Mechanical crawler for pipeline cleaning

Abstract

The utility model relates to a mechanical crawler for pipeline cleaning, which comprises a walking structure walking in a pipeline and a cleaning device connected to the walking structure, the cleaning device comprises a cleaning disc, a cleaning power device driving the cleaning disc to rotate, and a plurality of cleaning arms arranged on the cleaning disc and distributed along the circumferential direction, and the other end of the cleaning arm extends to the inner wall of the pipeline. When the cleaning device is used, the walking mechanism drives the cleaning device to enter the pipeline and drives the cleaning disc to rotate, the cleaning disc drives the cleaning arm to rotate in the pipeline, and therefore the cleaning arm cleans the inner wall of the pipeline, the cleaning difficulty of the inner wall of the pipeline is lowered, the inner wall of the pipeline is conveniently cleaned, and smoothness of the pipeline is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of cleaning, in particular to the technical field of pipeline cleaning, and specifically refers to a mechanical crawler used for pipeline cleaning. Background Art

[0002] Pipelines are used to transport fluids. When fluids flow in pipelines, foreign matter carried in the fluid will adhere to the inner wall of the pipeline. The foreign matter accumulates on the inner wall of the pipeline to form blockages, hindering the flow of fluids in the pipeline.

[0003] However, since the inner wall of the pipe is not easy to clean, the cost of cleaning the inner wall of the pipe is high and the cleaning effect is poor. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a mechanical crawler for pipeline cleaning, which can penetrate into the pipeline and clean the inner wall of the pipeline, thereby ensuring the smooth flow of the pipeline.

[0005] The utility model is realized through the following technical scheme: a mechanical crawler for pipeline cleaning, including a walking structure for walking in the pipeline, and a cleaning device connected to the walking structure, the cleaning device including a cleaning disc, a cleaning power device for driving the cleaning disc to rotate, and a plurality of cleaning arms arranged on the cleaning disc and arranged in a circumferential direction, the other end of the cleaning arm extending to the inner wall of the pipeline.

[0006] When the present solution is in use, the cleaning device is driven into the pipeline by the walking mechanism, the cleaning disc is driven to rotate, and the cleaning disc drives the cleaning arm to rotate in the pipeline, so that the cleaning arm cleans the inner wall of the pipeline, thereby reducing the difficulty of cleaning the inner wall of the pipeline, facilitating the cleaning of the inner wall of the pipeline, and thus ensuring the smooth flow of the pipeline.

[0007] Preferably, the first fixed shaft of the power structure is connected to the second fixed shaft of the cleaning device via a universal shaft, and the cleaning disc is hinged on the second fixed shaft.

[0008] In this preferred solution, the universal shaft is provided to facilitate the walking device to drive the cleaning device to walk along the bend of the pipeline.

[0009] Preferably, the cleaning device further comprises a power disk coaxially arranged with the cleaning disk, and a plurality of first connecting rods hinged on the power disk and respectively arranged corresponding to the cleaning arms, the cleaning arms are hinged with second connecting rods, the first connecting rods are hinged with the corresponding first connecting rods, the cleaning disk is further provided with a slide groove corresponding to the cleaning arm and extending radially along the cleaning disk, and the cleaning arm is slidably connected in the slide groove;

[0010] The cleaning power device comprises a first motor which is arranged on the power disc and drives the cleaning disc to rotate, and a second motor which is arranged on the second fixed shaft and drives the power disc to rotate.

[0011] When this preferred solution is in use, the first motor is driven to drive the cleaning disk to rotate relative to the power disk, thereby increasing the angle between the first connecting rod and the second connecting rod. The second connecting rod will push the cleaning arm to move toward the inner wall of the pipe in the slide groove, so that the cleaning arm can be suitable for pipes of different diameters. When the cleaning arm is supported on the inner wall of the pipe, the first motor cannot continue to rotate. At this time, the second motor is driven to drive the power disk to rotate. The power disk drives the cleaning disk to rotate through the first motor, thereby realizing the rotation of the cleaning arm.

[0012] Preferably, the walking structure includes at least two support structures evenly arranged along the circumferential direction, the support structure includes a support foot that is pressed against the inner wall of the pipe, and a support leg connecting the support foot and the first fixed axis, the support foot includes a walking motor connected to the support leg, and two walking wheels arranged on the rotating shaft of the walking motor.

[0013] When the preferred solution is in use, the two supporting legs are both pressed against the inner wall of the pipe, thereby supporting the first fixed shaft. When the travel motor drives the travel wheel to rotate, the first fixed shaft moves in the pipe.

[0014] Preferably, the first fixed shaft includes a first shaft section, a second shaft section connected to the universal shaft, and a screw connecting the first shaft section and the second shaft section and having both ends hinged on the first shaft section and the second shaft section respectively, the first shaft section is provided with a screw motor that drives the screw to rotate, the screw is threadedly connected to a sliding disk that is coaxially arranged therewith, and the sliding disk is also penetrated by a plurality of guide rods arranged circumferentially and connected to the first shaft section and the second shaft section.

[0015] When this preferred solution is in use, the driving screw motor drives the screw to rotate, and under the guidance of the guide rod, the sliding plate moves along the axial direction of the first fixed axis, thereby adjusting the relative position of the support foot in the axial direction of the first fixed axis, thereby facilitating the adjustment of the position of the support foot.

[0016] Preferably, a fixed disk is fixedly connected to the first shaft section and the second shaft section, and a base disk is also fixedly connected to the first shaft section. Both ends of the guide rod are respectively fixedly connected to the base disk and the fixed disk. A support structure corresponding to the support structure on the sliding disk is provided on the base disk. The two supporting legs on the corresponding two supporting structures are correspondingly arranged. The corresponding two supporting legs are staggered, and a hinge shaft hinged to the two supporting legs is provided at the staggered position. The support legs on the sliding disk are hinged to the sliding disk, and the support legs on the base disk are hinged to the base disk.

[0017] When this preferred solution is in use, when the sliding disk slides, the angles of the two corresponding support legs change, thereby changing the angles between the support legs and the corresponding base disk, and between the support legs and the corresponding sliding disk, thereby increasing or decreasing the length of the support legs in the radial direction of the pipeline, so that the walking structure can also adapt to pipelines of different diameters.

[0018] Preferably, two walking structures are provided, and the cleaning device is located between the two walking structures.

[0019] This preferred solution facilitates stable support of the cleaning device by providing two walking structures.

[0020] Preferably, the cleaning device comprises a plurality of even-numbered cleaning discs arranged on the second fixed axis and arranged in sequence along the axial direction of the second fixed axis, and the number of the cleaning discs rotating clockwise is the same as the number of the cleaning discs rotating counterclockwise.

[0021] This preferred solution facilitates the cleaning effect of the pipeline by disposing a plurality of cleaning discs, and prevents the rotation of the cleaning discs from driving the walking device to rotate in the pipeline by setting the rotation direction of the cleaning discs.

[0022] Preferably, a detection module is further provided at one end of the first fixed shaft away from the universal shaft, and the detection module includes a detection disk, a camera and a sensor arranged on the detection disk, and a detection motor fixedly connected to the detection disk and with an output shaft extending radially along the detection disk, the output shaft of the detection motor is fixedly connected to the vertical plate, and a third motor is also fixedly connected to the first fixed shaft to drive the vertical plate to rotate along the axis of the first fixed shaft.

[0023] When the preferred solution is in use, the setting of the detection module makes it easy for the staff to understand the situation inside the pipeline, and the setting of the third motor and the detection motor facilitates the adjustment of the camera angle.

[0024] Preferably, the cleaning arm comprises a slide plate slidably connected in a slide groove, and a triangular prism-shaped cleaning block plugged into the slide plate.

[0025] This preferred solution facilitates cleaning the inner wall of the pipeline by using the conical structure formed between the two side surfaces of the triangular prism through the provision of the triangular prism-shaped cleaning block.

[0026] The utility model has the following beneficial effects: the cleaning device is driven into the pipeline by the walking mechanism, the cleaning disc is driven to rotate, and the cleaning disc drives the cleaning arm to rotate in the pipeline, so that the cleaning arm cleans the inner wall of the pipeline, thereby reducing the difficulty of cleaning the inner wall of the pipeline, facilitating the cleaning of the inner wall of the pipeline, and thus ensuring the smooth flow of the pipeline; the arrangement of the universal shaft facilitates the walking device to drive the cleaning device to walk along the turning part of the pipeline; when the sliding disc slides, the angles of the two corresponding supporting legs change, so that the angles between the supporting legs and the corresponding base disc, and between the supporting legs and the corresponding sliding disc change, thereby increasing or decreasing the length of the supporting legs in the radial direction of the pipeline, so that the walking structure can also adapt to pipelines of different diameters; the first motor is driven to drive the cleaning disc to rotate relative to the power disc, so that the angle between the first connecting rod and the second connecting rod becomes larger, and the second connecting rod will push the cleaning arm to move toward the inner wall of the pipeline in the slide groove, so that the cleaning arm can be applied to pipelines of different diameters. When the cleaning arm is supported on the inner wall of the pipeline, the first motor cannot continue to rotate, and at this time the second motor is driven to drive the power disc to rotate, and the power disc drives the cleaning disc to rotate through the first motor, thereby realizing the rotation of the cleaning arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0028] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model from another angle;

[0029] Figure 3 It is a three-dimensional schematic diagram of the walking structure;

[0030] Figure 4 It is a three-dimensional schematic diagram of the walking structure from another angle;

[0031] Figure 5 This is a left side view of the cleaning plate;

[0032] Figure 6 It is a right side view of the cleaning plate;

[0033] Figure 7 It is a three-dimensional schematic diagram of the structure of the utility model;

[0034] As shown in the figure:

[0035] 1. Cleaning device, 2. Walking structure, 3. Detection module, 4. Universal shaft, 11. Cleaning disc, 12. Power disc, 13. First connecting rod, 14. Second connecting rod, 15. Slide groove, 16. Cleaning block, 17. Slide plate, 21. Screw rod, 22. Guide rod, 23. Sliding disc, 24. Fixed disc, 25. Base disc, 26. Support leg, 27. Walking wheel, 28. Walking motor, 29. Articulated shaft, 31. Detection disc, 32. Third motor, 33. Detection motor. DETAILED DESCRIPTION

[0036] In order to clearly illustrate the technical features of this solution, this solution is described below through a specific implementation method.

[0037] Refer to the attached Figure 1-7 The utility model discloses a mechanical crawler for pipeline cleaning, comprising two walking structures 2 for walking in the pipeline, and a cleaning device 1 located between the two walking structures 2 and connected to both walking structures 2, wherein the walking structure 2 comprises a first fixed shaft extending axially along the pipeline, the cleaning device 1 comprises a second fixed shaft extending axially along the pipeline and coaxially arranged with the first fixed shaft, a universal shaft 4 is arranged between the first fixed shaft and the second fixed shaft, and the first fixed shaft and the second fixed shaft are both threadedly connected to the universal shaft 4.

[0038] The first fixed shaft is provided with four cleaning devices 1 arranged along its axial direction, the cleaning device 1 includes a cleaning disc 11 arranged coaxially with the first fixed shaft, and three cleaning arms arranged on the cleaning disc 11 and evenly arranged along the circumferential direction, the cleaning arm includes a slide plate 17 extending radially along the cleaning disc 11, and a triangular prism-shaped cleaning block 16 plugged into the slide plate 17, the side of the cleaning block 16 away from the slide plate 17 is a plane, so that the inner wall of the pipeline can be cleaned by utilizing the conical structure formed between the two sides of the triangular prism, and cleaning blocks of different shapes and structures can also be replaced according to different stain conditions to achieve better cleaning effects.

[0039] The cleaning device 1 also includes a power disk 12 coaxially arranged with the cleaning disk 11, and three first connecting rods 13 hinged on the power disk 12 and respectively arranged corresponding to the cleaning arms, a second connecting rod 14 is hinged on the cleaning arm, and the first connecting rod 13 is hinged to the corresponding first connecting rod 13. The cleaning disk 11 is also provided with a slide groove 15 corresponding to the slide plate 17 and extending radially along the cleaning disk 11, and the slide plate 17 is slidably connected in the slide groove 15.

[0040] The cleaning device 1 also includes a cleaning power device for driving the cleaning disc 11 to rotate. The cleaning power device includes a first motor disposed on the power disc 12 and driving the cleaning disc 11 to rotate, and a second motor disposed on the second fixed shaft and driving the power disc 12 to rotate.

[0041] The hinge points of the three first connecting rods and the power disk 12 are located on the same circle, and the hinge points of the three second connecting rods and the slide plate 17 are located on the same circle.

[0042] Four cleaning discs 11 are correspondingly arranged on the four cleaning devices 1, two of which rotate clockwise, two rotate counterclockwise, the cleaning arms on two adjacent cleaning discs 11 are staggered, and the cleaning arms on two cleaning discs 11 separated by one cleaning disc 11 are arranged in the correct position.

[0043] The first fixed shaft includes a first shaft section, a second shaft section connected to the universal shaft 4, and a screw 21 connecting the first shaft section and the second shaft section and hinged at both ends to the first shaft section and the second shaft section respectively. The first shaft section, the second shaft section and the screw 21 are coaxially arranged, and a screw motor for driving the screw 21 to rotate is provided on the first shaft section. Fixed disks 24 are fixedly connected to the first shaft section and the second shaft section. A base disk 25 located between the two fixed disks 24 is also fixedly connected to the first shaft section. The fixed disk 24 on the first shaft section is connected to the base disk 25 through a connecting rod, and a plurality of connecting rods are evenly arranged circumferentially.

[0044] The screw rod 21 is threadedly connected with a sliding plate 23 coaxially arranged therewith. The sliding plate 23 is also penetrated by a plurality of guide rods 22 evenly arranged along the circumferential direction. The guide rods 22 are respectively fixed to the base plate 25 and the fixed plate 24 of the second shaft section.

[0045] Three supporting structures are connected to the base plate 25 and the sliding plate 23. The three supporting structures are evenly arranged along the circumference. The supporting structures include supporting feet that are pressed against the inner wall of the pipe and supporting feet hinged to the supporting feet. One end of the supporting leg 26 away from the supporting foot is hinged to the base plate 25 / sliding plate 23.

[0046] The support foot includes a travel motor 28 connected to the support leg 26 , and two travel wheels 27 arranged on the rotating shaft of the travel motor 28 .

[0047] The supporting structures on the base plate 25 and the sliding plate 23 are respectively arranged correspondingly, the supporting legs 26 of the base plate 25 extend toward the sliding plate 23, and the supporting legs 26 of the sliding plate 23 extend toward the base plate 25. The two supporting legs 26 correspondingly arranged on the base plate 25 and the sliding plate 23 are staggered, and a hinge shaft 29 hinged to the two supporting legs 26 is provided at the staggered position.

[0048] A detection module 3 is also provided at one end of the first fixed shaft away from the universal shaft 4, and the detection module 3 includes a detection disk 31, a camera and a sensor arranged on the detection disk 31, and a detection motor 33 fixedly connected to the detection disk 31 and with an output shaft extending radially along the detection disk 31. The output shaft of the detection motor 33 is fixedly connected to the vertical plate. The first fixed shaft is also fixedly connected to a third motor 32 that drives the vertical plate to rotate along the axis of the first fixed shaft, that is, the third motor 32 is fixedly connected to the first shaft section, and the output shaft of the third motor 32 is fixedly connected to the vertical plate.

[0049] When the utility model is used, the whole device is first placed into the pipeline, and then the angle of the support leg 26 and the sliding length of the slide plate 17 are adjusted according to the diameter of the pipeline;

[0050] The first motor is driven to drive the cleaning disc 11 to rotate relative to the power disc 12, so that the angle between the first connecting rod 13 and the second connecting rod 14 becomes larger, and the second connecting rod 14 pushes the cleaning arm to move toward the inner wall of the pipeline in the slide groove 15, so that the cleaning arm can be applied to pipelines of different diameters. When the cleaning arm is supported on the inner wall of the pipeline, the first motor cannot continue to rotate. At this time, the second motor is driven to drive the power disc 12 to rotate, and the power disc 12 drives the cleaning disc 11 to rotate through the first motor, thereby realizing the rotation of the cleaning arm;

[0051] The screw motor is driven to rotate the screw rod 21. Under the guidance of the guide rod 22, the sliding plate 23 moves along the axial direction of the first fixed axis. At this time, the distance between the base plate 25 and the sliding plate 23 increases or decreases, and the angles of the two corresponding support legs 26 change, so that the angles between the support legs 26 and the corresponding base plate 25 and the support legs 26 and the corresponding sliding plate 23 change, thereby increasing or decreasing the length of the support legs 26 in the radial direction of the pipeline, so that the walking structure 2 can also adapt to pipelines of different diameters;

[0052] Then, the travel motor 28 is driven to drive the travel wheel 27 to rotate, thereby driving the cleaning disc 11 to move along the axial direction of the pipeline, thereby achieving cleaning of the pipeline.

[0053] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved by or by adopting the existing technology, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not deviate from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A mechanical crawler for pipeline cleaning, characterized in that: The invention comprises a walking structure (2) for walking in a pipeline, and a cleaning device (1) connected to the walking structure (2), wherein the cleaning device (1) comprises a cleaning disc (11), a cleaning power device for driving the cleaning disc (11) to rotate, and a plurality of cleaning arms arranged on the cleaning disc (11) and arranged in a circumferential direction, wherein the other end of the cleaning arm extends to the inner wall of the pipeline.

2. The mechanical crawler for pipeline cleaning according to claim 1, characterized in that: The first fixed shaft of the power device is connected to the second fixed shaft of the cleaning device (1) via a universal shaft (4), and the cleaning disc (11) is hinged on the second fixed shaft.

3. The mechanical crawler for pipeline cleaning according to claim 2, characterized in that: The cleaning device (1) further comprises a power disk (12) coaxially arranged with the cleaning disk (11), and a plurality of first connecting rods (13) hingedly connected to the power disk (12) and respectively arranged corresponding to the cleaning arms, the cleaning arms being hingedly connected to second connecting rods (14), the first connecting rods (13) being hingedly connected to corresponding first connecting rods (13), the cleaning disk (11) being further provided with sliding grooves (15) corresponding to the cleaning arms and extending radially along the cleaning disk (11), the cleaning arms being slidably connected in the sliding grooves (15); The cleaning power device comprises a first motor which is arranged on the power disk (12) and drives the cleaning disk (11) to rotate, and a second motor which is arranged on the second fixed shaft and drives the power disk (12) to rotate.

4. The mechanical crawler for pipeline cleaning according to claim 2, characterized in that: The walking structure (2) comprises at least two support structures evenly arranged along the circumferential direction, the support structure comprising a support foot that is pressed against the inner wall of the pipe, and a support leg (26) connecting the support foot and the first fixed shaft, the support foot comprising a walking motor (28) connected to the support leg (26), and two walking wheels (27) arranged on the rotating shaft of the walking motor (28).

5. The mechanical crawler for pipeline cleaning according to claim 4, characterized in that: The first fixed shaft comprises a first shaft section, a second shaft section connected to the universal shaft (4), and a screw rod (21) connecting the first shaft section and the second shaft section and having two ends hinged to the first shaft section and the second shaft section respectively. The first shaft section is provided with a screw motor for driving the screw rod (21) to rotate. The screw rod (21) is threadedly connected to a sliding disk (23) coaxially arranged therewith. The sliding disk (23) is also provided with a plurality of guide rods (22) arranged in a circumferential direction and connected to the first shaft section and the second shaft section.

6. The mechanical crawler for pipeline cleaning according to claim 5, characterized in that: A fixed disk (24) is fixedly connected to the first shaft section and the second shaft section, and a base disk (25) is also fixedly connected to the first shaft section. The two ends of the guide rod (22) are respectively fixedly connected to the base disk (25) and the fixed disk (24). The base disk (25) is provided with a support structure corresponding to the support structure on the sliding disk (23). The two support legs (26) on the two corresponding support structures are arranged correspondingly. The two corresponding support legs (26) are arranged staggered, and a hinge shaft (29) hinged to the two support legs (26) is provided at the staggered position. The support leg (26) on the sliding disk (23) is hinged to the sliding disk (23), and the support leg (26) on the base disk (25) is hinged to the base disk (25).

7. The mechanical crawler for pipeline cleaning according to claim 1, characterized in that: Two walking structures (2) are provided, and the cleaning device (1) is located between the two walking structures (2).

8. The mechanical crawler for pipeline cleaning according to claim 1, characterized in that: The cleaning device (1) comprises a plurality of even-numbered cleaning discs (11) arranged on a second fixed body and arranged in sequence along the axial direction of the second fixed body, and the number of the cleaning discs (11) rotating clockwise is the same as the number of the cleaning discs (11) rotating counterclockwise.

9. The mechanical crawler for pipeline cleaning according to claim 2, characterized in that: A detection module (3) is also provided at one end of the first fixed shaft away from the universal shaft (4), the detection module (3) comprising a detection disk (31), a camera and a sensor arranged on the detection disk (31), and a detection motor (33) fixedly connected to the detection disk (31) and having an output shaft extending radially along the detection disk (31), the output shaft of the detection motor (33) being fixedly connected to the vertical plate, and a third motor (32) being fixedly connected to the first fixed shaft and driving the vertical plate to rotate along the axis of the first fixed shaft.

10. The mechanical crawler for pipeline cleaning according to claim 4, characterized in that: The cleaning arm comprises a slide plate (17) slidably connected in a slide groove (15), and a triangular prism-shaped cleaning block (16) plugged into the slide plate (17).

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