CN114568261B

CN114568261B - Irrigation equipment for hydraulic engineering that can collect clearance fast to pipeline

Info

Publication number: CN114568261B
Application number: CN202210241252.8A
Authority: CN
Inventors: 周福伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2023-11-24
Anticipated expiration: 2042-03-11
Also published as: CN114568261A

Abstract

The invention relates to the technical field of hydraulic engineering, in particular to an irrigation device for hydraulic engineering, which can be used for rapidly collecting and cleaning pipelines. The automatic cleaning device comprises a moving device and a spraying device arranged on the side face of the moving device, the spraying device comprises a main pipe, a sleeve disc is arranged at the tail end of the main pipe, a screw hole is formed in the side face of the sleeve disc, a pushing component is arranged on the side face of the sleeve disc, the pushing component comprises a hydraulic rod, a screw rod is connected with the tail end of the hydraulic rod in a rotating mode, a cleaning component is connected with the tail end of the screw rod and comprises an inner cylinder, a plurality of connecting components are arranged on the outer side of the inner cylinder, and a scraping plate is connected with the other end of the connecting component. According to the invention, the hydraulic rod pushes the screw rod to move, the screw rod and the screw hole rotate, the inner cylinder is driven to rotate in the moving process of the screw rod, meanwhile, the inner cylinder moves along the inner end of the main pipe, and centrifugal force is generated in the rotating process of the inner cylinder, so that each connecting component is outwards expanded, the scraping plate is driven to be attached to the inner wall of the main pipe, and the inner arm of the main pipe is cleaned rapidly and efficiently along with rotation.

Description

Irrigation equipment for hydraulic engineering that can collect clearance fast to pipeline

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to an irrigation device for hydraulic engineering, which can be used for rapidly collecting and cleaning pipelines.

Background

The hydraulic engineering is various engineering such as flood control, drainage, irrigation, hydroelectric generation, diversion, beach treatment, water and soil conservation, water resource protection and the like, and matched and auxiliary engineering thereof, and in the irrigation process, a special irrigation device is generally required for irrigation due to the general wide irrigation range.

Most of the existing irrigation devices for hydraulic engineering adopt a pipe box integrated structure, the inner end of a pipeline can be flushed only through water flow, and after long-time use, a large amount of impurities can be accumulated on the inner wall of the pipeline, the inner end of the pipeline is easily blocked, the irrigation effect is affected, most of the existing treatment modes can disassemble the pipeline and a water tank, the inner wall of the pipeline is manually cleaned, the cleaning efficiency is greatly reduced, and meanwhile, the pipeline is difficult to clean completely when the pipeline is manually cleaned due to longer length.

Disclosure of Invention

The invention aims to provide an irrigation device for hydraulic engineering, which can be used for rapidly collecting and cleaning pipelines, so as to solve the problems in the background technology.

In order to achieve the above-mentioned purpose, provide a irrigation equipment for hydraulic engineering that can collect clearance fast to pipeline, including mobile device and install the sprinkler in the mobile device side, mobile device includes the bottom plate, the bottom plate bottom is provided with a plurality of gyro wheels, the bottom plate top is provided with the shielding plate, the shielding plate with reserve the cavity between the bottom plate, the bottom plate with be provided with the storage water tank between the shielding plate, storage water tank side both ends all are connected with the water pump, sprinkler includes at least:

the main pipe is connected with a spray head at one end, a plurality of small holes are formed in the side face of the spray head, a sleeve disc is arranged at the other end of the main pipe, and screw holes are formed in the side face of the sleeve disc;

the auxiliary pipes are provided with a pair, the two auxiliary pipes are respectively arranged at two sides of the main pipe, and the auxiliary pipes are communicated with the inner end of the main pipe;

the pushing assembly comprises a hydraulic rod, the tail end of the hydraulic rod is rotatably connected with a screw rod, and the screw rod is in threaded connection with the screw hole;

the cleaning assembly comprises an inner cylinder, the side surface of the inner cylinder is connected with the tail end of the screw rod, a plurality of connecting assemblies are arranged at the top end of the inner cylinder, each connecting assembly comprises a pair of jacking shafts, a jacking rod is rotatably connected between the jacking shafts, a bottom rod is rotatably connected to the tail end of each jacking rod, a sleeve rod is sleeved at the tail end of each bottom rod, bottom shafts are rotatably connected to the two sides of the bottom end of each sleeve rod, each bottom shaft is fixed to the outer side of the inner cylinder, a plurality of scraping plates are arranged on the outer side of the inner cylinder, and the bottom ends of the scraping plates are connected with the top ends of the jacking shafts.

As a further improvement of the technical scheme, one end of the spray head is connected with a threaded pipe, and the threaded pipe is in threaded connection with the inner end of the main pipe.

As a further improvement of the technical scheme, the side face of the sleeve disc is provided with external threads, and the sleeve disc is in threaded connection with the other end of the main pipe.

As a further improvement of the technical scheme, the tail end of the bottom rod is connected with a limiting spring, and the other end of the limiting spring is connected with the inner end of the loop rod.

As a further improvement of the technical scheme, a plurality of water outlets are formed in the outer side of the inner cylinder, the inner ends of the water outlets are connected with outer pipes, the inner ends of the outer pipes are in plug-in fit with inner pipes, the inner pipes are communicated with the inner ends of the scraping plates, and a plurality of water leakage holes are formed in the top ends of the scraping plates.

As a further improvement of the technical scheme, one end of the inner cylinder is connected with a collecting head, and the collecting head is communicated with the inner end of the inner cylinder.

As a further improvement of the technical scheme, a plurality of water stop plates are arranged at the inner end of the collecting head, and the water stop plates are of L-shaped structures.

As a further improvement of the technical scheme, a plurality of cotton boards are arranged at the top end of the scraping board.

As a further improvement of the technical scheme, a certain gap is reserved between the two cotton plates, and the water leakage holes are arranged between the gaps.

As a further improvement of the technical scheme, a plurality of pairs of limiting plates are arranged at two ends of the inner cylinder, sleeve plates are inserted and matched at the tail ends of the limiting plates, and the tail ends of the sleeve plates are connected with the side surfaces of the scraping plates.

Compared with the prior art, the invention has the beneficial effects that:

1. this can collect irrigation equipment for hydraulic engineering of clearance fast to the pipeline, hydraulic stem promotes the lead screw and removes, and lead screw and screw rotate, and the lead screw removes the in-process and drives the inner tube and rotate, and the inner tube removes simultaneously along being responsible for the inner, and the inner tube rotates the in-process and produces centrifugal force for each coupling assembling outwards expands, drives the scraping plate laminating and is responsible for the inner wall, and accompanies the rotation, carries out quick efficient washing to the arm in being responsible for.

2. In this irrigation equipment for hydraulic engineering that can collect the clearance fast to the pipeline, realize freely installing and dismantling the work between cover dish and the person in charge through the external screw thread that sets up to make things convenient for operating personnel regularly to open the cover dish, regularly overhaul cleaning assembly and carry out periodic replacement work to the scraping plate, improve cleaning assembly's result of use.

3. In this irrigation equipment for hydraulic engineering that can collect clearance fast to the pipeline, through spacing spring shrink neutralization partial centrifugal force, avoid rotating the range too big, when leading to scraping plate laminating to be responsible for, lead to scraping plate and be responsible for and receive the damage to the inner wall that leads to, influence the life of both.

4. This can collect among the irrigation equipment for hydraulic engineering of clearance fast to the pipeline, limit board and the cover board through setting up are prescribe a limit to scraping board both ends position, guarantee that the scraping board is in parallel state all the time, avoid centrifugal force too big, and scraping board both ends are highly different, take place the tilting phenomenon, lead to being responsible for the inner wall cleaning effect inequality.

Drawings

FIG. 1 is a schematic overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic diagram of a mobile device according to embodiment 1 of the present invention;

FIG. 3 is a exploded view of the sprinkler structure of embodiment 1 of the present invention;

FIG. 4 is a split view of a main pipe structure according to embodiment 1 of the present invention;

FIG. 5 is a exploded view of the pushing assembly according to embodiment 1 of the present invention;

FIG. 6 is a cross-sectional view showing the structure of a cleaning module according to embodiment 1 of the present invention;

FIG. 7 is a partial enlarged view at A of FIG. 6 of embodiment 1 of the present invention;

FIG. 8 is a schematic view of the inner cylinder structure of embodiment 1 of the present invention;

fig. 9 is a cross-sectional view showing the structure of a connection assembly according to embodiment 1 of the present invention;

FIG. 10 is a partial enlarged view at B of FIG. 9 of embodiment 1 of the present invention;

fig. 11 is a schematic view of a scraping plate structure of embodiment 1 of the present invention.

The meaning of each reference sign in the figure is:

10. a mobile device; 110. a bottom plate; 111. a roller; 120. a cover plate; 130. a water storage tank; 140. a water pump;

20. a spraying device; 210. a main pipe; 211. a spray head; 2111. a threaded tube; 212. a sleeve disk; 2121. a screw hole; 2122. An external thread; 220. a secondary pipe; 230. a pushing assembly; 231. a hydraulic rod; 232. a screw rod; 240. cleaning the assembly; 241. An inner cylinder; 2411. a water outlet; 2412. a collection head; 2413. a water-stop plate; 242. a connection assembly; 2421. a top shaft; 2422. A push rod; 2423. a bottom bar; 2424. a loop bar; 2425. a limit spring; 2426. a bottom shaft; 243. a scraping plate; 2431. A water leakage hole; 244. a cotton board; 245. an outer tube; 246. an inner tube; 247. a limiting plate; 248. and (5) a sleeve plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

Referring to fig. 1-11, an irrigation device for hydraulic engineering is provided, which comprises a mobile device 10 and a spraying device 20 installed on the side surface of the mobile device 10, wherein the mobile device 10 comprises a bottom plate 110, a plurality of rollers 111 are arranged at the bottom end of the bottom plate 110, a cover plate 120 is arranged at the top end of the bottom plate 110, a cavity is reserved between the cover plate 120 and the bottom plate 110, a water storage tank 130 is arranged between the bottom plate 110 and the cover plate 120, water pumps 140 are connected to two ends of the side surface of the water storage tank 130, and the spraying device 20 at least comprises:

a main pipe 210, wherein one end of the main pipe 210 is connected with a spray head 211, a plurality of small holes are formed in the side face of the spray head 211, a sleeve disc 212 is arranged at the other end of the main pipe 210, and screw holes 2121 are formed in the side face of the sleeve disc 212;

the auxiliary pipes 220 are provided with a pair of auxiliary pipes 220, the two auxiliary pipes 220 are respectively arranged at two sides of the main pipe 210, and the auxiliary pipes 220 are communicated with the inner end of the main pipe 210;

the pushing assembly 230 comprises a hydraulic rod 231, a screw rod 232 is rotatably connected to the tail end of the hydraulic rod 231, and the screw rod 232 is in threaded connection with a screw hole 2121;

the cleaning assembly 240, the cleaning assembly 240 includes an inner cylinder 241, the side of the inner cylinder 241 is connected with the end of the screw rod 232, a plurality of connecting assemblies 242 are arranged at the top end of the inner cylinder 241, each connecting assembly 242 includes a pair of top shafts 2421, a top rod 2422 is rotatably connected between the two top shafts 2421, the end of each top rod 2422 is rotatably connected with a bottom rod 2423, the end of each bottom rod 2423 is sleeved with a sleeve rod 2424, two sides of the bottom end of each sleeve rod 2424 are rotatably connected with a bottom shaft 2426, the bottom shafts 2426 are fixed on the outer side of the inner cylinder 241, a plurality of scraping plates 243 are arranged on the outer side of the inner cylinder 241, and the bottom ends of the scraping plates 243 are connected with the top ends of the top shafts 2421.

When the device is specifically used, firstly, the bottom plate 110 is pushed, the rollers 111 roll to drive the whole device to move to a position where irrigation is needed, the water pump 140 is turned on, the water pump 140 pumps liquid at the inner end of the water storage tank 130 into the inner end of the auxiliary pipe 220, the auxiliary pipe 220 transmits the liquid to the inner end of the main pipe 210, the outer end of the main pipe 210 is removed through the sprinkler head 211, irrigation work is carried out, after irrigation is completed, the hydraulic rod 231 is opened, the hydraulic rod 231 pushes the screw rod 232, the screw rod 232 rotates along the screw hole 2121, the inner cylinder 241 is driven to rotate, centrifugal force is generated in the rotation process of the inner cylinder 241, the ejector rod 2422 and the bottom rod 2423 are enabled to rotate inwards to shrink, the scraping plates 243 are gradually far away from the outer end of the inner cylinder 241, meanwhile, the scraping plates 243 are gradually close to the inner wall of the main pipe 210 until the scraping plates 243 are attached, at the moment rotate along the inner wall of the main pipe 210 and move forwards, excessive impurities accumulated at the inner end of the main pipe 210 are avoided, and blocking phenomenon is easy to occur.

Further, a screw pipe 2111 is connected to one end of the sprinkler head 211, and the screw pipe 2111 is screw-connected to the inner end of the main pipe 210. When the cleaning device is specifically used, in the process of cleaning the inner end of the main pipe 210, the sprinkler head 211 is rotated, so that the threaded pipe 2111 rotates along the threads of the inner end of the main pipe 210 until the sprinkler head 211 is completely separated from the main pipe 210, at this time, one end of the main pipe 210 is in an open state to form a through hole, impurities generated in cleaning are discharged outwards through the through hole, and the cleaning effect is further improved.

Further, an external thread 2122 is provided on the side of the collar 212, and the collar 212 is screwed to the other end of the main pipe 210. The sleeve plate 212 and the main pipe 210 are freely installed and disassembled through the arranged external threads 2122, so that operators can conveniently and regularly open the sleeve plate 212, the cleaning assembly 240 can be regularly overhauled, the scraping plate 243 can be regularly replaced, and the using effect of the cleaning assembly 240 is improved.

Still further, the end of the bottom rod 2423 is connected with a limit spring 2425, and the other end of the limit spring 2425 is connected with the inner end of the sleeve rod 2424. In particular use, after the connection assembly 242 is subjected to centrifugal action, the bottom rod 2423 and the top rod 2422 rotate inwards to drive the scraping plate 243 to move towards the inner wall of the main pipe 210, meanwhile, the tail end of the bottom rod 2423 stretches into the inner end of the sleeve rod 2424, the bottom rod 2423 compresses the limiting spring 2425, and the excessive rotation amplitude is avoided through the shrinkage and partial centrifugal force of the limiting spring 2425, so that when the scraping plate 243 is attached to the main pipe 210, the inner wall of the main pipe 210 is damaged, the scraping plate 243 and the main pipe 210 are damaged, and the service life of the scraping plate 243 and the main pipe 210 is influenced.

Specifically, a plurality of water outlets 2411 are formed on the outer side of the inner cylinder 241, an outer pipe 245 is connected to the inner end of the water outlet 2411, an inner pipe 246 is inserted and matched to the inner end of the outer pipe 245, the inner pipe 246 is communicated with the inner end of the scraping plate 243, and a plurality of water leakage holes 2431 are formed in the top end of the scraping plate 243. When the cleaning device is specifically used, in the cleaning process, the inner cylinder 241 is filled with a certain amount of liquid, the liquid filled in the inner end of the inner cylinder 241 is thrown out from the inner end of the water leakage hole 2431 by the centrifugal force generated in the rotation process of the inner cylinder 241, the liquid is discharged into the inner end of the scraping plate 243 along the outer pipe 245 and the inner pipe 246, the liquid entering the inner end of the scraping plate 243 flows out of the outer end of the scraping plate 243 along the water leakage hole 2431, and the inner wall area of the main pipe 210 cleaned by the scraping plate 234 is washed, so that the cleaning effect of the scraping plate 243 is further improved.

In addition, a collecting head 2412 is connected to one end of the inner cylinder 241, and the collecting head 2412 is in communication with the inner end of the inner cylinder 241. When the irrigation device is specifically used, in the irrigation process, a part of liquid flows to the side surface of the inner cylinder 241 through the inner end of the main pipe 210, and at the moment, a part of irrigation liquid is introduced into the inner end of the inner cylinder 241 to be collected through the collecting head 2412, so that the liquid is supplied after the irrigation device is cleaned, the liquid at the inner end of the inner cylinder 241 is not required to be added by irrigation personnel, and the workload of the irrigation personnel is reduced.

Further, a plurality of water-stop plates 2413 are arranged at the inner end of the collecting head 2412, and the water-stop plates 2413 are in an L-shaped structure. When the device is specifically used, the inner end of the collecting head 2412 is formed into a funnel-shaped structure by the water-stop plates 2413, the cross-sectional dimension of the outer end of the collecting head 2412 is larger than that of the inner end, on one hand, the contact area of the collecting head 2412 with irrigation liquid is increased, so that more liquid can be collected by the collecting head 2412 and enter the inner end of the inner cylinder 241, on the other hand, the liquid collected by the inner cylinder 241 is limited by the water-stop plates 2413, and the later-stage overflow amount is reduced.

Still further, a plurality of cotton sheets 244 are provided on the top of the scraping plate 243. Sponge material is preferentially adopted in the sponge plate 244, the texture is soft, the water absorption is strong, and in specific use, the scraping plate 243 is driven to scrape the inner wall of the main pipe 210 in the rotation process of the sponge plate 244, meanwhile, liquid overflowed from the inner end of the water leakage hole 2431 can be used for carrying out water supplementing treatment on the inner end of the sponge plate 244 at any time, so that impurities scraped by the sponge plate 244 are washed by liquid, the impurities are prevented from being adsorbed on the surface of the sponge plate 244, and the cleaning effect of the later-stage sponge plate 244 is influenced.

In addition, a certain gap is reserved between the two cotton plates 244, and water leakage holes 2431 are arranged between the gaps. During specific use, impurities with higher adhesion degree possibly exist on the inner wall of the main pipe 210 in the scraping process, the impurities are directly scraped at the moment and are difficult to clean completely, liquid is removed in advance through the water leakage holes 2431, the impurities are softened, the adhesion degree of the impurities is reduced, and the impurities are conveniently separated from the inner wall of the main pipe 210 by scraping through the cotton plate 244 at the moment.

In addition, a plurality of pairs of limiting plates 247 are arranged at two ends of the inner cylinder 241, sleeve plates 248 are inserted and matched at the tail ends of the limiting plates 247, and the tail ends of the sleeve plates 248 are connected with the side surfaces of the scraping plates 243. When the scraper is specifically used, the positions of the two ends of the scraping plate 243 are limited by the limiting plate 247 and the sleeve plate 248, so that the scraping plate 243 is always in a parallel state, the phenomenon that the centrifugal force is too large and the heights of the two ends of the scraping plate 243 are different and the inclination phenomenon occurs, and the cleaning effect of the inner wall of the main pipe 210 is different is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Irrigation equipment for hydraulic engineering that can collect clearance fast to pipeline, including mobile device (10) and install sprinkler (20) in mobile device (10) side, its characterized in that: the mobile device (10) comprises a bottom plate (110), a plurality of rollers (111) are arranged at the bottom end of the bottom plate (110), a cover plate (120) is arranged at the top end of the bottom plate (110), a cavity is reserved between the cover plate (120) and the bottom plate (110), a water storage tank (130) is arranged between the bottom plate (110) and the cover plate (120), water pumps (140) are connected to two ends of the side face of the water storage tank (130), and the spraying device (20) at least comprises:

the spraying device comprises a main pipe (210), wherein one end of the main pipe (210) is connected with a spraying head (211), a plurality of small holes are formed in the side face of the spraying head (211), a sleeve disc (212) is arranged at the other end of the main pipe (210), and screw holes (2121) are formed in the side face of the sleeve disc (212);

the auxiliary pipes (220) are arranged in a pair, the two auxiliary pipes (220) are respectively arranged at two sides of the main pipe (210), and the auxiliary pipes (220) are communicated with the inner end of the main pipe (210);

the pushing assembly (230), the pushing assembly (230) comprises a hydraulic rod (231), a screw rod (232) is rotatably connected to the tail end of the hydraulic rod (231), and the screw rod (232) is in threaded connection with the screw hole (2121);

the cleaning device comprises a cleaning component (240), wherein the cleaning component (240) comprises an inner cylinder (241), the side surface of the inner cylinder (241) is connected with the tail end of a screw rod (232), a plurality of connecting components (242) are arranged at the top end of the inner cylinder (241), each connecting component (242) comprises a pair of jacking shafts (2421), a jacking rod (2422) is rotatably connected between the jacking shafts (2421), the tail end of each jacking rod (2422) is rotatably connected with a bottom rod (2423), the tail end of each bottom rod (2423) is sleeved with a sleeve rod (2424), bottom shafts (2426) are rotatably connected with the two sides of the bottom end of each sleeve rod (2424), each bottom shaft (2426) is fixed on the outer side of the inner cylinder (241), a plurality of scraping plates (243) are arranged on the outer side of the inner cylinder (241), and the bottom ends of the scraping plates (243) are connected with the top ends of the jacking shafts (2421).

2. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 1, wherein the irrigation device is characterized in that: one end of the sprinkler head (211) is connected with a threaded pipe (2111), and the threaded pipe (2111) is in threaded connection with the inner end of the main pipe (210).

3. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 2, wherein the irrigation device is characterized in that: an external thread (2122) is arranged on the side face of the sleeve disc (212), and the sleeve disc (212) is in threaded connection with the other end of the main pipe (210).

4. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 1, wherein the irrigation device is characterized in that: the tail end of the bottom rod (2423) is connected with a limiting spring (2425), and the other end of the limiting spring (2425) is connected with the inner end of the sleeve rod (2424).

5. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 1, wherein the irrigation device is characterized in that: a plurality of water outlets (2411) are formed in the outer side of the inner cylinder (241), an outer pipe (245) is connected to the inner end of the water outlet (2411), an inner pipe (246) is inserted and matched to the inner end of the outer pipe (245), the inner pipe (246) is communicated with the inner end of the scraping plate (243), and a plurality of water leakage holes (2431) are formed in the top end of the scraping plate (243).

6. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 5, wherein the irrigation device is characterized in that: one end of the inner cylinder (241) is connected with a collecting head (2412), and the collecting head (2412) is communicated with the inner end of the inner cylinder (241).

7. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 5, wherein the irrigation device is characterized in that: the top end of the scraping plate (243) is provided with a plurality of cotton plates (244).

8. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 7, wherein the irrigation device is characterized in that: a certain gap is reserved between the two cotton plates (244), and the water leakage holes (2431) are arranged between the gaps.

9. The irrigation device for hydraulic engineering capable of rapidly collecting and cleaning pipelines according to claim 5, wherein the irrigation device is characterized in that: the novel scraper is characterized in that a plurality of pairs of limiting plates (247) are arranged at two ends of the inner cylinder (241), sleeve plates (248) are inserted and matched at the tail ends of the limiting plates (247), and the tail ends of the sleeve plates (248) are connected with the side surfaces of the scraping plates (243).