CN114965949A - Ecological rock and soil mechanics bank protection test device under rainfall simulation condition - Google Patents
Ecological rock and soil mechanics bank protection test device under rainfall simulation condition Download PDFInfo
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- CN114965949A CN114965949A CN202210520814.2A CN202210520814A CN114965949A CN 114965949 A CN114965949 A CN 114965949A CN 202210520814 A CN202210520814 A CN 202210520814A CN 114965949 A CN114965949 A CN 114965949A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention discloses an ecological rock-soil mechanics slope protection test device under a rainfall simulation condition, and belongs to the technical field of rock-soil mechanics slope protection tests. The utility model provides an ecological rock and soil mechanics bank protection test device under rainfall simulation condition, includes: the device comprises a base, a screw pump body, a plurality of bearing plates, a reduction box, a spray head, a motor and a test platform. The test platform comprises a flat plate and a plurality of fixed columns, the upper ends of the fixed columns are fixedly connected with the lower end of the flat plate, the lower end of the fixed shaft is fixedly connected with the upper surface of the base, the upper end of the flat plate is fixedly connected with a plurality of first rotating supports, the plurality of first rotating supports are evenly distributed along one side edge of the upper surface of the flat plate, and every two first rotating shafts are rotatably connected between the supports. The invention provides multiple groups of contrast according to or slope protection angle change under the condition of meeting other conditions without changing, has wide angle adjustment range and high accuracy, and provides better guarantee for the accuracy of test results.
Description
Technical Field
The invention belongs to the technical field of rock-soil mechanics slope protection tests, and particularly relates to an ecological rock-soil mechanics slope protection test device under a rainfall simulation condition.
Background
Slope protection refers to the general term of various paving and planting on a slope surface in order to prevent the slope from being washed. In the river section where the bridge site is located, the concave bank of the river bank is washed by water flow year by year, and the river bank can be continuously collapsed. In order to protect the safety of bridges and embankments, protective buildings need to be built on the concave bank. In addition, when the river flow direction changes due to the arrangement of bridges and the farmland and villages are endangered by scouring the river bank, protective buildings need to be built on the river bank.
The function of slope protection can be divided into two categories: the protection work for the slope surface is only wind resistance and erosion resistance, and the protection work does not bear lateral soil pressure, such as sprayed concrete slope protection, grid planting slope protection, planting slope protection and the like, and is only suitable for the gentle and stable slope without slide worry. Secondly, provide the retaining slope with anti-sliding force.
The water and soil loss is generated by the damage and the loss to water and soil resources and the productivity of land, which causes huge damage to the ecological environment, especially to the side slope, reduces the stability of the side slope, causes serious geological disasters such as landslide, debris flow and the like, causes serious consequences, rainfall is the biggest influence on the water and soil loss, and the ecological rock mechanics slope protection test under the condition of simulating the rainfall plays a better role in preventing the water and soil loss.
In the prior art, under the condition of simulating rainfall, in the test about the influence of the slope protection angle on the capability of the slope protection for bearing the rainwater erosion, the test control groups with different angles are difficult to be accurately provided, and the accuracy of the test result is greatly influenced due to the low accuracy of the control groups.
Disclosure of Invention
The invention aims to provide a slope protection test device for ecological rock and soil mechanics under a rainfall simulation condition.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an ecological rock and soil mechanics bank protection test device under rainfall simulation condition, includes: base, screw pump body, a plurality of board, reducing gear box, shower nozzle, motor and test platform of accepting. The test platform comprises a flat plate and a plurality of fixed columns, the upper ends of the fixed columns are fixedly connected with the lower end of the flat plate, the lower end of the fixed shaft is fixedly connected with the upper surface of the base, the upper end of the flat plate is fixedly connected with a plurality of first rotating supports, the plurality of first rotating supports are uniformly distributed along one side edge of the upper surface of the flat plate, a first rotating shaft is rotatably connected between every two supports, a plurality of through grooves are formed in the flat plate in a one-to-one correspondence mode after the first rotation, a plurality of sliding blocks are respectively embedded into each through groove and are in sliding connection with the through grooves, a plurality of hydraulic oil cylinders respectively penetrate through each sliding block in the vertical direction, the outer side walls of the hydraulic oil cylinders are fixedly connected with the sliding blocks, a plurality of first plungers are respectively in sliding connection with the inner walls of the hydraulic oil cylinders, and ball wheels are connected with the upper ends of the first plungers in a rolling mode, one end of each bearing plate is fixedly connected with each first rotating shaft, a first groove is formed in the lower surface of each bearing plate, the ball wheel is embedded into the first groove, the ball wheel is movably connected with the first groove, a second groove is formed in the upper end of each bearing plate, and a test slope protection is placed in the second groove; the lower ends of the hydraulic oil cylinders are provided with hydraulic oil pipes which are communicated with the hydraulic oil cylinders;
the motor is fixedly connected to the upper end of the base, the output end of the electric connector is in transmission connection with a transmission shaft, a second rotating support is arranged and fixedly connected with the base, the transmission shaft penetrates through the second rotating support and is in rotational connection with the second rotating support, a connecting rod is arranged and is in rotational connection with the second rotating support, the rotating axis of the connecting rod is superposed with the axis of the transmission shaft, the upper end of the connecting rod is provided with a through hole, the axis of the through hole is parallel to the axis of the transmission shaft, a worm penetrates through the through hole and is in rotational connection with the connecting rod, one end of the worm is coaxially and fixedly connected with a second driven wheel, one end of the transmission shaft is coaxially and fixedly connected with a driving wheel, and the impact wheel is in transmission connection with the driving wheel through a belt;
a worm wheel is arranged on one side of the worm, when the connecting rod is in a vertical state, the worm wheel is meshed with the worm, a second rotating shaft is fixedly connected with one end of the worm wheel coaxially, one end of the second rotating shaft is rotatably connected with the input end of the reduction gearbox, the output end of the reduction gearbox is connected with a third rotating shaft in a transmission way, a first rotating disc is fixedly connected with the other end of the third rotating shaft coaxially, second plungers with the same number as the hydraulic oil pipes are hinged to one side of the first rotating disc far away from the reduction gearbox through balls, the second plungers are uniformly distributed along the edge of the first rotating disc, a third driving support is fixedly connected to the upper end of the base, a second rotating disc is arranged and rotatably connected with the third rotating support, the axes of the second rotating disc and the first rotating disc are intersected and not collinear, and a plurality of through holes are formed in the end face of the second rotating disc, a plurality of second hydraulic cylinders are fixedly embedded in the through holes, one end of each second hydraulic cylinder is connected with the corresponding second plunger in a sliding mode, and the other end of each second hydraulic cylinder is connected with the other end of the corresponding hydraulic oil pipe in a penetrating mode.
Furthermore, a compression spring is arranged at one end, close to the first rotating support, of the sliding block, one end of the compression spring is fixedly connected with the inner wall of one side, close to the first rotating support, of the penetrating groove, and the other end of the compression spring is fixedly connected with the sliding block; the side wall of the flat plate is provided with a plurality of penetrating threaded holes, screws are arranged on the side wall of the flat plate and are in threaded connection with the threaded holes, and the tail of each screw is attached to one end, far away from the corresponding compression spring, of the corresponding sliding block. The screw is rotated inwards or outwards, so that the position of the sliding block in the through groove can be controlled, the compression spring plays a role in fixing, the situation that the screw rotates due to unconscious touch of the screw is not easy to occur, and the stability of the sliding block after adjustment is improved.
Furthermore, one end of the transmission shaft is in transmission connection with the input end of the screw pump body, a water storage tank is arranged and fixedly connected with the base, the water inlet end of the screw body is in through connection with the water storage tank, the water outlet end of the screw pump body is in through connection with a water delivery pipe, and the other end of the water delivery pipe is fixedly connected with a square spray head.
Furthermore, the lower end face of the sprayer is parallel to the plate face of the flat plate, and the projection of the lower end face of the sprayer on the plate face of the flat plate completely covers the plate face of the flat plate, so that test revetments on all bearing plates in a test are ensured to be under the same rainfall condition.
Further, the upper end fixedly connected with effluent water sump of base, the effluent water sump is located be close to on the base the one end of first pivot, just the pool mouth of effluent water sump is equipped with the swash plate, the one end fixed connection of swash plate the pool mouth, the other end fixed connection of swash plate the flat board is close to on the lateral wall of first pivot.
Further, a plurality of semicircular protractors are fixedly arranged at the upper end of the flat plate, the protractors are distributed and per two protractors are respectively connected between the bearing plates, the connector is fixedly connected with the flat plate, the bearing plates are close to the side walls of the two-leg device, pointers are fixedly arranged on the side walls of the two-leg device, and the pointers are attached to the surfaces of the protractors.
Further, a rotating handle is fixedly connected to the head end of the screw.
Furthermore, the notches of the through grooves are provided with scales.
Furthermore, the lower extreme of base is equipped with a plurality of brake truckles.
The invention has the beneficial effects that:
the invention provides multiple groups of contrast according to or slope protection angle change under the condition of meeting other conditions without changing, has wide angle adjustment range and high accuracy, and provides better guarantee for the accuracy of test results.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1 at B in accordance with the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a partial schematic view of the worm gear of the present invention in engagement;
FIG. 5 is a partial schematic view of the worm gear of the present invention shown disengaged;
the parts corresponding to the reference numerals in the figures are as follows:
1. a spray head; 2. a protractor; 3. a first rotating shaft; 4. a sewage tank; 5. braking the caster; 6. a base; 7. a flat plate; 8. a water storage tank; 9. a screw pump body; 10. a water delivery pipe; 11. a through groove; 12. a bearing plate; 13. a second plunger; 14. a second hydraulic cylinder; 15. a hydraulic oil pipe; 16. a first plunger; 17. a first hydraulic cylinder; 18. a slider; 19. a screw; 20. rotating the handle; 21. a second turntable; 22. a drive wheel; 23. a belt; 24. a driven wheel; 25. a reduction gearbox; 26. a third rotating shaft; 27. a first turntable; 28. a third rotating bracket; 29. a second rotating shaft; 30. a worm gear; 31. a worm; 32. a connecting rod; 33. a second rotating bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in FIGS. 1-4, an ecological geotechnical slope protection test device under rainfall simulation condition comprises: the device comprises a base 6, a screw pump body 9, a plurality of bearing plates 12, a reduction box 25, a spray head 1, a motor and a test platform. The test platform comprises a flat plate 7 and a plurality of fixed columns, the upper ends of the fixed columns are fixedly connected with the lower end of the flat plate 7, the lower end of the fixed shaft is fixedly connected with the upper surface of the base 6, the upper end of the flat plate 7 is fixedly connected with a plurality of first rotating supports, the plurality of first rotating supports are uniformly distributed along one side edge of the upper surface of the flat plate 7, a first rotating shaft 3 is rotatably connected between every two supports, a plurality of through grooves 11 are formed in the flat plate 7 in a one-to-one correspondence with the first rotating supports, a plurality of sliding blocks are respectively embedded into each through groove 11 and are in sliding connection with each through groove 11, a plurality of hydraulic oil cylinders respectively penetrate through each sliding block along the vertical direction, the outer side walls of the hydraulic oil cylinders are fixedly connected with the sliding blocks, and a plurality of first plungers 16 are respectively in sliding connection with the inner walls of the hydraulic oil cylinders, the upper end of the first plunger 16 is connected with a ball wheel in a rolling manner, one end of each of the bearing plates 12 is fixedly connected with each of the first rotating shafts 3, a first groove is formed in the lower surface of each of the bearing plates 12, the ball wheel is embedded into the first groove, the ball wheel is movably connected with the first groove, a second groove is formed in the upper end of each of the bearing plates 12, and a test slope protection is placed in the second groove; the lower ends of the hydraulic oil cylinders are provided with hydraulic oil pipes 15, and the hydraulic oil pipes 15 are communicated with the hydraulic oil cylinders;
the motor is fixedly connected to the upper end of the base 6, the output end of the motor-driven joint is in transmission connection with a transmission shaft, a second rotating support 33 is arranged and fixedly connected with the base 6, the transmission shaft penetrates through the second rotating support 33 and is in rotation connection with the second rotating support 33, a connecting rod 32 is arranged and is in rotation connection with the second rotating support 33, the rotation axis of the connecting rod 32 is superposed with the axis of the transmission shaft, a through hole is formed in the upper end of the connecting rod 32, the axis of the through hole is parallel to the axis of the transmission shaft, a worm 31 is arranged and penetrates through the through hole to be in rotation connection with the connecting rod 32, one end of the worm 31 is coaxially and fixedly connected with a second driven wheel 24, one end of the transmission shaft is coaxially and fixedly connected with a driving wheel 22, and the punching wheel is in transmission connection with the driving wheel 22 through a belt 23;
one side of the worm 31 is provided with a worm wheel 30, when the connecting rod 32 is in a vertical state, the worm wheel 30 is meshed with the worm 31, one end of the worm wheel 30 is coaxially and fixedly connected with a second rotating shaft 29, one end of the second rotating shaft 29 is rotatably connected with the input end of the reduction gearbox 25, the output end of the reduction gearbox 25 is connected with a third rotating shaft 26 in a transmission way, the other end of the third rotating shaft 26 is coaxially and fixedly connected with a first rotating disc 27, one side of the first rotating disc 27 far away from the reduction gearbox 25 is connected with second plungers 13 with the same number as the hydraulic oil pipes 15 through ball hinges, the second plungers 13 are distributed along the edge of the first rotating disc 27, the upper end of the base 6 is fixedly connected with a third driving bracket, a second rotating disc is rotatably connected with the third rotating bracket 28, and the axes of the second rotating disc and the first rotating disc 27 are intersected and not collinear, a plurality of through holes are formed in the end face of the second rotary table, a plurality of second hydraulic cylinders 14 are fixedly embedded in the through holes, one end of each second hydraulic cylinder 14 is connected with the corresponding second plunger 13 in a sliding mode, and the other end of each second hydraulic cylinder 14 is connected with the other end of the corresponding hydraulic oil pipe 15 in a penetrating mode.
Furthermore, a compression spring is arranged at one end of the sliding block close to the first rotating support, one end of the compression spring is fixedly connected with the inner wall of the through groove 11 close to one side of the first rotating support, and the other end of the compression spring is fixedly connected with the sliding block; the side wall of the flat plate 7 is provided with a plurality of penetrating threaded holes, screws are arranged on the side wall of the flat plate and are in threaded connection with the threaded holes, and the tail of each screw is attached to one end, far away from the compression spring, of the sliding block. The screw is rotated inwards or outwards, so that the position of the sliding block in the through groove 11 can be controlled, the compression spring plays a role in fixing, the situation that the screw rotates due to unconscious touch of the screw is not easy to occur, and the stability of the sliding block after adjustment is improved. The slide block is closer to the first rotating support the inclination angle of the bearing plate 12 is larger, and the inclination angle range of the test slope protection of the control group is greatly increased by the angle adjustment of the matched hydraulic device.
Furthermore, one end of the transmission shaft is in transmission connection with the input end of the screw pump body 9, a water storage tank 8 is arranged and fixedly connected with the base 6, the water inlet end of the screw body is in through connection with the water storage tank 8, the water outlet end of the screw pump body 9 is in through connection with a water delivery pipe 10, and the other end of the water delivery pipe 10 is fixedly connected with the square spray head 1.
Further, the lower end face of the nozzle 1 is parallel to the plate face of the flat plate 7, and the projection of the lower end face of the nozzle 1 on the plate face of the flat plate 7 completely covers the plate face of the flat plate 7, so that test revetments on all the bearing plates 12 in a test are ensured to be under the same rainfall condition.
Further, the upper end fixedly connected with effluent water sump 4 of base 6, effluent water sump 4 is located be close to on the base 6 the one end of first pivot 3, just the pool mouth of effluent water sump 4 is equipped with the swash plate, the one end fixed connection of swash plate the pool mouth, the other end fixed connection of swash plate dull and stereotyped 7 is close to on the lateral wall of first pivot 3. The sewage tank 4 is convenient to clean the device on one hand and is convenient to collect and compare the pH value of rainfall before and after passing through the test slope protection on the other hand, so that the erosion condition of the rainfall on the test slope protection is judged.
Further, a plurality of semicircular protractors 2 are fixedly arranged at the upper end of the flat plate 7, the plurality of protractors 2 are respectively distributed between every two bearing plates 12, the connector is fixedly connected with the flat plate 7, pointers are fixedly arranged on the side walls, close to the two-leg device, of the bearing plates 12, and the pointers are attached to the surfaces of the protractors 2. It is right to be convenient for the angle accurate adjustment of experimental bank protection.
Further, a rotating handle is fixedly connected to the head end of the screw, so that the screw can be manually rotated without other tools.
Furthermore, the notches of the through grooves 11 are provided with scales, so that the accurate recording during adjustment is facilitated.
Furthermore, a plurality of brake trundles 5 are arranged at the lower end of the base 6, so that the device has higher maneuverability and is convenient to transfer.
The specific operating principle is as follows: place a plurality of experimental bank protections respectively at every second inslot of accepting board 12, earlier according to the demand to rotating the screw, control thereby the position of the first pneumatic cylinder of slider position control and first plunger 16, it is right accept the angle change interval of the experimental bank protection of board 12 machine and do preliminary macroscopic adjustment, open electronic connecing after that and simulate the rainfall, carry out the first set of experiment. Then, a new test slope is replaced, the worm wheel 30 is meshed with the worm 31 through the manual control connecting rod 32, the second rotating shaft 29 fixedly connected with the worm 31 rotates along with the worm wheel 30, through speed reduction transmission of the reduction gearbox 25, the third rotating shaft 26 rotates slowly to drive the first rotating disc 27 to rotate, an inclined shaft structure which is intersected and not overlapped with the axes of the first rotating disc 27 and the second rotating disc is arranged, the second plungers 13 can be pushed into the second hydraulic oil cylinder 14 in different degrees, hydraulic oil enters the first oil cylinder in different degrees through conveying of the hydraulic oil pipe 15, the first plunger 16 is further pushed to move upwards, the inclination angle of the bearing plate 12 and the test slope is changed, and after the angle is proper, the connecting rod 32 is rotated to enable the worm wheel 30 to be disengaged from the worm 31, so that a second group of tests are carried out. Only need adjust the angle one by one in proper order in the experiment promptly, other secondary angle changes, only need drive the adjustment with the same driving piece of the screw pump body 9, under the experimental condition of multiunit that needs to be accomplished, has improved test efficiency greatly.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. The utility model provides an ecological rock and soil mechanics bank protection test device under rainfall simulation condition which characterized in that includes: the device comprises a base, a screw pump body, a plurality of bearing plates, a reduction box, a spray head, a motor and a test platform;
the test platform comprises a flat plate and a plurality of fixed columns, the upper ends of the fixed columns are fixedly connected with the lower end of the flat plate, the lower end of the fixed shaft is fixedly connected with the upper surface of the base, the upper end of the flat plate is fixedly connected with a plurality of first rotating supports, the plurality of first rotating supports are uniformly distributed along one side edge of the upper surface of the flat plate, a first rotating shaft is rotatably connected between every two supports, a plurality of through grooves are formed in the flat plate in a one-to-one correspondence mode after the first rotation, a plurality of sliding blocks are respectively embedded into each through groove and are in sliding connection with the through grooves, a plurality of hydraulic oil cylinders respectively penetrate through each sliding block in the vertical direction, the outer side walls of the hydraulic oil cylinders are fixedly connected with the sliding blocks, a plurality of first plungers are respectively in sliding connection with the inner walls of the hydraulic oil cylinders, and ball wheels are connected with the upper ends of the first plungers in a rolling mode, one end of each bearing plate is fixedly connected with each first rotating shaft, a first groove is formed in the lower surface of each bearing plate, the ball wheel is embedded into the first groove, the ball wheel is movably connected with the first groove, a second groove is formed in the upper end of each bearing plate, and a test slope protection is placed in the second groove; the lower ends of the hydraulic oil cylinders are provided with hydraulic oil pipes which are communicated with the hydraulic oil cylinders;
the motor is fixedly connected to the upper end of the base, the output end of the electric connector is in transmission connection with a transmission shaft, a second rotating support is arranged and fixedly connected with the base, the transmission shaft penetrates through the second rotating support and is in rotational connection with the second rotating support, a connecting rod is arranged and is in rotational connection with the second rotating support, the rotating axis of the connecting rod is superposed with the axis of the transmission shaft, the upper end of the connecting rod is provided with a through hole, the axis of the through hole is parallel to the axis of the transmission shaft, a worm penetrates through the through hole and is in rotational connection with the connecting rod, one end of the worm is coaxially and fixedly connected with a second driven wheel, one end of the transmission shaft is coaxially and fixedly connected with a driving wheel, and the impact wheel is in transmission connection with the driving wheel through a belt;
a worm wheel is arranged on one side of the worm, when the connecting rod is in a vertical state, the worm wheel is meshed with the worm, a second rotating shaft is fixedly connected with one end of the worm wheel coaxially, one end of the second rotating shaft is rotatably connected with the input end of the reduction gearbox, the output end of the reduction gearbox is connected with a third rotating shaft in a transmission way, a first rotating disc is fixedly connected with the other end of the third rotating shaft coaxially, second plungers with the same number as the hydraulic oil pipes are hinged to one side of the first rotating disc far away from the reduction gearbox through balls, the second plungers are uniformly distributed along the edge of the first rotating disc, a third driving support is fixedly connected to the upper end of the base, a second rotating disc is arranged and rotatably connected with the third rotating support, the axes of the second rotating disc and the first rotating disc are intersected and not collinear, and a plurality of through holes are formed in the end face of the second rotating disc, a plurality of second hydraulic cylinders are fixedly embedded in the through holes, one end of each second hydraulic cylinder is connected with the corresponding second plunger in a sliding mode, and the other end of each second hydraulic cylinder is connected with the other end of the corresponding hydraulic oil pipe in a penetrating mode.
2. The ecological geotechnical slope protection test device under the rainfall simulation condition of claim 1, wherein one end of the sliding block close to the first rotating bracket is provided with a compression spring, one end of the compression spring is fixedly connected with the inner wall of one side of the through groove close to the first rotating bracket, and the other end of the compression spring is fixedly connected with the sliding block; the side wall of the flat plate is provided with a plurality of penetrating threaded holes, screws are arranged on the side wall of the flat plate and are in threaded connection with the threaded holes, and the tail of each screw is attached to one end, far away from the corresponding compression spring, of the corresponding sliding block.
3. The ecological geotechnical slope protection testing device under the rainfall simulation condition as claimed in claim 1, wherein one end of the transmission shaft is in transmission connection with an input end of the screw pump body, a water storage tank is arranged and fixedly connected with the base, a water inlet end of the screw body is in through connection with the water storage tank, a water outlet end of the screw pump body is in through connection with a water delivery pipe, and the other end of the water delivery pipe is fixedly connected with a square nozzle.
4. The ecological geotechnical slope protection test device according to claim 3, wherein the lower end surface of the nozzle is parallel to the plate surface of the flat plate, and the projection of the lower end surface of the nozzle on the plate surface of the flat plate completely covers the plate surface of the flat plate.
5. The ecological geotechnical slope protection testing device according to claim 1, wherein a sewage tank is fixedly connected to the upper end of the base, the sewage tank is located at one end, close to the first rotating shaft, of the base, an inclined plate is arranged at a tank opening of the sewage tank, one end of the inclined plate is fixedly connected to the tank opening, and the other end of the inclined plate is fixedly connected to the side wall, close to the first rotating shaft, of the flat plate.
6. The ecological geotechnical slope protection test device according to claim 1, wherein a plurality of semicircular protractors are fixedly arranged at the upper end of the flat plate, the plurality of protractors are respectively distributed between every two bearing plates, the connector is fixedly connected with the flat plate, pointers are fixedly arranged on the side walls, close to the two leg devices, of the bearing plates, and the pointers are attached to the surfaces of the protractors.
7. The ecological geotechnical slope protection test device of claim 2, wherein a rotating handle is fixedly connected to the head end of the screw.
8. The ecological geotechnical slope protection testing device according to claim 1, wherein the notches of the through grooves are provided with scales.
9. The ecological geotechnical slope protection testing device according to claim 1, wherein a plurality of brake casters are disposed at the lower end of the base.
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| CN202210520814.2A CN114965949B (en) | 2022-05-12 | 2022-05-12 | Ecological rock-soil mechanical slope protection test device under rainfall simulation condition |
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| CN202210520814.2A CN114965949B (en) | 2022-05-12 | 2022-05-12 | Ecological rock-soil mechanical slope protection test device under rainfall simulation condition |
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| Title |
|---|
| 陈亿军;孙可明;赵颖;: "生态护坡条件下坡角对边坡产流产沙规律影响的试验研究", 水资源与水工程学报, no. 04 * |
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| Publication number | Publication date |
|---|---|
| CN114965949B (en) | 2023-06-30 |
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