Multifunctional device for ecological restoration of river channel

Abstract

The invention discloses a multifunctional device for ecological restoration of a river channel, and belongs to the technical field of multifunctional devices for ecological restoration, and the multifunctional device comprises a water robot, an electric telescopic rod, a sampling assembly and a restoration assembly. The sampling assembly achieves accurate sampling of river sediment of different depths through cooperation of an electric telescopic rod and a reciprocating lead screw, the repairing assembly achieves automatic separation through the sediment and triggers repairing action, effective repairing of the river sediment is achieved by means of the design of a magnetic repairing ball and a water-soluble layer, and the repairing efficiency of the river sediment is improved. The whole device is moved and positioned through the water robot, and intelligent control and automatic operation are achieved. The device has the advantages of being accurate in sampling, efficient in restoration, intelligent in control, multifunctional in integration, easy to maintain and the like, is suitable for different types of river ecological restoration scenes, and provides powerful support for protection and restoration of the river ecological environment.

Description

Technical Field

[0001] The present invention relates to the technical field of multifunctional devices for ecological restoration, and more specifically, to a multifunctional device for river ecological restoration. Background Art

[0002] Traditional river management methods, such as dredging and desilting, can alleviate sediment pollution to a certain extent, but they often lack comprehensive consideration of the ecosystem and are prone to secondary pollution and ecological damage. Therefore, the development of a multifunctional device that can effectively remove river sediment pollution and protect and restore the river ecosystem has become a research hotspot in the current field of river ecological restoration.

[0003] River sediment is an important part of the river ecosystem, which contains rich microbial communities and nutrients, and is also an important accumulation place for pollutants. Sediment pollution not only affects water quality, but may also be transmitted through the food chain, posing a potential threat to aquatic life and human health. Therefore, accurate sampling and analysis of river sediments and understanding the types, distribution and migration patterns of pollutants are the prerequisites for formulating scientific restoration plans. At the same time, choosing appropriate restoration technologies and materials for different types of pollutants is also the key to achieving river ecological restoration.

[0004] However, most of the existing river ecological restoration technologies have problems such as complex operation, low efficiency, and high cost, which makes it difficult to meet the needs of large-scale and efficient restoration. Therefore, the development of a multifunctional device that integrates sampling, analysis, and restoration is of great significance to improving the efficiency and quality of river ecological restoration. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In response to the problems existing in the prior art, the purpose of the present invention is to provide a multifunctional device for river ecological restoration, which integrates a sampling component and a restoration component into one, realizing the integrated operation of sampling, analysis and restoration, which not only improves work efficiency, but also enables the device to be suitable for different types of river ecological restoration scenarios. Whether it is a severely polluted urban river or an ecologically sensitive natural river, accurate and effective restoration effects can be achieved by adjusting the sampling and restoration parameters.

[0007] 2. Technical solution

[0008] To solve the above problems, the present invention adopts the following technical solutions.

[0009] A multifunctional device for river ecological restoration comprises a water robot, wherein an electric telescopic rod is fixedly connected inside the water robot, an extension rod is fixedly connected to the output end of the electric telescopic rod, a mounting block is fixedly connected to the bottom end of the extension rod, a sampling assembly is installed at the bottom end of the mounting block, and a restoration assembly is installed at the lower end of the sampling assembly.

[0010] As a further improvement of the present invention, the sampling assembly includes an external cylinder, an internal cylinder is installed in the external cylinder, the top ends of the external cylinder and the internal cylinder are fixedly connected to the mounting block, a reciprocating screw is rotatably connected in the internal cylinder, a driving motor is installed in the mounting block, and the output end of the driving motor is fixedly connected to the top end of the reciprocating screw.

[0011] As a further improvement of the present invention, the reciprocating screw rod is surrounded by a plurality of evenly distributed screw sleeves, and the screw sleeves are rotatably connected to a plurality of evenly distributed support rods.

[0012] As a further improvement of the present invention, the outer surrounding of the built-in cylinder is fixedly connected with a plurality of evenly distributed supporting cylinders, the supporting cylinder is slidably connected with an extruding cylinder, and the extruding cylinder is rotatably connected to the supporting rod.

[0013] As a further improvement of the present invention, a blocking ring is fixedly connected to the outer surrounding of the support tube, a pair of symmetrical protection grooves are opened on the blocking ring, an elastic strip is fixedly connected to the inner wall of the protection groove, a sealing gasket is fixedly connected to one end of the elastic strip, an electromagnet is installed on the inner wall of the protection groove and located at the outer surrounding of the elastic strip, and a magnetic block is installed in the sealing gasket.

[0014] As a further improvement of the present invention, the external tube is provided with a plurality of sampling holes which are evenly distributed and match the supporting tube, and a plurality of blocking bars are installed in the sampling holes.

[0015] As a further improvement of the present invention, the repair component includes a fixed cylinder fixedly installed on the lower end of the external cylinder, a matching mud-breaking cone cylinder is slidably installed on the lower end of the fixed cylinder, a waterproof board is fixedly installed on the upper end of the fixed cylinder, an electromagnet 2 is fixedly installed on the upper end of the waterproof board, a plurality of evenly distributed telescopic connectors are fixedly installed between the waterproof board and the mud-breaking cone cylinder, a pressure sensor is installed on the area of ​​the waterproof board corresponding to the telescopic connector, a plurality of magnetic repair balls distributed in a circular array are arranged on the upper side of the mud-breaking cone cylinder, an elastic rod is fixedly connected between the magnetic repair ball and the waterproof board, and the elastic rod is made of elastic material and has a tendency to deform and stretch toward the outside of the mud-breaking cone cylinder.

[0016] As a further improvement of the present invention, the mud breaking cone comprises a hollow cone, the upper end of which is fixedly connected with an integrally formed sliding ring, and the sliding ring is slidably mounted on the lower side of the fixed cylinder, and a sealing ring is fixedly mounted on the outer end of the sliding ring.

[0017] As a further improvement of the present invention, the telescopic connecting member includes a sleeve fixedly installed on the lower end of the waterproof board, a matching sliding block is slidably installed in the sleeve, a connecting rod is fixedly connected between the sliding block and the sliding ring, a positioning ring 1 is fixedly installed on the inner side of the sleeve, a positioning ring 2 is fixedly installed on the lower end of the sleeve, and the sliding block is located between the positioning ring 1 and the positioning ring 2, and a tension spring is fixedly connected between the sliding block and the top wall of the sleeve.

[0018] As a further improvement of the present invention, the magnetic repair ball comprises a magnetic inner core fixedly connected to the elastic rod, the outer end of the magnetic inner core is wrapped with a water-soluble layer, and a plurality of repair particles are embedded in the water-soluble layer.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] (1) This scheme realizes the automated layered sampling of river silt through the coordinated work of the water robot, electric telescopic rod, extension rod, mounting block and sampling assembly. The design of the reciprocating screw, screw sleeve, support rod and extrusion barrel in the sampling assembly enables the device to accurately sample silt at different depths and obtain more representative samples. The coordination of the electromagnet and the sealing gasket ensures that the samples are not contaminated during transportation and ensures the accuracy of the test results. In addition, the device has a compact structure and automated operation, which reduces manual intervention and improves sampling efficiency. It is suitable for the ecological restoration needs of various water bodies such as rivers and lakes.

[0022] (2) The design of the repair component of this scheme not only achieves effective repair of riverbed mud, but also fully considers environmental protection and sustainability. The magnetic repair ball adopts the method of wrapping the repair particles with a water-soluble layer, which not only ensures the precise delivery of the repair components, but also avoids secondary pollution. At the same time, the water-soluble layer is made of a mixture of solid sodium bicarbonate and solid citric acid, which can produce bubbles during the dissolution process, form gas channels, accelerate the diffusion and penetration of the repair components, and improve the repair efficiency.

[0023] (3) The present invention integrates the sampling component and the restoration component into one, realizing the integrated operation of sampling, analysis and restoration, which not only improves the work efficiency, but also enables the device to be applicable to different types of river ecological restoration scenarios. Whether it is a severely polluted urban river or an ecologically sensitive natural river, accurate and effective restoration effects can be achieved by adjusting the sampling and restoration parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the sampling assembly of the present invention;

[0026] Figure 3 It is a schematic diagram of the cross-sectional structure of the barrier ring of the present invention;

[0027] Figure 4 It is a schematic diagram of the repair component structure of the present invention;

[0028] Figure 5 It is a schematic diagram of the cross-sectional structure of the repair component of the present invention;

[0029] Figure 6 It is a schematic cross-sectional structure diagram of the telescopic connector of the present invention;

[0030] Figure 7 It is a schematic diagram of the cross-sectional structure of the magnetic repair ball of the present invention.

[0031] Description of the numbers in the figure:

[0032] 1. Aquatic robot; 2. Sampling assembly; 3. Blocking ring; 11. Extension rod; 12. Mounting block; 21. External cylinder; 22. Internal cylinder; 23. Reciprocating screw; 24. Screw sleeve; 25. Support rod; 26. Support cylinder; 27. Sampling hole; 31. Protection groove; 32. Elastic strip; 33. Sealing pad; 34. Electromagnet 1; 4. Repair assembly; 41. Fixed cylinder; 42. Mud-breaking cone cylinder; 421. Hollow cone cylinder; 422. Sliding ring; 423. Sealing ring; 43. Waterproof board; 44. Electromagnet 2; 45. Pressure sensor; 46. Telescopic connector; 461. Sleeve; 462. Sliding block; 463. Connecting rod; 464. Positioning ring 1;

[0033] 465. Positioning ring 2; 466. Tension spring; 47. Elastic rod; 48. Magnetic repair ball; 481. Magnetic inner core; 482. Water-soluble layer; 483. Repair particles. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0035] Embodiment 1:

[0036] See also Figure 1-3A multifunctional device for river ecological restoration includes a water robot 1, an electric telescopic rod is fixedly connected inside the water robot 1, an extension rod 11 is fixedly connected to the output end of the electric telescopic rod, a mounting block 12 is fixedly connected to the bottom end of the extension rod 11, and a sampling component 2 is installed at the bottom end of the mounting block 12.

[0037] The sampling assembly 2 includes an external cylinder 21, an internal cylinder 22 is installed in the external cylinder 21, the top ends of the external cylinder 21 and the internal cylinder 22 are fixedly connected to the mounting block 12, a reciprocating screw 23 is rotatably connected in the internal cylinder 22, a driving motor is installed in the mounting block 12, and the output end of the driving motor is fixedly connected to the top end of the reciprocating screw 23.

[0038] The reciprocating screw rod 23 is surrounded by a plurality of evenly distributed screw sleeves 24, and the screw sleeves 24 are rotatably connected to a plurality of evenly distributed support rods 25. The inner cylinder 22 is surrounded by a plurality of evenly distributed support cylinders 26, and the support cylinder 26 is slidably connected to an extrusion cylinder, which is rotatably connected to the support rods 25.

[0039] A blocking ring 3 is fixedly connected to the outer surrounding of the support tube 26, and a pair of symmetrical protective grooves 31 are opened on the blocking ring 3. An elastic strip 32 is fixedly connected to the inner wall of the protective groove 31, and a sealing gasket 33 is fixedly connected to one end of the elastic strip 32. An electromagnet 34 is installed on the inner wall of the protective groove 31 and located at the outer surrounding of the elastic strip 32, and a magnetic block is installed in the sealing gasket 33.

[0040] The external tube 21 is provided with a plurality of sampling holes 27 which are evenly distributed and matched with the supporting tube 26 , and a plurality of blocking bars are installed in the sampling holes 27 .

[0041] Among them, the device mainly includes a water robot 1, an electric telescopic rod, an extension rod 11, a mounting block 12 and a sampling component 2. The water robot 1 serves as a mobile platform of the device and can move freely in the river channel. The electric telescopic rod is connected to the mounting block 12 through the extension rod 11. A sampling component 2 is installed at the bottom of the mounting block 12 for layered sampling of river channel silt.

[0042] The sampling assembly 2 comprises an outer shell tube 21 and an inner shell tube 22, wherein a reciprocating screw rod 23 is installed in the inner shell tube 22, and the reciprocating screw rod 23 is driven by a driving motor in the mounting block 12, and a plurality of evenly distributed screw sleeves 24 are installed in the outer periphery of the reciprocating screw rod 23, and a plurality of support rods 25 are rotatably connected to the outer periphery of the screw sleeve 24, and the support rods 25 are rotatably connected to the extrusion cylinder, and the extrusion cylinder is slidably connected in the support cylinder 26. A blocking ring 3 is fixedly connected to the outer periphery of the support cylinder 26, and a protection groove 31 is provided on the blocking ring 3, and an elastic strip 32 is fixedly connected to the inner wall of the protection groove 31, and a sealing gasket 33 is connected to one end of the elastic strip 32, and a magnetic block is installed in the sealing gasket 33, and an electromagnet 34 is also installed in the inner wall of the protection groove 31 for controlling the opening and closing of the sealing gasket 33, and a plurality of sampling holes 27 are provided on the outer shell tube 21, and a blocking strip is installed in the sampling hole 27 for preventing large particles from entering.

[0043] Start the water robot 1 and move it to the river area to be tested. Then, drive the extension rod 11 and the mounting block 12 downward through the electric telescopic rod, so that the sampling assembly 2 enters the silt. Next, start the drive motor to drive the reciprocating screw 23 to rotate, so that the screw sleeve 24 moves along the reciprocating screw 23, and then drive the support rod 25 and the extrusion cylinder to slide out of the support cylinder 26 and the sampling hole 27, so as to perform layered sampling of silt at different depths. After the sampling is completed, start the electromagnet 34 to close the sealing gasket 33 to protect the sample from contamination. Finally, retract the sampling assembly 2, and send the sample to the laboratory for analysis, and perform targeted repairs according to the analysis results.

[0044] It is capable of sampling silt at different depths in layers to obtain more representative samples; the design of the electromagnet 34 and the sealing pad 33 ensures that the samples are not contaminated during transportation and the accuracy of the test results is guaranteed; the automated operation reduces manual intervention and improves the sampling efficiency; the device has a compact structure and multiple functions and is suitable for ecological restoration of various water bodies such as rivers and lakes.

[0045] Working principle:

[0046] Start the water robot 1 and move it to the river area to be tested, then drive the extension rod 11 and the mounting block 12 to move downward through the electric telescopic rod, so that the sampling assembly 2 enters the silt. Next, start the drive motor in the mounting block 12 to drive the reciprocating screw 23 to rotate, so that the screw sleeve 24 moves along the reciprocating screw 23, and then drive the support rod 25 and the extrusion cylinder to slide out of the support cylinder 26 and the sampling hole 27, and perform layered sampling of silt at different depths. After the sampling is completed, start the electromagnet 34 to close the sealing gasket 33 to protect the sample from contamination. Finally, the sampling assembly 2 is retracted, and the sample is sent to the laboratory for analysis, and targeted repair is carried out according to the analysis results. Through this series of automated operations, the device can efficiently and accurately complete silt sampling and provide a scientific basis for river ecological restoration.

[0047] Embodiment 2:

[0048] See also Figure 4-7 , which is different from the embodiment 1, a repair component 4 is installed at the lower end of the sampling component 2, and the repair component 4 includes a fixed cylinder 41 fixedly installed at the lower end of the external cylinder 21, a matching mud-breaking cone cylinder 42 is slidably installed at the lower end of the fixed cylinder 41, a waterproof plate 43 is fixedly installed at the upper end of the fixed cylinder 41, an electromagnet 2 44 is fixedly installed at the upper end of the waterproof plate 43, a plurality of evenly distributed telescopic connectors 46 are fixedly installed between the waterproof plate 43 and the mud-breaking cone cylinder 42, and an area on the waterproof plate 43 corresponding to the telescopic connector 46 is installed There is a pressure sensor 45, and a plurality of magnetic repair balls 48 distributed in a circular array are arranged on the upper side of the mud-breaking cone 42. An elastic rod 47 is fixedly connected between the magnetic repair ball 48 and the waterproof plate 43. The elastic rod 47 is made of elastic material and has a tendency to deform and stretch toward the outside of the mud-breaking cone 42, but is blocked by the mud-breaking cone 42 and cannot extend out. When the mud-breaking cone 42 and the fixed cylinder 41 are separated, the elastic force of the elastic rod 47 will prompt the magnetic repair ball 48 to move outward and extend into the bottom mud for repair work.

[0049] The pressure sensor 45 is connected to the control system of the water robot 1 by wire or wirelessly to sense the pressure signal. When the mud-breaking cone 42 contacts the bottom mud, the signal will change, and sampling or repair actions can be performed at this time. When the mud-breaking cone 42 extends into the bottom mud and produces a certain anchoring effect, the pressure signal obtained by the pressure sensor 45 is relatively large, which can be used to judge the working condition of the repair component 4.

[0050] The mud-breaking cone 42 includes a hollow cone 421, the upper end of which is fixedly connected with an integrally formed sliding ring 422, and the sliding ring 422 is slidably installed on the lower side of the fixed cylinder 41, and a sealing ring 423 is fixedly installed on the outer end of the sliding ring 422, which is used to maintain the sealing between the fixed cylinder 41 and the mud-breaking cone 42 under normal conditions, and to prevent water from invading and causing the magnetic repair ball 48 to fail.

[0051] The telescopic connecting member 46 includes a sleeve 461 fixedly installed on the lower end of the waterproof plate 43, a matching sliding block 462 is slidably installed in the sleeve 461, a connecting rod 463 is fixedly connected between the sliding block 462 and the sliding ring 422, a positioning ring 1 464 is fixedly installed on the inner side of the sleeve 461, a positioning ring 2 465 is fixedly installed on the lower end of the sleeve 461, and the sliding block 462 is located between the positioning ring 1 464 and the positioning ring 2 465, and a tension spring 466 is fixedly connected between the sliding block 462 and the top wall of the sleeve 461, and the positioning ring 1 464 and the positioning ring 2 465 cooperate with each other so that the sliding block 462 can only slide a certain distance in the sleeve 461 to prevent the mud breaking cone 42 from directly falling off the fixed cylinder 41, and the tension spring 466 is used to provide a certain elastic pulling force to prevent the mud breaking cone 42 and the fixed cylinder 41 from separating autonomously.

[0052] The magnetic repair ball 48 includes a magnetic inner core 481 fixedly connected to the elastic rod 47, the outer end of the magnetic inner core 481 is wrapped with a water-soluble layer 482, and a plurality of repair particles 483 are embedded in the water-soluble layer 482. The magnetic inner core 481 is used to cooperate with the electromagnet 44 to respond to the magnetic field for recovery work. At the same time, the water-soluble layer 482 will dissolve and release the repair particles 483 stored inside after contacting water, thereby directly repairing the bottom mud.

[0053] Under normal conditions, the mud-breaking cone 42 and the fixed cylinder 41 remain stationary and coordinated. At this time, water from the outside cannot enter, and the magnetic repair ball 48 is isolated on the inside of the mud-breaking cone 42. It does not affect the sampling work of the sampling component 2 in Example 1. When repair is needed, the repair component 4 is continuously pushed into the bottom mud and fixed by the electric telescopic rod. The fixing effect is judged by the pressure signal obtained by the pressure sensor 45, and the data can be obtained through experiments in advance. When the fixing effect is sufficient, the electric telescopic rod is shortened to pull the fixed cylinder 41 up a distance, which should be less than the movable distance of the sliding block 462. At this time, the mud-breaking cone 42 is fixed in the bottom mud and cannot rise. Therefore, the separation action of the fixed cylinder 41 and the mud-breaking cone 42 can be realized. At this time, the tension spring 466 is stretched, and the telescopic connector 46 is extended as a whole. When the fixed cylinder 41 and the mud-breaking cone 42 are separated, the elastic force of the elastic rod 47 can prompt the magnetic repair ball 48 to move out of the gap. The water-soluble layer 482 gradually dissolves and releases the internal repair particles 483 by contacting with water, and the riverbed mud is repaired by relying on the repair particles 483. The specific composition and repair method of the repair particles 483 can be targetedly repaired by the pollution data obtained by the method of Example 1. It is worth noting that the water-soluble layer 482 can be made of a mixture of solid sodium bicarbonate and solid citric acid, which can not only dissolve in water but also produce gas to generate bubbles, thereby forming a gas channel in the bottom mud, which is convenient for the repair components of the repair particles 483 to diffuse rapidly. After the repair is completed, the electromagnet 44 is first started to adsorb and recover the magnetic inner core 481, and then the electric telescopic rod is started again to pull the fixed cylinder 41 up until the telescopic connecting piece 46 can no longer extend, and then the mud-breaking cone cylinder 42 will be pulled out of the bottom mud, and the elastic force of the tension spring 466 will be used to pull the mud-breaking cone cylinder 42 and the fixed cylinder 41 to recombine.

[0054] If the repair particles 483 are solid components, they can be made into particles or mixed with the water-soluble layer 482 with an adhesive. If they are liquid components, they can be packaged in the form of capsules, and the capsule shell can be made of water-soluble materials.

[0055] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multifunctional device for river ecological restoration, comprising a water robot (1), characterized in that: The aquatic robot (1) is fixedly connected to an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected to an extension rod (11), the bottom end of the extension rod (11) is fixedly connected to a mounting block (12), the bottom end of the mounting block (12) is mounted with a sampling assembly (2), and the lower end of the sampling assembly (2) is mounted with a repair assembly (4).

2. A multifunctional device for river ecological restoration according to claim 1, characterized in that: The sampling assembly (2) comprises an external cylinder (21), an internal cylinder (22) is installed in the external cylinder (21), the top ends of the external cylinder (21) and the internal cylinder (22) are fixedly connected to the mounting block (12), a reciprocating screw (23) is rotatably connected in the internal cylinder (22), a driving motor is installed in the mounting block (12), and the output end of the driving motor is fixedly connected to the top end of the reciprocating screw (23).

3. A multifunctional device for river ecological restoration according to claim 2, characterized in that: The reciprocating screw rod (23) is surrounded by a plurality of evenly distributed screw sleeves (24), and the screw sleeve (24) is rotatably connected to a plurality of evenly distributed support rods (25).

4. The multifunctional device for river ecological restoration according to claim 2, characterized in that: The built-in cylinder (22) is surrounded and fixedly connected with a plurality of evenly distributed support cylinders (26), the support cylinder (26) is slidably connected with an extrusion cylinder, and the extrusion cylinder is rotatably connected to the support rod (25).

5. A multifunctional device for river ecological restoration according to claim 4, characterized in that: The support tube (26) is surrounded by a blocking ring (3) which is fixedly connected thereto. The blocking ring (3) is provided with a pair of symmetrical protective grooves (31). The inner walls of the protective grooves (31) are fixedly connected to elastic strips (32). One end of the elastic strip (32) is fixedly connected to a sealing gasket (33). An electromagnet (34) is installed on the inner wall of the protective groove (31) and at the outer surrounding of the elastic strip (32). A magnetic block is installed in the sealing gasket (33).

6. The multifunctional device for river ecological restoration according to claim 1, characterized in that: The external tube (21) is provided with a plurality of sampling holes (27) which are evenly distributed and match the supporting tube (26), and a plurality of blocking bars are installed in the sampling holes (27).

7. The multifunctional device for river ecological restoration according to claim 2, characterized in that: The repair component (4) comprises a fixed cylinder (41) fixedly mounted on the lower end of the external cylinder (21); a matching mud-breaking cone cylinder (42) is slidably mounted on the lower end of the fixed cylinder (41); a waterproof plate (43) is fixedly mounted on the upper end of the fixed cylinder (41); an electromagnet (44) is fixedly mounted on the upper end of the waterproof plate (43); a plurality of evenly distributed telescopic connectors (46) are fixedly mounted between the waterproof plate (43) and the mud-breaking cone cylinder (42); a pressure sensor (45) is mounted on the waterproof plate (43) in an area corresponding to the telescopic connectors (46); a plurality of magnetic repair balls (48) distributed in an annular array are arranged on the upper side of the mud-breaking cone cylinder (42); an elastic rod (47) is fixedly connected between the magnetic repair ball (48) and the waterproof plate (43); and the elastic rod (47) is made of elastic material and has a tendency to deform and stretch toward the outside of the mud-breaking cone cylinder (42).

8. The multifunctional device for river ecological restoration according to claim 7, characterized in that: The mud-breaking cone (42) comprises a hollow cone (421), the upper end of which is fixedly connected to an integrally formed sliding ring (422), and the sliding ring (422) is slidably mounted on the lower side of the fixed cylinder (41), and a sealing ring (423) is fixedly mounted on the outer end of the sliding ring (422).

9. A multifunctional device for river ecological restoration according to claim 8, characterized in that: The telescopic connecting member (46) comprises a sleeve (461) fixedly mounted on the lower end of the waterproof plate (43); a matching sliding block (462) is slidably mounted inside the sleeve (461); a connecting rod (463) is fixedly connected between the sliding block (462) and the sliding ring (422); a positioning ring 1 (464) is fixedly mounted on the inner side of the sleeve (461); a positioning ring 2 (465) is fixedly mounted on the lower end of the sleeve (461); the sliding block (462) is located between the positioning ring 1 (464) and the positioning ring 2 (465); and a tension spring (466) is fixedly connected between the sliding block (462) and the top wall of the sleeve (461).

10. A multifunctional device for river ecological restoration according to claim 9, characterized in that: The magnetic repair ball (48) comprises a magnetic inner core (481) fixedly connected to the elastic rod (47), the outer end of the magnetic inner core (481) is wrapped with a water-soluble layer (482), and a plurality of repair particles (483) are embedded in the water-soluble layer (482).

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