Coating waste gas pipeline cleaning device

Abstract

The invention relates to the technical field of pipeline cleaning, in particular to a coating waste gas pipeline cleaning device which comprises a rotary driving set. The device further comprises a fixed adjusting set, the fixed adjusting set is connected to the rotary driving set, the fixed adjusting set comprises a positioning pipe detachably installed on the rotary driving set, and an adjusting component is connected to the positioning pipe. The multiple spliced cleaning sets adopted by the cleaning device can be correspondingly spliced according to the length of a pipeline needing to be cleaned, the use flexibility of the cleaning device is effectively improved, the multiple spliced cleaning sets can be placed in the pipeline in the splicing process, the working space needed by the cleaning device penetrating into the pipeline is effectively reduced, and the cleaning device is convenient to use. And operation of operators is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline cleaning, and in particular to a coating exhaust gas pipeline cleaning device. Background Art

[0002] Exhaust gas pipelines are systems used to collect, transport and treat exhaust gas generated during industrial production processes. Such systems are used in many industries, such as chemical industry, electronic manufacturing (especially coating process), pharmaceutical industry, etc.

[0003] After the exhaust gas pipeline has been used for a long time, dust and other particles contained in the exhaust gas will remain on the inner wall of the exhaust gas pipeline. Therefore, the inner wall of the exhaust gas pipeline needs to be cleaned. The existing technology usually adopts a cleaning method of compressed air blowing when cleaning the exhaust gas pipeline. A cleaning pipe with a through hole in the pipe wall is passed into the exhaust gas pipeline and driven to rotate and reciprocate. Then nitrogen is introduced into the cleaning pipe, and the nitrogen is sprayed out from the through hole of the cleaning pipe to clean the inner wall of the exhaust gas pipeline. However, the existing cleaning pipe usually adopts an integrated molding method. When cleaning a long exhaust gas pipeline, the installation of the cleaning pipe requires a long working space, and the long cleaning pipe is relatively heavy, which is not conducive to the operation of the operator. In order to avoid the long cleaning pipe from bending in the exhaust gas pipeline, the existing technology is to weld a support frame on the surface of the cleaning pipe. The size of the support frame is fixed and can only be used for exhaust gas pipes of a specific size, and its applicability is low.

[0004] Therefore, there is an urgent need to provide a pipe cleaning device that can be adjusted accordingly according to the diameter and length of the exhaust pipe. Summary of the invention

[0005] Based on this, it is necessary to provide a coating exhaust pipe cleaning device, which aims to solve the problems caused by existing cleaning equipment when cleaning the inner wall of the pipe.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme to achieve: a coated exhaust gas pipeline cleaning device, including: a rotating drive group.

[0007] It also includes a fixed adjustment group, which is connected to the rotation drive group. The fixed adjustment group includes a positioning tube that can be detachably mounted on the rotation drive group, and the positioning tube is connected to an adjustment component.

[0008] The splicing cleaning group is also included. The splicing cleaning groups are provided with multiple and can be detached from each other. The splicing cleaning group close to the positioning tube is connected to the positioning tube. The splicing cleaning group includes a cleaning tube arranged at one end of the positioning tube. A plurality of spirally distributed jet holes are opened on the wall of the cleaning tube. The rotating driving group drives the positioning tube and the cleaning tube through which the cleaning gas passes to rotate. The plurality of rotating jet holes spray the cleaning gas to clean the inner wall of the pipeline. The cleaning tube is sequentially connected with a supporting scraping part for supporting the cleaning tube and a sealing conduction part for sealing the connection between adjacent cleaning tubes. A guide part is connected between the supporting scraping part and the cleaning tube.

[0009] While the adjusting component adjusts the corresponding supporting and scraping portion, adjacent supporting and scraping portions are synchronously adjusted through the sealing conduction portion.

[0010] The supporting scraping part includes a positioning piece sleeved on the outer wall of the cleaning tube, a moving piece slidably connected to the outer wall of the cleaning tube is arranged on one side of the positioning piece, connecting rods are hinged at the opposite ends of the moving piece and the positioning piece, and an inner wall scraping rod is hinged between the two connecting rods.

[0011] Preferably, the splicing cleaning group further comprises a reset portion connected to the cleaning tube, and a limit piece is installed at a position on the outer surface of the cleaning tube away from the sealing conduction portion.

[0012] Preferably, the adjusting component comprises a threaded sleeve connected to the outer wall of the positioning tube by threaded fitting, and a plurality of circumferentially distributed push rods are installed at one end of the threaded sleeve close to the cleaning tube.

[0013] Preferably, the supporting scraping part also includes two connecting rods which are symmetrically installed on the movable part, and the two connecting rods slide through the positioning part at the same time. Abutments are installed at the ends of the two connecting rods away from the positioning part, and an annular groove is formed at the ends of the abutments away from the movable part.

[0014] Preferably, the sealing conduction part includes a sliding ring which is slidably sleeved on the cleaning tube and fixedly connected to the two connecting rods. A connecting spring is installed at one end of the sliding ring away from the connecting rod. A sealing ring is installed at one end of the connecting spring away from the sliding ring. Two push rods are slidably penetrated and connected to the sealing ring, and the two push rods are fixedly connected to the sliding ring.

[0015] Preferably, the sealing conduction portion also includes an annular mounting groove provided on the inner ring surface of the sealing ring, and a plurality of circumferentially distributed moving rods are penetrated and slidably connected on the groove wall of the annular mounting groove away from the sliding ring, and an extrusion ring is commonly installed at one end of the plurality of moving rods located in the annular mounting groove, and a sealing sleeve is commonly installed between the extrusion ring and the annular mounting groove.

[0016] Preferably, the guide portion includes a sliding groove opened on one end of the inner wall scraper rod near the cleaning tube, a sliding block is slidably connected in the sliding groove, a guide rod is installed on one end of the sliding block near the cleaning tube, and the guide rod slides through the wall of the cleaning tube.

[0017] Preferably, the reset portion comprises a fixed seat mounted on the wall of the cleaning tube, a reset spring is installed between the fixed seat and the moving member, and a guide rod fixedly connected to the moving member is slidably penetrated through the fixed seat.

[0018] Preferably, one end of the positioning tube away from the corresponding cleaning tube is rotatably connected to an air inlet head, and the air inlet head is fixedly connected and communicated with the flexible air inlet pipe.

[0019] Preferably, one end of the cleaning tube close to the positioning tube is fixedly connected to the end of the positioning tube and the inner wall of the other end is provided with an internal thread, and the outer wall of one end of the remaining cleaning tubes is provided with an external thread and the inner wall of the other end is provided with an internal thread, and adjacent cleaning tubes are threadedly connected.

[0020] In summary, the present invention includes the following beneficial technical effects: 1. The multiple splicing cleaning groups adopted in the present invention can be spliced ​​accordingly according to the length of the pipeline to be cleaned, which effectively improves the flexibility of the use of the cleaning device, and the multiple splicing cleaning groups can be placed inside the pipeline during the splicing process, effectively reducing the working space required for the cleaning device to penetrate into the pipeline, making it convenient for operators to operate.

[0021] 2. The fixed adjustment group used in the present invention cooperates with multiple spliced ​​cleaning groups, and the support scraping parts in multiple spliced ​​cleaning groups can be adjusted at the same time according to the size of the inner diameter of the pipeline, ensuring that the cleaning tube located inside the pipeline is in a centered state, avoiding the spliced ​​pipeline from bending due to its long length, and the adjustable support scraping part can improve the applicability of the cleaning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0023] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0024] Figure 2 A front view of the present invention is shown.

[0025] Figure 3 The schematic diagram of the structure of the fixed adjustment group, part of the cleaning pipe and the air injection hole of the present invention is shown.

[0026] Figure 4 The schematic diagram of the structure of the splicing cleaning group of the present invention is shown.

[0027] Figure 5 A cross-sectional view of a spliced ​​cleaning group of the present invention is shown.

[0028] Figure 6 Shows Figure 5 Magnified view of area A.

[0029] The above drawings include the following reference numerals: 1, rotating drive group; 10, rotating module; 11, main motor; 2, fixed adjustment group; 20, positioning tube; 21, adjusting component; 210, threaded sleeve; 211, ejector; 3, splicing cleaning group; 30, cleaning tube; 31, jet hole; 32, supporting scraping part; 320, positioning member; 321, moving member; 322, connecting rod; 323, inner wall scraping rod; 324, connecting rod; 325, abutment member; 3 26. Annular groove; 33. Sealing conduction part; 330. Sliding ring; 331. Connecting spring; 332. Sealing ring; 333. Push rod; 334. Annular mounting groove; 335. Moving rod; 336. Extrusion ring; 337. Sealing sleeve; 34. Guide part; 340. Sliding groove; 341. Sliding block; 342. Guide rod; 35. Reset part; 350. Fixed seat; 351. Reset spring; 352. Guide rod; 36. Limiting member; 4. Intake head. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0031] See also Figure 1 and Figure 2 A coating exhaust pipe cleaning device includes a rotation drive group 1, wherein the rotation drive group 1 includes a rotation module 10, and a main motor 11 is connected to the rotation module 10.

[0032] During specific operation, the rotating module 10 is connected to the base before work. The rotating module 10 is an existing pipe clamping and rotatable mechanism. The base is connected to an existing reciprocating mobile device. The main motor 11 is an existing stepping motor and is connected to an external power supply.

[0033] See also Figure 1-Figure 3The coated exhaust gas pipeline cleaning device also includes a fixed adjustment group 2, which is connected to the rotating drive group 1. The fixed adjustment group 2 includes a positioning tube 20 that is detachably mounted on the rotating drive group 1, and the positioning tube 20 is detachably connected to the rotating module 10.

[0034] During specific operation, after the rotary drive group 1 is fixed, the positioning tube 20 is connected with the sealing cover (not shown in the figure) and then inserted into the rotary drive group 1 .

[0035] See also Figure 1 , Figure 2 and Figure 4 The coating exhaust gas pipeline cleaning device also includes a splicing cleaning group 3, which is provided with multiple splicing cleaning groups 3 and can be disassembled and assembled from each other. The splicing cleaning group 3 close to the positioning tube 20 is connected to the positioning tube 20, and the splicing cleaning group 3 includes a cleaning tube 30 arranged at one end of the positioning tube 20, and one end of the cleaning tube 30 close to the positioning tube 20 is fixedly connected to the end of the positioning tube 20 and the inner wall of the other end is provided with an internal thread, and one end of the cleaning tube 30 away from the positioning tube 20 is in a closed state, and the outer wall of the other end is provided with an external thread, and the outer wall of one end of the remaining cleaning tubes 30 is provided with an external thread, and the inner wall of the other end is provided with an internal thread, and the adjacent cleaning tubes 30 are threadedly connected.

[0036] During specific work, according to the length of the pipeline to be cleaned, a corresponding number of cleaning tubes 30 are selected, and multiple cleaning tubes 30 are spliced ​​together. It should be noted that during the initial splicing, a cleaning tube 30 with one end in a closed state is selected for splicing with another cleaning tube 30, and after each splicing, the two spliced ​​cleaning tubes 30 can be inserted into the pipeline first, thereby reducing the placement space required for the cleaning tube 30 to enter the long pipeline, and the steps of splicing two cleaning tubes 30 and inserting them into the pipeline are repeated until multiple cleaning tubes 30 are all spliced ​​and enter the pipeline, and then the cleaning tube 30 at the pipeline inlet end is threadedly connected to the cleaning tube 30 on the positioning tube 20, and then the positioning tube 20 is fixed and limited by the rotating drive group 1.

[0037] See also Figure 1 and Figure 3 The positioning tube 20 is connected with an adjusting component 21, and the adjusting component 21 includes a threaded sleeve 210 connected to the outer wall of the positioning tube 20 by threaded fitting. A plurality of circumferentially distributed push rods 211 are installed at one end of the threaded sleeve 210 close to the cleaning tube 30.

[0038] See also Figure 1 , Figure 4 and Figure 5A plurality of air injection holes 31 distributed in a spiral pattern are provided on the wall of the cleaning tube 30, and a supporting scraping portion 32 for supporting the cleaning tube 30 and a sealing conducting portion 33 for sealing the connection between adjacent cleaning tubes 30 are sequentially connected to the cleaning tube 30, the supporting scraping portion 32 comprises a positioning member 320 sleeved on the outer wall of the cleaning tube 30, a moving member 321 slidably connected to the outer wall of the cleaning tube 30 is provided on one side of the positioning member 320, connecting rods 322 are hinged at the opposite ends of the moving member 321 and the positioning member 320, and an inner wall scraping rod 323 is hinged between the two connecting rods 322.

[0039] See also Figure 1 , Figure 4 and Figure 5 The supporting scraping portion 32 also includes two symmetrical connecting rods 324 that are installed on the moving member 321. The two connecting rods 324 slide through the positioning member 320 at the same time. The ends of the two connecting rods 324 away from the positioning member 320 are simultaneously installed with abutment members 325. The ends of the abutment members 325 away from the moving member 321 are provided with an annular groove 326.

[0040] Specifically, the support scraping parts 32 on the multiple spliced ​​cleaning tubes 30 are distributed in a spiral shape. When the multiple cleaning tubes 30 enter the interior of the pipeline, the support scraping parts 32 are driven to enter the interior of the pipeline. Then, the adjustment component 21 is driven to adjust the support range of the corresponding support scraping part 32 according to the size of the inner diameter of the pipeline, so that the corresponding cleaning tube 30 is limited to the middle of the pipeline. The specific working steps are: rotating the threaded sleeve 210, the threaded sleeve 210 drives the multiple push rods 211 to move toward the corresponding abutment 325 direction. The abutment 325 can be a plate-shaped or frame-shaped structure, which is not limited here, until the multiple push rods 211 enter the corresponding annular groove 326, and then the multiple push rods 211 continue to push the abutment 325, the abutment 325 drives the two connecting rods 324 to move, and the two connecting rods 324 drive the corresponding moving parts 321 in the cleaning tube 30 The movable member 321 can be a plate-shaped, annular or frame-shaped structure, which is not limited here. The movable member 321 drives the corresponding connecting rod 322 to gradually tilt and push the inner wall scraper rod 323 and the other connecting rod 322. The two connecting rods 322 and the inner wall scraper rod 323 form a three-link structure. The positioning member 320 limits the other connecting rod 322. The positioning member 320 can be a plate-shaped, annular or frame-shaped structure, which is not limited here. During the gradual tilting of the connecting rod 322, the inner wall scraper rod 323 is driven to move toward the inner wall of the pipeline and fit therewith, and then the rotation of the threaded sleeve 210 is stopped. The adjustable inner wall scraper rod 323 can be adjusted accordingly according to the inner diameter of the pipeline, which effectively increases the use occasions of the cleaning device. A brush body (not shown in the figure) for cleaning the inner wall of the pipeline can be set on one end of the inner wall scraper rod 323 close to the inner wall of the pipeline.

[0041] See also Figure 1 , Figure 4 and Figure 5 A guide portion 34 is connected between the support scraping portion 32 and the cleaning tube 30, and the guide portion 34 includes a sliding groove 340 opened at one end of the inner wall scraper rod 323 close to the cleaning tube 30, a sliding block 341 is slidably connected in the sliding groove 340, and a guide rod 342 is installed at one end of the sliding block 341 close to the cleaning tube 30, and the guide rod 342 slides through the tube wall of the cleaning tube 30.

[0042] During specific operation, when the inner wall scraper rod 323 moves, the sliding groove 340 is also driven to move. The sliding groove 340 drives the guide rod 342 to move on the wall of the cleaning tube 30 through the sliding block 341, thereby guiding the movement of the inner wall scraper rod 323. At the same time, the sliding groove 340 and the sliding block 341 slide relative to each other, ensuring that the inner wall scraper rod 323 is always parallel to the cleaning tube 30 and the pipeline during movement.

[0043] See also Figure 1 , Figure 4 and Figure 5 The sealing conduction part 33 includes a sliding ring 330 which is slidably sleeved on the cleaning tube 30 and fixedly connected to the two connecting rods 324. A connecting spring 331 is installed at one end of the sliding ring 330 away from the connecting rod 324. A sealing ring 332 is installed at one end of the connecting spring 331 away from the sliding ring 330. Two push rods 333 are slidably penetrated and connected to the sealing ring 332. The two push rods 333 are fixedly connected to the sliding ring 330.

[0044] See also Figure 1 , Figure 4 , Figure 5 and Figure 6 The sealing conduction part 33 also includes an annular mounting groove 334 provided on the inner ring surface of the sealing ring 332, and a plurality of circumferentially distributed moving rods 335 are penetrated and slidably connected on the groove wall of the annular mounting groove 334 away from the sliding ring 330, and an extrusion ring 336 is commonly installed at one end of the plurality of moving rods 335 located in the annular mounting groove 334, and a sealing sleeve 337 is commonly installed between the extrusion ring 336 and the annular mounting groove 334.

[0045] See also Figure 1 and Figure 5 A limiting member 36 is installed on the outer surface of the cleaning tube 30 at a position away from the sealing conductive portion 33 .

[0046] During specific operation, while the adjusting component 21 adjusts the corresponding support scraping portion 32, the adjacent support scraping portions 32 are synchronously adjusted through the sealing transmission portion 33. The specific working steps are as follows: while the two connecting rods 324 corresponding to the adjusting component 21 move, the corresponding sliding ring 330 is pushed. The sliding ring 330 is subjected to force and pushes the connecting spring 331. The connecting spring 331 has a certain elastic strength. The connecting spring 331 drives the sealing ring 332 to move to the connection position of the two cleaning pipes 30. The sealing ring 332 drives the sealing sleeve 337 to move to the connection position of the two cleaning pipes 30. At the same time, the sealing ring 332 drives multiple moving parts. The movable rod 335 fits with the limiting piece 36 on the adjacent cleaning tube 30. The limiting piece 36 can be a plate-shaped, ring-shaped or frame-shaped structure, which is not limited here. Then the connecting spring 331 continues to push the sealing ring 332, and the limiting piece 36 limits the movable rod 335. The sealing ring 332 and the movable rod 335 are relatively displaced and push the sealing sleeve 337 through the extrusion ring 336. The sealing sleeve 337 is deformed by the force and fits tightly to the joint of the connection position of the two cleaning tubes 30, thereby increasing the connection position of the two cleaning tubes 30. At the same time, the connection position of the two cleaning tubes 30 is externally supported, which improves the bending strength of the connection position of the two cleaning tubes 30.

[0047] After the sealing sleeve 337 seals the joint at the connection position of the two cleaning tubes 30, the sliding ring 330 continues to squeeze the connecting spring 331, and at the same time drives the two push rods 333 and the sealing ring 332 to move relative to each other. The two push rods 333 push the abutment 325 on the next cleaning tube 30, and then repeat the previous adjustment steps of the supporting scraping part 32. In this way, the function of synchronous adjustment of multiple supporting scraping parts 32 is realized, ensuring that the multiple cleaning tubes 30 are located in the middle of the pipeline, avoiding the phenomenon that the multiple cleaning tubes 30 are in a bending state, and improving the adjustment efficiency of the multiple supporting scraping parts 32.

[0048] See also Figure 1 , Figure 4 and Figure 5 The splicing cleaning group 3 also includes a reset portion 35 connected to the cleaning tube 30, and the reset portion 35 includes a fixed seat 350 installed on the tube wall of the cleaning tube 30, a reset spring 351 is installed between the fixed seat 350 and the moving member 321, and a guide rod 352 fixedly connected to the moving member 321 is slidably penetrated on the fixed seat 350.

[0049] During specific operation, when the support scraping part 32 is adjusted, the moving part 321 squeezes the reset spring 351 at the same time. The reset spring 351 after squeezing is used to reset the moving part 321, thereby realizing the function of resetting the connecting rod 322 and the inner wall scraper rod 323, avoiding affecting the removal of the cleaning tube 30.

[0050] See also Figure 1 and Figure 2 The end of the positioning tube 20 away from the corresponding cleaning tube 30 is rotatably connected to an air inlet head 4, and the air inlet head 4 is fixedly connected and communicated with the flexible air inlet pipe.

[0051] During specific operation, after the adjustment of the multiple support scraping parts 32 is completed, the sealing cover is sealed with the inlet end of the pipeline, and then the air intake head 4 is connected to the end of the positioning tube 20, and then the flexible air intake pipe is connected to the existing air pump, and then the air pump, the main motor 11 and the reciprocating moving device are started at the same time, and the air pump passes the cleaning gas (mainly nitrogen) into the positioning tube 20 and the multiple cleaning tubes 30 through the flexible air intake pipe and the air intake head 4, and the main motor 11 drives the positioning tube 20 to rotate through the rotating drive group 1, and the positioning tube 20 drives the multiple cleaning tubes 30 to rotate, and the cleaning tube 30 drives the multiple jet holes 31 to rotate, and the clean gas ejected from the multiple rotating jet holes 31 is The inner wall of the pipeline is cleaned, and multiple cleaning tubes 30 simultaneously drive the inner wall scraper rod 323 to rotate through the positioning piece 320 and the guide part 34, so as to further clean the inner wall of the pipeline, effectively improving the effect of cleaning the inner wall of the pipeline, and the reciprocating moving device drives the positioning tube 20 and the multiple cleaning tubes 30 to move back and forth in the pipeline, effectively increasing the cleaning range of the multiple cleaning tubes 30 and the supporting scraping part 32, avoiding uncleaned areas on the inner wall of the pipeline. After the multiple cleaning tubes 30 have finished cleaning the inner wall of the pipeline, turn off the air pump, the main motor 11 and the reciprocating moving device, and then move the multiple cleaning tubes 30 and the positioning tube 20 out of the pipeline, and the work is completed.

[0052] In the description of the embodiments of the present invention, it should be noted that the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0053] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A coating exhaust gas pipeline cleaning device, comprising a rotary drive group, characterized in that: A fixed adjustment group is connected to the rotary drive group, and the fixed adjustment group includes a positioning tube detachably mounted on the rotary drive group, and an adjustment component is connected to the positioning tube; A splicing cleaning group is provided with multiple and mutually detachable splicing cleaning groups, the splicing cleaning group close to the positioning tube is connected to the positioning tube, the splicing cleaning group includes a cleaning tube arranged at one end of the positioning tube, a plurality of spirally distributed jet holes are opened on the tube wall of the cleaning tube, the rotary driving group drives the positioning tube and the cleaning tube through which the cleaning gas passes to rotate, the plurality of rotating jet holes spray the cleaning gas to clean the inner wall of the pipeline, the cleaning tube is sequentially connected with a supporting scraping part for supporting the cleaning tube and a sealing conducting part for sealing the connection between adjacent cleaning tubes, and a guiding part is connected between the supporting scraping part and the cleaning tube; When the adjusting component adjusts the corresponding supporting and scraping part, the adjacent supporting and scraping parts are synchronously adjusted through the sealing transmission part; The supporting scraping part includes a positioning piece sleeved on the outer wall of the cleaning tube, a moving piece slidably connected to the outer wall of the cleaning tube is arranged on one side of the positioning piece, connecting rods are hinged at the opposite ends of the moving piece and the positioning piece, and an inner wall scraping rod is hinged between the two connecting rods.

2. A coating exhaust gas pipeline cleaning device according to claim 1, characterized in that: The splicing cleaning group also includes a reset portion connected to the cleaning tube, and a limiting member is installed at a position on the outer surface of the cleaning tube away from the sealing conduction portion.

3. A coating exhaust gas pipeline cleaning device according to claim 1, characterized in that: The adjusting component comprises a threaded sleeve connected to the outer wall of the positioning tube by threaded matching, and a plurality of circumferentially distributed push rods are installed at one end of the threaded sleeve close to the cleaning tube.

4. The coating exhaust gas pipeline cleaning device according to claim 1 is characterized in that: The supporting scraping part also includes two connecting rods that are symmetrical and installed on the moving part. The two connecting rods slide through the positioning part at the same time. Abutment parts are installed at the ends of the two connecting rods away from the positioning part. An annular groove is opened at the ends of the abutment parts away from the moving part.

5. A coating exhaust gas pipeline cleaning device according to claim 4, characterized in that: The sealing conduction part includes a sliding ring which is slidably sleeved on the cleaning tube and fixedly connected to two connecting rods. A connecting spring is installed at one end of the sliding ring away from the connecting rod. A sealing ring is installed at one end of the connecting spring away from the sliding ring. Two push rods are slidably penetrated and connected to the sealing ring, and the two push rods are fixedly connected to the sliding ring.

6. A coating exhaust gas pipeline cleaning device according to claim 5, characterized in that: The sealing conduction part also includes an annular mounting groove provided on the inner ring surface of the sealing ring, and a plurality of circumferentially distributed moving rods are penetrated and slidably connected on the groove wall of the annular mounting groove away from the sliding ring, and an extrusion ring is commonly installed at one end of the plurality of moving rods located in the annular mounting groove, and a sealing sleeve is commonly installed between the extrusion ring and the annular mounting groove.

7. The coating exhaust gas pipeline cleaning device according to claim 1 is characterized in that: The guide part comprises a sliding groove provided at one end of the inner wall scraper rod close to the cleaning tube, a sliding block is slidably connected in the sliding groove, a guide rod is installed at one end of the sliding block close to the cleaning tube, and the guide rod slides through the tube wall of the cleaning tube.

8. The coating exhaust gas pipeline cleaning device according to claim 2 is characterized in that: The reset part comprises a fixed seat installed on the wall of the cleaning pipe, a reset spring is installed between the fixed seat and the moving part, and a guide rail rod fixedly connected to the moving part is slidably penetrated through the fixed seat.

9. The coating exhaust gas pipeline cleaning device according to claim 1, characterized in that: The end of the positioning tube away from the corresponding cleaning tube is rotatably connected to an air inlet head, and the air inlet head is fixedly connected and communicated with the flexible air inlet pipe.

10. The coating exhaust gas pipeline cleaning device according to claim 1, characterized in that: One end of the cleaning tube close to the positioning tube is fixedly connected to the end of the positioning tube and the inner wall of the other end is provided with an internal thread. One end of the cleaning tube away from the positioning tube is in a closed state and the outer wall of the other end is provided with an external thread. The outer wall of one end of the remaining cleaning tubes is provided with an external thread and the inner wall of the other end is provided with an internal thread. Adjacent cleaning tubes are threadedly connected.

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