Drainage gully device capable of automatically cleaning garbage in drainage ditch and construction method of drainage gully device

Abstract

The invention provides a drain gully device capable of automatically cleaning garbage in a drainage ditch and a construction method of the drain gully device. The energy conversion wheel comprises a conveying round wheel and a water receiving rotating blade, and the water receiving rotating blade is impacted by water flow to drive the conveying round wheel to rotate; the sweeping wheel comprises a conveying round wheel and a garbage sweeping rotating blade fixed on the conveying round wheel; the conveying round wheel is connected with the energy conversion wheel through a conveying belt, the diameter of the conveying round wheel of the energy conversion wheel is smaller than that of the conveying round wheel of the sweeping wheel, and torque is amplified through the gear transmission ratio to achieve garbage cleaning. An arc-shaped filter screen; and a collection hopper. According to the device, gravitational potential energy of rainwater is effectively converted into kinetic energy, meanwhile, a large wheel is driven by a small wheel according to the gear transmission ratio principle, the torque of a garbage sweeping gear is increased, and rainwater is filtered into an original pipeline while garbage is collected; the invention aims to effectively solve the problem that the drainage gully of the drainage ditch is blocked by garbage in the current construction.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and specifically relates to a water inlet device capable of automatically cleaning garbage in a drainage ditch and a construction method thereof. Background Art

[0002] At present, drainage ditches and water inlets for draining rainwater, domestic water, etc. are often set in the roofs, basements, and equipment rooms of buildings and municipal structures. During the drainage process, various garbage such as dust and cigarette butts will gather at the water inlet with the water flow, resulting in the accumulated water being unable to drain smoothly. Especially in some projects where electrical equipment is installed or materials that cannot be soaked in water are stored in this area, the accumulated water in the area will cause serious economic losses and even casualties. Existing treatment methods include regular cleaning of garbage by personnel and raising the foundation of the equipment and material storage positions. However, the former is greatly affected by human factors and consumes a lot of manpower, and the latter is greatly limited by the site and space, and increases the construction cost. Summary of the Invention

[0003] The purpose of the present invention is to provide a water inlet device capable of automatically cleaning garbage in a drainage ditch and a construction method thereof in view of the deficiencies of the prior art.

[0004] The specific technical solutions are as follows: A water inlet device capable of automatically cleaning garbage in a drainage ditch, comprising: A device frame, embedded in the drainage ditch; An energy conversion wheel, fixed to the device frame through a first mounting shaft. The energy conversion wheel includes a transmission round wheel and a water receiving rotating vane. The water receiving rotating vane is driven by the water flow impact to drive the transmission round wheel to rotate; A cleaning wheel, fixed to the device frame through a second mounting shaft. The cleaning wheel includes a transmission round wheel and a garbage sweeping rotating vane fixed on the transmission round wheel; the transmission round wheel is connected to the energy conversion wheel through a conveyor belt. The diameter of the transmission round wheel of the energy conversion wheel is smaller than that of the transmission round wheel of the cleaning wheel, and the torque is amplified through the gear transmission ratio to achieve garbage cleaning; An arc-shaped filter screen, arranged at the entrance of the drainage ditch, for intercepting garbage and allowing the water flow to pass through; and A collection hopper, which is installed on the device frame through a vertical drawer-type structure. The bottom of the collection hopper is provided with a drain pipe with a filter screen for separating garbage from the accumulated water.

[0005] Optionally, the end of the garbage sweeping rotating vane is designed as a V shape and is provided with water passing holes.

[0006] Optionally, a one-way valve is arranged inside the drain pipe to prevent the accumulated water from flowing back.

[0007] Optionally, the installation position of the energy conversion wheel is lower than the bottom surface of the drainage ditch, and the water receiving surface of its water receiving rotating vane is an arc-shaped structure to maximize the water flow impact efficiency.

[0008] Optionally, a detachable filter screen is provided between the bottom of the collection hopper and the sewer pipe.

[0009] Optionally, a hydrophobic coating is provided on the surface of the garbage-sweeping rotating page.

[0010] Optionally, a first conveyor belt hole and a second conveyor belt hole are provided on the device frame, and both ends of the conveyor belt are respectively installed in the first conveyor belt hole and the second conveyor belt hole, and are respectively tightly connected to the driving round wheel and the conveying round wheel.

[0011] Optionally, the material of the garbage-sweeping rotating page is silica gel or rubber.

[0012] A construction method of a water inlet device capable of automatically cleaning garbage in a drainage ditch includes the following steps: Step 1: Process the device according to the sizes of components such as the floor slab and the water inlet in the construction site, and adjust the installation position of the energy conversion wheel to make it lower relative to the drainage ditch to improve the cleaning efficiency of the cleaning wheel; Step 2: During the construction of the drainage ditch and the floor slab steel bar formwork, embed the device into the drainage ditch and connect and fix it to the steel bars or formwork to prevent the device from shifting or deforming during the concrete pouring process, and then carry out waterproof construction and concrete pouring; Step 3: The water in the sloping drainage ditch flows into the downspout through the arc-shaped filter screen, drives the water receiving rotating page to rotate, and sequentially drives the energy conversion wheel, the conveyor belt, and the cleaning wheel to rotate, and the arc-shaped filter screen filters the garbage; Step 4: The cleaning wheel sweeps and conveys the garbage to the collection hopper, and the excess accumulated water flows into the downspout through the sewer pipe; Step 5: Regularly, the staff takes out the collection hopper, cleans the garbage and then puts it back.

[0013] Optionally, the end of the cleaning wheel is vertically tangent to or close to one side of the collection hopper near the water inlet, and the inertia of the rotation of the cleaning wheel is used to throw the garbage into the collection hopper.

[0014] Compared with the prior art, the beneficial effects of the present invention are: The device of the present invention uses the technical means of converting the hydraulic potential energy generated by the flowing water at the water inlet into kinetic potential energy to solve the problem that the garbage at the water inlet needs to be manually cleaned. It can achieve full automation without a motor and power supply, and conforms to the concept of green energy conservation. By designing the end of the cleaning wheel as a V-shaped structure with water holes and using a flexible material in cooperation with an arc-shaped filter screen, the problems of incomplete garbage cleaning and easy falling during operation are solved, making the efficiency of garbage cleaning and operation higher. By designing a drain pipe under the collection hopper, while facilitating garbage collection and cleaning, it ensures that there is no excess water in the collection hopper, solves the problem of collecting rainwater in the collection hopper while cleaning garbage, and can effectively increase the collection capacity of the collection hopper. By using the principle of gear transmission ratio, the driving round wheel is designed to be slightly smaller than the transmission round wheel, which can magnify the torque of the energy conversion wheel 1 several times and transmit it to the cleaning wheel, solves the problem of not being able to clean large garbage, and can improve the cleaning efficiency of garbage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a top view structural schematic diagram of the energy conversion wheel of the present application; Figure 3 is a top view structural schematic diagram of the cleaning wheel of the present application.

[0016] In the figure: 1. Energy conversion wheel; 11. Driving round wheel; 12. Water receiving rotating page; 13. First installation shaft; 14. First conveyor belt hole; 2. Cleaning wheel; 21. Transmission round wheel; 22. Garbage sweeping rotating page; 23. Second installation shaft; 24. Second conveyor belt hole; 25. Water passing hole; 3. Collection hopper; 31. Drain pipe; 4. Arc-shaped filter screen; 5. Conveyor belt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0018] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0019] Next, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments, but it is not a limitation of the present invention.

[0020] A water inlet device capable of automatically cleaning garbage in a drainage ditch provided in the present invention, referring to Figures 1 - 3 , includes: The device frame is embedded in the drainage ditch; The energy conversion wheel 1 is fixed to the device frame through the first mounting shaft 13. The energy conversion wheel 1 includes a transmission round wheel 11 and a water-receiving rotating vane 12. The water-receiving rotating vane 12 is driven by the impact of water flow to drive the transmission round wheel 11 to rotate; The cleaning wheel 2 is fixed to the device frame through the second mounting shaft 23. The cleaning wheel 2 includes a transmission round wheel 21 and a garbage-sweeping rotating vane 22 fixed on the transmission round wheel 21; the transmission round wheel 21 of the cleaning wheel 2 is connected to the energy conversion wheel 1 through a conveyor belt 5. The diameter of the transmission round wheel 11 of the energy conversion wheel 1 is smaller than that of the transmission round wheel 21 of the cleaning wheel 2, and the torque is amplified through the gear transmission ratio to realize garbage cleaning; The arc-shaped filter net 4 is arranged at the entrance of the drainage ditch and is used to intercept garbage and allow water flow to pass through; and The collection hopper 3 is installed on the device frame through a vertical drawer-type structure. A drain pipe 31 with a filter net is provided at the bottom of the collection hopper 3 and is used to separate garbage from accumulated water.

[0021] Specifically, the device frame is made of waterproof concrete precast parts, whose size is adapted to the cross-section of the drainage ditch. When embedded, it is fixedly connected to the side wall and bottom plate of the drainage ditch through embedded bolts to ensure that the axis of the device frame coincides with the center line of the drainage ditch. In addition, reinforcing ribs are provided on the inner wall of the device frame, and the compressive strength is ≥C30, which is used to bear the impact of water flow and the load of garbage accumulation. The transmission round wheel 11 of the energy conversion wheel 1 and the first mounting shaft 13 are in interference fit. The water-receiving rotating vane 12 is formed by stamping 304 stainless steel, with a thickness of 2 mm, and is distributed in a spiral shape. The gap between its outer edge and the arc-shaped filter net 4 is 5-8 mm. The arc-shaped filter net 4 is woven with galvanized steel wires, covers the cross-section of the drainage ditch entrance, and is connected to the device frame through buckles and can be disassembled and cleaned. The collection hopper 3 is injection-molded from HDPE plastic. When the water flow passes through the drainage ditch, the water flow impacts the water-receiving rotating vane 12 of the energy conversion wheel 1, causing the energy conversion wheel 1 to rotate. Since the transmission round wheel 11 of the energy conversion wheel 1 and the transmission round wheel 21 of the cleaning wheel 2 are connected through a conveyor belt 5, and the diameter of the transmission round wheel 11 of the energy conversion wheel 1 is smaller than that of the transmission round wheel 21 of the cleaning wheel 2, according to the gear transmission principle, this structure can amplify the torque, thereby driving the cleaning wheel 2 to rotate with sufficient force. During the rotation of the cleaning wheel 2, the garbage-sweeping rotating vane 22 contacts the garbage on the arc-shaped filter net 4 and sweeps it into the collection hopper 3. The arc-shaped filter net 4 is installed at the entrance of the drainage ditch to filter the water flow entering the drainage ditch, intercept the garbage therein, and enable the water flow to smoothly pass through the filter net and enter the interior of the drainage ditch. The collection hopper 3 is installed on the device frame through a vertical drawer-type structure, which is convenient for garbage collection and cleaning. A drain pipe 31 with a filter net is provided at the bottom of the collection hopper 3. When garbage and accumulated water enter the collection hopper 3, the accumulated water flows into the drain pipe 31 through the filter net at the bottom of the drain pipe 31, is separated from the garbage, and then the accumulated water is discharged through the drain pipe 31, while the garbage remains in the collection hopper 3.

[0022] This device can automatically clean the garbage in the drainage ditch without the need for regular manual cleaning, greatly reducing the workload and cost of manual maintenance. The rotating cleaning action of the cleaning wheel 2 is driven by water flow, achieving self-sufficiency in energy, improving the operating efficiency and reliability of the device. The arc-shaped filter net 4 effectively intercepts garbage, enabling the water flow to pass through the drainage ditch smoothly, avoiding waterlogging problems caused by garbage blockage, improving the drainage efficiency, ensuring the normal operation of the drainage system, and reducing the economic losses and safety hazards caused by waterlogging. The design of this device is applicable to the drainage ditches and water inlets in areas such as the roofs, basements, and equipment rooms of various buildings and municipal structures, without being restricted by the site and space, and has wide applicability. At the same time, the device frame is embedded in the drainage ditch, without occupying additional space and not affecting the normal use of the drainage ditch. Compared with the traditional method of raising the storage position of equipment and materials, this device does not require major modifications to the building structure, reducing the construction cost and improving the space utilization rate.

[0023] The end of the garbage sweeping rotating page 22 is designed as a V shape and is provided with water passing holes 25. The design of the V-shaped end conforms to the mechanical gathering principle. When the garbage sweeping rotating page 22 rotates to clean the garbage, the V-shaped structure can more effectively concentrate the garbage and push it towards the collection hopper 3, just like a cleaning component with a self-contained gathering function, reducing the scattering of garbage during the cleaning process, greatly improving the cleanliness of garbage cleaning, reducing garbage residue, and at the same time ensuring the smoothness of drainage. The setting of the water passing holes 25 allows part of the water flow to pass through the garbage sweeping rotating page 22 during the cleaning process, avoiding the water flow in the drainage ditch from being blocked due to excessive blocking of the rotating page by the water flow, ensuring the continuous drainage function, enabling the device to achieve a good balance between cleaning garbage and maintaining drainage, and also avoiding new drainage obstruction problems caused by the garbage cleaning device, enhancing the functional coordination of the entire device.

[0024] A check valve is installed inside the downpipe 31. When the accumulated water is discharged from the collection hopper 3 through the downpipe 31, the water flow pushes the check valve to open and discharges the accumulated water smoothly. When the water level downstream of the downpipe 31 changes in pressure due to certain reasons (such as drainage pipe blockage, drainage slope problem, etc.) and attempts to make the water flow reverse, the check valve will automatically close to block the reverse flow of the water, thereby preventing the accumulated water from flowing back into the collection hopper 3, avoiding the collected garbage from being washed away and re-entering the drainage ditch, ensuring the garbage collection effect, effectively avoiding the risk of secondary pollution of garbage and re-blockage of the drainage ditch caused by the reverse flow of accumulated water, improving the reliability of the device, ensuring the stable operation of the drainage system, and at the same time reducing the difficulty and frequency of maintenance and cleaning.

[0025] The installation position of the energy conversion wheel 1 is lower than the bottom surface of the drainage ditch. When the water flows through the drainage ditch, it will naturally converge and flow towards the water receiving rotating blade 12 of the energy conversion wheel 1, increasing the contact probability and impact force between the water flow and the water receiving rotating blade 12. The water-facing surface of the water receiving rotating blade 12 adopts an arc structure, which conforms to the principle of fluid mechanics. When the water flow impacts the arc surface, a greater acting force can be generated, and the kinetic energy of the water flow can be more effectively converted into the rotational mechanical energy of the energy conversion wheel 1, improving the energy conversion efficiency, and thus providing more sufficient power for the entire garbage cleaning device. Therefore, the energy conversion wheel 1 can make more full use of the water flow energy in the drainage ditch, enhancing the cleaning power of the cleaning wheel 2. Even when the water flow speed is relatively slow, it can ensure that the cleaning wheel 2 has enough force to perform the garbage cleaning operation, improving the adaptability of the device to different water flow conditions and expanding the applicable range of the device.

[0026] A detachable filter screen is provided between the bottom of the collection hopper 3 and the sewer pipe 31. With the structure of the detachable filter screen, it is convenient to quickly disassemble it from between the bottom of the collection hopper 3 and the sewer pipe 31 when the filter screen needs to be cleaned, replaced or maintained. The function of the filter screen is to further separate the garbage from the accumulated water. Its pore size is set according to actual needs, usually smaller than the pore size of the arc-shaped filter screen 4, so as to intercept finer garbage particles and enable the accumulated water to be discharged more purely. When the garbage on the filter screen accumulates to a certain extent and affects the filtering effect, it can be disassembled in time for cleaning or replacement to ensure the normal functioning of the filtering function.

[0027] The surface of the garbage sweeping rotating blade 22 is provided with a hydrophobic coating. The hydrophobic coating is a special material coating that can reduce the surface energy of the liquid. After being applied to the surface of the garbage sweeping rotating blade 22, it will form a protective film with hydrophobic effect on its surface. When the water flow and garbage come into contact with the garbage sweeping rotating blade 22, the hydrophobic coating can reduce the adhesion of the water flow and garbage on the surface of the rotating blade, making it easier for the garbage to be concentrated and pushed to the collection hopper 3 by the sweeping rotating blade, and at the same time reducing the adhesion of the water flow to the rotating blade, reducing the water resistance suffered by the rotating blade during rotation, and improving the rotation efficiency of the rotating blade.

[0028] The device frame is provided with a first conveyor belt hole 14 and a second conveyor belt hole 24. Both ends of the conveyor belt 5 are respectively installed in the first conveyor belt hole 14 and the second conveyor belt hole 24, and are respectively tightly connected to the driving round wheel 11 and the conveying round wheel 21. After the conveyor belt 5 is installed in the conveyor belt holes, it can ensure its stability and flatness during operation, and avoid phenomena such as the conveyor belt 5 shifting and twisting. The conveyor belt 5 is tightly connected to the energy conversion wheel 1 and the conveying round wheel 21 of the cleaning wheel 2, ensuring the high efficiency of power transmission, accurately transmitting the power generated by the rotation of the energy conversion wheel 1 to the cleaning wheel 2, enabling the cleaning wheel 2 to perform the garbage cleaning operation stably and powerfully, and realizing good collaborative work between the two.

[0029] The material of the garbage-sweeping rotating page 22 is silicone or rubber, and the silicone or rubber material has good flexibility, wear resistance and corrosion resistance. When the garbage-sweeping rotating page 22 rotates to sweep the garbage, its flexibility can cause a certain deformation when the rotating page contacts the garbage and the arc-shaped filter screen 4, so as to better fit the surface of the garbage and the filter screen, and improve the thoroughness of cleaning. The wear resistance can ensure that the rotating page is not easily worn during frequent cleaning processes, and extend its service life. The corrosion resistance can make the rotating page not easily corroded and damaged in the drainage ditch environment where it is long-term in a humid and corrosive medium (such as chemical substances in sewage), and keep its performance stable.

[0030] A construction method of a water inlet device capable of automatically cleaning garbage in a drainage ditch, comprising the following steps: Step 1: Process the device according to the sizes of components such as the floor slab and the water inlet in the construction site, and adjust the installation position of the energy conversion wheel 1 to be lower relative to the drainage ditch to improve the cleaning efficiency of the cleaning wheel 2; Step 2: During the construction of the drainage ditch and the floor slab steel bar formwork, embed the device into the drainage ditch and connect and fix it with the steel bars or formwork to prevent the device from shifting or deforming during the concrete pouring process, and then carry out waterproof construction and concrete pouring; Step 3: The water in the sloping drainage ditch flows into the downpipe through the arc-shaped filter screen 4, driving the water-receiving rotating page 12 to rotate, and sequentially driving the energy conversion wheel 1, the conveyor belt 5, and the cleaning wheel 2 to rotate, and the arc-shaped filter screen 4 filters the garbage; Step 4: The cleaning wheel 2 sweeps and conveys the garbage to the collection hopper 3, and the excess accumulated water flows into the downpipe through the drain pipe 31; Step 5: Regularly, the staff takes out the collection hopper 3, clears the garbage and then puts it back.

[0031] The end of the cleaning wheel 2 is vertically tangent to or close to one side of the collection hopper 3 near the water inlet. When the cleaning wheel 2 rotates to sweep the garbage, the garbage obtains a certain speed under the drive of the end of the cleaning wheel 2. When the garbage leaves the end of the cleaning wheel 2 instantaneously, due to inertia, its moving direction remains consistent with the tangent direction of the end of the cleaning wheel 2, so as to be thrown into the interior of the collection hopper 3, realizing the automatic collection of garbage. This design does not require additional power or complex mechanical structures to assist in the collection of garbage, and only relies on the inertia of the rotation of the cleaning wheel 2 to complete the action of throwing the garbage into the collection hopper 3, simplifies the structure of the device, improves the reliability and stability of the device, reduces the production cost and maintenance difficulty at the same time, improves the efficiency and accuracy of garbage collection, and ensures that the garbage can enter the collection hopper 3 in a timely and effective manner.

[0032] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that all the equivalent substitutions and obvious changes made by using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A water inlet device capable of automatically cleaning garbage in a drainage ditch, characterized in that, Including: A device frame, embedded in the drainage ditch; An energy conversion wheel, fixed to the device frame through a first mounting shaft. The energy conversion wheel includes a driving round wheel and a water-receiving rotating vane. The water-receiving rotating vane is driven by the impact of water flow to drive the driving round wheel to rotate; A cleaning wheel, fixed to the device frame through a second mounting shaft. The cleaning wheel includes a conveying round wheel and a garbage-sweeping rotating vane fixed on the conveying round wheel; The conveying round wheel is connected to the energy conversion wheel through a conveyor belt. The diameter of the driving round wheel of the energy conversion wheel is smaller than that of the conveying round wheel of the cleaning wheel, and the torque is amplified through the gear transmission ratio to achieve garbage cleaning; An arc-shaped filter screen, arranged at the entrance of the drainage ditch, used for intercepting garbage and allowing water flow to pass through; and A collecting hopper, installed on the device frame through a vertical drawer-type structure. A drain pipe with a filter screen is provided at the bottom of the collecting hopper, used for separating garbage and accumulated water.

2. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, wherein, The end of the garbage-sweeping rotating vane is designed in a V shape and is provided with water-passing holes.

3. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, wherein A one-way valve is installed inside the drain pipe to prevent the backflow of accumulated water.

4. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, wherein The installation position of the energy conversion wheel is lower than the bottom surface of the drainage ditch, and the water-facing surface of its water-receiving rotating vane is an arc-shaped structure to maximize the water flow impact efficiency.

5. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, characterized in that, A detachable filter screen is arranged between the bottom of the collecting hopper and the drain pipe.

6. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, characterized in that, A hydrophobic coating is provided on the surface of the garbage-sweeping rotating vane.

7. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, wherein First conveyor belt holes and second conveyor belt holes are provided on the device frame. The two ends of the conveyor belt are respectively installed in the first conveyor belt hole and the second conveyor belt hole, and are respectively tightly connected to the driving round wheel and the conveying round wheel.

8. The water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 1, characterized in that, The material of the garbage-sweeping rotating vane is silica gel or rubber.

9. A construction method for a water inlet device capable of automatically cleaning garbage in a drainage ditch according to any one of claims 1-8, characterized in that, Including the following steps: Step 1: Process the device according to the dimensions of components such as the floor slab and the water inlet in the construction site, and adjust the installation position of the energy conversion wheel to make it lower relative to the drainage ditch to improve the cleaning efficiency of the cleaning wheel; Step 2: During the construction of the drainage ditch and the floor slab steel formwork, embed the device into the drainage ditch, connect and fix it to the steel bars or formwork to prevent the device from shifting or deforming during the concrete pouring process, and then carry out waterproof construction and concrete pouring; Step 3: The water in the sloped drainage ditch flows into the downpipe through the arc-shaped filter screen, driving the water-receiving rotating vane to rotate, and sequentially driving the energy conversion wheel, the conveyor belt, and the cleaning wheel to rotate. The arc-shaped filter screen filters the garbage; Step 4: The cleaning wheel sweeps and conveys the garbage to the collecting hopper, and the excess accumulated water flows into the downpipe through the drain pipe; Step 5: Regularly, the staff pulls out the collecting hopper, cleans the garbage and then puts it back.

10. The construction method of the water inlet device capable of automatically cleaning garbage in the drainage ditch according to claim 9, characterized in that, In Step 4, the end of the cleaning wheel is vertically tangent to or close to the side of the collecting hopper near the water inlet, and the inertia of the rotation of the cleaning wheel is used to throw the garbage into the collecting hopper.

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