CN116068148A - Landslide accumulation body forming debris flow movement process simulation device under rainfall condition - Google Patents
Landslide accumulation body forming debris flow movement process simulation device under rainfall condition Download PDFInfo
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- CN116068148A CN116068148A CN202310276219.3A CN202310276219A CN116068148A CN 116068148 A CN116068148 A CN 116068148A CN 202310276219 A CN202310276219 A CN 202310276219A CN 116068148 A CN116068148 A CN 116068148A
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- 238000004088 simulation Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 34
- 230000033001 locomotion Effects 0.000 title claims abstract description 33
- 238000009825 accumulation Methods 0.000 title claims description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 239000007921 spray Substances 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 30
- 239000011435 rock Substances 0.000 abstract description 26
- 238000012876 topography Methods 0.000 abstract description 12
- 239000002689 soil Substances 0.000 description 13
- 238000009966 trimming Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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- 230000008859 change Effects 0.000 description 2
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- 238000004364 calculation method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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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
Abstract
The utility model provides a landslide stack body forms mud-rock flow motion process analogue means under rainfall condition, belongs to ground disaster analog device field, and this landslide stack body forms mud-rock flow motion process analogue means under rainfall condition is including supporting adjustment mechanism, location feed mechanism and rainfall analog mechanism, it includes chassis, bottom plate, transparent cover and first pneumatic cylinder to support adjustment mechanism, location feed mechanism includes electronic slip table, support, first guide arm, first slider, first lead screw, first servo motor, second pneumatic cylinder, second guide arm and hopper, rainfall analog mechanism includes second lead screw, second servo motor, frame, spray tube and second slider, two the second slider symmetry sets up on the second lead screw, a plurality of the spray tube is evenly set up side by side inside the frame, can pile the required all-terrain topography of building test fast and conveniently, carries out all-round simulation test for mud-rock flow formation and motion process.
Description
Technical Field
The application relates to the field of ground disaster simulation equipment, in particular to a landslide accumulation body forming debris flow movement process simulation device under rainfall conditions.
Background
The debris flow is a geological disaster with strong destructiveness, not only severely restricts the local economic development, but also causes great threat to the life and property safety of residents, the forecast prediction is one of the core contents for preventing and controlling the debris flow, and the formation, generation and development processes of the debris flow are comprehensively and scientifically researched from the aspects of topography and rainfall conditions, so that the debris flow has great significance for preventing and controlling the debris flow disaster. Because the mud-rock flow source area and loose and broken scraps are difficult to identify and uncertainty, the mud-rock flow generated by the loose material source is difficult to forecast and predict, so that a rock-soil sample in a specific area is often required to be collected for laboratory simulation, the movement process of the mud-rock flow formed by landslide accumulation bodies under rainfall condition is researched, and scientific and comprehensive data are provided for preventing and treating such mud-rock flow disasters.
At present, the existing mud-rock flow simulation test device is mainly used for simulating a simplified single slope body and matching with rainfall simulation to achieve the purpose of relevant tests, so that all-terrain simulation is difficult to perform, the topography and geological conditions of a mud-rock flow forming area of a landslide accumulation body are complex, the formation mechanism difference of mud-rock flow is large, comprehensive and scientific data are difficult to obtain only through the single slope body simulation test, and therefore the simulation test for simulating the all-terrain conditions of the mud-rock flow forming area of the landslide accumulation body and matching with rainfall simulation to perform mud-rock flow formation and movement processes is particularly important.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the landslide accumulation body formation debris flow movement process simulation device under rainfall conditions is provided, the landslide accumulation body formation debris flow movement process simulation device under rainfall conditions is convenient for simulate the all-terrain landform of the landslide accumulation body debris flow formation area, and more detailed, scientific and comprehensive data are provided for researching the formation mechanism.
The application is realized in such a way that:
the application provides a landslide accumulation body forms mud-rock flow motion process analogue means under rainfall condition including supporting adjustment mechanism, location feed mechanism and rainfall simulation mechanism.
The support adjusting mechanism comprises a bottom frame, a bottom plate, a transparent cover and first hydraulic cylinders, wherein the bottom plate is arranged above the bottom frame, four first hydraulic cylinders are arranged between the bottom plate and the bottom frame, four first hydraulic cylinders are respectively arranged at four corners of the bottom plate, the lower end of each first hydraulic cylinder is rotationally connected with the upper side of the bottom frame, the upper end of a piston rod of each first hydraulic cylinder is rotationally connected with the lower side of the bottom plate, the transparent cover is arranged on the upper side of the bottom plate, the positioning and feeding mechanism comprises an electric sliding table, a bracket, a first guide rod, a first sliding block, a first lead screw, a first servo motor, a second hydraulic cylinder, a second guide rod and a hopper, two electric sliding tables are symmetrically arranged at two sides of the bottom frame, two electric sliding tables are arranged in parallel, two brackets are arranged in parallel, the lower ends of the brackets are fixedly connected with the upper sides of sliding ends of the electric sliding tables, the upper end of the bracket is provided with a first connecting block, two first guide rods are arranged in parallel, two ends of each first guide rod are respectively and fixedly connected with the two first connecting blocks, a first sliding block is arranged between the two first connecting blocks, two first guide rods respectively and slidably penetrate through the first sliding blocks, a first lead screw is arranged between the two first connecting blocks, one end of the first lead screw is rotationally connected with one first connecting block, the other end of the first lead screw rotationally penetrates through the other first connecting block, a first servo motor is arranged outside the other first connecting block, the output end of the first servo motor is fixedly connected with the other end of the first lead screw, a second hydraulic cylinder is arranged in the middle of the upper side of the first sliding block, the top end of a piston rod of the second hydraulic cylinder is provided with a second connecting block, the four second guide rods are symmetrically arranged on two sides of the second hydraulic cylinder, the upper ends of the second guide rods are fixedly connected to the lower sides of one end of the second connecting block, the lower ends of the second guide rods penetrate through the first sliding blocks in a sliding mode, the hopper is arranged below the first sliding blocks, two sides of the hopper are respectively fixedly connected to the lower ends of the second guide rods, the hopper is arranged above the transparent cover, the rainfall simulation mechanism comprises a second lead screw, a second servo motor, a frame, a spray pipe and second sliding blocks, two second servo motors are respectively arranged on two sides of one end of the transparent cover, two second lead screws are symmetrically arranged outside two sides of an upper edge of the transparent cover in parallel, the second servo motor is connected to the second lead screw in a transmission mode, two second sliding blocks are symmetrically arranged on the second lead screw, two ends of the second lead screws penetrate through the two second sliding blocks respectively in a threaded mode, two frames are symmetrically arranged on the upper sides of edges of the transparent cover, two sides of the inner ends of the frame are respectively fixedly connected to two sliding blocks on two side edges of the second sliding blocks, and the two side edges of the second sliding blocks are evenly communicated with each other.
In an embodiment of the present application, the upper side and the lower side at two ends of the chassis are respectively provided with a reinforcing plate, and the lower end of the first hydraulic cylinder is rotationally connected to the upper side of the reinforcing plate.
In one embodiment of the present application, the bottom frame lower side is provided with a plurality of universal wheels, and a plurality of universal wheels are symmetrically arranged on the lower side of the reinforcing plate.
In one embodiment of the present application, two sides of the inlet of the hopper are respectively provided with an extension port, and the first slider is disposed between the two extension ports.
In one embodiment of the present application, a nozzle is disposed at the discharge port at the lower end of the hopper.
In an embodiment of the present application, four third connecting blocks are arranged outside two sides of the upper edge of the transparent cover, and the four third connecting blocks are symmetrically arranged.
In one embodiment of the present application, one end of the second screw is rotatably connected to one of the third connection blocks, and the other end of the second screw is rotatably connected to the other of the third connection blocks.
In an embodiment of the present application, the second servo motor is disposed outside another third connecting block, and an output end of the second servo motor is fixedly connected to the other end of the second screw rod.
In one embodiment of the present application, the two sides of the inner end of the frame are respectively provided with a fourth connecting block, and the fourth connecting blocks are fixedly connected to the upper sides of the second sliding blocks.
In one embodiment of the present application, the nozzle is provided with a plurality of nozzles on the lower side, and the plurality of nozzles are uniformly distributed.
In one embodiment of the application, the landslide accumulation body forming debris flow motion process simulation device under the rainfall condition further comprises an accumulation adjusting mechanism.
The feeding device comprises a feeding device, a feeding device and a feeding device, wherein the feeding device comprises a feeding device, a feeding device and a feeding device, the feeding device comprises a screw feeder, a third servo motor, a feeding head, a third hydraulic cylinder and a connecting pipe, a feeding inlet of the screw feeder is communicated with the feeding head through the connecting pipe, the upper side of the feeding head is rotationally connected with the lower side of the feeding head, the feeding head is communicated with the feeding head, the third servo motor is fixedly connected with the outer side of the feeding head, the feeding device is in transmission connection with the feeding head, a plurality of the third hydraulic cylinders are uniformly arranged around the connecting pipe, the upper end of each third hydraulic cylinder is rotationally connected with the outer side of the feeding inlet of the screw feeder, and the lower end of a piston rod of each third hydraulic cylinder is rotationally connected with the lower side of the feeding device.
In one embodiment of the present application, a gear is disposed at the lower end of the output end of the third servo motor, and a gear ring is disposed at the upper end edge of the pipe head, and the gear is meshed with the gear ring.
In one embodiment of the present application, the landslide accumulation body forming debris flow motion process simulation device under rainfall conditions further comprises a slope trimming mechanism.
The slope trimming mechanism comprises rotating arms, fourth hydraulic cylinders, straight arms, fifth hydraulic cylinders, sixth hydraulic cylinders and a bucket, wherein the rotating arms are symmetrically arranged on two sides of the screw feeder, the rotating arms are rotationally connected to the outer sides of the screw feeder, connecting shafts are arranged between the two rotating arms, which are close to one ends of the hoppers, the connecting shafts rotationally penetrate through one ends of the fourth hydraulic cylinders, tail ends of piston rods of the fourth hydraulic cylinders are rotationally connected to the upper sides of the screw feeder, the upper ends of the straight arms are rotationally connected to the rotating arms, which are far away from one ends of the hoppers, the lower ends of the straight arms are rotationally connected to the upper sides of the bucket, one ends of the fifth hydraulic cylinders are rotationally connected to the outer sides of the rotating arms, the tail ends of the piston rods of the fifth hydraulic cylinders are rotationally connected to the outer sides of the straight arms, one ends of the sixth hydraulic cylinders are rotationally connected to the outer sides of the straight arms, and tail ends of the piston rods of the sixth hydraulic cylinders are rotationally connected to the back sides of the bucket.
In one embodiment of the present application, the inlet lower edge of the bucket is provided with a plurality of bucket teeth, and the plurality of bucket teeth are uniformly distributed.
In one embodiment of the present application, the bucket back side lower end edge is provided with a plurality of row teeth, and a plurality of row teeth are evenly distributed.
The beneficial effects of this application are: according to the device, when the device is used, the whole test device is moved to a proper position, the inclination angle of the bottom plate and the transparent cover can be adjusted through the first hydraulic cylinder according to actual test requirements, the second lead screw is driven by the second servo motor to drive the two second sliding blocks to drive the two frames to open towards the two ends of the transparent cover, rock and soil samples required by a test are added into the hopper, the support is driven by the electric sliding table, the first lead screw is driven by the first servo motor to enable the first sliding blocks to move along the first guide rod, the position of the hopper above the transparent cover is adjusted, the second guide rod is driven to change the height of the hopper according to requirements, the rock and soil samples are released, the simulated topography and slope surface required by the building test are restored, after the frame is reset, the required monitoring equipment and the sensor are arranged, the device can simulate rainfall through the spray pipe, the landslide pile body under the rainfall condition is started to form a simulation test of the movement process, the required simulated topography can be conveniently piled out, the real topography and the landslide condition is prevented and cured, the real and the detailed data and the detailed movement are comprehensively researched, and the complete foundation is formed, and the scientific and the process is studied.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a three-dimensional structure of a simulation device for a debris flow motion process formed by a landslide accumulation body under rainfall conditions provided by an embodiment of the application;
fig. 2 is a schematic structural diagram of a support adjusting mechanism, a positioning feeding mechanism and a rainfall simulation mechanism according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a support adjusting mechanism and a rainfall simulation mechanism according to an embodiment of the present application;
fig. 4 is an enlarged schematic structural diagram at a provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a hopper, a stacker adjustment mechanism and a slope trimming mechanism according to an embodiment of the present disclosure;
fig. 6 is an enlarged schematic view of a structure at B according to an embodiment of the present application;
fig. 7 is an enlarged schematic structural diagram at C according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a slope trimming mechanism according to an embodiment of the present application.
In the figure: 100-supporting an adjusting mechanism; 110-a chassis; 111-reinforcing plates; 112-universal wheels; 120-a bottom plate; 130-a transparent cover; 140-a first hydraulic cylinder; 200-positioning a feeding mechanism; 210-an electric slipway; 220-a bracket; 221-a first connection block; 230-a first guide bar; 240-a first slider; 250-a first lead screw; 260-a first servomotor; 270-a second hydraulic cylinder; 271-a second connection block; 280-a second guide bar; 290-hopper; 291-extension port; 292-tube orifice; 300-a rainfall simulation mechanism; 310-a second lead screw; 311-a third connecting block; 320-a second servo motor; 330-a frame; 331-fourth connecting block; 340-spraying pipe; 341-nozzles; 350-a second slider; 400-stacking adjusting mechanism; 410-screw feeder; 420-a third servo motor; 421-gear; 430-tube head; 431-ring gear; 440-a third hydraulic cylinder; 450-connecting pipes; 500-slope finishing mechanism; 510-rotating arms; 511-a connecting shaft; 520-fourth hydraulic cylinder; 530-straight arms; 540-fifth hydraulic cylinder; 550-sixth hydraulic cylinder; 560-bucket; 561-bucket teeth; 570-row of teeth.
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.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, 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 apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.
As shown in fig. 1 to 8, the simulation device for the movement process of forming the debris flow on the landslide accumulation body under the rainfall condition according to the embodiment of the application comprises a support adjusting mechanism 100, a positioning feeding mechanism 200, a rainfall simulation mechanism 300, a stacking adjusting mechanism 400 and a slope trimming mechanism 500, wherein the positioning feeding mechanism 200 is arranged above the support adjusting mechanism 100, so that the simulation terrain for the stacking test is facilitated, the rainfall simulation mechanism 300 is arranged between the support adjusting mechanism 100 and the positioning feeding mechanism 200, the simulation of artificial rainfall is facilitated, the stacking adjusting mechanism 400 is arranged below the positioning feeding mechanism 200, the collected rock and soil sample for the test can be further stacked accurately, and the slope trimming mechanism 500 can further adjust the simulation terrain and trim the slope of the simulation slope after the stacking is completed.
According to some embodiments of the present application, as shown in fig. 2-4, the supporting and adjusting mechanism 100 includes a chassis 110, a bottom plate 120, a transparent cover 130 and a first hydraulic cylinder 140, the bottom plate 120 is disposed above the chassis 110, four first hydraulic cylinders 140 are disposed between the bottom plate 120 and the chassis 110, four first hydraulic cylinders 140 are disposed at four corners of the bottom plate 120, the lower ends of the first hydraulic cylinders 140 are rotationally connected to the upper side of the chassis 110, the upper ends of piston rods of the first hydraulic cylinders 140 are rotationally connected to the lower side of the bottom plate 120, the transparent cover 130 is disposed on the upper side of the bottom plate 120, the upper sides and the lower sides of two ends of the chassis 110 are respectively provided with a reinforcing plate 111, the lower ends of the first hydraulic cylinders 140 are rotationally connected to the upper side of the reinforcing plate 111, a plurality of universal wheels 112 are symmetrically disposed on the lower side of the reinforcing plate 111, and according to test requirements, the inclination angle of the bottom plate 120 can be adjusted by the first hydraulic cylinders 140, thereby facilitating rapid stacking of simulated terrains and slopes meeting test requirements.
According to some embodiments of the present application, as shown in fig. 2 and 5, the positioning and feeding mechanism 200 includes an electric sliding table 210, a bracket 220, a first guide rod 230, a first slider 240, a first lead screw 250, a first servo motor 260, a second hydraulic cylinder 270, a second guide rod 280 and a hopper 290, wherein the two electric sliding tables 210 are symmetrically disposed at two sides of the chassis 110, the two electric sliding tables 210 are disposed in parallel, the two brackets 220 are disposed in parallel, the lower ends of the brackets 220 are fixedly connected to the upper sides of the sliding ends of the electric sliding tables 210, the upper ends of the brackets 220 are provided with a first connecting block 221, the two first guide rods 230 are disposed in parallel, the two ends of the first guide rod 230 are respectively fixedly connected to the two first connecting blocks 221, the first slider 240 is disposed between the two first connecting blocks 221, the two first guide rods 230 respectively slide through the first slider 240, the first lead screw 250 is disposed between the two first connecting blocks 221, one end of the first lead screw 250 is rotationally connected with one first connecting block 221, the other end of the first lead screw 250 is rotationally penetrated through the other first connecting block 221, the first servo motor 260 is arranged outside the other first connecting block 221, the output end of the first servo motor 260 is fixedly connected with the other end of the first lead screw 250, the second hydraulic cylinder 270 is arranged in the middle of the upper side of the first sliding block 240, the top end of a piston rod of the second hydraulic cylinder 270 is provided with a second connecting block 271, four second guide rods 280 are symmetrically arranged on two sides of the second hydraulic cylinder 270, the upper end of the second guide rod 280 is fixedly connected with the lower side of one end of the second connecting block 271, the lower end of the second guide rod 280 is glidingly penetrated through the first sliding block 240, the hopper 290 is arranged below the first sliding block 240, two sides of the hopper 290 are respectively fixedly connected with the lower end of the second guide rod 280, the hopper 290 is arranged above the transparent cover 130, the two sides of an inlet of the hopper 290 are respectively provided with extension ports 291, the first slider 240 is arranged between the two extending openings 291, the extending openings 291 are favorable for adding a rock and soil sample into the hopper 290, scattering is reduced or avoided, the bracket 220 is driven by the electric sliding table 210, the first lead screw 250 is driven by the first servo motor 260 to enable the first slider 240 to move along the first guide rod 230, the position of the hopper 290 above the transparent cover 130 is adjusted, the height of the second connecting block 271 is changed through the second hydraulic cylinder 270 as required, the height of the hopper 290 is further driven by the second guide rod 280 to be changed, and thus the simulated landform and slope can be quickly piled up.
According to some embodiments of the present application, as shown in fig. 2-4, the rainfall simulation mechanism 300 includes a second lead screw 310, a second servo motor 320, a frame 330, spray pipes 340 and a second slider 350, where the two second servo motors 320 are respectively disposed at two sides of one end of the transparent cover 130, the two second lead screws 310 are symmetrically disposed in parallel at two outsides of the upper edge of the transparent cover 130, the second servo motors 320 are in transmission connection with the second lead screws 310, the two second sliders 350 are symmetrically disposed on the second lead screws 310, two ends of the second lead screws 310 respectively penetrate through the two second sliders 350 in a threaded manner, the two frames 330 are symmetrically disposed at the upper sides of the edges of the transparent cover 130, two sides of the inner ends of the frames 330 are respectively fixedly connected to the upper sides of the two second sliders 350, the plurality of spray pipes 340 are uniformly disposed in parallel inside the frame 330, the plurality of spray pipes 340 are mutually communicated, four third connection blocks 311 are disposed at two outsides of the upper edge of the transparent cover 130, the four third connecting blocks 311 are symmetrically arranged, one end of the second lead screw 310 is rotationally connected with one third connecting block 311, the other end of the second lead screw 310 is rotationally penetrated through the other third connecting block 311, the second servo motor 320 is arranged at the outer side of the other third connecting block 311, the output end of the second servo motor 320 is fixedly connected with the other end of the second lead screw 310, the two sides of the inner end of the frame 330 are respectively provided with a fourth connecting block 331, the fourth connecting block 331 is fixedly connected with the upper side of the second slider 350, the lower side of the spray pipe 340 is provided with a plurality of spray nozzles 341, the spray nozzles 341 are uniformly distributed, the second lead screw 320 is driven by the second servo motor 320 to drive the two second sliders 350 to drive the two frames 330 to be opened towards the two ends of the transparent cover 130, the pile of a rock-soil sample is not prevented from being input through the hopper 290 to simulate the landform, and the frame 330 is reset, namely rainfall is simulated through the spray pipe 340 and the spray nozzle 341, and a simulation test of the movement process of the landslide accumulation body forming the debris flow under the rainfall condition is started.
According to some embodiments of the present application, as shown in fig. 2 and fig. 5-7, when the loading mechanism 200 is positioned to perform the stacking of the simulated topography and the slope, if the falling point of the rock-soil sample in the transparent cover 130 cannot be controlled more accurately, it is difficult to rapidly and accurately stack the simulated topography and the slope required by the test, which is not beneficial to the monitoring of the simulation test, and affects the accuracy and the test efficiency of the final acquired data, the stacking adjustment mechanism 400 includes a screw feeder 410, a third servo motor 420, a tube head 430, a third hydraulic cylinder 440 and a connecting pipe 450, the feeding port of the screw feeder 410 is communicated with the tube head 430 through the connecting pipe 450, a tube port 292 is arranged at the discharging port of the lower end of the tube head 290, the upper side of the tube head 430 is rotationally connected to the lower side of the tube port 292, the third servo motor 420 is fixedly connected to the outer side of the tube port 292, the third servo motor 420 is connected with the pipe head 430 in a transmission way, a plurality of third hydraulic cylinders 440 are uniformly arranged around the connecting pipe 450, the upper ends of the third hydraulic cylinders 440 are rotationally connected with the outer side of the pipe head 430, the lower ends of piston rods of the third hydraulic cylinders 440 are rotationally connected with the circumferential side of a feed inlet of the screw feeder 410, the lower ends of output ends of the third servo motor 420 are provided with gears 421, the upper edges of the pipe head 430 are provided with gear rings 431, the gears 421 are meshed with the gear rings 431, after a rock sample is added into the hopper 290, after the hopper 290 is adjusted to a proper position above the transparent cover 130, the screw feeder 410 can be started to input the rock sample into the transparent cover 130 for building the simulated topography, the angle of the screw feeder 410 can be adjusted by the third hydraulic cylinders 440, the screw feeder 410 can be driven by the third servo motor 420 to integrally rotate the screw feeder 410 by a certain amplitude, so can cooperate location feed mechanism 200 to input the translucent cover 130 with rock and soil sample more accurately, accomplish the heap of simulation topography and slope body domatic fast accurately, do benefit to the accuracy that guarantees landslide stack body formation mud-rock flow motion process analogue test under the rainfall condition and acquire the integrality and the scientificity of data, improve analogue test's quality and efficiency.
According to some embodiments of the present application, as shown in fig. 7-8, after the simulated topography and slope are piled up in the transparent cover 130, since the rock and soil sample is deposited by falling under the action of gravity, it is often difficult to directly pile up the simulated slope strictly meeting the test requirements, if the simulated slope cannot be further trimmed, the simulated slope will be difficult to completely meet the test requirements, and the accuracy and scientificity of the test are affected, the slope trimming mechanism 500 includes a rotating arm 510, a fourth hydraulic cylinder 520, a straight arm 530, a fifth hydraulic cylinder 540, a sixth hydraulic cylinder 550 and a bucket 560, two rotating arms 510 are symmetrically disposed at both sides of the screw feeder 410, the rotating arm 510 is rotatably connected to the outside of the screw feeder 410, a connecting shaft 511 is disposed between the ends of the two rotating arms 510 near the hopper 290, the connecting shaft 511 is rotatably penetrated through one end of the fourth hydraulic cylinder 520, the tail end of a piston rod of the fourth hydraulic cylinder 520 is rotationally connected to the upper side of the screw feeder 410, the upper ends of the straight arms 530 are rotationally connected to one end of the rotating arm 510 far away from the hopper 290, the lower ends of the two straight arms 530 are respectively rotationally connected to the upper side of the bucket 560, one end of the fifth hydraulic cylinder 540 is rotationally connected to the outer side of the rotating arm 510, the tail end of the piston rod of the fifth hydraulic cylinder 540 is rotationally connected to the outer side of the straight arm 530, one end of the sixth hydraulic cylinder 550 is rotationally connected to the outer side of the straight arm 530, the tail end of the piston rod of the sixth hydraulic cylinder 550 is rotationally connected to the back side of the bucket 560, a plurality of bucket teeth 561 are arranged at the lower edge of the inlet of the bucket 560, a plurality of row teeth 570 are uniformly distributed, after a rock soil sample is input into the transparent cover 130 and a simulated terrain is piled, the screw feeder 410 is closed, the angle and the position of the tail end of the screw feeder 410 are adjusted by matching the positioning feeding mechanism 200 and the stacking adjusting mechanism 400, the rotating arm 510, the straight arm 530 and the bucket 560 are unfolded by the fourth hydraulic cylinder 520, the fifth hydraulic cylinder 540 and the sixth hydraulic cylinder 550, the simulated slope landform which is formed by preliminary stacking in the transparent cover 130 is further dug, and the simulated slope is subjected to finer trimming by the bucket teeth 561 and the row teeth 570, so that the simulated landform and the slope are more accurate, and the scientificity, the accuracy and the comprehensiveness of a simulation test of the landslide stacking body forming the debris flow motion process under the rainfall condition are improved.
Specifically, the landslide accumulation body forms the work principle of the debris flow motion process simulation device under the rainfall condition: when the device is used, the whole testing device is moved to a proper position, the inclination angles of the bottom plate 120 and the transparent cover 130 can be adjusted through the first hydraulic cylinder 140 according to actual testing requirements, the second lead screw 310 is driven by the second servo motor 320 to drive the two second sliding blocks 350 to drive the two frames 330 to open towards the two ends of the transparent cover 130, a rock and soil sample required by the testing is added into the hopper 290, the bracket 220 is driven by the electric sliding table 210, the first lead screw 250 is driven by the first servo motor 260 to drive the first sliding block 240 to move along the first guide rod 230, the position of the hopper 290 above the transparent cover 130 is adjusted, the height of the second connecting block 271 is changed through the second hydraulic cylinder 270 according to requirements, the second guide rod 280 is driven to change the height of the hopper 290, after the hopper 290 is adjusted to a proper position above the transparent cover 130, the screw feeder 410 can be started to input the rock and soil sample into the transparent cover 130 to simulate the pile of the topography, the third hydraulic cylinder 440 can adjust the angle of the screw feeder 410, the third servo motor 420 drives the pipe head 430 to rotate the screw feeder 410 in a certain extent, so that the rock and soil sample can be more accurately input into the transparent cover 130 by matching with the positioning feeding mechanism 200, the pile of the simulated landform and the slope can be rapidly and accurately completed, the screw feeder 410 is closed, the rotating arm 510, the straight arm 530 and the bucket 560 are unfolded by the fourth hydraulic cylinder 520, the fifth hydraulic cylinder 540 and the sixth hydraulic cylinder 550, the angle and the position of the tail end of the screw feeder 410 and the bucket 560 are adjusted by matching with the positioning feeding mechanism 200 and the pile adjusting mechanism 400, the simulated landform which is preliminarily piled in the transparent cover 130 is further excavated in a whole manner, the simulated landform and the slope are more finely trimmed by the bucket teeth 561 and the row teeth 570, so as to obtain the more accurate simulated landform and the slope, then the framework 330 is reset, after the required monitoring equipment and sensors are arranged, rainfall can be simulated through the spray pipe 340 and the spray nozzle 341, and a simulation test of the movement process of the debris flow formed by the landslide accumulation body under the rainfall condition is started, so that the required full-landform and landform for simulation can be conveniently piled up, and the comprehensive and detailed simulation test of the formation and movement process of the debris flow of the landslide accumulation body under the rainfall condition is carried out, so that comprehensive, scientific and detailed data are obtained, and a solid scientific basis is provided for preventing, curing and researching the debris flow.
It should be noted that, specific model specifications of the electric sliding table 210, the first servo motor 260, the second servo motor 320, the screw feeder 410 and the third servo motor 420 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts a prior art in the art, so that detailed descriptions thereof are omitted.
The power supply of the electric slipway 210, the first servo motor 260, the second servo motor 320, the screw feeder 410 and the third servo motor 420 and the principle thereof will be clear to a person skilled in the art and will not be described in detail here.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. Device for simulating movement process of landslide accumulation body forming debris flow under rainfall condition, which is characterized by comprising
The support adjusting mechanism (100), the support adjusting mechanism (100) comprises a bottom frame (110), a bottom plate (120), a transparent cover (130) and first hydraulic cylinders (140), the bottom plate (120) is arranged above the bottom frame (110), four first hydraulic cylinders (140) are arranged between the bottom plate (120) and the bottom frame (110), the four first hydraulic cylinders (140) are respectively arranged at four corners of the bottom plate (120), the lower ends of the first hydraulic cylinders (140) are rotationally connected to the upper side of the bottom frame (110), the upper ends of piston rods of the first hydraulic cylinders (140) are rotationally connected to the lower side of the bottom plate (120), and the transparent cover (130) is arranged on the upper side of the bottom plate (120);
positioning feeding mechanism (200), positioning feeding mechanism (200) includes electric slipway (210), support (220), first guide arm (230), first slider (240), first lead screw (250), first servo motor (260), second pneumatic cylinder (270), second guide arm (280) and hopper (290), two electric slipway (210) symmetry sets up chassis (110) both sides, two electric slipway (210) parallel arrangement, two support (220) parallel arrangement, support (220) lower extreme fixed connection in the sliding end upside of electric slipway (210), support (220) upper end is provided with first connecting block (221), two first guide arm (230) parallel arrangement, first guide arm (230) both ends are fixed connection respectively in two first connecting block (221), first slider (240) set up two between first connecting block (221), two first guide arm (230) slide respectively run through first slider (240), first lead screw (250) other end set up in between first lead screw (250) first connecting block (250), the first servo motor (260) is arranged on the outer side of the other first connecting block (221), the output end of the first servo motor (260) is fixedly connected to the other end of the first screw rod (250), the second hydraulic cylinder (270) is arranged in the middle of the upper side of the first slide block (240), the top end of a piston rod of the second hydraulic cylinder (270) is provided with a second connecting block (271), four second guide rods (280) are symmetrically arranged on two sides of the second hydraulic cylinder (270), the upper end of each second guide rod (280) is fixedly connected to the lower side of one end of each second connecting block (271), the lower end of each second guide rod (280) penetrates through the first slide block (240) in a sliding mode, the hopper (290) is arranged below the first slide block (240), two sides of the hopper (290) are fixedly connected to the lower end of each second guide rod (280), and the hopper (290) is arranged above the transparent cover (130);
rainfall simulation mechanism (300), rainfall simulation mechanism (300) include second lead screw (310), second servo motor (320), frame (330), spray tube (340) and second slider (350), two second servo motor (320) set up respectively transparent cover (130) one end both sides, two second lead screw (310) parallel symmetry set up transparent cover (130)'s upside mouth both sides outside, second servo motor (320) transmission connect in second lead screw (310), two second slider (350) symmetry set up on second lead screw (310), second lead screw (310) both ends screw run through respectively in two second slider (350), two frame (330) symmetry set up transparent cover (130) mouth upside, frame (330) inner both sides are fixed connection respectively in two second slider (350) upside, a plurality of spray tube (340) evenly set up inside frame (330), a plurality of parallel spray tube (340) communicate each other.
2. The device for simulating the movement process of the landslide accumulation body into the debris flow under the rainfall condition according to claim 1, wherein the upper side and the lower side of the two ends of the underframe (110) are respectively provided with a reinforcing plate (111), and the lower end of the first hydraulic cylinder (140) is rotatably connected to the upper side of the reinforcing plate (111).
3. The landslide accumulation body formation debris flow motion process simulation device under rainfall conditions according to claim 2, wherein a plurality of universal wheels (112) are arranged on the lower side of the underframe (110), and the universal wheels (112) are symmetrically arranged on the lower side of the reinforcing plate (111).
4. The landslide accumulation body forming debris flow motion process simulation device according to claim 1, wherein the two sides of the inlet of the hopper (290) are respectively provided with an extension port (291), and the first slider (240) is arranged between the two extension ports (291).
5. The landslide accumulation body forming debris flow motion process simulation device under rainfall conditions according to claim 1, wherein a nozzle (292) is arranged at a discharge hole at the lower end of the hopper (290).
6. The device for simulating the movement process of the landslide accumulation body to form the debris flow under the rainfall condition according to claim 1, wherein four third connecting blocks (311) are arranged outside two sides of the upper edge opening of the transparent cover (130), and the four third connecting blocks (311) are symmetrically arranged.
7. The device for simulating the movement process of the landslide accumulation body into the debris flow under the rainfall condition according to claim 6, wherein one end of the second lead screw (310) is rotatably connected to one third connecting block (311), and the other end of the second lead screw (310) is rotatably penetrated through the other third connecting block (311).
8. The device for simulating the movement process of the debris flow formed by the landslide accumulation body under the rainfall condition according to claim 7, wherein the second servo motor (320) is arranged outside the other third connecting block (311), and the output end of the second servo motor (320) is fixedly connected to the other end of the second screw rod (310).
9. The device for simulating the movement process of the landslide accumulation body to form the debris flow under the rainfall condition according to claim 1, wherein the two sides of the inner end of the frame (330) are respectively provided with a fourth connecting block (331), and the fourth connecting blocks (331) are fixedly connected to the upper side of the second sliding block (350).
10. The landslide accumulation body forming debris flow motion process simulation device under rainfall conditions according to claim 1, wherein a plurality of nozzles (341) are arranged on the lower side of the spray pipe (340), and the plurality of nozzles (341) are uniformly distributed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500241A (en) * | 2023-06-21 | 2023-07-28 | 深圳市勘察研究院有限公司 | Abrupt slope cracking test device under rainfall effect |
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Inventor after: Song Zhi Inventor after: Zhan Yunxin Inventor after: Chen Yanni Inventor after: Xiang Guihua Inventor before: Song Zhi Inventor before: Xiang Guihua Inventor before: Chen Yanni Inventor before: Zhan Yunxin |