Pipeline system inner wall dirt cleaning device and cleaning method thereof

Abstract

The invention is suitable for the technical field of pipeline dirt cleaning, and provides a pipeline system inner wall dirt cleaning device and a cleaning method thereof.The pipeline system inner wall dirt cleaning device comprises a moving assembly and a spray washing assembly, the moving assembly comprises a fixed pipe, and the spray washing assembly comprises a first spray head set and a second spray head set; the first spray head group and the second spray head group are respectively arranged at two ends of the fixed pipe, and the device solves the problems that a traditional scraper cleaning device is difficult to smoothly extend into the pipeline opening for operation when dirt is accumulated at the pipeline opening, and the trafficability is insufficient; a large amount of dirt accumulated at the opening of the circular pipeline is stripped layer by layer, the scraping plate does not need to be placed in the pipeline firstly and then scraped, the dirt removal requirement when the dirt of the circular pipeline is accumulated in different amounts is met, and the dirt on the advancing route is removed in advance before the electric wheel enters the circular pipeline. Conditions are created for the device to smoothly enter a circular pipe and follow-up comprehensive cleaning, and the functionality of the device is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline dirt cleaning, and more specifically, to a device for cleaning dirt on the inner wall of a pipeline system and a cleaning method thereof. Background Art

[0002] The generation of dirt on the inner wall of a pipeline system stems from various factors. Dirt and deposits are formed during the transportation of the medium. If these dirt and deposits are not cleaned in time, it will seriously affect the operation of the pipeline system. The dirt and deposits will reduce the inner diameter of the pipeline, increase the fluid transportation resistance, resulting in increased energy consumption and reduced transportation efficiency; when the dirt accumulates to a certain extent, it may even cause pipeline blockage, and in some cases, the pipeline needs to be replaced, causing huge economic losses. Therefore, regularly removing the dirt on the inner wall of the pipeline is a necessary measure to ensure the safe and efficient operation of the system.

[0003] The existing pipeline cleaning devices mainly have two operation methods: the first is the hose type, and the second is the wheel body walking type. Both remove the dirt on the inner wall of the pipeline by driving the nozzle to move and spray water. Among them, the hose type is only applicable to pipelines with less dirt. If there is more dirt, it is easy to be blocked and stuck; the wheel body walking type is more adaptable to pipelines with more dirt. However, when a large amount of dirt accumulates at the opening position of the pipeline, the cleaning device faces two problems: one is that it is difficult to smoothly enter the pipeline interior, and the other is that it is difficult to clean the dirt at the opening. When the wheel body moves forward, it may press or block the dirt at the opening, resulting in incomplete cleaning.

[0004] The existing pipeline inner wall cleaning device uses equally spaced separated scrapers to adjust the diameter and then extend into the pipeline for operation. However, this method still requires the scrapers to be first placed in the pipeline. When a large amount of dirt accumulates at the pipeline opening, the existing method still cannot adapt to the pipeline dirt cleaning in this state, and its passability is poor, making it difficult to meet the cleaning requirements. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a device for cleaning dirt on the inner wall of a pipeline system and a cleaning method thereof.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A device for cleaning dirt on the inner wall of a pipeline system, including a moving component and a spraying and washing component. The moving component includes a fixed pipe, and the spraying and washing component includes a first nozzle group and a second nozzle group. The first nozzle group and the second nozzle group are respectively arranged at both ends of the fixed pipe.

[0007] A driving component is installed on the outer side wall of the fixed pipe and close to the first nozzle group, and the driving component is cooperatively connected with the first nozzle group.

[0008] A cleaning component is installed at one end of the first spray head group away from the fixed pipe. The cleaning component includes an adjusting mechanism connected to the side of the first spray head group away from the fixed pipe and four matching mechanisms hinged to one side of the adjusting mechanism. The four matching mechanisms are arranged in a surrounding manner, and a scraping mechanism for cleaning dirt is connected to one side of each of the four matching mechanisms.

[0009] The present invention is further configured as follows: The moving component further includes four first hinged plates and four second hinged plates that are equidistantly and circumferentially hinged to the outer side wall of the fixed pipe. The four first hinged plates and the four second hinged plates are arranged correspondingly. A support plate is hinged between the first hinged plate and the corresponding second hinged plate. Four telescopic rods are equidistantly and circumferentially hinged to the outer side wall of the fixed pipe. The four telescopic rods correspond to the four second hinged plates. The end of the piston rod of the telescopic rod is hinged to the middle of the corresponding second hinged plate. An electric wheel is installed on the side wall of each support plate.

[0010] The present invention is further configured as follows: The first spray head group includes a first circular water tank arranged at one end of the fixed pipe. A plurality of first nozzles are circumferentially connected to the outer side wall of the first circular water tank. The first nozzles are cooperatively connected to the driving component. The second spray head group includes a second circular water tank arranged at the other end of the fixed pipe. A conical part is provided on one side of the second circular water tank. A plurality of second nozzles are communicated with the side wall of the conical part.

[0011] The present invention is further configured as follows: A water injection pipe is communicated with the side of the first circular water tank close to the fixed pipe. One end of the water injection pipe is rotatably connected to a sleeve. The side of the sleeve away from the second circular water tank is communicated with a liquid supply pipe. The liquid supply pipe penetrates through the inside of the fixed pipe and is connected to the fixed pipe.

[0012] The present invention is further configured as follows: The driving component includes a driving motor installed on the outer side wall of the fixed pipe and a driving gear connected to the output end of the driving motor. A driven gear is sleeved and connected to the outer side wall of the water injection pipe. The driven gear meshes with the driving gear.

[0013] By adopting the above technical solutions, the driving component drives the first spray head group to rotate. Furthermore, while the first spray head group sprays and washes the dirt on the inner wall of the pipeline, the moving component drives the spraying and washing component to move synchronously, so that the cleaning liquid can spiral impact the dirt through high-pressure water flow. The water flow acts on the pipe wall in the tangential direction, stripping the dirt body while offsetting the axial thrust, preventing the dirt from moving and accumulating deep into the pipeline. When the second spray head group moves to the position of the washed-off dirt, the nozzles are inclined to impact in the direction of the pipeline opening, forming a directional water flow barrier to push the stripped dirt out of the pipeline to realize the flow direction of the dirt and the cleaning liquid.

[0014] The present invention is further configured as follows: the adjusting mechanism includes a cross on one side of the first circular water tank, two groups of swing plates are hinged on each of the four extending arms of the cross, a connecting frame is arranged in the middle of one side of the cross, an adjusting cylinder is installed on the connecting frame, the piston rod of the adjusting cylinder is connected to the side wall of the cross, four auxiliary plates are equidistantly hinged on the outer wall of the connecting frame, and the four auxiliary plates are respectively hinged to the middle of one group of swing plates on the four extending arms of the cross. The two groups of swing plates on the four extending arms of the cross are taken as a group, and the four matching mechanisms are respectively hinged to the corresponding two groups of swing plates. An active scraper is arranged on the side of the matching mechanism away from the corresponding swing plate.

[0015] The present invention is further configured as follows: the active scraper is trapezoidally arranged, the longer side of the active scraper is close to the adjusting cylinder, and scraping edges are provided on the sides of the four active scrapers away from the adjusting cylinder.

[0016] By adopting the above technical solution, four groups of active scrapers in a trapezoidal shape are provided to layer-by-layer peel off the situation of a large amount of dirt accumulation at the opening of the circular pipeline. It is not necessary to first place the scraper in the pipeline and then scrape, which meets the decontamination requirements for different accumulation amounts of dirt in the circular pipeline, pre-clears the dirt on the traveling route before the electric wheel enters the circular pipeline, creates conditions for the device to smoothly enter the circular pipe and subsequent comprehensive cleaning, and greatly improves the functionality of the device.

[0017] The present invention is further configured as follows: each of the four matching mechanisms includes a plate body hinged to the corresponding two groups of swing plates. A through groove is provided on one side of the plate body, a slider is slidably connected inside the through groove, a guiding hole is provided on the inner wall of the through groove and close to the adjusting cylinder, a guiding tube is inserted into the guiding hole, a spring is sleeved on the outer side wall of the guiding tube, the bottom end of the spring is attached to the inner bottom wall of the through groove, one end of the guiding tube penetrates through the corresponding slider and is provided with a limiting hole, a connecting rod is arranged inside the guiding tube, a clamping block is connected to one end of the connecting rod, and a plurality of clamping grooves are provided on the inner side wall of the through groove. The clamping block penetrates through the limiting hole and is adapted to the clamping groove.

[0018] A cavity is provided on the side of the plate body close to the adjusting cylinder. The guiding tube extends into the corresponding cavity and is connected to a pipe clamp. An adjusting cylinder is installed on one side of the pipe clamp, the piston rod of the adjusting cylinder is connected to the corresponding connecting rod, a multi-stage telescopic rod is installed on the inner wall of the plate body, and the piston rod of the multi-stage telescopic rod is connected to the pipe clamp through an electric clamp.

[0019] The present invention is further configured such that: each of the four sets of scraping mechanisms includes an auxiliary scraper in a trapezoidal shape. A placement groove is formed inside the auxiliary scraper. The corresponding active scraper is inserted into the corresponding placement groove. An installation groove is formed on the side wall of the corresponding active scraper. A scraping cylinder is installed between the inner wall of the installation groove and the inner wall of the placement groove. Wedge-shaped portions are formed on the side of the active scraper away from the corresponding slider. A guiding inclined surface is provided on the side of the auxiliary scraper away from the auxiliary plate, and the guiding inclined surface is adapted to the wedge-shaped portion.

[0020] By adopting the above technical solution, when cleaning a square pipeline, the rotation speed of the dirt cleaning component slows down. First, the dirt at the pipeline opening is gradually peeled off and advanced layer by layer. By adjusting the cylinder to push the connecting rod, the clamping block is disengaged from the clamping groove, the electric clamp releases the pipe clamp, and the restriction on the slider is released. When the active scraper moves, due to the different distances from the side wall of the square pipeline to the center point of the diagonal, the slider moves on the through groove to squeeze or release the spring, so that the active scraper always fits the inner wall of the pipeline, ensuring the thoroughness of cleaning.

[0021] When cleaning a circular pipeline, the adjusting cylinder pushes the connecting rod to move, thereby adjusting the positions of the connecting rod and the clamping block, that is, the clamping block can be retracted into the connecting rod or extended from the limiting hole. When the clamping block extends from the limiting hole, the clamping block can be inserted into the clamping groove. In this state, the locking of the positions of the slider and the active scraper can be achieved, and the electric clamp clamps and locks the pipe clamp. After the position of the active scraper is locked, the dirt on the inner wall of the circular pipeline can be scraped by the circumferential displacement of the active scraper.

[0022] When the active scraper scrapes the dirt on the inner wall of the square pipeline, the scraping speed slows down. At this time, the scraping cylinder drives the auxiliary scraper to slide synchronously outside the active scraper, so that while the active scraper completes the basic scraping, the stubborn dirt adhered to the traveling route is secondarily scraped by the movement of the auxiliary scraper. Through the cooperative operation of the double scrapers, the thoroughness of cleaning the dirt on the inner wall of the pipeline is effectively improved.

[0023] A method for cleaning the dirt on the inner wall of a pipeline system, using the device for cleaning the dirt on the inner wall of a pipeline system as described above, includes the following steps: S1. Place the device at the pipeline opening position, and then control the overall rotation of the first nozzle group and the dirt cleaning component through the driving component, and the dirt cleaning component adjusts and controls the diameter to adapt to different pipeline cleaning.

[0024] S2. When cleaning a circular pipeline, the dirt cleaning component gradually peels off and advances the dirt at the pipeline opening. During the advancement process, the first nozzle group rotates self - and sprays the cleaning liquid on the inner wall of the pipeline to wash off the dirt adhered to the inner wall of the pipeline. When the moving component moves to the position of the inner wall of the pipeline, the moving component controls the opening diameter and fits with the inner wall of the pipeline. In this state, the moving component can drive the entire cleaning device to advance in the pipeline, and the dirt falls to the bottom of the inner wall of the pipeline and accumulates.

[0025] S3. When cleaning a square pipeline, the dirt removal component gradually peels off and advances the dirt at the opening of the pipeline. During the advancement process, the adaptation mechanism is used to control the positions of the adjustment mechanism and the scraping mechanism, so that the dirt removal component not only synchronously adjusts its diameter, but also can adaptively adjust its position according to the different distances between the dirt removal component and the inner wall of the square pipeline. At the same time, the first spray head group rotates and sprays the cleaning liquid on the inner wall of the pipeline to wash off the dirt adhered to the inner wall of the pipeline. When the moving component moves to the position of the inner wall of the pipeline, the moving component controls to expand its diameter and fit with the inner wall of the pipeline. In this state, the moving component can drive the whole cleaning device to advance in the pipeline, and the dirt falls to the bottom of the inner wall of the pipeline and accumulates.

[0026] S4. As the moving component gradually advances, the second spray head group enters the pipeline interior, and the second spray head group sprays the cleaning liquid obliquely towards the opening position of the pipeline, causing the accumulated dirt to be reversely impacted and pushed in the advancing direction of the moving component. After the cleaning is completed, the moving component withdraws in the reverse direction, and the second spray head group then uses the impact of the cleaning liquid to push the accumulated dirt out of the pipeline.

[0027] In summary, the present application includes at least one of the following beneficial technical effects: (1) By setting four groups of active scrapers arranged in a trapezoidal shape, layer-by-layer peeling is carried out for the situation where a large amount of dirt accumulates at the opening of a circular pipeline. There is no need to first place the scraper in the pipeline and then scrape, meeting the dirt removal requirements for different accumulation amounts of dirt in the circular pipeline, pre-clearing the dirt on the advancing route before the electric wheel enters the circular pipeline, creating conditions for the device to smoothly enter the circular pipe and subsequent comprehensive cleaning, and greatly improving the functionality of the device.

[0028] (2) When cleaning a square pipeline, the rotation speed of the dirt removal component slows down. First, the dirt at the opening of the pipeline is gradually peeled off and advanced. By adjusting the air cylinder to push the connecting rod, the clamping block is disengaged from the clamping groove, the electric clamp releases the pipe clamp, and the restriction on the slider is removed. When the active scraper moves, due to the different distances between the side wall of the square pipeline and the center point from the diagonal, the slider is driven to move on the through groove to squeeze or release the spring, so that the active scraper always fits the inner wall of the pipeline, ensuring the thoroughness of cleaning.

[0029] (3) When cleaning a circular pipeline, adjusting the air cylinder to push the connecting rod to move, and then adjusting the positions of the connecting rod and the clamping block, that is, the clamping block can be retracted into the interior of the connecting rod or extended from the limiting hole. When the clamping block extends from the interior of the limiting hole, the clamping block can be inserted into the interior of the clamping groove. In this state, the locking of the positions of the slider and the active scraper can be achieved, and the electric clamp clamps and locks the pipe clamp. After the position of the active scraper is locked, the dirt on the inner wall of the circular pipeline can be scraped off by the circumferential displacement of the active scraper.

[0030] (4) By setting up a scraping mechanism, when the active scraper scrapes the dirt on the inner wall of the square pipeline, the scraping speed slows down. At this time, the scraping cylinder drives the auxiliary scraper to slide synchronously outside the active scraper, so that while the active scraper completes the basic scraping, the stubborn dirt adhered to the traveling route is secondarily scraped by the movement of the auxiliary scraper. Through the collaborative operation of the double scrapers, the thoroughness of cleaning the dirt on the inner wall of the pipeline is effectively improved. Description of the Drawings

[0031] Figure 1 It is a schematic diagram of the overall structure of the device for cleaning dirt on the inner wall of the pipeline system of the present invention.

[0032] Figure 2 It is a schematic diagram of the cooperative structure of the fixed pipe, the spray cleaning assembly and the drive assembly in the present invention.

[0033] Figure 3 It is a schematic diagram of the partial connection structure of the spray cleaning assembly and the dirt cleaning assembly in the present invention.

[0034] Figure 4 It is a schematic diagram of the dirt cleaning assembly structure in the present invention.

[0035] Figure 5 is Figure 4 the side view structure diagram of

[0036] Figure 6 It is a schematic diagram of the cooperative structure of the adjusting mechanism, the adapting mechanism and the scraping mechanism in the present invention.

[0037] Figure 7 It is a schematic diagram of the explosion structure of the scraping mechanism in the present invention.

[0038] Figure 8 It is a schematic diagram of the explosion structure of the plate body and the guide pipe in the present invention.

[0039] Figure 9 It is a schematic diagram of the cooperative structure of the multi-stage telescopic rod, the pipe clamp, the guide pipe and the slider in the present invention.

[0040] Figure 10 It is a schematic diagram of the explosion structure of the guide pipe and the connecting rod in the present invention.

[0041] Description of the reference numerals: 1. Moving assembly; 11. Fixed pipe; 12. First hinge plate; 13. Support plate; 14. Electric wheel; 15. Telescopic rod; 16. Second hinge plate; 2. Spray cleaning assembly; 21. First nozzle group; 211. First circular water tank; 212. First nozzle; 22. Second nozzle group; 221. Second circular water tank; 222. Conical part; 223. Second nozzle; 23. Liquid supply pipe; 24. Sleeve; 3. Driving component; 31. Driving motor; 32. Driving gear; 33. Driven gear; 4. Dirt cleaning component; 41. Adjusting mechanism; 411. Cross; 412. Swing plate; 413. Adjusting cylinder; 414. Connecting frame; 415. Auxiliary plate; 416. Active scraper; 42. Adaptation mechanism; 421. Plate body; 422. Through groove; 423. Guide tube; 424. Spring; 425. Slide block; 426. Guide hole; 427. Card slot; 428. Pipe clamp; 429. Multi-stage telescopic rod; 4201. Adjusting cylinder; 4202. Block; 4203. Connecting rod; 4204. Limit hole; 43. Shoveling mechanism; 431. Auxiliary scraper; 432. Placing groove; 433. Installation groove; 434. Shoveling cylinder; 435. Wedge part. Detailed implementation mode

[0042] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0043] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0044] Please refer to Figures 1-10 , the present invention provides the following technical solutions: In the first embodiment, refer to Figure 1 , a device for cleaning dirt on the inner wall of a pipeline system, including a moving component 1 and a spraying and washing component 2. The moving component 1 includes a fixed pipe 11. The moving component 1 further includes four groups of first hinged plates 12 and four groups of second hinged plates 16 that are equidistantly and circumferentially hinged to the outer side wall of the fixed pipe 11. The four groups of first hinged plates 12 and the four groups of second hinged plates 16 are arranged correspondingly. A support plate 13 is hinged between the first hinged plate 12 and the corresponding second hinged plate 16. Four groups of telescopic rods 15 are equidistantly and circumferentially hinged to the outer side wall of the fixed pipe 11. The four telescopic rods 15 are correspondingly arranged with the four groups of second hinged plates 16. The end of the piston rod of the telescopic rod 15 is hinged to the middle of the corresponding second hinged plate 16. An electric wheel 14 is installed on the side wall of each support plate 13. The telescopic rod 15 is used to push the corresponding second hinged plate 16 to swing. When the second hinged plate 16 swings, it pulls the corresponding support plate 13 to displace. Since the support plate 13 is also hinged through the corresponding first hinged plate 12, the support plate 13 maintains a relative horizontal state with the fixed pipe 11 when being pulled, and at the same time adjusts the distance between the support plate 13 and the fixed pipe 11. The electric wheel 14 on the support plate 13 is used to fit with the inner wall of the pipeline, and by rotating the electric wheel 14, the whole moving component 1 can be driven to displace and walk, which is convenient for the spraying and washing component 2 to clean the dirt on the inner wall of the pipeline.

[0045] When the distance between the support plate 13 and the fixed pipe 11 changes, the position of the electric wheel 14 can be adjusted synchronously, thereby facilitating the movement assembly 1 to adapt to pipes with different diameters.

[0046] Refer to Figure 1 , the specific structure of the spraying and washing assembly 2 is as follows: Refer to Figures 1-3 , the spraying and washing assembly 2 includes a first nozzle group 21 and a second nozzle group 22. The first nozzle group 21 and the second nozzle group 22 are respectively arranged at both ends of the fixed pipe 11. The first nozzle group 21 and the second nozzle group 22 are respectively used for spraying and washing the dirt on the inner wall of the pipe. The first nozzle group 21 includes a first circular water tank 211 arranged at one end of the fixed pipe 11. A plurality of first nozzles 212 are connected around the outer side wall of the first circular water tank 211. The first circular water tank 211 is used for storing the cleaning liquid, and the dirt on the inner wall of the pipe is sprayed and washed through the plurality of first nozzles 212 arranged around. And the spraying angle of the first nozzles 212 is perpendicular to the inner wall of the pipe. Therefore, the cleaning liquid sprayed by the first nozzles 212 can wash off the dirt on the inner wall of the pipe. The washed-off dirt falls to the bottom of the inner wall of the pipe and accumulates, and the dirt does not move towards the inside of the pipe.

[0047] Refer to Figure 2 and Figure 3 , the second nozzle group 22 includes a second circular water tank 221 arranged at the other end of the fixed pipe 11. A conical part 222 is opened on one side of the second circular water tank 221. A plurality of second nozzles 223 are communicated with the side wall of the conical part 222. The second circular water tank 221 is used for storing the cleaning liquid, and the second nozzles 223 are installed on the inclined surface of the side wall of the conical part 222. Therefore, the second nozzles 223 are arranged obliquely and have a spraying angle with the inner wall of the pipe. The cleaning liquid sprays out from the second nozzles 223 and flushes the dirt on the inner wall of the pipe at an inclined angle.

[0048] The dirt first washed off by the first nozzles 212 on the inner wall of the pipe falls to the bottom of the inner wall of the pipe, and then is obliquely washed by the second nozzles 223, causing the dirt to be washed towards the opening direction of the pipe and pushing the peeled-off dirt towards the outside of the pipe.

[0049] A water injection pipe is communicated with the side of the first circular water tank 211 close to the fixed pipe 11. One end of the water injection pipe is rotatably connected with a sleeve 24. The side of the sleeve 24 far from the second circular water tank 221 is communicated with a liquid supply pipe 23. The liquid supply pipe 23 penetrates through the inside of the fixed pipe 11 and is connected with the fixed pipe 11. The external cleaning liquid is supplied through the liquid supply pipe 23 and the sleeve 24, and is respectively supplied into the first circular water tank 211 and the second circular water tank 221, thereby supplying the cleaning liquid into the first circular water tank 211 and the second circular water tank 221.

[0050] Refer toFigures 1-3 , a driving assembly 3 is installed on the outer side wall of the fixed pipe 11 and close to the first spray head group 21. The first nozzle 212 is cooperatively connected with the driving assembly 3. The driving assembly 3 is used to drive the first spray head group 21 to rotate. Furthermore, while the first spray head group 21 sprays and washes the dirt on the inner wall of the pipeline, the moving assembly 1 drives the washing assembly 2 to move synchronously, so that the cleaning liquid can impact the dirt by high-pressure water flow in a spiral manner. The water flow acts on the pipe wall in the tangential direction, stripping the dirt body while offsetting the axial thrust, and preventing the dirt from moving and accumulating deep into the pipeline.

[0051] Refer to Figures 1-3 , the specific structure of the driving assembly 3 is as follows: The driving assembly 3 includes a driving motor 31 installed on the outer side wall of the fixed pipe 11 and a driving gear 32 connected to the output end of the driving motor 31. A driven gear 33 is sleeved and connected to the outer side wall of the water injection pipe. The driven gear 33 meshes with the driving gear 32. The driving motor 31 is used to drive the driving gear 32 to rotate, so that the driving gear 32 drives the driven gear 33, the water injection pipe, and the first circular water tank 211 to rotate. The first circular water tank 211 drives a plurality of first nozzles 212 to rotate around. Furthermore, the purpose of the cleaning liquid impacting the dirt by high-pressure water flow in a spiral manner is achieved. The water flow acts on the pipe wall in the tangential direction, stripping the dirt body while offsetting the axial thrust, and preventing the dirt from moving and accumulating deep into the pipeline. As the moving assembly 1 continues to move forward, the first spray head group 21 continues to move forward to spray and wash the dirt, and the washed-away dirt falls to the bottom of the inner wall of the pipeline and accumulates. When the second spray head group 22 moves to the position of the washed-away dirt, the nozzles are inclined and impact in the direction of the pipeline opening, forming a directional water flow barrier to push the stripped dirt out of the pipeline to realize the flow direction of the dirt and the cleaning liquid.

[0052] Refer to Figure 1 , a dirt cleaning assembly 4 is installed at one end of the first spray head group 21 away from the fixed pipe 11. The dirt cleaning assembly 4 is used to scrape the dirt accumulated on the inner wall of the pipeline. The specific structure of the dirt cleaning assembly 4 is as follows: The dirt cleaning assembly 4 includes an adjusting mechanism 41 connected to the side of the first spray head group 21 away from the fixed pipe 11. The adjusting mechanism 41 is used to scrape the dirt on the inner wall of the pipe. The adjusting mechanism 41 includes a cross 411 connected to one side of the first circular water tank 211. Two groups of swing plates 412 are hinged on each of the four extension arms of the cross 411. A connecting frame 414 is arranged in the middle of one side of the cross 411. An adjusting cylinder 413 is installed on the connecting frame 414. The piston rod of the adjusting cylinder 413 is connected to the side wall of the cross 411. Four auxiliary plates 415 are equidistantly hinged on the outer wall of the connecting frame 414. The four auxiliary plates 415 are respectively hinged to the middle of one group of swing plates 412 on the four extension arms of the cross 411. The two groups of swing plates 412 on the four extension arms of the cross 411 are taken as a group. Four active scrapers 416 are arranged on the side of the swing plate 412 away from the cross 411.

[0053] The adjusting cylinder 413 is used to adjust the distance between the connecting frame 414 and the cross 411. When the connecting frame 414 approaches the cross 411, the connecting frame 414 pulls the auxiliary plate 415 to swing, causing the two swing plates 412 on the same extension arm of the cross 411 to swing towards the middle of the connecting frame 414. The swing plate 412 pulls the corresponding adaptation mechanism 42 and the active scraper 416 to approach each other synchronously. On the contrary, when the piston rod of the adjusting cylinder 413 extends, the distance between the connecting frame 414 and the cross 411 increases, and the active scrapers 416 are separated synchronously, thereby adjusting the front-end diameter of the dirt cleaning assembly 4 to adapt to the cleaning of pipes with different diameters.

[0054] And when the dirt cleaning assembly 4 extends to the inner wall of the pipe, the active scraper 416 is used to contact the inner wall of the pipe. At the same time, the driving assembly 3 drives the first spray head group 21 to rotate, and the first circular water tank 211 drives the whole dirt cleaning assembly 4 to rotate. The four active scrapers 416 then scrape along the inner wall of the pipe synchronously, so as to realize the scraping of dirt. After the dirt is scraped off, the remaining dirt is rinsed once by the first spray head group 21, causing the dirt to fall to the bottom of the inner wall of the pipe and accumulate. Then the moving assembly 1 advances forward, and the second spray head group 22 exerts an impact force on the accumulated dirt in the direction of the pipe opening, so that the dirt moves towards the pipe opening position. When the moving assembly 1 retracts in the reverse direction, the second spray head group 22 pushes the dirt out of the pipe interior.

[0055] Embodiment 2: The existing pipe inner wall cleaning device uses equally spaced separated scrapers to adjust the diameter and then extends into the pipe for operation. However, this method still requires the scrapers to be first placed in the pipe, and a large amount of dirt accumulates at the pipe opening. The existing method still cannot adapt to the cleaning of pipe dirt in this state, has poor passability, and is difficult to meet the cleaning requirements.

[0056] For this reason, the active scraper 416 is trapezoidally arranged, with the longer side of the active scraper 416 close to the adjusting cylinder 413, and scraping edges are provided on the sides of the four active scrapers 416 away from the adjusting cylinder 413. When the four active scrapers 416 approach each other, a conical scraping blade group is formed.

[0057] When a large amount of dirt accumulates at the opening position of the circular pipe, the scraping blade group formed by the four active scrapers 416 first contacts the dirt at the opening position of the circular pipe by reducing the diameter, and then the driving assembly 3 drives the whole dirt cleaning assembly 4 to rotate, causing the four active scrapers 416 to cooperate to drill the dirt at the opening position of the circular pipe, so that the dirt at the opening of the circular pipe is peeled off layer by layer. At the same time, the moving assembly 1 drives the dirt cleaning assembly 4 to advance into the circular pipe. During the advancing process, the first spray head group 21 rotates self - sufficiently, and the cleaning liquid is sprayed on the inner wall of the circular pipe through the first circular water tank 211 to wash off the dirt adhered to the inner wall of the circular pipe. When the dirt cleaning assembly 4 completely enters the circular pipe, the four active scrapers 416 separate from each other and fit against the inner wall of the circular pipe. At this time, the whole dirt cleaning assembly 4 rotates rapidly to clean the dirt on the inner wall of the circular pipe. When the moving assembly 1 moves to the position of the pipe inner wall, the moving assembly 1 controls to expand the diameter and fit against the pipe inner wall. In this state, the moving assembly 1 can drive the whole cleaning device to continue to advance in the pipe, and at the same time, the dirt on the dirt cleaning assembly 4 falls to the bottom of the pipe inner wall and accumulates.

[0058] By setting four groups of active scrapers 416 arranged in a trapezoidal shape, layer - by - layer peeling is carried out for the situation where a large amount of dirt accumulates at the opening of the circular pipe. There is no need to first place the scraper in the pipe and then scrape, meeting the decontamination requirements for different accumulation amounts of dirt in the circular pipe, pre - clearing the dirt on the traveling route before the electric wheel 14 enters the circular pipe, creating conditions for the device to smoothly enter the circular pipe and subsequent comprehensive cleaning, and greatly improving the functionality of the device.

[0059] Embodiment 3: The conventional rotary scraping and cleaning method is only applicable to circular pipes, and there are obvious limitations in adaptability when facing square pipes. In the cleaning scenario of square pipes, this method will have problems of incomplete cleaning for dead - angle positions and stubborn stains with strong adhesion.

[0060] For this reason, four groups of adaptation mechanisms 42 are hinged on one side of the adjustment mechanism 41. The four groups of adaptation mechanisms 42 are arranged in a surrounding manner. The four groups of adaptation mechanisms 42 are respectively hinged to the corresponding two swing plates 412. The active scraper 416 is installed on the side of the adaptation mechanism 42 away from the corresponding swing plate 412. The adaptation mechanism 42 is used to adjust the active scraper 416, so that the distances between the four active scrapers 416 relative to the center line of the cross 411 are different, so as to ensure that the active scrapers 416 keep in contact with the side wall and diagonal positions of the square pipe during the surrounding displacement, thereby achieving the purpose of thorough cleaning.

[0061] The specific structure of the adaptation mechanism 42 is as follows: Each of the four groups of adaptation mechanisms 42 includes a plate body 421 hinged to the corresponding two groups of swing plates 412. A through groove 422 is formed on one side of the plate body 421. A slider 425 is slidably connected inside the through groove 422. A guide hole 426 is formed on the inner wall of the through groove 422 and near the adjusting cylinder 413. A guide tube 423 is inserted into the guide hole 426. A spring 424 is sleeved on the outer side wall of the guide tube 423. The bottom end of the spring 424 is in contact with the inner bottom wall of the through groove 422. The slider 425 can slide inside the corresponding through groove 422 and on the outer side wall of the corresponding guide tube 423, so as to adjust the position of the active scraper 416. One end of the guide tube 423 penetrates through the corresponding slider 425 and is provided with a limit hole 4204. A connecting rod 4203 is arranged inside the guide tube 423. One end of the connecting rod 4203 is connected with a clamping block 4202. A plurality of clamping grooves 427 are formed on the inner side wall of the through groove 422. The clamping block 4202 penetrates through the inside of the limit hole 4204 and is adapted to the clamping groove 427. The guide tube 423 can slide inside the corresponding guide hole 426. When the guide tube 423 moves downward, the guide tube 423 drives the connecting rod 4203, the clamping block 4202 and the slider 425 to move downward, so as to adjust the position of the active scraper 416.

[0062] A cavity is formed on the side of the plate body 421 close to the adjusting cylinder 413. The guide tube 423 extends into the corresponding cavity and is connected with a pipe clamp 428. An adjusting cylinder 4201 is installed on one side of the pipe clamp 428. The piston rod of the adjusting cylinder 4201 is connected with the corresponding connecting rod 4203. A multi-stage telescopic rod 429 is installed on the inner wall of the plate body 421. The piston rod of the multi-stage telescopic rod 429 is connected with the pipe clamp 428 through an electric fixture. The adjusting cylinder 4201 is used to push the connecting rod 4203 to move, so as to adjust the positions of the connecting rod 4203 and the clamping block 4202, that is, the clamping block 4202 can retract into the inside of the connecting rod 4203 or extend out of the limit hole 4204. When the clamping block 4202 extends out of the inside of the limit hole 4204, the clamping block 4202 can be inserted into the inside of the clamping groove 427. In this state, the positions of the slider 425 and the active scraper 416 can be locked. The electric fixture clamps and locks the pipe clamp 428. After the position of the active scraper 416 is locked, the dirt on the inner wall of the circular pipeline can be scraped by the circumferential displacement of the active scraper 416.

[0063] When cleaning a square pipe, the rotation speed of the cleaning component 4 is slowed down, and the cleaning component 4 first peels off the dirt at the pipe opening layer by layer. At the same time, the adjusting cylinder 4201 is used to push the connecting rod 4203 to move, so that the block 4202 is moved out from the inside of the slot 427, and the electric clamp releases the clamping of the pipe clamp 428. At this time, the restriction on the slider 425 is released, so that the slider 425 is in a free state on the corresponding through slot 422.

[0064] When the active scraper 416 moves along the inner wall of the square pipe, since the distances between the side wall and the diagonal position of the directional pipe and the center point are different, when the active scraper 416 gradually moves to the side wall position of the directional pipe, the active scraper 416 drives the slider 425 to move on the corresponding through groove 422 and gradually squeezes the spring 424. When the active scraper 416 gradually moves to the diagonal position of the directional pipe, the active scraper 416 drives the slider 425 to move on the corresponding through groove 422 and gradually releases the spring 424. This arrangement causes the active scraper 416 to maintain a fit with the inner wall of the square pipe, thereby ensuring thorough cleaning.

[0065] At the same time, the first nozzle group 21 rotates and sprays the cleaning liquid on the inner wall of the pipe to wash away the dirt stuck to the inner wall of the pipe. When the moving component 1 moves to the position of the inner wall of the pipe, the moving component 1 controls the opening diameter and fits with the inner wall of the pipe. In this state, the moving component 1 can drive the cleaning device as a whole to advance in the pipe, and the dirt falls to the bottom of the inner wall of the pipe and accumulates.

[0066] See also Figure 6 and Figure 7 One side of the four sets of adapting mechanisms 42 is connected to a scraping mechanism 43 for cleaning dirt. The four sets of scraping mechanisms 43 include an auxiliary scraper 431 arranged in a trapezoidal shape. A placement groove 432 is provided inside the auxiliary scraper 431. The corresponding active scraper 416 is inserted into the corresponding placement groove 432. A mounting groove 433 is provided on the side wall of the corresponding active scraper 416. A scraping cylinder 434 is installed between the mounting groove 433 and the inner wall of the placement groove 432. A wedge-shaped portion 435 is provided on the side of the active scraper 416 away from the corresponding slider 425. A guiding slope is provided on the side of the auxiliary scraper 431 away from the auxiliary plate 415, and the guiding slope is adapted to the wedge-shaped portion 435.

[0067] During the process of the active scraper 416 scraping dirt off the inner wall of the square pipe, the scraping speed of the active scraper 416 is slowed down, and the auxiliary scraper 431 is driven to slide on the outside of the active scraper 416 through the scraping cylinder 434, so that the active scraper 416 completes the basic cleaning and scraping of dirt while the auxiliary scraper 431 is moved to scrape off the stubborn dirt stuck on the travel path of the active scraper 416, thereby further improving the thoroughness of the cleaning effect.

[0068] Example 4, a method for cleaning dirt on the inner wall of a pipeline system, using the device for cleaning dirt on the inner wall of a pipeline system as described above, including the following steps: S1. Place the device at the opening of the pipeline, and then control the overall rotation of the first nozzle group 21 and the dirt cleaning component 4 through the driving component 3. The diameter of the dirt cleaning component 4 is adjusted and controlled to adapt to different pipeline cleaning.

[0069] The more specific steps of S1 are as follows: S11. Place the device at the opening of the pipeline, and then start the driving motor 31. The driving motor 31 drives the driving gear 32 to rotate, causing the driving gear 32 to drive the driven gear 33, the water injection pipe, and the first circular water tank 211 to rotate. The first circular water tank 211 drives a plurality of first nozzles 212 to rotate around. At this time, the liquid supply pipe 23 supplies the cleaning liquid into the sleeve 24, the water injection pipe, and the first circular water tank 211 for standby.

[0070] S12. When the first circular water tank 211 rotates, it drives the overall rotation of the dirt cleaning component 4. At this time, the piston rod of the adjusting cylinder 413 contracts, and the connecting frame 414 approaches the direction of the cross 411. The connecting frame 414 pulls the auxiliary plate 415 to swing, causing both swing plates 412 on the same extension arm of the cross 411 to swing towards the middle of the connecting frame 414. The swing plates 412 pull the corresponding adaptation mechanisms 42 and the active scraping plates 416 to approach each other synchronously, thereby adjusting the diameter of the front end of the dirt cleaning component 4 to adapt to different pipeline cleaning.

[0071] S2. When cleaning a circular pipeline, the dirt cleaning component 4 gradually peels off and advances the dirt at the opening of the pipeline. During the advancement process, the first nozzle group 21 rotates itself and sprays the cleaning liquid on the inner wall of the pipeline, washing off the dirt adhered to the inner wall of the pipeline. When the moving component 1 moves to the position of the inner wall of the pipeline, the moving component 1 controls the opening diameter and fits with the inner wall of the pipeline. In this state, the moving component 1 can drive the entire cleaning device to advance in the pipeline, and the dirt falls to the bottom of the inner wall of the pipeline and accumulates.

[0072] The more specific steps of S2 are as follows: S21. When cleaning a circular pipeline, the dirt cleaning component 4 first contacts the dirt at the opening of the circular pipeline by reducing the diameter, and then drives the overall rotation of the dirt cleaning component 4 through the driving component 3, causing the four active scraping plates 416 to cooperate to drill the dirt at the opening of the circular pipeline, causing the dirt at the opening of the circular pipeline to be gradually peeled off. At the same time, the moving component 1 drives the dirt cleaning component 4 to advance into the circular pipeline.

[0073] S22. During the advancement process, the first nozzle group 21 rotates on its own axis, and the cleaning liquid is sprayed onto the inner wall of the circular pipe through the first circular water tank 211, washing away the dirt adhering to the inner wall of the circular pipe. When the cleaning component 4 completely enters the inside of the circular pipe, the four active scraping plates 416 separate from each other and fit against the inner wall of the circular pipe. At this time, the entire cleaning component 4 rotates rapidly to clean the dirt on the inner wall of the circular pipe.

[0074] S23. When the moving component 1 moves to the position of the inner wall of the pipe, the moving component 1 controls the opening diameter and fits against the inner wall of the pipe. In this state, the moving component 1 can drive the entire cleaning device to continue advancing in the pipe. At the same time, the dirt on the cleaning component 4 falls to the bottom of the inner wall of the pipe and accumulates.

[0075] S3. When cleaning a square pipe, the cleaning component 4 peels off the dirt at the opening of the pipe layer by layer and advances. During the advancement process, the adaptation mechanism 42 is used to control the positions of the adjustment mechanism 41 and the scraping mechanism 43, so that the cleaning component 4 not only synchronously adjusts the diameter, but also can adaptively adjust the position according to the different distances between the cleaning component 4 and the inner wall of the square pipe. At the same time, the first nozzle group 21 rotates on its own axis and sprays the cleaning liquid onto the inner wall of the pipe, washing away the dirt adhering to the inner wall of the pipe. When the moving component 1 moves to the position of the inner wall of the pipe, the moving component 1 controls the opening diameter and fits against the inner wall of the pipe. In this state, the moving component 1 can drive the entire cleaning device to advance in the pipe, and the dirt falls to the bottom of the inner wall of the pipe and accumulates.

[0076] The more specific steps of S3 are as follows: S31. When cleaning a square pipe, the rotation speed of the cleaning component 4 slows down, and the cleaning component 4 first peels off the dirt at the opening of the pipe layer by layer and advances. During the advancement process, the scraping cylinder 434 drives the auxiliary scraping plate 431 to slide outside the active scraping plate 416, so that while the active scraping plate 416 completes the basic cleaning and scraping of the dirt, the auxiliary scraping plate 431 moves to scrape off the stubborn dirt adhering to the traveling route of the active scraping plate 416.

[0077] S32. At the same time, the adjustment cylinder 4201 is used to push the connecting rod 4203 to move, so that the clamping block 4202 moves out of the inside of the clamping groove 427, and the electric clamp releases the clamping of the pipe clamp 428. At this time, the restriction on the slider 425 is released, so that the slider 425 is in a free state on the corresponding through groove 422.

[0078] S33. When the active scraper 416 moves along the inner wall of the square pipeline, since the distances between the side walls and the diagonal positions of the direction pipeline and the center point are different, when the active scraper 416 gradually moves to the side wall position of the direction pipeline, the active scraper 416 drives the slider 425 to move on the corresponding through groove 422 and gradually squeezes the spring 424. When the active scraper 416 gradually moves to the diagonal position of the direction pipeline, the active scraper 416 drives the slider 425 to move on the corresponding through groove 422 and gradually releases the spring 424. This setting causes the active scraper 416 to maintain a fitting state with the inner wall of the square pipeline, and the cooperation between the active scraper 416 and the corresponding auxiliary scraper 431 ensures that the dirt is completely cleaned. At the same time, the first nozzle group 21 rotates and sprays the cleaning liquid on the inner wall of the pipeline, flushing off the dirt adhered to the inner wall of the pipeline. When the moving assembly 1 moves to the inner wall position of the pipeline, the moving assembly 1 controls the opening diameter and fits with the inner wall of the pipeline. In this state, the moving assembly 1 can drive the entire cleaning device to advance in the pipeline, and the dirt falls to the bottom of the inner wall of the pipeline and accumulates.

[0079] S4. As the moving assembly 1 gradually advances, the second nozzle group 22 enters the pipeline. The second nozzle group 22 sprays the cleaning liquid obliquely towards the opening of the pipeline, causing the accumulated dirt to be pushed in the reverse direction of the advancing direction of the moving assembly 1. After the cleaning is completed, the moving assembly 1 withdraws in the reverse direction, and the second nozzle group 22 then uses the impact of the cleaning liquid to push the accumulated dirt out of the pipeline.

[0080] The more specific steps of S4 are as follows: S41. As the moving assembly 1 gradually advances, the second nozzle group 22 enters the pipeline. The cleaning liquid enters the interior of the second circular water tank 221 through the liquid supply pipe 23 and is sprayed through a plurality of inclined second nozzles 223 provided on the conical part 222. The cleaning liquid is sprayed obliquely towards the opening of the pipeline, causing the accumulated dirt to be pushed in the reverse direction of the advancing direction of the moving assembly 1. After the cleaning is completed, the moving assembly 1 withdraws in the reverse direction, and the cleaning liquid sprayed by the second nozzles 223 then uses the impact force to push the accumulated dirt out of the pipeline.

[0081] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

Claims

1. Pipeline system inner wall dirt cleaning device, characterized in that: It includes a moving component (1) and a spraying and washing component (2). The moving component (1) includes a fixed pipe (11). The spraying and washing component (2) includes a first nozzle group (21) and a second nozzle group (22). The first nozzle group (21) and the second nozzle group (22) are respectively arranged at both ends of the fixed pipe (11). A driving component (3) is installed on the outer side wall of the fixed pipe (11) and close to the first nozzle group (21). The driving component (3) is cooperatively connected with the first nozzle group (21). A dirt cleaning component (4) is installed at the end of the first nozzle group (21) away from the fixed pipe (11). The dirt cleaning component (4) includes an adjusting mechanism (41) connected to the side of the first nozzle group (21) away from the fixed pipe (11) and four matching mechanisms (42) hinged to one side of the adjusting mechanism (41). The four matching mechanisms (42) are arranged in a surrounding manner. One side of each of the four matching mechanisms (42) is connected with a scraping mechanism (43) for cleaning dirt.

2. The inner wall dirt cleaning device for the pipeline system according to claim 1, characterized in that: The moving component (1) further includes four first hinged plates (12) and four second hinged plates (16) that are equidistantly and circumferentially hinged to the outer side wall of the fixed pipe (11). The four first hinged plates (12) and the four second hinged plates (16) are arranged correspondingly. A support plate (13) is hinged between the first hinged plate (12) and the corresponding second hinged plate (16). Four telescopic rods (15) are equidistantly and circumferentially hinged to the outer side wall of the fixed pipe (11). The four telescopic rods (15) are correspondingly arranged with the four second hinged plates (16). The end of the piston rod of the telescopic rod (15) is hinged to the middle of the corresponding second hinged plate (16). An electric wheel (14) is installed on the side wall of each support plate (13).

3. The pipeline system inner wall dirt cleaning device according to claim 1, characterized in that: The first nozzle group (21) includes a first circular water tank (211) arranged at one end of the fixed pipe (11). A plurality of first nozzles (212) are circumferentially connected to the outer side wall of the first circular water tank (211). The first nozzles (212) are cooperatively connected with the driving component (3). The second nozzle group (22) includes a second circular water tank (221) arranged at the other end of the fixed pipe (11). A conical part (222) is formed on one side of the second circular water tank (221). A plurality of second nozzles (223) are communicated with the side wall of the conical part (222).

4. The pipeline system inner wall dirt cleaning device according to claim 3, characterized in that: A water injection pipe is communicated with the side of the first circular water tank (211) close to the fixed pipe (11). One end of the water injection pipe is rotatably connected with a sleeve (24). A liquid supply pipe (23) is communicated with the side of the sleeve (24) away from the second circular water tank (221). The liquid supply pipe (23) penetrates through the inside of the fixed pipe (11) and is connected with the fixed pipe (11).

5. The inner wall dirt cleaning device for a pipeline system according to claim 4, characterized in that: The driving component (3) includes a driving motor (31) installed on the outer side wall of the fixed pipe (11) and a driving gear (32) connected to the output end of the driving motor (31). A driven gear (33) is sleeved and connected to the outer side wall of the water injection pipe. The driven gear (33) is meshed with the driving gear (32).

6. The device for cleaning dirt on the inner wall of the pipeline system according to claim 1, characterized in that: The adjusting mechanism (41) includes a cross (411) connected to one side of the first circular water tank (211). Two groups of swing plates (412) are hinged on each of the four extending arms of the cross (411). A connecting frame (414) is arranged in the middle of one side of the cross (411). An adjusting cylinder (413) is installed on the connecting frame (414). The piston rod of the adjusting cylinder (413) is connected to the side wall of the cross (411). Four auxiliary plates (415) are equidistantly hinged on the outer wall of the connecting frame (414). The four auxiliary plates (415) are respectively hinged to the middle of one group of swing plates (412) on the four extending arms of the cross (411). The two groups of swing plates (412) on the four extending arms of the cross (411) are in a group. Four groups of matching mechanisms (42) are respectively hinged to the corresponding two groups of swing plates (412). An active scraper (416) is arranged on the side of the matching mechanism (42) away from the corresponding swing plate (412).

7. The device for cleaning dirt on the inner wall of the pipeline system according to claim 6, characterized in that: The active scraper (416) is trapezoidally arranged. The longer side of the active scraper (416) is arranged close to the adjusting cylinder (413). And scraping edges are formed on the sides of the four active scrapers (416) away from the adjusting cylinder (413).

8. The device for cleaning dirt on the inner wall of the pipeline system according to claim 7, wherein: Each of the four groups of matching mechanisms (42) includes a plate body (421) hinged to the corresponding two groups of swing plates (412). A through groove (422) is formed on one side of the plate body (421). A slider (425) is slidably connected inside the through groove (422). A guiding hole (426) is formed on the inner wall of the through groove (422) and close to the adjusting cylinder (413). A guiding tube (423) is penetrated inside the guiding hole (426). A spring (424) is sleeved on the outer side wall of the guiding tube (423). The bottom end of the spring (424) is in contact with the inner bottom wall of the through groove (422). One end of the guiding tube (423) penetrates through the corresponding slider (425) and is provided with a limiting hole (4204). A connecting rod (4203) is arranged inside the guiding tube (423). One end of the connecting rod (4203) is connected with a clamping block (4202). A plurality of clamping grooves (427) are formed on the inner side wall of the through groove (422). The clamping block (4202) penetrates through the inside of the limiting hole (4204) and is adapted to the clamping groove (427). A cavity is formed on the side of the plate body (421) close to the adjusting cylinder (413). The guiding tube (423) extends into the corresponding cavity and is connected with a pipe clamp (428). An adjusting cylinder (4201) is installed on one side of the pipe clamp (428). The piston rod of the adjusting cylinder (4201) is connected with the corresponding connecting rod (4203). A multi-stage telescopic rod (429) is installed on the inner wall of the plate body (421). The piston rod of the multi-stage telescopic rod (429) is connected with the pipe clamp (428) through an electric fixture.

9. The pipeline system inner wall dirt cleaning device according to claim 8, characterized in that: Each of the four groups of the scraping mechanisms (43) includes an auxiliary scraper (431) arranged in a trapezoidal shape. A placement groove (432) is formed inside the auxiliary scraper (431). The corresponding active scraper (416) is inserted into the corresponding placement groove (432). An installation groove (433) is formed in the side wall of the corresponding active scraper (416). A scraping cylinder (434) is installed between the inner wall of the installation groove (433) and the inner wall of the placement groove (432). Wedge-shaped portions (435) are formed on the side of the active scraper (416) away from the corresponding slider (425). A guiding inclined surface is arranged on the side of the auxiliary scraper (431) away from the auxiliary plate (415). The guiding inclined surface is adapted to the wedge-shaped portions (435).

10. A method for cleaning dirt on the inner wall of a pipeline system, using the device for cleaning dirt on the inner wall of a pipeline system according to any one of claims 1-9, characterized in that, It includes the following steps: S1. Place the device at the opening position of the pipeline. Then, control the overall rotation of the first spray head group (21) and the dirt cleaning component (4) through the driving component (3). And the dirt cleaning component (4) adjusts the control diameter to adapt to the cleaning of different pipelines. S2. When cleaning a circular pipeline, the dirt cleaning component (4) gradually peels and advances the dirt at the pipeline opening. During the advancing process, the first spray head group (21) rotates self - and sprays the cleaning liquid on the inner wall of the pipeline, flushing off the dirt adhered to the inner wall of the pipeline. When the moving component (1) moves to the position of the inner wall of the pipeline, the moving component (1) controls to expand the diameter and fits with the inner wall of the pipeline. In this state, the moving component (1) can drive the whole cleaning device to advance in the pipeline, and the dirt falls to the bottom of the inner wall of the pipeline and accumulates. S3. When cleaning a square pipeline, the dirt cleaning component (4) gradually peels and advances the dirt at the pipeline opening. During the advancing process, use the adaptation mechanism (42) to control the positions of the adjustment mechanism (41) and the scraping mechanism (43), so that the dirt cleaning component (4) not only synchronously adjusts the diameter, but also can adaptively adjust the position according to the different distances between the dirt cleaning component (4) and the inner wall of the square pipeline. At the same time, the first spray head group (21) rotates self - and sprays the cleaning liquid on the inner wall of the pipeline, flushing off the dirt adhered to the inner wall of the pipeline. When the moving component (1) moves to the position of the inner wall of the pipeline, the moving component (1) controls to expand the diameter and fits with the inner wall of the pipeline. In this state, the moving component (1) can drive the whole cleaning device to advance in the pipeline, and the dirt falls to the bottom of the inner wall of the pipeline and accumulates. S4. As the moving component (1) gradually advances, the second spray head group (22) enters the pipeline. The second spray head group (22) sprays the cleaning liquid obliquely towards the pipeline opening, causing the accumulated dirt to be reversely impacted and pushed in the reverse direction of the advancing direction of the moving component (1). After the cleaning is completed, the moving component (1) withdraws in the reverse direction, and the second spray head group (22) then uses the impact of the cleaning liquid to push the accumulated dirt out of the pipeline.

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