CN113145581A - Variable-section pipeline descaling device - Google Patents
Variable-section pipeline descaling device Download PDFInfo
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- CN113145581A CN113145581A CN202110171166.XA CN202110171166A CN113145581A CN 113145581 A CN113145581 A CN 113145581A CN 202110171166 A CN202110171166 A CN 202110171166A CN 113145581 A CN113145581 A CN 113145581A
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- brush head
- shell
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- adaptive
- front shell
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- 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
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
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- 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
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a variable-section pipeline descaling device, which comprises a shell, a support frame and a driving device, wherein a supercharging mechanism, a liquid storage mechanism and a liquid outlet mechanism are arranged in the shell, and a plurality of self-adaptive brush heads are arranged outside the shell; the shell comprises a front shell and a rear shell; a connecting rod mechanism is also arranged in the front shell; the liquid outlet mechanism comprises a main flow channel and a jet flow channel, and a liquid inlet of the main flow channel is connected with the liquid storage cylinder; the self-adaptive brush head comprises a brush head part, an elastic connecting part and a fixed rod, the fixed rod extends into the front shell and is in transmission connection with the connecting rod mechanism, and the elastic connecting part is elastically connected between the upper top surface of the fixed rod and the lower bottom surface of the brush head part. The invention has reasonable structural design, the brush head can be effectively adapted to a variable-section pipeline, simultaneously, the arrangement mode of the brush hair and the scraping blades on the brush head is optimized, the descaling efficiency is obviously improved, and the invention has simple structure, low manufacturing cost, economy and practicability.
Description
Technical Field
The invention relates to the technical field of pipeline descaling, in particular to a variable-section pipeline descaling device.
Background
The fouling on the surface of the pipeline is formed by the chemical, physical or biological action on the surface of the pipeline. Because the pipeline transports the medium such as oil gas, etc., the medium contains organic matter, H2S、CO2And impurities such as various ions, bacteria, silt and the like are easy to scale. The scaling of the pipeline can cause the diameter reduction of the pipeline, the reduction of the flow cross section area, the pressure reduction, the discharge reduction and even the pipeline blockage. Meanwhile, the scaling of the pipeline can also induce local corrosion of the pipeline, so that the pipeline is leaked, even the pipeline is perforated, and a leakage accident is caused. At present, the existing conventional pipeline descaling device has poor descaling efficiency, and cannot well deal with the descaling problems of pipelines with different diameters and variable cross sections, so that a descaling device capable of effectively dealing with the variable cross sections is needed to be additionally designed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the invention provides the variable-section pipeline descaling device which can adapt to different pipe diameters in the operation process, can effectively clean dirt in the variable-section pipeline through the self-adapting rotary brush head, and has the advantages of high descaling efficiency, simple structure, low manufacturing cost, economy and practicability.
The technical scheme adopted by the invention for solving the technical problems is as follows: a variable cross-section pipeline descaling device comprises a shell, a support frame which is telescopically connected outside the shell and a driving device which drives the shell to advance, wherein a supercharging mechanism, a liquid storage mechanism and a liquid outlet mechanism are arranged in the shell, and a plurality of self-adaptive brush heads are arranged outside the shell; the shell comprises a front shell and a rear shell, and the front shell is rotatably connected with the rear shell through a bearing; a connecting rod mechanism for driving each self-adaptive brush head to rotate is further arranged in the front shell; the liquid storage mechanism and the liquid outlet mechanism are both arranged in the front shell, the liquid storage mechanism comprises a liquid storage cylinder, a piston is arranged in the liquid storage cylinder, and the piston is driven by a pressurization mechanism to move; the liquid outlet mechanism comprises a main flow channel and jet flow channels connected to the main flow channel at intervals, and a liquid inlet of the main flow channel is connected with the liquid storage cylinder; the self-adaptive brush head comprises a brush head part, an elastic connecting part and a fixed rod, wherein the fixed rod extends into the front shell and is in transmission connection with the connecting rod mechanism, and the elastic connecting part is elastically connected between the upper top surface of the fixed rod and the lower bottom surface of the brush head part.
In the scheme, the character self-adaptive brush head is skillfully designed, the variable-section pipeline can be well responded by the elastic connecting part, the elastic connecting part in the self-adaptive brush head can adapt to different pipe diameters, the upper top surface of the brush head part is elastically pressed on the inner wall of the pipeline, the friction force of the brush head part is increased when the front shell rotates for cleaning, and dirt is removed more effectively; meanwhile, the self-adaptive brush head is designed into a connecting rod structure, so that the self-adaptive brush head can be driven to rotate, and the descaling capacity of the pipe wall is further improved.
Furthermore, a plurality of groups of bristles are distributed on the upper top surface of the brush head part, the starting point of each group of bristles is positioned at the center of the upper top surface of the brush head part, and each group of bristles is spirally distributed in a counterclockwise direction by taking the starting point as the center; and a scraper group is also fixed on the surface of the self-adaptive brush head between two adjacent groups of bristles. The brush head part rotates anticlockwise, so that dirt on the wall of the pipe can be effectively cleaned. Meanwhile, the inserted scraping sheets can provide blocking for dirt thrown out when the brush head part rotates anticlockwise, so that the dirt is prevented from being thrown from one brush head part to the other brush head part, but the dirt can be blocked by the scraping sheets and is obliquely thrown out along the surface of the scraping sheets, and the dirt is prevented from blocking the bristles.
Furthermore, each scraping piece group comprises two parallelogram scraping pieces, and the included angle between a connecting line between a starting point and an end point of each scraping piece on the plane of the upper top surface of the brush head part and a connecting line between the starting point and the center of the surface of the self-adaptive brush head is 15 degrees. The design of the included angle can block dirt thrown off by inertia on the brush head part, and a path different from the throwing-off of the brush head part is formed, so that the dirt can be conveniently guided to be thrown off and washed, and the attachment of the dirt to the brush head part is reduced.
Furthermore, a plurality of groups of self-adaptive brush head groups are axially distributed on the outer peripheral surface of the front shell along the front shell, and each group of self-adaptive brush head groups comprises a plurality of self-adaptive brush heads surrounding the peripheral surface of the front shell in the circumferential direction; and the self-adaptive brush head groups with equal group number are distributed between two adjacent jet flow channels along the axial direction of the front shell.
Furthermore, the liquid storage cylinder is also provided with a liquid filling port, the liquid filling port extends out of the front shell, and a plug cap is arranged in the liquid filling port in a matching mode.
Furthermore, the angle between the sprayed liquid and the inner wall of the pipeline is 45 degrees. The liquid ejected by the jet angle can effectively weaken the adhesive force of dirt on the pipe wall, so that the dirt on the pipe wall can be peeled off to a great extent, and the dirt is easier to separate.
Furthermore, the connecting rod mechanism comprises a brush head transmission disc, a connecting shaft rod, a coupling and a distributor; the coupling joint be connected at the connecting shaft pole tail end and with divide the motor transmission to be connected, every self-adaptation brush head bottom all is fixed with brush head driving disc, every brush head driving disc all transmission is connected with connecting shaft driving disc, connecting shaft driving disc be connected with connecting shaft pole transmission respectively. Through the design of the connecting rod structure, the output torque of the motor distributor can be converted into the torque of the self-adaptive brush head, the self-adaptive brush head on the same connecting shaft rod can rotate anticlockwise at the same time, the rotating speed of the motor distributor is controlled, and the cooperative control effect of the self-adaptive brush head is achieved.
Furthermore, a main motor for driving the front shell to integrally rotate is arranged in the rear shell, the output end of the main motor is connected with a rotating shaft, and the rotating shaft is in transmission connection with the front shell; the supercharging mechanism is arranged in the rear shell and comprises a worm wheel, a worm and a piston rod, the worm wheel is matched with the worm, the front end of the piston rod extends into the liquid storage cylinder and is fixed with the piston, and the rear end of the piston rod is fixed with the worm.
Furthermore, drive arrangement include hinge, elasticity telescopic link and drive wheel, the hinge articulate outside the back casing, the drive wheel rotates to be connected in the hinge outer end, elasticity telescopic link one end and hinged joint, the other end is connected with the back casing. The drive wheel is pressed against the tube wall to provide power as the device advances.
The variable-cross-section pipeline descaling device has the advantages that the structural design is reasonable, the brush head can be effectively matched with the variable-cross-section pipeline, the arrangement mode of the bristles and the scraping blades on the brush head is optimized, the descaling efficiency is remarkably improved, the structure is simple, the manufacturing cost is low, and the device is economical and practical.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view (without linkage) of the preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of the preferred embodiment of the present invention including a linkage mechanism.
Fig. 3 is a distribution diagram of the adaptive brushhead, front housing, jet flow path in a preferred embodiment of the invention.
Figure 4 is a schematic view of the distribution of the brush head bristles and the parallelogram blades of the preferred embodiment of the invention.
In the figure, the brush head self-adaptive brush head 2, the jet flow channel 3, the main flow channel 4, the liquid filling port 5, the plug cap 6, the bearing 7, the rotating shaft 8, the supporting frame 9, the worm wheel 10, the hinge 11, the elastic telescopic rod 12, the power supply 13, the worm 14, the piston rod 15, the piston 16, the liquid storage cylinder 17, the brush head transmission disc 18, the connecting shaft transmission disc 19, the coupler 20, the distributor 21, the brush head part 22, the elastic connecting part 23, the fixing rod 24, the driving wheel 25, the parallelogram scraping blade 26 and the bristles are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The scale removing device for the variable cross-section pipeline as shown in fig. 1 to 4 is a preferred embodiment of the invention, and comprises a shell, a support frame 8 which is telescopically connected outside the shell, and a driving device which drives the shell to advance, wherein a pressurizing mechanism, a liquid storage mechanism and a liquid outlet mechanism are arranged in the shell, and a plurality of self-adaptive brush heads 1 are arranged outside the shell.
The housing comprises a front housing and a rear housing which are rotatably connected by a bearing 6. The rear shell is internally provided with a main motor which drives the front shell to integrally rotate, the output end of the main motor is connected with a rotating shaft 7, and the rotating shaft 7 is in transmission connection with the front shell. And a power supply 12 for supplying power to the main motor and the supercharging mechanism is also arranged in the rear shell.
The driving device comprises a hinge 10, an elastic telescopic rod 11 and a driving wheel 24, wherein the hinge 10 is hinged outside the rear shell, the driving wheel 24 is rotatably connected to the outer end of the hinge 10, one end of the elastic telescopic rod 11 is connected with the hinge 10, and the other end of the elastic telescopic rod is connected with the rear shell; the drive wheel 24 is rolled against the inner wall of the pipe. The elastic telescopic rod 11 is in a contraction state when the device is used for cleaning dirt and in an extension state when the device is used for advancing, and the driving wheel 24 is pressed on the pipe wall and provides power when the device is used for advancing. The drive means as a whole is powered by a power supply 12.
A connecting rod mechanism for driving each self-adaptive brush head 1 to rotate is also arranged in the front shell. The connecting rod mechanism comprises a brush head transmission disk 17, a connecting shaft transmission disk 18, a connecting shaft rod, a coupling and a distributor 20; the shaft coupling 19 is connected at the even axostylus axostyle tail end and is connected with the transmission of distributor 20, and every self-adaptation brush head 1 bottom all is fixed with brush head drive plate 17, and every brush head drive plate 17 all transmission is connected with even axle drive plate 18, and even axle drive plate 18 is connected with even axostylus axostyle transmission respectively. Through the design of the connecting rod structure, the output torque of the power distribution motor 20 can be converted into the torque of the self-adaptive brush head 1, the self-adaptive brush head 1 on the same connecting shaft rod can rotate anticlockwise at the same time, the rotating speed of the power distribution motor 20 is controlled, and the cooperative control effect on the self-adaptive brush head 1 is achieved.
Liquid storage mechanism and play liquid mechanism all set up in the casing before, and liquid storage mechanism includes liquid storage cylinder 16, is equipped with piston 15 in the liquid storage cylinder 16, and piston 15 is by the motion of booster mechanism drive. The supercharging mechanism is arranged in the rear shell and comprises a worm wheel 9, a worm 13 and a piston rod 14, the worm wheel 9 is matched with the worm 13, the front end of the piston rod 14 extends into the liquid storage cylinder 16 to be fixed with the piston 15, and the rear end of the piston rod is fixed with the worm 13. The liquid storage cylinder 16 is also provided with a filling opening 4, the filling opening 4 extends out of the front shell body, and a plug cap 5 is arranged in the filling opening 4 in a matching way.
The liquid outlet mechanism comprises a main flow channel 3 and jet flow channels 2 connected to the main flow channel 3 at intervals, and a liquid inlet of the main flow channel 3 is connected with a liquid storage cylinder 16. The angle between the liquid sprayed in the jet flow channel 2 and the inner wall of the pipeline is 45 degrees. In the using process, liquid is added into the liquid storage tank 16 through the liquid adding port 4, and two-phase cleaning agents can be selected as liquid adding components. During descaling, the pressurizing mechanism drives the piston 15 to move back and forth, so that the air pressure in the liquid storage cylinder 16 changes, and the added liquid enters the jet flow channel 2 from the main flow channel 3 and is ejected from the liquid outlet of the jet flow channel 2 under the action of the air pressure. The liquid ejected at the jet angle of 45 degrees can effectively weaken the adhesive force of dirt on the pipe wall, thereby being capable of peeling off the dirt on the pipe wall to a great extent and leading the dirt to be easier to separate.
The self-adaptive brush head 1 comprises a brush head part, an elastic connecting part and a fixed rod, wherein the fixed rod extends into the front shell and is in transmission connection with the connecting rod mechanism, and the elastic connecting part is elastically connected between the upper top surface of the fixed rod and the lower bottom surface of the brush head part. Elastic connection portion can select for use elastic component such as spring, through the adaptation of elastic component, can make brush head portion can effective crimping at the pipeline inner wall of different pipe diameters, can be fine carry out the dirt clearance to the variable cross-section pipeline, frictional force increase when the procapsid rotates when clean brush head portion rotates, and the dirt is clear away more effectively.
In the actual design, as shown in fig. 4, twelve groups of bristles 26 are arranged on the upper top surface of the brush head part, the starting point of each group of bristles 26 is located at the center of the upper top surface of the brush head part, and each group of bristles 26 is spirally distributed counterclockwise by taking the starting point as the center; a scraper group is also fixed on the surface of the self-adaptive brush head 1 between the adjacent two groups of bristles 26. The brush head part rotates anticlockwise, so that dirt on the wall of the pipe can be effectively cleaned. Meanwhile, the inserted scraping sheets can provide blocking for dirt thrown out when the brush head part rotates anticlockwise, so that the dirt is prevented from being thrown from one brush head part to the other brush head part, but can be blocked by the scraping sheets and is obliquely thrown out along the surface of the scraping sheets, and the dirt is prevented from blocking the bristles 26.
Each scraping piece group comprises two parallelogram scraping pieces 25, and the included angle between the connecting line between the starting point and the end point of the plane of the upper top surface of the brush head part and the connecting line between the starting point and the center of the surface of the self-adaptive brush head 1 is 15 degrees. Due to the design of the included angle, dirt thrown out of the brush head part due to inertia is blocked, the dirt is brushed on the surface of the parallelogram scraping blade 25 after being thrown out of the brush head part, and then the dirt is continuously thrown out along the surface of the parallelogram scraping blade 25 under the action of thin centrifugal force. Because the throwing path is blocked by the parallelogram, the throwing path of the dirt is different from the spiral path of the brush head part, so that the attachment of the dirt to the brush head part is reduced, the dirt is conveniently washed and cleaned after being thrown out of the brush head part, the condition that the dirt is attached to the brush head part again to cause secondary attachment is reduced, and the possibility of secondary attachment to the pipe wall is also reduced.
Correspondingly, the self-adaptive brush head groups along the axial direction of the shell are correspondingly designed into groups, a plurality of self-adaptive brush head groups are distributed on the outer peripheral surface of the front shell along the axial direction of the front shell, and each self-adaptive brush head group comprises a plurality of self-adaptive brush heads 1 surrounding the peripheral surface of the front shell in the circumferential direction; and the self-adaptive brush head groups with equal group number are distributed between two adjacent jet flow channels 2 along the axial direction of the front shell. In the actual design, in order to meet the design requirements, the self-adaptive brush head 1 is in a regular grouping design along the radial direction and the axial direction of the front shell, and is grouped according to the distribution of the connecting shaft rods in the axial direction and is grouped according to the radial section of the front shell in the radial direction.
When the descaling device works, the descaling device is controlled by the driving device to integrally advance along the inner wall of the pipeline. When the device advances in the pipe, the worm wheel 9 and the worm 13 stop moving, the support frame 8 on the rear shell is decompressed and contracted, the elastic telescopic rod of the driving device presses the driving wheel 24 on the pipe wall, and at the moment, the power supply 12 provides power for the driving wheel 24 to drive the whole device to move in the pipe.
When the inner wall of the pipeline needs to be descaled, the power supply 12 supplies power, the main motor acts to drive the front shell to rotate anticlockwise. At the moment, the supporting frame 8 on the rear shell body pressurizes and supports the pipe wall, the worm wheel 9 and the worm 13 rotate to drive the piston rod 14 to move forwards, the piston 15 moves forwards to extrude liquid filling in the liquid storage cylinder 16, and the liquid filling is sprayed out from the jet flow channel 2 along the main flow channel 3. At this moment, the distributor 20 also works synchronously to drive the connecting shaft transmission disc 18 on the same connecting shaft rod to rotate, and the connecting shaft transmission disc 18 correspondingly drives the brush head transmission disc 17 to rotate, so that the self-adaptive brush head 1 stably rotates anticlockwise. At the moment, each self-adaptive brush head 1 can adapt to the inner walls of pipelines with different inner diameters, such as round and elliptical transition pipes or pipe diameters with concave-convex sections, due to the action of elastic parts such as springs, and the like, so that effective descaling operation can be performed on the pipelines with variable cross sections. Through the cooperation of the revolution front shell rotation and the rotation self-adaptive brush head 1 rotation, the descaling efficiency is effectively improved.
The variable-section pipeline descaling device is reasonable in structural design, the self-adaptive brush head 1 can be adapted to a variable-section pipeline, and the self-adaptive brush head 1 can rotate and break dirt on the pipe wall through the rotation of the connecting rod mechanism. The arrangement mode of the brush bristles 26 and the scraping blades 25 on the brush head part is optimized, and the two-phase cleaning liquid is matched to realize descaling. The descaling device for the variable-cross-section pipeline has the advantages of obviously improved descaling efficiency, simple structure, low manufacturing cost, economy and practicability.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a variable cross-section pipeline scale removal device which characterized in that: the toothbrush comprises a shell, a support frame (8) which is telescopically connected outside the shell and a driving device for driving the shell to advance, wherein a supercharging mechanism, a liquid storage mechanism and a liquid outlet mechanism are arranged in the shell, and a plurality of self-adaptive brush heads (1) are arranged outside the shell;
the shell comprises a front shell and a rear shell, and the front shell is rotationally connected with the rear shell through a bearing (6); a connecting rod mechanism for driving each self-adaptive brush head (1) to rotate is further arranged in the front shell;
the liquid storage mechanism and the liquid outlet mechanism are both arranged in the front shell, the liquid storage mechanism comprises a liquid storage cylinder (16), a piston (15) is arranged in the liquid storage cylinder (16), and the piston (15) is driven by a pressurization mechanism to move; the liquid outlet mechanism comprises a main flow channel (3) and jet flow channels (2) connected to the main flow channel (3) at intervals, and a liquid inlet of the main flow channel (3) is connected with a liquid storage cylinder (16);
the self-adaptive brush head (1) comprises a brush head part, an elastic connecting part and a fixed rod, wherein the fixed rod extends into the front shell and is in transmission connection with the connecting rod mechanism, and the elastic connecting part is elastically connected between the upper top surface of the fixed rod and the lower bottom surface of the brush head part.
2. A variable cross-section pipe descaling device according to claim 1, wherein: a plurality of groups of bristles (26) are distributed on the upper top surface of the brush head part, the starting point of each group of bristles (26) is positioned at the center of the upper top surface of the brush head part, and each group of bristles (26) is spirally distributed in a counterclockwise direction by taking the starting point as the center; a scraper group is also fixed on the surface of the self-adaptive brush head (1) between two adjacent groups of bristles (26).
3. A variable cross-section pipe descaling device according to claim 2, wherein: each scraping piece group comprises two parallelogram scraping pieces (25), and an included angle between a connecting line between a starting point and an end point of each scraping piece on a plane where the upper top surface of the brush head part is located and a connecting line between the starting point and the center of the surface of the self-adaptive brush head (1) is 15 degrees.
4. A variable cross-section pipe descaling device according to claim 1, wherein: a plurality of groups of self-adaptive brush head groups are axially distributed on the outer peripheral surface of the front shell along the front shell, and each group of self-adaptive brush head groups comprises a plurality of self-adaptive brush heads (1) surrounding the outer peripheral surface of the front shell in the circumferential direction; and self-adaptive brush head groups with equal group number are distributed between two adjacent jet flow channels (2) along the axial direction of the front shell.
5. A variable cross-section pipe descaling device according to claim 1, wherein: the liquid storage cylinder (16) is also provided with a liquid filling port (4), the liquid filling port (4) extends out of the front shell body, and a plug cap (5) is arranged in the liquid filling port (4) in a matched mode.
6. A variable cross-section pipe descaling device according to claim 1, wherein: the angle between the sprayed liquid in the jet flow channel (2) and the inner wall of the pipeline is 45 degrees.
7. A variable cross-section pipe descaling device according to claim 1, wherein: the connecting rod mechanism comprises a brush head transmission disc (17), a connecting shaft transmission disc (18), a connecting shaft rod, a coupling and a distributor (20); the self-adaptive brush head is characterized in that the coupler (19) is connected to the tail end of the connecting shaft rod and is in transmission connection with the power distribution machine (20), a brush head transmission disc (17) is fixed at the bottom of each self-adaptive brush head (1), each brush head transmission disc (17) is in transmission connection with a connecting shaft transmission disc (18), and the connecting shaft transmission discs (18) are in transmission connection with the connecting shaft rod respectively.
8. A variable cross-section pipe descaling device according to claim 1, wherein: a main motor for driving the front shell to integrally rotate is arranged in the rear shell, the output end of the main motor is connected with a rotating shaft (7), and the rotating shaft (7) is in transmission connection with the front shell; the supercharging mechanism is arranged in the rear shell and comprises a worm wheel (9), a worm (13) and a piston rod (14), the worm wheel (9) is matched with the worm (13), the front end of the piston rod (14) extends into the liquid storage cylinder (16) to be fixed with the piston (15), and the rear end of the piston rod is fixed with the worm (13).
9. A variable cross-section pipe descaling device according to claim 1, wherein: the driving device comprises a hinge (10), an elastic telescopic rod (11) and a driving wheel (24), the hinge (10) is hinged outside the rear shell, the driving wheel (24) is rotatably connected to the outer end of the hinge (10), one end of the elastic telescopic rod (11) is connected with the hinge (10), and the other end of the elastic telescopic rod is connected with the rear shell; the driving wheel (24) is in rolling pressure joint with the inner wall of the pipeline.
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| CN202110171166.XA CN113145581B (en) | 2021-02-08 | 2021-02-08 | Variable-section pipeline descaling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110171166.XA CN113145581B (en) | 2021-02-08 | 2021-02-08 | Variable-section pipeline descaling device |
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| CN113145581A true CN113145581A (en) | 2021-07-23 |
| CN113145581B CN113145581B (en) | 2022-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116408320A (en) * | 2023-06-12 | 2023-07-11 | 青建集团股份公司 | Cleaning device for inner wall of building construction pipeline |
| CN116689415A (en) * | 2023-08-08 | 2023-09-05 | 中油昆仑管道工程有限公司 | Underground petroleum drill pipe cleaning device |
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