CN211528392U - Physical test device for exploring rainfall induced landslide mechanism - Google Patents
Physical test device for exploring rainfall induced landslide mechanism Download PDFInfo
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- CN211528392U CN211528392U CN201921416931.4U CN201921416931U CN211528392U CN 211528392 U CN211528392 U CN 211528392U CN 201921416931 U CN201921416931 U CN 201921416931U CN 211528392 U CN211528392 U CN 211528392U
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Abstract
The utility model belongs to the technical field of the landslide detects, particularly, relate to a explore physical test device that rainfall induced landslide mechanism. The system comprises a water receiving tank, a water receiving tank water level control door, water receiving tank idler wheels, a rainfall system supporting body, a rotary rainfall simulation system, a landslide simulation device, a slope simulation plate, a hydraulic gradient regulator, a flood simulation device, a flood device control door, a water suction pump, a water delivery pipe, a main control plate, a base, a full-automatic camera, an electric wire, a rotating motor, a rotating shaft, a triangular guide plate, a guide pulley and a rope fixing column. The rainfall simulation device can simulate rainfall induced landslide under different contact surfaces, different slopes and different rainfall amounts and submergence induced landslide under extreme conditions, and the rainfall simulation system adopts an innovative rotary rainfall simulation system to ensure uniform rainfall on a soil body. The whole experiment process can be recorded by a full-automatic camera and is wirelessly transmitted to a remote terminal to be watched and stored.
Description
Technical Field
The invention belongs to the technical field of landslide detection, and particularly relates to a physical test device for exploring a rainfall-induced landslide mechanism.
Background
Landslide is one of the main forms of geological natural disasters, and rainfall is one of the main factors inducing landslide. Along with the increase of rainfall, rainwater in the side slope can generate great buoyancy on the surface soil of the side slope, so that the formation pressure is obviously reduced, the friction force is obviously reduced, and mountain landslide occurs. At present, the prior art and the device are difficult to provide precipitation induced landslide simulation under various conditions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to the practical requirements, and provide a physical test device for exploring a rainfall-induced landslide mechanism, which can be used for simulating rainfall-induced landslides under different slopes, different contact surfaces and different rainfall conditions.
The invention is realized by the following technical scheme.
The invention relates to a physical test device for exploring a rainfall induced landslide mechanism, which comprises a water receiving tank 1, a water receiving tank water level control door 2, a water receiving tank roller 3, a rainfall system supporting body 4, a rotary rainfall simulation system 5, a landslide simulation device 6, a slope simulation plate 7, a hydraulic gradient regulator 8, a water overflowing simulation device 9, a water overflowing device control door 10, a water suction pump 11, a water delivery pipe 12, a master control plate 13, a base 14, a full-automatic camera 15, an electric wire 16, a rotating motor 41, a rotating shaft 42, a triangular guide plate 91, a guide pulley 92 and a rope fixing column 101.
The water receiving tank 1 is located at the lowest part of the whole device and is used for storing rainwater with partial substances in soil flowing down from the landslide simulation device 6, and therefore the water and soil loss condition is measured. Its lower part is equipped with 4 water receiving tank gyro wheels 3, and lockable prevents that water receiving tank 1 from sliding in the experimentation, but unblock after the experiment, be convenient for promote water receiving tank 1, push away to the discarded object clearance district, clear up its inside material. The water receiving tank water level control door 2 can be used for adjusting the size of the water volume in the water receiving tank 1 and matching with the experiment requirement. The water receiving tank roller 3 is convenient for pushing the water receiving tank 1 to a waste material cleaning position so as to clean materials in the water receiving tank. The rainfall system support bodies 4 are positioned at the left side and the right side of the whole device and are used for supporting and rotating the rotary rainfall simulation system 5, and water conveying pipes 12 and electric wires 16 are laid in the rainfall system support bodies to provide water and electric energy for the rotary rainfall simulation system 5. The rotary rainfall simulation system 5 is positioned above the rainfall system support body 4, the rainfall simulation is controlled by the master control board 13, the divergent water spraying devices are distributed on the same hole site, and the rotary rainfall simulation system can periodically rotate along the shaft under the control of the system so as to ensure the uniformity of the rainfall simulation. The landslide simulation device 6 is located in the center of the device and is mainly used for bearing a soil body to be tested, the bottom of the landslide simulation device can be inserted into fixed slope simulation plates 7 on different surfaces, so that landslide conditions under different contact surfaces can be simulated, and the slope can be adjusted through a hydraulic slope adjuster 8, so that landslide conditions under different slopes can be simulated. Different domatic analog board 7 has different surfaces, changes and to simulate the landslide condition of different contact surfaces, and all domatic analog boards 7 divide equally into two halves about, insert the back concatenation from the left and right sides of landslide analog device 6 bottom respectively to through 10 magnets of two domatic analog board 7 adjacent side evenly arranged, lock as an organic whole. The hydraulic gradient regulator 8 is located below the landslide simulation device 6, is connected with the landslide simulation device 6, is controlled to ascend and descend by the master control board 13, and can regulate the gradient and the height of the landslide simulation device 6 so as to simulate the landslide condition under the condition of different gradients and facilitate the placement of the water receiving tank 1. The overflowing water simulation device 9 is located at the uppermost part of the device, water is stored through the water suction pump 11, after the water quantity is sufficient, the rope fixed on the rope fixing column 101 is loosened, the overflowing water device control door 10 is opened through water pressure, a large amount of water scours soil bodies in the landslide simulation device 6, and therefore landslide under the condition of extreme overflowing water is simulated. The water overflowing device control door 10 is controlled by a rope, is closed when the water overflowing simulation device 9 stores water, and is opened when extreme infiltration landslide is simulated, so that a large amount of water in the water overflowing simulation device 9 can rush into the landslide simulation device 6 at a high speed, and the extreme infiltration landslide condition is simulated. The water pump 11 is controlled by a main control board 13 to pump water into the water overflowing simulation device 9. The water pipe 12 is laid in the base 14, the rainfall system support 4 and the pipeline connected with the water pump 11 and is used for transmitting water required under the conditions of simulating rainfall and simulating extreme water immersion. The master control board 13 is arranged behind the device, and can control the rainfall capacity of the rotary rainfall simulation system 5, the gradient of the landslide simulation device 6, the opening and closing of the water overflowing device control door 10, the opening and closing of the water suction pump 11 and the water suction speed, and provide electric energy for the devices. The base 14 is located at the lowest part of the device and is used for laying the water conveying pipe 12 and the electric wire 16 and connecting all parts of the device.
The connection relationship of each part of the invention is as follows:
the lower part of the water receiving tank 1 is provided with 4 water receiving tank rollers 3, and each water receiving tank roller 3 is connected with the water receiving tank 1 through four bolts uniformly distributed on the circumference.
The upper edge of the water receiving tank water level control door 2 is connected with the upper edge of the reserved strip-shaped hole of the water receiving tank 1 through a hinge, the lower edge of the water receiving tank water level control door is provided with a bolt which is matched with a hole type connecting piece on the water receiving tank 1, and the position of the water receiving tank water level control door 2 is locked when the water receiving tank water level control door 2 is closed. Sealing strips are arranged on the lower side and the left side and the right side of the water receiving tank water level control door 2, so that water is prevented from leaking when the water receiving tank water level control door 2 is closed.
The rainfall system support body 4 and the base 14 are integrated, a rotating shaft 42 penetrating through the rotary rainfall simulation system 5 is arranged at the upper part of the rainfall system support body, a rectangular protrusion is arranged on the rotating shaft 42 along the radial direction and matched with a rectangular groove at the inner side of the rotary rainfall simulation system 5 to prevent relative sliding between the two, two rotating motors 41 are arranged at two ends of the rotating shaft 42, and the rotating motors 41 can drive the rotating shaft 42 to rotate. A water delivery pipe 12 and an electric wire 16 are laid inside the rainfall system supporting body 4, the water delivery pipe 12 penetrates through the rainfall system supporting body 4, enters the rotary rainfall simulation system 5 and is connected with a water spraying device in the rotary rainfall simulation system 5, the rotary rainfall simulation system 5 is used for providing rainfall simulation water, and the electric wire 16 is connected with the rotating motor 41 and the water spraying device in the rotary rainfall simulation system 5, is used for providing electric energy for the rotary rainfall simulation system and the water spraying device in the rotary rainfall simulation system 5, and transmits signals of a master control board 13.
The rotary rainfall simulation system 5 is a hollow cylindrical device, and a rectangular groove which can be matched with the rectangular protrusion of the rotating shaft 42 in the rainfall system support body 4 is formed in the inner circle, so that relative sliding between the two is prevented when the two rotate. The rotary rainfall simulation system 5 is uniformly provided with holes along the radial direction at two symmetrical sides, the holes at one side are used for penetrating into the water conveying pipe 12 and the electric wires 16, so that the water conveying pipe 12 and the electric wires 16 bypass the inner circle along the circumferential direction of the cylinder, are connected with the water spraying device at the other side, provide water and electric energy for the water spraying device, and transmit signals of the main control panel 13. And a water spraying device is arranged in the hole on the other side, and sprays water through the hole on the side to form rainfall simulation.
The landslide simulation device 6 is connected with the two hydraulic gradient regulators 8 through a connecting piece with a rotating shaft, the upper portion of the connecting piece is a rectangular metal plate, 8 screw holes are uniformly distributed in the connecting piece and connected with the landslide simulation device 6 through 8 bolts, and the rotating shaft at the lower portion of the connecting piece is connected with the hydraulic gradient regulators 8. The bottom of the landslide simulation device 6 is provided with a rectangular groove for placing a slope simulation plate 7, the left side and the right side of the groove penetrate through supporting baffles on two sides of the landslide simulation device 6, and rectangular holes in the corresponding supporting baffles on two sides are used for inserting the slope simulation plate 7. The upper part and the lower part of the landslide simulation device 6 are regulated and controlled by two hydraulic gradient regulators 8, no matter how the gradient of the landslide simulation device 6 is, the upper part is always positioned below a water overflowing device control door 10 and can receive a large amount of water discharged by the water overflowing simulation device 9, and the lower part is always positioned below a water receiving tank 1, so that the water receiving tank can completely receive water flowing down from the landslide simulation device 6.
Each slope surface simulation plate 7 consists of a left part and a right part, and the two parts are respectively inserted into the grooves from the left side and the right side of the landslide simulation device 6 and are spliced into a whole through 10 magnets uniformly distributed on the adjacent sides.
The bottom of the hydraulic gradient regulator 8 is connected with the base 14 through a bolt, and the upper part of the hydraulic gradient regulator is connected with the landslide simulation device 6 through a connecting piece with a rotating shaft. An electric wire 16 passes through the base 14 to be connected with the hydraulic gradient regulator 8, provides electric energy for the hydraulic gradient regulator and transmits a signal to the master control board 13 to the hydraulic gradient regulator 8.
Four supporting columns of the flooding simulation device 9 are fixed on the base 14 through bolts and are fixedly connected with the water suction pump 11 through bolts. A circular hole is formed in one side, far away from the landslide, of the overflowing water simulation device 9 and used for guiding water input by the water conveying pipe 12 in the horizontal direction, a rectangular opening used for releasing water for simulating extreme infiltration is formed in one side, close to the landslide simulation device 6, of the overflowing water simulation device, triangular guide plates 91 are arranged on two sides of the opening and used for preventing water from overflowing towards two sides, and the lower side of the opening is connected with the overflowing water device control door 10 through a hinge. The sealing strips are arranged on the periphery of the rectangular opening, and when the water overflowing device control door 10 is closed, water can be prevented from flowing out of the gap. A guide pulley 92 is fixed at the center of the upper edge of the rear part of the flooding simulator 9 through a bolt.
One end of the flood control door 10 is connected with the lower side of a rectangular opening arranged on the flood simulator 9 through a hinge, a rope is fixed in the middle of the other end of the flood control door, the rope bypasses a guide pulley on the upper portion of the flood simulator 9 and then vertically descends, the tail end of the rope is wound on a rope fixing column 101 arranged on a supporting column of the flood simulator 9, when the flood control door 10 is closed, the rope is pulled to be closed, and the rope is wound on the rope fixing column. When the water overflowing device controls the door 10 to be opened, the rope is released, and the water pressure in the water overflowing simulating device 9 is used for flushing the door.
The water pump 11 is fixed behind the overflowing simulating device 9 through bolts and connected with the two water conveying pipes 12 in the horizontal and vertical directions, the other end of the vertical water conveying pipe is connected with the base 14, and the other end of the horizontal water conveying pipe extends into the overflowing simulating device 9. The water suction pump 11 is connected with the master control board 13 through an electric wire 12, so that electric energy is provided for the water suction pump 11, and signals of the master control board 13 are transmitted.
The water delivery pipe 12 is arranged in the base 14 and connected with an external input water source, the rotary rainfall simulation system 5 and the water suction pump 11 to provide water required by experiments for the two.
The bottom of the master control board 13 is connected with the base 14 through bolts, and is connected with an external power supply, a rainfall system support body 4, a rotary rainfall simulation system 5, a hydraulic gradient regulator 8, a water suction pump 11 and a full-automatic camera 15 through an electric wire 16, so that electric energy is provided for the devices, control signals are transmitted, and the devices are controlled to operate.
The base 14 is located at the lowest part of the device, is integrated with the rainfall system support body 4, and is fixedly connected with the lower part of the hydraulic gradient regulator 8, the support column of the flood simulator 9 and the lower part of the master control board 13 through bolts. A water pipe 12 and an electric wire 16 are laid inside the pile body, and water, electric energy and signals are transmitted among the piles.
Full-automatic camera 15 passes through the bolt fastening in the rectangular opening top of water analogue means 9, is connected in order to obtain the electric energy through being connected between electric wire 16 and the total control board 13, is equipped with wide angle camera lens and wireless transmission function, can monitor the experiment overall process to with monitoring image transmission to remote terminal watch in real time.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of the invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a partial schematic view of the water receiving tank.
Fig. 6 is a schematic illustration of a rainfall system support.
Fig. 7 is a schematic diagram of a rotary rainfall simulation system.
Fig. 8 is a schematic diagram of a landslide simulation apparatus.
FIG. 9 is a schematic diagram of a hydraulic grade adjuster.
Fig. 10 is a schematic view of a part of a flooding simulation apparatus.
Figure 11 is a schematic diagram of a water pump.
Illustration of the graphical identification: 1-a water receiving tank, 2-a water receiving tank water level control door, 3-a water receiving tank roller, 4-a rainfall system support body, 5-a rotary rainfall simulation system, 6-a landslide simulation device, 7-a slope simulation board, 8-a hydraulic gradient regulator, 9-an overflowing simulation device, 10-an overflowing device control door, 11-a water suction pump, 12-a water conveying pipe, 13-a main control board, 14-a base, 15-a full-automatic camera, 16-an electric wire, 41-a rotating motor, 42-a rotating shaft, 91-a triangular guide plate, 92-a guide pulley, 101-a rope fixing column
Detailed Description
Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 9, when rainfall-induced landslide is simulated, the slope simulation board 7 corresponding to the contact surface required by the experiment is first installed in the landslide simulation device 6, then the total control board 13 controls the landslide simulation device 6 to be integrally lifted to a specified height, the water receiving tank 1 is pushed below the landslide simulation device 6, and then the total control board 13 controls the landslide simulation device 6 to be integrally lowered to be attached to the water receiving tank 1. Fill landslide analogue means 6 with the soil body that awaits measuring, open full-automatic camera 15 through total control board 13 and begin the record, video recording will be passed to remote terminal and storage through wireless transmission system. And then the rotary rainfall simulation system 5 is opened through the master control board 13, and the rotary rainfall simulation system 5 can periodically rotate the multidirectional water spraying device along the shaft at a high frequency so as to ensure that the whole soil body to be tested is subjected to uniform simulated rainfall. The rainfall can be adjusted through the master control board 13. Soil and water flowing down from the landslide simulation device 6 enter the water receiving tank 1, and the amount of soil and water reserved by the water receiving tank can be controlled through the water receiving tank water level control door 2. After the experiment is finished, the residual soil body to be detected can be cleaned into the water receiving tank 1, then the landslide simulation device 6 is lifted through the master control board 13, the water receiving tank 1 is pushed to a waste treatment position, and the residual soil body is cleaned.
As shown in fig. 1, 10 and 11. When simulating landslide under the extreme condition of soaking, earlier close flood device control gate 10 through the rope to fix the rope on rope fixed column 101, later control suction pump 11 through total control board 13 and pass through raceway 12, fill flood analogue means 9, when filling to required water yield, control suction pump 11 through total control board 13 and stop work. Then, a slope simulation board 7 corresponding to a contact surface required by an experiment is installed in the landslide simulation device 6, the total control board 13 controls the landslide simulation device 6 to integrally rise to a specified height, the water receiving tank 1 is pushed into the lower part of the landslide simulation device 6, and then the total control board 13 controls the landslide simulation device 6 to integrally fall to be attached to the water receiving tank 1. Fill landslide analogue means 6 with the soil body that awaits measuring, open full-automatic camera 15 through total control board 13 and begin the record, video recording will be passed to remote terminal and storage through wireless transmission system. Then the rope is loosened, the pressure of the water flushes the flood device control door 10, and a large amount of water flushes the landslide simulation device 6, so that the landslide situation under the condition of extreme flooding is simulated. Soil and water flowing down from the landslide simulation device 6 enter the water receiving tank 1, and the amount of soil and water reserved by the water receiving tank can be controlled through the water receiving tank water level control door 2. After the experiment is finished, the residual soil body to be detected can be cleaned into the water receiving tank 1, then the landslide simulation device 6 is lifted through the master control board 13, the water receiving tank 1 is pushed to a waste treatment position, and the residual soil body is cleaned.
Claims (6)
1. A physical test device for exploring a rainfall induced landslide mechanism is characterized in that: the automatic rain making device comprises a water receiving tank (1), a water receiving tank water level control door (2), water receiving tank rollers (3), a rainfall system supporting body (4), a rotary rainfall simulation system (5), a landslide simulation device (6), a slope simulation plate (7), a hydraulic gradient regulator (8), an overflowing simulation device (9), an overflowing device control door (10), a water suction pump (11), a water conveying pipe (12), a master control plate (13), a base (14), a full-automatic camera (15), an electric wire (16), a rotating motor (41), a rotating shaft (42), a triangular guide plate (91), a guide pulley (92) and a rope fixing column (101), wherein the water receiving tank (1) is located at the lowest part of the whole device and used for storing rainwater with partial substances in soil flowing down from the landslide simulation device (6); 4 water receiving tank rollers (3) are arranged at the lower part of the water receiving tank (1), and can be locked in the experiment process to prevent the water receiving tank (1) from sliding, and can be unlocked after the experiment is finished, so that the water receiving tank (1) can be conveniently pushed to clean the substances in the water receiving tank (1); a water receiving tank water level control door (2) is arranged on the side surface and can be used for adjusting the water volume in the water receiving tank (1) and matching with the experiment requirement; the rainfall system support bodies (4) are positioned at the left side and the right side of the whole device and are used for supporting and rotating the rotary rainfall simulation system (5), and water pipes (12) and electric wires (16) are laid in the rainfall system support bodies to provide water and electric energy for the rotary rainfall simulation system (5); the rotary rainfall simulation system (5) is positioned above the rainfall system supporting body (4), the rainfall simulation is controlled by a master control board (13), the divergent water spraying devices are distributed on the same hole site, and the rotary rainfall simulation system can periodically rotate along the shaft under the control of the system so as to ensure the uniformity of the rainfall simulation.
2. The physical testing apparatus for exploring a mechanism of rainfall induced landslide of claim 1, wherein: the bottom of the landslide simulation device (6) can be inserted into fixed slope simulation plates (7) on different surfaces, so that landslide conditions under different contact surfaces can be simulated, and the slope can be adjusted through a hydraulic slope adjuster (8), so that landslide conditions under different slopes can be simulated.
3. The physical testing apparatus for exploring a mechanism of rainfall induced landslide of claim 1, wherein: different domatic analog board (7) have different surfaces, change and to simulate the landslide condition of different contact surfaces, and all domatic analog board (7) are equallyd divide into about two, insert the back concatenation from the left and right sides of landslide analogue means (6) bottom respectively to through the 10 magnets of two domatic analog board (7) adjacent side evenly arranged, lock into a whole.
4. The physical testing apparatus for exploring a mechanism of rainfall induced landslide of claim 1, wherein: the hydraulic gradient regulator (8) is located below the landslide simulation device (6), is connected with the landslide simulation device (6), is controlled to ascend and descend by the master control board (13), and can regulate the gradient and the height of the landslide simulation device (6) so as to simulate the landslide condition under different gradient conditions and facilitate the placement of the water receiving tank (1).
5. The physical testing apparatus for exploring a mechanism of rainfall induced landslide of claim 1, wherein: the overflowing water simulation device (9) stores water through the water suction pump (11), after the water quantity is sufficient, a rope fixed on the rope fixing column (101) is loosened, the overflowing water device control door (10) is opened through water pressure, and a large amount of water scours soil in the landslide simulation device (6), so that landslide under the condition of extreme overflowing water is simulated.
6. The physical testing apparatus for exploring a mechanism of rainfall induced landslide of claim 1, wherein: the water pump (11) is controlled by a master control board (13) to pump water into the water overflowing simulation device (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921416931.4U CN211528392U (en) | 2019-08-29 | 2019-08-29 | Physical test device for exploring rainfall induced landslide mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921416931.4U CN211528392U (en) | 2019-08-29 | 2019-08-29 | Physical test device for exploring rainfall induced landslide mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514810A (en) * | 2019-08-29 | 2019-11-29 | 南昌大学 | A kind of physical test device for exploring rainfall induced landslide mechanism |
| CN114624421A (en) * | 2022-05-17 | 2022-06-14 | 四川省公路规划勘察设计研究院有限公司 | Simulation test device for rock landslide induced by strong rainfall |
-
2019
- 2019-08-29 CN CN201921416931.4U patent/CN211528392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514810A (en) * | 2019-08-29 | 2019-11-29 | 南昌大学 | A kind of physical test device for exploring rainfall induced landslide mechanism |
| CN114624421A (en) * | 2022-05-17 | 2022-06-14 | 四川省公路规划勘察设计研究院有限公司 | Simulation test device for rock landslide induced by strong rainfall |
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