CN113020155A - Tubular product inner wall cleaning device based on rotatory principle of striking off - Google Patents
Tubular product inner wall cleaning device based on rotatory principle of striking off Download PDFInfo
- Publication number
- CN113020155A CN113020155A CN202110242380.XA CN202110242380A CN113020155A CN 113020155 A CN113020155 A CN 113020155A CN 202110242380 A CN202110242380 A CN 202110242380A CN 113020155 A CN113020155 A CN 113020155A
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- Prior art keywords
- ball screw
- base
- rotary
- device based
- cleaning device
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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
Abstract
The invention discloses a pipe inner wall cleaning device based on a rotary scraping principle, which comprises a base, wherein idler wheels are fixedly installed at four corners of the bottom of the base, a plurality of arc-shaped brackets are fixedly installed on the upper surface of the base along the length direction, a control switch is arranged on one side of one end of the upper surface of the base, a support frame is fixedly installed at the middle position of one end of the upper surface of the base, a ball screw in the horizontal direction and slide bars located on two sides of the ball screw are arranged on the inner side of the top end of the support frame, end blocks are fixedly installed at the other ends of the slide bars and the ball screw, movable blocks are slidably sleeved on the ball screw and the slide bars, a rotary cleaning mechanism is rotatably installed at the outer ends of the movable. The arc scraper rotates and the rotating cleaning mechanism integrally rotates, and then the rotating cleaning mechanism slides back and forth on the ball screw and the sliding rod, so that the inner wall of the pipe is cleaned more comprehensively and thoroughly.
Description
Technical Field
The invention relates to the technical field of cleaning of the interior of a pipe, in particular to a pipe inner wall cleaning device based on a rotary scraping principle.
Background
The pipe is widely used in various industrial facilities, engineering equipment, mechanical and electronic products and other different occasions. And according to different requirements, before and during use, attachments on the inner wall of the pipe are removed to ensure the engineering construction quality and the product performance index.
The current common method is manual cleaning, namely cleaning the small-caliber pipe barrel by using a long hairbrush and cleaning the large-caliber pipe barrel by using a special mop. In addition, there is also special tubular product inner wall cleaning device, and not enough current tubular product inner wall cleaning device adopts rotatory brush to clear up the inner wall of tubular product more, but when the attachment on the tubular product inner wall is harder or the bonding is comparatively firm, the structure of this kind of brush just can not be well with the brush of attachment and remove, therefore the cleaning performance is not good.
Based on the technical scheme, the invention designs the pipe inner wall cleaning device based on the rotary scraping principle so as to solve the problems.
Disclosure of Invention
The invention aims to provide a pipe inner wall cleaning device based on a rotary scraping principle, which aims to solve the problems that the prior common method proposed in the background technology is manual cleaning, namely cleaning a small-caliber pipe barrel by using a long hairbrush and cleaning a large-caliber pipe barrel by using a special mop. In addition, there is also special tubular product inner wall cleaning device, and not enough current tubular product inner wall cleaning device adopts rotatory brush to clear up the inner wall of tubular product more, but when the attachment on the tubular product inner wall is harder or the bonding is comparatively firm, the structure of this kind of brush just can not be well with the brush of attachment and remove, therefore the not good problem of cleaning performance.
In order to achieve the purpose, the invention provides the following technical scheme:
a pipe inner wall cleaning device based on a rotary scraping principle comprises a base, wherein rollers are fixedly arranged at four corners of the bottom of the base, a plurality of arc-shaped brackets are fixedly arranged on the upper surface of the base along the length direction, one side of one end of the upper surface of the base is provided with a control switch, a support frame is fixedly arranged in the middle of one end of the upper surface of the base, a ball screw in the horizontal direction and slide bars positioned on two sides of the ball screw are arranged on the inner side of the top end of the support frame, the other ends of the slide bar and the ball screw are fixedly provided with end blocks, the ball screw and the slide bar are sleeved with moving blocks in a sliding way, the outer end of the moving block is rotatably provided with a rotating cleaning mechanism, the upper surface of the moving block is fixedly provided with an L-shaped mounting plate, the L-shaped mounting plate is fixedly provided with a first servo motor along the length direction of the base, and an output shaft of the first servo motor drives the rotating cleaning mechanism to rotate through the driving gear.
As a further scheme of the invention, the ball screw is driven by a second servo motor fixedly arranged on the outer side of the top end of the support frame.
As a further scheme of the invention, the rotary cleaning mechanism comprises a filling block fixedly mounted on the outer side of the outer end of the moving block, a bearing is fixedly sleeved on the outer surface of the filling block, a mounting ring is fixedly sleeved on the outer surface of the bearing, a toothed ring is fixedly mounted on one side of the mounting ring, a circular ring mounting seat is fixedly connected on the outer surface of the mounting ring through support rods which are arranged in an up-and-down symmetrical mode, third servo motors are fixedly mounted on the support rods, a plurality of rotary shafts are uniformly and rotatably mounted on the circular ring mounting seat, the two third servo motors respectively drive the rotary shafts on the two sides of the support rods on the circular ring mounting seat to rotate, connecting rods are rotatably mounted on the same side of the rotary shafts, and arc-shaped scrapers which connect the connecting rods on the two adjacent rotary shafts on.
As a further scheme of the invention, the gear ring of the rotary cleaning mechanism is in meshed connection with the driving gear.
As a further scheme of the invention, driving belt pulleys are fixedly mounted on output shafts of the two third servo motors, driven belt pulleys are fixedly sleeved on rotating shafts of the circular ring mounting seat, which are closest to the two third servo motors in the counterclockwise direction, transmission belts are respectively arranged on the corresponding driving belt pulleys and the corresponding driven belt pulleys, and protective covers are respectively arranged on the outer sides of the driving belt pulleys of the two third servo motors and the driven belt pulleys corresponding to the driving belt pulleys.
As a further scheme of the present invention, only one connecting rod is rotatably mounted on each of the head and tail rotating shafts of the rotating shafts located on one side of the supporting rod on the circular ring mounting seat driven by the third servo motor, and two connecting rods are rotatably mounted on the rotating shaft located in the middle position.
As a further scheme of the invention, sealing sleeves are arranged at the rotating installation positions of the rotating shaft and the ring installation seat and at two sides of the bearing.
Compared with the prior art, the invention has the beneficial effects that:
(1) the upper surface of the base is fixedly provided with the plurality of arc-shaped brackets along the length direction, so that the pipes can be conveniently placed; the ball screw rotates forwards and backwards under the driving of the second servo motor, so that the moving block and the rotating cleaning mechanism are driven to slide back and forth on the ball screw and the sliding rod, and the inner wall of the pipe is cleaned from outside to inside;
(2) one side of the mounting ring of the rotary cleaning mechanism is fixedly provided with a toothed ring, and the rotary cleaning mechanism can rotate along a surface vertical to the length direction of the base under the driving of a first servo motor; the third servo motor drives the rotating shaft connected with the arc-shaped scraper through the connecting rod to synchronously rotate, and simultaneously, the arc-shaped scraper can make circular motion around the rotating shaft, so that the effect of scraping the inner wall of the pipe is achieved, and attachments which are not easy to erase on the inner wall of the pipe can be scraped; the arc-shaped scraper plate rotates and the rotating cleaning mechanism integrally rotates, and then the rotating cleaning mechanism slides back and forth on the ball screw and the sliding rod in a matching manner, so that the inner wall of the pipe is cleaned more comprehensively and thoroughly;
(3) the output shaft of the third servo motor drives the rotating shaft closest to the output shaft in the counterclockwise direction to rotate through the transmission belt, so that the third servo motor can drive the rotating shaft on the side of the supporting rod on the circular ring mounting seat to synchronously rotate; the setting of protection casing can prevent that the foreign matter that the arc scraper blade was scraped from falling into third servo motor and pivot transmission connection structure's inside, guarantees its normal operation work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a pipe inner wall cleaning device based on a rotary scraping principle according to the invention;
FIG. 2 is an enlarged schematic view of the part A in FIG. 1 of a pipe inner wall cleaning device based on the principle of rotary scraping according to the present invention;
FIG. 3 is a front view of a portion A of the connection structure in FIG. 1 of a pipe inner wall cleaning device based on a rotary scraping principle according to the invention;
FIG. 4 is a right side view of the connection structure at the part A in FIG. 1 of a pipe inner wall cleaning device based on the principle of rotary scraping according to the invention;
FIG. 5 is a schematic structural diagram of a rotary cleaning mechanism of a pipe inner wall cleaning device based on a rotary scraping principle according to the invention;
fig. 6 is a schematic view of a driving connection structure of a third servo motor and a rotating shaft of the pipe inner wall cleaning device based on the rotary scraping principle according to the invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a roller; 3. an arc bracket; 4. a control switch; 5. a support frame; 6. a ball screw; 7. a slide bar; 8. an end-block; 9. a moving block; 10. rotating the cleaning mechanism; 11. an L-shaped mounting plate; 12. a first servo motor; 13. a drive gear; 14. a second servo motor; 15. filling blocks; 16. a bearing; 17. a mounting ring; 18. a toothed ring; 19. a support bar; 20. a circular ring mounting seat; 21. a third servo motor; 22. a rotating shaft; 23. a connecting rod; 24. an arc-shaped scraper plate; 25. a drive pulley; 26. a driven pulley; 27. a drive belt; 28. a shield.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a pipe inner wall cleaning device based on a rotary scraping principle comprises a base 1, rollers 2 are fixedly mounted at four corners of the bottom of the base 1, a plurality of arc-shaped brackets 3 are fixedly mounted on the upper surface of the base 1 along the length direction, a control switch 4 is arranged at one side of one end of the upper surface of the base 1, a support frame 5 is fixedly mounted at the middle position of one end of the upper surface of the base 1, a ball screw 6 in the horizontal direction and slide bars 7 positioned at two sides of the ball screw 6 are arranged at the inner side of the top end of the support frame 5, end blocks 8 are fixedly mounted at the other ends of the slide bars 7 and the ball screw 6, a moving block 9 is slidably sleeved on the ball screw 6 and the slide bar 7, a rotary cleaning mechanism 10 is rotatably mounted at the outer end of the moving block 9, and an L-shaped, a first servo motor 12 is fixedly mounted on the L-shaped mounting plate 11 along the length direction of the base 1, and an output shaft of the first servo motor 12 drives the rotating cleaning mechanism 10 to rotate through a driving gear 13.
Referring to fig. 1, the ball screw 6 is driven by a second servo motor 14 fixedly installed at the outer side of the top end of the support frame 5.
The upper surface of the base 1 is fixedly provided with a plurality of arc-shaped brackets 3 along the length direction, so that the pipes can be conveniently placed; the ball screw 6 rotates forward and backward under the driving of the second servo motor 14, so that the moving block 9 and the rotating cleaning mechanism 10 are driven to slide back and forth on the ball screw 6 and the sliding rod 7, and the inner wall of the pipe is cleaned from outside to inside.
The second embodiment:
referring to fig. 5, the rotary cleaning mechanism 10 includes a filling block 15 fixedly installed at the outer side of the outer end of the moving block 9, the outer surface of the filling block 15 is fixedly sleeved with a bearing 16, the outer surface of the bearing 16 is fixedly sleeved with a mounting ring 17, a toothed ring 18 is fixedly arranged on one side of the mounting ring 17, a circular ring mounting seat 20 is fixedly connected on the outer surface of the mounting ring 17 through support rods 19 which are symmetrically arranged up and down, the supporting rods 19 are fixedly provided with third servo motors 21, the ring mounting seat 20 is uniformly and rotatably provided with a plurality of rotating shafts 22, the two third servo motors 21 respectively drive the rotating shafts 22 on the ring mounting seat 20, which are positioned at two sides of the supporting rods 19, to rotate, the same side of each rotating shaft 22 is rotatably provided with a connecting rod 23, and the other end of each connecting rod 23 is rotatably hinged with an arc-shaped scraper 24 which is used for connecting the connecting rods 23 on the two adjacent rotating shafts 22 on the same side together; the gear ring 18 of the rotary cleaning mechanism 10 is in meshed connection with the driving gear 13.
A toothed ring 18 is fixedly arranged on one side of a mounting ring 17 of the rotary cleaning mechanism 10, and the rotary cleaning mechanism 10 can rotate along a surface vertical to the length direction of the base 1 under the driving of a first servo motor 12; the third servo motor 21 drives the rotating shaft 22 connected through the connecting rod 23 and the arc-shaped scraper 24 to synchronously rotate, and simultaneously, the arc-shaped scraper 24 can make circular motion around the rotating shaft 22, so that the effect of scraping the inner wall of the pipe is achieved, and attachments which are not easy to erase on the inner wall of the pipe can be scraped; the rotation of the arc-shaped scraper 24 and the integral rotation of the rotary cleaning mechanism 10 are matched with the back-and-forth sliding of the rotary cleaning mechanism 10 on the ball screw 6 and the slide rod 7, so that the cleaning of the inner wall of the pipe is more comprehensive and thorough.
Referring to fig. 6, the output shafts of the two third servo motors 21 are fixedly provided with driving pulleys 25, the rotating shafts 22 of the circular ring mounting base 20, which are closest to the two third servo motors 21 in the counterclockwise direction, are fixedly sleeved with driven pulleys 26, the corresponding driving pulleys 25 and driven pulleys 26 are provided with transmission belts 27, and the outer sides of the driving pulleys 25 of the two third servo motors 21 and the corresponding driven pulleys 26 are provided with protective covers 28.
An output shaft of the third servo motor 21 drives the rotating shaft 22 closest to the third servo motor in the counterclockwise direction to rotate through the transmission belt, so that the third servo motor 21 can drive the rotating shaft 22 on the side of the support rod 19 on the circular ring mounting seat 20 to synchronously rotate; the protective cover 28 can prevent the foreign matters scraped by the arc scraper 24 from falling into the transmission connection structure of the third servo motor 21 and the rotating shaft 22, so as to ensure the normal operation.
Referring to fig. 5, only one connecting rod 23 is rotatably mounted on the first and the last rotating shafts 22 of the rotating shafts 22 located on one side of the supporting rod 19 on the circular ring mounting base 20 driven by the third servo motor 21, and two connecting rods 23 are rotatably mounted on the rotating shafts 22 located in the middle.
Specifically, sealing sleeves are arranged at the rotating installation positions of the rotating shaft 22 and the circular ring installation seat 20 and at two sides of the bearing 16. The sealing sleeve can prevent foreign matters scraped off by the arc-shaped scraper 24 from falling into the rotating shaft 22 and the bearing 16, thereby ensuring smooth rotation of the rotating shaft 22 and the bearing 16.
In actual use, a pipe is placed on a plurality of arc-shaped brackets 3 fixedly arranged on the upper surface of the base 1 along the length direction, and the device is started through a control switch 4; the third servo motor 21 of the rotary cleaning mechanism 10 drives the rotating shaft 22 connected through the connecting rod 23 and the arc-shaped scraper 24 to synchronously rotate, and simultaneously, the arc-shaped scraper 24 can make circular motion around the rotating shaft 22, so that the effect of scraping the inner wall of the pipe is achieved, and attachments which are not easy to wipe off on the inner wall of the pipe can be scraped; meanwhile, a toothed ring 18 is fixedly arranged on one side of a mounting ring 17 of the rotary cleaning mechanism 10, and the rotary cleaning mechanism 10 can rotate along a plane vertical to the length direction of the base 1 under the driving of a first servo motor 12; in addition, the ball screw 6 rotates forward and backward under the driving of the second servo motor 14, so that the moving block 9 and the rotating cleaning mechanism 10 are driven to slide back and forth on the ball screw 6 and the slide bar 7, and the inner wall of the pipe is cleaned from outside to inside.
The arc scraper rotates and the rotating cleaning mechanism integrally rotates, and then the rotating cleaning mechanism slides back and forth on the ball screw and the sliding rod in a matching manner, so that the inner wall of the pipe is cleaned more comprehensively and thoroughly, and attachments which are not easy to wipe off can be effectively scraped off.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A pipe inner wall cleaning device based on a rotary scraping principle comprises a base (1) and is characterized in that idler wheels (2) are fixedly mounted at four corners of the bottom of the base (1), a plurality of arc-shaped brackets (3) are fixedly mounted on the upper surface of the base (1) along the length direction, a control switch (4) is arranged on one side of one end of the upper surface of the base (1), a support frame (5) is fixedly mounted at the middle position of one end of the upper surface of the base (1), a ball screw (6) in the horizontal direction and sliding rods (7) located on two sides of the ball screw (6) are arranged on the inner side of the top end of the support frame (5), end blocks (8) are fixedly mounted at the other ends of the sliding rods (7) and the ball screw (6), moving blocks (9) are slidably sleeved on the ball screw (6) and the sliding rods (7), and a rotary cleaning mechanism (10) is rotatably mounted, an L-shaped mounting plate (11) is fixedly mounted on the upper surface of the moving block (9), a first servo motor (12) is fixedly mounted on the L-shaped mounting plate (11) along the length direction of the base (1), and an output shaft of the first servo motor (12) drives the rotating cleaning mechanism (10) to rotate through a driving gear (13).
2. The pipe inner wall cleaning device based on the rotary scraping principle as claimed in claim 1, characterized in that the ball screw (6) is driven by a second servo motor (14) fixedly mounted on the outside of the top end of the support frame (5).
3. The pipe inner wall cleaning device based on the rotary scraping principle as claimed in claim 2, wherein the rotary cleaning mechanism (10) comprises a filling block (15) fixedly mounted on the outer side of the outer end of the moving block (9), a bearing (16) is fixedly sleeved on the outer surface of the filling block (15), a mounting ring (17) is fixedly sleeved on the outer surface of the bearing (16), a toothed ring (18) is fixedly mounted on one side of the mounting ring (17), a circular ring mounting seat (20) is fixedly connected on the outer surface of the mounting ring (17) through support rods (19) which are symmetrically arranged up and down, third servo motors (21) are fixedly mounted on the support rods (19), a plurality of rotating shafts (22) are uniformly rotatably mounted on the circular ring mounting seat (20), and two third servo motors (21) respectively drive the rotating shafts (22) on the circular ring mounting seat (20) and located on two sides of the support rods (19) to rotate, the same side of the rotating shaft (22) is rotatably provided with a connecting rod (23), and the other end of the connecting rod (23) is rotatably hinged with an arc-shaped scraper (24) which connects the connecting rods (23) on the two adjacent rotating shafts (22) on the same side together.
4. A pipe inner wall cleaning device based on the principle of rotary scraping according to claim 3, characterized in that the toothed ring (18) of the rotary cleaning mechanism (10) is in meshed connection with the driving gear (13).
5. The pipe inner wall cleaning device based on the rotary scraping principle as claimed in claim 4, wherein the output shafts of the two third servo motors (21) are both fixedly provided with a driving pulley (25), the rotating shafts (22) of the circular ring mounting seat (20) closest to the two third servo motors (21) in the counterclockwise direction are both fixedly sleeved with a driven pulley (26), the corresponding driving pulley (25) and driven pulley (26) are both provided with a driving belt (27), and the driving pulley (25) of the two third servo motors (21) and the outer side of the corresponding driven pulley (26) are both provided with a protective cover (28).
6. The pipe inner wall cleaning device based on the rotary scraping principle as claimed in claim 5, characterized in that the first and the last two rotating shafts (22) of the rotating shafts (22) on one side of the supporting rod (19) on the ring mounting seat (20) driven by the third servo motor (21) are respectively and rotatably provided with one connecting rod (23), and the rotating shafts (22) in the middle position are respectively and rotatably provided with two connecting rods (23).
7. The pipe inner wall cleaning device based on the rotary scraping principle as claimed in claim 6, wherein sealing sleeves are arranged at the rotary installation positions of the rotating shaft (22) and the ring installation seat (20) and at two sides of the bearing (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110242380.XA CN113020155A (en) | 2021-03-05 | 2021-03-05 | Tubular product inner wall cleaning device based on rotatory principle of striking off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110242380.XA CN113020155A (en) | 2021-03-05 | 2021-03-05 | Tubular product inner wall cleaning device based on rotatory principle of striking off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113020155A true CN113020155A (en) | 2021-06-25 |
Family
ID=76467865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110242380.XA Withdrawn CN113020155A (en) | 2021-03-05 | 2021-03-05 | Tubular product inner wall cleaning device based on rotatory principle of striking off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113020155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668683A (en) * | 2021-08-26 | 2021-11-19 | 王壮壮 | Efficient municipal sewer dredging and cleaning device and use method thereof |
| CN114378077A (en) * | 2021-12-11 | 2022-04-22 | 江苏九州电器有限公司 | Heat-preserving heat-insulating energy-saving explosion-proof electric heater |
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| US6467121B1 (en) * | 2000-08-15 | 2002-10-22 | Goodway Technologies Corporation | Rotary tube scrubber |
| CN208772068U (en) * | 2018-07-26 | 2019-04-23 | 高阳 | A kind of petroleum pipeline cleaning device |
| US20190201946A1 (en) * | 2018-01-03 | 2019-07-04 | Ted R. Dimitroff | Internal pipe cleaning tool and method |
| CN210281715U (en) * | 2019-07-05 | 2020-04-10 | 天津市力拓钢制品有限公司 | Pretreatment device for steel-plastic composite pipe |
| CN111376156A (en) * | 2018-12-27 | 2020-07-07 | 童卓超 | Straight pipeline inner wall welding seam welding slag grinding device |
| CN111730424A (en) * | 2020-07-09 | 2020-10-02 | 江苏隆达超合金航材有限公司 | High-temperature alloy pipe surface rapid polishing device |
| CN211678890U (en) * | 2020-01-09 | 2020-10-16 | 内蒙古黑猫煤化工有限公司 | Tar residue scraping and cleaning device |
-
2021
- 2021-03-05 CN CN202110242380.XA patent/CN113020155A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6467121B1 (en) * | 2000-08-15 | 2002-10-22 | Goodway Technologies Corporation | Rotary tube scrubber |
| US20190201946A1 (en) * | 2018-01-03 | 2019-07-04 | Ted R. Dimitroff | Internal pipe cleaning tool and method |
| CN208772068U (en) * | 2018-07-26 | 2019-04-23 | 高阳 | A kind of petroleum pipeline cleaning device |
| CN111376156A (en) * | 2018-12-27 | 2020-07-07 | 童卓超 | Straight pipeline inner wall welding seam welding slag grinding device |
| CN210281715U (en) * | 2019-07-05 | 2020-04-10 | 天津市力拓钢制品有限公司 | Pretreatment device for steel-plastic composite pipe |
| CN211678890U (en) * | 2020-01-09 | 2020-10-16 | 内蒙古黑猫煤化工有限公司 | Tar residue scraping and cleaning device |
| CN111730424A (en) * | 2020-07-09 | 2020-10-02 | 江苏隆达超合金航材有限公司 | High-temperature alloy pipe surface rapid polishing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668683A (en) * | 2021-08-26 | 2021-11-19 | 王壮壮 | Efficient municipal sewer dredging and cleaning device and use method thereof |
| CN114378077A (en) * | 2021-12-11 | 2022-04-22 | 江苏九州电器有限公司 | Heat-preserving heat-insulating energy-saving explosion-proof electric heater |
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Application publication date: 20210625 |
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