CN111272983A - Multifunctional rainfall landslide indoor test device - Google Patents
Multifunctional rainfall landslide indoor test device Download PDFInfo
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- CN111272983A CN111272983A CN202010181897.8A CN202010181897A CN111272983A CN 111272983 A CN111272983 A CN 111272983A CN 202010181897 A CN202010181897 A CN 202010181897A CN 111272983 A CN111272983 A CN 111272983A
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- G01—MEASURING; TESTING
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- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/84—Systems specially adapted for particular applications
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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
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Abstract
The invention discloses a multifunctional rainfall landslide indoor test device, and mainly relates to the technical field of landslide tests. Including the mold box, be equipped with the water receiving tank in the mold box, be equipped with the base that permeates water in the water receiving tank, the top of the base that permeates water is equipped with the recess, it has experimental soil to fill in the recess, be equipped with soil moisture test sensor in the experimental soil, one side of the base that permeates water is equipped with the arc slide rail, the top of sliding seat is equipped with vertical guide rail, be equipped with the mount pad on the vertical guide rail, be equipped with the air-blower on the mount pad, the upside of the base that permeates water is equipped with sprays the box, the top of mold box is equipped with the water tank, one side of. The invention has the beneficial effects that: the rainfall simulation device can adjust the gradient according to needs, can provide simulated wind power while simulating rainfall, can effectively simulate rainfall weather and can provide reliable test data for research on rainfall landslide, and the direction and the size of the wind power can be adjusted.
Description
Technical Field
The invention relates to the technical field of landslide tests, in particular to a multifunctional rainfall landslide indoor test device.
Background
Landslide is a serious geological disaster and is influenced by various factors such as underground water activities, rainwater immersion, earthquakes and the like, wherein rainfall is one of important factors for inducing landslide, particularly strong rainfall easily induces large-volume landslide, and seriously threatens life and property safety of people. In order to master the influence mechanism of rainfall on the landslide, researchers mostly install various monitoring devices in the high-incidence stage of the landslide, on one hand, the monitoring devices play a role in early warning, on the other hand, original data can be provided for the occurrence mechanism of the landslide, but the research requirements are hardly met only by the original data provided by the actually occurring landslide, so that the test data of the relation between the rainfall and the landslide is often obtained by indoor rainfall landslide simulation tests, most of the existing test devices are single tests with the rainfall as the center, multiple groups of data are obtained by adjusting the rainfall amount, in the actual landslide, the rainfall is often accompanied by the strong wind weather, the existing test devices are often lack of wind power factors, the gradient in the existing test devices is fixed, and the landslide tests with different gradients cannot be simulated.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a multifunctional rainfall landslide indoor test device which can adjust the gradient according to the requirement, can provide simulated wind power while simulating rainfall, can effectively simulate rainfall weather and can provide reliable test data for research on rainfall landslide, and the direction and the magnitude of the wind power can be adjusted.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a multifunctional rainfall landslide indoor test device comprises a model box, wherein a water receiving tank is arranged in the model box, a water permeable base is arranged in the water receiving tank, one end of the water permeable base is hinged with the water receiving tank, a supporting rod is arranged at the bottom of the water permeable base, one end of the supporting rod is hinged with the water permeable base, the other end of the supporting rod is hinged with a sliding block, the sliding block is in sliding connection with the water receiving tank, an adjusting lead screw is horizontally arranged in the water receiving tank, one end of the adjusting lead screw extends out of the model box and is in rotating connection with the model box, a hand wheel is arranged at the end of the adjusting lead screw extending out of the water receiving tank, a screw matched with the adjusting lead screw is embedded on the sliding block, a groove is arranged at the top of the water permeable base, test soil is filled in the groove, a soil moisture test, the arc-shaped slide rail is provided with a slide seat which is connected with the arc-shaped slide rail in a sliding way, the top of the slide seat is provided with a vertical guide rail, the vertical guide rail is provided with a mounting seat, the height of the mounting seat is adjustable, the mounting seat is provided with an air blower, a spraying box is arranged on the upper side of the water permeable base, a plurality of water spraying holes are arranged at the bottom of the spraying box, the spraying box is fixed on the model box, the top of the model box is provided with a water tank, one side of the water tank is provided with a cylinder body, a piston is arranged in the cylinder body, a piston rod is arranged on the piston, a push-pull device for pushing and pulling the piston rod is arranged on the model box, one end of the cylinder body, which is far away from the drawing device, is provided with a first one-way valve and a second one-way valve, the flow direction of the second one-way valve is opposite to that of the first one-way valve, the first one-way valve is communicated with the water tank through a first pipeline, and the second one-way valve is communicated with the spraying box through a second pipeline.
Preferably, the sliding seat is provided with a first locking screw for locking the position of the sliding seat.
Preferably, the vertical guide rail is a columnar guide rod, a through hole matched with the columnar guide rod is formed in the mounting seat, the mounting seat can slide up and down along the columnar guide rod and can rotate around the columnar guide rod, and a second locking screw used for locking the position of the mounting seat is arranged on the mounting seat.
Preferably, the cylinder body is a transparent cylinder body, and a graduated scale is arranged on the transparent cylinder body.
Preferably, the push-pull device comprises a push-pull lead screw parallel to the piston rod and a push-pull block connected with the piston rod, the push-pull block is connected with the model box in a sliding mode, the sliding direction of the push-pull block is parallel to the length direction of the piston rod, a nut adaptive to the push-pull lead screw is embedded in the push-pull block, and a motor is arranged at one end of the push-pull lead screw.
Preferably, a camera is arranged on the inner wall of the model box.
Compared with the prior art, the invention has the beneficial effects that:
the inclination angle of the water permeable base is adjustable, and the inclination angle of the water permeable base can be adjusted by rotating the hand wheel, so that the gradient of test soil is adjusted, and rainfall landslide tests with different gradients can be performed; the sliding seat can move along the arc-shaped sliding rail, the mounting seat can move up and down along the vertical guide rail, the position of the air blower can be adjusted, the wind direction blown to the test soil by the air blower can be adjusted, and the wind force blown to the test soil can be adjusted by adjusting the wind force of the air blower; the water in the water tank can enter the cylinder body through the first one-way valve, the water in the cylinder body can enter the spraying box through the second one-way valve, the push-pull device is utilized to push and pull the piston rod, the water in the water tank can be pumped into the cylinder body, the water in the cylinder body is pushed into the spraying box, and the rainfall in unit time can be adjusted by adjusting the pushing speed of the push-pull device; the rainfall simulation system can provide simulated wind power while simulating rainfall, and the direction and the size of the wind power can be adjusted, so that rainfall weather can be effectively simulated, and reliable test data can be provided for research on rainfall landslide.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings: 1. a model box; 2. a water receiving tank; 3. a water permeable base; 4. a support bar; 5. a slider; 6. adjusting the lead screw; 7. a hand wheel; 8. testing soil; 9. a soil moisture test sensor; 10. an arc-shaped slide rail; 11. a sliding seat; 12. a vertical guide rail; 13. a mounting seat; 14. a blower; 15. a spraying box; 16. a water tank; 17. a cylinder body; 18. a piston; 19. a piston rod; 20. a first check valve; 21. a second one-way valve; 22. a first pipeline; 23. a second pipeline; 24. a first locking screw; 25. a second locking screw; 26. a graduated scale; 27. pushing and pulling a lead screw; 28. a push-pull block; 29. a motor; 30. a camera is provided.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): referring to the attached drawing 1, the invention relates to a multifunctional rainfall landslide indoor test device, which comprises a model box 1, wherein the model box 1 can be a transparent box body which is convenient to observe and is preferably a glass fiber reinforced plastic box body. A water receiving tank 2 is arranged in the model box 1, the water receiving tank 2 is fixed in the model box 1 through screws, and the right end of the water receiving tank 2 is abutted to the inner wall of the model box 1. Be equipped with the base 3 that permeates water in the water receiving tank 2, the left end of the base 3 that permeates water is articulated with the left end of water receiving tank 2, the bottom of the base 3 that permeates water is equipped with bracing piece 4, the one end of bracing piece 4 is articulated with the base 3 that permeates water, and the other end articulates there is sliding block 5, is equipped with the first spout that suits with sliding block 5 in the water receiving tank 2, sliding block 5 and water receiving tank 2 sliding connection. The horizontal adjusting screw 6 that is equipped with in the water receiving tank 2, all be equipped with the through hole that suits with adjusting screw 6 on the right side wall of water receiving tank 2, the right side wall of mold box 1, the one end of adjusting screw 6 stretches out mold box 1, and rotates with mold box 1 and be connected, adjusting screw 6 and stretching out the one end of water receiving tank 3 and installing hand wheel 7, inlay the screw that suits with adjusting screw 6 on sliding block 5, rotate hand wheel 7 and can drive sliding block 5 and remove along first spout, sliding block 5 removes, through the transmission of bracing piece 4, can adjust the inclination of the base 3 that permeates water. The top of the base 3 that permeates water is equipped with the recess, it has experimental soil 8 to fill in the recess, and experimental soil 8 is removable, be equipped with soil moisture test sensor 9 in the experimental soil 8, soil moisture test sensor 9 is used for measuring the water content of experimental soil 8. One side of base 3 that permeates water is equipped with arc slide rail 10, be equipped with the sliding seat 11 with arc slide rail 10 sliding connection on the arc slide rail 10, the top of sliding seat 11 is equipped with vertical guide rail 12, be equipped with mount pad 13 on the vertical guide rail 12, the height-adjustable of mount pad 13, be equipped with air-blower 14 on the mount pad 13, sliding seat 13 can remove along arc slide rail 10, and mount pad 13 can reciprocate along vertical guide rail 12, can adjust the position of air-blower 14, can adjust air-blower 14 and blow to the wind direction of experimental soil 8, can adjust the size of blowing to the wind-force of experimental soil 8 through the wind-force of adjustment air-blower 14. Further, in order to guarantee the stability of sliding seat, be equipped with the first locking screw 24 that is used for locking the position of sliding seat 11 on the sliding seat 11, first locking screw 24 run through sliding seat 11 and with sliding seat 11 threaded connection, the tip and the arc slide rail 10 butt of first locking screw 24 tighten first tightening screw 24, can with sliding seat 11 locking on arc slide rail 10, can guarantee that air-blower 14 moves, the stability of sliding seat. Preferably, in order to facilitate the adjustment of the height of the mounting base 13, the vertical guide rail 12 is a columnar guide rod, a through hole adapted to the columnar guide rod is formed in the mounting base 13, the inner diameter of the through hole is slightly larger than the outer diameter of the columnar guide rod, the mounting base 13 can slide up and down along the columnar guide rod and can rotate around the columnar guide rod, a second locking screw 25 used for locking the position of the mounting base 13 is arranged on the mounting base 13, the second locking screw 25 is screwed, the position of the mounting base 13 can be locked, the second locking screw 25 is loosened, the mounting base 13 can slide up and down on the columnar guide rod and can rotate around the columnar guide rod, the height of the air blower 14 and the angle of the air blower blowing to the test soil 8 can be adjusted, and the wind direction in rainy weather can be. The upper side of the water permeable base 3 is provided with a spraying box 15, the bottom of the spraying box 15 is provided with a plurality of water spraying holes, the spraying box 15 is fixed at the top in the model box 1 through screws, the top of the model box 1 is provided with a water tank 16, one side of the water tank 16 is provided with a cylinder body 17 and a bracket matched with the cylinder body 17, a piston 18 is arranged in the cylinder body 17, a piston rod 19 is arranged on the piston 18, a push-pull device for pushing and pulling the piston rod 19 is arranged on the model box 1, one end of the cylinder body 17 far away from the pull-pull device is provided with a first one-way valve 20 and a second one-way valve 21, the flow direction of the second one-way valve 21 is opposite to that of the first one-way valve 20, the first one-way valve 20 is communicated with the water tank 16 through a first pipeline 22, the second one-way valve 21 is communicated with the spraying box 15 through a second pipeline 23, the water in the cylinder 17 can enter the spraying box 15 through the second one-way valve 21, the push-pull device is used for pushing and pulling the piston rod 19, the water in the water tank 16 can be pumped into the cylinder 17, the water in the cylinder 17 can be pushed into the spraying box 15, and the rainfall in unit time can be adjusted by adjusting the pushing speed of the push-pull device. Further, in order to facilitate adjustment of the pushing speed of the pushing and pulling device, the pushing and pulling device comprises a pushing and pulling screw 27 parallel to the piston rod 19 and a pushing and pulling block 28 connected with the piston rod 19, the pushing and pulling block 28 is connected with the model box 1 in a sliding mode, the sliding direction of the pushing and pulling block 28 is parallel to the length direction of the piston rod 19, a second sliding groove matched with the pushing and pulling block 28 is formed in the top of the model box 1, a nut matched with the pushing and pulling screw 27 is embedded in the pushing and pulling block 28, a motor 29 is arranged at one end of the pushing and pulling screw 27, and the motor 29 is started to push and pull the piston rod 19. Preferably, in order to facilitate the control of the rainfall, the cylinder 17 is a transparent cylinder, and a graduated scale 26 is arranged on the transparent cylinder. Further, in order to facilitate recording of the test process, a camera 30 is arranged on the inner wall of the model box 1, and the change state of the crack in the test soil 8 is continuously observed by using the camera 30. When the rainfall landslide test device is used, the inclination angle of the water permeable base 3 is adjustable, and the slope of the test soil 8 is adjusted by adjusting the inclination angle of the water permeable base 3, so that rainfall landslide tests with different slopes can be performed; the rainfall simulation system can provide simulated wind power while simulating rainfall, and the direction and the size of the wind power can be adjusted, so that rainfall weather can be effectively simulated, and reliable test data can be provided for research on rainfall landslide.
Claims (6)
1. The utility model provides a multi-functional rainfall landslide indoor test device, includes mold box (1), its characterized in that: the water receiving tank (2) is arranged in the model box (1), the water receiving tank (2) is internally provided with a water permeable base (3), one end of the water permeable base (3) is hinged with the water receiving tank (2), the bottom of the water permeable base (3) is provided with a support rod (4), one end of the support rod (4) is hinged with the water permeable base (3), the other end of the support rod is hinged with a sliding block (5), the sliding block (5) is in sliding connection with the water receiving tank (2), an adjusting lead screw (6) is horizontally arranged in the water receiving tank (2), one end of the adjusting lead screw (6) extends out of the model box (1) and is rotatably connected with the model box (1), one end of the adjusting lead screw (6) extending out of the water receiving tank (3) is provided with a hand wheel (7), a screw matched with the adjusting lead screw (6) is embedded in the sliding block (5), the top of the water permeable, the groove is filled with test soil (8), a soil moisture test sensor (9) is arranged in the test soil (8), an arc-shaped slide rail (10) is arranged on one side of the water permeable base (3), a slide seat (11) in sliding connection with the arc-shaped slide rail (10) is arranged on the arc-shaped slide rail (10), a vertical guide rail (12) is arranged at the top of the slide seat (11), a mounting seat (13) is arranged on the vertical guide rail (12), the height of the mounting seat (13) is adjustable, an air blower (14) is arranged on the mounting seat (13), a spraying box (15) is arranged on the upper side of the water permeable base (3), a plurality of water spraying holes are arranged at the bottom of the spraying box (15), the spraying box (15) is fixed on the model box (1), a water tank (16) is arranged at the top of the model box (1), a cylinder body (17) is arranged on one side, the spraying device is characterized in that a piston (18) is arranged in the cylinder body (17), a piston rod (19) is arranged on the piston (18), a push-pull device for pushing and pulling the piston rod (19) is arranged on the mold box (1), a first one-way valve (20) and a second one-way valve (21) are arranged at one end, far away from the pull-pull device, of the cylinder body (17), the flow direction of the second one-way valve (21) is opposite to that of the first one-way valve (20), the first one-way valve (20) is communicated with the water tank (16) through a first pipeline (22), and the second one-way valve (21) is communicated with the spraying box (15) through a second pipeline (23).
2. The multifunctional rainfall landslide indoor test device of claim 1, wherein: the sliding seat (11) is provided with a first locking screw (24) for locking the position of the sliding seat (11).
3. The multifunctional rainfall landslide indoor test device of claim 1, wherein: the vertical guide rail (12) is a columnar guide rod, a through hole matched with the columnar guide rod is formed in the mounting seat (13), the mounting seat (13) can slide up and down along the columnar guide rod and can rotate around the columnar guide rod, and a second locking screw (25) used for locking the position of the mounting seat (13) is arranged on the mounting seat (13).
4. The multifunctional rainfall landslide indoor test device of claim 1, wherein: the cylinder body (17) is a transparent cylinder body, and a graduated scale (26) is arranged on the transparent cylinder body.
5. The multifunctional rainfall landslide indoor test device of claim 1, wherein: the push-pull device comprises a push-pull lead screw (27) parallel to a piston rod (19) and a push-pull block (28) connected with the piston rod (19), the push-pull block (28) is connected with the model box (1) in a sliding mode, the sliding direction of the push-pull block is parallel to the length direction of the piston rod (19), a nut matched with the push-pull lead screw (27) is embedded in the push-pull block (28), and a motor (29) is arranged at one end of the push-pull lead screw (27).
6. The multifunctional rainfall landslide indoor test device of claim 1, wherein: the inner wall of the model box (1) is provided with a camera (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181897.8A CN111272983A (en) | 2020-03-16 | 2020-03-16 | Multifunctional rainfall landslide indoor test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181897.8A CN111272983A (en) | 2020-03-16 | 2020-03-16 | Multifunctional rainfall landslide indoor test device |
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| CN111272983A true CN111272983A (en) | 2020-06-12 |
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| CN202010181897.8A Pending CN111272983A (en) | 2020-03-16 | 2020-03-16 | Multifunctional rainfall landslide indoor test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983185A (en) * | 2020-07-24 | 2020-11-24 | 河海大学 | Reservoir bank water level change and slope angle variable landslide model test device and method under coupling action of earthquake and rainfall |
| CN112198298A (en) * | 2020-09-29 | 2021-01-08 | 河北水利电力学院 | Bulk accumulation bulk slope stability simulation experiment device |
| CN112525811A (en) * | 2020-11-30 | 2021-03-19 | 广东电网有限责任公司 | Insulator salt spray corrosion test device for high-voltage transformer |
| CN114371273A (en) * | 2022-01-14 | 2022-04-19 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting collapse influence range of dangerous rock mass |
| CN114636804A (en) * | 2022-02-24 | 2022-06-17 | 温州理工学院 | Test method for simulating slope instability behavior under rainfall condition |
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| CN105738596A (en) * | 2016-02-29 | 2016-07-06 | 煤炭科学技术研究院有限公司 | Slope deformation simulation test device under rainfall condition |
| CN205884255U (en) * | 2016-08-15 | 2017-01-18 | 江西王品农业科技开发有限公司 | Orchard is with liftable oscillating sprinkler |
| CN208595864U (en) * | 2018-09-19 | 2019-03-12 | 宋文伟 | A kind of slope stability geomechanics model test device |
| CN209821193U (en) * | 2019-02-12 | 2019-12-20 | 张学钢 | Geotechnical engineering landslide model test box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111983185A (en) * | 2020-07-24 | 2020-11-24 | 河海大学 | Reservoir bank water level change and slope angle variable landslide model test device and method under coupling action of earthquake and rainfall |
| CN112198298A (en) * | 2020-09-29 | 2021-01-08 | 河北水利电力学院 | Bulk accumulation bulk slope stability simulation experiment device |
| CN112198298B (en) * | 2020-09-29 | 2022-11-11 | 河北水利电力学院 | Block pile up bulk solid side slope stability simulation experiment device |
| CN112525811A (en) * | 2020-11-30 | 2021-03-19 | 广东电网有限责任公司 | Insulator salt spray corrosion test device for high-voltage transformer |
| CN114371273A (en) * | 2022-01-14 | 2022-04-19 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting collapse influence range of dangerous rock mass |
| CN114371273B (en) * | 2022-01-14 | 2023-11-14 | 中国电建集团成都勘测设计研究院有限公司 | Physical test device for detecting dangerous rock body caving influence range |
| CN114636804A (en) * | 2022-02-24 | 2022-06-17 | 温州理工学院 | Test method for simulating slope instability behavior under rainfall condition |
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Application publication date: 20200612 |
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