Automatic cleaning device

Abstract

The utility model discloses an automatic cleaning device, which belongs to the technical field of pipeline cleaning and comprises a self-adaptive staggered cleaning mechanism, a rotary driving mechanism and a traveling mechanism which are sequentially arranged from front to back, and one side, far away from the traveling mechanism, of the rotary driving mechanism is in transmission connection with an inner rotating shaft and an outer sleeve which are coaxially arranged. The outer sleeve is rotationally arranged on the outer side of the inner rotating shaft in a sleeving mode, the length of the inner rotating shaft is larger than that of the outer sleeve, and the end, away from the rotating driving mechanism, of the inner rotating shaft extends out of the outer sleeve; and the inner rotating shaft and the outer sleeve drive the two groups of self-adaptive staggered cleaning mechanisms to rotate reversely. According to the automatic cleaning device provided by the utility model, all-directional cleaning is realized by combining a plurality of modes of scraping, brushing and high-pressure flushing, and automatic cleaning of the interiors of pipelines with various sizes can be realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline cleaning, and specifically refers to an automatic cleaning device. Background Art

[0002] Due to their unique characteristics, pipelines are widely used in many industries and fields. In some special occasions, high requirements are placed on the cleanliness of the inner wall of the pipeline. The inner wall of the pipeline needs to maintain a certain degree of cleanliness without dust and foreign matter. However, due to long-term use of pipelines, various pollutants are inevitably attached to the inner wall, which has a huge impact on production and life. Therefore, the inner wall of the pipeline needs to be cleaned regularly.

[0003] In the related art, high-pressure flushing is usually used to clean the inside of the pipe. However, for the stubborn dirt attached to the inner wall of the pipe, it is difficult to completely remove it from the inner wall of the pipe by high-pressure flushing, and residues are likely to remain. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an automatic cleaning device, which realizes all-round cleaning by combining scraping, brushing and high-pressure flushing, and can realize automatic cleaning of the inside of pipes of multiple sizes.

[0005] The technical solution adopted by the utility model is as follows: an automatic cleaning device provided by the utility model comprises an adaptive staggered cleaning mechanism, a rotary drive mechanism and a walking mechanism arranged in sequence from front to back, wherein the rotary drive mechanism is transmission-connected with a coaxially arranged inner rotating shaft and an outer sleeve on one side away from the walking mechanism, the outer sleeve is rotationally sleeved on the outer side of the inner rotating shaft, the rotary drive mechanism drives the inner rotating shaft and the outer sleeve to rotate in opposite directions, the length of the inner rotating shaft is greater than the length of the outer sleeve and one end of the inner rotating shaft away from the rotary drive mechanism extends out of the outer sleeve, the adaptive staggered cleaning mechanism is provided with at least two groups, the outer side of the inner rotating shaft and the outer side of the outer sleeve are respectively coaxially fixedly connected with at least one group of adaptive staggered cleaning mechanisms, the inner rotating shaft The outer sleeve drives the two sets of adaptive staggered cleaning mechanisms to rotate in the opposite direction, thereby ensuring that the cleaning is more comprehensive and thorough; a water supply mechanism is provided inside the walking mechanism, the rotary drive mechanism and the inner shaft from front to back, and the end of the inner shaft away from the rotary drive mechanism is connected to a flushing chamber, and the circumferential side wall of the flushing chamber is connected to a high-pressure flushing nozzle, and the high-pressure flushing nozzle is distributed in a circular array around the flushing chamber. The adaptive staggered cleaning mechanism includes a fixed sleeve and a telescopic mechanism distributed in a circular array around the fixed sleeve, and a scraper and a cleaning brush are provided on the side wall of the telescopic mechanism, and the scraper and the cleaning brush are arranged at intervals along the circumference of the fixed sleeve, and the scraper and the cleaning brush are arranged in sequence from front to back along the axial direction of the fixed sleeve.

[0006] Among them, the rotation drive mechanism includes a drive motor, a first pulley, a second pulley, a transmission belt, a side bevel gear, a first bevel gear, and a second bevel gear. A drive seat is provided at the front end of the traveling mechanism. A drive motor housing is mounted on the side wall of the drive seat through bolts. The rotation drive mechanism is arranged inside the drive motor housing. A vertical plate is provided on the side wall of the drive seat. The side bevel gear is rotatably arranged on the side wall of the vertical plate. The first bevel gear is rotatably arranged on the inner side wall of the drive motor housing. A cross plate is connected to the middle of one side of the vertical plate. The second bevel gear is rotatably arranged on the cross plate. The first bevel gear and the second bevel gear are respectively arranged on both sides of the side bevel gear. The first bevel gear and the second bevel gear are respectively meshed with both sides of the side bevel gear. An avoidance through hole one is provided through the side of the drive motor housing away from the drive seat. The end of the outer sleeve rotates through the avoidance through hole one and is coaxially fixed to the first bevel gear. The end of the outer sleeve penetrates through the first bevel gear. An avoidance through hole two is provided on the cross plate. The inner rotating shaft passes through the outer sleeve and is coaxially fixed to the second bevel gear. The end of the inner rotating shaft fixedly penetrates through the second bevel gear and rotates backward through the avoidance through hole two. The drive motor is arranged on the side wall of the drive seat. The drive motor is connected to the first pulley. The second pulley is coaxially fixed on one side of the side bevel gear. The transmission belt is wound around the outer sides of the first pulley and the second pulley. Tooth grooves are respectively provided on the circumferential side wall of the first pulley, the circumferential side wall of the second pulley, and the inner side wall of the transmission belt. The first pulley and the second pulley are respectively meshed with the transmission belt through the tooth grooves.

[0007] Further, the water supply mechanism includes a water inlet pipe, a water inlet cavity, and a water supply channel penetrating the inner rotating shaft. The water inlet pipe is arranged on the side of the drive seat away from the drive motor housing. The water inlet pipe penetrates through the traveling mechanism. Water distribution channels communicated with the water inlet pipe are symmetrically arranged inside the drive seat. The water inlet cavity is arranged on the side of the cross plate away from the second bevel gear. The water inlet cavity is arranged between the cross plate and the drive motor. A water distribution pipe is provided for communicating between the water inlet cavity and the water distribution channels. The water distribution pipes are symmetrically arranged on both sides of the drive motor. An outlet is provided on the side of the water inlet cavity close to the second bevel gear. The inner rotating shaft is rotationally and sealingly connected to the outlet. One end of the water supply channel is communicated with the water inlet cavity through the outlet. The other end of the water supply channel is communicated with the flushing cavity.

[0008] Further, the telescopic mechanism includes a bidirectional screw, an adjustment sliding seat, an adjustment rod, and an adjustment side plate. An adjustment sliding groove is provided on the circumferential side wall of the fixed sleeve. The adjustment sliding grooves are circumferentially and arrayed around the axis of the fixed sleeve. The bidirectional screw is rotatably arranged in the adjustment sliding groove. Threads with opposite helical directions are symmetrically provided at both ends of the bidirectional screw. The adjustment sliding seats are symmetrically and slidably arranged in the adjustment sliding groove. The adjustment sliding seats are respectively threadedly connected to both ends of the bidirectional screw. One end of the adjustment rod is hinged to the adjustment sliding seat. The other end of the adjustment rod is hinged to the side wall of the adjustment side plate. The adjustment rods are symmetrically arranged on one side of the adjustment side plate.

[0009] Preferably, a driving cavity is provided on one side of the fixed sleeve, and an adjusting drive for driving the bidirectional screw to rotate is provided in the driving cavity. The adjusting drive includes an adjusting gear, an adjusting gear ring, and an adjusting motor. The adjusting gear is rotatably arranged in the driving cavity, and the adjusting gear is coaxially and fixedly connected to the bidirectional screw. A plurality of groups of adjusting gears are provided in the driving cavity, and each adjusting gear corresponds to the bidirectional screw one by one. The adjusting gear ring is rotatably arranged in the driving cavity, and the adjusting gear ring is rotatably arranged outside the plurality of groups of adjusting gears. Teeth are provided on the inner wall of the adjusting gear ring, and each adjusting gear is respectively meshed with the inner wall of the adjusting gear ring. The adjusting motor is connected to any one of the plurality of groups of adjusting gears.

[0010] As a further improvement of this solution, elastic telescopic rods are respectively provided between the adjusting side plate and the scraping plate and between the adjusting side plate and the cleaning brush. The elastic telescopic rods push the scraping plate and the cleaning brush to always fit the inner wall of the pipeline.

[0011] Among them, the traveling mechanism includes an electric push rod, a fixed ring seat, a sliding ring seat, a wheel rod, and a hinge rod. The fixed ring seat is coaxially and fixedly arranged on the side of the driving seat away from the adaptive misalignment cleaning mechanism. A blind hole is provided on the side of the fixed ring seat away from the driving seat, and the blind holes are circumferentially and arrayedly distributed around the fixed ring seat. The electric push rod is installed in the blind hole. The sliding ring seat is arranged at the end of the electric push rod, and the sliding ring seat is coaxially arranged with the fixed ring seat. The water inlet pipe is arranged in the fixed ring seat and the sliding ring seat, and the water inlet pipe is slidably arranged with the sliding ring seat. One end of the wheel rod is hinged on the circumferential side wall of the fixed ring seat, and the wheel rods are circumferentially and arrayedly distributed around the fixed ring seat. One end of the hinge rod is hinged on the circumferential side wall of the sliding ring seat, and the other end of the hinge rod is hinged to the middle of the wheel rod. The hinge rods are circumferentially and arrayedly distributed around the sliding ring seat. A traveling wheel is rotatably arranged at the end of the wheel rod away from the fixed ring seat, and a traveling motor is arranged on the side wall of the wheel rod. The traveling motor is connected to the traveling wheel.

[0012] Preferably, the scraping plate includes a fixed seat, a slot, and a scraping plate body. The slot is arranged on the side wall of the fixed seat. One end of the slot is provided with a socket. Sliders are symmetrically arranged on the bottom wall of the scraping plate body, and chutes are symmetrically arranged on the inner wall of the slot. The sliders are slidably clamped in the chutes.

[0013] The beneficial effects achieved by the present utility model with the above structure are as follows:

[0014] 1. By arranging the scraping plates and the cleaning brushes arranged at intervals in the circumferential direction, the scraping plates and the cleaning brushes are arranged in a misaligned manner. The rotatably arranged scraping plates initially scrape the dirt adhered to the inner wall of the pipeline, and the cleaning brushes arranged at the rear further brush the inner wall of the pipeline. The multiple groups of adaptive misalignment cleaning mechanisms that rotate in the reverse direction scrape and brush the inner wall of the pipeline from different directions. Cooperating with the high-pressure flushing nozzle, the stubborn dirt adhered to the inner wall of the pipeline can be completely peeled off, reducing the dirt residue rate on the inner wall of the pipeline.

[0015] 2. The utility model is provided with a telescopic mechanism. By rotating the bidirectional screw rod, the adjusting sliding seat is driven to move, and the distance between two groups of adjusting sliding seats is adjusted. Furthermore, the scraping plate and the cleaning brush are driven to expand outwards and fit against the inner wall of the pipeline. The scraping plates and the cleaning brushes arranged at intervals along the circumferential direction and offset can make the adjustment range of the telescopic mechanism larger.

[0016] 3. The utility model is provided with elastic telescopic parts between the adjusting side plate and the scraping plate and between the adjusting side plate and the cleaning brush. The elastic telescopic rod pushes the scraping plate and the cleaning brush to always fit against the inner wall of the pipeline, ensuring cleaning without dead angles.

[0017] 4. The water supply mechanism provided by the utility model runs through the adaptive offset cleaning mechanism, the rotary drive mechanism and the traveling mechanism from front to back in sequence. Without affecting the rotation of the adaptive offset cleaning mechanism, it ensures stable water supply for the high-pressure flushing nozzle.

[0018] 5. The traveling mechanism provided by the utility model drives the device to travel in the pipeline. By driving the hinge rod push-pull wheel rod through the electric push rod, the traveling wheels are adjusted to ensure that the traveling wheels fit against the inner wall of the pipeline. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of an automatic cleaning device provided by the utility model;

[0020] Figure 2 is a side view of an automatic cleaning device provided by the utility model;

[0021] Figure 3 is a cross-sectional view of an automatic cleaning device provided by the utility model;

[0022] Figure 4 is Figure 3 a partial enlarged view of part A in

[0023] Figure 5 is a schematic structural diagram of the rotary drive mechanism, the inner rotating shaft and the outer sleeve provided by the utility model;

[0024] Figure 6 is a schematic structural diagram of the adaptive offset cleaning mechanism provided by the utility model;

[0025] Figure 7 is Figure 6 a partial enlarged view of part B in

[0026] Figure 8 is a longitudinal sectional schematic diagram of the adaptive offset cleaning mechanism provided by the utility model;

[0027] Figure 9 is a cross-sectional schematic diagram of the adaptive offset cleaning mechanism provided by the utility model.

[0028] Among them, 1. Adaptive misalignment cleaning mechanism, 2. Rotating drive mechanism, 3. Traveling mechanism, 4. Inner rotating shaft, 5. Outer sleeve, 6. Water supply mechanism, 7. Flushing chamber, 8. High-pressure flushing nozzle, 9. Fixed sleeve, 10. Telescopic mechanism, 11. Scraper, 12. Cleaning brush, 13. Drive seat, 14. Side bevel gear, 15. Bevel gear one, 16. Bevel gear two, 17. Vertical plate, 18. Horizontal plate, 19. Avoidance through hole one, 20. Avoidance through hole two, 21. Drive motor, 22. Belt pulley one, 23. Belt pulley two, 24. Transmission belt, 25. Water inlet pipe, 26. Water inlet chamber, 27. Water supply channel, 28. Water distribution channel, 29. Water distribution pipe, 30. Water outlet, 31. Electric push rod, 32. Fixed ring seat, 33. Sliding ring seat, 34. Wheel rod, 35. Hinge rod, 36. Blind hole, 37. Traveling wheel, 38. Traveling motor, 39. Bidirectional screw, 40. Adjusting slide seat, 41. Adjusting rod, 42. Adjusting side plate, 43. Adjusting chute, 44. Drive chamber, 45. Adjusting gear, 46. Adjusting gear ring, 47. Adjusting motor, 48. Elastic telescopic rod, 49. Slide block, 50. Chute, 51. Control button, 52. Fixed seat, 53. Slot, 54. Scraper body, 55. Socket.

[0029] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the description. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. Detailed implementation manners

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0032] Such as Figures 1 - 9As shown, the utility model provides an automatic cleaning device, including an adaptive staggered cleaning mechanism 1, a rotary drive mechanism 2 and a walking mechanism 3 arranged in sequence from front to back, the rotary drive mechanism 2 is transmission-connected with a coaxially arranged inner shaft 4 and an outer sleeve 5 on one side away from the walking mechanism 3, the outer sleeve 5 is rotationally sleeved on the outside of the inner shaft 4, the rotary drive mechanism 2 drives the inner shaft 4 and the outer sleeve 5 to rotate in opposite directions, the length of the inner shaft 4 is greater than the length of the outer sleeve 5 and the end of the inner shaft 4 away from the rotary drive mechanism 2 extends out of the outer sleeve 5, the adaptive staggered cleaning mechanism 1 is provided with two groups along the axial direction of the inner shaft 4, the two groups of adaptive staggered cleaning mechanisms 1 are coaxially fixedly connected with the inner shaft 4 and the outer sleeve 5 respectively, the inner shaft 4 and the outer sleeve 5 drive the two groups of adaptive staggered cleaning mechanisms 1 to rotate in opposite directions, thereby ensuring that the cleaning is more comprehensive and thorough; the walking mechanism 3, the rotary drive mechanism 2 and the inner shaft 4 are penetrated from front to back by a water supply mechanism 6, the end of the inner shaft 4 away from the rotary drive mechanism 2 is connected with a flushing chamber 7, the flushing chamber The circumferential side wall of the flushing chamber 7 is connected to a high-pressure flushing nozzle 8, and the high-pressure flushing nozzle 8 is arranged in an array around the circumference of the flushing chamber 7. The adaptive dislocation cleaning mechanism 1 includes a fixed sleeve 9 and a telescopic mechanism 10 arranged in an array around the circumference of the fixed sleeve 9. The side wall of the telescopic mechanism 10 is provided with a scraper 11 and a cleaning brush 12, and the scraper 11 and the cleaning brush 12 are arranged at intervals along the circumference of the fixed sleeve 9, and the scraper 11 and the cleaning brush 12 are arranged in sequence from front to back along the axial direction of the fixed sleeve 9, and the scraper 11 and the cleaning brush 12 are arranged at intervals along the circumference. 1 and the cleaning brush 12, so that the scraper 11 and the cleaning brush 12 are staggered, the adjustment range of the telescopic mechanism 10 can be larger, the rotating scraper 11 preliminarily scrapes the dirt adhered to the inner wall of the pipe, and the cleaning brush 12 arranged on the rear side further scrubs the inner wall of the pipe, and the two sets of adaptive staggered cleaning mechanisms 1 rotating in opposite directions can completely peel off the stubborn dirt adhered to the inner wall of the pipe by scraping and scrubbing the inner wall of the pipe from different directions, thereby reducing the residual dirt rate on the inner wall of the pipe.

[0033] See also Figures 1 - 3, the traveling mechanism 3 includes an electric push rod 31, a fixed ring seat 32, a sliding ring seat 33, a wheel rod 34 and a hinge rod 35. The fixed ring seat 32 is coaxially and fixedly arranged on the side of the rotary drive mechanism 2 away from the adaptive misalignment cleaning mechanism 1. A blind hole 36 is provided on the side of the fixed ring seat 32 away from the rotary drive mechanism 2. The blind holes 36 are distributed in a circumferential array around the fixed ring seat 32. The electric push rod 31 is installed in the blind hole 36. The sliding ring seat 33 is arranged at the end of the electric push rod 31, and the sliding ring seat 33 is coaxially arranged with the fixed ring seat 32. One end of the wheel rod 34 is hinged on the circumferential side wall of the fixed ring seat 32, and the wheel rods 34 are distributed in a circumferential array around the fixed ring seat 32. One end of the hinge rod 35 is hinged on the circumferential side wall of the sliding ring seat 33, and the other end of the hinge rod 35 is hinged to the middle of the wheel rod 34. The hinge rods 35 are distributed in a circumferential array around the sliding ring seat 33. A traveling wheel 37 is rotatably arranged at the end of the wheel rod 34 away from the fixed ring seat 32. A traveling motor 38 is arranged on the side wall of the wheel rod 34, and the traveling motor 38 is connected to the traveling wheel 37. The distance between the sliding ring seat 33 and the fixed ring seat 32 is adjusted by the electric push rod 31. When the sliding ring seat 33 approaches the fixed ring seat 32, the sliding ring seat 33 drives the hinge rod 35 to push the wheel rod 34 to rotate away from the axis direction of the fixed ring seat 32, so as to drive a plurality of groups of wheel rods 34 to expand outwards, so that the traveling wheels 37 extend outwards to fit the inner wall of the pipeline.

[0034] Refer to Figures 1 - 5, the rotation drive mechanism 2 includes a drive motor 21, a first pulley 22, a second pulley 23, a transmission belt 24, a side bevel gear 14, a first bevel gear 15 and a second bevel gear 16. A drive seat 13 is provided at the front end of the traveling mechanism 3. A drive housing is mounted on the side wall of the drive seat 13 by bolts. A vertical plate 17 is provided on the side wall of the drive seat 13. The side bevel gear 14 is rotatably provided on the side wall of the vertical plate 17. The first bevel gear 15 is rotatably provided on the inner side wall of the drive housing. A transverse plate 18 is connected to the middle of one side of the vertical plate 17. The second bevel gear 16 is rotatably provided on the transverse plate 18. The first bevel gear 15 and the second bevel gear 16 are respectively provided on both sides of the side bevel gear 14. The first bevel gear 15 and the second bevel gear 16 are respectively meshed with both sides of the side bevel gear 14. A first avoidance through hole 19 is provided through the side of the drive housing away from the drive seat 13. The end of the outer sleeve 5 rotatably passes through the first avoidance through hole 19 and is coaxially fixed to the first bevel gear 15. The end of the outer sleeve 5 passes through the first bevel gear 15. A second avoidance through hole 20 is provided on the transverse plate 18. The inner rotating shaft 4 passes through the outer sleeve 5 and is coaxially fixed to the second bevel gear 16. The end of the inner rotating shaft 4 fixedly passes through the second bevel gear 16 and rotates backward through the second avoidance through hole 20. The drive motor 21 is provided on the side wall of the drive seat 13. The drive motor 21 is connected to the first pulley 22. The second pulley 23 is coaxially fixed on one side of the side bevel gear 14. The transmission belt 24 is wound around the outer sides of the first pulley 22 and the second pulley 23. Tooth grooves are respectively provided on the circumferential side wall of the first pulley 22, the circumferential side wall of the second pulley 23 and the inner side wall of the transmission belt 24. The first pulley 22 and the second pulley 23 are respectively meshed with the transmission belt 24 through the tooth grooves. The drive motor 21 drives the second pulley 23 to rotate through the first pulley 22 and the transmission belt 24. The second pulley 23 drives the side bevel gear 14 to rotate. The side bevel gear 14 drives the first bevel gear 15 and the second bevel gear 16 to rotate coaxially in opposite directions, thereby driving the inner rotating shaft 4 and the outer sleeve 5 to rotate coaxially in opposite directions.

[0035] Such as Figures 1 - 4As shown, the water delivery mechanism 6 includes a water inlet pipe 25, a water inlet chamber 26, and a water delivery channel 27 passing through the inner rotating shaft 4. The water inlet pipe 25 is arranged on the side of the driving seat 13 away from the driving machine housing. The water inlet pipe 25 passes through the traveling mechanism 3. The driving seat 13 is symmetrically provided with a water distribution channel 28 communicated with the water inlet pipe 25. The water inlet chamber 26 is arranged on the side of the cross plate 18 away from the bevel gear II 16. The water inlet chamber 26 is arranged between the cross plate 18 and the driving motor 21. A water distribution pipe 29 is communicated between the water inlet chamber 26 and the water distribution channel 28. The water distribution pipes 29 are symmetrically arranged on both sides of the driving motor 21. A water outlet 30 is arranged on the side of the water inlet chamber 26 close to the bevel gear II 16. The inner rotating shaft 4 is rotationally and sealingly connected to the water outlet 30. One end of the water delivery channel 27 is communicated with the water inlet chamber 26 through the water outlet 30, and the other end of the water delivery channel 27 is communicated with the flushing chamber 7. The water inlet pipe 25 is connected to an external high-pressure water source pipeline to supply water to the device. The water flows through the water inlet pipe 25 and into the water distribution channel 28, then converges into the water inlet chamber 26 through the water distribution pipes 29, and flows into the flushing chamber 7 through the water outlet 30 and the water delivery channel 27, and is sprayed onto the inner wall of the pipeline through the high-pressure flushing nozzle 8 to perform high-pressure flushing on the inner wall of the pipeline. The water inlet pipe 25 is arranged in the fixed ring seat 32 and the sliding ring seat 33, and the water inlet pipe 25 is slidably arranged with the sliding ring seat 33.

[0036] As Figures 6 - 9 shown, the telescopic mechanism 10 includes a bidirectional screw 39, an adjusting sliding seat 40, an adjusting rod 41, and an adjusting side plate 42. An adjusting sliding groove 43 is arranged on the circumferential side wall of the fixed sleeve 9. The adjusting sliding grooves 43 are circumferentially and arrayedly distributed around the axis of the fixed sleeve 9. The bidirectional screw 39 is rotatably arranged in the adjusting sliding groove 43. The two ends of the bidirectional screw 39 are symmetrically provided with threads with opposite screw directions. The adjusting sliding seats 40 are symmetrically and slidably arranged in the adjusting sliding groove 43. The adjusting sliding seats 40 are respectively threadedly connected to the two ends of the bidirectional screw 39. One end of the adjusting rod 41 is hinged to the adjusting sliding seat 40, and the other end of the adjusting rod 41 is hinged to the side wall of the adjusting side plate 42. The adjusting rods 41 are symmetrically arranged on one side of the adjusting side plate 42. By rotating the bidirectional screw 39 to drive the adjusting sliding seats 40 to move, the distance between the two groups of adjusting sliding seats 40 is adjusted. When the two groups of adjusting sliding seats 40 slide close to each other, the adjusting sliding seats 40 push the adjusting side plate 42 to extend outwards through the adjusting rods 41. When the two groups of adjusting sliding seats 40 slide apart, the adjusting sliding seats 40 pull the adjusting side plate 42 to contract inwards through the adjusting rods 41, so as to facilitate adapting to pipelines of different sizes.

[0037] One side of the fixed sleeve 9 is provided with a driving cavity 44, and an adjusting drive for driving the rotation of the driving bidirectional screw 39 is arranged in the driving cavity 44. The adjusting drive includes an adjusting gear 45, an adjusting gear ring 46 and an adjusting motor 47. The adjusting gear 45 is rotatably arranged in the driving cavity 44, and the adjusting gear 45 is coaxially fixed to the bidirectional screw 39. A plurality of groups of adjusting gears 45 are arranged in the driving cavity 44, and the adjusting gears 45 correspond to the bidirectional screws 39 one by one. The adjusting gear ring 46 is rotatably arranged in the driving cavity 44, and the adjusting gear ring 46 is rotatably arranged outside the plurality of groups of adjusting gears 45. The inner wall of the adjusting gear ring 46 is provided with teeth, and each adjusting gear 45 is meshed with the inner wall of the adjusting gear ring 46. The adjusting motor 47 is connected to any one of the plurality of groups of adjusting gears 45. The adjusting motor 47 drives the connected adjusting gear 45 to rotate, and the adjusting gear 45 drives the plurality of groups of adjusting gears 45 to rotate synchronously through the adjusting gear ring 46, so as to drive the plurality of groups of bidirectional screws 39 to rotate synchronously.

[0038] As Figure 6 and Figure 7 shown, the scraping plate 11 includes a fixed seat 52, a slot 53 and a scraping plate body 54. The slot 53 is arranged on the side wall of the fixed seat 52. One end of the slot 53 is provided with a socket 55. Symmetrically arranged sliding blocks 49 are arranged on the side wall of the scraping plate body 54, and symmetrically arranged sliding grooves 50 are arranged on the inner wall of the slot 53. The sliding blocks 49 are slidably clamped in the sliding grooves 50, and the scraping plate body 54 is slidably inserted into the slot 53 through the sliding blocks 49 and the sliding grooves 50.

[0039] Referring to Figure 8 and Figure 9 , elastic telescopic rods 48 are respectively arranged between the adjusting side plate 42 and the scraping plate 11 and between the adjusting side plate 42 and the cleaning brush 12. The elastic telescopic rods 48 push the scraping plate 11 and the cleaning brush 12 to always fit the inner wall of the pipeline; the elastic telescopic rod 48 includes a telescopic sleeve fixedly installed on the side wall of the adjusting side plate 42 and a rod body slidably arranged in the telescopic sleeve, and a spring is arranged between the rod body and the telescopic sleeve.

[0040] In some embodiments, a power supply cavity is arranged in the driving seat 13, a storage battery is arranged in the power supply cavity, and the storage battery is electrically connected to the electric push rod 31, the driving motor 21, the traveling motor 38 and the adjusting motor 47. A control button 51 is arranged on the side wall of the sliding ring seat 33, and the control button 51 is respectively electrically connected to the electric push rod 31, the driving motor 21, the traveling motor 38 and the adjusting motor 47.

[0041] When in use, the device is inserted into the pipeline. In the initial state, the adjusting side plate 42 and the walking wheel 37 are both in a retracted state close to the axis of the device. First, the adaptive staggered cleaning mechanism 1 is adjusted, and the adjusting motor 47 is started by the control button 51. The adjusting motor 47 drives the adjusting gear 45 connected thereto to rotate. The adjusting gear 45 drives multiple groups of adjusting gears 45 to rotate synchronously through the adjusting gear ring 46, thereby driving multiple groups of bidirectional screws 39 to rotate synchronously. The rotation of the bidirectional screws 39 drives the adjusting slide 40 to move closer to each other, and the adjusting slide 40 pushes the adjusting rod 41. The side plate 42 is adjusted to extend outward. When the scraper 11 and the cleaning brush 12 are in close contact with the inner wall of the pipe, the adjustment motor 47 is controlled to stop working. Then, the electric push rod 31 is controlled to retract through the control button 51. The electric push rod 31 drives the sliding ring seat 33 to approach the fixed ring seat 32. The sliding ring seat 33 drives the hinge rod 35 to push the wheel rod 34 to rotate away from the axis of the fixed ring seat 32, thereby driving the multiple groups of wheel rods 34 to expand outward, so that the walking wheels 37 extend outward to fit the inner wall of the pipe. When the walking wheels 37 are in close contact with the inner wall of the pipe, the electric push rod 31 is controlled to stop retracting. , connect the external high-pressure water source to the water inlet pipe 25 through a hose, then start the travel motor 38 and the drive motor 21 through the control button 51, the travel motor 38 drives the travel wheel 37 to rotate, thereby driving the device to move in the pipeline, the water flows through the water inlet pipe 25 to the water diversion channel 28, and then flows into the water inlet cavity 26 through the water diversion pipe 29, and flows into the flushing cavity 7 through the water outlet 30 and the water delivery channel 27, and is sprayed to the inner wall of the pipeline through the high-pressure flushing nozzle 8, and the inner wall of the pipeline is high-pressure flushed. The drive motor 21 drives the pulley 2 through the pulley 1 22 and the transmission belt 24. 3 rotates, the pulley 23 drives the side bevel gear 14 to rotate, and the side bevel gear 14 drives the bevel gear 1 15 and the bevel gear 2 16 to rotate coaxially and in the opposite direction, thereby driving the inner shaft 4 and the outer sleeve 5 to rotate coaxially and in the opposite direction, the scraper 11 preliminarily scrapes the dirt adhered to the inner wall of the pipeline, and the cleaning brush 12 arranged on the rear side further scrubs the inner wall of the pipeline, and the two sets of adaptive staggered cleaning mechanisms 1 rotating in the opposite direction can completely peel off the stubborn dirt adhered to the inner wall of the pipeline by scraping and scrubbing the inner wall of the pipeline from different directions, thereby reducing the dirt residual rate on the inner wall of the pipeline.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. In general, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design similar structural modes and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. An automatic cleaning device, characterized in that: It includes an adaptive staggered cleaning mechanism, a rotary drive mechanism and a walking mechanism arranged in sequence from front to back, wherein the rotary drive mechanism is transmission-connected with a coaxially arranged inner rotating shaft and an outer sleeve on one side away from the walking mechanism, the outer sleeve is rotationally sleeved on the outer side of the inner rotating shaft, the rotary drive mechanism drives the inner rotating shaft and the outer sleeve to rotate in opposite directions, the length of the inner rotating shaft is greater than the length of the outer sleeve and one end of the inner rotating shaft away from the rotary drive mechanism extends out of the outer sleeve, the adaptive staggered cleaning mechanism is provided with at least two groups, and at least one group of adaptive staggered cleaning mechanisms is coaxially fixedly connected to the outer side of the inner rotating shaft and the outer side of the outer sleeve respectively; A water supply mechanism is provided inside the walking mechanism, the rotating drive mechanism and the inner rotating shaft from front to back, and a flushing chamber is connected to the end of the inner rotating shaft away from the rotating drive mechanism. The circumferential side wall of the flushing chamber is connected to a high-pressure flushing nozzle, and the high-pressure flushing nozzle is distributed in a circular array around the flushing chamber. The adaptive staggered cleaning mechanism includes a fixed sleeve and a telescopic mechanism distributed in a circular array around the fixed sleeve, and a scraper and a cleaning brush are provided on the side wall of the telescopic mechanism. The scraper and the cleaning brush are arranged at intervals along the circumference of the fixed sleeve, and the scraper and the cleaning brush are arranged in sequence from front to back along the axial direction of the fixed sleeve.

2. An automatic cleaning device according to claim 1, characterized in that: The rotary drive mechanism includes a drive motor, a pulley 1, a pulley 2, a side bevel gear, a transmission belt, a bevel gear 1 and a bevel gear 2. A drive seat is provided at the front end of the walking mechanism. A drive housing is installed on the side wall of the drive seat by bolts. The rotary drive mechanism is arranged in the drive housing. A vertical plate is provided on the side wall of the drive seat. The side bevel gear is rotatably arranged on the side wall of the vertical plate. The bevel gear 1 is rotatably arranged on the inner side wall of the drive housing. A horizontal plate is connected to the middle part of one side of the vertical plate. The bevel gear 2 is rotatably arranged on the horizontal plate. The bevel gear 1 and the bevel gear 2 are respectively arranged on both sides of the side bevel gear. The bevel gear 1 and the bevel gear 2 are respectively connected to the side walls of the side bevel gear. The two sides of the side bevel gears are meshed, and an avoidance through hole 1 is penetrated on the side of the drive housing away from the drive seat. The end of the outer sleeve rotates through the avoidance through hole 1 and is coaxially fixed with the bevel gear. The end of the outer sleeve penetrates the bevel gear 1, and an avoidance through hole 2 is provided on the cross plate. The inner rotating shaft passes through the outer sleeve and is coaxially fixed with the bevel gear 2. The end of the inner rotating shaft is fixedly penetrates the bevel gear 2 and rotates backward to pass through the avoidance through hole 2. The drive motor is arranged on the side wall of the drive seat, and the drive motor is connected to pulley 1. The pulley 2 is coaxially fixedly arranged on one side of the side bevel gear, and the transmission belt is wound around the outside of pulley 1 and pulley 2.

3. An automatic cleaning device according to claim 2, characterized in that: The water supply mechanism includes a water inlet pipe, a water inlet chamber and a water supply channel running through the inner rotating shaft. The water inlet pipe is arranged on a side of the driving seat away from the driving housing, and the water inlet pipe runs through the walking mechanism. The driving seat is symmetrically provided with water diversion channels connected to the water inlet pipe. The water inlet chamber is arranged on a side of the transverse plate away from the bevel gear 2, and the water inlet chamber is arranged between the transverse plate and the driving motor. A water diversion pipe is provided between the water inlet chamber and the water diversion channel, and the water diversion pipes are symmetrically arranged on both sides of the driving motor. A water outlet is provided on the side of the water inlet chamber close to the bevel gear 2, and the inner rotating shaft is rotatably sealed and connected to the water outlet. One end of the water supply channel is connected to the water inlet chamber through the water outlet, and the other end of the water supply channel is connected to the flushing chamber.

4. The automatic cleaning device according to claim 1, characterized in that: The telescopic mechanism includes a bidirectional screw, an adjusting slide, an adjusting rod and an adjusting side plate. An adjusting slide groove is provided on the circumferential side wall of the fixed sleeve. The adjusting slide grooves are distributed in a circular array around the axis of the fixed sleeve. The bidirectional screw is rotatably arranged in the adjusting slide groove. Both ends of the bidirectional screw are symmetrically provided with threads with opposite screw directions. The adjusting slide groove is symmetrically slidably arranged in the adjusting slide groove. The adjusting slide is respectively threadedly connected to the two ends of the bidirectional screw. One end of the adjusting rod is hingedly connected to the adjusting slide, and the other end of the adjusting rod is hingedly connected to the side wall of the adjusting side plate. The adjusting rod is symmetrically arranged on one side of the adjusting side plate.

5. An automatic cleaning device according to claim 4, characterized in that: A driving chamber is provided on one side of the fixed sleeve, and an adjusting drive for driving the bidirectional screw to rotate is provided in the driving chamber. The adjusting drive includes an adjusting gear, an adjusting gear ring and an adjusting motor. The adjusting gear is rotatably provided in the driving chamber, and the adjusting gear is coaxially fixed to the bidirectional screw. A plurality of adjusting gears are provided in the driving chamber, and the adjusting gears correspond to the bidirectional screws one by one. The adjusting gear ring is rotatably provided in the driving chamber, and the adjusting gear ring is rotatably provided on the outside of the plurality of adjusting gears. The inner wall of the adjusting gear ring is provided with gear teeth, and each adjusting gear is respectively meshed with the inner wall of the adjusting gear ring, and the adjusting motor is connected to any one of the plurality of adjusting gears.

6. An automatic cleaning device according to claim 4, characterized in that: Elastic telescopic rods are respectively arranged between the adjusting side plate and the scraper plate and between the adjusting side plate and the cleaning brush.

7. An automatic cleaning device according to claim 3, characterized in that: The driving mechanism comprises an electric push rod, a fixed ring seat, a sliding ring seat, a wheel rod and a hinge rod. The fixed ring seat is coaxially fixedly arranged on a side of the driving seat away from the adaptive staggered cleaning mechanism. A blind hole is provided on the side of the fixed ring seat away from the driving seat, and the blind holes are arranged in a circumferential array around the fixed ring seat. The electric push rod is installed in the blind hole. The sliding ring seat is arranged at the end of the electric push rod, the sliding ring seat is coaxially arranged with the fixed ring seat, the water inlet pipe is arranged in the fixed ring seat and the sliding ring seat, and the water inlet pipe and the sliding ring seat are slidably arranged. One end of the wheel rod is hinged on the circumferential side wall of the fixed ring seat, and the wheel rod is distributed in a circumferential array around the fixed ring seat. One end of the hinge rod is hinged on the circumferential side wall of the sliding ring seat, and the other end of the hinge rod is hingedly connected to the middle of the wheel rod. The hinge rod is distributed in a circumferential array around the sliding ring seat. The end of the wheel rod away from the fixed ring seat is rotatably provided with a walking wheel, and the side wall of the wheel rod is provided with a walking motor, and the walking motor is connected to the walking wheel.

8. The automatic cleaning device according to claim 1, characterized in that: The scraper includes a fixing seat, a slot and a scraper body. The slot is arranged on the side wall of the fixing seat. A socket is arranged at one end of the slot. Slide blocks are symmetrically arranged on the bottom wall of the scraper body. Slide blocks are symmetrically arranged on the inner wall of the slot. The slide blocks are slidably engaged in the slide blocks.

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