CN106337494A - Municipal pipeline dredging vehicle - Google Patents
Municipal pipeline dredging vehicle Download PDFInfo
- Publication number
- CN106337494A CN106337494A CN201610960805.XA CN201610960805A CN106337494A CN 106337494 A CN106337494 A CN 106337494A CN 201610960805 A CN201610960805 A CN 201610960805A CN 106337494 A CN106337494 A CN 106337494A
- Authority
- CN
- China
- Prior art keywords
- robot
- sewage
- municipal pipeline
- dredging vehicle
- pipeline
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
- E03F9/002—Cleaning sewer pipes by mechanical means
Abstract
The invention relates to a municipal pipeline dredging vehicle. The municipal pipeline dredging vehicle comprises a chassis and a subframe mounted on the chassis, and further comprises a pipe robot for scattering and clearing sewage in a municipal pipeline, a sewage suction device for sucking the scattered sewage in the pipeline, a solid-liquid separation device used for performing solid-liquid separation on the sewage sucked by the sewage suction device and a waste water recycling device for recycling separated waste water. The dredging vehicle can be adapted to various silting situations, the pipe robot is used for scattering, milling, scraping and converyingsludge to an inspection well, the vacuum sewage suction system are organically combined with the solid-liquid separation system, and continuous operation and site separation of the sludge are realized, so that the construction efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of municipal pipeline desilting dredging vehicle.
Background technology
Municipal sewer pipe is dug or hand fit's suction-type sewer scavenger is carried out, work under bad environment using manually drawing mostly at present, empty
Between narrow, in case of emergency case cannot avoid in time, jeopardize the personal safety of workmen.General suction-type sewer scavenger no separation of solid and liquid work(
Can, being filled a tank needs outward transport to topple over, inefficiency and cause easy secondary pollution.Secondly drawn using machinery and dig and use joint
Dredging vehicle, wherein machinery are drawn and are dug inefficiency and clear up not thorough.Although combined dredging car for water can backwash, manage for big
Mud effect on driving birds is not good inside the transverse tube of footpath is it is impossible to thorough desilting is dredged.
Content of the invention
It is an object of the invention to, for the deficiencies in the prior art, provide a kind of municipal pipeline desilting dredging vehicle, can be automatically
Dirt in the municipal sewer pipe of cleaning, and dirt after cleaning is classified and recycled.
The technical scheme is that, a kind of municipal pipeline desilting dredging vehicle, including automobile chassis and be arranged on automobile bottom
Subframe on disk, also includes:
Pipe robot, for being broken up to the dirt in municipal pipeline and being cleared up；
Sewage suction device, is arranged on subframe, for the dirt broken up in suction channel；
Equipment for separating liquid from solid, is arranged on subframe, carries out separation of solid and liquid to the dirt of sewage suction device suction；
Sewage recycling device, the Sewage treatment after equipment for separating liquid from solid is separated utilizes.
Further, pipe robot include robot casing, two parallel traveling crawlers below robot casing,
The milling head that can rotate around own axes of robot casing front end, the shower nozzle of robot casing front end, robot box back
Scraper plate, the top of scraper plate is hinged with robot casing, and is provided with the scraper plate of adjustment wiper positions in the lower section of robot casing
Detent mechanism；Described milling head is arranged in milling swing arm, and milling swing arm is passed through bearing pin and is connected with robot casing, and in machine
It is provided with the milling swing arm rotating mechanism controlling milling swing arm rotation in people's casing；The front end of robot casing is provided with camera.
Further, scrape board positioning mechanism and include being located at scraper plate location-plate in front of scraper plate, expansion link and scraper plate location-plate
The scraper plate positional cylinder connecting.
Further, robot casing top is provided with the power transmission crawler belt parallel with traveling crawler, and described power transmission crawler belt passes through
Lifting body is connected with robot casing；Described lifting body includes scissor arms and power transmission oil cylinder, the top of described scissor arms with
Power transmission crawler belt connects, and the bottom of scissor arms is connected with power transmission oil cylinder.
Further, traveling crawler is by fluid motor-driven, and is connected with robot bottom half by buffer beam.
Further, sewage suction device includes vavuum pump, vacuum tank, aspirates the dirt sucking tube of dirt in pipeline, described true
Slack tank body top is provided with the charging elbow leading within vacuum tank, and described dirt sucking tube is connected with charging elbow.
Further, it is provided with outer wall orifice plate case with holes in vacuum tank, described charging elbow bottom is passed through in orifice plate case；
The bottom of described orifice plate case is provided with coarse fodder row's mouth, and is provided with coarse fodder helical blade above coarse fodder row's mouth；Described charging elbow
It is provided with charging Pneumatic gate valve.
Further, described equipment for separating liquid from solid includes the liquid sewage pump being located in vacuum tank and liquid sewage pump
Pipeline dredge pump, import and pipeline dredge pump that the one-level cyclone of outlet connection, import are connected with one-level cyclone overflow pipe
The second cyclone of outlet connection, vibratory sieve；Described vibratory sieve is located at the lower section of one-level cyclone and second cyclone；Described shake
Dynamic sieve is connected with vertical helical machine, and the outlet of vertical helical machine is connected with storaging bucket.
Further, sewage circulation unit includes foul water tank, and the delivery port of described foul water tank connects return pipe, described backwater
Pipe is passed through the upstream well of municipal pipeline.
Further, the delivery port of foul water tank is additionally provided with high pressure slurry pump, and the delivery port of high pressure slurry pump is provided with two pipes
Road, a pipeline is connected with the shower nozzle of robot casing front end, and another pipeline connects little tube rolling device；Described second cyclone
Overflow pipe is connected with foul water tank.
Intelligent desilting dredging vehicle of the present invention adapt to multiple silt situation up, beaten using pipe robot spread and milling become silted up
Mud is simultaneously scraped cause inspection shaft, and pipe robot has the functions such as walking, milling mud, high pressure washing and scraping delivery mud, and carries
Shooting range positioning system, can effectively check the particular location of the situation in pipeline and real-time monitoring pipe robot and can look into
See condition of construction, the setting for construction parameter and later stage pipeline rehabilitation provide foundation.Vacuum sewage sucking system and solid-liquid separation system
Organically combine, realize continuous work and mud scene separates, effectively raise efficiency of construction.The solid sludge isolated is by depositing
Hopper is kept in wait to load and unload, the sewage part supply high-pressure washing system processing, and unnecessary then row understands sewer pipe, rationally
Using water resource, reduce secondary pollution.
Brief description
Fig. 1 is the systematic schematic diagram of desilting dredging vehicle of the present invention；
Fig. 2 is the construction schematic diagram of desilting dredging vehicle of the present invention；
Fig. 3 is the structural front view of desilting dredging vehicle of the present invention；
Fig. 4 is the structure top view of desilting dredging vehicle of the present invention；
Fig. 5 is the structural front view of pipe robot of the present invention；
Fig. 6 is the structural side view of pipe robot of the present invention；
Fig. 7 is the structure upward view of pipe robot of the present invention；
Fig. 8 is the structural representation of the lifting body of pipe robot of the present invention；
Fig. 9 is the structural representation of vacuum tank of the present invention.
Specific embodiment
As shown in Figure 1 and Figure 2, the overall plan of the present invention is, pipe robot advance milling mud, or high pressure washing
Mud, during retrogressing by the mud scraping delivery in horizontal pipe in the inspection shaft of downstream.Mud suction is caused true by way of vacuum soil pick-up
Slack tank 6, then mud mixture is discharged to by solid-liquid separation system by liquid sewage pump 13 carries out separation of solid and liquid, the solid after separating
Kept in by storaging bucket 19 to wait to load and unload, the sewage part supply high-pressure washing system processing, unnecessary then row understands downcomer
Road.
As shown in Figure 3, Figure 4, a kind of municipal pipeline desilting dredging vehicle, including automobile chassis 1 and be arranged on automobile chassis 1
Subframe 2, also include:
Pipe robot, for being broken up to the dirt in municipal pipeline and being cleared up；
Sewage suction device, is arranged on subframe 2, for the dirt broken up in suction channel；
Equipment for separating liquid from solid, is arranged on subframe 2, carries out separation of solid and liquid to the dirt of sewage suction device suction；
Sewage recycling device, the Sewage treatment after equipment for separating liquid from solid is separated utilizes.
As shown in Fig. 5, Fig. 6, Fig. 7, pipe robot include robot casing 52, two of robot casing 52 lower section put down
The traveling crawler 48 of row, the milling head 55 that can rotate around own axes of robot casing 48 front end, robot casing front end
Shower nozzle 54, the scraper plate 57 of robot box back, the top of scraper plate 57 is hinged with robot casing 52, and in robot casing 52
Lower section be provided with adjustment scraper plate 57 position scrape board positioning mechanism, two traveling crawlers 48 can forward and backwards, realize pipeline machine
People advances and retreats and requires,；Described milling head 55 is arranged in milling swing arm 56, and bearing pin and robot case are passed through in milling swing arm 56
Body 52 connects, and is provided with the milling swing arm rotating mechanism controlling milling swing arm 56 rotation, milling swing arm in robot casing 52
Rotating mechanism includes hydraulic motor and reduction gearing, by fluid motor-driven reduction gearing, and then around robot casing 52 axle
360 degree of rotations of line.
Water under high pressure spreads mud by being arranged on two anterior shower nozzles 54 of pipe robot and spraying and beat.Fluid motor-driven
Milling head 55 be installed on milling swing arm 56, milling swing arm 56 passes through hydraulic motor and The gear deceleration around pipe robot axis
360 degree of rotations, and drive first of milling 55 rotation (milling head 55 can rotation milling, milling of again revolving round the sun).Milling and beating
The mud spreading reaches pipe robot bottom by milling head 55 cone, is that mud scraping delivery is ready.After milling certain distance,
Reversion running motor, carries out mud scraping delivery.
The front end of robot casing 52 is provided with camera 47, and the situation in energy real-time Transmission pipeline is that operator provides foundation
Adjustment arrangement and method for construction in time.
Scrape board positioning mechanism and include being located at scraper plate location-plate 58 in front of scraper plate, expansion link and scraping that scraper plate location-plate is connected
Plate positional cylinder 59.When pipe robot retreats, the scraper plate 57 being articulated with robot casing is in gravity and mud reaction force
Promotion under, be close to scraper plate location-plate 58, realize scraping mud.In case of scrape mud resistance big when, release scraper plate positional cylinder 59 make scrape
Mud at plate 57 is moved along, then returns to suitable position to guarantee to scrape the system pressure that mud is within setting.
As shown in figure 8, robot casing 52 top is provided with the power transmission crawler belt 49 parallel with traveling crawler 48, described power transmission is carried out
Band 49 is passed through lifting body and is connected with robot casing 52；Described lifting body includes scissor arms 51 and power transmission oil cylinder 53, described
The top of scissor arms 51 is connected with power transmission crawler belt 49, and the bottom of scissor arms 51 is connected with power transmission oil cylinder 53.By power transmission oil cylinder 53
Control the height of power transmission crawler belt 49 lifting so as to be close to pipeline arm to ensure the requirement of the frictional force and different tube diameters walked.Pass
Power cylinder 53 carries pressure sensor, by the pulling force of set pressure control cylinder so that power transmission crawler belt 49 passes to pipe in real time
The suitable pressure of pipeline robot.
Traveling crawler 48 is by fluid motor-driven, and is connected with robot casing 52 bottom by buffer beam 50；Decoupling rod
50 can absorb a part of obstacle.
Power transmission crawler belt 49 makes it be close to pipeline top by force oil cylinder pushing scissor arms 51, and passes to pipe machine in real time
The walking frictional force that device people needs.When running into obstacle, force oil cylinder automatically adjusts, to guarantee pipe robot safety.Pipe machine
Device people carries underwater camera, and the situation in energy real-time Transmission pipeline provides for operator and adjusts arrangement and method for construction according to timely.Pipe
Pipeline robot is beaten and is spread the mode of mud and have two kinds, a kind of be using pipe robot before the high pressure that ejects of high-pressure nozzle 54
Current are beaten and are spread more soft mud, and another kind is hardened using milling head 55 milling or caking mud.Milling swing arm 56 is around pipe
While the rotation of pipeline robot axis, milling head rotates the mode milling mud of simultaneously milling around own axes.According to the tool in pipeline
Body situation determines the working method of walking and milling.Milling head 55 carries the conical surface, and the mud being milled reaches pipeline machine along the conical surface
Below people's traveling crawler 48, when reaching a certain amount, pipe robot is walked backward and is carried out scraping mud.Scraper plate 57 is articulated with pipe
After pipeline robot, unnecessary resistance will not be brought to walking when pipe robot advances, when retreating then in self gravitation
And in the presence of the tangential component of mud, it is close to scraper plate location-plate 58, realize scraping mud.Scraper plate location-plate 58 is by scraper plate positional cylinder
59 controls, when retreating walking resistance and being big, release scraper plate location-plate 58 and drive the certain angle of scraper plate upset, at scraper plate 57
Mud give forward, then return location-plate and walk on.Scrape and cause the mud in inspection shaft to be aspirated by vacuum dirt sucking tube 9.
Sewage suction device include vavuum pump 3, vacuum tank 6, in pipeline aspirate dirt dirt sucking tube 9, dirt sucking tube 9 is from downstream
Well 68 is passed through the dirts such as sucking sludge, and vacuum tank 6 top is provided with the charging elbow 10 leading within vacuum tank 6, described suction
Dirty pipe 9 is connected with charging elbow 10.
As shown in figure 9, being provided with outer wall orifice plate case 65 with holes in vacuum tank 6, described charging elbow 10 bottom access apertures
In plate case 65；The bottom of described orifice plate case 65 is provided with coarse fodder row's mouth, and is provided with coarse fodder helical blade 12 above coarse fodder row's mouth.
Charging elbow 10 is provided with charging Pneumatic gate valve 64.
The liquid sewage pump 13 that equipment for separating liquid from solid includes being located in vacuum tank 6 is connected with liquid sewage pump 13 outlet
One-level cyclone 14, import the pipeline dredge pump 16, import and the pipeline blowdown that are connected with one-level cyclone 14 overflow pipe pumped out
The second cyclone 17 of mouth connection, vibratory sieve 15；Described vibratory sieve 15 is located under one-level cyclone 14 and second cyclone 17
Side；Described vibratory sieve 15 is connected with vertical helical machine 18, and the outlet of vertical helical machine 18 is connected with storaging bucket 19；Second cyclone
17 overflow pipe is connected with foul water tank 66.
The Full-power takeoff that chassis 1 carries be connected with gearbox 07 by Hooks coupling universal coupling and by power pass through electromagnetism from
Clutch passes to small belt pulley 8, drives water-ring vacuum pump 3 by belt 9, and electromagnetic clutch controls vavuum pump 3 start and stop.Water ring
Vavuum pump 03 air inlet 5 connects vacuum tank 6, opens vavuum pump and vacuum tank 06 is evacuated, and opens feeding gas when reaching certain pressure
Dynamic gate valve 64 can start soil pick-up.
Dirt sucking tube 09 is connected with charging elbow 10, and mud passes through dirt sucking tube 9, charging elbow 10 and charging Pneumatic gate valve 66 and arrives
Reach vacuum tank 6.Vacuum tank built-in orifice plate case 65, is trapped within orifice plate case 65 compared with coarse granule, when needing outer row, opens discharging gas
Dynamic gate valve 11 is rotated by fluid motor-driven coarse fodder helical blade 12 to be extruded material.It is thin that thinner particle passes through orifice plate case 65
Hole reaches in tank, is installed in vacuum tank by the liquid sewage pump 13 of fluid motor-driven, and outlet connects one-level cyclone 14 and enters
Mouthful, in the presence of liquid sewage pump 13, mud mixture tangentially enters in one-level cyclone 14, and coarse granule is arranged from underflow opening
Go out to vibratory sieve 15.One-level cyclone overfall adapter road dredge pump 16 import, booster pump outlet connects second cyclone 17 import,
Mud mixture separates further, and solid particle reaches vibratory sieve 15 through underflow, and overflow water reaches foul water tank 66.Solid particle exists
Continue dehydration under the dither of vibratory sieve 15, required with reaching outward transport and landfill.Solid particle after vibratory sieve dehydration is through vertical
Formula screw machine 18 is transported to village's hopper 19 and keeps in.Storaging bucket can be released and overturn, easy-unloading and entrucking.
Sewage recycling device includes foul water tank 66, and the delivery port of foul water tank 66 connects return pipe 69, described return pipe
The 69 upstream wells 67 being passed through municipal pipeline.
The delivery port of foul water tank is additionally provided with high pressure slurry pump 20, and the delivery port of high pressure slurry pump is provided with two pipelines, one
Pipeline is connected with the shower nozzle 54 of robot casing 52 front end, and another pipeline connects little tube rolling device 22.
Backwater flush pipe is used for the upstream well of inspection shaft, enters horizontal high voltage backwash to the pipeline of pipe with small pipe diameter using little tube rolling device；
Article two, pipeline all achieves the recycling of waste water.
Sewage suction device adopts water-ring vacuum pump, and its rate of air sucked in required is big to effectively improve soil pick-up depth and effect.By suction pipe 9
Mud is sucked in vacuum tank 6, the orifice plate case 65 in vacuum tank 6 makes larger particles be retained by orifice plate case 65, a certain amount of when reaching
Discharged by helical blade afterwards, less particle and mud mixture reach vacuum tank 6.By liquid sewage pump by vacuum tank 6
Mud mixture is discharged to equipment for separating liquid from solid.Equipment for separating liquid from solid is become with primary vibration screen banks by two-stage cyclones.Cyclone is dense
Enter vibratory sieve 15 after contracting, sloughed the moisture in mud by vibratory sieve 15 dither further, the solid sludge after process by
Storaging bucket 19 is kept in, row or supply high pressure slurry pump outside liquid sewage.This system has that treating capacity is big, operating cost is low, throws
Enter equipment few and can and vacuum sewage sucking system work simultaneously and reach the purpose of continuous work, effectively raise efficiency of construction.
The side power takeoff that chassis carries provides power for hydraulic system 60.Electric cabinet 61 and control panel 46 provide system control
System and program setting.The blower fan 62 being installed on vacuum tank 6 is aerated for sewer pipe, is installed on the purging system of vacuum tank 6
63 provide the equipment cleaning after the completion of operation.
Claims (10)
1. a kind of municipal pipeline desilting dredging vehicle, including automobile chassis (1) and be arranged on subframe (2) on automobile chassis (1),
It is characterized in that, also include:
Pipe robot, for being broken up to the dirt in municipal pipeline and being cleared up；
Sewage suction device, is arranged on subframe (2), for the dirt broken up in suction channel；
Equipment for separating liquid from solid, is arranged on subframe (2), carries out separation of solid and liquid to the dirt of sewage suction device suction；
Sewage recycling device, the Sewage treatment after equipment for separating liquid from solid is separated utilizes.
2. municipal pipeline desilting dredging vehicle according to claim 1, is characterized in that, described pipe robot includes robot case
Two parallel traveling crawlers (48) below body (52), robot casing (52), robot casing (48) front end can around from
The milling head (55) of body axis rotation, the shower nozzle (54) of robot casing front end, the scraper plate (57) of robot box back, scraper plate
(57) top is hinged with robot casing (52), and is provided with adjustment scraper plate (57) position in the lower section of robot casing (52)
Scrape board positioning mechanism；Described milling head (55) is arranged in milling swing arm (56), and bearing pin and robot are passed through in milling swing arm (56)
Casing (52) connects, and is provided with the milling swing arm rotating mechanism controlling milling swing arm (56) to rotate in robot casing (52)；
The front end of described robot casing (52) is provided with camera (47).
3. municipal pipeline desilting dredging vehicle according to claim 2, is characterized in that, described scrape board positioning mechanism and include being located at scrape
The scraper plate positional cylinder (59) that scraper plate location-plate (58) in front of plate, expansion link are connected with scraper plate location-plate.
4. municipal pipeline desilting dredging vehicle according to claim 2, is characterized in that, robot casing (52) top is provided with and row
Walk the parallel power transmission crawler belt (49) of crawler belt (48), described power transmission crawler belt (49) passes through lifting body with robot casing (52) even
Connect；Described lifting body includes scissor arms (51) and power transmission oil cylinder (53), the top of described scissor arms (51) and power transmission crawler belt
(49) connect, the bottom of scissor arms (51) is connected with power transmission oil cylinder (53).
5. municipal pipeline desilting dredging vehicle according to claim 2, is characterized in that, described traveling crawler (48) is by hydraulic motor
Drive, and be connected with robot casing (52) bottom by buffer beam (50).
6. municipal pipeline desilting dredging vehicle according to claim 1, is characterized in that, described sewage suction device include vavuum pump (3),
Vacuum tank (6), in pipeline aspirate dirt dirt sucking tube (9), described vacuum tank (6) top is provided with leads to vacuum tank
(6) internal charging elbow (10), described dirt sucking tube (9) is connected with charging elbow (10).
7. municipal pipeline desilting dredging vehicle according to claim 6, is characterized in that, be provided with outer wall in described vacuum tank (6)
Orifice plate case (65) with holes, described charging elbow (10) bottom is passed through in orifice plate case (65)；The bottom of described orifice plate case (65) sets
There is coarse fodder row's mouth, and be provided with coarse fodder helical blade (12) above coarse fodder row's mouth；It is pneumatic that charging elbow (10) is provided with charging
Gate valve (64).
8. municipal pipeline desilting dredging vehicle according to claim 2, is characterized in that, described equipment for separating liquid from solid includes being located at true
Liquid sewage pump (13) in slack tank body (6) exports the one-level cyclone (14) being connected, import and with liquid sewage pump (13)
The second cyclone that the pipeline dredge pump (16) of level cyclone (14) overflow pipe connection, import are connected with pipeline blowdown pump discharge
(17), vibratory sieve (15)；Described vibratory sieve (15) is located at the lower section of one-level cyclone (14) and second cyclone (17)；Described shake
Dynamic sieve (15) is connected with vertical helical machine (18), and the outlet of vertical helical machine (18) is connected with storaging bucket (19).
9. municipal pipeline desilting dredging vehicle according to claim 8, is characterized in that, described sewage circulation unit includes foul water tank
(66), the delivery port of described foul water tank (66) connects return pipe (69), and described return pipe (69) is passed through the upstream well of municipal pipeline.
10. municipal pipeline desilting dredging vehicle according to claim 9, is characterized in that, the delivery port of described foul water tank is additionally provided with
High pressure slurry pump (20), the delivery port of high pressure slurry pump is provided with two pipelines, a pipeline and robot casing (52) front end
Shower nozzle (54) connects, and another pipeline connects little tube rolling device；The overflow pipe of described second cyclone (17) is with foul water tank (66) even
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960805.XA CN106337494B (en) | 2016-11-04 | 2016-11-04 | A kind of municipal pipeline dredging dredging vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960805.XA CN106337494B (en) | 2016-11-04 | 2016-11-04 | A kind of municipal pipeline dredging dredging vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106337494A true CN106337494A (en) | 2017-01-18 |
| CN106337494B CN106337494B (en) | 2019-04-26 |
Family
ID=57841631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610960805.XA Expired - Fee Related CN106337494B (en) | 2016-11-04 | 2016-11-04 | A kind of municipal pipeline dredging dredging vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN106337494B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680790A (en) * | 2018-12-11 | 2019-04-26 | 上海市基础工程集团有限公司 | Dredging Construction method is dredged in the non-cutout of large-scale pipeline |
| CN109723138A (en) * | 2019-01-04 | 2019-05-07 | 四川荣晨建设工程有限公司 | A kind of municipal pipeline cleaning equipment |
| CN112695882A (en) * | 2020-12-16 | 2021-04-23 | 江苏徐工工程机械研究院有限公司 | Sewage circulating device and dredging vehicle |
| CN112709317A (en) * | 2020-12-18 | 2021-04-27 | 马鞍山睿诚科技信息咨询有限公司 | Municipal administration blowdown straight tube way desilting pull throughs |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680790A (en) * | 2018-12-11 | 2019-04-26 | 上海市基础工程集团有限公司 | Dredging Construction method is dredged in the non-cutout of large-scale pipeline |
| CN109723138A (en) * | 2019-01-04 | 2019-05-07 | 四川荣晨建设工程有限公司 | A kind of municipal pipeline cleaning equipment |
| CN109723138B (en) * | 2019-01-04 | 2021-05-11 | 江苏三谦生态环境有限公司 | Municipal administration pipeline cleaning equipment |
| CN112695882A (en) * | 2020-12-16 | 2021-04-23 | 江苏徐工工程机械研究院有限公司 | Sewage circulating device and dredging vehicle |
| CN112709317A (en) * | 2020-12-18 | 2021-04-27 | 马鞍山睿诚科技信息咨询有限公司 | Municipal administration blowdown straight tube way desilting pull throughs |
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| CN106337494B (en) | 2019-04-26 |
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