CN115184590B - Rock landslide cause simulation test device under action of fracture water pressure - Google Patents
Rock landslide cause simulation test device under action of fracture water pressure Download PDFInfo
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- CN115184590B CN115184590B CN202211106797.4A CN202211106797A CN115184590B CN 115184590 B CN115184590 B CN 115184590B CN 202211106797 A CN202211106797 A CN 202211106797A CN 115184590 B CN115184590 B CN 115184590B
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Abstract
The application provides rock mass landslide cause of formation analogue test device under fracture water pressure effect belongs to experimental technical field. The rock landslide cause simulation test device under the action of fracture water pressure comprises a rack, a lifting plate and an adjusting component. The rack comprises a test box and a lifting table, and the lifting table is positioned in the test box; the test box comprises a test box body, a lifting plate and an adjusting component, wherein the lifting plate is arranged on the test box body, the adjusting component comprises an angle adjusting piece, a first rotating frame, a second rotating frame, a driving piece and a roller, and the angle adjusting piece is arranged on one side of the test box body. According to the application, the rock landslide cause simulation test device simulates the sliding surface between rock mass structures under the action of the fracture water pressure, the influence of the sliding surface on the stability of the landslide under the action of the fracture water pressure is fully considered, the slope is conveniently judged in a near-slip state, and the rock landslide cause under the action of the fracture water pressure is conveniently researched.
Description
Technical Field
The application relates to the technical field of tests, in particular to a rock landslide cause simulation test device under the action of fracture water pressure.
Background
Landslide is one of the most common geological disasters in China, and one type of landslide is special. In a consequent rock slope of a sand-shale interbed, when cracks develop at the rear edge of a slope body, under the condition of bad rainfall, rainwater permeates into the slope body through the cracks to form a water column at the rear edge, and generates outward thrust on the slope body structure. Meanwhile, rainwater can seep downwards along the sand-shale weak interlayer in the slope body, the mudstone is easy to soften when meeting water, the shear strength of the mudstone is rapidly reduced after the mudstone is softened, and the upper rock-soil body is subjected to plane sliding shearing damage along the weak surface when the anti-sliding force provided by the weak surface is smaller than the downward sliding force under the action of the gravity of the upper rock-soil body. At present, most of existing landslide physical test devices simplify a lower-layer side slope rock mass into a platform, and influence of a sliding surface form on a landslide starting mechanism is ignored.
How to invent a rock landslide cause simulation test device under the action of fracture water pressure to improve the problems becomes a problem to be solved urgently by a person skilled in the art.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the rock landslide cause simulation test device under the action of the fracture water pressure is provided, the rock landslide cause simulation test device under the action of the fracture water pressure simulates a sliding surface between rock mass structures, the influence of the sliding surface on the stability of the landslide under the action of the fracture water pressure is fully considered, the judgment of the side slope near-slip state is facilitated, and the rock landslide cause under the action of the fracture water pressure is conveniently researched.
The embodiment of the application provides rock mass landslide cause of formation analogue test device under fracture water pressure effect includes frame, lifter plate and adjusting part.
The frame comprises a test box and a lifting table, and the lifting table is positioned inside the test box; the shower nozzle is installed to the lifter plate upside, the lifter plate bottom side is equipped with the breast board, the lifter plate rotate connect in the proof box.
The adjusting part comprises an angle adjusting piece, a first rotating frame, a second rotating frame, a driving piece and a roller, wherein the angle adjusting piece is installed on one side of the test box, the first rotating frame and the second rotating frame are installed on two sides of the angle adjusting piece, the angle adjusting piece can be right to adjust the rotating angle of the first rotating frame and the rotating angle of the second rotating frame, the driving piece is installed on one side of the second rotating frame, and the roller is located between the first rotating frame and the second rotating frame and drives the roller to move.
In the implementation process, when a test model is constructed, rock mass structures such as sandstone and mudstone are placed above the lifting table, the lifting table moves up and down to control the height of the rock mass structures, the rotation angles of the first rotating frame and the second rotating frame are adjusted through the angle adjusting piece, the driving piece drives the roller to adjust the inclination angle of the sliding surface between the rock mass structures such as sandstone and mudstone, the roller rolls on the sliding surface to enable the roller to be close to the actual landslide condition, and the breast board prevents the rock mass structures such as sandstone and mudstone above the lifting table from falling off when the model is constructed; during the experiment, the crack of the rock mass above is manually created, the lifting plate rotates and rises to the upper part of the lifting platform, and the influence of rainfall weather on the stability of the landslide is simulated by spraying water flow out of the spray head, so that the research on the cause of the rock landslide under the action of the water pressure of the crack is facilitated.
In some embodiments of the present application, the test chamber has two observation windows on two sides, one side of the test chamber has an operation window, and the other side of the test chamber has a lifting slot.
In some embodiments of the present application, universal wheels are installed on the bottom side of the test chamber, and a baffle is arranged on the bottom side inside the test chamber and corresponds to the lifting table.
In the implementation process, the baffle prevents rock structures such as sandstone, mudstone and the like from falling into the lower part of the lifting platform to block the movement of the lifting platform.
In some embodiments of the present application, a cylinder is disposed on a bottom side of the lifting table, and the cylinder is fixedly mounted on the test box.
In some embodiments of the application, a water tank is fixedly mounted on the upper side of the test chamber, the bottom side of the water tank is communicated with a communicating pipe, and the other end of the communicating pipe is communicated with a telescopic pipe.
In the implementation process, the water tank is used for storing the water volume of the simulated precipitation, and the telescopic pipe is convenient for the lifting plate to move.
In some embodiments of the present application, the lifting plate is provided with a cavity, and the extension tube and the cavity are communicated with the spray head.
In the implementation process, the water flow in the water tank passes through the communicating pipe and the telescopic pipe flows into the cavity, and the influence of rainfall weather on landslide stability is simulated by spraying the spray heads above rock mass structures such as sandstone and mudstone.
In some embodiments of this application, the lifter is installed to the lifter plate, the lifter includes elevator motor, first connecting rod, second connecting rod, third connecting rod and fourth connecting rod, elevator motor fixed mounting in proof box one side, first connecting rod one end rotate connect in the lifter plate, the first connecting rod other end install in the elevator motor output, fourth connecting rod one end rotate connect in the lifter plate, second connecting rod one end rotate connect in the proof box, the second connecting rod with the fourth connecting rod rotate connect in the third connecting rod, the third connecting rod other end rotates to be connected in first connecting rod.
In the implementation process, the output end of the lifting motor drives the first connecting rod to rotate, the lifting plate is lifted by the aid of the other end of the first connecting rod, the second connecting rod is connected with the test box, the third connecting rod is connected with the first connecting rod and the second connecting rod, the fourth connecting rod drives the middle part of the lifting plate to rotate, so that the lifting plate is convenient to maintain lifting stability, the fence plate is convenient to prevent rock structures such as sandstone and mudstone above the lifting table from falling off when a model is built, and meanwhile, the influence of rainfall simulation by the spray head on landslide stability is facilitated.
In some embodiments of the present application, the first rotating frame and the second rotating frame are disposed in parallel, and the first rotating frame and the second rotating frame are rotatably connected to the lifting groove.
In some embodiments of the application, the angle adjusting piece includes a worm, a worm wheel and a rotating cylinder, the worm and the worm wheel mesh transmission, the rotating cylinder fixed connection in the worm wheel, first rotating frame with the second rotating frame respectively fixed connection in the rotating cylinder both ends.
In the implementation process, the worm rotates, and the worm wheel rotates due to meshing transmission of the worm and the worm wheel to drive the rotating cylinder to rotate, so that the rotating angles of the first rotating frame and the second rotating frame are changed.
In some embodiments of the present application, the test chamber is fixedly connected with an operation chamber, the worm wheel is located inside the operation chamber, and the worm is rotatably connected with the operation chamber.
In some embodiments of the present application, a hand wheel is fixedly mounted at one end of the worm, and the first rotating frame is rotatably connected with a threaded rod.
In some embodiments of the present application, one end of the threaded rod is fixedly connected with a second gear, the second rotating frame is fixedly connected with a limiting rod, and the threaded rod and the limiting rod are arranged in parallel.
In some embodiments of the present application, the driving member includes a rotating shaft, a first belt pulley, a second belt pulley, a transmission belt, and a transmission motor, the transmission motor is fixedly installed in the test chamber, the first belt pulley is installed at the output end of the transmission motor, the second belt pulley is fixedly connected to one end of the rotating shaft, the rotating shaft is rotatably connected to the rotating cylinder, and the first belt pulley and the second belt pulley are connected through the transmission belt.
In the implementation process, the output end of the transmission motor drives the first belt pulley to rotate, and the transmission belt drives the second belt pulley to rotate, so that the rotating shaft can rotate.
In some specific embodiments of the present application, a first gear is fixedly mounted at the other end of the rotating shaft, and the first gear and the second gear are in meshing transmission.
In the implementation process, the rotating shaft rotates to drive the first gear to rotate, and the second gear rotates to drive the threaded rod to rotate due to the meshing transmission of the first gear and the second gear.
In some embodiments of the present application, the roller is slidably sleeved with a moving rod, one end of the moving rod is screwed to the threaded rod, and the other end of the moving rod is slidably connected to the limiting rod.
In the implementation process, the threaded rod drives the movable rod to move on the limiting rod, and the roller rolls on the sliding surface when moving.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a rock landslide cause simulation test device under the action of fracture water pressure according to an embodiment of the application;
FIG. 2 is a schematic diagram of an internal structure of a rock landslide cause simulation test device under the action of fracture water pressure according to an embodiment of the application;
FIG. 3 is a schematic view of a first structure of a rack according to an embodiment of the present disclosure;
fig. 4 is a second structural schematic diagram of a rack provided in an embodiment of the present application;
FIG. 5 is a schematic view of a first structure of a lifter plate according to an embodiment of the present disclosure;
FIG. 6 is a second structural schematic diagram of a lifter plate according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of an adjustment assembly provided in an embodiment of the present application;
FIG. 8 is a schematic diagram of the structure at A in FIG. 7 according to an embodiment of the present disclosure;
FIG. 9 is a first schematic view of a portion of an adjustment assembly according to an embodiment of the present disclosure;
fig. 10 is a second schematic view of a partial structure of an adjusting assembly according to an embodiment of the present disclosure.
In the figure: 100-a frame; 110-a test chamber; 111-a viewing window; 112-an operating window; 113-universal wheels; 114-a lifting groove; 115-a baffle; 120-a lifting platform; 121-a cylinder; 130-a water tank; 131-a communicating tube; 132-a telescoping tube; 200-a lifting plate; 210-a spray head; 220-a breast board; 230-a lifting member; 231-a lift motor; 232-a first link; 233-a second link; 234-third link; 235-a fourth link; 300-an adjustment assembly; 310-an angle adjustment; 311-an operation box; 312-a worm; 313-a hand wheel; 314-a worm gear; 315-rotating the barrel; 320-a first rotating frame; 321-a threaded rod; 322-a second gear; 330-a second turret; 331-a limiting rod; 350-a drive member; 351-a rotating shaft; 352-first gear; 353 — a first pulley; 354-a second pulley; 355-a conveyor belt; 356-driving the motor; 360-moving the rod; 370-roller.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The rock landslide cause simulation test device under the action of fracture water pressure according to the embodiment of the application is described below with reference to the accompanying drawings.
Referring to fig. 1-10, the present application provides a rock landslide cause simulation test device under the action of fracture water pressure, which comprises a frame 100, a lifting plate 200 and an adjusting assembly 300.
Wherein, the lifter plate 200 is installed inside the frame 100, and the adjusting part 300 is installed in frame 100 one side, stabilizes rock mass structures such as sandstone, mudstone through the lifter plate 200, is convenient for follow-up experimental, and the adjusting part 300 is used for adjusting the inclination of glide plane between rock mass structures such as sandstone, mudstone.
Referring to fig. 1, 2, 3 and 4, the rack 100 includes a test chamber 110 and a lift table 120, wherein the lift table 120 is located inside the test chamber 110.
Specifically, the test box 110 facilitates construction of a test model, maintains a relatively closed environment, reduces influence on a test, facilitates the test, enables rock structures such as sandstone and mudstone to be located above the lifting table 120, and adjusts heights of the rock structures such as sandstone and mudstone through the lifting table 120 and the adjusting assembly 300.
Referring to fig. 1, 5 and 6, the upper side of the lifting plate 200 is provided with a nozzle 210, the bottom side of the lifting plate 200 is provided with a fence 220, and the lifting plate 200 is rotatably connected to the test chamber 110.
Specifically, the spray head 210 is used for spraying water flow to simulate the influence of rainfall weather on landslide stability, the breast board 220 and the lifting board 200 are integrally designed, and the breast board 220 is used for preventing rock structures such as sandstone and mudstone above the lifting platform 120 from falling off when a model is built.
Referring to fig. 1, 7, 8, 9 and 10, the adjusting assembly 300 includes an angle adjusting member 310, a first rotating frame 320, a second rotating frame 330, a driving member 350 and a roller 370, the angle adjusting member 310 is installed at one side of the test chamber 110, the first rotating frame 320 and the second rotating frame 330 are installed at two sides of the angle adjusting member 310, the rotation angle of the first rotating frame 320 and the second rotating frame 330 can be adjusted through the angle adjusting member 310, the driving member 350 is installed at one side of the second rotating frame 330, the roller 370 is located between the first rotating frame 320 and the second rotating frame 330, and the driving member 350 drives the roller 370 to move.
Specifically, the angle adjusting member 310 is used for adjusting the rotation angles of the first rotating frame 320 and the second rotating frame 330, so that the roller 370 can conveniently adjust the inclination angle of the sliding surface between rock structures such as sandstone and mudstone, and the driving member 350 is used for driving the roller 370 to roll on the sliding surface, so that the roller is close to the actual landslide condition.
The working process of the rock landslide cause simulation test device under the action of fracture water pressure according to the embodiment of the application is described below with reference to the attached drawings.
When a test model is constructed, rock body structures such as sandstone and mudstone are placed above the lifting table 120, the lifting table 120 moves up and down to control the height of the rock body structures, the angle adjusting piece 310 is used for adjusting the rotating angles of the first rotating frame 320 and the second rotating frame 330, the driving piece 350 is used for driving the roller 370 to adjust the inclination angle of the sliding surface between the rock body structures such as sandstone and mudstone, the roller 370 rolls on the sliding surface to enable the sliding surface to be close to the actual landslide condition, and the breast board 220 is used for preventing the rock body structures such as sandstone and mudstone above the lifting table 120 from falling off when the model is constructed; during the experiment, the crack of the rock mass above is manually created, the lifting plate 200 rotates and rises above the lifting platform 120, and the spray head 210 sprays water flow to simulate the influence of rainfall weather on the stability of the landslide, so that the research on the cause of the rock landslide under the action of the water pressure of the crack is facilitated.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 3 and 4, the two sides of the test box 110 are provided with the observation windows 111, one side of the test box 110 is provided with the operation window 112, the other side of the test box 110 is provided with the lifting groove 114, and the observation windows 111 are convenient for people to observe the test phenomenon.
According to rock landslide cause of formation simulation test device under the action of fracture water pressure of this application embodiment, please refer to fig. 2, 3, 4, universal wheel 113 is installed to the test box 110 bottom side, and the inside bottom side of test box 110 is equipped with baffle 115, and baffle 115 and elevating platform 120 correspond the setting, and universal wheel 113 bolt fastening is in test box 110, and the organism of being convenient for freely removes, and baffle 115 welded fastening is in test box 110.
The baffle 115 prevents rock structures such as sandstone and mudstone from falling below the elevating platform 120 and hindering the elevating platform 120 from moving.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 2, a cylinder 121 is arranged at the bottom side of the lifting table 120, the cylinder 121 is fixedly installed on the test box 110, the cylinder 121 is fixed on the test box 110 through bolts, and the lifting table 120 is fixed at the output end of the cylinder 121 through bolts, so that the lifting table 120 can move up and down conveniently.
Aiming at researching the influence of a sliding surface on the stability of the landslide under the action of the water pressure of the fissure, the following scheme is provided.
According to the rock landslide cause of formation simulation test device under the action of fissure water pressure of the embodiment of the application, please refer to fig. 1, 2, 5 and 6, a water tank 130 is fixedly installed on the upper side of a test box 110, a communicating pipe 131 is communicated with the bottom side of the water tank 130, the other end of the communicating pipe 131 is communicated with an extension pipe 132, the water tank 130 is fixed on the upper side of the test box 110 through bolts, the water tank 130 is used for storing the amount of simulated precipitation, and the extension pipe 132 is convenient for a lifting plate 200 to move.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 5 and 6, the lifting plate 200 is provided with a cavity, and the extension tube 132 and the cavity are communicated with the spray head 210.
It should be noted that the water in the water tank 130 flows into the cavity through the communication pipe 131 and the extension pipe 132, and is sprayed to the top of the rock mass structure such as sandstone and mudstone through the spray head 210, so as to simulate the influence of rainfall weather on landslide stability.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 5 and 6, the lifting plate 200 is provided with the lifting member 230, the lifting member 230 comprises a lifting motor 231, a first connecting rod 232, a second connecting rod 233, a third connecting rod 234 and a fourth connecting rod 235, the lifting motor 231 is fixedly arranged on one side of the test box 110, one end of the first connecting rod 232 is rotatably connected to the lifting plate 200, the other end of the first connecting rod 232 is arranged at the output end of the lifting motor 231, one end of the fourth connecting rod 235 is rotatably connected to the lifting plate 200, one end of the second connecting rod 233 is rotatably connected to the test box 110, the second connecting rod 233 and the fourth connecting rod 235 are rotatably connected to the third connecting rod 234, the other end of the third connecting rod 234 is rotatably connected to the first connecting rod 232, the lifting motor 231 is bolted on one side of the test box 110, and the lifting motor 231 is used for providing the driving force for the lifting plate 200 to move up and down.
It should be noted that, the lift motor 231 output drives first connecting rod 232 and takes place to rotate, it promotes to drive lifter plate 200 through the first connecting rod 232 other end, connect test box 110 through second connecting rod 233, first connecting rod 232 and second connecting rod 233 are connected to third connecting rod 234, it rotates to drive lifter plate 200 middle part through fourth connecting rod 235, be convenient for keep the stability that lifter plate 200 goes up and down, be convenient for the breast board 220 prevents to be located the sandstone of elevating platform 120 top, rock structures such as mudstone drop when the construction model, be convenient for simultaneously shower nozzle 210 simulation rainfall weather is to the influence of landslide stability.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 1, 3 and 7, the first rotating frame 320 and the second rotating frame 330 are arranged in parallel, and the first rotating frame 320 and the second rotating frame 330 are rotatably connected to the lifting groove 114.
Aiming at researching the influence of the sliding surface between rock mass structures on the stability of the landslide, the following scheme is provided.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 7, 9 and 10, the angle adjusting member 310 comprises a worm 312, a worm wheel 314 and a rotating cylinder 315, the worm 312 and the worm wheel 314 are in meshing transmission, the rotating cylinder 315 is fixedly connected to the worm wheel 314, the first rotating frame 320 and the second rotating frame 330 are respectively and fixedly connected to two ends of the rotating cylinder 315, the rotating cylinder 315 is in key connection with the worm wheel 314, and the first rotating frame 320 and the second rotating frame 330 are both welded and fixed to the rotating cylinder 315.
Specifically, the worm 312 rotates, and due to the meshing transmission between the worm 312 and the worm wheel 314, the worm wheel 314 rotates to drive the rotating cylinder 315 to rotate, so that the rotation angles of the first rotating frame 320 and the second rotating frame 330 are changed.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 7, 9 and 10, the test box 110 is fixedly connected with the operation box 311, the worm wheel 314 is positioned inside the operation box 311, the worm 312 is rotatably connected to the operation box 311, and the operation box 311 is fixed on the test box 110 through bolts and is convenient to operate.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 9 and 10, a hand wheel 313 is fixedly installed at one end of the worm 312, the first rotating frame 320 is rotatably connected with the threaded rod 321, the hand wheel 313 is fixed on the worm 312 through bolts, and the hand wheel 313 is convenient for rotating the worm 312.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 9 and 10, one end of the threaded rod 321 is fixedly connected with the second gear 322, the second rotating frame 330 is fixedly connected with the limiting rod 331, the threaded rod 321 and the limiting rod 331 are arranged in parallel, the second gear 322 is welded and fixed on the threaded rod 321, and the limiting rod 331 is fixed on the second rotating frame 330 through bolts.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 7, 8, 9 and 10, the driving member 350 comprises a rotating shaft 351, a first belt pulley 353, a second belt pulley 354, a transmission belt 355 and a transmission motor 356, the transmission motor 356 is fixedly installed on the test box 110, the first belt pulley 353 is installed at the output end of the transmission motor 356, the second belt pulley 354 is fixedly connected to one end of the rotating shaft 351, the rotating shaft 351 is rotatably connected to the rotating cylinder 315, the first belt pulley 353 and the second belt pulley 354 are in transmission connection through the transmission belt 355, the transmission motor 356 is bolted to the test box 110, the transmission motor 356 is used for providing the driving force for rotating the threaded rod 321, the first belt pulley 353 is bolted to the output end of the transmission motor 356, and the second belt pulley 354 is bolted to the rotating shaft 351.
It should be noted that the output end of the transmission motor 356 drives the first pulley 353 to rotate, and the transmission belt 355 drives the second pulley 354 to rotate, so that the rotating shaft 351 can rotate.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 9 and 10, a first gear 352 is fixedly installed at the other end of a rotating shaft 351, the first gear 352 and a second gear 322 are in meshing transmission, and the first gear 352 is welded and fixed on the rotating shaft 351.
Specifically, the rotating shaft 351 rotates to drive the first gear 352 to rotate, and the first gear 352 and the second gear 322 are in meshed transmission, so that the second gear 322 rotates to drive the threaded rod 321 to rotate.
According to the rock landslide cause simulation test device under the action of the fracture water pressure of the embodiment of the application, please refer to fig. 7, 9 and 10, the roller 370 is slidably sleeved with the movable rod 360, one end of the movable rod 360 is in threaded connection with the threaded rod 321, and the other end of the movable rod 360 is in slidable connection with the limiting rod 331.
It should be noted that the screw rod 321 drives the movable rod 360 to move on the limiting rod 331, and the roller 370 rolls on the sliding surface during movement.
The working principle of the rock landslide cause simulation test device under the action of fracture water pressure is as follows: when a test model is constructed, rock structures such as sandstone, mudstone and the like are placed above the lifting platform 120, the lifting platform 120 is driven to move up and down through the air cylinder 121, the height of the rock structures is controlled, the hand wheel 313 is manually rotated to drive the worm 312 to rotate, the worm 312 and the worm gear 314 are in meshed transmission, the worm gear 314 is rotated to drive the rotating cylinder 315 to rotate, the rotating angles of the first rotating frame 320 and the second rotating frame 330 are changed, the output end of the transmission motor 356 drives the first belt pulley 353 to rotate, the second belt pulley 354 is driven to rotate through the transmission belt 355, the rotating shaft 351 is rotated, the first gear 352 is driven to rotate due to meshed transmission of the first gear 352 and the second gear 322, the second gear 322 rotates to drive the threaded rod 321 to rotate, the threaded rod 321 drives the moving rod 360 to move on the limiting rod 331, the roller 370 rolls on the sliding surface during movement, the inclination angle between the rock structures such as sandstone, the mudstone and the like is adjusted, the roller 370 rolls on the sliding surface to be close to a landslide condition, and the fence 220 prevents the rock structures such as sandstone, the mudstone structures above the lifting platform 120 from falling off when the actual model is constructed;
during the experiment, the crack of the rock mass above is manually created, the lifting plate 200 rotates and rises above the lifting platform 120, the water in the water tank 130 flows into the cavity through the communicating pipe 131 and the telescopic pipe 132 and is sprayed to the upper part of the rock mass structures such as sandstone and mudstone through the spray head 210, the influence of rainfall weather on the stability of the landslide is simulated, and the research on the cause of the rock mass landslide under the action of the water pressure of the crack is facilitated.
It should be noted that the specific model specifications of the air cylinder 121, the lifting motor 231 and the transmission motor 356 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.
The power supply of the cylinder 121, the lift motor 231, and the driving motor 356 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A rock landslide cause simulation test device under the action of fracture water pressure is characterized by comprising
A rack (100), wherein the rack (100) comprises a test box (110) and a lifting platform (120), and the lifting platform (120) is positioned inside the test box (110);
the device comprises a lifting plate (200), wherein a spray head (210) is installed on the upper side of the lifting plate (200), a fence plate (220) is arranged on the bottom side of the lifting plate (200), and the lifting plate (200) is rotatably connected to the test box (110);
adjusting part (300), adjusting part (300) includes angle modulation spare (310), first rotating turret (320), second rotating turret (330), driving piece (350) and roller (370), angle modulation spare (310) install in proof box (110) one side, first rotating turret (320) with second rotating turret (330) install in angle modulation spare (310) both sides, through angle modulation spare (310) can be right first rotating turret (320) with second rotating turret (330) turned angle adjusts, driving piece (350) install in second rotating turret (330) one side, roller (370) are located first rotating turret (320) with between second rotating turret (330), through driving piece (350) drive roller (370) remove.
2. The device for simulating the cause of the rock landslide under the action of the fracture water pressure as claimed in claim 1, wherein two sides of the test box (110) are provided with observation windows (111), one side of the test box (110) is provided with an operation window (112), and the other side of the test box (110) is provided with a lifting groove (114).
3. The device for simulating the cause of the rock landslide under the action of the fracture water pressure as claimed in claim 1, wherein universal wheels (113) are mounted on the bottom side of the test box (110), a baffle (115) is arranged on the bottom side of the interior of the test box (110), and the baffle (115) and the lifting table (120) are arranged correspondingly.
4. The rock landslide cause simulation test device under the action of the fracture water pressure as claimed in claim 1, wherein a cylinder (121) is arranged on the bottom side of the lifting platform (120), and the cylinder (121) is fixedly installed on the test box (110).
5. The device for simulating the cause of the rock landslide under the action of the fracture water pressure as claimed in claim 1, wherein a water tank (130) is fixedly installed on the upper side of the test box (110), a communicating pipe (131) is communicated with the bottom side of the water tank (130), and a telescopic pipe (132) is communicated with the other end of the communicating pipe (131).
6. The device for simulating the cause of the rock landslide under the action of the fracture water pressure as claimed in claim 5, wherein the lifting plate (200) is provided with a cavity, and the extension tube (132) and the cavity are communicated with the spray head (210).
7. The rock landslide cause simulation test device under the action of the fracture water pressure as claimed in claim 1, wherein a lifting piece (230) is installed on the lifting plate (200), the lifting piece (230) comprises a lifting motor (231), a first connecting rod (232), a second connecting rod (233), a third connecting rod (234) and a fourth connecting rod (235), the lifting motor (231) is fixedly installed on one side of the test box (110), one end of the first connecting rod (232) is rotatably connected to the lifting plate (200), the other end of the first connecting rod (232) is installed at the output end of the lifting motor (231), one end of the fourth connecting rod (235) is rotatably connected to the lifting plate (200), one end of the second connecting rod (233) is rotatably connected to the test box (110), the second connecting rod (233) and the fourth connecting rod (235) are rotatably connected to the third connecting rod (234), and the other end of the third connecting rod (234) is rotatably connected to the first connecting rod (232).
8. The device for simulating rock landslide cause of formation under the action of fracture water pressure as claimed in claim 2, wherein the first rotating frame (320) and the second rotating frame (330) are arranged in parallel, and the first rotating frame (320) and the second rotating frame (330) are rotatably connected to the lifting groove (114).
9. The rock landslide cause simulation test device under the action of the fracture water pressure as claimed in claim 1, wherein the angle adjusting member (310) comprises a worm (312), a worm wheel (314) and a rotating cylinder (315), the worm (312) and the worm wheel (314) are in meshing transmission, the rotating cylinder (315) is fixedly connected to the worm wheel (314), and the first rotating frame (320) and the second rotating frame (330) are respectively and fixedly connected to two ends of the rotating cylinder (315).
10. The device for simulating the cause of the rock landslide under the action of the fracture water pressure as claimed in claim 9, wherein the test box (110) is fixedly connected with an operation box (311), the worm wheel (314) is located inside the operation box (311), and the worm (312) is rotatably connected with the operation box (311).
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| CN202211106797.4A CN115184590B (en) | 2022-09-13 | 2022-09-13 | Rock landslide cause simulation test device under action of fracture water pressure |
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