CN110340085B - Inside mediation equipment of rivers pipeline for water conservancy environmental protection - Google Patents
Inside mediation equipment of rivers pipeline for water conservancy environmental protection Download PDFInfo
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- CN110340085B CN110340085B CN201910754890.8A CN201910754890A CN110340085B CN 110340085 B CN110340085 B CN 110340085B CN 201910754890 A CN201910754890 A CN 201910754890A CN 110340085 B CN110340085 B CN 110340085B
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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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Abstract
The invention relates to water conservancy environmental protection water flow pipeline internal dredging equipment, which comprises a hollow cylinder and a drill bit clamped at the front end of the cylinder, wherein the front inner wall and the rear inner wall of the cylinder are respectively fixed with a support rod and a bearing rod, the support rods are distributed annularly, the ports of the support rods are connected with the outer wall of the ring, and the port of the bearing rod is connected with the outer wall of a motor box; foretell water conservancy environmental protection is established with inside mediation of rivers pipeline, the motor during operation, the rotation axis is rotatory to be driven the body synchronous revolution, its drill bit also can rotate simultaneously, the drill bit is rotatory can smash or bore out the part of stifled in the water pipe, the bore that the sprinkler goes out water is less, spun water has very big pressure, can clear up the partial hard part in water pipe wall upper portion, the water of water pump work suction gets into in the sleeve, spout from the sprinkler of drill bit through the breach, high pressure water utilizing sprinkler spun, the thorough clearance that not only can realize the water pipe of this mediation method, and the advantage of comparatively using manpower and thing sparingly.
Description
Technical Field
The invention relates to a dredging device in a pipeline, in particular to a water conservancy environment-friendly water flow pipeline dredging device.
Background
Among the water conservancy construction, the rivers pipeline is city drainage system's important component when dealing with drainage tasks such as waste water, rainwater, and the unblocked of rivers pipeline is the necessary prerequisite condition of guaranteeing effective drainage, and drainage pipe is complicated in the present city, and the drainage condition is various moreover, and drainage pipe's jam takes place occasionally, needs to deal with fast and be the important component of city pipe network with the normal operating rivers pipeline of guaranteeing drainage system. For various reasons, the water flow pipes tend to become congested, requiring cleaning of the water flow pipes.
At present, two types of water flow pipeline cleaning modes are commonly used. The first is a high pressure water washing method. The method utilizes high-pressure water to turn up and flush away sludge in a water flow pipeline. Although the method can turn up the sludge in the water flow pipeline, the turned-up sludge is often formed into re-precipitation due to the low flow rate of the water in the water flow pipeline, namely, the re-precipitation is carried out in the water flow pipeline. Therefore, the method cannot clean the sludge thoroughly. The second is to use a winch and a barrel filter for cleaning. The method comprises the steps of firstly, manually penetrating bamboo chips through two adjacent inspection wells and a pipeline below the inspection wells, and simultaneously introducing a steel wire rope into the inspection wells and the pipeline. The rear end of the steel wire rope is tied with a barrel-shaped filter screen, and the tail end of the filter screen is tied with the steel wire rope. Then, the steel wire ropes are repeatedly wound and unwound at the two inspection well openings by using a winch, so that the barrel-shaped filter screen moves from one end of the pipeline to the other end of the pipeline, and the mud and the sand are scraped by the repeated motion of the barrel-shaped filter screen. The method has the advantages of high labor intensity of personnel, long labor time and low working efficiency. Meanwhile, the difference between the diameters of the barrel-shaped filter screen and the pipeline is too large, so that the outer diameter of the barrel-shaped filter screen cannot be completely matched with the inner wall of the pipeline, and therefore silt cannot be completely scraped, and further incomplete cleaning is caused.
Disclosure of Invention
In view of the above circumstances, there is a need for an internal dredging device for a water flow pipeline for water conservancy and environmental protection, which can completely clean the water pipe and save manpower and materials.
A water conservancy environmental protection water flow pipeline internal dredging device comprises a hollow cylinder and a drill bit clamped at the front end of the cylinder, wherein supporting rods and a bearing rod are respectively fixed on the front inner wall and the rear inner wall of the cylinder, the supporting rods are distributed annularly, the ports of the supporting rods are connected with the outer wall of the ring, and the ports of the bearing rod are connected with the outer wall of a motor box;
the motor is accommodated in the motor box, a rotating shaft port rotated on the motor is clamped into the sleeve and is in sealed connection with the sleeve, the drill bit is positioned on a coaxial line in the cylinder and is fixedly provided with a hollow pipe body, the drill bit is provided with a plurality of water sprayers communicated with one end of the pipe body, the other end of the pipe body is clamped into the sleeve and is in sealed connection with the rotating shaft of the motor, the motor drives the rotating shaft to rotate, the drill bit is driven to rotate through the transmission of the pipe body, a notch is machined at the connecting part of the pipe body and the rotating shaft of the motor, and the notch is;
the inner wall of the circular ring is respectively provided with a water pump and a water tank, the circular ring penetrates through a plurality of vertical rods on the same plane, the top ends of the vertical rods penetrate through the cylinder and extend to the outside to be connected with the pulleys, and the outside of the bottom ends of the vertical rods is sleeved with a limiting cylinder;
the pipe body penetrates through a bearing in the positioning ring, a plurality of limiting cylinders are annularly distributed on the plurality of positioning rings, ring cavities in the positioning rings are communicated with the limiting cylinders, the positioning rings are communicated through pipelines, a pipeline connected to one positioning ring is connected with one port of a hydraulic pump in a cylinder, the other port of the hydraulic pump is connected with a water tank through a pipeline, water discharged from the water tank during the operation of the hydraulic pump enters the positioning rings or leaves the positioning rings, and a vertical rod slides up and down in the limiting cylinders;
the pipeline that one end of water pump is connected with telescopic inner chamber, and the pipeline that the other end of water pump is connected extends to the outside of drum to install the filter screen on its port, the water that the water pump work was taken in gets into the sleeve, through the breach from the water sprayer blowout of drill bit.
Furthermore, the vertical rod and the cylinder are connected in a sealing mode, and the vertical rod slides in the limiting cylinder and keeps the sealing performance.
Further, the motor, the water pump and the hydraulic pump are connected with a storage battery arranged in the cylinder to provide power.
Furthermore, a main channel and a plurality of auxiliary channels are distributed in the drill bit, the pipe orifice of the pipe body is embedded into the main channel, the auxiliary channels are distributed on the main channel in a surrounding mode, and the pipe orifice of the water sprayer is embedded into the auxiliary channels.
Further, the jet direction of the water jet is around the bit directly in front.
Furthermore, the number of the positioning rings is 2-4, and the volume superposition of the ring cavities of the plurality of positioning rings is less than the water storage amount of the water tank.
Furthermore, the pulley is electronic pulley, and electric power drives the pulley rotation, and equipment contacts through the pulley and the inner wall of water pipe, and moves.
The water conservancy environmental protection is with dredging of inside of the rivers pipeline and establishing, the hydraulic pump works, water increase in the spacing section of thick bamboo promotes the montant extension, after pulley and diapire inner wall contact, the pulley is electronic pulley, electric power drives the pulley rotation, equipment passes through the pulley and contacts with the inner wall of water pipe, and move, when the motor works, the rotation axis rotates and drives the body synchronous revolution, its drill bit also can rotate simultaneously, the drill bit can smash or bore the part of stifled in the water pipe in rotatory, the bore that the sprinkler goes out water is less, the spun water has very big pressure, can clear up the partly hard part on the water pipe wall, the water that the water pump work was taken in gets into the sleeve, spout from the sprinkler of drill bit through the breach, the high pressure water that utilizes the sprinkler to spout, the filter screen filters the water that extracts, get rid of big debris, the barrier after smashing dashes after being diluted by water, therefore, the dredging method not only can realize the thorough cleaning of the water pipe, but also saves manpower and materials.
Drawings
FIG. 1 is an overall cross-sectional view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of an embodiment of the present invention;
FIG. 3 is a partial block diagram of an embodiment of the present invention;
FIG. 4 is a partial perspective view of an embodiment of the present invention;
fig. 5 is a view showing the structure of a sleeve according to an embodiment of the present invention.
In the figure: 1. a cylinder; 11. a support bar; 12. a load-bearing bar; 13. a circular ring; 14. a motor case; 141. a motor; 2. a drill bit; 21. a pipe body; 211. a notch; 212. a positioning ring; 22. a water sprayer; 3. a sleeve; 4. a water pump; 41. a filter screen; 5. a water tank; 6. a vertical rod; 61. a pulley; 7. a limiting cylinder; 8. a hydraulic pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following will explain in detail an internal dredging device of a water conservancy environmental protection water flow pipeline of the present invention with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the water conservancy environment-friendly water flow pipeline internal dredging device of the embodiment of the invention comprises a hollow cylinder 1 and a drill bit 2 clamped at the front end of the cylinder 1, wherein the drill bit 2 and the cylinder 1 are clamped with each other and need to be connected in a sealing manner, a sealing ring is sleeved outside the drill bit 2 and is in contact with the inner wall of the cylinder 1, when the drill bit 2 rotates, water cannot enter the cylinder 1 through the sealing design of the sealing ring, damage caused by mechanical water inflow in the cylinder 1 is avoided, the service life is prolonged, a support rod 11 and a bearing rod 12 are respectively fixed on the front inner wall and the rear inner wall of the cylinder 1, a plurality of support rods 11 are distributed in an annular manner, the ports of the support rods 11 are connected with the outer wall of a ring 13, the ports of the bearing rod 12 are connected with the outer wall of a motor box 14, and the bottom ends of the support rods 11 and the bearing rod 12 face the axis, the support rod 11 and the bearing rod 12 are used as connecting pieces to fix the positions of the circular ring 13 and the motor box 14, and meanwhile, the axes of the circular ring 13 and the motor box 14 are also positioned on the same line.
The motor 141 is accommodated in the motor box 14, the motor 141 is fixed in the motor box 14, a rotating shaft port on the motor 141 is clamped in the sleeve 3, a rotating shaft of the motor 141 rotates in the sleeve 3 and is connected with the sleeve 3 in a sealing manner, water in the sleeve 3 cannot flow out to the outside in the rotating process of the rotating shaft of the motor 141, the drill bit 2 is positioned on a coaxial line in the cylinder 1 to fix the hollow pipe body 21, the drill bit 2 and the pipe body 21 are integrated, the pipe body 21 drives the drill bit 2 to synchronously rotate during rotation, a plurality of water sprayers 22 communicated with one end of the pipe body 21 are arranged on the drill bit 2, the water sprayers 22 spray out liquid flowing in from the pipe body 21 for subsequent cleaning, a main channel and a plurality of auxiliary channels are distributed in the drill bit 2, a pipe orifice of the pipe body 21 is embedded in the main channel, the auxiliary channels are distributed on the main channel in a surrounding manner, and pipe orifices of the water spraye, the spraying direction of the water sprayer 22 surrounds the right front of the drill bit 2, the aperture of the main channel is larger, the water flow from the pipe body 21 is directly received, the diameter of the auxiliary channel is smaller, the water in the main channel is divided to enter each corresponding water sprayer 22, the aperture of the water outlet of the water sprayer 22 is smaller, the water flow is compressed, the sprayed water has large pressure, a part of hard parts on the wall of the water pipe can be cleaned, the other end of the pipe body 21 is clamped into the sleeve 3 and is connected with the rotating shaft of the motor 141 in a sealing mode, the motor 141 drives the rotating shaft to rotate, the drill bit 2 is driven to rotate through the transmission of the pipe body 21, when the motor 141 works, the rotating shaft rotates to drive the pipe body 21 to rotate synchronously, the drill bit 2 can also rotate, the drill bit 2 can crush or drill parts blocked in the water pipe when rotating, high-pressure water sprayed by the water sprayer 22 is utilized, crushed obstacles are diluted and then washed, therefore, the dredging method not only can realize the thorough cleaning of the water pipe, but also saves manpower and materials.
The pipeline that the one end of water pump 4 is connected with the inner chamber of sleeve 3, and water is sent to in 4 works of water pump, and the pipeline that the other end of water pump 4 is connected extends to the outside of drum 1 to install filter screen 41 on its port, the liquid in the water pipe is taken out to water pump 4, and filter screen 41 filters the water of extraction, gets rid of big debris. Water pumped by the water pump 4 enters the sleeve 3 and is sprayed out of the water sprayer 22 of the drill bit 2 through the notch 211, and the motor 141, the water pump 4 and the hydraulic pump 8 are connected with a storage battery arranged in the cylinder 1 to provide power.
The water pump 4 and the water tank 5 are respectively installed on the inner wall of the circular ring 13, the positions of the water pump 4 and the water tank 5 are fixed, the circular ring 13 penetrates through a plurality of vertical rods 6 on the same plane, the vertical rods 6 can be supported and fixed on the circular ring 13, the top ends of the vertical rods 6 penetrate through the cylinder 1 and extend to the pulley 61 to be connected with the outside, the limiting cylinder 7 is sleeved on the bottom end of each vertical rod 6, the pulley 61 is an electric pulley, the pulley 61 is driven by electric power to rotate, the equipment is contacted with the inner wall of the water pipe through the pulley 61 and moves, the vertical rods 6 and the cylinder 1 are connected in a sealing mode, the vertical rods 6 slide in the limiting cylinder 7 and keep the sealing performance of the equipment, when the pulley 61 is powered, the pulley 61 can be contacted with the inner wall.
Referring to fig. 2-4, a plurality of positioning rings 212 are sleeved outside the tube body 21, the tube body 21 passes through bearings in the positioning rings 212, the tube body 21 can rotate around the bearings in the positioning rings 212, the bearings reduce the friction force of rotation, a plurality of positioning cylinders 7 are annularly distributed on the plurality of positioning rings 212, the annular cavities in the positioning rings 212 are communicated with the positioning cylinders 7, the positioning rings 212 are communicated through pipelines, the positioning rings 212 are arranged between water pipes, the pipeline connected to one positioning ring 212 is connected with one port of a hydraulic pump 8 in the cylinder 1, the other port of the hydraulic pump 8 is connected with the water tank 5 through a pipeline, the hydraulic pump 8 works, water pumped from the water tank 5 enters the annular cavities of the positioning rings 212, as the water in the annular cavities of the positioning rings 212 increases, the water in the lower positioning cylinders 7 is more, the positioning rings 212 can be two, three or four, and the volume of the annular cavities of the plurality of positioning rings 212 is superposed to be less than the, the complete ring chamber that can fill up the holding ring 212 in the water tank 5, let montant 6 remove in spacing section of thick bamboo 7, the discharged water gets into the holding ring 212 or leaves in hydraulic pump 8 work is followed water tank 5, montant 6 slides from top to bottom in spacing section of thick bamboo 7, montant 6 of below is at first extended, behind pulley 61 and the contact of diapire inner wall, hydraulic pump 8 continues to work, the water that slowly is located in the spacing section of thick bamboo 7 of top is more, the montant 6 of top is at first extended pulley 61 and the contact of diapire inner wall after, make equipment supported, utilize the removal of pulley 61, drive whole equipment and remove.
Please refer to fig. 5, a notch 211 is formed at a connection position of the tube body 21 and the rotating shaft of the motor 141, the notch 211 is communicated with the inner cavity of the sleeve 3, and the design of the notch 211 allows water filtered by the filter screen 41 to enter the tube body 21 from the notch 211 without affecting the rotation of the tube body 21 driven by the motor 141.
The working principle is as follows: the hydraulic pump 8 works, water pumped out by the water tank 5 enters the annular cavity of the positioning ring 212, after the annular cavity water of the positioning ring 212 increases, more water is in the lower limiting cylinder 7, the vertical rod 6 moves in the limiting cylinder 7, the vertical rod 6 at the lower part extends firstly, after the pulley 61 contacts with the inner wall of the bottom wall, the hydraulic pump 8 continues to work, more water is slowly in the upper limiting cylinder 7, after the vertical rod 6 at the upper part extends firstly, the pulley 61 contacts with the inner wall of the bottom wall, so that the equipment is supported, the whole equipment is driven to move by the movement of the pulley 61, the pulley 61 is an electric pulley, the pulley 61 is driven by electric power to rotate, the equipment contacts with the inner wall of the water pipe through the pulley 61 and moves, when the motor 141 works, the rotating shaft rotates to drive the pipe body 21 to rotate synchronously, meanwhile, the drill bit 2 also rotates, the drill bit 2 can crush or drill the parts blocked in the water, the high pressure water sprayed by the water sprayer 22 is utilized, the crushed obstacles are diluted by the water and then washed, therefore, the dredging method not only can realize the thorough cleaning of the water pipe, but also saves manpower and materials, the drill bit 2 is internally distributed with a main channel and a plurality of auxiliary channels, the pipe orifice of the pipe body 21 is embedded in the main channel, the auxiliary channels are distributed on the main channel in a surrounding way, the pipe orifice of the water sprayer 22 is embedded in the auxiliary channels, the spraying direction of the water sprayer 22 surrounds the right front of the drill bit 2, the aperture of the main channel is larger, the water flow from the pipe body 21 is directly received, the diameter of the auxiliary channels is smaller, the water in the main channel is shunted to enter each corresponding water sprayer 22, the aperture of the water outlet of the water sprayer 22 is smaller, the water flow is compressed, the sprayed water has large pressure, the hard part on the wall of the water pipe can be cleaned, the filter screen 41 filters the extracted water to remove large impurities, the water pumped by the pump 4 enters the sleeve 3 and is ejected from the water jet 22 of the drill bit 2 through the notch 211.
In summary, the following steps: the water conservancy environmental protection is with dredging of inside of the water flow pipeline and setting up, the hydraulic pump 8 works, the water increase in the spacing cylinder 7 promotes the montant 6 to extend, after pulley 61 and bottom wall inner wall contact, pulley 61 is the electronic pulley, electric power drive pulley 61 is rotatory, the apparatus contacts with inner wall of the water pipe through pulley 61, and move, when the electrical machinery 141 works, the rotation axis rotates and drives the tube body 21 to rotate synchronously, its bit 2 will also rotate at the same time, the bit 2 can pulverize or bore the part blocked in the water pipe while rotating, the bore of the water outlet of the sprinkler 22 is smaller, the water sprayed out has very large pressure, can clear up the part that the water pipe wall is partly hard, the water that the water pump 4 works to suck enters the bush 3, squirt from the sprinkler 22 of the bit 2 through the breach 211, the high-pressure water sprayed out of the sprinkler 22 is utilized, the filter screen 41 filters the water pumped out, get rid of, the crushed barriers are diluted by water and then flushed, so that the dredging method not only can realize the thorough cleaning of the water pipe, but also saves manpower and objects.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a water conservancy is inside mediation equipment of rivers pipeline for environmental protection which characterized in that: the drilling machine comprises a hollow cylinder (1) and a drill bit (2) clamped at the front end of the cylinder (1), wherein supporting rods (11) and a bearing rod (12) are respectively fixed on the front inner wall and the rear inner wall of the cylinder (1), the supporting rods (11) are distributed annularly, the ports of the supporting rods are connected with the outer wall of a circular ring (13), and the port of the bearing rod (12) is connected with the outer wall of a motor box (14);
the motor (141) is accommodated in the motor box (14), a rotating shaft port on the motor (141) is clamped into the sleeve (3) and is connected with the sleeve (3) in a sealing manner, the drill bit (2) is positioned on a coaxial line in the cylinder (1) to fix the hollow pipe body (21), a plurality of water sprayers (22) communicated with one end of the pipe body (21) are arranged on the drill bit (2), the other end of the pipe body (21) is clamped into the sleeve (3) and is connected with a rotating shaft of the motor (141), the motor (141) drives the rotating shaft to rotate, the drill bit (2) is driven to rotate through the transmission of the pipe body (21), a notch (211) is machined at the connecting position of the pipe body (21) and the rotating shaft of the motor (141), and the notch (211) is communicated with an inner cavity of the sleeve;
the inner wall of the circular ring (13) is respectively provided with a water pump (4) and a water tank (5), the circular ring (13) penetrates through a plurality of vertical rods (6) on the same plane, the top ends of the vertical rods (6) penetrate through the cylinder (1) and extend to the outside to be connected with pulleys (61), and the outside of the bottom ends of the vertical rods (6) is sleeved with a limiting cylinder (7);
the outer sleeve of the pipe body (21) is provided with a plurality of positioning rings (212), the pipe body (21) penetrates through bearings in the positioning rings (212), a plurality of limiting cylinders (7) are distributed on the positioning rings (212) in an annular mode, annular cavities in the positioning rings (212) are communicated with the limiting cylinders (7), the positioning rings (212) are communicated through pipelines, a pipeline connected to one positioning ring (212) is connected with one port of a hydraulic pump (8) in the cylinder (1), the other port of the hydraulic pump (8) is connected with the water tank (5) through a pipeline, water drained from the water tank (5) during operation of the hydraulic pump (8) enters the positioning rings (212) or leaves the positioning rings (212), and the vertical rod (6) slides up and down in the limiting cylinders (7);
the pipeline that one end of water pump (4) is connected with the inner chamber of sleeve (3), and the pipeline that the other end of water pump (4) is connected extends to the outside of drum (1) to install filter screen (41) on its port, water that water pump (4) work was taken in gets into sleeve (3), through breach (211) from water sprayer (22) blowout of drill bit (2).
2. The internal dredging device for the water conservancy and environmental protection water flow pipeline of claim 1, wherein: the vertical rod (6) and the cylinder (1) are connected in a sealing way, and the vertical rod (6) slides in the limiting cylinder (7) and keeps the sealing property.
3. The internal dredging device for the water conservancy and environmental protection water flow pipeline of claim 1, wherein: the motor (141), the water pump (4) and the hydraulic pump (8) are connected with a storage battery arranged in the cylinder (1) to provide power.
4. The internal dredging device for the water conservancy and environmental protection water flow pipeline of claim 1, wherein: a main channel and a plurality of auxiliary channels are distributed in the drill bit (2), the pipe orifice of the pipe body (21) is embedded into the main channel, the auxiliary channels are distributed on the main channel in a surrounding mode, and the pipe orifice of the water sprayer (22) is embedded into the auxiliary channels.
5. The internal dredging device for the water conservancy and environmental protection water flow pipeline of claim 4, wherein: the jet direction of the water jet (22) surrounds the right front of the drill bit (2).
6. The internal dredging device for the water conservancy and environmental protection water flow pipeline of claim 1, wherein: the number of the positioning rings (212) is 2-4, and the volume superposition of the ring cavities of the plurality of positioning rings (212) is less than the water storage amount of the water tank (5).
7. The internal dredging device for the water conservancy and environmental protection water flow pipeline of claim 1, wherein: the pulley (61) is an electric pulley, the pulley (61) is driven by electric power to rotate, and the equipment is contacted with the inner wall of the water pipe through the pulley (61) and moves.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910754890.8A CN110340085B (en) | 2019-08-15 | 2019-08-15 | Inside mediation equipment of rivers pipeline for water conservancy environmental protection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910754890.8A CN110340085B (en) | 2019-08-15 | 2019-08-15 | Inside mediation equipment of rivers pipeline for water conservancy environmental protection |
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| CN110340085B true CN110340085B (en) | 2021-04-02 |
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| CN110773523A (en) * | 2019-11-05 | 2020-02-11 | 潘庆华 | Inner wall cleaning device for pipeline |
| CN110847311A (en) * | 2019-11-19 | 2020-02-28 | 中冶建工集团有限公司 | Sewage pipe maintenance and dredging device |
| CN114562635A (en) * | 2022-01-24 | 2022-05-31 | 中国地质大学（武汉） | Multifunctional vehicle for rapidly detecting, cleaning and removing obstacles of underground pipeline |
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| US20090223335A1 (en) * | 2008-03-10 | 2009-09-10 | Shonan Gosei-Jushi Seishakusho K.K. | In-pipe work robot |
| CN205393125U (en) * | 2016-03-20 | 2016-07-27 | 仲继东 | Oil extraction cleaning device |
| CN106049659B (en) * | 2016-08-01 | 2018-07-03 | 黄河科技学院 | High-pressure water jet spiral advance and retreat formula pipe dredging device |
| KR101913373B1 (en) * | 2018-07-10 | 2019-01-14 | (주)크린텍 | Scale removing device of pipe line and pipe washing method using the same |
| CN208810755U (en) * | 2018-09-13 | 2019-05-03 | 席红利 | A kind of oil field pipe apparatus for eliminating sludge |
| CN109811877B (en) * | 2019-03-15 | 2020-07-17 | 李建岗 | Water conservancy construction pipeline mediation guiding device |
| CN109894437B (en) * | 2019-03-15 | 2021-02-02 | 黄虎 | Water conservancy construction pipeline mediation water conservancy diversion instrument |
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