CN110665912A - Method for cleaning pipeline - Google Patents
Method for cleaning pipeline Download PDFInfo
- Publication number
- CN110665912A CN110665912A CN201911028977.3A CN201911028977A CN110665912A CN 110665912 A CN110665912 A CN 110665912A CN 201911028977 A CN201911028977 A CN 201911028977A CN 110665912 A CN110665912 A CN 110665912A
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- CN
- China
- Prior art keywords
- pipeline
- driving
- hydraulic cylinder
- movable
- rotary cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
-
- 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
Abstract
The invention aims to provide a method for cleaning the interior of a pipeline, which is used for solving the technical problem of cleaning the pipeline. A method of cleaning inside a pipe, comprising the steps of: s1, opening a moving adjusting arm on the circumferential direction at the rear of the main frame through a moving adjusting hydraulic cylinder, so that the outer side of the moving rotating wheel reaches the inner side of the cleaned pipeline; the movable supporting universal wheel below the main rack is driven by the movable supporting hydraulic cylinder, so that the movable supporting universal wheel reaches the lower end of the inner side of the pipeline to be cleaned; s2, starting a water pump, and flushing the sludge in the pipeline through a nozzle on the flushing rack; s3, the movable driving hydraulic pump is started to move, the movable rotating wheel is driven to rotate, and therefore the main frame moves forwards along the pipeline.
Description
Technical Field
The invention relates to the technical field of a device for cleaning sludge in a pipe, in particular to a method for cleaning the inside of a pipeline.
Background
The accumulation of impurities in the pipeline is a problem which is often encountered in the use process of the pipeline. In the prior art, a manual dredging mode is usually adopted. However, if the pipe is sealed for a long time, toxic gas is easily generated. The poisoning accident is easy to happen due to the manual dredging mode in the pipeline. In severe cases, it is imperative to jeopardize worker life safety.
Disclosure of Invention
The invention aims to provide a method for cleaning the interior of a pipeline, which is used for solving the technical problem of cleaning the pipeline.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method of cleaning inside a pipe, comprising the steps of:
s1, opening a moving adjusting arm on the circumferential direction at the rear of the main frame through a moving adjusting hydraulic cylinder, so that the outer side of the moving rotating wheel reaches the inner side of the cleaned pipeline; the movable supporting universal wheel below the main rack is driven by the movable supporting hydraulic cylinder, so that the movable supporting universal wheel reaches the lower end of the inner side of the pipeline to be cleaned;
s2, starting a water pump, and flushing the sludge in the pipeline through a nozzle on the flushing rack;
s3, the movable driving hydraulic pump is started to move, the movable rotating wheel is driven to rotate, and therefore the main frame moves forwards along the pipeline.
Preferably, in step S1, when the wheel sensor on the moving wheel detects that the pipe inner wall is reached, the movement-adjusting hydraulic cylinder stops driving the movement-adjusting arm.
Preferably, in step S1, the moving support hydraulic cylinder adjusts the extension length of the moving support universal wheel according to the distance of extension of the front portion of the moving adjustment hydraulic cylinder detected by the moving adjustment intracavity light curtain sensor.
Preferably, in step S2, the flushing force of the nozzle is adjusted by the pulse water pump according to the monitoring status of the waterproof camera, and the flushing rack is driven to rotate by the angle adjusting hydraulic pump, so as to adjust the spraying direction of the nozzle.
Preferably, in step S3, the hydraulic pump is driven by the rotation of the front end of the main frame to rotate the rotary cutting blade carrier through the rotary cutting cavity, and the blades at different positions on the rotary cutting blade carrier perform three-dimensional cutting on the obstruction in the pipeline.
Preferably, the tool rest expansion driving hydraulic cylinder in the rotary cutting cavity adjusts the expansion width of the rotary cutting tool rest according to the distance of the front part of the movement adjusting hydraulic cylinder, which is detected by the movement adjusting intracavity light curtain sensor.
Preferably, the telescopic hydraulic cylinder in the telescopic cavity at the front end of the main frame drives the rotary driving hydraulic pump to reciprocate by driving, and then the rotary cutting cavity drives the rotary cutting tool rest to reciprocate so as to realize forward pushing of the obstacles in the pipeline by matching with the nozzle.
Preferably, the antiwind cutting driving hydraulic pump of the rotary cutting cavity drives the antiwind driving nut to reciprocate through the antiwind driving screw rod, and then the antiwind cutting knife at the front end of the antiwind driving hydraulic pump is driven to reciprocate by the winding driving guide frame connected with the antiwind driving nut, so that foreign matters wound between the rotary cutting knife rest and the rotary cutting cavity are cut off.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
1. the runner sensor can detect whether the moving runner is in full contact with the inner wall of the pipeline; the light curtain sensor arranged in the movable adjusting cavity can detect the extending distance of the front end of the movable adjusting hydraulic cylinder; the movable supporting hydraulic cylinder adjusts the front extension length of the hydraulic cylinder according to the movement detected by the light curtain sensor, and then the extension distance of the lower end movable supporting universal wheel can be adjusted. In addition, the tool rest expansion driving hydraulic cylinder adjusts the front extension length of the hydraulic cylinder according to the movement detected by the light curtain sensor, and then the expansion degree of the rotary cutting tool rest can be adjusted to match the working states of different pipe diameters.
2. According to the condition of the obstacles in the pipeline, the control system can adjust the impact force of the water sprayed by the nozzle by adjusting the power of the pulse water pump, and can rotate the washing frame by adjusting the angle of the hydraulic pump so as to change the washing angle of the nozzle.
3. The cutter mechanism is used for cutting up large sediments, and under the back-and-forth reciprocating driving of the telescopic hydraulic cylinder, the cutter mechanism can be matched with a flushing system to push the sediments to move forwards.
4. When cutting knife mechanism winding foreign matter, antiwind cutting knife back-and-forth movement under the drive of antiwind cutting drive hydraulic pump can cut off winding foreign matter.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
in the figure: 1. a main frame; 2. moving the adjustment chamber; 201. moving the adjusting groove; 3. a movable adjusting hydraulic cylinder; 4. a spring lever; 5. a light curtain sensor; 6. moving the adjusting arm; 7. a mobile driving hydraulic pump; 8. moving the runner; 9. a wheel sensor; 10. a movable support hydraulic cylinder; 11. the universal wheels are movably supported; 12. a pulsed water pump; 13. a washing rack; 14. an angle adjusting hydraulic pump; 15. a waterproof camera; 16. a nozzle; 17. an angle adjusting rotating shaft; 18. a telescopic cavity; 19. a telescopic hydraulic cylinder; 20. cutting and rotating to drive a hydraulic pump; 21. rotating the cutting cavity; 22. rotating the cutting knife rest; 23. a blade; 24. a tool rest expansion driving hydraulic cylinder; 25. cutting an adjusting groove; 26. anti-winding cutting guide grooves; 27. the anti-winding cutting drives the hydraulic pump; 28. an anti-wind drive screw; 29. an anti-wind drive nut; 30. an anti-wind driving guide frame; 31. antiwind cutting knife.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and techniques are omitted so as to not unnecessarily limit the invention.
As shown in fig. 1 to 3, an apparatus for implementing a method for cleaning a pipeline includes a main frame 1, and a movement driving system, a flushing system, a cutting system and a control system mounted on the main frame 1. The main frame 1 is used for mounting and supporting other functional components; the mobile driving system is used for driving the device to move and adjusting the device to adapt to pipelines with different diameters; the flushing system is used for flushing sludge in the pipeline, so that the sludge is decomposed and moves forwards along with the water flow; a cutting system is mounted at the front end of the main frame 1 for chopping up large pieces of sludge and cooperates with the flushing system to push the sludge forward.
The rear end part of the main frame 1 adopts a cavity structure, and is called as a mobile adjusting cavity 2 in the embodiment; the movement regulating chamber 2 is provided with a plurality of movement regulating grooves 201 in the circumferential direction along the longitudinal extending direction. The mobile driving system comprises a mobile adjusting mechanism, a mobile driving mechanism and a mobile front supporting mechanism, the mobile adjusting mechanism is used for adjusting the unfolding width of the mobile driving mechanism to adapt to pipelines with different pipe diameters, and the mobile front supporting mechanism is used for supporting the lower part of the front end of the main frame 1. The movement adjusting mechanism comprises a movement adjusting hydraulic cylinder 3, a spring rod 4, a light curtain sensor 5 and a movement adjusting arm 6. The movable adjusting hydraulic cylinder 3 is arranged along the axial direction of the movable adjusting cavity 2, and a rear power output end of the movable adjusting hydraulic cylinder 3 is connected with a movable adjusting drive plate through a spring rod 4; the light curtain sensor 5 is arranged in the movable adjusting cavity 2, and the light curtain sensor 5 is located below the front part of the movable adjusting hydraulic cylinder 3 and used for detecting the extending distance of the front end of the movable adjusting hydraulic cylinder 3. The movable adjusting arm 6 is hinged on the movable adjusting groove 201 (an elastic sealing gasket can be arranged in the movable adjusting groove 201), the inner end of the movable adjusting arm 6 extends into the movable adjusting cavity 2 to be hinged with the movable adjusting drive plate, and the outer end of the movable adjusting arm 6 is positioned outside the movable adjusting cavity 2. The traveling drive mechanism includes a traveling drive hydraulic pump 7, a traveling wheel 8, and a wheel sensor 9 (e.g., a pressure sensor). The movable driving hydraulic pump 7 is arranged at the outer end of the movable adjusting arm 6, the movable rotating wheel 8 is rotatably arranged at the outer end of the movable adjusting arm 6, and the rotary power output end of the movable driving hydraulic pump 7 is connected with the rotary power input end of the movable rotating wheel 8. The outer side of the movable rotating wheel 8 is provided with a rubber wear-resistant layer, and the inner side of the rubber wear-resistant layer is provided with the rotating wheel sensor 9 (such as a pressure sensor). When the wheel sensor 9 detects that the moving wheel 8 is sufficiently contacted with the inner side of the cleaned pipeline, the movement adjusting hydraulic cylinder 3 stops driving the movement adjusting arm 6. The mobile front supporting mechanism is arranged below the front part of the main frame 1 and is used for supporting the front part of the main frame 1; it comprises a movable supporting hydraulic cylinder 10 (a hydraulic cylinder with a displacement sensor arranged inside) and a movable supporting universal wheel 11. The upper end of the movable supporting hydraulic cylinder 10 is connected with the lower end of the main frame 1, and the movable supporting universal wheel 11 is rotatably arranged at the lower end of the movable supporting hydraulic cylinder 10. The movable supporting hydraulic cylinder 10 adjusts the front extension length of the hydraulic cylinder 3 according to the movement detected by the light curtain sensor 5, and adjusts the extension distance of the universal wheel 11 driving the lower end to move and support.
The flushing system comprises a pulse water pump 12 (a water pump provided with a frequency converter), a flushing frame 13, an angle adjusting hydraulic pump 14, a waterproof camera 15 and a nozzle 16. The pulse water pump 12 and the flushing waterproof camera 15 are arranged at the upper end of the main frame 1, the flushing frame 13 is sleeved outside the main frame 1 by adopting an annular structure (a gap which allows the flushing frame 13 to rotate is reserved between the inner side of the flushing frame 13 and the outer side of the main frame 1, the flushing frame 13 is rotatably connected with the main frame 1 through an angle adjusting rotating shaft 17 which is vertically arranged, the angle adjusting hydraulic pump 14 is arranged below the main frame 1 through a bracket, the rotating output end of the angle adjusting hydraulic pump 14 is connected with the rotating power input end of the angle adjusting rotating shaft 17, the nozzles 16 are uniformly arranged on the periphery of the front side of the flushing frame 13, the rear end of the nozzle 16 is connected with the pulse water pump 12 through a pipeline, according to the condition of obstacles in the pipeline, the control system can adjust the impact force of the water spraying of the nozzle 16 by adjusting the power of the pulse water pump 12 and can rotate the, to vary the angle of flushing of the nozzle 16.
The cutting system comprises a telescopic mechanism, a cutting knife mechanism and an anti-winding mechanism, wherein the telescopic mechanism is used for driving the cutting knife mechanism to move back and forth, the cutting knife mechanism is used for cutting obstacles in a pipeline, and the anti-winding mechanism is used for cutting off the foreign matters accidentally wound on the cutting knife mechanism. The telescopic mechanism comprises a telescopic cavity 18 and a telescopic hydraulic cylinder 19, the telescopic cavity 18 is arranged at the front end of the main frame 1, and the telescopic hydraulic cylinder 19 is arranged at the inner end part of the telescopic cavity 18. The cutting knife mechanism comprises a cutting rotary driving hydraulic pump 20, a rotary cutting cavity 21, a rotary cutting knife rest 22, a blade 23 and a knife rest expansion driving hydraulic cylinder 24 (an oil cylinder with a displacement sensor arranged inside). The cutting rotary driving hydraulic pump 20 is arranged at the front end of the telescopic hydraulic cylinder 19, and the front power output end of the cutting rotary driving hydraulic pump 20 is connected with the rotary cutting cavity 21; a plurality of cutting regulating grooves 25 are provided at intervals in the circumferential direction of the rotary cutting chamber 21. The cutter rest expansion driving hydraulic cylinder 24 is arranged at the front part in the rotary cutting cavity 21, and the rotary cutting cutter rest 22 is hinged on the cutting adjusting groove 25; the inner end of the rotary cutting knife rest 22 is connected with the power output end of a knife rest expansion driving hydraulic cylinder 24 through a connecting plate, and the outer end part of the rotary cutting knife rest 22 is provided with a blade 23. The plurality of blades 23 are provided, and the blades 23 are arranged along the longitudinal extension direction of the outer end part of the rotary cutting knife rest 2. During the rotation of the rotary cutting blade carrier 2, the different blades 23 can perform multi-directional three-dimensional cutting of the obstacle. The rotary cutting cavity 21 is provided with anti-winding cutting guide grooves 26 along the longitudinal extension direction, and the extension direction of the anti-winding cutting guide grooves 26 is located between the adjacent cutting adjusting grooves 25. The anti-winding mechanism comprises an anti-winding cutting driving hydraulic pump 27, an anti-winding driving screw 28, an anti-winding driving nut 29, an anti-winding driving guide frame 30 and an anti-winding cutting knife 31; the anti-winding cutting driving hydraulic pump 27 is installed at the rear end in the rotary cutting cavity 21, the rotary power input end of the anti-winding driving screw 28 is connected with the rotary power output end of the anti-winding cutting driving hydraulic pump 27, and the anti-winding driving nut 29 is in threaded connection with the anti-winding driving screw 28 in a matched mode. The anti-winding driving guide frame 30 is arranged in the anti-winding cutting guide groove 26 in a front-back sliding mode, the inner side of the rear end of the anti-winding driving guide frame 30 is connected with the anti-winding driving nut 29, and the anti-winding cutting knife 31 is arranged at the front end of the anti-winding driving guide frame 30. When foreign matters are wound between the rotary cutting tool rest 2 and the rotary cutting cavity 21, the anti-winding cutting knife 31 moves back and forth under the driving of the anti-winding cutting driving hydraulic pump 27 to cut off the wound foreign matters.
The control system comprises a control panel, a controller and a display screen; the controller is arranged in the main frame 1 and is electrically connected with corresponding functional components; control panel and display screen are located the outside by the clearance pipeline, and operating personnel operates through the control panel to monitor in real time through the display screen.
A method of in-pipe cleaning comprising the steps of:
s1, the moving adjusting arm 6 on the rear circumference of the main frame 1 is opened by the moving adjusting hydraulic cylinder 3, so that the outer side of the moving rotating wheel 8 reaches the inner side of the cleaned pipeline; the movable supporting universal wheel 11 below the main rack 1 is driven by the movable supporting hydraulic cylinder 10, so that the movable supporting universal wheel 11 reaches the lower end of the inner side of the pipeline to be cleaned;
s2, starting the water pump 12, and flushing the sludge in the pipeline through the nozzle 16 on the flushing rack 13;
s3, the mobile driving hydraulic pump 7 is started to drive the mobile rotating wheel 8 to rotate, and therefore the main frame 1 moves forwards along the pipeline.
Preferably, in step S1, when the wheel sensor 9 on the moving wheel 8 detects that the pipe inner wall is reached, the movement-adjusting hydraulic cylinder 3 stops driving the movement-adjusting arm 6.
Preferably, in step S1, the moving support hydraulic cylinder 10 adjusts the extension length of the moving support universal wheel 11 according to the distance of extension of the front portion of the moving support hydraulic cylinder 3 detected by the light curtain sensor 5 in the moving adjustment chamber 2.
Preferably, in step S2, the flushing force of the nozzle 16 is adjusted by the pulse water pump 12 according to the monitoring condition of the waterproof camera 15, and the flushing rack 13 is driven to rotate by the angle adjusting hydraulic pump 14, so as to adjust the spraying direction of the nozzle 16.
Preferably, in step S3, the hydraulic pump 20 driven by the rotation of the front end of the main frame 1 drives the rotary cutting blade holder 22 to rotate through the rotary cutting cavity 21, and the blades 23 at different positions on the rotary cutting blade holder 22 perform three-dimensional cutting on the obstruction in the pipeline.
Preferably, the knife rest expansion driving hydraulic cylinder 24 in the rotary cutting cavity 21 adjusts the expansion width of the rotary cutting knife rest 22 according to the distance of the front extension of the movement adjusting hydraulic cylinder 3 detected by the light curtain sensor 5 in the movement adjusting cavity 2.
Preferably, a telescopic hydraulic cylinder 19 in a telescopic cavity 18 at the front end of the main frame 1 drives a rotary driving hydraulic pump 20 to reciprocate by driving, and then a rotary cutting tool holder 22 is driven by a rotary cutting cavity 21 to reciprocate, so as to realize forward pushing of obstacles in the pipeline by matching with the nozzle 16.
Preferably, the antiwind cutting driving hydraulic pump 27 of the rotary cutting cavity 21 drives the antiwind driving nut 29 to reciprocate through the antiwind driving screw 28, and further the antiwind cutting knife 31 at the front end of the antiwind driving hydraulic pump is driven to reciprocate by the antiwind driving guide frame 30 connected to the antiwind driving nut 29, so as to cut off foreign matters wound between the rotary cutting knife holder 22 and the rotary cutting cavity 21.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention.
Claims (8)
1. A method for cleaning the interior of a pipeline is characterized by comprising the following steps:
s1, opening a moving adjusting arm on the circumferential direction at the rear of the main frame through a moving adjusting hydraulic cylinder, so that the outer side of the moving rotating wheel reaches the inner side of the cleaned pipeline; the movable supporting universal wheel below the main rack is driven by the movable supporting hydraulic cylinder, so that the movable supporting universal wheel reaches the lower end of the inner side of the pipeline to be cleaned;
s2, starting a water pump, and flushing the sludge in the pipeline through a nozzle on the flushing rack;
s3, the movable driving hydraulic pump is started to move, the movable rotating wheel is driven to rotate, and therefore the main frame moves forwards along the pipeline.
2. The method as claimed in claim 1, wherein in step S1, the hydraulic cylinder stops driving the movable adjusting arm when the wheel sensor on the movable wheel detects the arrival of the inner wall of the pipe.
3. The method as claimed in claim 1, wherein the moving support cylinder adjusts the length of the moving support universal wheel by adjusting the distance of the front portion of the moving support cylinder according to the movement detected by the light curtain sensor in the moving adjustment chamber in step S1.
4. The method as claimed in claim 1, wherein in step S2, the flushing force of the nozzle is adjusted by the pulsating hydraulic pump according to the monitoring status of the waterproof camera, and the flushing rack is rotated by the angle adjusting hydraulic pump to adjust the spraying direction of the nozzle.
5. The method as claimed in claim 3, wherein in step S3, the hydraulic pump driven by the rotation of the front end of the main frame drives the rotary cutter holder to rotate through the rotary cutting cavity, and the blades at different positions on the rotary cutter holder perform three-dimensional cutting on the obstruction in the pipeline.
6. The method as claimed in claim 5, wherein the distance of extension of the front part of the hydraulic cylinder is adjusted according to the movement detected by the light curtain sensor in the movement adjusting cavity, and the knife rest expansion driving hydraulic cylinder in the rotary cutting cavity adjusts the expansion width of the rotary cutting knife rest.
7. The method as claimed in claim 5, wherein the telescopic hydraulic cylinder in the telescopic cavity at the front end of the main frame drives the rotary cutting cavity to reciprocate, and the rotary cutting cavity drives the rotary cutting tool holder to reciprocate, so as to cooperate with the nozzle to push the obstruction in the pipeline forward.
8. The method as claimed in claim 5, wherein the antiwind cutting driving hydraulic pump of the rotary cutting chamber drives the antiwind driving nut to reciprocate through the antiwind driving screw rod, and the antiwind cutting knife at the front end of the antiwind driving hydraulic pump is driven to reciprocate by the antiwind driving guide frame connected with the antiwind driving nut, so that foreign matters entangled between the rotary cutting knife frame and the rotary cutting chamber are cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911028977.3A CN110665912A (en) | 2019-10-28 | 2019-10-28 | Method for cleaning pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911028977.3A CN110665912A (en) | 2019-10-28 | 2019-10-28 | Method for cleaning pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110665912A true CN110665912A (en) | 2020-01-10 |
Family
ID=69084253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911028977.3A Withdrawn CN110665912A (en) | 2019-10-28 | 2019-10-28 | Method for cleaning pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110665912A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5577471A (en) * | 1978-11-25 | 1980-06-11 | Atsuji Tekko Kk | Internal abrasive and cleaning device for steel pipe, etc. |
| CN103394492A (en) * | 2011-06-30 | 2013-11-20 | 太阳建设株式会社 | Device for cleaning pipe |
| CN107030068A (en) * | 2017-04-28 | 2017-08-11 | 国网江苏省电力公司连云港供电公司 | Pipe dredging machine people |
| CN107486449A (en) * | 2017-09-26 | 2017-12-19 | 桂林净美机电有限公司 | Umbrella shape climbing robot in pipe |
| CN107685053A (en) * | 2017-10-18 | 2018-02-13 | 广西环游信息技术开发有限公司 | A kind of robot for being convenient to clean pipeline |
| CN110296294A (en) * | 2019-07-08 | 2019-10-01 | 蚌埠学院 | A kind of combined pipeline cleaning spray robot |
-
2019
- 2019-10-28 CN CN201911028977.3A patent/CN110665912A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5577471A (en) * | 1978-11-25 | 1980-06-11 | Atsuji Tekko Kk | Internal abrasive and cleaning device for steel pipe, etc. |
| CN103394492A (en) * | 2011-06-30 | 2013-11-20 | 太阳建设株式会社 | Device for cleaning pipe |
| CN107030068A (en) * | 2017-04-28 | 2017-08-11 | 国网江苏省电力公司连云港供电公司 | Pipe dredging machine people |
| CN107486449A (en) * | 2017-09-26 | 2017-12-19 | 桂林净美机电有限公司 | Umbrella shape climbing robot in pipe |
| CN107685053A (en) * | 2017-10-18 | 2018-02-13 | 广西环游信息技术开发有限公司 | A kind of robot for being convenient to clean pipeline |
| CN110296294A (en) * | 2019-07-08 | 2019-10-01 | 蚌埠学院 | A kind of combined pipeline cleaning spray robot |
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Application publication date: 20200110 |
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| WW01 | Invention patent application withdrawn after publication |