River sediment content monitoring device

Abstract

The invention discloses a river sediment content monitoring device, and belongs to the technical field of hydrological monitoring, the river sediment content monitoring device comprises a box body, a floating plate and a sampling barrel, the floating plate is fixed on the outer wall of the box body, the top of the box body is fixedly connected with a supporting plate, and the supporting plate is rotatably connected with a mounting plate; through cooperative cooperation of a first gear, a gear ring, a circular plate, a driving plate and a driving disc, when a rotating winding roller drives a sampling barrel to move downwards by one stage, the first gear drives the gear ring and the driving plate to rotate by one circle, and the driving plate drives the driving disc to rotate, so that an unused sampling bottle is moved to a water outlet pipe, and the winding roller is continuously driven to rotate; the sampling barrels are sequentially moved downwards stage by stage, meanwhile, the sampling bottles are rotated stage by stage, it is guaranteed that river water sampled each time enters different sampling bottles to be collected, operation is easy and convenient, multi-point sampling can be achieved at a time, workers do not need to pull the sampling barrels for multiple times to collect river water samples, and time and labor are saved.

Description

Technical Field

[0001] This invention relates to the field of hydrological monitoring technology, specifically a device for monitoring river sediment content. Background Technology

[0002] Monitoring river sediment content is a crucial foundation for assessing water quality, designing hydraulic engineering projects, and protecting the ecosystem. Core methods include gravimetric analysis (calculating sediment content by drying and weighing), sedimentation (estimating content using particle deposition height), and sieving (determining particle distribution using graded sieves). However, due to the significant vertical stratification of sediment distribution in rivers (e.g., surface sediment content is typically lower than near the riverbed), and the differences in hydrodynamic conditions at different depths affect sediment transport patterns, it is necessary to obtain representative data through multi-depth stratified sampling (e.g., key depths such as the surface, 0.2H, 0.6H, 0.8H, and the bottom).

[0003] An investigation revealed that a Chinese invention patent (publication number: CN119223828B) discloses a river sediment content monitoring device, which includes a detection box. A hook is fixedly connected to the top side wall of the detection box. A through hole is opened on one side wall of the detection box, and a water inlet pipe is fixedly connected inside the corresponding through hole. A first water pump is fixedly connected to the inner wall of the detection box. The water inlet of the first water pump is fixedly connected to one end of the water inlet pipe. A first solenoid valve is provided at one end of the water inlet pipe. A through hole is opened on one side wall of the detection box, and a water outlet pipe is fixedly connected inside the corresponding through hole.

[0004] While the aforementioned patent allows for precise control of the testing chamber's depth within the river by incorporating an airbag, enabling sampling and testing of river water at different depths, the entire device is completely submerged during sampling. This makes it impossible to visually observe its operation in the water and also inconveniences staff in extracting samples for testing. Currently, commonly used river water sampling equipment includes horizontal samplers, which involve horizontally positioning a sampling tube in the river water and sealing the tube with plugs at both ends before lifting the sampler to collect samples. Although this method is simple to operate, collecting river water samples requires staff to lift the sampler out of the water, drain the internal river water, and then reinsert it, repeatedly adjusting the sampler's depth and repeatedly lifting it to collect samples at different depths. This cumbersome and time-consuming process significantly impacts sampling efficiency.

[0005] Therefore, the present invention provides a river sediment content monitoring device to solve the above-mentioned problems. Summary of the Invention

[0006] (a) Technical problems to be solved

[0007] This invention provides a river sediment content monitoring device, which aims to solve the problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, the present invention provides the following technical solution: a box body, a float plate, and a sampling cylinder are included. The float plate is fixed to the outer wall of the box body. A support plate is fixedly connected to the top of the box body. An mounting plate is rotatably connected to the support plate. Multiple mounting seats are fixedly connected to the mounting plate. Sampling bottles are placed on the mounting seats. A telescopic shell is fixedly connected inside the box body, and the end of the telescopic shell penetrates through the bottom of the box body and is connected to the sampling bottle. An adjustment mechanism is provided inside the box body. The adjustment mechanism includes a winding roller, a steel wire rope, a drive shaft, a connecting ring, and a limiting ring. The steel wire rope is wound around the winding roller. The limiting ring is fixedly connected to the connecting ring. The connecting ring is sleeved on the drive shaft. The end of the steel wire rope passes through the limiting ring and is fixedly connected to the telescopic shell.

[0010] A linkage mechanism is provided between the winding roller and the mounting plate. The linkage mechanism includes a first gear, a gear ring, a circular plate, a drive plate, and a drive disk. The circular plate is rotatably connected to the top of the housing. The drive plate is coaxially fixed to the top of the circular plate. The gear ring is coaxially fixed to the bottom of the circular plate. The first gear is coaxially fixed to the winding roller and meshes with the gear ring. The outer wall of the drive disk is provided with multiple drive grooves and arc-shaped grooves, which are alternately arranged. The drive plate is adapted to the arc-shaped grooves. A drive block is fixedly connected to the circular plate and is adapted to the drive grooves.

[0011] As a preferred technical solution of this application, the winding roller and the drive shaft are both rotatably connected to the housing, and a second gear is coaxially fixed on the drive shaft, and the second gear meshes with the first gear.

[0012] As a preferred technical solution of this application, a spiral groove is provided on the drive shaft, and a movable block is fixedly connected to the inner wall of the connecting ring, and the movable block is movably connected in the spiral groove.

[0013] As a preferred technical solution of this application, the inner wall of the box is symmetrically provided with sliding grooves, and the outer wall of the connecting ring is symmetrically fixed with limiting rods, and the limiting rods are slidably connected in the sliding grooves.

[0014] As a preferred technical solution of this application, the drive disk is rotatably connected to the top of the support plate, and the drive disk is disposed at the bottom of the mounting plate and coaxially fixed with the mounting plate.

[0015] As a preferred technical solution of this application, the bottom of the telescopic shell is fixedly connected to an installation cylinder, the sampling cylinder is fixedly connected to the bottom of the installation cylinder, and both ends of the sampling cylinder are rotatably connected to cover plates.

[0016] As a preferred technical solution of this application, fixing blocks are symmetrically fixed on the side walls of the cover plate and the sampling cylinder, and a spring is fixedly connected between two adjacent fixing blocks on one side.

[0017] As a preferred technical solution of this application, a connecting plate is provided inside the mounting cylinder, and a connecting platform is fixedly connected to both the cover plate and the connecting plate. A connecting rod is provided between the connecting plate and the cover plate, and both ends of the connecting rod are rotatably connected to the connecting platform.

[0018] As a preferred technical solution of this application, a fixed frame is fixedly connected inside the telescopic shell, and an electric push rod is fixedly connected between the fixed frame and the telescopic shell. The output end of the electric push rod passes through the bottom of the telescopic shell and is fixedly connected to the connecting plate.

[0019] As a preferred technical solution of this application, a water pump is fixedly connected to the top of the support plate, and a water outlet pipe is sealed to the water pump. The port of the water outlet pipe is opposite to the mouth of the sampling bottle, and a spiral tube is sealed between the bottom of the sampling cylinder and the water pump.

[0020] (III) Beneficial Effects

[0021] 1. By setting up the coordinated operation between the first gear, gear ring, circular plate, drive plate and drive disk, when the rotating roller drives the sampling cylinder to move down one stage, the first gear drives the gear ring and drive plate to rotate one revolution, and the drive plate drives the drive disk to rotate, so that the unused sampling bottle moves to the water outlet pipe. The rotating roller continues to drive the sampling cylinder to move down one stage in sequence, and the sampling bottle rotates in stages. This ensures that the river water sampled each time enters a different sampling bottle for collection. The operation is simple and convenient, and multi-point sampling can be achieved at one time. There is no need for staff to pull the sampling cylinder repeatedly to collect river water samples, which saves time and effort.

[0022] 2. By setting up the coordinated operation between the winding roller, wire rope, drive shaft, connecting ring and limiting ring, rotating the winding roller can adjust the depth of the sampling cylinder. At the same time, the meshing first gear and second gear drive the drive shaft to rotate. The drive shaft can adjust the position of the limiting ring according to the wire rope to ensure that the wire rope can be evenly wound on the winding roller and prevent the wire rope from stacking and jamming. Attached Figure Description

[0023] Figure 1 A schematic diagram of a river sediment content monitoring device;

[0024] Figure 2 A structural breakdown diagram of a river sediment content monitoring device;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the installation of the drive disc and drive plate in a river sediment content monitoring device.

[0027] Figure 5 A cross-sectional view of the expansion shell in a river sediment content monitoring device;

[0028] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0029] Figure 7 for Figure 5 Enlarged view of point C in the middle;

[0030] Figure 8 A cross-sectional view of a river sediment content monitoring device;

[0031] Figure 9 for Figure 8 Enlarged view of point D in the middle.

[0032] In the picture:

[0033] 1. Box body; 2. Float plate; 3. Support plate; 4. Mounting plate; 5. Sampling bottle; 6. Water outlet pipe; 7. Telescopic shell; 8. Mounting cylinder; 9. Sampling cylinder; 10. Mounting base; 11. Spiral tube; 12. Connecting rod; 13. Cover plate; 14. Spring; 15. Water pump; 16. Drive disc; 17. Drive groove; 18. Arc groove; 19. Circular plate; 20. Drive plate; 21. Drive block; 22. Gear ring; 23. First gear; 24. Winding roller; 25. Steel wire rope; 26. Second gear; 27. Drive shaft; 28. Spiral groove; 29. ​​Connecting ring; 30. Movable block; 31. Limiting rod; 32. Limiting ring; 33. Fixing frame; 34. Electric push rod; 35. Connecting plate; 36. Connecting platform; 37. Fixing block; 38. Slide groove. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] This invention provides a device for monitoring river sediment content, such as... Figures 1-9As shown, the technical solution includes a housing 1, a float 2, and a sampling cylinder 9. The float 2 is fixed to the outer wall of the housing 1. A support plate 3 is fixedly connected to the top of the housing 1. A mounting plate 4 is rotatably connected to the support plate 3. Multiple mounting seats 10 are fixedly connected to the mounting plate 4. Sampling bottles 5 are placed on the mounting seats 10. A telescopic shell 7 is fixedly connected inside the housing 1, and the end of the telescopic shell 7 penetrates through the bottom of the housing 1 and is connected to the sampling bottle 5. An adjustment mechanism is provided inside the housing 1. The adjustment mechanism includes a winding roller 24, a steel wire rope 25, a drive shaft 27, a connecting ring 29, and a limiting ring 32. The steel wire rope 25 is wound around the winding roller 24, and the limiting ring 32... Positioning ring 32 is fixedly connected to connecting ring 29. Connecting ring 29 is sleeved on drive shaft 27. The end of wire rope 25 passes through limiting ring 32 and is fixedly connected to telescopic shell 7. Through the coordinated cooperation between winding roller 24, wire rope 25, drive shaft 27, connecting ring 29 and limiting ring 32, rotating winding roller 24 can adjust the depth of sampling cylinder 9. At the same time, the first gear 23 and the second gear 26 mesh to drive drive shaft 27 to rotate. Drive shaft 27 can adjust the position of limiting ring 32 according to wire rope 25 to ensure that wire rope 25 can be evenly wound on winding roller 24 and to prevent wire rope 25 from stacking and jamming.

[0036] As explained here, the telescopic shell 7 is composed of multiple nested and slidably connected frames. The top of the innermost frame is sealed, while the bottom is open. The tops and bottoms of the other frames are open. The outermost frame of the telescopic shell 7 is fixedly installed to the inner wall of the housing 1. The top of the innermost frame is fixedly connected to one end of the wire rope 25. Therefore, when the wire rope 25 is released, the outermost frame remains stationary, while the other frames move down. As the wire rope 25 continues to descend, the innermost frame is removed.

[0037] A linkage mechanism is provided between the winding roller 24 and the mounting plate 4. The linkage mechanism includes a first gear 23, a gear ring 22, a circular plate 19, a drive plate 20, and a drive disk 16. The circular plate 19 is rotatably connected to the top of the housing 1. The drive plate 20 is coaxially fixed to the top of the circular plate 19. The gear ring 22 is coaxially fixed to the bottom of the circular plate 19. The first gear 23 is coaxially fixed to the winding roller 24 and meshes with the gear ring 22. The outer wall of the drive disk 16 has multiple drive grooves 17 and arc-shaped grooves 18, which are alternately arranged. The drive plate 20 is adapted to the arc-shaped grooves 18. A drive block 21 is fixedly connected to the circular plate 19 and is adapted to the drive grooves 17. Through the coordinated operation of the first gear 23, gear ring 22, circular plate 19, drive plate 20 and drive disk 16, when the rotating roller 24 drives the sampling cylinder 9 to move down one stage, the first gear 23 drives the gear ring 22 and drive plate 20 to rotate one revolution, and the drive plate 20 drives the drive disk 16 to rotate, so that the unused sampling bottle 5 is moved to the water outlet pipe 6. The rotating roller 24 is continuously driven to rotate, so that the sampling cylinder 9 moves down stage by stage, and the sampling bottle 5 rotates stage by stage, ensuring that the river water sampled each time enters a different sampling bottle 5 for collection. The operation is simple and convenient, and multi-point sampling can be achieved at one time. There is no need for staff to pull the sampling cylinder 9 repeatedly to collect river water samples, which saves time and effort.

[0038] It should be noted that a servo motor is installed inside the housing 1. The output shaft of the servo motor is coaxially fixed with the winding roller 24. The servo motor drives the winding roller 24 to rotate. The servo motor is connected to an external power supply through wires. The external power supply includes a battery for providing power to the servo motor and a control switch for controlling its start and stop. The external power supply is existing technology. The output of the servo motor can achieve forward and reverse rotation by changing the direction of the current. The servo motor is existing technology and is not shown in the figure. It will not be elaborated on here. The specific model and specifications of the servo motor need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0039] Reference Figure 3 , Figure 6 and Figure 9 As shown, the winding roller 24 and the drive shaft 27 are rotatably connected inside the housing 1. A second gear 26 is coaxially fixed on the drive shaft 27, and the second gear 26 meshes with the first gear 23. A spiral groove 28 is provided on the drive shaft 27. A movable block 30 is fixedly connected to the inner wall of the connecting ring 29, and the movable block 30 is movably connected in the spiral groove 28. A sliding groove 38 is symmetrically provided on the inner wall of the housing 1. A limit rod 31 is symmetrically fixed on the outer wall of the connecting ring 29, and the limit rod 31 is slidably connected in the sliding groove 38.

[0040] When in use, the servo motor is started to drive the winding roller 24 and the first gear 23 to rotate. The rotating winding roller 24 releases the wire rope 25, and the sampling cylinder 9 moves under its own gravity. At the same time, the rotating first gear 23 drives the drive shaft 27 to rotate through the meshing second gear 26. The drive shaft 27 drives the movable block 30 to move through the spiral groove 28, which in turn drives the connecting ring 29 and the limiting ring 32 to move. This allows the limiting ring 32 to be adjusted according to the position of the released wire rope 25, preventing the wire rope 25 from stacking when it is wound on the winding roller 24, and adjusting the sampling cylinder 9 to move downward in stages.

[0041] Reference Figure 1 , Figure 3 and Figure 4 As shown, the drive disk 16 is rotatably connected to the top of the support plate 3. The drive disk 16 is set at the bottom of the mounting plate 4 and is coaxially fixed with the mounting plate 4. When the first gear 23 and the roller 24 rotate and drive the sampling cylinder 9 to move down one stage, the rotating first gear 23 just drives the meshing gear ring 22 to rotate one revolution. The gear ring 22 drives the drive plate 20 and the drive block 21 to rotate. The drive block 21 drives the drive disk 16 to rotate stage by stage through the drive groove 17, so that the adjacent empty sampling bottles 5 containing river water samples move to the port of the water outlet pipe 6. The above operation is repeated until the different sampling bottles 5 are filled with river water samples of different depths to achieve the purpose of multi-point sampling.

[0042] It should be noted that when the roller 24 rotates and drives the sampling cylinder 9 to move down one stage, the first gear 23, which is coaxially fixed with the roller 24, will drive the meshing gear ring 22 to rotate one revolution. The number of drive grooves 17 is the same as the number of sampling bottles 5. (Refer to...) Figure 1 As shown in the figure, five sampling bottles 5 are displayed. The number of driving grooves 17 arranged in a circle is five. When the circular plate 19 drives the driving block 21 to rotate one revolution, the driving block 21 will only drive the driving disk 16 to rotate one-fifth of a revolution during the process of contacting and separating from the driving groove 17. This will drive the five sampling bottles 5 arranged in a circle to rotate one-fifth of a revolution, thereby moving the adjacent empty sampling bottle 5 containing the river water sample to the port of the water outlet pipe 6. The sampling cylinder 9 is then driven to move down one stage, and the driving block 21 is driven to rotate one revolution. This will drive the driving disk 16 to rotate one-fifth of a revolution. The above operation is repeated until the driving disk 16 rotates one revolution, so that the five sampling bottles 5 can be filled with river water samples of different depths.

[0043] Reference Figure 2 , Figure 7 and Figure 8As shown, an installation cylinder 8 is fixedly connected to the bottom of the telescopic shell 7, and a sampling cylinder 9 is fixedly connected to the bottom of the installation cylinder 8. Both ends of the sampling cylinder 9 are rotatably connected to cover plates 13. Fixing blocks 37 are symmetrically fixed to the side walls of both the cover plates 13 and the sampling cylinder 9. A spring 14 is fixedly connected between two adjacent fixing blocks 37 on one side. A connecting plate 35 is provided inside the installation cylinder 8. Connecting platforms 36 are fixedly connected to both the cover plates 13 and the connecting plates 35. A connecting rod 12 is provided between the connecting plate 35 and the cover plates 13. Both ends of 12 are rotatably connected to the connecting platform 36. A fixed frame 33 is fixedly connected inside the telescopic shell 7. An electric push rod 34 is fixedly connected between the fixed frame 33 and the telescopic shell 7. The output end of the electric push rod 34 passes through the bottom of the telescopic shell 7 and is fixedly connected to the connecting plate 35. A water pump 15 is fixedly connected to the top of the support plate 3. A water outlet pipe 6 is sealed on the water pump 15. The port of the water outlet pipe 6 is opposite to the mouth of the sampling bottle 5. A spiral tube 11 is sealed between the bottom of the sampling cylinder 9 and the water pump 15.

[0044] When in use, the electric push rod 34 is activated to move the connecting plate 35 downward. The connecting plate 35 drives the cover plate 13 to rotate downward through the connecting rod 12. Under the action of the spring 14, the cover plate 13 is pressed against the end of the sampling cylinder 9, sealing the river water inside the sampling cylinder 9. At this time, the water pump 15 is activated to pump the river water in the sampling cylinder 9 into the sampling bottle 5 along the spiral tube 11 and the water outlet pipe 6. After the river water in the sampling cylinder 9 is drained, the electric push rod 34 is driven to open the cover plate 13 so that river water sampling at different depths can continue.

[0045] In summary: During operation, the sampling cylinder 9 is placed in the river, and the electric push rod 34 is activated to drive the connecting plate 35 to move downward. The connecting plate 35 drives the cover plate 13 to rotate downward through the connecting rod 12. Under the action of the spring 14, the cover plate 13 is pressed against the end of the sampling cylinder 9, sealing the river water inside the sampling cylinder 9. At this time, the water pump 15 is activated to pump the river water in the sampling cylinder 9 into the sampling bottle 5 along the spiral tube 11 and the water outlet pipe 6. When the river water in the sampling cylinder 9 is drained, the electric push rod 34 is driven to open the cover plate 13.

[0046] Then, the servo motor is started to drive the winding roller 24 and the first gear 23 to rotate. The rotating winding roller 24 releases the wire rope 25, and the sampling cylinder 9 moves under its own gravity. At the same time, the rotating first gear 23 drives the drive shaft 27 to rotate through the meshing second gear 26. The drive shaft 27 drives the movable block 30 to move through the spiral groove 28, which in turn drives the connecting ring 29 and the limiting ring 32 to move. This allows the limiting ring 32 to be adjusted according to the position of the released wire rope 25 to prevent the wire rope 25 from stacking when it is wound on the winding roller 24, and adjusts the sampling cylinder 9 to move downward in stages.

[0047] At the same time, the rotating first gear 23 drives the gear ring 22 to rotate one revolution. The gear ring 22 drives the drive plate 20 and drive block 21 to rotate. The drive block 21 drives the drive disk 16 to rotate in stages through the drive groove 17, so that the adjacent empty sampling bottles 5 containing river water samples are moved to the port of the water outlet pipe 6. The above operation is repeated until different sampling bottles 5 are filled with river water samples of different depths to achieve the purpose of multi-point sampling.

[0048] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A river sediment concentration monitoring device, comprising a box (1), a floating plate (2) and a sampling cylinder (9), the floating plate (2) is fixed on the outer wall of the box (1), characterized in that: The top of the box (1) is fixedly connected with a support plate (3), the support plate (3) is rotatably connected with a mounting plate (4), a plurality of mounting seats (10) are fixedly connected on the mounting plate (4), sampling bottles (5) are placed on the mounting seats (10), a telescopic shell (7) is fixedly connected in the box (1), and the end of the telescopic shell (7) penetrates through the bottom of the box (1) and is connected with the sampling bottles (5), and an adjusting mechanism is arranged in the box (1), the adjusting mechanism comprises a winding roller (24), a steel wire rope (25), a driving shaft (27), a connecting ring (29) and a limiting ring (32), the steel wire rope (25) is wound on the winding roller (24), the limiting ring (32) is fixedly connected with the connecting ring (29), the connecting ring (29) is sleeved on the driving shaft (27), and the end of the steel wire rope (25) penetrates through the limiting ring (32) and is fixedly connected with the telescopic shell (7). A linkage mechanism is arranged between the winding roller (24) and the mounting plate (4), the linkage mechanism comprises a first gear (23), a toothed ring (22), a circular plate (19), a driving plate (20) and a driving disc (16), the circular plate (19) is rotatably connected to the top of the box (1), the driving plate (20) is coaxially fixed to the top of the circular plate (19), the toothed ring (22) is coaxially fixed to the bottom of the circular plate (19), the first gear (23) is coaxially fixed with the winding roller (24), and the first gear (23) is engaged with the toothed ring (22), a plurality of driving grooves (17) and arc-shaped grooves (18) are formed in the outer wall of the driving disc (16), and the driving grooves (17) and the arc-shaped grooves (18) are alternately arranged, the driving plate (20) is matched with the arc-shaped grooves (18), and the driving block (21) is fixedly connected to the circular plate (19) and matched with the driving grooves (17).

2. The river sediment concentration monitoring device according to claim 1, characterized in that: The winding roller (24) and the driving shaft (27) are both rotatably connected in the box (1), the second gear (26) is coaxially fixed on the driving shaft (27), and the second gear (26) is engaged with the first gear (23).

3. The device for monitoring sediment concentration of river sediment according to claim 1, characterized in that: The driving shaft (27) is provided with a spiral groove (28), and the inner wall of the connecting ring (29) is fixedly connected with a movable block (30), and the movable block (30) is movably connected in the spiral groove (28).

4. The device for monitoring sediment concentration of river sediment according to claim 1, characterized in that: The inner wall of the box (1) is symmetrically provided with a sliding groove (38), and the outer wall of the connecting ring (29) is symmetrically fixed with a limiting rod (31), and the limiting rod (31) is slidably connected in the sliding groove (38).

5. The device for monitoring sediment concentration of river sediment according to claim 1, characterized in that: The driving disc (16) is rotatably connected to the top of the support plate (3), and the driving disc (16) is arranged at the bottom of the mounting plate (4) and coaxially fixed with the mounting plate (4). 6.The river sediment concentration monitoring device according to claim 1, characterized in that: The bottom of the telescopic shell (7) is fixedly connected with a mounting cylinder (8), the sampling cylinder (9) is fixedly connected to the bottom of the mounting cylinder (8), and the two ends of the sampling cylinder (9) are rotatably connected with cover plates (13).

7. The device for monitoring sediment concentration of river sediment according to claim 6, characterized in that: Symmetrically fixed on the cover plate (13) and the side wall of the sampling cylinder (9) are fixing blocks (37), and adjacent two fixing blocks (37) on one side are fixedly connected with a spring (14).

8. The river sediment concentration monitoring device according to claim 6, characterized in that: The mounting cylinder (8) is provided with a connecting plate (35), the cover plate (13) and the connecting plate (35) are fixedly connected with connecting tables (36), a connecting rod (12) is arranged between the connecting plate (35) and the cover plate (13), and both ends of the connecting rod (12) are rotatably connected with the connecting tables (36).

9. The river sediment concentration monitoring device according to claim 8, characterized in that: The telescopic shell (7) is fixedly connected with a fixing frame (33), the fixing frame (33) and the telescopic shell (7) are fixedly connected with an electric push rod (34), and the output end of the electric push rod (34) penetrates through the bottom of the telescopic shell (7) and is fixedly connected with the connecting plate (35). 10.The river sediment concentration monitoring device according to claim 1, characterized in that: The top of the supporting plate (3) is fixedly connected with a water pump (15), the water pump (15) is sealingly connected with a water outlet pipe (6), the port of the water outlet pipe (6) is opposite to the bottle opening of the sampling bottle (5), and the bottom of the sampling cylinder (9) and the water pump (15) are sealingly connected with a spiral pipe (11).

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