CN114720091B - Dam piling and breaking simulation device for tailing pond - Google Patents
Dam piling and breaking simulation device for tailing pond Download PDFInfo
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- CN114720091B CN114720091B CN202210638055.XA CN202210638055A CN114720091B CN 114720091 B CN114720091 B CN 114720091B CN 202210638055 A CN202210638055 A CN 202210638055A CN 114720091 B CN114720091 B CN 114720091B
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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Abstract
The invention relates to a dam-piling and-breaking simulation device for a tailing pond, which is used for solving the problem that a dam-piling and-breaking physical simulation device in the prior art is difficult to simulate dam-breaking of the tailing pond under various natural conditions and different working conditions. The method comprises the following steps: the system comprises an earthquake simulation system, a reservoir body simulation assembly, a rainfall simulation system and an information acquisition system, and can simulate extreme conditions such as earthquake, heavy rainfall, flood overtopping, seepage failure and the like, and situations of coupling of various disasters; through model tests and numerical research, the evolution process and the disaster forming characteristics of the tailings pond under different conditions are explored, the disaster resistance characteristics of different dam body structures are known through reconstructing different dam bodies, the influence of factors such as the reservoir capacity, the material characteristics, the structural form, the extreme conditions and the surrounding topography of the tailings pond on the disaster forming mode of the tailings pond is revealed, a theoretical basis is provided for heightening and protecting the tailings dam, and the method has important significance for researching the fine-grained high tailings pond.
Description
Technical Field
The invention relates to the technical field of mine geotechnical engineering, in particular to a dam piling and breaking simulation device for a tailing pond.
Background
The tailings pond is one of three large production facilities of metal and nonmetal mines. At present, most of 8869 tailing ponds in China reach or approach the design capacity and face the closing of the tailings ponds, so that a plurality of mine enterprises face the problem of newly building tailing ponds in the later period. However, the national emergency administration issues a working scheme for preventing and resolving the safety risk of the tailing pond in 2020 with clear requirements: since 2020, the number of tailings ponds in the whole country is only reduced or not increased in principle on the premise of ensuring normal production, construction and development of scarce or strategic mineral mines. Meanwhile, because newly-built tailing pond is high in cost, strict in examination and approval, difficult in land acquisition and moving, high in environmental protection requirement and difficult in finding a proper site due to limitation of terrain and planning, research on the method of utilizing the existing tailing pond to the maximum extent and increasing the capacity of the tailing pond is imperative. However, as the tailing pond is heightened and expanded, the disaster hidden danger of the tailing pond is more prominent, and the dam break risk is larger. The corresponding research of dam break of the tailing pond relates to the crossing field of relevant subjects such as soil mechanics, hydraulics, sediment dynamics and the like, which brings difficulty for the dam break research of the tailing pond, and meanwhile, in the dam break process of the tailing pond, the tailing dam can collapse and lose stability for multiple times, so that the dam break process is more complicated.
The dam break of the tailing pond is usually the result of the combined action of a plurality of factors, and in essence, the influence of the external environment (the tailing dam is heightened and loaded, earthquakes, rainfall, flood and the like) causes the change of a stress field and a seepage field in the tailing pond, so that the damage instability of the tailing dam is caused, and the damage instability of the tailing dam is mainly caused by the seepage field directly inducing the instability of the tailing dam, the instability of the dam foundation of the tailing dam is caused to break the dam, the overflow of the flood causes the instability of the slope of the tailing dam and break the dam, the dam break of the tailing pond is caused under the action of the earthquake and the like. However, at present, the research on the disaster-forming behavior evolution process of the tailings pond and the instability destruction mechanism of the tailings pond under different conditions is lacked. Therefore, the disaster behavior evolution process and the disaster characteristics of the tailings reservoir under different conditions are explored, the disaster resistance characteristics of different dam structures are known through reconstructing different dams, the influence of factors such as reservoir capacity, material characteristics, structural forms, extreme conditions and reservoir surrounding terrain on the disaster mode of the tailings reservoir is revealed, a theoretical basis is provided for heightening and protecting the tailings reservoir, and the method has important significance for the research of the fine-grained high tailings reservoir.
At present, a physical model building mode is often adopted for researching tailings ponds, the economic cost is low, the research efficiency is high, however, the physical simulation device for the dam break of the tailings ponds in the prior art has the problem that the dam break of the tailings ponds is difficult to be simulated under various different natural conditions and different working conditions.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a model device and a method for researching the damage mechanism of a tailing pond under the action of earthquake, which are used for solving the problem that the physical simulation device for the dam break of the tailing pond in the prior art is difficult to simulate the dam break of the tailing pond under various natural conditions and different working conditions.
In order to achieve the above object, the present invention provides a simulation apparatus for dam stacking and breaking of a tailings pond, comprising: the earthquake simulation system comprises a base, a horizontal vibration table, a vertical vibration table, an air source generating device, a horizontal vibration air bag and a vertical vibration air bag, wherein the horizontal vibration table is linearly and slidably connected with the base, a first end of the horizontal vibration air bag is fixedly arranged on the base, a second end of the horizontal vibration air bag is fixedly connected with the horizontal vibration table, the vibration direction of the horizontal vibration air bag is consistent with the sliding direction of the horizontal vibration table, a plurality of groups of vertical vibration air bags are arranged on the horizontal vibration table, the vertical vibration air bag is erected with the vertical vibration table, and the horizontal vibration air bag and the vertical vibration air bag are both communicated with the air source generating device;
the reservoir body simulation assembly is arranged on the vertical vibration table and used for simulating a tailing reservoir.
The rainfall simulation system comprises rainfall sprayers, connecting rods, a movable plate and linear driving pieces, wherein a support frame is arranged on the base, a first end of each connecting rod is hinged to the support frame through a ball pair, a through hole is formed in the movable plate, the connecting rods penetrate through the through holes, the rainfall sprayers are fixedly connected with second ends of the connecting rods, a plurality of groups of the rainfall sprayers are uniformly arranged in parallel, a mounting seat of each linear driving piece is hinged to the movable plate, a pushing end of each linear driving piece is hinged to the support frame, and the two groups of linear driving pieces are vertically arranged;
the information acquisition system is used for acquiring data information in the experimental process.
Optionally, the storehouse body simulation subassembly includes rotation platform, dam body, reservoir area and slope body, the dam body the reservoir area with the slope body sets up on the rotation platform, the rotation platform pass through rotary mechanism with vertical shaking table rotates and is connected, the dam body is used for simulating tailing storehouse dam, reservoir area simulation tailing water sand accumulation area, the slope body sets up the simulation massif around the reservoir area.
Optionally, the air supply generating device comprises a vibrating motor, a cylinder body and a piston, the vibrating motor and the cylinder body are arranged on the base, the piston and the cylinder body are in linear sliding fit, the vibrating motor drives the piston to reciprocate in the cylinder body through a transmission assembly, a cavity with a variable volume is formed between the piston and the cylinder body, and the cavity is connected with the horizontal vibrating air bag and the vertical vibrating air bag through a pipeline.
Optionally, the horizontal vibration airbag and the vertical vibration airbag are the same in shape and structure, the horizontal vibration airbag comprises an airbag main body and a vibration spring, and the vibration spring is arranged inside the airbag main body.
Optionally, rotary mechanism includes rotating electrical machines, rotation support bearing and drive gear, rotation support bearing's bearing inner race with rotation platform fixed connection, rotation support bearing's bearing outer lane with vertical shaking table fixed connection, rotating electrical machines fixed mounting be in on the vertical shaking table, rotating electrical machines's output shaft with the coaxial fixed connection of drive gear, drive gear with the internal tooth intermeshing of bearing inner race.
Optionally, the linear drive is an electric push rod.
Optionally, be equipped with the supporting seat on the support frame, it is two sets of the opposite parallel arrangement of supporting seat, the movable plate sets up between two sets of supporting seats, be provided with the bar hole on the supporting seat, be equipped with the bracing piece on the movable plate, the bracing piece passes the bar hole can freely remove in the bar hole.
Optionally, the information acquisition system comprises an inclination angle sensor, a pore water pressure sensor, a stress sensor, a humidity sensor, a displacement sensor and a shooting mechanism, wherein the inclination angle sensor, the pore water pressure sensor, the stress sensor, the humidity sensor and the displacement sensor are arranged at different positions of the dam body, and the shooting mechanism is arranged on the support frame.
Optionally, the shooting mechanism comprises a sliding block, a telescopic rod, a high-speed camera mounting seat, a rotating push rod and a high-speed camera, the sliding block is in linear sliding connection with the support frame, the telescopic rod is fixedly connected with the sliding block, the telescopic end of the telescopic rod is hinged to the high-speed camera mounting seat through a ball pair, the high-speed camera is fixedly mounted on the high-speed camera mounting seat, one end of the rotating push rod is hinged to the push rod of the telescopic rod, the other end of the rotating push rod is hinged to the high-speed camera mounting seat, and the rotating push rod winds the telescopic rod in an axial line arrangement mode.
Optionally, still include the booster pump, the booster pump with the rainfall shower nozzle passes through the pipe connection.
As mentioned above, the simulation device for dam stacking and breaking of the tailing pond of the invention has at least the following beneficial effects:
1. extreme conditions such as earthquake, heavy rainfall, flood overtopping, seepage failure and the like and the coupling situation of various disasters can be simulated; through model tests and numerical research, the evolution process and the disaster forming characteristics of the tailings pond under different conditions are explored, the disaster resistance characteristics of different dam body structures are known through reconstructing different dam bodies, the influence of factors such as the reservoir capacity, the material characteristics, the structural form, the extreme conditions and the surrounding topography of the tailings pond on the disaster forming mode of the tailings pond is revealed, a theoretical basis is provided for heightening and protecting the tailings dam, and the method has important significance for researching the fine-grained high tailings pond.
2. The piston is driven to reciprocate by the vibration motor, so that the air pressure in the cavity is periodically changed, the air pressure is changed to drive the horizontal vibration air bag to horizontally vibrate, and the horizontal vibration air bag drives the horizontal vibration table to horizontally reciprocate on the base, so that S waves are simulated; the air pressure changes and drives the vertical vibration air bag to vibrate vertically, the vertical vibration air bag drives the vertical vibration table to vibrate up and down in a reciprocating mode, so that P waves are simulated, and the horizontal vibration air bag vibrates under the combined action of the vertical vibration air bag, so that L waves are simulated.
3. Through linear driving spare promotes the movable plate horizontal migration, it is two sets of linear driving spare is arranged perpendicularly mutually, and two sets of linear driving spare cooperations can drive the movable plate removes in the arbitrary direction in horizontal plane, the movable plate removes the in-process and drives the connecting rod swing, the connecting rod drives the rainfall shower nozzle swing to the rainfall of different angles is realized simulating, is close true scene more.
4. The multiple groups of rainfall sprayers are arranged in parallel, and can be driven to swing in the same direction and at the same angle through the movable plate.
5. By continuously injecting water into the reservoir area, the disaster-forming behavior evolution process of the tailing dam under the condition of seepage drainage failure and flood overtopping can be simulated.
6. The slider is in slide on the support frame, can drive high-speed camera follows the support frame removes, through the flexible regulation of telescopic link the shooting height of high-speed camera, the high-speed camera mount pad with the flexible end of telescopic link is articulated through the ball pair, winds the axis of telescopic link has arranged the rotation push rod, through the rotation push rod promotes, can adjust high-speed camera shooting angle and scope.
7. The water pressure can be increased and controlled through the pressurization effect of the booster pump, so that the rainfall with different intensities can be simulated.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a dam stacking and breaking simulation device of a tailings pond according to an embodiment of the invention;
fig. 2 is a schematic perspective view of a dam break simulation apparatus for a tailings pond from another view according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a vibration assembly and a power conversion system mounting position isometric mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1 according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion F of FIG. 2 according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a horizontal vibration airbag or a vertical vibration airbag according to an embodiment of the present invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below, and it should be noted that the embodiments described herein are only for illustration and are not intended to limit the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known circuits, software, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale.
In the embodiment, referring to fig. 1 to 6, the invention provides a dam piling and breaking simulation device for a tailing pond, which comprises a seismic simulation system 3, a pond body simulation assembly 4, a rainfall simulation system 2 and an information acquisition system, wherein the seismic simulation system 3 comprises a base 312, a horizontal vibration table 303, a vertical vibration table 304, a horizontal vibration air bag 302 and a vertical vibration air bag 301, the horizontal vibration table 303 is linearly and slidably connected with the base 312, a plurality of slide rails can be arranged on the base 312, and the horizontal vibration table 303 is slidably matched with the slide rails; a sliding groove may be formed in the base 312, a plurality of rollers are mounted at the bottom of the horizontal vibration table 303, the rollers are disposed in the sliding groove and can roll in the sliding groove, a first end of the horizontal vibration airbag 302 is fixedly mounted on the base 312, a second end of the horizontal vibration airbag 302 is fixedly connected to the horizontal vibration table 303, a vibration direction of the horizontal vibration airbag 302 is consistent with a sliding direction of the horizontal vibration table 303, a plurality of groups of vertical vibration airbags 301 are disposed on the horizontal vibration table 303, a vertical vibration table 304 is erected on the vertical vibration airbag 301, and both the horizontal vibration airbag 302 and the vertical vibration airbag 301 are communicated with the gas source generating device. The horizontal vibration air bag 302 drives the horizontal vibration table 303 to horizontally vibrate back and forth on the base 312, so that S waves are simulated; the air pressure changes to drive the vertical vibration air bag 301 to vertically vibrate, the vertical vibration air bag 301 drives the vertical vibration table 304 to vertically vibrate in a reciprocating mode, so that P waves are simulated, and the horizontal vibration air bag 302 and the vertical vibration air bag 301 vibrate under the combined action, so that L waves are simulated.
The reservoir body simulation assembly 4 is arranged on the vertical vibration table 304, and the reservoir body simulation assembly 4 is used for simulating a tailings reservoir; the reservoir body simulation component 4 is built according to the principle of equal proportional scaling according to the actual mining area to be simulated, and the selected material is built to select the material with the mechanical property close to that of the corresponding part of the actual tailing reservoir.
Through linear driving piece 206 promotes movable plate 203 horizontal migration, two sets of linear driving piece 206 is arranged perpendicularly mutually, and two sets of linear driving piece 206 are cooperateed, can drive movable plate 203 removes in the arbitrary direction in horizontal plane, movable plate 203 moves the in-process and drives connecting rod 204 swing, connecting rod 204 drives rainfall shower nozzle 205 swing to the rainfall of different angles is realized simulating, is close true scene more.
The information acquisition system is used for acquiring data information in the experimental process.
The simulation device can simulate earthquake, heavy rainfall, extreme conditions and various disaster coupling situations, and explore the tail mine reservoir disaster-forming behavior evolution process and disaster-forming characteristics under different conditions through model tests and numerical research.
In this implementation, referring to fig. 1-2, the reservoir simulation module 4 includes a rotating platform 401, a dam 402, a reservoir 403, and a slope 404, where the dam 402, the reservoir 403, and the slope 404 are disposed on the rotating platform 401, the rotating platform 401 is rotatably connected to the vertical vibration table 304 through a rotating mechanism 6, the dam 402 is used to simulate a tailing reservoir dam, the reservoir 403 simulates a tailing water sand accumulation area, and the slope 404 is disposed around the reservoir 403 to simulate a mountain.
In this embodiment, referring to fig. 1-3, the gas source generating device includes a vibration motor 305, a cylinder 306 and a piston, the vibration motor 305 and the cylinder 306 are disposed on the base 312, the piston and the cylinder 306 are linearly and slidably engaged, the vibration motor 305 drives the piston to reciprocate in the cylinder 306 through a transmission assembly 310, a variable volume cavity is formed between the piston and the cylinder 306, and the cavity is connected to the horizontal vibration airbag 302 and the vertical vibration airbag 301 through a pipeline. The piston is driven to reciprocate by the vibration motor 305, so that the air pressure in the cavity is periodically changed, the kinetic energy output by the vibration motor 305 is converted into the pressure potential energy of the gas, and the horizontal vibration air bag 302 and the vertical vibration air bag 301 are driven to vibrate by the change of the air pressure, so that the structure is simple, and the control is easy.
The transmission assembly 310 includes a crankshaft and a connecting rod, the crankshaft is in transmission connection with the vibration motor 305, an output shaft of the vibration motor 305 and the crankshaft may be directly coaxially and fixedly connected, the vibration motor 305 may also be connected with the crankshaft through a gear mechanism, a first end of the connecting rod is rotatably connected with the connecting rod journal, and a second end of the connecting rod is hinged to the piston. The piston is driven to reciprocate by the rotation of the vibration motor 305. The crank on the crank shaft is provided with a plurality of journal mounting holes along the rotating radial direction, the connecting rod journal penetrates through one journal mounting hole to be fixedly mounted on the crank, and the connecting rod journal is mounted on different journal mounting holes to achieve the purposes of changing the working radius of the crank and indirectly adjusting the maximum motion range of the piston, thereby adjusting the pressure range in the cavity.
The earthquake simulation system 3 further comprises an air source distributor 307, an air inlet main pipe of the air source distributor 307 is connected with the cavity, the horizontal vibration air bag 302 and the vertical vibration air bag 301 are connected with an air outlet branch pipe of the air source distributor 307 through air bag pipelines 309, the air source distributor 307 is used for controlling the maximum air flow in different air bag pipelines 309, so that the maximum amplitude of the horizontal vibration air bag 302 or the vertical vibration air bag 301 is controlled to be different, the air flow in different air bag pipelines 309 is controlled to be interrupted through the air source distributor 307, the operation of the horizontal vibration air bag 302 or the vertical vibration air bag 301 is controlled to be specific, and the influence of seismic waves in different directions on a tailings pond is simulated. A control valve 308 is arranged on the air bag conduit 309, and the air flow in the air bag conduit 309 can be adjusted through the control valve 308, so that the amplitude change of the corresponding air bag can be controlled.
In this embodiment, referring to fig. 1, fig. 2, fig. 3 and fig. 6, the horizontal vibration airbag 302 and the vertical vibration airbag 301 have the same shape and structure, the horizontal vibration airbag 302 includes an airbag main body 3011 and a vibration spring 3012, the airbag main body 3011 may be made of rubber, the vibration spring 3012 is disposed inside the airbag main body 3011, and the vibration spring 3012 may increase the carrying capacity of the horizontal vibration airbag 302 or the vertical vibration airbag 301.
In this implementation, please refer to fig. 1-2, the rotating mechanism 6 includes a rotating electrical machine, a rotating support bearing and a driving gear, a bearing inner ring of the rotating support bearing is fixedly connected to the rotating platform 401, a bearing outer ring of the rotating support bearing is fixedly connected to the vertical vibration table 304, the rotating electrical machine is fixedly mounted on the vertical vibration table 304, an output shaft of the rotating electrical machine is coaxially and fixedly connected to the driving gear, the driving gear is meshed with inner teeth of the bearing inner ring, the rotating support bearing inner ring is driven to rotate by the rotating electrical machine, and the bearing inner ring drives the rotating platform 401 to rotate.
In this embodiment, referring to fig. 1, fig. 2 and fig. 5, the linear driving member 206 is an electric push rod, and is convenient to install and operate.
In this embodiment, referring to fig. 1, fig. 2 and fig. 5, the supporting frame 201 is provided with two supporting seats 202, two groups of the supporting seats 202 are arranged oppositely and in parallel, the moving plate 203 is arranged between the two groups of the supporting seats 202, the supporting seats 202 are provided with strip-shaped holes 2021, the moving plate 203 is provided with supporting rods 2031, and the supporting rods 2031 pass through the strip-shaped holes 2021 and can freely move in the strip-shaped holes 2021.
In this implementation, referring to fig. 1 to 5, the information acquisition system includes a sensor assembly 501 and a shooting mechanism 502, the sensor assembly 501 includes an inclination angle sensor, a pore water pressure sensor, a stress sensor, a humidity sensor, and a displacement sensor, the inclination angle sensors, the pore water pressure sensor, the stress sensor, the humidity sensor, and the displacement sensor are disposed at different positions of the dam 402, and the shooting mechanism 502 is disposed on the support frame 201.
In this example, please refer to fig. 1 to 5, the shooting mechanism 502 includes a slider 5021, a telescopic link 5022, a high-speed camera mounting seat 5024, a rotary push rod 5023 and a high-speed camera 5025, the slider 5021 is linearly and slidably connected with the support frame 201, the telescopic link 5022 is fixedly connected with the slider 5021, a telescopic end of the telescopic link 5022 is hinged to a ball pair of the high-speed camera mounting seat 5024, the high-speed camera 5025 is fixedly mounted on the high-speed camera 5025 mounting seat 5024, one end of the rotary push rod 5023 is hinged to a push rod of the telescopic link 5022, the other end of the rotary push rod 5023 is hinged to the high-speed camera mounting seat 5024, and at least two groups of the rotary push rods 5023 are arranged around an axis of the telescopic link 5022.
In this embodiment, please refer to fig. 1-2, further comprising a booster pump, wherein the booster pump is connected to the rainfall sprayer 205 through a pipeline; the water pressure can be increased and controlled through the pressurization effect of the booster pump, so that the rainfall with different intensities can be simulated.
In conclusion, the invention can simulate extreme conditions such as earthquake, heavy rainfall, flood overtopping, seepage failure and the like, and situations of coupling of various disasters; through model tests and numerical research, the evolution process and the disaster forming characteristics of the tailings ponds under different conditions are explored, the disaster resisting characteristics of the structures of different dams 402 are known through reconstructing the different dams 402, the influence of factors such as the reservoir capacity, the material characteristics, the structural form, the extreme conditions, the surrounding terrain of the tailings ponds and the like on the disaster forming modes of the tailings ponds is revealed, a theoretical basis is provided for heightening and protecting the tailings dams, and the method has important significance for the research of the fine-grained high tailings ponds. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (9)
1. The utility model provides a dam breaking analogue means is piled in tailing storehouse which characterized in that includes:
a seismic modeling system is provided which includes a seismic modeling system,
the earthquake simulation system comprises a base, a horizontal vibration table, a vertical vibration table, an air source generating device, a horizontal vibration air bag and a vertical vibration air bag, wherein the horizontal vibration table is linearly connected with the base in a sliding manner, the first end of the horizontal vibration air bag is fixedly arranged on the base, the second end of the horizontal vibration air bag is fixedly connected with the horizontal vibration table, the vibration direction of the horizontal vibration air bag is consistent with the sliding direction of the horizontal vibration table, a plurality of groups of vertical vibration air bags are arranged on the horizontal vibration table, the vertical vibration air bag is erected with the vertical vibration table, and the horizontal vibration air bag and the vertical vibration air bag are both communicated with the air source generating device;
the library body simulation component is used for simulating the library body,
the reservoir body simulation assembly is arranged on the vertical vibration table and used for simulating a tailing reservoir;
a rainfall simulation system is arranged in the rain-making device,
the rainfall simulation system comprises rainfall sprayers, connecting rods, a movable plate and linear driving pieces, wherein a support frame is arranged on the base, a first end of each connecting rod is hinged to the support frame through a ball pair, a through hole is formed in the movable plate, the connecting rods penetrate through the through holes, the rainfall sprayers are fixedly connected with second ends of the connecting rods, a plurality of groups of the rainfall sprayers are uniformly arranged in parallel, a mounting seat of each linear driving piece is hinged to the movable plate, a pushing end of each linear driving piece is hinged to the support frame, and the two groups of linear driving pieces are vertically arranged;
an information acquisition system is used for acquiring the information,
the information acquisition system is used for acquiring data information in the experimental process;
the horizontal vibration air bag and the vertical vibration air bag are identical in shape and structure, the horizontal vibration air bag comprises an air bag main body and a vibration spring, and the vibration spring is arranged inside the air bag main body.
2. The simulation device of dam piling and breaking of a tailings pond of claim 1, wherein: the dam body simulation assembly comprises a rotating platform, a dam body, a reservoir area and a slope body, wherein the dam body, the reservoir area and the slope body are arranged on the rotating platform, the rotating platform is connected with the vertical vibrating table in a rotating mode through a rotating mechanism, the dam body is used for simulating a tailing reservoir dam, the reservoir area simulates a tailing water sand accumulation area, and the slope body is arranged on the periphery of the reservoir area and simulates a mountain.
3. The simulation device of dam piling and breaking of a tailings pond of claim 1, wherein: the air source generating device comprises a vibrating motor, a cylinder body and a piston, the vibrating motor is arranged on the base, the piston is in linear sliding fit with the cylinder body, the vibrating motor drives the piston to reciprocate in the cylinder body through a transmission assembly, the piston is in a cavity with a variable volume formed between the cylinder body, and the cavity is connected with the horizontal vibrating air bag and the vertical vibrating air bag through pipelines.
4. The simulation device of dam piling and breaking of a tailings pond of claim 2, wherein: rotary mechanism includes rotating electrical machines, rotatory support bearing and drive gear, the bearing inner race of rotatory support bearing with rotation platform fixed connection, the bearing outer lane of rotatory support bearing with vertical shaking table fixed connection, the rotating electrical machines fixed mounting be in on the vertical shaking table, the output shaft of rotating electrical machines with the coaxial fixed connection of drive gear, drive gear with the internal tooth intermeshing of bearing inner race.
5. The simulation device of dam piling and breaking of a tailings pond of claim 1, wherein: the linear driving piece is an electric push rod.
6. The simulation device of dam piling and breaking of a tailings pond of claim 1, wherein: be equipped with the supporting seat on the support frame, it is two sets of the opposition parallel arrangement of supporting seat, the movable plate sets up between two sets of supporting seats, be provided with the bar hole on the supporting seat, be equipped with the bracing piece on the movable plate, the bracing piece passes the bar hole can freely remove in the bar hole.
7. The simulation device of dam piling and breaking of a tailings pond of claim 2, wherein: the information acquisition system comprises an inclination angle sensor, a pore water pressure sensor, a stress sensor, a humidity sensor, a displacement sensor and a shooting mechanism, wherein the inclination angle sensor, the pore water pressure sensor, the stress sensor, the humidity sensor and the displacement sensor are arranged at different positions of the dam body, and the shooting mechanism is arranged on the support frame.
8. The device for simulating dam piling and breaking of the tailing pond of claim 7, wherein: the shooting mechanism comprises a sliding block, a telescopic rod, a high-speed camera mounting seat, a rotating push rod and a high-speed camera, the sliding block is in linear sliding connection with the support frame, the telescopic rod is fixedly connected with the sliding block, the telescopic end of the telescopic rod is hinged to the high-speed camera mounting seat through a spherical pair, the high-speed camera is fixedly mounted on the high-speed camera mounting seat, one end of the rotating push rod is hinged to the push rod of the telescopic rod, the other end of the rotating push rod is hinged to the high-speed camera mounting seat, and the rotating push rod winds the telescopic rod in an axial line mode.
9. The simulation device for simulating the dam piling and breaking of the tailings pond according to any one of claims 1 to 8, wherein: still include the booster pump, the booster pump with the rainfall shower nozzle passes through the pipe connection.
Priority Applications (1)
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| CN115144567B (en) * | 2022-09-01 | 2022-11-11 | 中国有色金属工业昆明勘察设计研究院有限公司 | Upstream type tailing dam accumulation surveying and stability evaluation method and system |
| CN117723247B (en) * | 2024-02-18 | 2024-04-16 | 安徽省交通控股集团有限公司 | Anti-seismic performance detection device for highway pile plate type structure |
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