CN110644610A - Municipal administration pipeline desilting pull throughs - Google Patents

Municipal administration pipeline desilting pull throughs Download PDF

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Publication number
CN110644610A
CN110644610A CN201910898527.3A CN201910898527A CN110644610A CN 110644610 A CN110644610 A CN 110644610A CN 201910898527 A CN201910898527 A CN 201910898527A CN 110644610 A CN110644610 A CN 110644610A
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China
Prior art keywords
top surface
fixed
blade
rod
disc
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Granted
Application number
CN201910898527.3A
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Chinese (zh)
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CN110644610B (en
Inventor
邵力军
林丹艳
项玲晓
谢益敏
屠文永
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ZHEJIANG SHIGAO ENVIRONMENTAL CONSTRUCTION ENGINEERING Co Ltd
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ZHEJIANG SHIGAO ENVIRONMENTAL CONSTRUCTION ENGINEERING Co Ltd
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Priority to CN201910898527.3A priority Critical patent/CN110644610B/en
Publication of CN110644610A publication Critical patent/CN110644610A/en
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F9/00Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E03F9/002Cleaning sewer pipes by mechanical means

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Cleaning In General (AREA)

Abstract

The invention provides a municipal pipeline dredging device. The municipal pipeline dredging device comprises a handle; the handle is mounted at one end of the supporting mechanism; the mounting mechanism is rotatably connected with the other end of the supporting mechanism; a drive mechanism; the cleaning mechanism is rotatably connected with the inside of the mounting mechanism and comprises a fixed disc, a brush, a sealing disc and a blade, the inside of the top end of the mounting mechanism is rotatably connected with the sealing disc, and the bottom surface of the sealing disc is connected with the driving mechanism; the top surface of the sealing disc is provided with the fixed disc; the hairbrushes are uniformly arranged on the top surface of the fixed disk, and the blades are arranged on the top surface of the fixed disk at equal intervals; the blanking mechanism is arranged inside the mounting mechanism, and the top surface of the blanking mechanism is flush with the top surface of the blade; and (5) cleaning the mechanism. The municipal pipeline dredging device provided by the invention can avoid scratching the inner side wall of the pipeline.

Description

Municipal administration pipeline desilting pull throughs
Technical Field
The invention relates to the technical field of pipeline dredging, in particular to a municipal pipeline dredging device.
Background
The pipeline dredging is to dredge the pipeline, clean the sludge in the pipeline and keep the pipeline smooth for a long time so as to prevent waterlogging in cities. Pipeline desilting work has become a significant job that is not negligible for the drainage department. A large amount of sundries are discharged into the drainage pipeline, and the pipeline is blocked due to the precipitation and sedimentation of cement sand in the capital construction site. The excessive sewage flow can be caused without dredging the pipeline, the environment is polluted, and the trouble is brought to the life of people.
In municipal administration pipeline clearance in-process, some greasy dirt and other impurity mix to bond in the inside of pipeline, are difficult to clear away, and current pipeline desilting dredging machine drives the blade and rotates the impurity of pipeline inside and scrape away, but the blade rotates and scrapes away the impurity of pipeline inside, but the blade rotates and pipeline inside contact, and the blade can scratch the inside wall of pipeline, causes the inside damage of pipeline.
Therefore, a new municipal pipeline dredging device is needed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a municipal pipeline dredging device capable of preventing the inner side wall of a pipeline from being scratched.
In order to solve the technical problem, the municipal pipeline dredging device provided by the invention comprises: a handle; the handle is mounted at one end of the supporting mechanism; the mounting mechanism is rotatably connected with the other end of the supporting mechanism; the driving mechanism is arranged at one end of the supporting mechanism and inside the mounting mechanism; the cleaning mechanism is rotatably connected with the inside of the mounting mechanism and comprises a fixed disc, a brush, a sealing disc and a blade, the inside of the top end of the mounting mechanism is rotatably connected with the sealing disc, and the bottom surface of the sealing disc is connected with the driving mechanism; the top surface of the sealing disc is provided with the fixed disc; the hairbrushes are uniformly arranged on the top surface of the fixed disk, and the blades are arranged on the top surface of the fixed disk at equal intervals; the blanking mechanism is arranged inside the mounting mechanism, and the top surface of the blanking mechanism is flush with the top surface of the blade; and the cleaning mechanism is arranged in the supporting mechanism and on the top surface of the fixed disk.
Preferably, the support mechanism comprises a first support rod, a screw rod and a second support rod, the handle is mounted on the side wall of the first support rod, and the second support rod is slidably connected inside the first support rod; the lateral wall of first bracing piece with threaded connection between the screw rod, just the screw rod is contradicted the second bracing piece.
Preferably, installation mechanism includes rubber ring, fixed ball and a fixed section of thick bamboo, the top internally mounted of second bracing piece the rubber ring, the rubber ring with the inside block and the roll connection of second bracing piece the fixed ball, the top installation of fixed ball a fixed section of thick bamboo.
Preferably, actuating mechanism includes battery, button and waterproof motor, the bottom installation of first bracing piece the battery, the lateral wall installation of handle the button, the internally mounted of solid fixed cylinder the waterproof motor, just waterproof motor electric connection the button with the battery.
Preferably, the inside of fixed section of thick bamboo rotates to be connected sealed dish with the fixed disk, just the bottom surface rotation of sealed dish is connected waterproof motor.
Preferably, the cleaning mechanism comprises a funnel, a corrugated pipe, a water inlet tank and a spray head, the funnel is mounted inside the top end of the second supporting rod, and two ends of the corrugated pipe are respectively connected with the funnel and the fixing ball; a joint is arranged on the side wall of the second secondary rod and communicated with the corrugated pipe; seal dish bottom surface even installation the intake chamber, the top surface equidistance slope installation of fixed disk the shower nozzle, the shower nozzle intercommunication the intake chamber, just the shower nozzle is located adjacent lateral wall and is curved between the blade.
Preferably, the blanking mechanism comprises a stop ring, a fixed rod and a fixed ring, the stop ring is inclined on the top surface of the top end of the fixed cylinder, and the inside of the stop ring is rotatably connected with the fixed disk; the top surface equidistance installation of fixed section of thick bamboo the dead lever, the top installation of dead lever gu fixed ring, just gu fixed ring's top surface with the top surface of blade flushes.
Compared with the prior art, the municipal pipeline dredging device provided by the invention has the following beneficial effects:
the invention provides a municipal pipeline dredging device, in the process of dredging a pipeline, when some impurities are adhered in the pipeline and are difficult to clean, a handle is held to drive a supporting mechanism to move, so that a brush is contacted with the impurities, a driving mechanism is opened, the driving mechanism drives a sealing disc and a fixed disc to rotate, the fixed disc drives the brush to rotate, so that the brush can primarily clean the impurities in the pipeline, the top surface of the fixed disc is provided with a blade, the top surface of the blade is flush with the top surface of a discharging mechanism, so that the impurities in the pipeline enter the discharging mechanism, the blade rotates to crush the impurities in the pipeline, meanwhile, the brush scrapes out the crushed impurities, the inner side wall of the pipeline is contacted with the discharging mechanism, and the contact between the inner side wall of the pipeline and the blade is avoided, avoid the blade scratch pipeline, and water runs through simultaneously wiper mechanism follows the lateral wall slope roll-off of blade, water will impurity on the blade is washed out, avoids bonding impurity on the blade, and is convenient the blade is with the quick clearance of impurity on the pipeline.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the municipal pipeline dredging device provided by the invention;
FIG. 2 is a schematic view of the internal structure of the mounting mechanism shown in FIG. 1;
FIG. 3 is a bottom plan view of the seal disk construction shown in FIG. 2;
fig. 4 is an enlarged view of the structure at a shown in fig. 2.
Reference numbers in the figures: 1. the device comprises a handle, 2, a driving mechanism, 21, a storage battery, 22, a button, 23, a waterproof motor, 3, a supporting mechanism, 31, a first supporting rod, 32, a screw rod, 33, a second supporting rod, 4, a joint, 5, a cleaning mechanism, 51, a fixed disc, 52, a brush, 53, a sealing disc, 54, a blade, 6, an installing mechanism, 61, a rubber ring, 62, a fixed ball, 63, a fixed cylinder, 7, a cleaning mechanism, 71, a funnel, 72, a corrugated pipe, 73, a water inlet groove, 74, a spray head, 8, a blanking mechanism, 81, a blocking ring, 82, a fixed rod, 83 and a fixed ring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural view of a preferred embodiment of the municipal pipeline dredging device provided by the invention; FIG. 2 is a schematic view of the internal structure of the mounting mechanism shown in FIG. 1; FIG. 3 is a bottom plan view of the seal disk construction shown in FIG. 2; fig. 4 is an enlarged view of the structure at a shown in fig. 2. Municipal administration pipeline desilting pull throughs includes: a handle 1; the supporting mechanism 3, one end of the supporting mechanism 3 is installed with the handle 1; the mounting mechanism 6 is rotatably connected with the other end of the supporting mechanism 3; a driving mechanism 2, wherein the driving mechanism 2 is arranged at one end of the supporting mechanism 3 and inside the mounting mechanism 6; the cleaning mechanism 5 is rotatably connected with the inside of the mounting mechanism 6, the cleaning mechanism 5 comprises a fixed disc 51, a hairbrush 52, a sealing disc 53 and a blade 54, the inside of the top end of the mounting mechanism 6 is rotatably connected with the sealing disc 53, and the bottom surface of the sealing disc 53 is connected with the driving mechanism 2; the top surface of the seal disc 53 is provided with the fixed disc 51; the hairbrushes 52 are uniformly arranged on the top surface of the fixed disc 51, and the blades 54 are arranged on the top surface of the fixed disc 51 at equal intervals; the blanking mechanism 8 is arranged inside the mounting mechanism 6, and the top surface of the blanking mechanism 8 is flush with the top surface of the blade 54; and the cleaning mechanism 7 is arranged in the supporting mechanism 3 and on the top surface of the fixed disc 51, and the cleaning mechanism 7 is arranged on the top surface of the fixed disc 51.
The supporting mechanism 3 comprises a first supporting rod 31, a screw rod 32 and a second supporting rod 33, the handle 1 is mounted on the side wall of the first supporting rod 31, and the second supporting rod 33 is connected with the inside of the first supporting rod 31 in a sliding manner; the lateral wall of first bracing piece 31 with threaded connection between the screw rod 32, just the screw rod 32 is contradicted second bracing piece 33, for the convenience second bracing piece 33 is in the inside of first bracing piece 31 slides, adjusts the height of second bracing piece 33 is rotatory the screw rod 32 makes the screw rod 32 extrudees second bracing piece 33 will second bracing piece 33 is fixed.
Installation mechanism 6 includes rubber ring 61, fixed ball 62 and a fixed section of thick bamboo 63, the top internally mounted of second bracing piece 33 rubber ring 61, rubber ring 61 with the inside block and the roll connection of second bracing piece 33 fixed ball 62, the top installation of fixed ball 62 a fixed section of thick bamboo 63 will for convenient to use fixed ball 62 is fixed inside the top of second bracing piece 33, and convenient fixed ball 62 is in the inside roll of second bracing piece 33 makes fixed ball 62 drives a fixed section of thick bamboo 63 rotates, and is convenient a fixed section of thick bamboo 63 drives brush 52 and blade 54 contact from the inside impurity of different angles and pipeline, with the inside impurity clean up of pipeline.
The driving mechanism 2 includes a storage battery 21, a button 22 and a waterproof motor 23, the storage battery 21 is mounted at the bottom end of the first supporting rod 31, the button 22 is mounted on the side wall of the handle 1, the waterproof motor 23 is mounted inside the fixed cylinder 63, the waterproof motor 23 is electrically connected to the button 22 and the storage battery 21, and the storage battery 21 and the waterproof motor 23 are operated in order to press the button 22 conveniently.
The inside of fixed cylinder 63 rotates and connects sealed dish 53 with fixed disk 51, just the bottom surface rotation of sealed dish 53 connects waterproof motor 23, and for the convenience waterproof motor 23 drives sealed dish 53 rotates, makes blade 54 with brush 52 rotates.
The cleaning mechanism 7 comprises a funnel 71, a corrugated pipe 72, a water inlet tank 73 and a spray head 74, the funnel 71 is mounted inside the top end of the second support rod 33, and two ends of the corrugated pipe 72 are respectively connected with the funnel 71 and the fixing ball 62; the side wall of the second secondary rod 33 is provided with a joint 4, and the joint 4 is communicated with the corrugated pipe 72; seal dish 53 bottom surface even installation intake chamber 73, the top surface equidistance slope installation of fixed disk 51 shower nozzle 74, shower nozzle 74 communicates intake chamber 73, just shower nozzle 74 is located adjacent lateral wall and is the arc between blade 54, for the convenience connect 4 and water pipe intercommunication, make water get into the inside of funnel 71 makes water run through bellows 72 with fixed ball 62 gets into the inside of solid fixed cylinder 63 makes water run through intake chamber 72 gets into the inside of shower nozzle 74 makes water follow the inside slope blowout of shower nozzle 74 makes water be the arc at the lateral wall of blade 54 slides, makes water will impurity sanitization on the blade 54, and water and pipeline contact wash totally with pipeline inside.
The blanking mechanism 8 comprises a stop ring 81, a fixed rod 82 and a fixed ring 83, the stop ring 81 is inclined on the top surface of the top end of the fixed cylinder 63, and the inside of the stop ring 81 is rotatably connected with the fixed disc 51; the fixing rod 82 is installed on the top surface of the fixing barrel 63 at equal intervals, the fixing ring 83 is installed at the top end of the fixing rod 82, the top surface of the fixing ring 83 is flush with the top surface of the blade 54, impurities scraped out of the blade 54 enter the inside of the fixing ring 83 conveniently, the impurities are made to slide downwards on the side wall of the blocking ring 81, the impurities are made to slide downwards on the side wall of the fixing rod 82, and the impurities are prevented from entering the inside of the fixing barrel 63.
The working principle of the municipal pipeline dredging device provided by the invention is as follows: when impurities are bonded in the pipeline and are difficult to clean, the screw rod 32 is rotated to separate the screw rod 32 from the second supporting rod 33, the second supporting rod 33 slides in the first supporting rod 31, the height of the device is adjusted, and after the height is adjusted, the water pipe is connected with the joint 4. Hold tightly handle 1 makes handle 1 drives brush 52 moves, makes brush 52 piles up the department contact with the inside impurity of pipeline, presses button 22, makes battery 21 with waterproof motor 23 switches on, makes waterproof motor 23 switch on, makes waterproof motor 23 drives sealed dish 53 with fixed disk 51 rotates, opens the water pipe again, makes water gets into the inside of funnel 71. At this moment, the fixed disc 51 drives the brush 52 to rotate, so that the brush 52 primarily removes impurities in the pipeline, the top surface installation side wall of the fixed disc 51 is arc-shaped, the top surface of the blade 54 is flush with the top surface of the fixed ring 83, so that the impurities in the pipeline enter the fixed ring 83, the blade 54 rotates to crush the impurities in the pipeline, meanwhile, the brush 52 scrapes out the crushed impurities, the inner side wall of the pipeline is in contact with the fixed ring 83, the inner side wall of the pipeline is prevented from being in contact with the blade 54, the blade 54 is prevented from scratching the pipeline, and the fixed cylinder 63 continuously rotates along with the fixed ball 62, so that the brush 52 and the blade 54 are in contact with the impurities from different angles; meanwhile, water enters the funnel 71, so that the water penetrates through the corrugated pipe 72 and the fixing balls 62 to enter the fixing barrel 63, the sealing disc 53 seals the top surface of the fixing barrel 63, the water penetrates through the water inlet groove 72 to enter the spray head 74, the water is obliquely sprayed out from the spray head 74, the side wall of the blade 54 is arc-shaped, the impurities on the blade 54 are cleaned, the fixing disc 51 rotates, the water flies around under the action of centrifugal force, the water is in contact with the pipeline, the impurities in the pipeline are cleaned, the cleaning speed of the blade 54 is accelerated, the water moves to flush out the impurities in the hairbrush 52, the hairbrush 52 is kept clean, and the hairbrush 52 is convenient to contact with the impurities. Partial impurities slide out of the side wall of the fixed disc 51 and fall onto the top surface of the blocking ring 81, the top surface of the blocking ring 81 inclines, so that the impurities slide downwards on the side wall of the blocking ring 81, the blocking ring 81 is in contact with the fixed cylinder 63, the impurities are prevented from entering the fixed cylinder 63, the impurities are discharged from the fixed cylinder 63 through the sliding of the side wall of the fixed rod 82, and the impurities are prevented from being accumulated in the fixed cylinder 63.
Compared with the prior art, the municipal pipeline dredging device provided by the invention has the following beneficial effects:
the invention provides a municipal pipeline dredging device, in the process of dredging a pipeline, when some impurities are adhered in the pipeline and are difficult to clean, a handle 1 is held to drive a supporting mechanism 3 to move, a brush 52 is contacted with the impurities, a driving mechanism 2 is opened, the driving mechanism 2 drives a sealing disc 53 and a fixed disc 51 to rotate, the fixed disc 51 drives the brush 52 to rotate, the brush 52 primarily cleans the impurities in the pipeline, the top surface of the fixed disc 51 is provided with a blade 54, the top surface of the blade 54 is flush with the top surface of a blanking mechanism 8, the impurities in the pipeline enter the blanking mechanism 8, the blade 54 rotates to crush the impurities in the pipeline, the brush 52 scrapes out the crushed impurities, and the inner side wall of the pipeline is contacted with the blanking mechanism 8, avoid the pipeline inside wall with the contact of blade 54, avoid blade 54 scratch pipeline, and water runs through simultaneously wiper mechanism 7 follows the lateral wall slope roll-off of blade 54, water will impurity on the blade 54 is washed out, avoids bonding impurity on the blade 54, and is convenient blade 54 clears up the impurity on the pipeline fast.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a municipal administration pipeline desilting pull throughs which characterized in that includes:
a handle (1);
the supporting mechanism (3), one end of the supporting mechanism (3) is installed with the handle (1);
the mounting mechanism (6), the said mounting mechanism (6) connects another end of the said supporting mechanism (3) rotatably;
the driving mechanism (2), the said driving mechanism (2) is mounted to one end of the said supporting mechanism (3) and inside of the said mounting mechanism (6);
the cleaning mechanism (5) is rotatably connected with the inside of the mounting mechanism (6), the cleaning mechanism (5) comprises a fixed disc (51), a hairbrush (52), a sealing disc (53) and a blade (54), the inside of the top end of the mounting mechanism (6) is rotatably connected with the sealing disc (53), and the bottom surface of the sealing disc (53) is connected with the driving mechanism (2); the top surface of the sealing disc (53) is provided with the fixed disc (51); the top surface of the fixed disc (51) is uniformly provided with the hairbrushes (52), and the blades (54) are arranged on the top surface of the fixed disc (51) at equal intervals;
the blanking mechanism (8) is arranged in the mounting mechanism (6), and the top surface of the blanking mechanism (8) is flush with the top surface of the blade (54);
and the cleaning mechanism (7), wherein the cleaning mechanism (7) is arranged in the supporting mechanism (3) and on the top surface of the fixed disc (51).
2. The municipal pipeline dredging device according to claim 1, wherein the supporting mechanism (3) comprises a first supporting rod (31), a screw rod (32) and a second supporting rod (33), the handle (1) is mounted on the side wall of the first supporting rod (31), and the second supporting rod (33) is slidably connected with the inside of the first supporting rod (31); the lateral wall of first bracing piece (31) with threaded connection between screw rod (32), just screw rod (32) are contradicted second bracing piece (33).
3. The municipal pipeline dredging device according to claim 2, wherein the mounting mechanism (6) comprises a rubber ring (61), a fixing ball (62) and a fixing barrel (63), the rubber ring (61) is mounted inside the top end of the second supporting rod (33), the rubber ring (61) and the inside of the second supporting rod (33) are clamped and connected with the fixing ball (62) in a rolling manner, and the fixing barrel (63) is mounted at the top end of the fixing ball (62).
4. The municipal pipeline dredging device according to claim 3, wherein the driving mechanism (2) comprises a storage battery (21), a button (22) and a waterproof motor (23), the storage battery (21) is mounted at the bottom end of the first supporting rod (31), the button (22) is mounted at the side wall of the handle (1), the waterproof motor (23) is mounted inside the fixed cylinder (63), and the waterproof motor (23) is electrically connected with the button (22) and the storage battery (21).
5. The municipal pipeline dredging device according to claim 4, wherein the fixed cylinder (63) is rotatably connected with the sealing disc (53) and the fixed disc (51), and the bottom surface of the sealing disc (53) is rotatably connected with the waterproof motor (23).
6. The municipal pipeline dredging device according to claim 4, wherein the cleaning mechanism (7) comprises a funnel (71), a corrugated pipe (72), a water inlet groove (73) and a spray head (74), the funnel (71) is mounted inside the top end of the second supporting rod (33), and two ends of the corrugated pipe (72) are respectively connected with the funnel (71) and the fixing ball (62); the side wall of the second secondary rod (33) is provided with a joint (4), and the joint (4) is communicated with the corrugated pipe (72); seal dish (53) bottom surface even installation intake antrum (73), the top surface equidistance slope installation of fixed disk (51) shower nozzle (74), shower nozzle (74) intercommunication intake antrum (73), just shower nozzle (74) are located adjacent lateral wall and are curved between blade (54).
7. The municipal pipeline dredging device according to claim 6, wherein the blanking mechanism (8) comprises a stop ring (81), a fixed rod (82) and a fixed ring (83), the stop ring (81) is inclined at the top end top surface of the fixed barrel (63), and the inside of the stop ring (81) is rotatably connected with the fixed disk (51); the fixing rod (82) is installed on the top surface of the fixing barrel (63) at equal intervals, the fixing ring (83) is installed at the top end of the fixing rod (82), and the top surface of the fixing ring (83) is flush with the top surface of the blade (54).
CN201910898527.3A 2019-09-23 2019-09-23 Municipal administration pipeline desilting pull throughs Active CN110644610B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115030298A (en) * 2022-07-20 2022-09-09 中建八局第一建设有限公司 Dredging device that municipal drainage pipe network used

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Publication number Priority date Publication date Assignee Title
KR20130109270A (en) * 2012-03-27 2013-10-08 노은실 Versatile, easy to remove foreign substances such as drain and sewer cleaning tools
CN205518852U (en) * 2016-03-18 2016-08-31 重庆能源职业学院 Cleaning device of petroleum chemical pipeline
CN106284638A (en) * 2016-09-09 2017-01-04 上海电机学院 A kind of pipeline drainer
CN206007164U (en) * 2016-06-20 2017-03-15 长江大学 A kind of toilet Motorized cleaning apparatus
CN208466763U (en) * 2018-02-08 2019-02-05 中国石油化工股份有限公司 A kind of pipe cleaner
CN209114594U (en) * 2018-10-17 2019-07-16 湖北省鼎城都市环保科技有限公司 A kind of inner wall of the pipe cleaning equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130109270A (en) * 2012-03-27 2013-10-08 노은실 Versatile, easy to remove foreign substances such as drain and sewer cleaning tools
CN205518852U (en) * 2016-03-18 2016-08-31 重庆能源职业学院 Cleaning device of petroleum chemical pipeline
CN206007164U (en) * 2016-06-20 2017-03-15 长江大学 A kind of toilet Motorized cleaning apparatus
CN106284638A (en) * 2016-09-09 2017-01-04 上海电机学院 A kind of pipeline drainer
CN208466763U (en) * 2018-02-08 2019-02-05 中国石油化工股份有限公司 A kind of pipe cleaner
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115030298A (en) * 2022-07-20 2022-09-09 中建八局第一建设有限公司 Dredging device that municipal drainage pipe network used

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