CN114113541B - Soil erosion and water loss monitoring devices - Google Patents
Soil erosion and water loss monitoring devices Download PDFInfo
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- CN114113541B CN114113541B CN202111399310.1A CN202111399310A CN114113541B CN 114113541 B CN114113541 B CN 114113541B CN 202111399310 A CN202111399310 A CN 202111399310A CN 114113541 B CN114113541 B CN 114113541B
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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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Abstract
The invention discloses a water and soil loss monitoring device, which belongs to the technical field of water and soil loss and comprises a first baffle and side baffle mechanisms, wherein the upper side and the lower side of the right side surface of the first baffle are fixedly connected with the side baffle mechanisms, a soil collecting mechanism is arranged between the two side baffle mechanisms, the soil collecting mechanism is fixedly connected onto the first baffle, an adjusting mechanism is arranged on the first baffle, and the adjusting mechanism is positioned in a cavity formed in the first baffle. According to the invention, the first baffle and the side blocking mechanism are arranged, the first baffle is matched with the second baffle and the U-shaped shell, so that the lost soil can be effectively blocked, the purpose of collecting the lost soil is achieved, people can conveniently calculate the soil loss degree of the highway slope protection in the follow-up process, meanwhile, the U-shaped plate is not fixed any more, the U-shaped shell is controlled to slide at will outside the second baffle, and when the U-shaped rod is loosened, the spring can extend by utilizing the elasticity of the spring, so that the support plate can be jacked to enable the clamping block to be compact and clamped in the clamping groove to fix the U-shaped shell.
Description
Technical Field
The invention belongs to the technical field of water and soil loss, and particularly relates to a water and soil loss monitoring device.
Background
The water and soil loss refers to the phenomenon that water and soil are simultaneously lost due to the influence of natural or artificial factors, rainwater cannot be absorbed on the spot, and the soil flows downwards along the situation and is washed. The main reasons are large ground gradient, improper land utilization, damaged ground vegetation, unreasonable cultivation technology, loose soil texture, excessive forest cutting, excessive grazing and the like. The harm of soil erosion is mainly shown in the following steps: the soil plough layer is eroded and destroyed, so that the soil fertility is gradually depleted; silting rivers, channels and reservoirs, reducing the benefit of hydraulic engineering, even causing flood and drought disasters and seriously affecting industrial and agricultural production; soil erosion and water loss bring serious threats to agricultural production in mountainous areas and downstream riverways.
The gradient of highway bank protection is generally great, causes soil erosion and water loss easily if soil texture is soft and vegetation is sparse, under the condition that soil erosion and water loss is a small amount, people generally can't in time discover, will cause certain potential safety hazard like this, in time discover the soil erosion and water loss condition, but can't carry out concrete monitoring to the loss of water degree, bring certain degree of difficulty for the maintenance of highway bank protection.
Disclosure of Invention
The invention aims to: in order to solve the slope of highway bank protection and generally great, cause soil erosion and water loss easily if the soil property is soft and the vegetation is sparse, under the condition that soil erosion and water loss is a small amount, people generally can't in time discover, will cause certain potential safety hazard like this, discover the soil erosion and water loss condition in time, but can't carry out concrete monitoring to the loss of flow degree, bring the problem of certain degree of difficulty for the maintenance of highway bank protection, and a soil erosion and water loss monitoring devices that provides.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a soil erosion and water loss monitoring devices, includes that first baffle and side keep off the mechanism, the equal fixedly connected with side in upper and lower both sides of first baffle right flank keeps off the mechanism, and two sides keep off and be provided with soil between the mechanism and collect the mechanism, and soil is collected mechanism fixed connection and is provided with adjustment mechanism on the first baffle, and adjustment mechanism is located the inside cavity of seting up of first baffle.
As a further description of the above technical solution:
the side keeps off the mechanism and includes the semicircle shell of fixed connection on first baffle, is provided with the gear in the semicircle shell, and the gear rotates through the loose axle to be connected in the semicircle shell, and the right flank fixedly connected with second baffle of gear, second baffle are located the spacing downthehole that the semicircle shell surface was seted up.
As a further description of the above technical solution:
the outside cover of second baffle is equipped with the U-shaped shell, the equal fixedly connected with slider of the upper and lower both sides face of U-shaped shell inner wall, and slider sliding connection turns right from a left side and has seted up a plurality of draw-in grooves in the spout that second baffle surface was seted up at U-shaped shell inner wall.
As a further description of the above technical solution:
a side fixedly connected with shell that the U-shaped shell was kept away from to the second baffle, a side joint that the second baffle was kept away from to the shell has two movable sleeves, and the movable sleeve is inserted and is equipped with the U-shaped pole, fixedly connected with backup pad on the U-shaped pole, a side fixed connection of spring and shell inner wall is passed through to the backup pad, and a side that the spring was kept away from to the backup pad passes through connecting block fixedly connected with fixture block, and the connecting block passes the slide opening that a side was seted up of second baffle, and the fixture block card is gone into to the draw-in groove.
As a further description of the above technical solution:
the soil collection mechanism comprises a semi-arc collection box attached to the right side face of the first baffle, the front of the semi-arc collection box and the front of the first baffle are hinged through two hinges, pull ropes are fixedly connected to the upper side and the lower side of the front of the semi-arc collection box, a buckle is detachably connected to the other end of each pull rope, and the buckle is fixedly connected to the upper surface of the first baffle.
As a further description of the above technical solution:
soil collection mechanism still includes the motor, the equal fixedly connected with dead lever of the upper and lower both sides face of motor, and the outside cover of dead lever is equipped with fixed cover, and fixed cover joint is on the connecting plate, the right-hand member of dead lever and the left surface fixed connection of first baffle.
As a further description of the above technical solution:
the left surface joint of connecting plate has first screw cap, first screw cap female connection has first screw thread post, the left end of first screw thread post and the output shaft fixed connection of motor, the first pivot of right-hand member fixedly connected with of first screw thread post, the outside cover of first pivot is equipped with first bearing, first bearing joint is at the left surface of first baffle, the equal fixedly connected with slide bar in upper and lower both sides of connecting plate right flank, the slide bar cover is established in the sliding sleeve of first baffle left surface joint, the right-hand member fixedly connected with extrusion piece of slide bar, the extrusion piece is located the cavity, the extrusion piece is located the through hole that first baffle right flank was seted up.
As a further description of the above technical solution:
the adjusting mechanism comprises a second rotating shaft which is clamped on the front surface of the first baffle, a hand wheel is fixedly connected with one end of the second rotating shaft, a first bevel gear is fixedly connected with the other end of the second rotating shaft, second bevel gears are meshed with the two sides of the first bevel gear, two far away surfaces of the second bevel gears are fixedly connected with a third rotating shaft through second threaded columns, a third bearing is sleeved on the outer side of the third rotating shaft, and the two third bearings are respectively clamped on the upper side surface and the lower side surface of the inner wall of the cavity.
As a further description of the above technical solution:
the right side face of the second threaded cap is fixedly connected with a rack, the rack is meshed with a gear, and the gear is located in a second through hole formed in the right side face of the first baffle.
As a further description of the above technical solution:
first through-holes are formed in the upper side face and the lower side face of the first baffle, and the rack penetrates through the first through-holes.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through arranging the first baffle and the side blocking mechanism, the first baffle is matched with the second baffle and the U-shaped shell to effectively block lost soil, the purpose of collecting the lost soil is achieved, people can conveniently calculate the soil loss degree of the highway slope protection in a follow-up manner, the U-shaped shell is controlled to slide outside the second baffle, so that the overall length of the U-shaped shell and the second baffle can be effectively adjusted, the highway slope protection device can be suitable for highway slope protection of different sizes, through arranging the clamping block, the clamping groove and the U-shaped rod, the clamping block can be driven to move through the supporting plate and the connecting block by pulling the U-shaped rod, the clamping block is separated from the clamping groove at the moment, meanwhile, the U-shaped plate is not fixed any more, the U-shaped shell is controlled to slide outside the second baffle at will, when the U-shaped rod is loosened, the spring can extend by utilizing the elasticity of the spring, and the supporting plate and the clamping block can be pushed to fix the U-shaped shell in the clamping groove.
2. According to the invention, through the arrangement of the adjusting mechanism, the second rotating shaft is controlled to rotate through the hand wheel, the second rotating shaft drives the second bevel gear to rotate through the first bevel gear, the second bevel gear can drive the second threaded column to rotate, so that the second threaded cap can move, the two second threaded caps are controlled to move back and forth, the rack can be driven to move back and forth, the rack can drive the gear to rotate, the gear can drive the second baffle and the U-shaped shell to rotate, the distance between the two second baffles can be adjusted, the lost water and soil with different areas can be collected, and people can conveniently detect the lost water and soil according to actual conditions.
3. According to the invention, by arranging the soil collection mechanism, after the device is used for a certain time, the buckle is loosened so that the pull rope does not pull the semi-arc collection box, meanwhile, the semi-arc collection box falls under the action of self gravity, soil pushed and extruded at the periphery of the first baffle plate is gathered together, then, the motor is controlled to work to drive the first threaded column to rotate, under the action of the first threaded cap, the first threaded cap can drive the connecting plate to move, the connecting plate drives the extrusion block to move through the slide rod, the extrusion block is matched with the semi-arc collection box to extrude the gathered soil, the soil is compacted to facilitate people to collect lost soil, finally, the soil is collected and weighed by people, and the water and soil loss degree of the highway slope protection is detected according to the land area.
Drawings
Fig. 1 is a schematic structural diagram of a soil erosion monitoring device according to the present invention;
FIG. 2 is a schematic structural diagram of a side view of an adjusting mechanism in the soil erosion monitoring device according to the present invention;
FIG. 3 is a schematic cross-sectional view of a U-shaped casing of a soil erosion monitoring device according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first baffle plate of the soil erosion monitoring device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a semicircular shell in a soil erosion monitoring device according to the present invention;
fig. 6 is a schematic cross-sectional view of a top view of a housing of a soil erosion monitoring device according to the present invention.
Illustration of the drawings:
1. a first baffle; 2. a side blocking mechanism; 21. a semi-circular shell; 22. a second baffle; 23. a U-shaped shell; 24. a card slot; 25. a slide hole; 26. a slider; 27. a housing; 28. a U-shaped rod; 29. a spring; 210. a support plate; 211. connecting blocks; 212. a clamping block; 213. a gear; 214. a limiting hole; 215. a movable shaft; 3. a soil collection mechanism; 31. buckling; 32. pulling a rope; 33. a hinge; 34. a semi-arc collection box; 35. a motor; 36. fixing the rod; 37. a connecting plate; 38. a first threaded post; 39. a first rotating shaft; 310. a slide bar; 311. a sliding sleeve; 312. extruding the block; 4. an adjustment mechanism; 41. a hand wheel; 42. a second rotating shaft; 43. a first bevel gear; 44. a second bevel gear; 45. a rack; 46. a second threaded post; 47. a third rotating shaft; 5. a first through hole; 6. a second via.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a soil erosion monitoring device comprises a first baffle plate 1 and a side blocking mechanism 2, wherein the upper side and the lower side of the right side of the first baffle plate 1 are fixedly connected with the side blocking mechanism 2, the side blocking mechanism 2 comprises a semicircular shell 21 fixedly connected to the first baffle plate 1, a gear 213 is arranged in the semicircular shell 21, the gear 213 is rotatably connected in the semicircular shell 21 through a movable shaft 215, the right side of the gear 213 is fixedly connected with a second baffle plate 22, the second baffle plate 22 is positioned in a limiting hole 214 formed in the outer surface of the semicircular shell 21, the outer side of the second baffle plate 22 is sleeved with a U-shaped shell 23, the upper side and the lower side of the inner wall of the U-shaped shell 23 are fixedly connected with sliders 26, the sliders 26 are slidably connected in sliding grooves formed in the outer surface of the second baffle plate 22, a plurality of clamping grooves 24 are formed in the inner wall of the U-shaped shell 23 in a left-right direction, a side of the first baffle plate 22, which is far away from the U-shaped shell 23 is fixedly connected with a shell 27, one side of the shell 27 is clamped with two movable sleeves, the U-shaped rods 28 are inserted in the movable sleeves, a supporting plate 210 is fixedly connected with clamping grooves 27 through springs 29, the clamping blocks 212, the clamping grooves are connected in one side of the clamping blocks which is connected in the clamping blocks 21, and penetrates through the clamping blocks 212, and the clamping blocks 212 which are connected in the side of the clamping blocks which are far away from the fixed side of the clamping blocks 24;
the specific implementation mode is as follows: through setting up first baffle 1 and side fender mechanism 2, wherein first baffle 1 cooperation second baffle 22 and U-shaped shell 23 can effectively block the soil that runs off, reach the purpose of collecting the soil that runs off, make things convenient for people's follow-up calculation highway bank protection soil loss degree, control U-shaped shell 23 slides in the second baffle 22 outside, thereby make U-shaped shell 23 and second baffle 22's overall length can effectively be adjusted, can be applicable to the not highway bank protection of equidimension, through setting up fixture block 212, draw-in groove 24 and U-shaped pole 28, pulling U-shaped pole 28 can drive fixture block 212 through backup pad 210 and connecting block 211 and remove, fixture block 212 breaks away from draw-in groove 24 this moment, U-shaped board no longer is fixed simultaneously, control U-shaped shell 23 slides at the second baffle 22 outside at will, when loosening U-shaped pole 28, spring 29 can utilize self elastic extension, thereby can push up backup pad 210 and let the card of fixture block 212 fix U-shaped shell 23 in draw-in groove 24.
A soil collection mechanism 3 is arranged between the two side blocking mechanisms 2, the soil collection mechanism 3 is fixedly connected to the first baffle 1, the soil collection mechanism 3 comprises a semi-arc collection box 34 attached to the right side surface of the first baffle 1, the front surface of the semi-arc collection box 34 is hinged to the front surface of the first baffle 1 through two hinges 33, pull ropes 32 are fixedly connected to the upper and lower sides of the front surface of the semi-arc collection box 34, the other end of each pull rope 32 is detachably connected with a buckle 31, the buckle 31 is fixedly connected to the upper surface of the first baffle 1, the soil collection mechanism 3 further comprises a motor 35, fixed rods 36 are fixedly connected to the upper and lower side surfaces of the motor 35, a fixed sleeve is sleeved on the outer side of each fixed rod 36 and is clamped on a connecting plate 37, the right end of each fixed rod 36 is fixedly connected to the left side surface of the first baffle 1, a first threaded cap is clamped on the left side surface of the connecting plate 37, a first threaded cap is connected to an internal threaded post 38, the left end of the first threaded post 38 is fixedly connected to an output shaft of the motor 35, the right end of the first threaded post 38 is fixedly connected to a first rotating shaft 39, a bearing block 310 is clamped in a left side surface of the first sliding rod bearing block 310, a left side surface of the first sliding block 310, a left side surface of the sliding block 310 is positioned in a left side surface of the sliding block 1, a sliding block 310 is positioned in a sliding block 310, a sliding block 310 is positioned in a sliding block 310 positioned in a sliding block 1, and a sliding block 310 positioned in a sliding block 1;
the specific implementation mode is as follows: through setting up soil collection mechanism 3, after the device uses the certain time, loosen buckle 31 and make stay cord 32 no longer hold half arc and collect box 34, half arc is collected box 34 and is dropped under the effect of self gravity simultaneously, and will push away and gather together at the peripheral soil of first baffle 1, control motor 35 work afterwards drives first screw thread post 38 rotatory, under the effect of first screw cap, first screw cap can drive connecting plate 37 and remove, connecting plate 37 drives extrusion piece 312 through slide bar 310 and removes, the soil that box 34 extrusion was gathered together is collected to extrusion piece 312 cooperation half arc, make things convenient for people to collect the soil of loss after the soil compaction, at last people collect soil and weigh, detect the soil erosion and water loss degree of highway bank protection according to the land area.
The first baffle plate 1 is provided with an adjusting mechanism 4, the adjusting mechanism 4 is located in a cavity formed in the first baffle plate 1, the adjusting mechanism 4 comprises a second rotating shaft 42 clamped on the front surface of the first baffle plate 1, one end of the second rotating shaft 42 is fixedly connected with a hand wheel 41, the other end of the second rotating shaft 42 is fixedly connected with a first bevel gear 43, two sides of the first bevel gear 43 are respectively engaged with second bevel gears 44, the far surfaces of the two second bevel gears 44 are respectively and fixedly connected with a third rotating shaft 47 through second threaded columns 46, a third bearing is sleeved on the outer side of the third rotating shaft 47, the two third bearings are respectively clamped on the upper side surface and the lower side surface of the inner wall of the cavity, the right side surface of each second threaded cap is fixedly connected with a rack 45, the rack 45 is engaged with a gear 213, the gear 213 is located in a second through hole 6 formed in the right side surface of the first baffle plate 1, the upper side surface and the lower side surface of the first baffle plate 1 are respectively provided with a first through hole 5, and the rack 45 penetrates through hole 5;
the specific implementation mode is as follows: through setting up adjustment mechanism 4, wherein it is rotatory to control second pivot 42 through hand wheel 41, second pivot 42 drives second bevel gear 44 through first bevel gear 43 and rotates, second bevel gear 44 can drive second screw thread post 46 rotatory, thereby make the second screw thread cap can remove, control two second screw thread cap back-and-forth movements, and then can drive rack 45 back-and-forth movement, rack 45 can drive gear 213 rotatory, gear 213 can drive second baffle 22 and U-shaped shell 23 rotatory, thereby adjust interval between two second baffles 22, can collect the loss soil and water of different areas size, make things convenient for people to detect the soil and water loss according to actual conditions.
The working principle is as follows: when the device is used, the U-shaped shell 23 is controlled to slide outside the second baffle 22, so that the overall length of the U-shaped shell 23 and the second baffle 22 can be effectively adjusted, the device can be suitable for highway slope protection with different sizes, the second rotating shaft 42 is controlled to rotate through the hand wheel 41, the second rotating shaft 42 drives the second bevel gear 44 to rotate through the first bevel gear 43, the second bevel gear 44 drives the second threaded column 46 to rotate, so that the second threaded cap can move, the two second threaded caps are controlled to move back and forth, the rack 45 can be driven to move back and forth, the rack 45 can drive the gear 213 to rotate, the gear 213 can drive the second baffle 22 and the U-shaped shell 23 to rotate, the distance between the two second baffles 22 is adjusted, and water and soil loss with different areas can be collected, after the device uses a certain time, loosen buckle 31 and make stay cord 32 no longer hold half arc and collect box 34, half arc is collected box 34 and is dropped under the effect of self gravity simultaneously, and will push and gather together at the peripheral soil of first baffle 1, control motor 35 work drives first screw post 38 rotatory afterwards, under the effect of first screw cap, first screw cap can drive connecting plate 37 and remove, connecting plate 37 drives extrusion piece 312 through slide bar 310 and removes, the extrusion piece 312 cooperates the soil that box 34 extrusion was gathered together of half arc to collect, make things convenient for people to collect the soil of loss after the soil compaction, people collect soil and weigh at last, detect the soil erosion and water loss degree of highway bank protection according to land area.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (3)
1. A water and soil loss monitoring device comprises a first baffle plate (1) and side blocking mechanisms (2), and is characterized in that the upper side and the lower side of the right side surface of the first baffle plate (1) are fixedly connected with the side blocking mechanisms (2), a soil collecting mechanism (3) is arranged between the two side blocking mechanisms (2), the soil collecting mechanism (3) is fixedly connected onto the first baffle plate (1), an adjusting mechanism (4) is arranged on the first baffle plate (1), and the adjusting mechanism (4) is positioned in a cavity formed in the first baffle plate (1);
the side blocking mechanism (2) comprises a semicircular shell (21) fixedly connected to the first blocking plate (1), a gear (213) is arranged in the semicircular shell (21), the gear (213) is rotatably connected into the semicircular shell (21) through a movable shaft (215), the right side surface of the gear (213) is fixedly connected with a second blocking plate (22), and the second blocking plate (22) is positioned in a limiting hole (214) formed in the outer surface of the semicircular shell (21);
the soil collection mechanism (3) comprises a semi-arc collection box (34) attached to the right side face of the first baffle plate (1), the front face of the semi-arc collection box (34) is hinged to the front face of the first baffle plate (1) through two hinges (33), pull ropes (32) are fixedly connected to the upper side and the lower side of the front face of the semi-arc collection box (34), the other end of each pull rope (32) is detachably connected with a buckle (31), and each buckle (31) is fixedly connected to the upper surface of the first baffle plate (1); the soil collection mechanism (3) further comprises a motor (35), the upper side surface and the lower side surface of the motor (35) are fixedly connected with fixing rods (36), the outer side of each fixing rod (36) is sleeved with a fixing sleeve, the fixing sleeves are clamped on the connecting plates (37), and the right end of each fixing rod (36) is fixedly connected with the left side surface of the first baffle (1); the left side surface of the connecting plate (37) is connected with a first threaded cap in a clamping mode, a first threaded column (38) is connected with the inner thread of the first threaded cap in a threaded mode, the left end of the first threaded column (38) is fixedly connected with an output shaft of the motor (35), a first rotating shaft (39) is fixedly connected with the right end of the first threaded column (38), a first bearing is sleeved on the outer side of the first rotating shaft (39) and is connected with the left side surface of the first baffle plate (1) in a clamping mode, sliding rods (310) are fixedly connected to the upper side surface and the lower side surface of the right side surface of the connecting plate (37), the sliding rods (310) are sleeved in sliding sleeves (311) connected with the left side surface of the first baffle plate (1) in a clamping mode, an extrusion block (312) is fixedly connected to the right end of each sliding rod (310), the extrusion block (312) is located in a cavity, and the extrusion block (312) is located in a through hole formed in the right side surface of the first baffle plate (1);
the adjusting mechanism (4) comprises a second rotating shaft (42) clamped on the front surface of the first baffle (1), one end of the second rotating shaft (42) is fixedly connected with a hand wheel (41), the other end of the second rotating shaft (42) is fixedly connected with a first bevel gear (43), two sides of the first bevel gear (43) are respectively meshed with a second bevel gear (44), the far surfaces of the two second bevel gears (44) are respectively fixedly connected with a third rotating shaft (47) through a second threaded column (46), a third bearing is sleeved on the outer side of the third rotating shaft (47), and the two third bearings are respectively clamped on the upper side surface and the lower side surface of the inner wall of the cavity; the right side surface of the second threaded cap is fixedly connected with a rack (45), the rack (45) is meshed with a gear (213), and the gear (213) is positioned in a second through hole (6) formed in the right side surface of the first baffle plate (1);
first through-hole (5) have all been seted up to the upper and lower both sides face of first baffle (1), and first through-hole (5) are passed in rack (45).
2. The water and soil loss monitoring device according to claim 1, wherein a U-shaped shell (23) is sleeved on the outer side of the second baffle (22), sliding blocks (26) are fixedly connected to the upper side surface and the lower side surface of the inner wall of the U-shaped shell (23), the sliding blocks (26) are slidably connected in sliding grooves formed in the outer surface of the second baffle (22), and a plurality of clamping grooves (24) are formed in the inner wall of the U-shaped shell (23) from left to right.
3. The water and soil loss monitoring device according to claim 2, wherein a side face, far away from the U-shaped shell (23), of the second baffle plate (22) is fixedly connected with a shell (27), two movable sleeves are clamped on a side face, far away from the second baffle plate (22), of the shell (27), U-shaped rods (28) are inserted in the movable sleeves, a supporting plate (210) is fixedly connected onto the U-shaped rods (28), the supporting plate (210) is fixedly connected with a side face of the inner wall of the shell (27) through springs (29), a side face, far away from the springs (29), of the supporting plate (210) is fixedly connected with clamping blocks (212) through connecting blocks (211), the connecting blocks (211) penetrate through sliding holes (25) formed in a side face of the second baffle plate (22), and the clamping blocks (212) are clamped into the clamping grooves (24).
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| CN202111399310.1A CN114113541B (en) | 2021-11-24 | 2021-11-24 | Soil erosion and water loss monitoring devices |
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| CN202111399310.1A CN114113541B (en) | 2021-11-24 | 2021-11-24 | Soil erosion and water loss monitoring devices |
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| CN114113541A (en) | 2022-03-01 |
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