CN218686825U - Prevent pipeline filtration for hydraulic engineering of jam - Google Patents

Abstract

The utility model relates to the field of hydraulic engineering, in particular to an anti-blocking pipeline filtering structure for hydraulic engineering, which comprises a filtering pipe and a filtering pipe; when the filter screen board in the filter tube is when intercepting aquatic dirt, because of impurity is more leads to rivers to diminish, take place to block up, can close two butterfly valves simultaneously through synchronous subassembly this moment, then wash the sticky dirt in filter screen board surface through washing the subassembly and wash cleanly, rivers that wash filter screen board surface can drive simultaneously and strike off the subassembly with filter screen board surface, the winding is glued sticky and is washed the relatively poor filth of effect and cut off and strike off, make to cut off the dirt after striking off and can collect blowdown subassembly along with rivers entering, through collecting the rivers that the blowdown subassembly thoughtlessly has the filth in with the filter tube, filter the interception then discharge with aquatic filth through the filter box, rivers enter into and continue to circulate in the main outlet pipe, the sticky dirt in filter screen board surface is discharged through collecting blowdown subassembly this moment, be difficult for taking place to pile up.

Description

Prevent pipeline filtration structure for hydraulic engineering of jam

Technical Field

The utility model relates to a hydraulic engineering field, very much relate to a prevent pipeline filtration structure for hydraulic engineering of jam.

Background

Hydraulic engineering is guide and control surface water and groundwater, prevents flood disasters, increases water resource utilization's engineering, through regulation and the distribution that carries out the water yield to satisfy people's life and production to the needs of water resource, for improving quality of water, the pipeline passes through inside filter screen among the prior art, filters the intraductal debris dirt, but the pipeline filter screen blocks up easily after using for a long time, is difficult to the clearance.

Therefore, a pipeline filtering structure for hydraulic engineering for preventing blockage is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutting device convenient to it is clean just to provide for solving above-mentioned problem, has improved the easy jam after the long-time use of pipe filter screen, is difficult to the problem of clearance.

The utility model discloses a technical scheme realizes above-mentioned mesh through following, a pipeline filtration structure for hydraulic engineering that prevents blockking up, the filter tube, the inside fixedly connected with of filter tube filters the otter board, the both ends of filter tube all fixedly connected with butterfly valve, the end of leaning on away from of two butterfly valves is connected with main outlet pipe and main inlet tube respectively, the upside of two butterfly valves is provided with the synchronizing assembly; and wash and prevent stifled mechanism, wash and prevent stifled mechanism including the subassembly that washes that is used for the rivers through main inlet tube to wash filter screen plate surface dirt for the sewage discharge after will washing filters the collection blowdown subassembly of collecting with the dirt in the sewage simultaneously and utilizes the rivers impulsive force of subassembly that washes to glue glutinous dirt to the second collecting pipe surface and strike off the subassembly, it sets up in one side of main outlet pipe to collect the blowdown subassembly, the subassembly that washes sets up in one side of main inlet tube, strike off the subassembly and set up in one side of filter tube.

Preferably, synchronizing assembly includes hold-in range and two synchronizing wheels, two the upside of butterfly valve all is provided with a switch valve rod, two synchronizing wheel fixed connection respectively is in two switch valve rod surfaces, two synchronizing wheel passes through the hold-in range meshing transmission, can close two butterfly valves fast through synchronizing assembly to guarantee to wash that anti-blocking mechanism can convenient and fast clear up filter plate.

Preferably, the washing subassembly includes that the first washing advances the pipe, intake ball valve, water wheel box and second washes into the pipe, the first washing advances the fixed one end that runs through and install in main inlet tube of pipe, intake ball valve fixed connection advances the pipe in the first one end of washing, water wheel box fixed connection advances the one end of water ball valve, the second is washed into the one end of pipe fixed connection in water wheel box, the second washes the fixed inner wall that runs through the filter tube of the one end of advancing the pipe, can wash away the dirt that filter plate hole blockked up in the reverse through rivers through washing subassembly for filter plate inner hole no longer blocks up.

Preferably, strike off the subassembly and include first transmission shaft, waterwheel piece, first bevel gear, second bevel gear, rotation seat, second transmission shaft and scrape dirty board, the waterwheel piece rotates the inner wall of connecting in the waterwheel box, first transmission shaft fixed connection is in the one end centre of a circle department of waterwheel piece, the one end of first transmission shaft is rotated and is run through in the inner wall of a side of waterwheel box and filter tube, first bevel gear fixed connection is in the circumferential surface of first transmission shaft, rotate seat fixed connection in the inner wall of filter tube, the second transmission shaft rotates the inner wall of connecting in rotating the seat, scrape dirty board fixed connection in the circumferential surface of second transmission shaft, second bevel gear fixed connection in the circumferential surface of second transmission shaft, first bevel gear is connected with the meshing of second bevel gear, filters fibrous material such as otter grass of the easy adhesion of otter board surface, twines the filtration pore for rivers are difficult to erode fibrous dirt, and the dirty board of filtering in the otter board subassembly is comparatively laminated, scrapes dirty board and rotates at the filtration surface, can produce the shearing force, cuts off the winding of the fibrous dirt of filtration otter board hole, can's away the grinding in the rivers grinding.

Preferably, collect blowdown subassembly and include first collecting pipe, drainage ball valve, mount pad, second collecting pipe and get dirty part, first collecting pipe is fixed to be run through and installs in the surface of filter tube, drainage ball valve fixed connection is in the one end of first collecting pipe, mount pad fixed connection is in the one end of drainage ball valve, second collecting pipe fixed connection is in the one end of mount pad, the one end of second collecting pipe is fixed to be run through in the inner wall of main outlet pipe, it sets up in one side of mount pad to get dirty part, can guide the dirt that is used for washing filter screen board in the filter tube through collecting the blowdown subassembly, arranges to main outlet pipe in, and the dirt that will filter screen board surface washing got down simultaneously is collected, takes out, prevents that the dirt from piling up.

Preferably, the part of getting dirty includes hollow block, fixed block, filter cartridge and spring, filter cartridge sliding connection is in the inner wall of mount pad, hollow block fixed connection is in the lower extreme of mount pad, fixed block sliding connection is in the inner wall of hollow block, the both ends of spring respectively with hollow block and fixed block fixed connection, get dirty part and can take out the dirt of interception collection in the mount pad, prevent that the dirt from piling up the jam in the mount pad.

Preferably, the one end fixedly connected with telescopic link of hollow block, the one end and the fixed block fixed connection of telescopic link, the circumference surface of telescopic link is located to the spring housing, when the spring promoted the fixed block to block the filter cartridge and prevent to fall out, the spring took place elastic deformation easily this moment and leads to damaging, can support the spring through the telescopic link this moment for the difficult elastic deformation that takes place of spring.

The utility model has the advantages that:

1. when a filter screen plate in a filter pipe intercepts dirt in water, water flow is reduced due to more impurities, and blockage occurs, at the moment, two butterfly valves can be simultaneously closed through a synchronous assembly, then the dirt adhered to the surface of the filter screen plate is washed and cleaned through a washing assembly, meanwhile, the water flow washed from the surface of the filter screen plate can drive a scraping assembly to scrape the surface of the filter screen plate, and the wound dirt with poor adhering washing effect is cut off and scraped, so that the cut and scraped dirt can enter a collecting and dirt discharging assembly along with the water flow, the water flow mixed with the dirt in the filter pipe is filtered and intercepted through a filter box and then discharged, the water flow enters a main water outlet pipe to continue circulation, at the moment, the dirt adhered to the surface of the filter screen plate is discharged through the collecting and dirt discharging assembly, accumulation is not easy to occur, and the filter screen plate can continue to filter the dirt carried by the water flow in the filter pipe and is not blocked;

2. through setting up the part of getting dirty, can be at the more aquatic dirt of filter cartridge interception, when leading to the filter cartridge to block up, with the interior dirt discharge of filter cartridge this moment for dirt no longer blocks up in the filter cartridge, can collect the filtration to the dirt that the filter plate surface was scraped.

Drawings

FIG. 1 is a front perspective view of an anti-clogging plumbing filtering structure;

fig. 2 is an enlarged view of a in fig. 1 according to the present invention;

fig. 3 is a first perspective view of the present invention;

fig. 4 is an enlarged view of B in fig. 3 according to the present invention;

fig. 5 is an enlarged view of C in fig. 3 according to the present invention.

In the figure: 1. a main water outlet pipe; 2. a butterfly valve; 3. a filter tube; 4. a first flush inlet; 5. a main water inlet pipe; 6. a water inlet ball valve; 7. a water wheel box; 8. a second flush inlet; 9. a first drive shaft; 10. a first collection tube; 11. a synchronizing wheel; 12. a synchronous belt; 13. a mounting seat; 14. a second collection tube; 15. a hollow block; 16. a fixed block; 17. a filter cartridge; 18. a spring; 19. a telescopic rod; 20. water wheel blades; 21. a first bevel gear; 22. a second bevel gear; 23. a rotating seat; 24. a dirt scraping plate; 25. a second drive shaft; 26. a filter screen plate; 27. a switch valve rod; 28. a drain ball valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-5, in the anti-clogging pipeline filtering structure for the hydraulic engineering, a filtering pipe 3 is provided, a filtering screen plate 26 is fixedly connected inside the filtering pipe 3, butterfly valves 2 are fixedly connected to both ends of the filtering pipe 3, the ends close to and far away from the two butterfly valves 2 are respectively connected with a main water outlet pipe 1 and a main water inlet pipe 5, and the upper sides of the two butterfly valves 2 are provided with synchronizing components; and a flushing anti-blocking mechanism, the flushing anti-blocking mechanism comprises a flushing component for flushing dirt on the surface of the filter screen plate 26 by water flow of the main water inlet pipe 5, a collecting sewage discharging component for discharging flushed sewage and filtering and collecting the dirt in the sewage and a scraping component for scraping off the sticky dirt on the surface of the second collecting pipe 14 by using water flow impulsive force of the flushing component, the collecting sewage discharging component is arranged on one side of the main water outlet pipe 1, the flushing component is arranged on one side of the main water inlet pipe 5, the scraping component is arranged on one side of the filter pipe 3, when the filter screen plate 26 in the filter pipe 3 intercepts the dirt in water, the holes are blocked due to more impurities, so that the water flow is reduced, at the moment, the two butterfly valves 2 can be simultaneously closed by rotating the synchronous component, then wash cleanly by the sticky dirt of reverse sticky with filtering screen plate 26 surface through washing the subassembly, simultaneously to the rivers that filtering screen plate 26 surface washed, can drive and strike off the subassembly, will filter screen plate 26 surface winding and glue the sticky relatively poor filth of washing effect and cut off and strike off, make to cut off the dirt after scraping off and can collect blowdown subassembly along with rivers entering easily, be difficult for gluing sticky with filtering screen plate 26, open this moment and collect blowdown subassembly, the rivers that have the filth in 3 with the filter tube, filter the interception then discharge with aquatic filth through filter box 17, rivers continue to circulate in getting into main outlet pipe 1, the sticky dirt in 26 surface of filtering screen plate this moment is discharged through collecting blowdown subassembly, be difficult for taking place to pile up, filtering screen plate 26 can continue to filter the dirt that the rivers carried in 3 filter tubes, no longer take place to block up.

As shown in fig. 1, 3 and 4, the synchronizing assembly includes a synchronous belt 12 and two synchronous wheels 11, a switch valve rod 27 is disposed on an upper side of each of the two butterfly valves 2, the two synchronous wheels 11 are respectively fixedly connected to surfaces of the two switch valve rods 27, the two synchronous wheels 11 are meshed through the synchronous belt 12 for transmission, when a worker wants to close water flowing in the two butterfly valves 2, the worker can rotate the switch valve rod 27, so that the switch valve rod 27 drives the two switch valve rods 27 to close water flowing in the two butterfly valves 2 simultaneously through transmission of the two synchronous wheels 11 and the synchronous belt 12, for workers in the art, the butterfly valves 2 and the switch valve rods 27 are both of the prior art and are not too much, the detailed description of the flushing assembly includes a first flushing inlet pipe 4, a water inlet ball valve 6, a water wheel box 7 and a second flushing inlet pipe 8, the first flushing inlet pipe 4 is fixedly installed on a surface of the main inlet pipe 5, the water inlet ball valve 6 is fixedly connected to one end of the first flushing inlet pipe 4, the water wheel box 7 is fixedly connected to one end of the water inlet ball valve 6, the second flushing inlet pipe 8 is fixedly connected to one end of the water wheel box 7, one end of the second flushing inlet pipe 8 is fixedly penetrated through the inner wall of the filter pipe 3, when more dirt is adhered to the surface of the filter screen plate 26 to affect water flow, a worker wants to flush and remove the dirt on the surface of the filter screen plate 26, at the moment, the two butterfly valves 2 can be closed, then the water inlet ball valve 6 is opened, so that the water flow passes through the first flushing inlet pipe 4 and the water inlet ball valve 6 and enters the water wheel box 7, the water flow passes through the water wheel box 7 to drive the scraping component to scrape off the dirt on the surface of the filter screen plate 26, meanwhile, the water flow enters the filter pipe 3 through the water wheel box 7 and the second flushing inlet pipe 8, the connection position of the water wheel box 7 and the filter pipe 3, the filter screen plate 26 in the filter pipe 3 is close to one side of the main water outlet pipe 1, therefore, water flows from one side of the filter screen 26 close to the main water outlet pipe 1 to the direction of the main water inlet pipe 5 to wash the filter screen 26, and the water flows into the main water outlet pipe 1 after being filtered by the collecting and draining assembly, for workers in the technical field, the water inlet ball valve 6 is the prior art, which is not described herein much, the scraping assembly comprises a first transmission shaft 9, a water wheel blade 20, a first bevel gear 21, a second bevel gear 22, a rotating seat 23, a second transmission shaft 25 and a dirt scraping plate 24, the water wheel blade 20 is rotatably connected to the inner wall of the water wheel box 7, the first transmission shaft 9 is fixedly connected to the center of a circle of one end of the water wheel blade 20, one end of the first transmission shaft 9 rotatably penetrates through one side end of the water wheel box 7 and the inner wall of the filter pipe 3, the first bevel gear 21 is fixedly connected to the circumferential surface of the first transmission shaft 9, the rotating seat 23 is fixedly connected to the inner wall of the filter pipe 3, the second transmission shaft 25 is rotatably connected to the inner wall of the rotating seat 23, the dirt scraping plate 24 is fixedly connected to the circumferential surface of the second transmission shaft 25, the second bevel gear 22 is fixedly connected to the circumferential surface of the second transmission shaft 25, the first bevel gear 21 is in meshed connection with the second bevel gear 22, when water flows into the filter pipe 3 through the water wheel box 7 and the second flushing inlet pipe 8, the water flow can push the water wheel blades 20 in the water wheel box 7 to rotate, so that the water wheel blades 20 drive the first transmission shaft 9 to rotate, so that the first transmission shaft 9 drives the first bevel gear 21 to rotate, so that the first bevel gear 21 drives the second transmission shaft 25 and the dirt scraping plate 24 to rotate through the second bevel gear 22, the dirt scraping plate 24 is relatively attached to the surface of the filter screen plate 26, the dirt scraping plate 24 rotates on the surface of the filter screen plate 26 to generate a shearing force, and the fibrous dirt wound around the holes of the filter screen plate 26 is cut off and ground, can not be wound in the holes of the filter screen plate 26 and can be washed away by water flow.

As shown in fig. 1, 2 and 5, the collecting and discharging assembly includes a first collecting pipe 10, a drain ball valve 28, a mounting seat 13, a second collecting pipe 14 and a dirt-removing component, the first collecting pipe 10 is fixedly installed on the surface of the filtering pipe 3 in a penetrating manner, the drain ball valve 28 is fixedly connected to one end of the first collecting pipe 10, the mounting seat 13 is fixedly connected to one end of the drain ball valve 28, the second collecting pipe 14 is fixedly connected to one end of the mounting seat 13, one end of the second collecting pipe 14 is fixedly connected to the inner wall of the main water outlet pipe 1, the dirt-removing component is arranged on one side of the mounting seat 13, when the flushing assembly is opened, water flows into the filtering pipe 3 to flush the filter screen 26, at this time, the drain ball valve 28 can be opened, so that water flows into the drain ball valve 28 and the mounting seat 13 through the first collecting pipe 10, and is connected to the main water outlet pipe 1 through the second collecting pipe 14 by the mounting seat 13, the joint of the first collecting pipe 10 and the filtering pipe 3 is located at one side of the second collecting pipe 14 in the filtering pipe 3 close to the main water outlet pipe 1, at this time, the filtering box 17 in the mounting seat 13 filters and collects dirt and impurities in water flow, the part of the filtering box 17 attached to the second collecting pipe 14 is provided with a filtering hole, so that the dirt and impurities cannot enter the main water outlet pipe 1, when more impurities accumulate in the filtering box 17, the drainage ball valve 28 can be closed, the impurities collected in the filtering box 17 are taken out through the dirt taking-out part, so that the impurities are not easy to accumulate in the filtering box 17 and cause blockage, for workers in the technical field, the drainage ball valve 28 is not repeated in the prior art, the dirt taking-out part comprises a hollow block 15, a fixed block 16, the filtering box 17 and a spring 18, the filtering box 17 is slidably connected to the inner wall of the mounting seat 13, the hollow block 15 is fixedly connected to the lower end of the mounting seat 13, the fixing block 16 is slidably connected to the inner wall of the hollow block 15, two ends of the spring 18 are respectively fixedly connected with the hollow block 15 and the fixing block 16, the filter box 17 is slidably connected to the inner wall of the mounting seat 13, when people want to slide and take out the filter box 17 from the mounting seat 13, the drain ball valve 28 is firstly closed to cut off water flow, then the fixing block 16 can be pulled downwards, at this time, the fixing block 16 does not block the filter box 17, at this time, the filter box 17 is taken out from the mounting seat 13, dirt filtered by the filter box 17 is discharged, after the dirt in the filter box 17 is discharged, the fixing block 16 is pulled again at this time, the filter box 17 slides on the inner wall of the mounting seat 13, at this time, the fixing block 16 is loosened, then the spring 18 pulls the fixing block 16 to block the filter box 17, so that the filter box 17 cannot be separated from the mounting seat 13, at this time, the filter box 17 is mounted, one end of the hollow block 15 is fixedly connected with the telescopic rod 19, one end of the telescopic rod 19 is fixedly connected with the fixing block 16, the fixing block 18 is fixedly connected with the fixing block 16, the spring 18 is sleeved on the circumferential surface of the telescopic rod 19, when the spring 18 pushes the fixing block 16 to prevent the filter box 17 from falling out, at this time, the spring 18 is not easy to be damaged, and the spring 18 is not easy to support the spring 18, and the spring 18 to cause the spring 18 to deform the spring 18, and the telescopic rod to support the spring 18 to deform easily, and the telescopic rod 18 to prevent the filter box 17.

When the utility model is used, when the filter screen plate 26 in the filter pipe 3 intercepts dirt in water, the holes are blocked due to more impurities, so that the water flow is reduced, at the moment, the switch valve rod 27 can be rotated, so that the switch valve rod 27 drives the two switch valve rods 27 to simultaneously close the water flow circulating in the two butterfly valves 2 through the transmission of the two synchronizing wheels 11 and the synchronizing belts 12, then the water inlet ball valve 6 is opened, so that the water flow passes through, the first flushing inlet pipe 4 and the water inlet ball valve 6 enter the water wheel box 7, meanwhile, the water flow enters the filter pipe 3 through the water wheel box 7 and the second flushing inlet pipe 8 and then flows out from the first collecting pipe 10, the joint of the water wheel box 7 and the filter pipe 3 is positioned at one side of the filter screen plate 26 in the filter pipe 3, which is close to the main water outlet pipe 1, the joint of the first collecting pipe 10 and the filter pipe 3 is positioned at one side of the second collecting pipe 14 in the filter pipe 3, which is close to the main water outlet pipe 1, then water flows from one side of the filter screen 26 close to the main water outlet pipe 1 to the direction of the main water inlet pipe 5 to wash the filter screen 26, meanwhile, the water flows through the water wheel box 7 and the second wash inlet pipe 8 to flow into the filter pipe 3, the water pushes the water wheel blades 20 in the water wheel box 7 to rotate, so that the water wheel blades 20 drive the first transmission shaft 9 to rotate, so that the first transmission shaft 9 drives the first bevel gear 21 to rotate, so that the first bevel gear 21 drives the second transmission shaft 25 and the dirt scraping plate 24 to rotate through the second bevel gear 22, the dirt scraping plate 24 is relatively attached to the surface of the filter screen 26, the dirt scraping plate 24 rotates on the surface of the filter screen 26 to generate shearing force, fiber-shaped dirt wound around the holes of the filter screen 26 is cut and ground, cannot be wound in the holes of the filter screen 26, and can be washed away by the water flow, and the water flow mixed with the dirt enters the first collecting pipe 10, at this time, the drain ball valve 28 is opened, so that water flows through the first collecting pipe 10 and the drain ball valve 28 and flows into the mounting seat 13 and the second collecting pipe 14, dirt is filtered and collected through the filter box 17 in the mounting seat 13, then the water flows through the second collecting pipe 14 and flows into the main water outlet pipe 1 to be discharged, when more impurities are accumulated in the filter box 17, the drain ball valve 28 can be closed to cut off the water flow, then the filter box 17 is taken out of the mounting seat 13, dirt filtered by the filter box 17 is discharged, after the dirt in the filter box 17 is discharged, the fixing block 16 is pulled again at this time, the filter box 17 slides on the inner wall of the mounting seat 13, the fixing block 16 is loosened at this time, the fixing block 16 is pulled by the spring 18 to block the filter box 17, so that the filter box 17 cannot be separated from the mounting seat 13, at this time, the filter box 17 is mounted, the filter box 17 can collect the dirt flushed out from the filter box 26, the dirt on the surface of the filter screen 26 is washed and scraped, when the filter screen 26 is cleaned, at this time, the water inlet ball valve 6 and the drain ball valve 28 are closed, the two filter ball valves 2 can be opened to use the filter screen 26 to filter pipe 3 to filter the water flow.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a prevent pipeline filtration for hydraulic engineering of jam which characterized in that includes: the filter device comprises filter pipes (3), wherein filter screen plates (26) are fixedly connected inside the filter pipes (3), butterfly valves (2) are fixedly connected to two ends of each filter pipe (3), the ends, close to and far away from each other, of the two butterfly valves (2) are respectively connected with a main water outlet pipe (1) and a main water inlet pipe (5), and the upper sides of the two butterfly valves (2) are provided with synchronous components; and

wash anti-blocking mechanism, wash anti-blocking mechanism including the rivers that are used for through main inlet tube (5) will filter the subassembly that washes that otter board (26) surface dirt washed for the sewage discharge after will washing filters the collection blowdown subassembly of collecting with the dirt in the sewage simultaneously and utilizes the rivers impulsive force of subassembly that washes to glue glutinous dirt to second collecting pipe (14) surface and strike off the subassembly that strikes off, it sets up in one side of main outlet pipe (1) to collect the blowdown subassembly, it sets up in one side of main inlet tube (5) to wash the subassembly, it sets up in one side of filter tube (3) to strike off the subassembly.

2. The anti-clogging pipeline filtering structure for the hydraulic engineering according to claim 1, characterized in that: synchronizing assembly includes hold-in range (12) and two synchronizing wheel (11), two the upside of butterfly valve (2) all is provided with a switch valve rod (27), two synchronizing wheel (11) fixed connection respectively in two switch valve rod (27) surfaces, two synchronizing wheel (11) are through hold-in range (12) meshing transmission.

3. The anti-clogging pipeline filtering structure for the hydraulic engineering according to claim 1, characterized in that: the flushing assembly comprises a first flushing inlet pipe (4), a water inlet ball valve (6), a water wheel box (7) and a second flushing inlet pipe (8), the first flushing inlet pipe (4) is fixedly penetrated and installed on the surface of a main water inlet pipe (5), the water inlet ball valve (6) is fixedly connected to the first flushing inlet pipe (4) end, the water wheel box (7) is fixedly connected to the water inlet ball valve (6) end, the second flushing inlet pipe (8) is fixedly connected to the water wheel box (7) end, and the second flushing inlet pipe (8) end is fixedly penetrated through the inner wall of a filter pipe (3).

4. The anti-clogging pipeline filtering structure for the hydraulic engineering according to claim 1, characterized in that: the scraping assembly comprises a first transmission shaft (9), a water wheel blade (20), a first bevel gear (21), a second bevel gear (22), a rotating seat (23), a second transmission shaft (25) and a scraping plate (24), wherein the water wheel blade (20) is connected to the inner wall of a water wheel box (7) in a rotating mode, the first transmission shaft (9) is fixedly connected to the circle center of one end of the water wheel blade (20), one end of the first transmission shaft (9) is rotated to penetrate through one side end of the water wheel box (7) and the inner wall of a filter pipe (3), the first bevel gear (21) is fixedly connected to the circumferential surface of the first transmission shaft (9), the rotating seat (23) is fixedly connected to the inner wall of the filter pipe (3), the second transmission shaft (25) is connected to the inner wall of the rotating seat (23) in a rotating mode, the scraping plate (24) is fixedly connected to the circumferential surface of the second transmission shaft (25), the second bevel gear (22) is fixedly connected to the circumferential surface of the second transmission shaft (25), and the first bevel gear (21) is meshed with the second bevel gear (22).

5. The anti-clogging pipeline filtering structure for the hydraulic engineering according to claim 1, characterized in that: collect blowdown subassembly includes first collecting pipe (10), drainage ball valve (28), mount pad (13), second collecting pipe (14) and gets dirty part, first collecting pipe (10) are fixed to be run through and install in the surface of filter tube (3), drainage ball valve (28) fixed connection is in the one end of first collecting pipe (10), mount pad (13) fixed connection is in the one end of drainage ball valve (28), second collecting pipe (14) fixed connection is in the one end of mount pad (13), the one end of second collecting pipe (14) is fixed to be run through in the inner wall of main outlet pipe (1), it sets up in one side of mount pad (13) to get dirty part.

6. The anti-clogging pipeline filtering structure for the hydraulic engineering according to claim 5, characterized in that: get dirty part including hollow block (15), fixed block (16), filter cartridge (17) and spring (18), filter cartridge (17) sliding connection is in the inner wall of mount pad (13), hollow block (15) fixed connection is in the lower extreme of mount pad (13), fixed block (16) sliding connection is in the inner wall of hollow block (15), the both ends of spring (18) respectively with hollow block (15) and fixed block (16) fixed connection.

7. The anti-clogging pipeline filtering structure for the hydraulic engineering according to claim 6, wherein: the one end fixedly connected with telescopic link (19) of hollow block (15), the one end and the fixed block (16) fixed connection of telescopic link (19), the circumference surface of telescopic link (19) is located to spring (18) cover.

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