CN110586587A - Pipe sweeping device and sweeping system - Google Patents
Pipe sweeping device and sweeping system Download PDFInfo
- Publication number
- CN110586587A CN110586587A CN201910830302.4A CN201910830302A CN110586587A CN 110586587 A CN110586587 A CN 110586587A CN 201910830302 A CN201910830302 A CN 201910830302A CN 110586587 A CN110586587 A CN 110586587A
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- Prior art keywords
- propeller
- wall
- rotating mechanism
- pipe fitting
- pipe
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- 238000010408 sweeping Methods 0.000 title claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 88
- 239000012530 fluid Substances 0.000 claims abstract description 44
- 230000008602 contraction Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 13
- 239000000428 dust Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000007790 scraping Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a pipe sweeping device which comprises a propeller and a sweeping head, wherein a sweepback-shaped conical ring sleeve is arranged on the side wall of the outer ring of the propeller, and the outer edge of the conical ring sleeve can be attached to the inner wall of a pipe fitting; the cleaning head can rotate along the axial direction of the cleaning head so as to clean the inner wall of the pipe fitting; the propeller is provided with a flow passage, a rotating mechanism is rotatably arranged in the flow passage, and the output end of the rotating mechanism movably penetrates through one end of the flow passage in the cleaning direction and is connected with the cleaning head through a universal structure; when fluid in the pipe fitting passes through the overflowing channel, the fluid can drive the rotating mechanism to rotate, and the rotating mechanism further drives the cleaning head to clean the inner wall of the pipe fitting. This sweep tub of device and cleaning system can utilize the fluid to force the cleaning head to carry out autogiration and clean the inner wall of pipe fitting when the motion of pipe fitting at the whole device of drive, simple structure cleans effectually.
Description
Technical Field
The invention relates to the field of petrochemical pipe cleaning equipment, in particular to a pipe sweeping device and a pipe sweeping system.
Background
For petrochemical storage factories, a conveying pipeline is a carrier for connecting a storage tank and a tank car, and the storage tank and a wharf ship, and after materials are conveyed in the pipeline for a period of time, a certain scaling layer is easily formed on the inner wall of the pipeline, so that the inner diameter of the pipeline is gradually reduced, and the transmission quantity of the materials is reduced.
In order to protect the quality of materials, reduce friction resistance and prolong the service life of pipelines, the pipelines must be cleaned regularly. The traditional cleaning mode is that cleaning balls matched with the inner wall of a pipe fitting are introduced into a housekeeper to carry out line cleaning operation, and pressure fluid such as nitrogen or water is filled to drive a soft propeller to propel along a pipeline so as to clean materials. However, in the cleaning mode, the spherical surface of the cleaning ball is used for scraping the inner wall of the pipe fitting so as to achieve the purpose of cleaning, but the cleaning ball is easily resisted by the hard protruding scale block, the problem that the cleaning ball is blocked frequently occurs during cleaning, and in the case, the fluid with higher pressure is generally introduced to wash away the scale block or force the cleaning ball to extrude the scale block, but the fluid with higher pressure easily causes damage to the structure of the pipe fitting, and meanwhile, the cost is increased. Meanwhile, when the inner wall of the dirt block or the pipe fitting is locally and suddenly enlarged, the whole cleaning ball cannot well scrape dirt inside the pipe fitting, and the cleaning is not clean.
In view of the above problems that the cleaning ball is easy to be jammed and the cleaning is insufficient, some enterprises design automatic cleaning robots, and the robots automatically move in the pipe to clean the pipe, but the robots are complex in structure and high in manufacturing cost, and the environment in the pipe easily forces the whole cleaning robot to be out of order, which results in cleaning efficiency.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and provides a pipe cleaning device and a pipe cleaning system, which can utilize fluid to drive the whole device to move a pipe while forcing a cleaning head to automatically rotate and clean the inner wall of the pipe.
According to the problem to be solved by the invention, a pipe sweeping device is provided, which comprises
The side wall of the outer ring of the propeller is provided with a sweepback taper ring sleeve, and the outer edge of the taper ring sleeve can be attached to the inner wall of the pipe fitting; and
the cleaning head can rotate along the axial direction of the cleaning head so as to clean the inner wall of the pipe fitting;
the propeller is provided with a flow passage, a rotating mechanism is rotatably arranged in the flow passage, and the output end of the rotating mechanism movably penetrates through one end of the flow passage in the cleaning direction and is connected with the cleaning head through a universal structure; when fluid in the pipe fitting passes through the overflowing channel, the fluid can drive the rotating mechanism to rotate, and the rotating mechanism further drives the cleaning head to clean the inner wall of the pipe fitting. In this embodiment, the cleaning head may be a conventional brush head, or may be a rotary scraper, and the brush head or the scraper is used to scrape off the scale layer on the inner wall of the pipe. And in the in-service use, the propeller is similar a piston stopper in the pipe fitting, when the pipe fitting lets in highly compressed fluid, highly compressed fluid promotes whole propeller and cleans the direction and move along the pipe fitting, because be provided with on the propeller and overflow the passageway, highly compressed fluid is because the pressure of both sides is different around the propeller, and then high-pressure fluid can flow through the passageway and enter into the pipe fitting part of propeller motion direction front end, because the area that overflows the passageway is less than the area of pipe fitting, high-pressure fluid must accelerate in overflowing the passageway, can promote rotary mechanism to rotate better, and then drive and clean the head and clean. When whole tub device of sweeping adopts the high pressure circulation to promote the propeller and walk along the pipe fitting inner wall, utilize rotatory cleaning head to brush the dirt layer of pipe fitting inner wall earlier, then utilize the interior dirt layer of conical ring cover scraping and strikeing up the pipe fitting on its outer lane lateral wall, realize the efficient and clean, adopt the pressure differential drive cleaning head of high-pressure fluid around the propeller to rotate moreover, save external power input, reduce the manufacturing cost of product. In addition, the high-pressure fluid ejected from the overflowing channel can blow the dirt and dust swept by the front-end sweeping head to the sweeping direction of the pipeline, so that the dirt and dust is prevented from entering and depositing in the propeller, and the whole propeller is not easy to be blocked in normal work.
As an improvement of the above technical solution, an inlet end of the overflowing channel is arranged on a tail end of the propeller, and an outlet end of the overflowing channel is arranged on one end of the propeller along the cleaning direction; the middle part of the overflowing channel is provided with a contraction throat part, and the cross sectional area of the contraction throat part is smaller than that of the inlet end and the outlet end, so that the overflowing channel forms a Venturi tube structure; the action end of the rotating mechanism is arranged at the contraction throat, and when fluid in the pipe fitting passes through the contraction throat, the fluid can act on the action end of the rotating mechanism so as to realize the autorotation of the rotating mechanism. By utilizing the acceleration characteristic of the Venturi tube, the flow of fluid passing through the action end of the rotating mechanism in unit area and unit time is increased, the acting force is enhanced, the powerful torque output of the rotating mechanism is further ensured, the high-speed rotation of the cleaning head is realized, and the situation that the cleaning head is blocked by a scale block is avoided. In actual use, the inlet end of the overflowing channel is smaller than the area of the tail end face of the whole propeller, so that the reasoning that the tail of the whole propeller can be stressed to move forwards is guaranteed, the pressure difference of the pipe fittings in the front and at the back of the propeller is guaranteed to be large enough, and the torsion of the rotating mechanism is further guaranteed.
As an improvement of the above technical solution, the rotating mechanism includes a rotating main shaft and a plurality of propeller blades, the rotating main shaft is mounted on the inner wall of the contraction throat through a rotating frame, the rotating main shaft and the contraction throat are coaxially arranged, the propeller blades are mounted on one end of the rotating main shaft near the inlet end of the flow passage and form an acting end of the rotating mechanism, and the other end of the rotating main shaft penetrates through the outlet end of the flow passage and is connected with the input end of the universal structure. The whole rotating mechanism is similar to a propeller structure and is mainly used for converting the acting force of high-pressure fluid into rotating torque of a rotating main shaft, so that the self-rotation of the rotating mechanism is realized, external power input is not needed, and the situation that an active power piece driving the cleaning head to rotate is stuck and burnt out is avoided. In practical use, the action surface formed by the propeller blades is provided with a plurality of layers, and extends from the inlet end of the overflowing channel to the outlet end of the overflowing channel, so that high-pressure fluid passing through the overflowing channel can be effectively ensured to convert more momentum into rotating torsion of the rotating spindle yoke, and the cleaning efficiency and the cleaning force of the cleaning head are ensured.
As an improvement of the technical scheme, a concave ring is arranged on the inner wall of the contraction throat part, the acting surfaces formed by all the propeller blades can be rotatably arranged in the concave ring, and the acting surfaces formed by all the propeller blades are not in contact with the inner wall of the concave ring. The concave ring is designed to ensure that the outward edge of the propeller blade is more closely attached to the inner wall of the contraction throat part, so that the stress surface of the whole propeller blade is enlarged, and the impact force of high-pressure fluid is increased. In addition, the arrangement of the concave ring can also force the action surface formed by all the propeller blades in a single layer to rotate in a specified area, so that the propeller blades are prevented from being deformed too much. In actual use, a circular ring or a bearing can be connected to the outer side of an action surface formed by the propeller blades, or the circular ring is used as an inner ring of the bearing, so that the action surface structure formed by the whole propeller blades can better rotate in the concave ring, and the strength of the propeller blades can be ensured.
As an improvement of the technical scheme, a plurality of guide wheels capable of being abutted against the inner wall of the pipe fitting are arranged on the outer wall of the propeller along the circumferential direction, and the guide wheels are connected with the outer wall of the propeller through a compressible expansion bracket. The guide wheel is convenient for the whole propeller to move in the pipe fitting, and the expansion bracket can make the whole propeller adapt to the pipe fitting of different internal diameters, so that the applicability is improved.
As an improvement of the technical scheme, at least two groups of conical ring sleeves are arranged, and the maximum outer diameter of all the conical ring sleeves is gradually increased from front to back along the cleaning direction. Such design can make the outer wall of whole propeller can scrape the inner wall of rubbing clean whole pipe fitting, can be suitable for the pipe fitting of different internal diameters moreover.
As an improvement of the technical scheme, the cleaning head comprises a frustum and a plurality of bristles, a connecting rod connected with a universal structure is arranged on the end face of the large end of the frustum, and the connecting rod and the rotating center line of the frustum are coaxially arranged; the bristles are uniformly arranged on the outer side wall of the large end of the frustum. The design of frustum can be so that whole cleaning head when advancing in the pipe fitting, can reduce the dirt piece and keep off whole cleaning head, also be convenient for simultaneously whole sweep the pipe fitting can freely walk in the pipe fitting of certain camber, reach the effect of direction, avoid whole to sweep the condition appearance that the pipe fitting jamming appears.
As an improvement of the above technical scheme, the bristles comprise long bristles and short bristles, and a plurality of long bristles and a plurality of short bristles are bundled into a bundle; the outer side wall of the large end of the frustum is provided with a plurality of mounting holes, and the bunched bristles are inserted into the mounting holes. The setting up of long brush hair and short brush hair can make whole cleaning head can adapt to the pipe fitting of different pipe diameters to a certain extent, and setting up different in length makes whole brush hair reach different bending degree moreover, realizes the soft or hard and combines, avoids scraping the inner wall of colored whole pipe fitting.
As an improvement of the technical scheme, the frustum is provided with a plurality of through holes along the axial direction of the frustum. The high-pressure fluid ejected from the whole flow passage can directly pass through the through hole and impact the scale layer at the front end of the cleaning head, and the dust removal capacity of the whole frustum is improved. In the application, the connecting structure between the through holes can also be designed into a structure of a spiral fan blade, so that residual high-pressure fluid ejected from the flow passage can be effectively utilized, and the whole cleaning head is also a rotating propeller.
The application also provides a cleaning system, adopts sweep a tub device.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the invention mated to a pipe;
fig. 4 is a schematic structural diagram of a cleaning head according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 4, the invention provides a cleaning system, in particular to a pipe cleaning device for cleaning an inner scale layer of a pipe fitting 3, which comprises a propeller 1 and a cleaning head 2, wherein the outer ring side wall of the propeller 1 is provided with a sweepback taper ring sleeve 5, and the outer edge of the taper ring sleeve 5 can be attached to the inner wall of the pipe fitting 3; the cleaning head 2 can rotate along the axial direction of the cleaning head so as to clean the inner wall of the pipe fitting 3; in addition, the propeller 1 is provided with a flow passage 11, a rotating mechanism 12 is rotatably mounted in the flow passage 11, and the output end of the rotating mechanism 12 movably penetrates through one end of the flow passage 11 in the cleaning direction and is connected with the cleaning head 2 through a universal structure 4; the cleaning direction is in this application indicated by arrow B in fig. 3, and the gimbal structure 4 may be a gimbal head or a gimbal connection head in this application. When the fluid in the pipe 3 passes through the flow passage 11, the fluid can drive the rotating mechanism 12 to rotate, and the rotating mechanism 12 further drives the cleaning head 2 to clean the inner wall of the pipe 3. In this embodiment, the cleaning head 2 may be a conventional brush head, or may be a rotary scraper, and the brush head or the scraper is used to scrape off the scale layer on the inner wall of the pipe 3. And in the in-service use, propeller 1 is similar a piston stopper in pipe fitting 3, when pipe fitting 3 lets in highly compressed fluid, highly compressed fluid promotes whole propeller 1 and cleans the direction and move along pipe fitting 3, because be provided with overflow channel 11 on propeller 1, highly compressed fluid is because the pressure of propeller 1 front and back both sides is different, and then high-pressure fluid can pass through overflow channel 11 and enter into the pipe fitting 3 part of propeller 1 motion direction front end, because the area that overflows channel 11 is less than the area of pipe fitting 3, high-pressure fluid must accelerate in overflow channel 11, can promote rotary mechanism 12 to rotate better, and then drive cleaning head 2 and clean. Whole tub device of sweeping adopts the high pressure circulation to promote propeller 1 when walking along 3 inner walls of pipe fitting, utilizes rotatory cleaning head 2 to brush the dirt layer of moving pipe fitting 3 inner walls earlier, then utilizes the inside dirt layer of awl ring cover 5 scraping on its outer lane lateral wall to catch up pipe fitting 3, realizes the efficient and cleans, adopts high-pressure fluid to drive cleaning head 2 to rotate at propeller 1 front and back pressure differential drive moreover, saves external power input, reduces the manufacturing cost of product. In addition, the high-pressure fluid ejected from the overflowing channel 11 can blow the dirt and dust swept by the front-end sweeping head 2 to the sweeping direction of the pipeline, so that the dirt and dust is prevented from entering and depositing in the propeller 1, and the whole propeller 1 is not easy to be stuck in normal operation.
In order to enable the whole pipe sweeping device to better slide in the pipe fitting 3, a plurality of guide wheels 18 capable of being abutted to the inner wall of the pipe fitting 3 are arranged on the outer wall of the propeller 1 along the circumferential direction, and the guide wheels 18 are connected with the outer wall of the propeller 1 through compressible telescopic frames 19. The guide wheel 18 facilitates the movement of the whole thruster 1 inside the pipe 3, while the telescopic frame 19 enables the whole thruster 1 to adapt to pipes 3 of different internal diameters, improving the applicability. The telescopic frame 19 can be a conventional scissor frame in the present application, and the extension of the entire guide wheel 18 can be adjusted according to actual requirements. Besides, the telescopic frame 19 may also be a conventional spring telescopic rod, which has no specific requirement as long as a structure for adjusting the telescopic amount can be realized.
In practical use, because the diameters of the cross sections of the inner walls of the pipe fittings 3 are not consistent everywhere, the conical ring sleeves 5 are provided with at least two groups, and all the conical ring sleeves 5 are gradually enlarged from the front to the rear maximum outer diameter along the cleaning direction. Such design can make the outer wall of whole propeller 1 can scrape the inner wall of rubbing clean whole pipe fitting 3, can be suitable for the pipe fitting 3 of different internal diameters moreover. And awl ring cover 5 is made for soft rubber materials for whole propeller 1 is similar to a piston head, can keep constantly with the inner wall butt of pipe fitting 3, so that scrape clean the inside dirt layer of pipe fitting 3.
Referring to fig. 3, further, in order to obtain a larger torque of the cleaning head 2 in the present application, the inlet end 14 of the through-flow channel 11 is arranged on the tail end of the propeller 1, and the outlet end 15 of the through-flow channel 11 is arranged on one end of the propeller 1 in the cleaning direction; a contraction throat part 13 is arranged in the middle of the overflowing channel 11, and the cross-sectional area of the contraction throat part 13 is smaller than that of the inlet end 14 and the outlet end 15, so that the overflowing channel 11 forms a Venturi tube structure; the action end of the rotating mechanism 12 is arranged at the contraction throat 13, and the fluid in the pipe fitting 3 can act on the action end of the rotating mechanism 12 when passing through the contraction throat 13 so as to realize the autorotation of the rotating mechanism 12. By utilizing the acceleration characteristic of the Venturi tube, the flow of the fluid passing through the action end of the rotating mechanism 12 in unit area and unit time is increased, the acting force is enhanced, the strong torque output of the rotating mechanism 12 is further ensured, the high-speed rotation of the cleaning head 2 is realized, and the condition that the cleaning head 2 is blocked by the scale block is avoided. In practical use, the inlet end 14 of the overflowing channel 11 is smaller than the area of the tail end face of the whole propeller 1, so that the reasoning that the tail of the whole propeller 1 can be stressed to move forwards is guaranteed, the pressure difference of the pipe 3 in front of and behind the propeller 1 is also guaranteed to be large enough, and the torsion of the rotating mechanism 12 is further guaranteed.
In another embodiment of the present application, the rotating mechanism 12 includes a rotating main shaft 121 and a plurality of propeller blades 122, the rotating main shaft 121 is installed on the inner wall of the throat 13 through the rotating frame 16, the rotating main shaft 121 and the throat 13 are coaxially arranged, the propeller blades 122 are installed on one end of the rotating main shaft 121 close to the inlet end 14 of the flow passage 11 and form an acting end of the rotating mechanism 12, and the other end of the rotating main shaft 121 passes through the outlet end 15 of the flow passage 11 and is connected to the input end of the universal structure 4. The whole rotating mechanism 12 is similar to a propeller structure and is mainly used for converting the acting force of high-pressure fluid into rotating torque of the rotating main shaft 121, so that the rotating mechanism 12 can rotate automatically, external power input is not needed, and the situation that an active power piece driving the cleaning head 2 to rotate is stuck and burnt out is avoided. In practical use, the active surface formed by the propeller blades 122 is provided with a plurality of layers, and extends from the inlet end 14 of the overflow channel 11 to the outlet end 15 of the overflow channel 11, so that the high-pressure fluid passing through the overflow channel 11 can effectively convert more momentum into the yoke rotating torque of the rotating main shaft 121, and the cleaning efficiency and the cleaning force of the cleaning head 2 are ensured.
Referring to fig. 3, a concave ring 17 is disposed on the inner wall of the throat 13, and the active surface formed by all the propeller blades 122 is rotatably installed in the concave ring 17, and the active surface formed by all the propeller blades 122 is not in contact with the inner wall of the concave ring 17. The concave ring 17 is designed to make the outward edge of the propeller blade 122 more closely contact with the inner wall of the constricted throat 13, so that the force bearing surface of the whole propeller blade 122 is enlarged, and the impact force of the high-pressure fluid is increased. In addition, the concave ring 17 can force the action surface formed by all the propeller blades 122 in a single layer to rotate in a specified area, so that the propeller blades 122 are prevented from being deformed too much. In practical use, a ring or a bearing may be connected to the outer side of the active surface formed by the propeller blades 122, or the ring may be used as the inner ring of the bearing, so that the active surface structure formed by the whole propeller blades 122 can better rotate in the concave ring 17, and the strength of the propeller blades 122 can be ensured.
With further reference to fig. 1, 2 and 4, the cleaning head 2 includes a frustum 21 and a plurality of bristles 22, a connecting rod 24 connected with the universal structure 4 is arranged on the large end face of the frustum 21, and the connecting rod 24 is arranged coaxially with the rotation center line of the frustum 21; the brush bristles 22 are uniformly arranged on the outer side wall of the large end of the frustum 21. The design of frustum 21 can be so that whole cleaning head 2 when advancing in pipe fitting 3, can reduce the dirt piece and keep out whole cleaning head 2, also be convenient for whole sweep the pipe fitting and can freely walk in pipe fitting 3 of certain camber simultaneously, reach the effect of direction, avoid the whole condition of sweeping the pipe fitting jamming to appear.
Wherein the bristles 22 comprise long bristles and short bristles, and a plurality of the long bristles and a plurality of the short bristles are bundled into a bundle; the outer side wall of the large end of the frustum 21 is provided with a plurality of mounting holes 25, and the bunched bristles 22 are inserted into the mounting holes 25. The setting of long brush hair and short brush hair can make whole cleaning head 2 can adapt to the pipe fitting 3 of different pipe diameters to a certain extent, and setting up different in length makes whole brush hair 22 reach different bending degree moreover, realizes the soft or hard combination, avoids scraping the inner wall of colored whole pipe fitting 3. The bristles 22 with different lengths are mainly used for adapting to different inner diameters of the pipe 2, so that the bristles 22 are easy to bend and deform.
In order to make better use of the residual high pressure fluid passing through the impeller 1, the frustum 21 is provided with a plurality of through holes 23 in the direction of its axis. The high-pressure fluid ejected from the whole overflowing channel 11 can directly pass through the through hole 23 and impact the scale layer at the front end of the cleaning head 2, and the dust removal capacity of the whole frustum 21 is improved. In the present application, the connection structure between the through holes 23 can also be designed as a spiral fan structure, which can also effectively utilize the residual high-pressure fluid ejected from the flow passage 11, so that the whole cleaning head 2 is also a rotating propeller.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A pipe sweeping device is characterized by comprising
The propeller (1) is provided with a sweepback taper ring sleeve (5) on the side wall of the outer ring of the propeller, and the outer edge of the taper ring sleeve (5) can be attached to the inner wall of the pipe fitting (3); and
the cleaning head (2) can rotate along the axial direction of the cleaning head to clean the inner wall of the pipe fitting (3);
the cleaning device comprises a propeller (1), a flow passage (11) and a rotating mechanism (12), wherein the flow passage (11) is provided with the rotating mechanism (12), the output end of the rotating mechanism (12) movably penetrates through one end of the flow passage (11) in the cleaning direction and is connected with a cleaning head (2) through a universal structure (4); when fluid in the pipe fitting (3) passes through the overflowing channel (11), the fluid can drive the rotating mechanism (12) to rotate, and the rotating mechanism (12) further drives the cleaning head (2) to clean the inner wall of the pipe fitting (3).
2. A pipe sweeping device according to claim 1, wherein the inlet end (14) of the through-flow channel (11) is arranged at the trailing end of the propeller (1), and the outlet end (15) of the through-flow channel (11) is arranged at one end of the propeller (1) in the sweeping direction; a contraction throat part (13) is arranged in the middle of the overflowing channel (11), and the cross sectional area of the contraction throat part (13) is smaller than that of the inlet end (14) and the outlet end (15), so that the overflowing channel (11) forms a Venturi tube structure; the action end of the rotating mechanism (12) is arranged at the contraction throat part (13), and fluid in the pipe fitting (3) can act on the action end of the rotating mechanism (12) when passing through the contraction throat part (13) so as to realize the rotation of the rotating mechanism (12).
3. The pipe sweeping device according to claim 2, wherein the rotating mechanism (12) comprises a rotating main shaft (121) and a plurality of propeller blades (122), the rotating main shaft (121) is mounted on the inner wall of the contraction throat (13) through a rotating frame (16), the rotating main shaft (121) and the contraction throat (13) are coaxially arranged, the propeller blades (122) are mounted on one end of the rotating main shaft (121) close to the inlet end (14) of the overflowing channel (11) and form an acting end of the rotating mechanism (12), and the other end of the rotating main shaft (121) passes through the outlet end (15) of the overflowing channel (11) and is connected with the input end of the universal structure (4).
4. A tube sweeping device according to claim 3, wherein the inner wall of the constricted throat (13) is provided with a recessed ring (17), the active surfaces formed by all the propeller blades (122) being rotatably mounted in the recessed ring (17), the active surfaces formed by all the propeller blades (122) not being in contact with the inner wall of the recessed ring (17).
5. A pipe sweeping device according to any one of claims 1 to 4, wherein a plurality of guide wheels (18) capable of abutting against the inner wall of the pipe (3) are circumferentially arranged on the outer wall of the propeller (1), and the guide wheels (18) are connected with the outer wall of the propeller (1) through compressible telescopic frames (19).
6. A tube sweeping device according to claim 1, wherein the conical rings (5) are arranged in at least two groups, all conical rings (5) having a larger maximum outer diameter from front to back in the sweeping direction.
7. A pipe sweeping device according to any one of claims 1 to 4, wherein the cleaning head (2) comprises a frustum (21) and a plurality of bristles (22), a connecting rod (24) connected with the universal structure (4) is arranged on the large end face of the frustum (21), and the connecting rod (24) is arranged coaxially with the rotation center line of the frustum (21); the bristles (22) are uniformly arranged on the outer side wall of the large end of the frustum (21).
8. A tube sweeping device according to claim 7, wherein said bristles (22) comprise long bristles and short bristles, said long bristles and said short bristles being bundled together; the outer side wall of the large end of the frustum (21) is provided with a plurality of mounting holes (25), and the bunched bristles (22) are inserted into the mounting holes (25).
9. A tube sweeping device according to claim 7, wherein the frustum (21) is provided with a plurality of through holes (23) along its axis.
10. A sweeping system, characterized in that: use of a tube sweeping device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910830302.4A CN110586587A (en) | 2019-09-04 | 2019-09-04 | Pipe sweeping device and sweeping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112371668A (en) * | 2020-10-20 | 2021-02-19 | 山西农业大学信息学院 | Scrubbing device for environmental design |
| CN112517567A (en) * | 2020-11-16 | 2021-03-19 | 中国石油大学(华东) | Novel rotatory injection formula anti-sticking of oil gas pipeline clean pig of stifled pipeline |
| CN113245321A (en) * | 2021-05-14 | 2021-08-13 | 中国计量大学 | Self-adaptive passive cleaning robot for flammable and explosive dust pipeline |
| CN113482138A (en) * | 2021-07-16 | 2021-10-08 | 华能巢湖发电有限责任公司 | Floating ash treatment mechanism in drainage pipeline |
| CN115502155A (en) * | 2022-09-20 | 2022-12-23 | 中国建筑土木建设有限公司 | Inner wall cleaning device for water supply and drainage pipeline for municipal building house and use method thereof |
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