting plate 2121 rotates, the auxiliary roller 224 is driven to roll in the adjusting groove 2122, the adjusting groove 2122 cooperates with the auxiliary roller 224 to limit the rotation angles of the first gear 225 and the second gear 226, so as to prevent the rotation angles of the first gear 225 and the second gear 226 from being too large, thereby affecting the stability of the mounting platform 212, and finally, the bottom of the adjusting plate 2121 is provided with the auxiliary wheel 232 cooperating with the adjusting plate 2121, auxiliary wheel 232 installs on supporting shoe 231, regulating plate 2121 can drive auxiliary wheel 232 and rotate when carrying out rotation work, compare traditional auxiliary device, auxiliary wheel 232 self can reduce and the regulating plate 2121 between the frictional force, reduce energy loss, auxiliary wheel 232 rethread supporting shoe 231 carries out the auxiliary stay to regulating plate 2121, improve mounting platform 212's stability, through rotating pin 303 on the L type gasket 236, pin 303 cooperates auxiliary piece 235 to further increase the stability between L type gasket 236 and the supporting shoe 231.
The experiment platform 2 solves the problems that the existing experiment platform for simulating the mine water disaster mechanism adopts a fixed hinge point rotating mode, the center of gravity can shift and lift when rotating, the laying of the large model with large inclination angle is limited by safety, the simulation experiment data is single, the simulation experiment of complex and various terrains can not be satisfied, when specifically using, according to experiment simulation stratum inclination demand, at first staff starter motor 221, the speed reducer 223 that sets up on the motor 221 can cooperate motor 221 drive dwang 228, dwang 228 drive first gear 225, first gear 225 drives mounting platform 212 through meshing second gear 226 and rotates, when rotating experiment simulation stratum angle, staff installation experiment model 13, treat that experiment model 13 finishes the installation, the staff turns back horizontal position with mounting platform 212, prepare the experiment.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A large-scale real three-dimensional old air water-permeable disaster simulation experiment device is characterized in that an experiment platform (2) is arranged, and a loading mechanism (1) is fixedly arranged on the experiment platform (2);
the loading mechanism (1) is provided with an experimental model (13), a loading assembly (14) is fixedly arranged on the surface of the experimental model (13), a displacement sensor (1411) is arranged at the end part of the loading assembly (14), and a gravity sensor (1416) is arranged between the loading assembly (14) and the experimental model (13);
the experiment platform (2) drives the loading mechanism (1) to simulate the inclination angle of the stratum.
2. The large-scale real three-dimensional old air permeable disaster simulation experiment device according to claim 1, wherein the experiment model (13) is a cavity structure with at least one plane;
a loading assembly (14) is arranged on the plane, the loading assembly (14) consists of a plurality of loading units (141), a displacement sensor (1411) is arranged at the end part of each loading unit (141), and a gravity sensor (1416) is arranged between each loading unit (141) and the plane in a propping manner; the loading unit (141) is of an oil cylinder structure.
3. The large-scale real three-dimensional old air permeable disaster simulation experiment device according to claim 1, wherein the experiment model (13) is a plane three-dimensional structure with six surfaces, and a loading assembly (14) is arranged on at least one surface;
the loading assembly (14) consists of nine loading units (141), a displacement sensor (1411) is arranged at the end part of each loading unit (141), and a gravity sensor (1416) is arranged between each loading unit (141) and the plane in a propping manner; the loading unit (141) is of an oil cylinder structure.
4. The large-scale real three-dimensional old air water-permeable disaster simulation experiment device according to claim 2 or 3, wherein the loading assembly (14) comprises a loading unit (141), an oil pipe (142), a hydraulic valve bank (143) and a connecting block (144);
the outer wall of the loading unit (141) is fixedly provided with a connecting block (144), and the connecting block (144) is communicated with an oil pipe (142) and a hydraulic valve group (143).
5. The large-scale real three-dimensional old air water-permeable disaster simulation experiment device according to claim 2 or 3, wherein the loading unit (141) is of an oil cylinder structure, and a displacement sensor (1411) is arranged at the top end of the loading unit (141);
an oil cylinder piston (1412) is arranged in the loading unit (141), a connecting screw rod (1415) is arranged at the bottom of the oil cylinder piston (1412), and an adapter plate (1417), a gravity sensor (1416), a connecting plate (143) and a loading plate (1414) are sequentially stacked on the connecting screw rod (1415).
6. The large-scale real three-dimensional old air water-permeable disaster simulation experiment device according to claim 1, 2 or 3, wherein the experiment platform (2) is provided with a platform body frame (21), the platform body frame (21) is symmetrically provided with two support plates (211), the tops of the two support plates (211) are slidably suspended with an installation platform (212), and the installation platform (212) is slidably adjusted relative to the inclination angle of the support plates (211) through an adjusting component (22) and a supporting component (23);
the loading mechanism (1) is fixedly arranged on the mounting platform (212).
7. The large-scale real three-dimensional old air water-permeable disaster simulation experiment device according to claim 6, wherein an adjusting plate (2121) is arranged under the mounting platform (212) and corresponds to the supporting plate (211);
the adjusting assembly (22) comprises a motor (221) fixedly arranged outside the supporting plate (211), the output end of the motor (221) is fixedly connected with a rotating rod (228) penetrating through the supporting plate (211), the output end, far away from the motor (221), of the rotating rod (228) is fixedly connected with a first gear (225), and the first gear (225) is meshed with a second gear (226);
the second gear (226) is fixedly arranged on the adjusting plate (2121).
8. The large-scale real three-dimensional old air water-permeable disaster simulation experiment device according to claim 7, wherein the lower edge of the adjusting plate (2121) is arc-shaped, the side wall of the supporting plate (211) is provided with an arc-shaped adjusting groove (2122), an auxiliary roller (224) is connected in the adjusting groove (2122) in a rolling manner, and the auxiliary roller (224) is rotatably connected with the adjusting plate (2121).
9. The large-scale real three-dimensional old air permeable disaster simulation experiment device according to claim 7, wherein the maximum rotation angle between the first gear (225) and the second gear (226) is 32 °.
10. The large-scale real three-dimensional old air water-permeable disaster simulation experiment device according to claim 7, wherein the supporting component (23) comprises an auxiliary plate (233) arranged on the platform body frame (21), a supporting block (231) is fixedly arranged on the auxiliary plate (233), and an auxiliary wheel (232) is arranged on the supporting block (231);
the auxiliary wheel (232) is clamped with the lower edge of the adjusting plate (2121).
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