Cleaning device for outer wall of circular pipe

Abstract

The invention relates to the technical field of round pipe outer wall cleaning, in particular to a round pipe outer wall cleaning device which comprises a traveling vehicle provided with a butt joint column and two buckling frames, the buckling frame located on the lower portion is connected with the butt joint column, a connecting piece is installed on the outer side of one end of each buckling frame, and a butt joint piece is installed at the other end of each buckling frame. A cleaning part used for cleaning the outer wall of the circular pipe is installed between the two buckling frames. The two buckling frames are movably arranged on the outer side of the circular pipe in a sleeving mode, the cleaning part is tightly attached to the outer wall of the circular pipe under the action of the elastic part, the elastic part is installed on one buckling frame, the elastic part is in butt joint with the cleaning part, and the cleaning part is tightly attached to the outer wall of the circular pipe. And then the driving vehicle is used for driving the two buckling frames to run along the circular pipe, so that the outer wall of the circular pipe can be efficiently cleaned, the operation can be completed by a single person, manpower is greatly saved, and meanwhile, the cleaning efficiency of the outer wall of the circular pipe is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cleaning the outer wall of a circular tube, in particular to a cleaning device for the outer wall of a circular tube. Background Art

[0002] A round tube is a hollow tubular structure with a circular cross-section. It is a common industrial product and building material, widely used in many fields such as conveying fluids (such as liquids and gases), structural support, and machinery manufacturing.

[0003] In some factories, there are many pipes for transporting chemicals, gases or liquids. Some of the pipes are in outdoor open-air areas. Outdoor round pipes are exposed to the natural environment for a long time, and their outer walls are easily attached with debris, such as bird droppings, tree sap and other corrosive foreign matter. Long-term attachment to the outer wall of the round pipe will corrode the surface of the round pipe. Therefore, it is necessary to clean the outer wall of the round pipe. The outer diameter of the round pipe in the factory area is large, and manual wiping requires people on both sides of the pipe to cooperate with cleaning, which requires more manpower. The cleaning efficiency is low. Summary of the invention

[0004] The purpose of the present invention is to provide a cleaning device for the outer wall of a circular pipe, so as to solve the problem that the existing outdoor circular pipes mentioned in the above background technology require a lot of manpower to cooperate when cleaning, resulting in low cleaning efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cleaning device for the outer wall of a circular tube, comprising a traveling vehicle, a docking column being arranged on the traveling vehicle, and two snap-fitting frames, the snap-fitting frame located at the bottom being connected to the docking column, a connecting piece being installed on the outer side of one end of the two snap-fitting frames, and a docking piece being installed on the other end, a cleaning part for cleaning the outer wall of the circular tube being installed between the two snap-fitting frames; and an elastic part installed on one of the snap-fitting frames, the elastic part being docked with the cleaning part, and making the cleaning part fit tightly with the outer wall of the circular tube; and an adjusting component installed on the two snap-fitting frames, through which the shape of the cleaning part is adjusted to meet the fit with the outer sides of circular tubes of different sizes.

[0006] Preferably, the snap-fit ​​frame comprises two side plates, one end of the two side plates is rotatably mounted with a docking rod that fits with the cleaning part, and the other end is fixed with a connecting tube.

[0007] Preferably, the cleaning part includes a cleaning belt, the two ends of which are respectively sleeved on the outside of the two docking rods, and the inner side of the cleaning belt is docked with the elastic part, and a driving component for driving the docking rods to rotate is installed on the outer side of the snap-fit ​​frame, and the cleaning belt is driven by the rotation of the docking rods.

[0008] Preferably, the drive assembly includes a linkage gear installed on the two side plates through a bearing seat, and the outer ends of the two docking rods are fixed with transmission gears meshing with the linkage gears, and a drive motor is fixed on one of the side plates through a motor seat, and the output end of the drive motor is fixed to the outer end of one of the docking rods through a coupling.

[0009] Preferably, the docking member comprises a connecting plate fixed to the outer sides of the two lower side plates, and the two connecting plates are rotatably docked with the two upper side plates via a rotating shaft; The docking piece includes a locking plate fixed to the outer side of the side plate located above, a lock core hole is opened in the locking plate, a locking rod is rotatably installed on the outer side of the side plate located below, and a locking cap is threadedly installed on the locking rod and plugged into the lock core hole.

[0010] Preferably, the elastic part includes a connecting frame fixed to the outer side of the two side plates below, the two connecting frames are slidably plugged with insertion rods, and the outer ends of the two insertion rods are equipped with push rods that fit the inner side of the cleaning belt, the outer side of the insertion rod is sleeved with an extrusion spring that resists the push rod and the connecting frame, end plates are fixed at both ends of the push rod, and guide rods that fit the outer side of the cleaning belt are rotatably installed on the two end plates.

[0011] Preferably, an adjustment port is provided on the side panel, and the adjustment assembly includes an adjustment rod, the adjustment rod is fitted with the inner side of the cleaning belt, and both ends of the adjustment rod are rotatably sleeved with adjustment sleeves plugged into the inner wall of the adjustment port, a threaded rod is plugged into the inner thread of the adjustment port, one end of the threaded rod is rotatably docked with the adjustment sleeve, and a swivel cap is fixed to the other end.

[0012] Preferably, a reciprocating screw is rotatably inserted in the connecting cylinder, and a movable seat is threadedly sleeved on the reciprocating screw, a track plate compatible with the movable seat is fixed in the connecting cylinder, a plurality of knocking rods are slidably inserted in the connecting cylinder, a knocking ball that abuts against the inner side of the cleaning belt is fixed on the top of the knocking rod, an adjusting column is fixed on the bottom, a force storage spring that abuts against the knocking ball and the outer wall of the connecting cylinder is sleeved on the outer side of the knocking rod, an inclined plate compatible with the adjusting column is rotatably installed on the outer side of the movable seat, and a spring sheet fixed to the inner side of the inclined plate is fixed on the movable seat, a limit block that abuts against the outer side of the inclined plate is fixed on the movable seat, and linkage parts are installed on the outer ends of the two reciprocating screws.

[0013] Preferably, the linkage part includes a synchronous gear fixed to the outer ends of the two reciprocating screw rods, the outer meshing sleeves of the two synchronous gears are provided with a toothed belt, a linkage motor is fixed to the outer side of one of the connecting plates through a motor frame, and the output end of the linkage motor is fixed to the outer end of one of the reciprocating screw rods through a coupling.

[0014] Preferably, the cleaning belt includes an inner belt and a plurality of outer belts, the inner belt is sleeved on the outside of two docking rods, Velcro is provided at the outer edge of the outer belt, and is attached to the outside of the inner belt end to end by Velcro, and the plurality of outer belts are docked with each other by Velcro.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The two snap-fitting frames designed in the present invention are movably sleeved on the outside of the circular tube, and with the help of the elastic member, the cleaning part is tightly fitted on the outer wall of the circular tube. Then, the two snap-fitting frames are driven by the traveling vehicle to move along the circular tube, so that the outer wall of the circular tube can be efficiently cleaned. The operation can be completed by a single person, which greatly saves manpower and improves the cleaning efficiency of the outer wall of the circular tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure after the whole of the present invention is connected to a round tube; Figure 2 It is a schematic diagram of another angle structure after the whole of the present invention is connected with the round tube; Figure 3 It is a schematic diagram of the overall structure of the present invention; Figure 4 It is the overall front view of the present invention; Figure 5 This is a schematic diagram of the connection relationship between the docking rod and the cleaning belt after the side panels are removed in the present invention; Figure 6 It is a schematic diagram of the internal structure of the connecting tube of the present invention after partial cross-section; Figure 7 This is a schematic diagram of the internal structure of the connecting tube of the present invention; Figure 8 It is a front view of the partial section view of the internal structure of the connecting tube of the present invention; Fig. 9 This is a schematic diagram of the cleaning belt structure of the present invention; Fig.10 for Figure 3 Enlarged view of point A in the middle; Fig.11 for Figure 4 Enlarged view of point B in the middle; Fig.12 for Figure 4 Enlarged view of center C.

[0017] In the figure: 1, traveling vehicle; 2, buckle frame; 3, connecting piece; 4, docking piece; 5, cleaning part; 6, elastic part; 7, adjustment component; 8, side plate; 9, docking rod; 10, connecting cylinder; 11, cleaning belt; 12, driving component; 13, linkage gear; 14, transmission gear; 15, driving motor; 16, connecting plate; 17, locking plate; 18, locking rod; 19, lock core hole; 20, locking cap; 21, connecting frame; 22, plug rod; 23, push rod; 24, extrusion spring; 25, adjustment port; 26, adjustment rod; 27, adjustment sleeve; 28, threaded rod; 29, reciprocating screw; 30, moving seat; 31, track plate; 32, knock rod; 33, knock ball; 34, adjustment column; 35, inclined plate; 36, spring sheet; 37, linkage; 38, synchronous gear; 39, toothed belt; 40, linkage motor; 41, inner belt; 42, outer belt; 43, storage spring; 44, end plate; 45, guide rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figure 1 - Figure 5 as well as Fig.10 - Fig.12 The cleaning device for the outer wall of a circular tube shown in the figure comprises a traveling vehicle 1, on which a docking column is arranged, and also comprises two snap-fitting frames 2, the snap-fitting frames 2 located at the bottom are connected to the docking column, a connecting piece 3 is installed on the outer side of one end of the two snap-fitting frames 2, and a docking piece 4 is installed on the other end, and a cleaning portion 5 for cleaning the outer wall of the circular tube is installed between the two snap-fitting frames 2; and an elastic portion 6 installed on one of the snap-fitting frames 2, the elastic portion 6 is docked with the cleaning portion 5, and the cleaning portion 5 is closely fitted with the outer wall of the circular tube; and an adjusting component 7 installed on the two snap-fitting frames 2, through which the shape of the cleaning portion 5 is adjusted to meet the fit of the outer side of circular tubes of different sizes; In this solution, the driving vehicle 1 is an existing driving device, which can travel along the direction of the round tube after being loaded with the buckle frame 2. The length of the docking column can be adjusted according to the installation height of the round tube, so that the two buckle frames 2 can meet the buckle operation of the round tube; It should be noted that the two snap-fit ​​frames 2 are connected to each other through a connecting piece 3, and are locked after being buckled on the outer wall of the round tube through a connecting piece 4. The cleaning part 5 uses an elastic part 6 to achieve a tight fit with the outer wall of the round tube. At the same time, with the help of an adjustment component 7, it can meet the needs of connecting round tubes of different diameters, making the cleaning range larger and more flexible.

[0020] For details, see Figure 1 - Figure 5 as well as Figure 10-12 The snap-fit ​​frame 2 includes two side plates 8, one end of the two side plates 8 is rotatably mounted with a docking rod 9 that fits with the cleaning part 5, and the other end is fixed with a connecting tube 10. The cleaning part 5 is installed between the two side plates 8 and is sleeved on the outside of the docking rod 9.

[0021] For further information, see Figure 1 - Figure 5 The cleaning part 5 includes a cleaning belt 11, the two ends of the cleaning belt 11 are respectively sleeved on the outside of the two docking rods 9, the inner side of the cleaning belt 11 is docked with the elastic part 6, and a driving assembly 12 for driving the docking rods 9 to rotate is installed on the outer side of the buckle frame 2, and the cleaning belt 11 is driven by the rotation of the docking rods 9; Among them, the driving component 12 includes a linkage gear 13 installed on the two side plates 8 through a bearing seat, and the outer ends of the two docking rods 9 are fixed with transmission gears 14 meshing with the linkage gear 13. A driving motor 15 is fixed on one of the side plates 8 through a motor seat, and the output end of the driving motor 15 is fixed to the outer end of one of the docking rods 9 through a coupling.

[0022] In this solution, the principle of using the cleaning part 5 to clean the outer wall of the round tube is: First, the personnel buckle the two buckle frames 2 on the outer wall of the round tube so that the outer side of the cleaning belt 11 can fit the outer wall of the buckle frames 2. Then, the driving motor 15 is used to generate power to rotate one of the docking rods 9. Under the action of the transmission gear 14 and the linkage gear 13, the two docking rods 9 rotate synchronously and drive the cleaning belt 11 to transmit, so that the cleaning belt 11 can be transmitted and wiped along the outer wall of the round tube, effectively cleaning the foreign matter remaining on the outer wall of the round tube; It should be noted that the outer wall of the docking rod 9 is a frosted surface structure with high friction, so that when the docking rod 9 rotates, it can stably drive the cleaning belt 11 to perform corresponding transmission.

[0023] For further information, see Figure 1 - Figure 5 as well as Fig.10 - Fig.12The docking member 4 includes a connecting plate 16 fixed to the outer side of the two side plates 8 located at the bottom, and the two connecting plates 16 are rotatably docked with the two side plates 8 located at the top through a rotating shaft. The docking member 4 includes a locking plate 17 fixed to the outer side of the side plate 8 located at the top, and a lock core hole 19 is opened in the locking plate 17. A locking rod 18 is rotatably installed on the outer side of the side plate 8 located at the bottom, and a locking cap 20 that is plugged into the lock core hole 19 is threadedly installed on the locking rod 18.

[0024] In this solution, the two snap-fit ​​frames 2 are connected to each other through a connecting plate 16. When opening the snap-fit ​​frames 2, it is only necessary to rotate the upper snap-fit ​​frame 2 to open it, which is convenient for connecting and disassembling the two snap-fit ​​frames 2 with the round tube. At the same time, after the two snap-fit ​​frames 2 are sleeved on the outer wall of the round tube, the personnel rotate the locking rod 18 so that the locking rod 18 moves into the lock core hole 19, and rotate the locking cap 20 so that the locking cap 20 is inserted into the lock core hole 19, completing the locking of the two snap-fit ​​frames 2 after being snapped on the round tube, so that the cleaning belt 11 can fit more stably with the outer wall of the round tube.

[0025] For further information, see Figure 1 - Figure 5 as well as Fig.10 - Fig.12 The elastic part 6 includes a connecting frame 21 fixed to the outer side of the two side plates 8 below, and the two connecting frames 21 are slidably plugged with plug rods 22. The outer ends of the two plug rods 22 are equipped with push rods 23 that fit the inner side of the cleaning belt 11. The outer side of the plug rods 22 is sleeved with an extrusion spring 24 that abuts against the push rod 23 and the connecting frame 21. The two ends of the push rod 23 are fixed with end plates 44, and the two end plates 44 are rotatably equipped with guide rods 45 that fit the outer side of the cleaning belt 11. It should be noted that after the buckle frame 2 is buckled on the outer wall of the round tube, the push rod 23 is moved outward by squeezing the spring 24, thereby pulling the cleaning belt 11 outward, so that the cleaning belt 11 is in a taut state and keeps in close contact with the outer wall of the round tube, which is convenient for the subsequent transmission of the cleaning belt 11 and the cleaning of the outer wall of the round tube; It should also be noted that a rotating tube is sleeved on the outer side of the push rod 23, and the rotating tube fits against the inner side of the cleaning belt 11. At the same time, the two designed guide rods 45 can prevent the distance between the cleaning belt 11 and the connecting tube 10 from being too large, which facilitates the subsequent vibration operation of the cleaning belt 11.

[0026] For further information, see Figure 2 - Figure 5 as well as Figure 10-12The side plate 8 is provided with an adjustment port 25, and the adjustment assembly 7 includes an adjustment rod 26, which is fitted with the inner side of the cleaning belt 11, and both ends of the adjustment rod 26 are rotatably sleeved with an adjustment sleeve 27 plugged into the inner wall of the adjustment port 25, and a threaded rod 28 is plugged into the inner thread of the adjustment port 25, one end of the threaded rod 28 is rotatably docked with the adjustment sleeve 27, and a rotating cap is fixed to the other end; When cleaning round tubes of different sizes, the personnel first rotate the rotating cap according to the diameter of the round tube, so that the threaded rod 28 rotates accordingly, and the adjusting sleeve 27 moves in the adjusting port 25, and drives the adjusting rod 26 to move accordingly, so as to control the position of the inner side of the cleaning belt 11, so that the cleaning belt 11 can meet the needs of fitting round tubes of different sizes, which is more convenient when cleaning round tubes of different sizes.

[0027] In this scheme, the process of cleaning the outer wall of the round tube includes the following steps: In the first step, the personnel first select a docking column of appropriate length according to the height of the round tube so that the two buckle frames 2 can be sleeved on the outside of the round tube; In the second step, the personnel adaptively rotate the threaded rod 28 according to the diameter of the round tube to adjust the adjustment rod 26; In the third step, the personnel put the two buckle frames 2 on the outside of the round tube, and make the cleaning belt 11 fit with the outer wall of the round tube, and drive the driving motor 15 so that the cleaning belt 11 starts to move along the outside of the round tube to wipe and clean the outer wall of the round tube; In the fourth step, the two buckle frames 2 are driven by the traveling vehicle 1 to move along the direction of the round tube, so as to clean the outer side of the round tube in the straight direction.

[0028] In this solution, the driving vehicle 1 provides driving power to drive the two snap-fit ​​frames 2 to move, and there is no need for personnel to clean the outside of the circular tube. The cleaning efficiency is high, the cleaning effect is good, and a single person can complete the operation.

[0029] Example 2: Please refer to Figure 5 - Figure 8 This embodiment further explains the first embodiment, and the difference lies in that a partial mechanism is added in the connecting tube 10 to meet the vibration of the cleaning belt 11, so that the debris on the cleaning belt 11 is separated from the cleaning belt 11, thereby improving the cleaning quality.

[0030] Specifically, a reciprocating screw 29 is rotatably inserted in the connecting tube 10, a movable seat 30 is threadedly sleeved on the reciprocating screw 29, a track plate 31 adapted to the movable seat 30 is fixed in the connecting tube 10, a plurality of knocking rods 32 are slidably inserted in the connecting tube 10, a knocking ball 33 abutting against the inner side of the cleaning belt 11 is fixed on the top of the knocking rod 32, an adjusting column 34 is fixed on the bottom, a force storage spring 43 abutting against the knocking ball 33 and the outer wall of the connecting tube 10 is sleeved on the outer side of the knocking rod 32, an inclined plate 35 adapted to the adjusting column 34 is rotatably installed on the outer side of the movable seat 30, a spring sheet 36 fixed to the inner side of the inclined plate 35 is fixed on the movable seat 30, a limit block abutting against the outer side of the inclined plate 35 is fixed on the movable seat 30, and a linkage 37 is installed on the outer ends of the two reciprocating screws 29; Among them, the linkage part 37 includes a synchronous gear 38 fixed to the outer ends of the two reciprocating screw rods 29, and the outer sides of the two synchronous gears 38 are meshed with a toothed belt 39. A linkage motor 40 is fixed to the outer side of one of the connecting plates 16 through a motor frame, and the output end of the linkage motor 40 is fixed to the outer end of one of the reciprocating screw rods 29 through a coupling.

[0031] In this scheme, when the cleaning belt 11 is driven and is cleaning the outer wall of the circular tube, at this time, the linkage motor 40 in the linkage member 37 is used to drive one of the reciprocating screws 29 to rotate, and under the action of the synchronous gear 38 and the toothed belt 39, the reciprocating screws 29 in the two connecting tubes 10 are synchronously rotated, driving the moving seat 30 to reciprocate along the reciprocating screws 29. During the movement of the moving seat 30, the inclined plate 35 on one side will contact the adjusting column 34 at the bottom of the knocking rod 32, and with the movement of the inclined plate 35, the adjusting column 34 is driven to move downward, so that the storage spring 43 retracts, until the adjusting column 34 is separated from the inclined plate 35, the storage spring 43 is restored, thereby driving the knocking rod 32 to move upward, and the knocking ball 33 is used to knock and vibrate the inner side of the cleaning belt 11, effectively vibrating and removing the residual foreign matter on the outer side of the cleaning belt 11, which is convenient for long-term cleaning and wiping; It should also be noted that: oppositely directed inclined plates 35 are provided on both sides of the movable seat 30. When the movable seat 30 reciprocates, the inclined plate 35 on one side of the movable seat 30 first contacts the adjusting column 34 at a high position, thereby guiding the adjusting column 34 to move downward, and finally driving the knocking rod 32 to move downward and reset and knock, while the inclined plate 35 on the other side of the movable seat 30 first contacts the adjusting column 34 at a low position, so that when the movable seat 30 moves, the adjusting column 34 will squeeze the inclined plate 35 and then pass through. The oppositely directed inclined plates 35 are provided on both sides of the movable seat 30, so that when the movable seat 30 reciprocates, it can drive the corresponding knocking rod 32 to knock and vibrate the cleaning belt 11.

[0032] Example 3: Please refer to Fig. 9This embodiment further illustrates other embodiments, and the difference lies in that the structure of the cleaning belt 11 is optimized so that the cleaning belt 11 is more convenient for cleaning the outer wall of the circular tube.

[0033] Specifically, the cleaning belt 11 includes an inner belt 41 and a plurality of outer belts 42. The inner belt 41 is sleeved on the outside of the two docking rods 9. Velcro is provided at the outer edge of the outer belt 42, and the outer belt 42 is attached to the outside of the inner belt 41 end to end through the Velcro. The plurality of outer belts 42 are docked with Velcro. The outer belt 42 is a belt with fluff on the outside and has a cleaning effect. In this solution, the inner belt 41 and multiple outer belts 42 are connected to each other, so that after the outermost outer belt 42 is adhered to the outer wall of the round tube for cleaning, if too many foreign objects are attached, it can be directly removed by tearing off the Velcro, so that the inner outer belt 42 can continue to be cleaned. At this time, the personnel can clean the removed outer belt 42, and there is no need to stop the machine to remove the cleaning belt 11. When the outer belt 42 is replaced in the next round, the cleaned outer belt 42 can be attached again, so as to meet the requirements of long-term non-stop cleaning of the round tube and improve the cleaning efficiency.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cleaning device for the outer wall of a round tube, comprising: A traveling vehicle (1), wherein the traveling vehicle (1) is provided with a docking column; It is characterized by further comprising: Two snap-fit ​​frames (2), the snap-fit ​​frame (2) located at the bottom is connected to the docking column, a connecting piece (3) is installed on the outside of one end of the two snap-fit ​​frames (2), and a docking piece (4) is installed on the other end, and a cleaning part (5) for cleaning the outer wall of the circular tube is installed between the two snap-fit ​​frames (2); and, an elastic portion (6) mounted on one of the snap-fit ​​frames (2), the elastic portion (6) being butted against the cleaning portion (5) so that the cleaning portion (5) is in close contact with the outer wall of the circular tube; and An adjustment component (7) mounted on the two snap-fit ​​frames (2) is used to adjust the shape of the cleaning portion (5) to meet the requirements of fitting the outer sides of round tubes of different sizes.

2. The cleaning device for the outer wall of a circular tube according to claim 1, characterized in that: The snap-fit ​​frame (2) comprises two side plates (8), one end of the two side plates (8) being rotatably mounted with a docking rod (9) that fits with the cleaning portion (5), and the other end being fixed with a connecting tube (10).

3. The cleaning device for the outer wall of a circular tube according to claim 2, characterized in that: The cleaning portion (5) comprises a cleaning belt (11), the two ends of the cleaning belt (11) are respectively sleeved on the outside of the two docking rods (9), and the inside of the cleaning belt (11) is docked with the elastic portion (6). A driving assembly (12) for driving the docking rods (9) to rotate is installed on the outside of the buckle frame (2), and the cleaning belt (11) is driven by the rotation of the docking rods (9).

4. The cleaning device for the outer wall of a circular tube according to claim 3, characterized in that: The driving assembly (12) comprises a linkage gear (13) mounted on two side plates (8) via a bearing seat, and a transmission gear (14) meshing with the linkage gear (13) is fixed to the outer ends of the two docking rods (9), and a driving motor (15) is fixed to one of the side plates (8) via a motor seat, and an output end of the driving motor (15) is fixed to the outer end of one of the docking rods (9) via a coupling.

5. The cleaning device for the outer wall of a circular tube according to claim 2, characterized in that: The docking member (4) comprises a connecting plate (16) fixed to the outside of the two side plates (8) located at the bottom, and the two connecting plates (16) are rotatably docked with the two side plates (8) located at the top via a rotating shaft; The docking member (4) comprises a locking plate (17) fixed to the outside of the side plate (8) located above, a lock core hole (19) being provided in the locking plate (17), a locking rod (18) being rotatably mounted on the outside of the side plate (8) located below, a locking cap (20) being threadedly mounted on the locking rod (18) and being plugged into the lock core hole (19).

6. The cleaning device for the outer wall of a circular tube according to claim 3, characterized in that: The elastic part (6) comprises a connecting frame (21) fixed on the outer sides of two side plates (8) located below, the two connecting frames (21) are slidably plugged with plug rods (22), and the outer ends of the two plug rods (22) are equipped with push rods (23) that fit the inner side of the cleaning belt (11), the outer sides of the plug rods (22) are sleeved with compression springs (24) that abut against the push rods (23) and the connecting frame (21), the two ends of the push rods (23) are fixed with end plates (44), and the two end plates (44) are rotatably equipped with guide rods (45) that fit the outer side of the cleaning belt (11).

7. The cleaning device for the outer wall of a circular tube according to claim 3, characterized in that: The side plate (8) is provided with an adjustment opening (25), and the adjustment assembly (7) comprises an adjustment rod (26), the adjustment rod (26) is fitted with the inner side of the cleaning belt (11), and both ends of the adjustment rod (26) are rotatably sleeved with adjustment sleeves (27) plugged into the inner wall of the adjustment opening (25), a threaded rod (28) is plugged into the inner thread of the adjustment opening (25), one end of the threaded rod (28) is rotatably docked with the adjustment sleeve (27), and the other end is fixed with a swivel cap.

8. The cleaning device for the outer wall of a circular tube according to claim 2, characterized in that: A reciprocating screw (29) is rotatably inserted in the connecting tube (10), and a movable seat (30) is threadedly sleeved on the reciprocating screw (29). A track plate (31) adapted to the movable seat (30) is fixed in the connecting tube (10). A plurality of knocking rods (32) are slidably inserted in the connecting tube (10). A knocking ball (33) abutting against the inner side of the cleaning belt (11) is fixed on the top of the knocking rod (32), and an adjusting column (34) is fixed on the bottom. The knocking rod (32) ) is sleeved on the outer side with a force storage spring (43) which abuts against the outer wall of the knocking ball (33) and the connecting tube (10), an inclined plate (35) adapted to the adjusting column (34) is rotatably mounted on the outer side of the moving seat (30), and a spring sheet (36) fixed to the inner side of the inclined plate (35) is fixed on the moving seat (30), a limit block abutting against the outer side of the inclined plate (35) is fixed on the moving seat (30), and a linkage member (37) is mounted on the outer ends of the two reciprocating screw rods (29).

9. The cleaning device for the outer wall of a circular tube according to claim 8, characterized in that: The linkage member (37) comprises a synchronous gear (38) fixed to the outer ends of the two reciprocating screw rods (29), the outer sides of the two synchronous gears (38) are meshed with a toothed belt (39), a linkage motor (40) is fixed to the outer side of one of the connecting plates (16) via a motor frame, and the output end of the linkage motor (40) is fixed to the outer end of one of the reciprocating screw rods (29) via a coupling.

10. The cleaning device for the outer wall of a circular tube according to claim 3, characterized in that: The cleaning belt (11) comprises an inner belt (41) and a plurality of outer belts (42), wherein the inner belt (41) is sleeved on the outside of two docking rods (9), and the outer edges of the outer belts (42) are provided with Velcro and are attached to the outside of the inner belt (41) end to end by the Velcro, and the plurality of outer belts (42) are docked with each other by the Velcro.

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