A water purification device for a water conservancy gate
Patent Information
- Application Number
- CN202522622440.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-10
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-12-10
AI Technical Summary
[0002]在水利工程、市政给排水、河道治理等领域，闸门作为一种关键的控制性建筑物，广泛应用于拦截水流、调节水位、控制流量等作业，自然水体中通常含有大量的悬浮物、漂浮物、如杂草、塑料制品、树枝、生活垃圾以及其他固体颗粒杂质，这些杂质若随水流进入泵站、水电站或输水渠道，不仅会磨损、堵塞后续的水力机械，影响其运行效率与寿命，还可能对水质安全构成威胁
本实用新型通过驱动组件驱使位于两个滤网内外侧的安装板沿滤网移动，安装板上的清理刷对粘附在滤网上的杂质进行清理，启动水泵使其将水箱内水通过排水管输送至伸缩软管后进入安装板内，最后从喷头喷出，对杂质进行冲刷，既能对粘附在滤网上的杂质进行清除，又能确保位于闸门架内外两侧滤网的有效过滤效果。
Smart Images
Figure CN224902109U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water conservancy engineering technology, and in particular relates to a water purification device for a gate in water conservancy engineering. Background Technology
[0002] In water conservancy projects, municipal water supply and drainage, river management and other fields, gates are used as key control structures to intercept water flow, regulate water level and control flow. Natural water bodies usually contain a large amount of suspended solids and floating objects, such as weeds, plastic products, branches, domestic garbage and other solid particulate impurities. If these impurities enter pumping stations, hydropower stations or water conveyance channels with the water flow, they will not only wear down and block the subsequent hydraulic machinery, affecting its operating efficiency and lifespan, but may also pose a threat to water quality safety.
[0003] Currently, a filter screen is installed upstream of the gate to initially filter and intercept impurities in the water, which plays a role in protecting downstream facilities. However, when the water recedes, is discharged, or the system is reverse-cleaned, the direction of water flow may change, and the water may flow in from the other side of the gate. This will cause the filter screen fixed on one side of the gate to lose its filtering function, allowing impurities to pass through without obstruction. Furthermore, the surface and mesh of the filter screen will be quickly covered and clogged by debris, affecting its filtering effect. Utility Model Content
[0004] The purpose of this invention is to provide a water purification device for a sluice gate in a water conservancy project, which removes impurities adhering to the filter screen while ensuring effective bidirectional filtration.
[0005] The aforementioned water purification device for a water conservancy project gate includes a gate frame and a gate opening and closing system installed on the gate frame. Filter screens are detachably connected to both the inner and outer sides of the gate frame. The two filter screens have a symmetrical arc-shaped structure. Both the inner and outer sides of the two filter screens are equipped with mounting plates with a hollow internal structure. Cleaning brushes are provided on the corresponding surfaces of the two mounting plates. Several nozzles are installed on both sides of the cleaning brushes. A water tank is installed on the gate frame. The water outlet pipe of the water tank is connected to the water inlet of a water pump. The water outlet of the water pump is connected to a drain pipe fixed on the gate frame. The drain pipe is connected to the mounting plate through a flexible telescopic hose. A drive assembly is provided on the gate frame to drive the mounting plate to move along the filter screen.
[0006] Furthermore, the drive assembly includes a fixed frame fixed on the gate frame, a motor installed inside the fixed frame, a drive bevel gear mounted on the output shaft of the motor, a rotating tube mounted on the wire rope of the gate opening and closing system rotatably connected between the fixed frame and the gate frame, a driven bevel gear meshing with the drive bevel gear mounted on the rotating tube, and the rotating tube connected to two mounting plates through a connecting plate.
[0007] Further, fixing plates are arranged on both end surfaces of the filter screen, the fixing plates are provided with insertion slots, and limit plates with a "C"-shaped structure are hinged on both left and right sides of the gate frame, and the limit plates are inserted into the insertion slots in a matching manner.
[0008] Further, the fixing plate is provided with two through holes distributed up and down, and screws in threaded connection with the gate frame are inserted through the through holes.
[0009] Further, the limit plate is hinged to the gate frame through a hinge seat, torsion springs are sleeved on both ends of the rotating shaft of the hinge seat, one end of the torsion spring is fixed on the side wall of the hinge seat, and the other end thereof is fixed on the side wall of the limit plate.
[0010] Further, the fixing frame is provided with a limit groove of an arc-shaped structure, and a universal ball which is in sliding fit with the limit groove and fixed at the bottom of the connecting plate is arranged in the limit groove.
[0011] Further, the rotating pipe is rotatably connected between the gate frame and the fixing frame through a bearing.
[0012] Compared with the prior art, the utility model has the following beneficial effects: In the utility model, the driving assembly drives the mounting plates located on the inner and outer sides of the two filter screens to move along the filter screens, the cleaning brushes on the mounting plates clean the impurities adhered to the filter screens, the water pump is started to deliver the water in the water tank to the telescopic hose through the drain pipe and then into the mounting plates, and finally the water is sprayed out from the nozzles to wash the impurities, which can not only remove the impurities adhered to the filter screens, but also ensure the effective filtering effect of the filter screens located on the inner and outer sides of the gate frame. Brief Description of the Drawings
[0013] Figure 1 is a schematic structural view of the utility model; Figure 2 is a Figure 1 schematic cross-sectional structural view taken along line A-A in Figure 3 is a perspective view of the utility model; Names of components in the drawings: 1. Gate frame; 2. Water tank; 3. Water pump; 4. Gate opening and closing system; 5. Driven bevel gear; 6. Motor; 7. Fixing frame; 8. Driving bevel gear; 9. Rotating pipe; 10. Filter screen; 11. Limit plate; 12. Torsion spring; 13. Screw; 14. Mounting plate; 15. Fixing plate; 16. Nozzle; 17. Cleaning brush; 18. Drain pipe; 19. Telescopic hose; 20. Connecting plate. Detailed Description of the Embodiments
[0014] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
[0015] Example This embodiment describes a water purification device for a water conservancy project gate, such as... Figure 1 , Figure 2 and Figure 3 As shown, the system includes a gate frame 1 and a gate opening and closing system 4 installed on the gate frame 1. The gate frame 1 has detachable filter screens 10 on both its inner and outer sides. The two filter screens 10 have a symmetrical arc structure. The inner and outer sides of the two filter screens 10 are provided with mounting plates 14 with a hollow internal structure. The corresponding surfaces of the two mounting plates 14 are provided with cleaning brushes 17. Several nozzles 16 are installed on both sides of the cleaning brushes 17. A water tank 2 is provided on the gate frame 1. The water outlet pipe of the water tank 2 is connected to the water inlet of the water pump 3. The water outlet of the water pump 3 is connected to a drain pipe 18 fixed on the gate frame 1. The drain pipe 18 is connected to the mounting plate 14 through a telescopic hose 19. A drive assembly is provided on the gate frame 1 to drive the mounting plate 14 to move along the filter screens 10. The gate frame 1 includes two vertical support beams and a horizontal beam located at the top of the support beams and connecting the two support beams. A base is fixed at the bottom of the support beams. A gate opening and closing system 4 is provided at the top of the horizontal beam of the gate frame 1. The gate opening and closing system 4 includes an electric motor, which provides the rotational power required to raise and lower the gate and is a common drive source; a winch-type hoist, which drives a drum through an electric motor. One end of a wire rope is wound on the drum, and the other end is connected to the gate. Winding or releasing the wire rope pulls the gate up and down to release or cut off the water flow; grooves are provided on the inner sides of the left and right side walls of the gate frame 1. The gate is embedded in the grooves and moves up and down within the gate frame 1. The gate opening and closing system 4 is existing technology, and this embodiment does not improve its structure and operating principle. It will not be described in detail here. Two filter screens are disposed on the gate frame, the filter screens are respectively located on the inner and outer sides of the gate, the filter screens are detachably connected to the gate frame, fixing plates are disposed on both two end faces of each filter screen, the fixing plates are provided with insertion slots, limit plates with a "C"-shaped structure are respectively hinged to the left and right sides of the gate frame, and the limit plates are in insertion fit with the insertion slots; the fixing plates are welded or adhered on both the left and right end faces of the filter screen, the fixing plates are provided with insertion slots, the limit plate is hinged to the limit plate via a hinge seat, two ends of the rotating shaft of the hinge seat are each sleeved with a torsion spring, one end of the torsion spring is fixed on the side wall of the hinge seat, and the other end thereof is fixed on the side wall of the limit plate; the hinge seat is welded or adhered on the side wall of the gate frame, the hinge seat is hinged to the limit plate via a rotating shaft, two ends of the rotating shaft are each sleeved with a torsion spring, one end of the torsion spring is welded on the side wall of the hinge seat, and the other end thereof is welded on the side wall of the limit plate. When the torsion spring is in a natural state, the limit plate is in insertion fit with the insertion slot on the side wall of the fixing plate, and under the driving of the torsional force of the torsion spring, the limit plate applies pressure to the fixing plate, so that the fixing plate is tightly attached to the side wall of the gate frame, the filter screen is mounted on the two support beams of the gate frame to filter and block impurities in water; when the filter screen is damaged and needs to be replaced, the limit plate is rotated to make it rotate around the hinge seat, the torsion spring is twisted and deformed, the limit plate is rotated out from the insertion slot, so as to release the abutment against the fixing plate, the filter screen is removed from the gate frame, and the above operation is repeated to replace with a new filter screen; after the filter screen works for a period of time, it will be clogged or worn due to the accumulation of impurities, and the detachable connection allows maintenance personnel to easily remove the filter screen from the gate frame and move it to a spacious and safe working area for thorough cleaning, repair or direct replacement; when the filter screen needs to be maintained or replaced, no modification or cutting of the gate frame is required, which protects the structural integrity and strength thereof; In addition, the fixing plate is provided with two through holes distributed up and down, and screws in threaded connection with the gate frame are inserted into the through holes; the fixing plate is provided with two through holes, the two through holes are respectively located on the upper side and the lower side of the insertion slot, screws are inserted into the through holes, threaded holes in threaded fit with the screws are formed on the side wall of the support beam of the gate frame corresponding to the through holes, the screws are inserted into the through holes and then in threaded connection with the threaded holes, so as to improve the connection stability between the fixing plate and the gate frame; when the filter screen works in water, it will be continuously impacted by water flow, surging eddies and possible collisions of floating objects, resulting in vibration. The two vertically distributed screws form a two-point constraint, and the limit plate and the insertion slot work together, which can effectively resist the shaking and deformation caused by the impact force, prevent the fixing plate from loosening from the gate frame, and improve the structural strength and bearing capacity of the filter screen; The filter screens 10 located on the inner and outer sides of the gate have different pore sizes, achieving graded filtration. For example, the outer filter screen 10 uses a larger pore size to first intercept large floating objects such as tree branches and plastic bottles, protecting the inner filter screen 10 from the impact of large debris. The inner filter screen 10 uses a smaller pore size to finely filter smaller impurities such as small fish, pebbles, and fibers. This division of labor improves the overall filtration efficiency and precision. Even if the outer filter screen 10 fails due to damage or being washed away, the inner filter screen 10 can still play a crucial interception role, preventing impurities from entering the downstream protection zone, greatly improving the reliability and safety of the gate. During the opening and closing of the gate, the water flow is complex and may generate eddies and aberrations. The double-sided filter 10, also known as the impact filter, can more effectively manage and balance the water flow, allowing it to pass through the gate area more smoothly and reducing turbulence and vibration. In some projects that require bidirectional water regulation, such as tidal power stations and water diversion gates, the direction of water flow may change. The double-sided filter 10 ensures that it can effectively filter water regardless of which side the water flow comes from. The two filter screens 10 have an arc-shaped structure, with the center of the arc located between the two filter screens 10. When the water flow impacts the arc-shaped surface of the filter screen 10, it will be smoothly guided to both sides, rather than producing violent flow separation and vortices as when impacting a flat filter screen. This greatly reduces water flow resistance and allows the water flow to pass through the filter screen 10 more smoothly. Mounting plates 14 are provided on both the inner and outer sides of the two filter screens 10. Cleaning brushes 17 are fixed on the side walls of the two mounting plates 14 near the filter screens 10. Several nozzles 16 are installed on the left and right sides of the cleaning brushes 17. A water tank 2 is installed on the top of the gate frame 1. The water inlet pipe of the water tank 2 is connected to the water supply system, and the water source is transported to the water tank 2 through the water inlet pipe. The water outlet pipe of the water tank 2 is connected to the water inlet flange of the water pump 3. The water outlet flange of the water pump 3 is connected to the drain pipe 18. The drain pipe 18 is a rigid pipe fixed on the gate frame 1. The drain pipe 18 includes a main pipe and two branch pipes connected to the main pipe. The two branch pipes extend to both sides of the gate frame 1. The water outlet of the two branch pipes is connected to the water inlet of the telescopic hose 19. Two telescopic hoses 19 are connected to each branch pipe. The water outlet of the telescopic hose 19 extends into the top of the mounting plate 14 and is connected to it. A drive assembly for moving mounting plates 14 is provided on the gate frame 1. The drive assembly includes a fixed frame 7 fixed on the gate frame 1, a motor 6 installed inside the fixed frame 7, a driving bevel gear 8 mounted on the output shaft of the motor 6, and a rotating tube 9 mounted on the steel wire rope of the gate opening and closing system 4 rotatably connected between the fixed frame 7 and the gate frame 1. A driven bevel gear 5 meshing with the driving bevel gear 8 is mounted on the rotating tube 9. The rotating tube 9 is connected to the two mounting plates 14 through a connecting plate 20. A fixed frame 7 is fixed to the bottom of the crossbeam of the gate frame 1. The fixed frame 7 has a "U" shaped cross-section. A motor 6 is installed inside the fixed frame 7, and a driving bevel gear 8 is mounted on the output shaft of the motor 6. A rotating tube 9 is rotatably connected between the bottom of the fixed frame 7 and the bottom of the crossbeam of the gate frame 1. The rotating tube 9 is rotatably connected between the gate frame 1 and the fixed frame 7 via bearings. Countersunk holes are provided at the top of the crossbeam of the gate frame 1 and at the bottom of the fixed frame 7. Bearings are installed in the countersunk holes, and the outer rings of the bearings are welded to the inner wall of the countersunk holes. The end of the rotating tube 9 is welded to the outer ring of the bearings. The rotating tube 9 can rotate freely between the crossbeam and the fixed frame 7 through the bearings. The rotating tube 9 is also fitted onto the steel wire rope of the gate opening and closing system 4. The steel wire rope passes through the rotating tube 9 without affecting the raising and lowering of the gate. A driven bevel gear 5 is fitted on the rotating tube 9. Two connecting plates 20 are provided below the driven bevel gear 5. One end of the connecting plate 20 is fixed to the side wall of the rotating tube 9, and the other end is fixed to the top of the mounting plate 14. The rotating tube 9 is connected to the mounting plate 14 through the filter screen 10. In use, the motor 6 is started, causing its output end to drive the active bevel gear 8 to rotate. The active bevel gear 8 meshes with the driven bevel gear 5, thereby driving the rotating tube 9 to rotate between the crossbeam of the gate frame 1 and the fixed frame 7. This causes the two connecting plates 20 to rotate, which in turn causes the mounting plates 14 located on the inner and outer sides of the filter screen 10 to move along the filter screen 10. The cleaning brushes 17 on the side walls of the mounting plates 14 clean the impurities adhering to the filter screen 10. Then, the water pump 3 is started to transport the water in the water tank 2 through the drain pipe 18 to the four telescopic hoses 19, which then enter the interior of the four mounting plates 14 and finally spray from several nozzles 16. The impurities are flushed out; the rotating pipe 9 rotates under the support of the gate frame 1 and the fixed frame 7, driving the two connecting plates 20 and the mounting plate 14 at its end to rotate. During the rotation, the cleaning brush 17 on the side wall of the mounting plate 14 moves closely against the inner and outer surfaces of the filter screen 10. Through physical scraping and brushing, the impurities tightly attached to the filter screen, such as silt, algae, shellfish, etc., are peeled and loosened. The water jet from the nozzle 16 directly impacts the filter screen 10. The nozzle 16 is a high-pressure nozzle. The high-pressure water jet washes away the loosened impurities and carries them away from the surface of the filter screen 10. The two work together to improve the cleaning efficiency. The mounting plate 14 drives the nozzle 16 and cleaning brush 17 to make a fan-shaped motion, ensuring that the entire surface of the filter screen 10 can be cleaned without any area being missed; the internal and external surfaces are cleaned simultaneously, and the two working surfaces of the filter screen 10 are cleaned at the same time, which doubles the efficiency; the telescopic hose 19 extends and retracts with the movement of the mounting plate 14, connecting the fixed drain pipe 18 and the rotating mounting plate 14, which can ensure continuous water supply without tangling or hindering the rotational movement, ensuring the continuous and stable operation of the mounting plate 14; like Figure 3 As shown, the fixing frame 7 has an arc-shaped limiting groove, in which a universal ball is slidably fitted and fixed to the bottom of the connecting plate 20; two limiting grooves are formed at the top of the fixing frame 7, in which universal balls are placed and fixed to the bottom of the connecting plate 20. The universal ball is a prior art technology, consisting of a ball, a shell with a concave spherical inner cavity to hold the ball, and a layer of ball bearings. There is a cover plate on the outside of the ball, with a circular hole for the ball to extend out. The cover plate includes a plate surface and is integrally connected to the edge of the plate surface. The skirt is cylindrical, and the cover plate is fixed to the outer shell. The bottom end of the skirt has an inwardly turned edge. Alternatively, the side of the body and the inner side of the skirt can be tightly fitted to make the cover plate difficult to detach. The diameter of the cover plate is larger than the diameter of the outer shell. When the universal ball is in the limiting groove, the cover plate can prevent the universal ball from falling out of the limiting groove. The cross-sectional shape of the limiting groove matches the shape of the universal ball. The universal ball rolls in the limiting groove, providing support and rotational force for the rotation of the connecting plate 20, making the rotation of the mounting plate 14 by the connecting plate 20 more stable and smooth. In actual use, the filter screens 10 located on both the inner and outer sides of the gate frame 1 perform double-layer filtration and interception of impurities in the water. When a large number of impurities adhere to the filter screens 10, the drive assembly drives the mounting plates 14 located on both the inner and outer sides of the filter screens 10 to move along the filter screens 10. The cleaning brushes 17 on the mounting plates 14 brush away the impurities. Then, the water pump 3 is started to transport the water in the water tank 2 through the drain pipe 18 to several telescopic hoses 19, and then into the interior of the four mounting plates 14. Finally, the water is sprayed out from several nozzles 16 to peel off the impurities, ensuring the filtration effect of the filter screens 10 and preventing them from clogging.
Claims
1. A water purification device for a gate in a water conservancy project, comprising a gate frame (1) and a gate opening and closing system (4) installed on the gate frame (1), characterized in that: The inner and outer sides of the gate frame (1) are both detachably connected with filter screens (10). The two filter screens (10) are of mutually symmetrical arc-shaped structure. The inner and outer sides of the two filter screens (10) are both provided with mounting plates (14) with a hollow interior. The mutually corresponding surfaces of the two mounting plates (14) are both provided with cleaning brushes (17). A plurality of spray nozzles (16) are installed on both sides of the cleaning brush (17). A water tank (2) is arranged on the gate frame (1). The water outlet pipe of the water tank (2) is connected and communicated with the water inlet end of the water pump (3). The water outlet end of the water pump (3) is connected with a drain pipe (18) fixed on the gate frame (1). The drain pipe (18) is connected and communicated with the mounting plate (14) through a telescopic hose (19). A drive assembly for driving the mounting plates (14) to move along the filter screens (10) is arranged on the gate frame (1).
2. The water purification device for a gate in a water conservancy project according to claim 1, characterized in that: The drive assembly includes a fixing frame (7) fixed on the gate frame (1). A motor (6) is installed in the fixing frame (7). A driving bevel gear (8) is sleeved on the output shaft of the motor (6). A rotating pipe (9) sleeved on the steel wire rope of the gate opening and closing system (4) is rotatably connected between the fixing frame (7) and the gate frame (1). A driven bevel gear (5) meshed with the driving bevel gear (8) is sleeved on the rotating pipe (9). The rotating pipe (9) is connected with the two mounting plates (14) through a connecting plate (20).
3. The water purification device for a gate in a water conservancy project according to claim 1, characterized in that: Both end surfaces of the filter screen (10) are provided with fixing plates (15). The fixing plate (15) is provided with a slot. The left and right sides of the gate frame (1) are both hinged with a limiting plate (11) in a "C"-shaped structure, and the limiting plate (11) is inserted into the slot.
4. The water purification device for a water conservancy project gate according to claim 3, characterized in that: The fixing plate (15) is provided with two through holes distributed up and down, and screws (13) in threaded connection with the gate frame (1) are inserted through the through holes.
5. The water purification device for a gate in a water conservancy project according to claim 3, characterized in that: The limiting plate (11) is hinged with the limiting plate (11) through a hinge seat. Two ends of the rotating shaft of the hinge seat are both sleeved with torsion springs (12). One end of the torsion spring (12) is fixed on the side wall of the hinge seat, and the other end thereof is fixed on the side wall of the limiting plate (11).
6. The water purification device for a gate in a water conservancy project according to claim 2, characterized in that: The fixing frame (7) is provided with a limiting groove in an arc-shaped structure. A universal ball which is in sliding fit with the limiting groove and fixed at the bottom of the connecting plate (20) is arranged in the limiting groove.
7. The water purification device for a gate in a water conservancy project according to claim 2, characterized in that: The rotating pipe (9) is rotatably connected between the gate frame (1) and the fixing frame (7) through a bearing.