CN212121097U - Cleaning device for conveying pipeline - Google Patents

Abstract

The utility model provides a cleaning device for pipeline, include: a base; the first bracket is arranged on the base, and a rotary cleaning mechanism is arranged on the first bracket; the second bracket is arranged on the base and is distributed at intervals with the first bracket, and a power mechanism for providing driving force is arranged on the second bracket; the sleeve is connected to the output end of the power mechanism, and a rotating rod capable of moving along the axial direction of the sleeve is arranged in the sleeve; wherein, the first end of rotary rod pass first support and with rotatory clearance mechanism fixed connection, and the rotary rod constructs to rotate along with the sleeve pipe is synchronous to can drive rotatory clearance mechanism and rotate under power unit's effect, clear up with the scale deposit thing on the inner wall to pipeline, first support and second support all construct and to follow the direction of height and adjust, thereby adjust the clearance height of rotatory clearance mechanism.

Description

Cleaning device for conveying pipeline

Technical Field

The utility model relates to a pipeline technical field for the oil field exploitation specifically relates to a cleaning device for pipeline.

Background

In the oil gas collection process, after the crude oil pipeline is in service in an oil gas water medium environment for a period of time, a mixture of paraffin, colloid, condensed oil, sand and other impurities which are difficult to flow can be deposited on the inner wall of the pipeline, so that scaling substances are formed on the inner wall. Therefore, the problems that the actual oil pipe diameter is reduced, the conveying capacity is weakened, the friction resistance is increased and the like exist in the conveying pipeline, the energy consumption of the acquisition system is seriously increased, and the conveying quality of the conveying pipeline is reduced. The occurrence of corrosion and scaling phenomena of pipelines not only seriously affects the yield and normal transportation of crude oil, but also affects the stable production of oil fields. For example, the crude oil transported in the tower river oil field is thick oil, the wax content is high, the phenomenon of wax deposition on the pipe wall is particularly obvious during transportation, and even the crude oil loses fluidity in severe cases, so that serious accidents of pipe condensation are caused. Therefore, it is important to periodically clean the crude oil transportation pipeline.

In the prior art, common methods for cleaning a crude oil pipeline are divided into a physical method and a chemical method. Wherein, the chemical method is to add a surfactant or a wax crystal modifier into the crude oil to prevent wax crystals from coagulating or continuously depositing. However, the chemical method has high cost and poor economical efficiency. The physical method adopts a pipe cleaner for cleaning pipes, and the principle is that the pipe cleaner (also called a pipe cleaning ball) is sent into a crude oil pipeline and moves in the pipeline along with the crude oil transportation. When the pipeline conveying medium pushes the pipeline cleaner to advance, the pipeline cleaner or a tool carried by the pipeline cleaner can generate scraping and scouring effects on the pipeline wall, so that scales or deposits in the pipeline are removed. At present, the problems of corrosion and scaling of pipeline equipment in the oil field production process in China are more and more serious. However, the existing pipe cleaner cannot effectively remove scale, and the pipe cleaning process by adopting a physical method is multiple, high in cost and poor in pipe cleaning effect. In addition, the inner walls of the pipelines with different inner diameters cannot be cleaned by the existing pipe cleaner, the pipe cleaning workload is large, the process is complex, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the technical problem as above, the utility model aims at providing a cleaning device for pipeline, this cleaning device can carry out the efficient clearance to the corruption scaling thing on the pipeline inner wall to can be used for the pipeline of different internal diameters, its suitability is strong.

Therefore, according to the utility model provides a cleaning device for pipeline, include: a base; the first bracket is arranged on the base, and a rotary cleaning mechanism is arranged on the first bracket; the second support is arranged on the base and is distributed at intervals with the first support, and a power mechanism for providing driving force is arranged on the second support; the sleeve is connected to the output end of the power mechanism, and a rotating rod capable of moving along the axial direction of the sleeve is arranged in the sleeve; the first end of the rotary rod penetrates through the first support and is fixedly connected with the rotary cleaning mechanism, the rotary rod is constructed to rotate synchronously with the sleeve, so that the rotary cleaning mechanism can be driven to rotate under the action of the power mechanism to clean scaling substances on the inner wall of the conveying pipeline, and the first support and the second support are constructed to be capable of being adjusted in the height direction so as to adjust the cleaning height of the rotary cleaning mechanism.

In one embodiment, the first support structure is formed to include a door frame fixedly connected to the base and a lifting plate, and the lifting plate is connected to the door frame in a sliding fit manner to adjust the supporting height of the first support.

In one embodiment, the rotating rod penetrates through the lifting disc and is in threaded connection with the lifting disc, so that the rotating rod can move in the axial direction while rotating to clean different inner wall areas of the conveying pipeline.

In one embodiment, the rotary cleaning mechanism comprises a rotary disk fixedly connected with the rotary rod and a plurality of cleaning arms uniformly and circumferentially connected to the rotary disk, each cleaning arm comprises a fixed rod fixedly connected with the rotary disk, a movable rod in sliding fit connection with the fixed rod, and a scraper arranged at a first end of the movable rod, and the cleaning arms rotate with the rotary rod through the rotary disk so as to drive the scrapers to clean the inner wall of the conveying pipeline.

In one embodiment, a through groove extending along the axial portion is formed in the middle of the fixed rod, adjusting screws distributed along the axial direction are arranged in the through groove, a linkage block is arranged at the second end of the movable rod, the linkage block is arranged in the through groove and in threaded connection with the adjusting screws, and the adjusting screws can enable the linkage block to slide along the through groove by rotating, so that the movable rod is driven to move in a telescopic mode along the axial direction of the fixed rod, and the rotary cleaning mechanism can be used for conveying pipelines with different inner diameters.

In one embodiment, an end of the adjusting screw remote from the rotating disc axially protrudes out of an end of the fixing rod, and a screw block is fixedly connected, by which the adjusting screw can be rotated.

In one embodiment, be equipped with on the terminal surface of the first end of movable rod along the axial extension's rectangular channel, the flexible slider of scraper blade fixedly connected with, flexible slider is installed the rectangular channel just can be followed the movable rod axial is flexible the rectangular channel with be equipped with the spacing hole of axial extension's direction on the lateral wall that the dead lever is relative, flexible slider's afterbody is equipped with the stopper, the stopper adaptation is installed in the spacing hole of direction, thereby it is right flexible slider carries on spacingly.

In one embodiment, a compression spring is arranged in the rectangular groove, one end of the compression spring abuts against the bottom of the rectangular groove, the other end of the compression spring abuts against the end part of the telescopic sliding block, and the scraper can perform telescopic movement along the axial direction of the movable rod under the action of the compression spring so as to be tightly attached to the inner wall of the conveying pipeline.

In one embodiment, the second bracket comprises an electric telescopic rod fixedly connected with the base and a mounting seat fixedly connected with the electric telescopic rod, the mounting seat is used for mounting the power mechanism, the electric telescopic rod can adjust the height of the power mechanism, and the power mechanism can adjust the height of the rotary cleaning mechanism through the sleeve and the rotary rod.

In one embodiment, a limit sliding groove extending along the axial portion is formed in the side wall of the sleeve, and a limit sliding block is arranged at the second end of the rotating rod and is fittingly installed in the limit sliding groove, so that the rotating rod can synchronously rotate along with the sleeve.

Compared with the prior art, the utility model discloses a have a bit and lie in:

according to the utility model discloses a cleaning device for pipeline can highly adjust according to the pipeline of treating the clearance, its easy operation, and the suitability is strong, is favorable to very much improving cleaning efficiency. The length of the cleaning arm of the rotary cleaning mechanism can be adjusted in a telescopic mode according to the inner diameter of the conveying pipeline to be detected, so that the cleaning device can clean the inner walls of pipelines with different inner diameters, and the applicability and flexibility of the cleaning device are greatly improved. Rotatory clearance mechanism adopts the scraper blade to treat the scale deposit on the inner wall of the pipeline of clearing up and carries out rotatory scraping to the scraper blade constructs to have elasticity in footpath, thereby forms the elasticity support between messenger's scraper blade and the pipeline's of treating the clearance the internal face, with the in close contact with between assurance doctor blade and the pipeline internal face in the clearance process, has improved cleaning efficiency greatly, has strengthened the clearance effect. In addition, rotatory clearance mechanism can realize axial concertina movement in the pivoted to constantly advancing when the inner wall of the pipeline that treats the clearance is strikeed off in the rotation and clearing up in proper order in order to the inner wall region of pipeline's difference, showing the cleaning efficiency who has improved cleaning device. The cleaning device is simple in structure, can be used for cleaning conveying pipelines with different inner diameters, can be adjusted in height according to actual needs, is high in applicability and flexibility, saves energy, reduces consumption, is good in continuity, greatly improves cleaning efficiency, and enhances cleaning effect.

Drawings

The present invention will be described with reference to the accompanying drawings.

Fig. 1 shows the structure of a cleaning device for conveying pipes according to the present invention.

Fig. 2 schematically shows a coupling structure of the sleeve and the rotary rod in the cleaning apparatus shown in fig. 1.

Fig. 3 shows a structure of a first bracket in the cleaning apparatus shown in fig. 1.

Fig. 4 shows the structure of the second holder in the cleaning apparatus shown in fig. 1.

FIG. 5 is a view of a cleaning arm of the cleaning apparatus shown in FIG. 1.

Figure 6 is another view of the cleaning arm shown in figure 5.

In the present application, all the figures are schematic and are only intended to illustrate the principles of the present invention and are not drawn to scale.

Detailed Description

The present invention will be described with reference to the accompanying drawings.

In this application, it should be noted that the end of the cleaning device for a conveying pipeline close to the conveying pipeline when in use is defined as "front end" or similar terms, and the end far away from the conveying pipeline is defined as "rear end" or similar terms. In addition, directional terms or qualifiers "up", "down", and the like used in the present application are with reference to fig. 1. They are not intended to limit the absolute positions of the parts involved, but may vary from case to case.

Fig. 1 shows the structure of a cleaning device 100 for a conveying pipe according to the present invention. As shown in fig. 1, the cleaning apparatus 100 includes a base 10. The base 10 is configured in a rectangular plate shape, and the front end of the base 10 is configured in a circular arc shape to facilitate the installation of the cleaning device 100. The base 10 is fixedly connected with a first bracket 20 and a second bracket 30, the first bracket 20 and the second bracket 40 are distributed at a distance from each other, and the first bracket 20 is located at the front end of the second bracket 40. The cleaning device 100 further comprises a rotary cleaning mechanism 30 for cleaning the inner wall of the conveying pipeline, and a power mechanism 50 for providing a driving force. In one embodiment, power mechanism 50 is a drive motor. The first bracket 10 is used for installing and distributing the rotary cleaning mechanism 30, and the second bracket 40 is used for installing the power mechanism 50.

According to the utility model discloses, cleaning device 100 still includes the sleeve pipe 60 of connection at power unit 50's output, still is equipped with rotary rod 70 in sleeve pipe 60, and rotary rod 70 can be in sleeve pipe 60's inside along sleeve pipe 60 axial motion. Fig. 2 schematically shows an enlarged view of the coupling structure of the sleeve 60 and the rotating rod 70. In one embodiment, a limit sliding groove 61 extending along an axial portion is formed on a side wall of the sleeve 60, and a limit sliding block 71 is formed at a second end of the rotating rod 70, and the limit sliding block 71 is fittingly installed in the limit sliding groove 61, so that the rotating rod 70 can rotate synchronously with the sleeve 60. The first end (the right end in fig. 1) of the rotating rod 70 passes through the first bracket 20 and is fixedly connected with the rotary cleaning mechanism 30, so that the rotating rod 70 can drive the rotary cleaning mechanism 30 to rotate under the action of the power mechanism 50, so as to clean the scales on the inner wall of the conveying pipeline.

As shown in fig. 3, the first bracket 20 is configured to include a gate frame 21 and a lifting plate 22 mounted on the gate frame 21. The door-shaped frame 21 comprises two vertical rods fixedly connected with the base 10 and a connecting rod connected with the two vertical rods, and a through groove penetrating through the connecting rod is arranged in the middle of the connecting rod. The lifting disc 22 is fixedly connected with a lifting sliding plate 23, and the lifting sliding plate 23 passes through the through groove for installation connection, so that the sliding fit connection is formed between the lifting disc 22 and the door-shaped frame 21. The elevation slide plate 23 can move up and down along the through groove to adjust the height of the elevation tray 22. The lower end of the lifting sliding plate 23 is provided with a limit baffle 24, and the limit baffle 24 and the lifting sliding plate 23 are arranged at a right angle and used for blocking and limiting the lifting sliding plate 23 so as to prevent the lifting sliding plate 2 from separating from the portal frame 21.

In the present embodiment, the elevating tray 22 is configured in a disc shape, and a screw through-hole 221 is provided at the center of the elevating tray 22. The outer surface of the rotating rod 70 is provided with external threads so that the rotating rod 70 is threadedly coupled with the elevating plate 22. As the rotating lever 70 rotates, the rotating lever 70 is able to move axially relative to the lifting plate 22. Therefore, the rotating rod 70 can move along the axial direction while rotating, so as to drive the rotating cleaning mechanism 30 connected to the first end of the rotating rod 70 to move axially, and thus different inner wall areas of the conveying pipeline are cleaned. Furthermore, this configuration of the first bracket 20 enables an axial support effect for the cleaning arm 32 (see below) arranged at the first end of the rotary rod 70.

As shown in fig. 4, the second bracket 40 includes an electric telescopic rod 41 fixedly connected to the base 10, and a mounting seat 42 is provided at an upper end of the electric telescopic rod 41, and the mounting seat 42 is used for mounting the power mechanism 50. In order to ensure the stability of the second bracket 40, two electric telescopic rods 41 are provided. The electric telescopic rod 41 can telescopically adjust the height of the mounting seat 42. The mount 42 is configured to include a horizontal push plate 421 and a vertical seat plate 422 vertically connected to the horizontal push plate 421. Horizontal push plate 421 is arranged horizontally and is fixedly connected with the upper end of electric telescopic rod 41, power unit 50 is fixedly mounted on vertical seat plate 422, and the output end extends along the horizontal direction.

In the actual use process, the electric telescopic rod 41 is connected with a power supply and controls the electric telescopic rod 41 to extend or retract through a control switch, so that the horizontal height of the mounting seat 42 is adjusted, and the height of the power mechanism 50 is adjusted according to actual needs. Meanwhile, the lifting disc 22 and the rotary cleaning mechanism 30 are driven by the rotating rod 70 and the sleeve 60 to move upwards or downwards synchronously, so that the height of the rotary cleaning mechanism 30 is adjusted.

According to the utility model discloses, rotatory clearance mechanism 30 includes that rotary disk 31 and a plurality of evenly distributed set up the clearance arm 32 on rotary disk 31. The rotating disk 31 is fixedly connected to a first end of the rotating rod 70 so as to be capable of rotating synchronously with the rotating rod 70. The cleaning arms 32 are fixedly connected to the rotary disc 31, and in the embodiment shown in fig. 1, the rotary cleaning mechanism 30 is provided with 4 cleaning arms 32. The cleaning arm 32 is driven by the power mechanism 50 to rotate, so that the scales on the inner wall of the conveying pipeline are cleaned.

Fig. 5 schematically shows a view from one perspective of the cleaning arm 32. As shown in fig. 5, the cleaning arm 32 includes a fixed bar 33, a movable bar 34 connected to one side of the fixed bar 33, and a squeegee 35 connected to a first end of the movable bar 34. In one embodiment, the squeegees 35 are configured as cambered squeegees. One end (lower end in fig. 5) of the fixing lever 33 is fixedly connected to the rotating disk 31. The movable rod 34 is connected with the fixed rod 33 in a sliding fit manner, and the movable rod 34 can extend or retract along the axial direction of the fixed rod 33. Therefore, the rotary cleaning mechanism 30 can clean the inner walls of the conveying pipelines with different inner diameters, and the applicability of the cleaning device 100 is obviously enhanced.

In the present embodiment, a through groove 331 penetrating the fixing lever 33 is provided at the middle portion of the fixing lever 33, and the through groove 331 extends along an axial portion of the fixing lever 33 to form a rectangular slideway. An adjusting screw 36 is provided in the through slot 331, and the adjusting screw 36 is mounted in the through slot 331 through a bearing (not shown) with a bearing block, thereby forming a rotational connection with the fixing rod 33. Meanwhile, a linkage block 37 is provided at a second end of the movable bar 34, and the linkage block 37 is disposed perpendicular to the movable bar 34. The link block 37 is provided with a threaded hole extending in the axial direction of the movable rod 34. The linkage block 37 is installed in the through groove 331 and sleeved on the adjusting screw 36 through a threaded hole, so that a threaded connection is formed between the linkage block 37 and the adjusting screw 36. Thus, rotating the adjusting screw 36 can move the linkage block 37 along the rectangular slideway, and drive the movable rod 34 to move telescopically along the axial direction of the fixed rod 33.

As shown in fig. 5, an end of the adjusting screw 36 remote from the rotary disk 31 axially protrudes out of an end of the fixing rod 33. A screw 361 is fixedly connected to the extending end of the fixing rod 33. In the actual use process, according to the inner diameter size of the conveying pipeline, the screwing block 361 is rotated to rotate the adjusting screw 36, so that the linkage block 37 axially moves along the adjusting screw 36 and drives the movable rod 34 to extend or retract, and the rotary cleaning mechanism 30 is adapted to conveying pipelines with different inner diameters to clean.

Fig. 6 schematically shows another perspective view of the cleaning arm 32. As shown in fig. 6, a rectangular groove 341 extending in the axial direction of the movable lever 34 is provided on the end surface of the first end of the movable lever 34. A guide limit hole 342 is provided in a side wall of the rectangular groove 341 opposite to the fixed lever 36, and the guide limit hole 342 extends along an axial portion of the movable lever 34. As shown in fig. 6, a telescopic slider 38 is fixedly connected to the scraper 35, and the telescopic slider 38 is installed in the rectangular groove 341 and can be telescopically moved in the axial direction of the movable rod 34, thereby connecting the scraper 35 to the first end of the movable rod 34. The tail of the telescopic sliding block 38 is provided with a limit block 381, and the limit block 381 is perpendicular to the telescopic sliding block 38. The limiting block 381 is fittingly installed in the guiding limiting hole 342, and is used for limiting the telescopic slider 38 to prevent the scraper 35 from falling off.

According to the utility model discloses, be equipped with compression spring 39 in rectangular channel 341, compression spring 39's one end supports and leans on in the bottom of rectangular channel 341, and the other end supports and leans on the tip that is equipped with the one end of stopper 381 at flexible slider 38. Thereby, the squeegee 35 is allowed to move telescopically in the axial direction of the movable rod 34 by the compression spring 39. This makes the scraper 35 contact the inner wall of the conveying pipe and has a certain elastic support, so that the scraper 35 is in close contact with the inner wall of the conveying pipe, and the cleaning effect is remarkably improved.

In actual use, the projecting sizes of the plurality of cleaning arms 32 are adjusted simultaneously in accordance with the inner diameter of the conveying pipe to be cleaned, and the projecting sizes of the plurality of cleaning arms 32 are adjusted to be the same. The cleaning arms 32 are rotated synchronously by the rotating disc 31 to enable the corresponding scrapers 35 to clean the inner wall of the conveying pipeline.

According to the utility model discloses a cleaning device 100 for pipeline is when the field usage, at first, according to the pipeline of treating the clearance put highly to the clearance height of rotatory clearance mechanism 30 adjust. The electric telescopic rod 41 is controlled to extend or retract through the control switch, so that the horizontal height of the mounting seat 42 is adjusted, and the height of the power mechanism 50 is adjusted. The power mechanism 50 drives the lifting disc 22 and the rotary cleaning mechanism 30 to move up or down synchronously through the sleeve 60 and the rotary rod 70, so that the height adjustment of the rotary cleaning mechanism 30 is completed. Meanwhile, the lifting disc 22 is lifted under the action of the rotating rod 70 to adjust the cleaning height of the rotary cleaning mechanism 30, and the rotary cleaning mechanism 30 is supported and limited by the gantry 21. Then, according to the inner diameter of the conveying pipeline to be cleaned, the screwing block 361 is screwed to rotate the adjusting screw 36, so that the linkage block 37 axially moves along the adjusting screw 36 and drives the movable rod 34 to extend or retract, the outer diameter of the scraper 35 is adjusted to be suitable for conveying pipelines with different pipe diameters, and the outermost end of the scraper 35 is attached to the inner wall of the conveying pipeline. Then, the power mechanism 50 is turned on and drives the sleeve 60 to rotate, and the rotating rod 70 is driven to rotate synchronously, so that the rotating rod 70 drives the rotary cleaning mechanism 30 to rotate to clean the inner wall of the conveying pipeline. Under the effect of the threaded connection formed between the rotary rod 70 and the lifting disc 22, the rotary rod 70 moves in the axial direction while rotating, so as to drive the rotary cleaning mechanism 30 to move axially, thereby cleaning different inner wall areas of the conveying pipe in sequence.

According to the utility model discloses a cleaning device 100 for pipeline can highly adjust according to the pipeline of treating the clearance, and its easy operation, the suitability is strong, is favorable to very much improving cleaning efficiency. The length of the cleaning arm 32 of the rotary cleaning mechanism 30 can be adjusted in a telescopic manner according to the inner diameter of the conveying pipeline to be detected, so that the cleaning device 100 can clean the inner walls of pipelines with different inner diameters, and the applicability and flexibility of the cleaning device 100 are greatly improved. Rotatory clearance mechanism 30 adopts scraper 35 to treat the scale deposit on the inner wall of the pipeline of clearing up and rotationally scrapes to scraper 35 constructs to have elasticity in footpath, thereby forms the elasticity support between messenger's scraper 35 and the pipeline's of treating the clearance the internal face, with guarantee at the in-process in clearance between scraper 35 and the pipeline internal face in close contact with, has improved cleaning efficiency greatly, has strengthened the clearance effect. In addition, the rotary cleaning mechanism 30 can realize axial telescopic movement while rotating, thereby continuously advancing while rotationally scraping the inner wall of the conveying pipeline to be cleaned so as to sequentially clean different inner wall areas of the conveying pipeline, and significantly improving the cleaning efficiency of the cleaning device 100. This cleaning device 100 simple structure can be used for the clearance of the pipeline of different internal diameters, and the height-adjusting can be adjusted according to actual need, and its suitability is strong, and the flexibility is strong, and energy saving and consumption reduction, and the continuity is good, has improved cleaning efficiency greatly, has strengthened the clearance effect.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention in any way. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cleaning device for a conveying pipe, comprising:

a base (10);

a first bracket (20) arranged on the base, wherein a rotary cleaning mechanism (30) is arranged on the first bracket;

the second bracket (40) is arranged on the base and is distributed at intervals with the first bracket, and a power mechanism (50) for providing driving force is arranged on the second bracket; and

the sleeve (60) is connected to the output end of the power mechanism, and a rotating rod (70) capable of moving along the axial direction of the sleeve is arranged in the sleeve;

wherein the first end of the rotating rod penetrates through the first bracket and is fixedly connected with the rotary cleaning mechanism, and the rotating rod is constructed to synchronously rotate along with the sleeve, so that the rotary cleaning mechanism can be driven to rotate under the action of the power mechanism to clean the scaling substances on the inner wall of the conveying pipeline,

the first bracket and the second bracket are each configured to be adjustable in height to adjust a cleaning height of the rotary cleaning mechanism.

2. The cleaning device according to claim 1, wherein the first support structure is configured to include a door frame (21) fixedly connected to the base and a lifting plate (22), and the lifting plate is connected to the door frame in a sliding fit manner to adjust a supporting height of the first support.

3. The cleaning device as claimed in claim 2, wherein the rotating rod passes through the lifting disc and is in threaded connection with the lifting disc, so that the rotating rod can move in an axial direction while rotating to clean different inner wall areas of the conveying pipeline.

4. The cleaning apparatus as claimed in any of claims 1 to 3, characterized in that the rotating cleaning mechanism comprises a rotating disc (31) fixedly connected with the rotating bar and a plurality of cleaning arms (32) circumferentially equispaced on the rotating disc,

the cleaning arm comprises a fixed rod (33) fixedly connected with the rotating disk, a movable rod (34) connected with the fixed rod in a sliding fit mode, and a scraper (35) arranged at the first end of the movable rod, and the cleaning arm rotates along with the rotating rod through the rotating disk so as to drive the scraper to clean the inner wall of the conveying pipeline.

5. Cleaning device according to claim 4, characterized in that a through groove (331) extending in axial direction is provided in the middle of the stationary bar, in which through groove axially distributed adjusting screws (36) are provided, and in that a linkage block (37) is provided at the second end of the movable bar,

the linkage block is installed in the through groove and in threaded connection with the adjusting screw rod, and the adjusting screw rod is rotated to enable the linkage block to slide along the through groove, so that the movable rod is driven to move in a telescopic mode along the axial direction of the fixed rod, and the rotary cleaning mechanism can be used for conveying pipelines with different inner diameters.

6. The cleaning device as claimed in claim 5, characterized in that the end of the adjusting screw remote from the rotary disk projects axially beyond the end of the fixing rod and is fixedly connected with a screw block (361) by means of which the adjusting screw can be rotated.

7. The cleaning device according to claim 4, wherein a rectangular groove (341) extending in the axial direction is provided on an end surface of the first end of the movable rod, a telescopic slider (38) is fixedly connected to the scraper, the telescopic slider is installed in the rectangular groove and can be extended and retracted in the axial direction of the movable rod,

the rectangular channel with be equipped with axially extended direction spacing hole (342) on the lateral wall that the dead lever is relative, telescopic sliding block's afterbody is equipped with stopper (381), the stopper adaptation is installed in the spacing hole of direction, thereby it is right telescopic sliding block carries on spacingly.

8. The cleaning device according to claim 7, characterized in that a compression spring (39) is arranged in the rectangular groove, one end of the compression spring is abutted against the bottom of the rectangular groove, the other end of the compression spring is abutted against the end part of the telescopic slide block, and the scraper can be moved in a telescopic manner along the axial direction of the movable rod under the action of the compression spring so as to be tightly attached to the inner wall of the conveying pipeline.

9. The cleaning device according to claim 1, wherein the second bracket comprises an electric telescopic rod (41) fixedly connected with the base and a mounting seat (42) fixedly connected with the electric telescopic rod, the mounting seat is used for mounting the power mechanism,

the height of the power mechanism can be adjusted through the electric telescopic rod, and the power mechanism can be adjusted in height through the sleeve and the rotary rod.

10. The cleaning device as claimed in claim 1, wherein a limit sliding groove (61) extending along an axial portion is formed on a side wall of the sleeve, and a limit slider (71) is disposed at the second end of the rotating rod, and the limit slider is adapted to be mounted in the limit sliding groove, so that the rotating rod can rotate synchronously with the sleeve.

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