Drainage device for hydraulic works and method

Abstract

The application discloses a drainage device for water conservancy projects and a method thereof, a shell is internally provided with a circular groove, a base is rotatably installed in the circular groove, a top plate is fixedly installed on the upside of the base, a water inlet is formed at the axial center of the top plate, a movable filter plate is arranged on one side of the water inlet, and a driving assembly for driving the movable filter plate to slide is arranged on the top plate; a filtering assembly is arranged in the base, the filtering assembly comprises a first filter plate and a second filter plate, the first filter plate is located at the port of the water inlet, the movable filter plate is movably connected with the outer wall on one side of the first filter plate, the second filter plate is fixedly installed on the inner wall of the base, and the first filter plate is movably installed on the inner walls on the opposite sides of the second filter plate. The drainage device for water conservancy projects and the method thereof have the advantages that water flows to the other side through the filtering holes, and the silt carried by the water is retained on the surface of the first filter plate, the movable filter plate is moved up and down, and the cleaning brush is driven to clean the filtering holes of the first filter plate.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of water conservancy engineering, and particularly relates to a drainage device for water conservancy engineering and a method thereof. BACKGROUND

[0002] The water conservancy drainage device is a device for controlling the flow direction of water flow according to the needs of users, and the users can fully utilize existing water resources by guiding the water flow to other directions through the water conservancy drainage device, which has certain beneficial effects on flood control, flood discharge, water resource transportation and the like.

[0003] Application No. CN201810363090.9 discloses a special device for water diversion in water conservancy engineering, which comprises a first electric motor and a first water valve. The first electric motor is provided below a first speed regulator, and the first speed regulator is connected with a first rotating shaft below. The first rotating shaft is connected with a spiral rod below, and the spiral rod is provided with a first water inlet below. The spiral rod is provided with the first water valve on one side. In the above application, the filtration of water flow is not complete, which leads to internal blockage of the water pipe for water diversion in the actual use process, seriously affecting the water diversion work. Moreover, the water outlet direction of the existing device has limitations, which leads to inconvenience of the water diversion work.

[0004] In view of the above technical problems existing in the prior art, it is necessary to solve them. SUMMARY

[0005] The application aims to provide a drainage device for water conservancy engineering and a method thereof, so as to solve the problems of incomplete filtration of water flow, internal blockage in long-term use, and single water outlet direction.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a drainage device for water conservancy engineering, comprising a shell, a circular groove is arranged in the shell, a base is rotatably installed in the circular groove, a top plate is fixedly installed on the upper side of the base, a water inlet is formed at the shaft center of the top plate, a movable filter plate is arranged on one side of the water inlet, and a driving assembly for driving the movable filter plate to slide is arranged on the top plate.

[0007] A filter assembly is arranged in the base, the filter assembly comprises a first filter plate and a second filter plate, the first filter plate is arranged at the port of the water inlet, the movable filter plate is movably connected with the outer wall on one side of the first filter plate, the second filter plate is fixedly installed on the inner wall of the base, and the first filter plate is movably installed on the inner walls on opposite sides of the second filter plate; the second filter plate is in the shape of 90-degree V, the first filter plate is in the shape of arc, and the outer walls on opposite sides of the first filter plate are fixedly connected with the second filter plate.

[0008] The outer wall of the shell is provided with a through hole penetrating the circular groove, the outer wall of the base is provided with a water outlet, the water outlet is provided with a connecting port, and the connecting port is movably connected with the through hole.

[0009] The movable filter plate is provided with a collecting cavity, and the outer wall of one side of the movable filter plate is provided with a cleaning head.

[0010] Both sides of the collecting cavity are provided with water passing holes penetrating the collecting cavity.

[0011] The base is provided with an interface, one end of the interface is fixedly connected with the water inlet, the interface is located at the V-shaped sharp corner of the second filter plate, the interface is provided with an opening penetrating the sharp corner end of the second filter plate, and the water outlet is located on the side opposite to the V-shaped end of the second filter plate.

[0012] The first filter plate is provided with a plurality of filtering holes arranged in an arc array.

[0013] The second filter plate is provided with a fine hole located on one side of the movable filter plate; the extracted water flows into the water inlet, passes through the filtering holes, the water passing holes and the fine hole, and then flows out of the water outlet.

[0014] Preferably, the driving assembly comprises a motor, a cam and a spring, the motor is fixedly installed on the outer wall of the upper side of the top plate, the cam is fixedly installed on the output end of the motor, the top plate is provided with a mounting hole penetrating the outer walls of the upper and lower sides, the outer wall of the upper side of the movable filter plate is provided with an extension rod, the top end of the extension rod is provided with a fixed block, the fixed block is slidably installed in the mounting hole, one end of the fixed block is movably connected with the outer wall of the cam, the outer wall of the lower side of the movable filter plate is provided with a sliding rod, the inner wall of the base is provided with a mounting groove, the sliding rod is slidably installed in the mounting groove, and the spring is fixedly installed in the mounting groove and movably connected with the lower end of the sliding rod.

[0015] Preferably, the cleaning head is semispherical, the cleaning head is fixedly installed on the outer wall of the side of the movable filter plate close to the first filter plate, and the water passing holes on both sides of the collecting cavity are arranged in an up-down staggered manner.

[0016] Preferably, the upper end of the mounting groove is provided with a fixed plate, the fixed plate is provided with a fixed hole, and a bolt is threadedly connected in the fixed hole.

[0017] Preferably, the connecting port is slidingly installed at one end of the water outlet, an inner wall of the water outlet is provided with a limiting groove, a pull spring is arranged in the limiting groove, one end of the pull spring is fixedly connected with an outer wall of the connecting port, the connecting port is slidingly installed in the limiting groove, an outer wall of one end of the connecting port is provided with an inclined surface, and the inclined surface is movably connected with an inner wall of the through hole.

[0018] Preferably, the limiting groove is provided with a protrusion, the connecting port is provided with a groove, and the protrusion and the groove are slidingly connected.

[0019] Preferably, the cleaning head is movably connected with an inner wall of the filter hole.

[0020] A use method of a water conservancy project drainage device, comprising the following steps:

[0021] S1: respectively installing the base, the top plate and the shell, aligning the water outlet on the base with any through hole, and connecting water pipes from the water inlet and the water outlet arranged on the top plate, so that the extracted water flows into the water inlet, passes through the inside of the base for filtration, and then flows out of the water outlet;

[0022] S2: the inside of the base is provided with a filter assembly, the water is filtered through the first filter plate, and the first filter plate is provided with a movable filter plate, the movable filter plate is driven by the driving assembly to slide up and down to clean the filter hole of the first filter plate, and the sludge falling during the cleaning is collected into the collection cavity;

[0023] S3: the water filtered of the sludge flows out through the water passing hole arranged in the movable filter plate in a staggered manner, and the water flow is filtered again through the second filter plate, and finally the water flow passes through the filter hole, the water passing hole and the fine hole, and then flows out of the water outlet.

[0024] The technical effect and advantages of the present application: in actual use, the water flow passes through the first filter plate, flows to the other side through the filter hole, and the silt carried by the water flow is retained on the surface of the first filter plate, moves up and down on the movable filter plate arranged on the other side of the first filter plate, drives the cleaning brush to clean the filter hole of the first filter plate, destroys the large particle silt, and brings the silt into the collection cavity through the water through hole arranged on the movable filter plate, realizes the collection of the silt, and is discharged into the second filter plate through the water through hole arranged on the other side again, a small diameter hole is arranged on the second filter plate, the water flow is filtered again, the filtered water flow flows into the other side of the second filter plate, and flows out through the water outlet, improving the quality and work efficiency of water conservancy drainage work; in addition, the connecting port is arranged in parallel on the inner wall of the water outlet, and a tension spring for driving the connecting port to always protrude is arranged on the base, when it is necessary to adjust the water outlet and a certain through hole, the base can be rotated, the connecting port is driven to retract into the adjusting water outlet, the ring groove matched with the connecting port is arranged on the inner wall of the circular groove, the connecting port slides in the ring groove, and after rotation, the connecting port protrudes forward by overcoming the resistance, the connecting groove is arranged on the outer wall of the connecting port, the water pipe is connected, and the purpose of multi-directional water outlet is achieved, avoiding the single water outlet and inconvenient installation problems in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0026] Figure 2 It is a schematic diagram of the internal structure of the base of the present application;

[0027] Figure 3 It is a schematic diagram of the enlarged structure of A of the present application;

[0028] Figure 4 It is a schematic diagram of the cross-sectional structure of the present application;

[0029] Figure 5 It is a schematic diagram of the installation structure of the movable filter plate of the present application;

[0030] Figure 6 It is a schematic diagram of the movable filter plate structure of the present application.

[0031] In the figure: 1, shell; 101, circular groove;

[0032] 2, base; 21, mounting groove; 22, interface; 23, opening; 24, through hole; 25, water outlet;

[0033] 3, top plate; 31, water inlet; 32, mounting hole;

[0034] 4, movable filter plate; 41, extension rod; 42, fixed block; 43, sliding rod; 44, collecting cavity; 45, cleaning head; 46, water hole;

[0035] 5, driving assembly; 51, motor; 52, cam; 53, spring;

[0036] 6, filtering assembly; 61, first filter plate; 62, second filter plate; 63, filtering hole; 64, fine hole;

[0037] 7, fixed plate; 8, connecting port; 9, tension spring; 10, protrusion; 11, groove; 12, bevel. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0039] The present application provides a kind of filter, including fixed plate, connecting port, tension spring, protrusion, groove, bevel, movable filter plate, extension rod, fixed block, sliding rod, collecting cavity, cleaning head and water hole, movable filter plate is connected with extension rod, extension rod is connected with fixed block, fixed block is connected with sliding rod, sliding rod is connected with collecting cavity, collecting cavity is connected with cleaning head, cleaning head is connected with water hole, fixed plate is connected with connecting port, connecting port is connected with tension spring, tension spring is connected with protrusion, protrusion is connected with groove, groove is connected with bevel. Figures 1-6The utility model provides a water conservancy diversion device and method thereof, the shell 1 is provided with a circular groove 101, the circular groove 101 is rotatably installed with the base 2, the upper side of base 2 is fixedly installed with the top plate 3, the shaft center of top plate 3 is provided with the water inlet 31, one side of water inlet 31 is provided with the movable filter plate 4, top plate 3 is provided with the drive assembly 5 of the movable filter plate 4 sliding, the base 2 is provided with the filter assembly 6, the filter assembly 6 includes: first filter plate 61 and second filter plate 62, first filter plate 61 is located at the port of water inlet 31, movable filter plate 4 is movably connected with the outer wall of one side of first filter plate 61, second filter plate 62 is fixedly installed on the inner wall of base 2, first filter plate 61 is movably installed on the inner wall of opposite sides of second filter plate 62.

[0040] Specifically, the driving assembly 5 comprises a motor 51, a cam 52 and a spring 53, the motor 51 is fixedly installed on the outer wall of the upper side of the top plate 3, the cam 52 is fixedly installed on the output end of the motor 51, the top plate 3 is provided with a mounting hole 32 penetrating through the outer walls of the upper and lower sides, the outer wall of the upper side of the movable filter plate 4 is provided with an extension rod 41, the top end of the extension rod 41 is provided with a fixed block 42, the fixed block 42 is slidingly installed in the mounting hole 32, and one end of the fixed block 42 is movably connected with the outer wall of the cam 52, the outer wall of the lower side of the movable filter plate 4 is provided with a sliding rod 43, the inner wall of the base 2 is provided with a mounting groove 21, the sliding rod 43 is slidingly installed in the mounting groove 21, and the spring 53 is fixedly installed in the mounting groove 21 and movably connected with the lower end of the sliding rod 43. The upper end of the mounting groove 21 is provided with a fixed plate 7, the fixed plate 7 is provided with a fixed hole, and a bolt is threadedly connected in the fixed hole. The second filter plate 62 is in the shape of 90-degree V, the first filter plate 61 is arc-shaped, the opposite two outer walls of the first filter plate 61 are fixed with the second filter plate 62, the base 2 is provided with a joint 22, one end of the joint 22 is fixedly connected with the water inlet 31, the joint 22 is located at the V-shaped sharp corner of the second filter plate 62, the joint 22 is provided with an opening 23, the opening 23 penetrates through the sharp corner end of the second filter plate 62, and the water outlet 25 is located on one side of the V-shaped port opposite to the second filter plate 62. For details, refer to the accompanying drawings 1-6. Figure 4 、 5 or 6, the cam 52 is driven to rotate by the motor 51, the protruding part of the cam 52 intermittently contacts the outer wall of the fixed block 42, so that the fixed block 42 slides in the mounting hole 32, the sliding rod 43 provided on the lower side of the movable filter plate 4 slides downward under stress and is bounced upward by the spring 53 when the stress is removed, the first filter plate 61 is cleaned by the sliding and bouncing of the movable filter plate 4, the spring 53 and the sliding rod 43 in the mounting groove 21 are adjusted by the fixed plate 7, so that the movable filter plate 4 is installed and adjusted, the first filter plate 61 in the included angle is fixed by the V-shaped second filter plate 62, and the filtering strength can be increased by the impact force of water flow, on the one hand, the silt on the first filter plate 61 is dispersed by the impact force of water flow and enters the movable filter plate 4, on the other hand, the water flow speed of the movable filter plate 4 is reduced, so that the silt is deposited, the water flow after passing through the movable filter plate 4 is filtered again by the second filter plate 62, so that the water quality is improved.

[0041] Specifically, the movable filter plate 4 is provided with a collecting cavity 44, the outer wall of one side of the movable filter plate 4 is provided with a cleaning head 45, the cleaning head 45 is semispherical, the cleaning head 45 is fixedly installed on the outer wall of one side of the movable filter plate 4 close to the first filter plate 61, the two sides of the collecting cavity 44 are provided with water passing holes 46, the water passing holes 46 penetrate through the collecting cavity 44, and the water passing holes 46 on the two sides are arranged in an up-down staggered manner. For details, refer to the accompanying drawings 1-6. Figure 6As shown, the cleaning head 45 is arranged on the movable filter plate 4, and the cleaning of the filter hole 63 is realized when the movable filter plate 4 slides up and down, and the large structure of the sludge is destroyed and collected into the collecting cavity 44, wherein one side of the collecting cavity 44 is provided with an opening 23 for cleaning and replacing when the sludge is collected to a certain amount, and water holes 46 are arranged on both sides of the collecting cavity 44, and the water flow is deflected through the staggered water holes 46, that is, the water flow enters through the lower water hole 46, and after the sludge is deposited, it is discharged through the upper water hole 46, and the sludge collected when the movable filter plate 4 slides up and down is blocked and filtered by the second filter plate 62, thereby improving the water quality and efficiency of the drainage work.

[0042] Specifically, the outer wall of the shell 1 is provided with a through hole 24 penetrating the circular groove 101, the outer wall of the base 2 is provided with a water outlet 25, the water outlet 25 is provided with a connecting port 8, and the connecting port 8 is movably connected with the through hole 24. The connecting port 8 is slidably installed at one end of the water outlet 25, the inner wall of the water outlet 25 is provided with a limiting groove, a tension spring 9 is arranged in the limiting groove, one end of the tension spring 9 is fixedly connected with the outer wall of the connecting port 8, the connecting port 8 is slidably installed in the limiting groove, the outer wall of one end of the connecting port 8 is provided with an inclined surface 12, and the inclined surface 12 is movably connected with the inner wall of the through hole 24. A protrusion 10 is arranged in the limiting groove, and a groove 11 is arranged on the connecting port 8, and the protrusion 10 and the groove 11 are slidably connected. For reference Figure 1 、 3 As shown, the through hole 24 is arranged on the shell 1, and the base 2 installed in the circular groove 101 can adjust the water outlet 25 according to the actual use, connect the water outlet 25 with the through hole 24 in different directions, and achieve the purpose of multi-directional and multi-angle water flow conveying. Specifically, the connecting port 8 is parallelly slid on the inner wall of the water outlet 25, and the tension spring 9 is arranged on the base 2 to always keep the connecting port 8 protruding. When it is necessary to adjust the water outlet 25 to cooperate with a certain through hole 24, the base 2 can be rotated to drive the connecting port 8 to retract into the adjusting water outlet 25. The inner wall of the circular groove 101 is provided with a ring groove matched with the connecting port 8. The connecting port 8 is slid in the ring groove, and after rotating 90 degrees, it is separated from the resistance and protrudes forward. The connecting recess 11 provided on the outer wall of the connecting port 8 is connected with the water pipe for use, so as to achieve the purpose of multi-directional water outlet 25 and avoid the problems of single water outlet and inconvenient installation in the prior art.

[0043] Specifically, the first filter plate 61 is provided with a plurality of filtering holes 63 arranged in an arc array, the cleaning head 45 is movably connected with the inner wall of the filtering hole 63, and the second filter plate 62 is provided with a fine hole 64 located on one side of the movable filter plate 4. According to the filtering needs and actual use requirements, the diameter of the filtering hole 63 is greater than that of the water passage hole 46 and the fine hole 64, and the water flow is filtered multiple times through the gradually reduced hole diameter; the movable filter plate 4 is consistent with the shape of the first filter plate 61, but the shape is not limited to a circular arc, and can also be set as an s-shaped to increase the contact area with the water flow, so as to increase the filtering degree of the water flow and improve the filtering effect by increasing the contact area.

[0044] The use method of the above-mentioned drainage device for water conservancy projects comprises the following steps:

[0045] S1: respectively install the base 2, the top plate 3 and the shell, align the water outlet 25 on the base 2 with any through hole 24, and connect the water pipes from the water inlet 31 and the water outlet 25 provided on the top plate 3, so that the extracted water flows into the water inlet 31, passes through the internal filter of the base 2 and then flows out from the water outlet 25;

[0046] S2: the filter assembly 6 is arranged in the interior of the base 2, the water flow is filtered through the first filter plate 61, and the movable filter plate 4 is arranged on the first filter plate 61, the filtering hole 63 of the first filter plate 61 is cleaned by driving the movable filter plate 4 to slide up and down through the driving assembly 5, and the sludge falling during the cleaning is collected into the collecting cavity 44;

[0047] S3: the water filtered of the sludge flows out through the fine hole 64 arranged in a staggered manner on the movable filter plate 4, and the water flow is filtered again through the second filter plate 62, and finally the water flow passes through the filtering hole 63, the water passage hole 46 and the fine hole 64 and then flows out from the water outlet 25.

[0048] Working principle: in use, by adjusting the water outlet 25, and after adjusting, connecting the water pipe, starting the water pump set on the water inlet 31, so that the water flow through the water inlet 31 into the inside of the base, after water, water flow through the first filter plate 61, through the filter hole 63 to the other side, the silt carried by the water flow will be retained on the surface of the first filter plate 61, through the first filter plate 61 set on the other side of the movable filter plate 4 up and down, drive cleaning brush to clean the filter hole 63 of the first filter plate 61, will destroy the large particle silt, and through the water hole 46 set on the movable filter plate 4 will silt into the collection cavity 44, realize the collection of silt, and again through the water hole 46 set on the other side to the second filter plate 62, the second filter plate 62 is provided with small diameter hole 64, the water flow is filtered again, the filtered water flow into the V-shaped second filter plate 62 obtuse side, through the water outlet 25 set on the obtuse side of the second filter plate 62 will water source discharge, after filtering the water precipitation is reduced, can avoid the problem of pipe blockage in long-term use, and the shell is provided with a plurality of through holes 24 can be used for installing water pipe, in long-term use, only need to clean the silt deposition in the base regularly, to ensure the subsequent drainage efficiency, and when the pipe needs to be replaced, the drainage line needs to be changed, the water outlet 25 can be directly adjusted to cooperate with the through hole 24 at different positions, so as to achieve the purpose of replacing the pipe, reduce the inconvenience in long-term, frequent drainage operation.

[0049] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or equivalent replacement, the technical scheme recorded in the foregoing embodiments, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the present application.

Claims

1. A diversion device for water conservancy projects, comprising a housing (1), characterized in that: A circular groove (101) is provided inside the housing (1), and a base (2) is rotatably installed inside the circular groove (101). A top plate (3) is fixedly installed on the upper side of the base (2). A water inlet (31) is provided at the axis of the top plate (3). A movable filter plate (4) is provided on one side of the water inlet (31). A drive assembly (5) is provided on the top plate (3) to drive the movable filter plate (4) to slide. The base (2) is provided with a filter assembly (6), which includes a first filter plate (61) and a second filter plate (62). The first filter plate (61) is located at the port of the water inlet (31). The movable filter plate (4) is movably connected to the outer wall of one side of the first filter plate (61). The second filter plate (62) is fixedly installed on the inner wall of the base (2). The first filter plate (61) is movably installed on the inner walls of opposite sides of the second filter plate (62). The second filter plate (62) is 90-degree V-shaped, and the first filter plate (61) is arc-shaped. The outer walls of opposite sides of the first filter plate (61) abut against the second filter plate (62). The outer wall of the housing (1) is provided with through holes (24) that penetrate the circular groove (101), and the outer wall of the base (2) is provided with a water outlet (25). The water outlet (25) is provided with a connection port (8), and the connection port (8) is movably connected to the through hole (24). The movable filter plate (4) is provided with a collection cavity (44), and a cleaning head (45) is provided on the outer wall of one side of the movable filter plate (4). Water passage holes (46) are provided on both sides of the collection chamber (44), and the water passage holes (46) penetrate the collection chamber (44). The base (2) is provided with an interface (22), which is fixedly connected to one end of the inlet (31). The interface (22) is located at the V-shaped corner of the second filter plate (62). The interface (22) is provided with an opening (23), which penetrates the corner end of the second filter plate (62). The outlet (25) is located on one side opposite to the V-shaped end of the second filter plate (62). The first filter plate (61) is provided with a plurality of filter holes (63) arranged in an arc-shaped array. The second filter plate (62) is provided with fine holes (64), which are located on one side of the movable filter plate (4); the water drawn in flows in from the inlet, and the water flows out through the filter hole (63), the water passage hole (46) and the fine hole (64) through the outlet (25).

2. The diversion device for water conservancy projects according to claim 1, characterized in that: The drive assembly (5) includes a motor (51), a cam (52) and a spring (53). The motor (51) is fixedly installed on the outer wall of the upper side of the top plate (3). The cam (52) is fixedly installed on the output end of the motor (51). The top plate (3) is provided with a mounting hole (32) that penetrates the upper and lower outer walls. The upper outer wall of the movable filter plate (4) is provided with an extension rod (41). The top end of the extension rod (41) is provided with a retaining block (42). The retaining block (42) is slidably installed in the mounting hole (32), and one end of it is movably connected to the outer wall of the cam (52). The lower outer wall of the movable filter plate (4) is provided with a slide rod (43). The inner wall of the base (2) is provided with a mounting groove (21). The slide rod (43) is slidably installed in the mounting groove (21). The spring (53) is fixedly installed in the mounting groove (21) and is movably connected to the lower end of the slide rod (43).

3. A diversion device for water conservancy projects according to claim 2, characterized in that: The cleaning head (45) is hemispherical and is fixedly installed on the outer wall of the movable filter plate (4) near the first filter plate (61). The water holes (46) on both sides of the collection chamber (44) are staggered vertically.

4. A diversion device for water conservancy projects according to claim 3, characterized in that: The upper end of the mounting groove (21) is provided with a fixing plate (7), and the fixing plate (7) is provided with a fixing hole, and a bolt is threaded into the fixing hole.

5. A diversion device for water conservancy projects according to claim 4, characterized in that: The connection port (8) is slidably installed on one end of the outlet (25). The inner wall of the outlet (25) is provided with a limiting groove. A tension spring (9) is provided in the limiting groove. One end of the tension spring (9) is fixedly connected to the outer wall of the connection port (8). The connection port (8) is slidably installed in the limiting groove. The outer wall of one end of the connection port (8) is provided with a chamfered surface (12). The chamfered surface (12) is movably connected to the inner wall of the through hole (24).

6. A diversion device for water conservancy projects according to claim 5, characterized in that: A protrusion (10) is provided in the limiting groove, and a groove (11) is provided on the connecting port (8). The protrusion (10) and the groove (11) are slidably connected.

7. A diversion device for water conservancy projects according to claim 6, characterized in that: The cleaning head (45) is movably connected to the inner wall of the filter hole (63).

8. The method of using a diversion device for water conservancy projects according to any one of claims 1-7, characterized in that: Includes the following steps: S1: Install the base (2), top plate (3) and outer shell respectively, align the water outlet (25) on the base (2) with any through hole (24), and connect the water pipe from the water inlet (31) and water outlet (25) set on the top plate (3) so that the pumped water flows in from the water inlet (31), is filtered inside the base (2) and flows out from the water outlet (25); S2: A filter assembly (6) is provided inside the base (2), which filters the water flow through the first filter plate (61), and a movable filter plate (4) is provided on the first filter plate (61). The movable filter plate (4) is driven up and down by the drive assembly (5) to clean the filter holes (63) of the first filter plate (61) and collect the sludge that falls into the collection chamber (44). S3: Water after sludge removal flows out through the water passage (46) set in a staggered manner on the movable filter plate (4), and the water flow is filtered again through the second filter plate (62). Finally, the water flow through the filter hole (63), water passage (46), and fine hole (64) flows out through the outlet (25).

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