Deep bottom suction disc type dredging and sand discharging device with floating function
By designing a floating deep-sea suction cup dredging and sand removal device, the problems of difficult operation of traditional dredging tools and large size of sand removal vessels have been solved, achieving efficient and convenient removal of underwater sediments. It is applicable to water conservancy, water environment, water supply, marine, aquaculture, machinery and chemical industries.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LANZHOU UNIVERSITY OF TECHNOLOGY
- Filing Date
- 2023-11-15
- Publication Date
- 2026-07-21
AI Technical Summary
There is a lack of convenient and efficient dredging and sand removal tools in the existing technology. Traditional sand removal methods are difficult to operate, and although sand removal vessels are flexible, they are bulky and cannot meet the needs of efficient dredging in multiple fields.
Design a floating deep-bottom suction cup dredging and sand removal device, comprising a floating main unit, a deep-bottom suction cup, and a dredging and sand conveying pipeline. It utilizes an annular roller, bidirectional blades, and induction balls to achieve automatic direction adjustment and information feedback, and achieves efficient removal of sediment through a pump device and a spiral pipeline.
It enables efficient removal of underwater sediments without manual intervention, expands the sludge removal range, has adjustable depth, is easy to operate, highly safe, and reduces operating costs.
Smart Images

Figure CN117587873B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of dredging and sand removal equipment technology, specifically to a deep-bottom suction cup type dredging and sand removal device with floating function. Background Technology
[0002] In the field of water conservancy, the loss of reservoir capacity due to siltation continuously impacts the function, safety, and overall benefits of reservoirs. Faced with the increasing severity of reservoir siltation and the ever-growing demand for water resources, the problem of reservoir siltation is receiving increasing attention. Managing reservoir siltation and maintaining and restoring the function of existing reservoirs has become a crucial means of addressing water shortages and severe flooding. Rivers and reservoirs, due to slow water flow, accumulate large amounts of sediment, including silt and gravel, affecting the smoothness of water flow and the normal operation of hydraulic structures. Sediment treatment requires advanced technologies, such as mechanical dredging and chemical cleaning, to ensure the normal operation of hydraulic structures and the safety of projects. Long-term sedimentation may lead to problems such as riverbed elevation and reduced reservoir capacity, increasing the risk of natural disasters such as floods and droughts.
[0003] In the field of aquatic environment, sediments may contain various pollutants, including heavy metals, organic matter, and nutrients. These pollutants may originate from industrial wastewater, agricultural activities, and domestic sewage, posing challenges to treatment. Sediments in water bodies can spread throughout the entire water area, affecting water quality and the health of the ecosystem. Different treatment methods, such as physical, chemical, and biological methods, are required for different types of sediments, necessitating sophisticated and complex treatment technologies. Sediment treatment may impact the aquatic ecosystem, such as disrupting ecological balance and affecting the survival of aquatic organisms.
[0004] In the water supply sector, with increasing environmental pollution, many water sources are affected to varying degrees, resulting in sediments and pollutants in the water supply process, increasing the difficulty and risk of treatment. To ensure the quality and safety of the water supply, efficient treatment of sediments is necessary, requiring advanced technologies such as filtration, adsorption, and oxidation. Water supply equipment requires regular maintenance and management, including cleaning, disinfection, and component replacement, to ensure normal operation and water supply safety. Furthermore, water quality testing and monitoring are essential to promptly identify and address sediment and pollutant issues.
[0005] In the marine environment, sediments can originate from diverse sources, including river-carried silt, wind-transported dust, and biological remains. The varied types and properties of these materials present challenges for treatment. Sediments are unevenly distributed, with some areas containing abundant sediment while others have almost none, increasing the difficulty and cost of treatment. The marine environment is highly complex, with variations in factors such as water flow, temperature, salinity, and light intensity, which can affect the properties of sediments and the effectiveness of treatment. Sediment treatment can also impact marine ecosystems, such as disrupting seabed ecological balance and affecting the survival of marine life.
[0006] In the aquaculture industry, sediments produced contain large amounts of organic matter. The decomposition of this organic matter generates harmful substances such as ammonia and hydrogen sulfide, polluting water bodies. Sediments may also contain residual medications, heavy metals, and other harmful substances, which can cause persistent water pollution. The large quantities of sediment generated in aquaculture necessitate efficient treatment methods to ensure water cleanliness.
[0007] In the mechanical field, deposits in mechanical systems can originate from multiple sources, including lubricants, fuels, and coolants. These substances vary in type and properties, posing challenges to their removal. Many mechanical devices have complex internal structures, such as narrow channels and deep holes, making it difficult for deposits to enter and be removed. Many mechanical components, such as bearings and gears, require high precision; the presence of deposits can accelerate wear on these components, reducing equipment performance. Some mechanical equipment operates under high temperature and pressure environments, making deposit removal even more difficult and increasing the complexity of the process. Deposits can affect the normal operation of equipment, potentially leading to equipment malfunctions, reduced performance, and even safety issues.
[0008] In the chemical industry, sediments are complex in composition, often containing various chemical substances and particulate matter. The interactions between these substances increase the difficulty of treatment. The treatment process for chemical sediments must be safe to prevent the generation of harmful substances that could impact the environment and human health. During long-term use, sediments can affect the normal operation of chemical equipment, thus requiring frequent cleaning and maintenance to ensure its proper functioning. In chemical production, any equipment malfunction can disrupt the continuity of the entire production process; therefore, sediment treatment is also a crucial step in ensuring production continuity.
[0009] The aforementioned industries are primarily described using reservoir sediment discharge as a typical characteristic. Traditional sediment discharge methods for reservoirs include flood detention, gravity flow diversion, venting, and concentrated flushing. These methods are difficult to operate and require significant investment of manpower, resources, and capital. Compared to traditional methods, sediment discharge vessels have greatly reduced the difficulty of sediment discharge. These vessels are easy to operate, highly maneuverable, and have low investment and operating costs. However, they also suffer from drawbacks such as being too large and relatively cumbersome to operate. Currently, there is no easily operable sediment discharge tool that can achieve the same effect as sediment discharge vessels. Therefore, in the aforementioned fields of water conservancy, water environment, water supply, marine, aquaculture, machinery, and chemical industries, there is an urgent need for a floating, deep-sea suction cup-type dredging and sediment discharge device to address these shortcomings. Summary of the Invention
[0010] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a deep-bottom suction cup dredging and sand removal device with floating function. It is small in size, requires no close-range operation by personnel, and can achieve the same effect, overcoming the defects of sand removal vessels. It has practical significance and good application prospects.
[0011] To achieve the above objectives, the present invention adopts the following technical solution: it comprises a floating main unit, a deep-bottom suction cup, and a silt and sand conveying pipeline; the floating main unit comprises:
[0012] Annular rollers, of which there are several, are rotatably connected to the top of the sleeve using anti-jamming brackets;
[0013] A floating cavity, comprising a top cover and a cavity body, wherein the top cover is bolted to the top opening of the cavity body, and the aforementioned sleeve is vertically inserted through the floating cavity; the top end of the sleeve is connected to a silt and sand conveying pipeline.
[0014] A spiral pipe, wherein there are several spiral pipes, which are fixed at equal angles inside the cavity;
[0015] A bidirectional blade, which is fixed inside a spiral pipe;
[0016] A ring-shaped airfoil balancing device, wherein the ring-shaped airfoil balancing device is connected to the cavity body by several hollow connecting rods;
[0017] The recycling device is rotatably connected to the sleeve by several upper and lower bearings and is set in the upper part of the floating cavity. The upper surface of the recycling device is provided with a slot, and the rolling ball is movably locked in the slot. The rolling ball is provided with a wire hole.
[0018] The deep-bottom suction cup includes:
[0019] The pump device has a pipe seat that is connected to the top of the outer casing of the pump device. The pipe seat and the pump device are equipped with a transmission pipe. The pipe seat is connected to the lower end of the casing through the silt and sand conveying pipe.
[0020] The bulb body is connected to the inside of the pump device housing by several brackets;
[0021] The motor is fixed inside the bulb body with bolts, and the motor shaft is connected to the impeller shaft of the pump device with bolts.
[0022] A funnel-shaped cavity is fixed to the bottom of the pump housing. The lower end of the transmission pipe extends to the bottom of the funnel-shaped cavity. Several chains are fixed to the top port of the funnel-shaped cavity. Several drainage holes are opened at the bottom of the funnel-shaped cavity, and an induction ball is set at the bottom of the funnel-shaped cavity.
[0023] The silt and sand transport pipeline includes:
[0024] The tubing has a hollow structure with flanges at both ends. The inner circumference of the tubing is equipped with a communication connection port, and the outer circumference is equipped with an inflation valve. The communication connection port is connected to the motor control via a power transmission line, and the connection line runs through the power transmission pipe.
[0025] Using the above design, the rope is first threaded through the threading hole in the rolling ball, and then air is inflated into the hollow structural layer of the pipe through the air valve using the inflation device, making the whole float in the water. The balance of the whole is maintained by the annular airfoil balancing device, and the bidirectional blades change the direction of the whole by controlling the flow of water. The whole sinks freely by its own weight, which is close to the deep bottom suction cup and the silt and sand conveying pipe. When the induction ball falls to the bottom, it transmits information to the control component of the visualization digital display module through its internal control component. The whole stops sinking and starts working. The funnel-shaped cavity forms a closed area. The pump impeller works and generates mechanical vibration, which drives the chain to vibrate and stir up the bottom mud. The mud and sand at the bottom enter the silt and sand conveying pipe connected between the pump device and the lower end of the casing with the water flow, and then enter the silt and sand conveying pipe floating on the water surface through the casing, and finally discharged. When the work is finished, the rope is pulled back and the whole is retrieved by the recovery device.
[0026] Preferably, a sealing device is bolted to the lower port of the bulb body.
[0027] Preferably, the inner ring wall of the sealing device is provided with a U-shaped water-stop groove, and the U-shaped water-stop groove is sealed at the gap between the lower port of the bulb body and the output shaft of the motor.
[0028] Preferably, the outer port of the inflation valve is provided with a sealing cap.
[0029] Compared with the prior art, the beneficial effects of the present invention are: the present invention provides a deep-bottom suction cup dredging and sand removal device with floating function, which can remove bottom sediments without a lot of manpower and material resources, thereby improving the efficiency of sand removal and sediment removal; its operation is not limited by location, which can expand the range of mud removal and sediment removal; at the same time, the depth of mud removal and sediment removal is adjustable. Attached Figure Description
[0030] Figure 1 This is a schematic diagram of the structure of the present invention.
[0031] Figure 2 This is a schematic diagram of the structure of the floating host in this invention.
[0032] Figure 3 This is the front view of the floating host in this invention.
[0033] Figure 4 This is a schematic diagram of the structure of the suction cup that is closely attached to the bottom of the device in this invention.
[0034] Figure 5 This is a front view of the suction cup attached to the bottom of the device in this invention.
[0035] Figure 6 This is a schematic diagram showing the position of the sealing device relative to the bulb body and the motor output shaft in this invention.
[0036] Figure 7 This is a schematic diagram of the silt and sand transport pipeline in this invention.
[0037] Figure 8 yes Figure 7 Sectional view along line AA.
[0038] Explanation of reference numerals in the attached figures:
[0039] 1. Annular roller, 2. Anti-jamming bracket, 3. Bearing, 4. Sleeve, 5. Bolt, 6. Top cover, 7. Cavity, 8. Spiral pipe, 9. Bidirectional blade, 10. Hollow connecting rod, 11. Annular airfoil balancing device, 12. Floating cavity, 13. Recovery device, 13-1 slot, 14. Ball bearing, 15. Conduit, 16. Pipe seat, 17. Motor, 18. Bracket, 19. Pump impeller, 20. Drain hole, 21. Induction ball, 22. Chain, 23. Funnel-shaped cavity, 24. Sealing device, 24-1. U-shaped water stop groove, 25. Bulb body, 26. Pump device, 27. Air inlet valve, 28. Pipe, 29. Communication connection port device, 30. Flange. Detailed Implementation
[0040] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0041] See Figure 1 As shown, this specific embodiment adopts the following technical solution: it includes a floating host, a suction cup that closely adheres to the deep bottom, and a silt and sand conveying pipeline;
[0042] See Figures 2-3 As shown, the floating host includes:
[0043] Annular roller 1, of which there are several, are rotatably connected to the top of the sleeve 4 by anti-jamming bracket 2; the setting of annular roller 1 can effectively reduce the frictional damage to the line during the operation of the whole.
[0044] The floating cavity 12 is composed of a top cover 6 and a cavity body 7. The top cover 6 is connected to the top opening of the cavity body 7 by bolts 5. The sleeve 4 is installed vertically through the floating cavity 12 and fixed. The top end of the sleeve 4 is connected to the silt and sand conveying pipeline.
[0045] Spiral pipes 8, of which there are several, are fixed at equal angles inside the cavity 7;
[0046] Bidirectional blade 9, which is fixed inside the spiral pipe 8; any two bidirectional blades 9 inside the spiral pipe 8 can operate in combination, and the overall direction of movement can be changed simply by rotating the blades on the same side of the bidirectional blades 9.
[0047] The annular airfoil balancing device 11 is connected to the cavity 7 by several hollow connecting rods 10, thereby increasing the stability of the floating cavity 12.
[0048] The recycling device 13 is rotatably connected to the sleeve 4 by several upper and lower bearings 3 and is located on the upper part of the floating cavity 12. The upper surface of the recycling device 13 has a slot 13-1, and the ball 14 is movably locked in the slot 13-1. The ball 14 has a thread hole. The rope passes through the thread hole in the ball 14, and the cooperation between the ball 14 movably set in the slot 13-1 and the bearings 3 prevents the rope from getting tangled during the whole recycling process.
[0049] See Figures 4-6 As shown, the suction cup that closely adheres to the deep bottom includes:
[0050] Pump device 26, the top of the outer shell of pump device 26 is connected to pipe seat 16, and pipe seat 16 and pump device 26 are provided with transmission pipe 15; and pipe seat 16 is connected to the lower end of casing 4 through silt and sand conveying pipe.
[0051] The bulb body 25 is connected to the inside of the pump device 26 housing by a plurality of brackets 18;
[0052] The motor 17 is fixed inside the bulb body 25, and the shaft of the motor 17 is connected to the axle of the pump impeller 19 of the pump device 26. A sealing device 24 is connected to the lower port of the bulb body 25. The sealing device 24 is a silicone sealing ring structure, and its inner ring wall is provided with a U-shaped water-stop groove 24-1 with a "U" shaped cross section. The U-shaped water-stop groove 24-1 is sealed in the gap between the lower port of the bulb body 25 and the output shaft of the motor 17. When the whole is lowered into the water, the water pressure exerts a certain pressure on the U-shaped water-stop groove 24-1, so that the U-shaped water-stop groove 24-1 is tightly attached to the gap between the lower port of the bulb body 25 and the output shaft of the motor 17, preventing water from entering the gap between the lower port of the bulb body 25 and the output shaft of the motor 17.
[0053] A funnel-shaped cavity 23 is fixed to the bottom of the housing of the pump device 26. The lower end of the transmission pipe 15 extends to the bottom of the funnel-shaped cavity 23. Several chains 22 are fixed to the top port of the funnel-shaped cavity 23 for stirring the mud and sand. Several drainage holes 20 are opened at the bottom of the funnel-shaped cavity 23, and an induction ball 21 is set at the bottom of the funnel-shaped cavity 23. The induction ball 21 is connected to the port device 29 for signal transmission with the external control components (the connection line is laid in the transmission pipe 15).
[0054] See Figures 7-8 As shown, the silt and sand transport pipeline includes:
[0055] The tube 28 is a hollow structure with flanges 30 connected to both its upper and lower ends. The inner circumference of the tube 28 is provided with a communication connection port device 29, and the outer circumference of the tube 28 is provided with an inflation valve 27 to inflate and deflate the tube 28, thereby increasing the overall buoyancy. The outer port of the inflation valve 27 is provided with a sealing cap. The communication connection port device 29 is electrically connected to the motor 17 via a power transmission line, and the connection line is run through the power transmission pipe 15.
[0056] When using this invention, first thread the rope through the threading hole in the rolling ball 14, then use the inflation device to inflate the hollow structural layer of the pipe 28 from the inflation valve 27, so that the whole floats in the water. The silt and sand conveying pipe connected to the top of the sleeve 4 floats on the water surface. The overall balance is maintained by the annular airfoil balancing device 11. The bidirectional blades 9 change the overall direction by controlling the flow of water. The power supply is connected to the power transmission wire inside the conveying pipe 15 through the communication connection port device 29 to supply power to the motor 17. The whole sinks freely by its own weight, which is close to the deep bottom suction cup and the silt and sand conveying pipe. The sensing ball 21 Once it reaches the bottom, the internal control components transmit information to the control components of the visual digital display module, stopping the descent and commencing operation. The funnel-shaped cavity 23 forms a closed area, and the pump impeller 19, driven by the motor 17, begins to operate, causing mechanical vibration that vibrates the chain 22, stirring the bottom sediment. The sediment at the bottom flows into the pump housing 26 with the water flow, then into the sediment conveying pipe connected between the pump housing 26 and the lower end of the casing 4, and then into the sediment conveying pipe floating on the water surface through the casing 4, finally being discharged. When the operation ends, the system is retrieved via the recovery device 13 by pulling back the rope.
[0057] After adopting the above structure, the beneficial effects of the specific embodiments of the present invention are as follows:
[0058] 1. By utilizing the communication connection port device and air valve installed in the hollow structure of the pipe, the space advantage of the silt and sand conveying pipeline is fully utilized to achieve two different effects: the silt and sand conveying pipeline floats on the water surface to discharge silt and sand and transmit electricity, making the operation of the device more convenient and safe.
[0059] 2. The bearings and the rolling balls in the slots work together to prevent the wire from winding when the device is retracted;
[0060] 3. Utilizing bidirectional blades arranged inside a spiral pipe, the bidirectional blades of any two pipes can be combined for operation, and the direction of motion of the device can be changed by rotating the blades on the same side of the blades.
[0061] 4. By using a U-shaped water-stop groove, the air pressure makes the gap between the U-shaped water-stop groove and the outer wall of the bulb body and the output shaft of the motor fit more closely, thereby enhancing the sealing performance;
[0062] 5. Utilizing the weight of the suction cups attached to the bottom and the silt and sand conveying pipeline, the structure sinks freely. When it reaches the bottom, the sensor ball sends information back to the outside, which stops the device from sinking and allows it to continue working.
[0063] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this invention should be included within the protection scope of this invention.
Claims
1. A deep-sea suction cup-type dredging and sand removal device with floating function, characterized in that: It comprises a floating main unit, a deep-bottom suction cup, and a sediment transport pipeline; the floating main unit includes: Annular roller (1), there are several annular rollers (1), all of which are rotatably connected to the top of the sleeve (4) by anti-jamming bracket (2); The floating cavity (12) is composed of a top cover (6) and a cavity body (7). The top cover (6) is connected to the top opening of the cavity body (7) by bolts (5). The sleeve (4) is set vertically through the floating cavity (12). The top end of the sleeve (4) is connected to the silt conveying and sand conveying pipeline. Spiral pipes (8), there are several spiral pipes (8), which are fixed at equal angles inside the cavity (7); Bidirectional blade (9), the bidirectional blade (9) is fixed inside the spiral pipe (8); The annular airfoil balancing device (11) is connected to the cavity body (7) by several hollow connecting rods (10); The recycling device (13) is rotatably connected to the sleeve (4) by several upper and lower bearings (3) and is located on the upper part of the floating cavity (12). The upper surface of the recycling device (13) is provided with a slot (13-1), and the ball (14) is movably locked in the slot (13-1). The ball (14) is provided with a thread hole. The deep-bottom suction cup includes: Pump device (26), the top of the outer shell of the pump device (26) is connected to the pipe seat (16), the pipe seat (16) and the pump device (26) are provided with a transmission pipe (15); and the pipe seat (16) is connected to the lower end of the casing (4) through the silt and sand conveying pipe. The bulb body (25) is connected to the inside of the pump device (26) by several brackets (18); The motor (17) is fixed inside the bulb body (25) by bolts, and the shaft of the motor (17) is connected to the axle of the pump impeller (19) of the pump device (26) by bolts. A funnel-shaped cavity (23) is fixed to the bottom of the outer shell of the pump device (26). The lower end of the transmission pipe (15) extends to the bottom of the funnel-shaped cavity (23). Several chains (22) are fixed to the top port of the funnel-shaped cavity (23). Several drainage holes (20) are opened at the bottom of the funnel-shaped cavity (23), and the sensing ball (21) is set at the bottom of the funnel-shaped cavity (23). The silt and sand transport pipeline includes: The pipe (28) is a hollow structure with flanges (30) connected to both its upper and lower ends. The inner circumference of the pipe (28) is provided with a communication connection port device (29), and the outer circumference of the pipe (28) is provided with an air valve (27). The communication connection port device (29) is electrically connected to the motor (17) via a power transmission line, and the connection line is run through the power transmission pipe (15). First, thread the rope through the threading hole in the rolling ball (14), and then use the inflation device to inflate the hollow structure layer of the pipe (28) from the inflation valve (27) so that the whole floats in the water. The balance of the whole is maintained by the annular airfoil balancing device (11). The bidirectional blades (9) change the direction of the whole by controlling the direction of the water flow. The whole sinks freely by its own weight, which is close to the deep bottom suction cup and the silt and sand conveying pipe. When the sensing ball (21) falls to the bottom, it will transmit the information to the control of the visualization digital display module through its internal control components. On the component, the whole stops sinking and starts working. The funnel-shaped cavity (23) forms a closed area. The pump impeller (19) works and generates mechanical vibration, which drives the chain (22) to vibrate and stir the bottom mud. The bottom mud and sand enter the silt conveying pipe connected between the pump device (26) and the lower end of the casing (4) through the pump device (26) with the water flow. Then, it enters the silt conveying pipe floating on the water surface through the casing (4) and is finally discharged. When the work is finished, it is retrieved by pulling back the rope and through the recovery device (13).
2. The deep-bottom suction cup-type dredging and sand removal device with floating function according to claim 1, characterized in that: A sealing device (24) is bolted to the lower port of the bulb body (25).
3. The deep-bottom suction cup dredging and sand removal device with floating function according to claim 2, characterized in that: The inner ring wall of the sealing device (24) is provided with a U-shaped water-stop groove (24-1), which is sealed at the gap between the lower port of the bulb body (25) and the output shaft of the motor (17).
4. The deep-bottom suction cup type dredging and sand removal device with floating function according to claim 1, characterized in that: The outer port of the inflation valve (27) is provided with a sealing cap.