CN106065981A - Municipal sewer bifurcated pipe prosthetic device and construction method thereof - Google Patents
Municipal sewer bifurcated pipe prosthetic device and construction method thereof Download PDFInfo
- Publication number
- CN106065981A CN106065981A CN201610601218.1A CN201610601218A CN106065981A CN 106065981 A CN106065981 A CN 106065981A CN 201610601218 A CN201610601218 A CN 201610601218A CN 106065981 A CN106065981 A CN 106065981A
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- Prior art keywords
- pipe
- base plate
- tube
- connecting tube
- turbine
- 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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- 238000010276 construction Methods 0.000 title description 9
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 230000003028 elevating effect Effects 0.000 claims abstract description 21
- 238000009785 tube rolling Methods 0.000 claims abstract description 19
- 241000237858 Gastropoda Species 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 5
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
- F16L55/1654—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being inflated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipe Accessories (AREA)
- Sewage (AREA)
Abstract
Municipal sewer bifurcated pipe prosthetic device, it is characterized in that: including that tube rolling device, air compressor one, connecting tube and base plate, described tube rolling device upper plate have thermosetting resin flexible pipe, fixed support is arranged on described substrate, described connecting tube passes fixed support, and its one end is movably installed with elbow；Being also equipped with motor on described base plate, the turbine and worm elevating lever lifted by driven by motor is arranged on base plate, and described turbine and worm elevating lever top is provided with rubber blanket；Being communicated with flexible pipe gas tube edge on described air compressor one and reach the elbow end of connecting tube, the elbow end of described connecting tube is provided with steam pipe, and described steam pipe is connected to above tube rolling device.Compared with prior art, the invention have the advantage that this device sleeve technology excavation is little, repair speed soon, efficiency is high；Meanwhile, not welding, do not affect road traffic and pass through, be suitable for promoting the use of.
Description
Technical field
The invention belongs to municipal works technical field, be specifically related to a kind of municipal sewer bifurcated pipe prosthetic device and execute
Work method.
Background technology
Urban drainage pipe network is the indispensable important infrastructure of modern city, is to have urban economy development entirely
Office property, the basic industry of guiding impact, be water pollution control in urban areas and Urban Waterlogging, the backbone of flood control, is to weigh modernization
The important symbol of city level.At present, in China most cities, the reparation of drainage pipeline is all to use pipe laying again after excavation
Method, along with the progress of urbanization, City Buried Pipeline is intricate, and the load of urban road is increasingly severe so that ground
Substantial amounts of technical problem is there is in underground pipelines during repairing.
Public announcement of a patent application CN103672297A discloses a kind of non-excavating underground pipe line protection device.It can prevent by
The underground piping conquassation that causes in borehole well instability, injure by a crashing object, the accident such as local deformation, it is to avoid reparation, the replacing to underground piping
Or again pass through new pipeline.Its technical scheme is: protection device is made up of underground piping, plugging device, protection pipeline；Buried pipe
Road is through protection pipe interior, and the length of protection pipeline is equal to needing underground piping length to be protected, and the two ends of protection pipeline are pacified
Dress plugging device, the annular space between protection pipeline and underground piping is full of fluid, and the pressure of fluid is less than or equal to underground piping
Interior media pressure；Plugging device is by card tile structure or flange arrangement and y-type seal ring, Pressure gauge, fluid inlet conduit, O type
Sealing ring forms, it is achieved the sealing to annular fluid, and pressure detecting and fluid supplement.
The most perfect along with urban construction, it is provided that a kind of trenchless pipelaying, repair pipe and change after Manifold technology do not affects with it
Traffic, pipelaying rate is fast, efficiency is high, without environmental disruption, the pipe of a series of advantage such as normal work, life of not affecting people
Road restorative procedure is increasingly favored by underground piping Industry regulatory bodies.
Summary of the invention
The shortcoming that the present invention is directed to prior art, it is proposed that a kind of municipal sewer bifurcated pipe prosthetic device and construction party thereof
Method, this device and method simple in construction, easy to operate, it is suitable for promoting the use of.
For realizing the purpose of the present invention, the technical solution used in the present invention is:
Municipal sewer bifurcated pipe prosthetic device, it is characterised in that: include tube rolling device, air compressor one, connecting tube and base plate,
Described tube rolling device upper plate has thermosetting resin flexible pipe, and fixed support is arranged on described substrate, and described connecting tube is through solid
Fixed rack, its one end is movably installed with elbow；It is also equipped with motor, the turbine and worm lifted by driven by motor on described base plate
Elevating lever is arranged on base plate, and described turbine and worm elevating lever top is provided with rubber blanket；Connect on described air compressor one
Having flexible pipe gas tube edge to reach the elbow end of connecting tube, the elbow end of described connecting tube is provided with steam pipe, and described steam pipe is even
It is connected on above tube rolling device, described base plate is provided with photographic head, photographic head connects and has holding wire to connect external monitor, described
Base plate end is provided with baffle plate, and described photographic head side is additionally provided with LED.
Preferentially, described turbine and worm elevating lever quantity is four, and in rectangular layout, transversal stretching device is arranged on turbine
Between worm screw elevating lever.
Preferentially, described transversal stretching device being provided with air bag, air bag connects airbag inflation pipe, air compressor two
It is connected with described airbag inflation pipe.
Preferentially, described fixed support is provided with retainer ring and clasps airbag inflation pipe and flexible pipe gas tube.
Based on said apparatus, the present invention also proposes a kind of sewer bifurcated pipe restorative procedure, it is characterised in that include following
Step:
1) excavate vertical channel at bifurcated pipe side in advance, and make vertical channel connect main sewer pipe；
2) preset measure required repair pipeline length and on tube rolling device, intercept the thermosetting resin flexible pipe of corresponding length, will
Intercept thermosetting resin flexible pipe and arrive elbow end through connecting tube, will turn in thermosetting resin hose end, and turn in place upper
Side draw 4 is fixed on rubber blanket；
3) drive turbine and worm elevating lever and fixed support to advance in main sewer pipe by base plate, make the elbow end of connecting tube
Alignment bifurcated pipe arrival end, monitors main sewer pipe inner case in real time by the photographic head on base plate, and baffle plate blocks foreign material, anti-
Only main sewer pipe has foreign material；
4) start driven by motor turbine and worm elevating lever to rise, 4 tops of thermosetting resin flexible pipe that will be fixed on rubber blanket
At main sewer pipe, now thermosetting resin hose end is fixed；
5) start to blow to air bag qi of chong channel ascending adversely pipe by air compressor two, make airbag inflation block connection tube bend ends；
6) connecting flexible pipe gas tube by air compressor one to start to blow, tube rolling device is constantly defeated to the elbow end of connecting tube simultaneously
Sending thermosetting resin flexible pipe, thermosetting resin flexible pipe is constantly blowed and turns over by gas, makes thermosetting resin flexible pipe be covered with bifurcated pipe
Inwall；
7) steam pipe is connected heating furnace, start steam pipe is carried steam, make to be fitted in the thermosetting tree of bifurcated pipe internal face
Fat flexible pipe solidify to form new pipeline；
8) base plate and connecting tube being removed main sewer pipe, construction completes.
Compared with prior art, the invention have the advantage that this device repaiies Manifold technology excavation little, repair speed soon, efficiency
High；Meanwhile, not welding, do not affect road traffic and pass through, be suitable for promoting the use of.
Accompanying drawing explanation
The most next the accompanying drawing by means of embodiment carries out brief description to the present invention.In accompanying drawing:
Fig. 1 shows that the structure of municipal sewer bifurcated pipe prosthetic device of the present invention arranges schematic diagram；
Fig. 2 shows that Fig. 1's disassembles schematic diagram further；
Fig. 3 shows principle schematic time the present invention constructs.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
Embodiment 1
As it can be seen, municipal sewer bifurcated pipe prosthetic device, including tube rolling device 3, air compressor 1, connecting tube 7 and base plate
61, described tube rolling device 1 upper plate has thermosetting resin flexible pipe 1, fixed support 8 to be arranged on above described base plate 61, described connection
Pipe 7 is through fixed support 8, and its one end is movably installed with elbow.Elbow is arranged on above connecting tube 7 by screw thread rotation, and it can
Movable dismounting, and adjustable-angle, tube rolling device 3 is electronic tube rolling device.
Being also equipped with motor 11 on base plate 61, motor 11 controls motor for PLC, is connected with external power source by circuit group.
Photographic head 21 is installed on described base plate 61, photographic head 21 connects and has holding wire to connect external monitor, pass through exterior monitoring
Device can check that interior construction situation, described base plate 61 end are provided with baffle plate 30 moment, and described photographic head 21 side is additionally provided with LED
Lamp 31, when carrying on construction work at night, can open illumination by LED 31.
The turbine and worm elevating lever 12 being driven lifting by motor 11 is arranged on base plate 61, described turbine and worm elevating lever
12 tops are provided with rubber blanket 16；Flexible pipe gas tube 4 it is communicated with along the elbow reaching connecting tube 7 on described air compressor 1
End, the elbow end of described connecting tube 7 is provided with steam pipe (not shown), and described steam pipe is connected to above tube rolling device 3.
Steam pipe turbine and worm elevating lever 12 quantity is four, and in rectangular layout, transversal stretching device 17 is arranged on turbine
Between worm screw elevating lever 12.Transversal stretching device 17 can laterally drive turbine and worm elevating lever 12 to do lateral displacement, expands turbine
Spacing between worm screw elevating lever 12, so can meet the main sewer pipe of different bore.Install on transversal stretching device 17
Having air bag 15, air bag 15 connects has airbag inflation pipe 6, air compressor 25 to be connected with described airbag inflation pipe 6, and air bag 15 fills
The elbow terminal block of connecting tube 7 can be lived by gas, so when flexible pipe gas tube 4 is blown, can be blocked by air-flow, makes air-flow to dividing
Breeches pipe 10 direction is blown away.Retainer ring 9 is installed on fixed support 8 and clasps airbag inflation pipe 6 and flexible pipe gas tube 4.
Based on said apparatus, the present invention also proposes a kind of sewer bifurcated pipe restorative procedure, it is characterised in that include following
Step:
1) excavating vertical channel at bifurcated pipe 10 side in advance, and make vertical channel connect main sewer pipe, digging diameter exists
600mm-700mm, excavation connects with main sewer pipe, it is simple to device enters；
2) preset measure required repair pipeline length and on tube rolling device 1, intercept the thermosetting resin flexible pipe 1 of corresponding length,
Intercepting thermosetting resin flexible pipe 1 is arrived elbow end through connecting tube 7, will turn on thermosetting resin flexible pipe 1 end, and turn over upper
In place, side draw 4 is fixed on rubber blanket 16；Meanwhile, base plate 61 is pre-installed fixed support 8 and turbine and worm elevating lever 12 and
Motor 11, connecting tube 7 segment section bends, it is simple to connecting tube 7 connects outside (asking emphasis refering to Fig. 1).
3) turbine and worm elevating lever 12 and fixed support 8 is driven to advance in main sewer pipe by base plate 61, base plate 61
Bottom is provided with pulley 20 and can quickly propel, and makes elbow end alignment bifurcated pipe 10 arrival end of connecting tube 7；By on base plate 61
Photographic head 21 monitors main sewer pipe inner case in real time；Baffle plate 30 blocks foreign material, prevents main sewer pipe from having foreign material；
4) starting motor 11 drives turbine and worm elevating lever 12 to rise, the thermosetting resin flexible pipe 1 that will be fixed on rubber blanket 16
4 withstand on main sewer pipe, now fixed (please emphasis refering to Fig. 3) in thermosetting resin flexible pipe 1 end；
5) start to blow by 25 pairs of air bag qi of chong channel ascending adversely pipes 6 of air compressor, make air bag 15 expand and block connecting tube 7 elbow end；
6) connecting flexible pipe gas tube 4 by air compressor 1 to start to blow, tube rolling device 3 is constantly to the elbow of connecting tube 7 simultaneously
End conveying thermosetting resin flexible pipe 1, thermosetting resin flexible pipe 1 is constantly blowed and turns over, makes thermosetting resin flexible pipe 1 be covered with by gas
Bifurcated pipe 10 inwall；
7) steam pipe being connected heating furnace, start steam pipe is carried steam, thermosetting resin flexible pipe 1 heat solidifies automatically, makes
The thermosetting resin flexible pipe 1 being fitted in bifurcated pipe 10 internal face solidify to form new pipeline；
8) equipment and the connecting tube 7 by base plate 61 and being mounted above removes main sewer pipe, and construction completes.
Claims (1)
1. municipal sewer bifurcated pipe prosthetic device, it is characterised in that: include tube rolling device (3), air compressor one (2), connect
Pipe (7) and base plate (61), it is described that described tube rolling device (1) upper plate has thermosetting resin flexible pipe (1), fixed support (8) to be arranged on
Above, described connecting tube (7) passes fixed support (8) to base plate (61), and its one end is movably installed with elbow；On described base plate (61)
It is also equipped with motor (11), is driven by motor (11) the turbine and worm elevating lever (12) of lifting to be arranged on base plate (61), institute
State turbine and worm elevating lever (12) top and rubber blanket (16) is installed；Flexible pipe inflation it is communicated with on described air compressor one (2)
Pipe (4) edge reaches the elbow end of connecting tube (7), and the elbow end of described connecting tube (7) is provided with steam pipe, and described steam pipe connects
At tube rolling device (3) above, described base plate (61) is provided with photographic head (21), outside the upper connection of photographic head (21) has holding wire to connect
Portion's monitor；Described base plate (61) end is provided with baffle plate (30), and described photographic head (21) side is additionally provided with LED (31);Volume
Pipe device 3 is electronic tube rolling device;
Described turbine and worm elevating lever (12) quantity is four, and in rectangular layout, transversal stretching device (17) is arranged on turbine snail
Between bar elevating lever (12);
Being provided with air bag (15) on described transversal stretching device (17), air bag (15) connects airbag inflation pipe (6), and air compresses
Machine two (5) is connected with described airbag inflation pipe (6);
Retainer ring (9) is installed on described fixed support (8) and clasps airbag inflation pipe (6) and flexible pipe gas tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601218.1A CN106065981A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer bifurcated pipe prosthetic device and construction method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459607.0A CN105065845A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer branch pipe repair device and its construction method |
| CN201610601218.1A CN106065981A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer bifurcated pipe prosthetic device and construction method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459607.0A Division CN105065845A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer branch pipe repair device and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106065981A true CN106065981A (en) | 2016-11-02 |
Family
ID=54495291
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601152.6A Pending CN106013396A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer bifurcated pipe repairing device and construction method thereof |
| CN201510459607.0A Pending CN105065845A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer branch pipe repair device and its construction method |
| CN201610601218.1A Pending CN106065981A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer bifurcated pipe prosthetic device and construction method thereof |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601152.6A Pending CN106013396A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer bifurcated pipe repairing device and construction method thereof |
| CN201510459607.0A Pending CN105065845A (en) | 2015-07-31 | 2015-07-31 | Municipal sewer branch pipe repair device and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106013396A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764233A (en) * | 2016-12-22 | 2017-05-31 | 温州煜阳市政园林工程有限公司 | Municipal sewer pipe prosthetic device and its construction method |
| CN107676569A (en) * | 2017-11-13 | 2018-02-09 | 张振海 | The construction method of heat distribution pipeline original position liner reparation |
| CN109038351A (en) * | 2018-07-05 | 2018-12-18 | 国网天津市电力公司 | A kind of cable duct bank prosthetic device |
| CN112050023A (en) * | 2020-07-22 | 2020-12-08 | 上海锋泰建筑设备有限公司 | A device for repairing the inner lining of urban underground pipelines |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287300B (en) * | 2020-03-27 | 2024-12-31 | 上海誉帆环境科技股份有限公司 | Gas overturn repair construction equipment and method |
| CN115875533B (en) * | 2023-03-03 | 2023-05-09 | 济南和立新材料有限公司 | Lining pipe and repairing method thereof |
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| US5816293A (en) * | 1996-03-27 | 1998-10-06 | Kiest, Jr.; Larry W. | Apparatus for installation of a liner within a pipeline |
| JP3221857B2 (en) * | 1998-06-16 | 2001-10-22 | 管水工業株式会社 | Branch pipe lining device |
| US6539979B1 (en) * | 2001-08-10 | 2003-04-01 | Insituform (Netherlands) B.V. | Pressurized bladder canister for installation of cured in place pipe |
| CA2597348C (en) * | 2005-02-09 | 2012-09-04 | Insituform (Netherlands) B.V. | Exhaust and/or condensate port for cured in place liners and installation methods and apparatus |
| CN101634374A (en) * | 2009-08-21 | 2010-01-27 | 管丽环境技术(上海)有限公司 | Underground pipeline excavation-restoration construction method of stage temperature-control field pipe-making |
| US8439605B2 (en) * | 2010-03-09 | 2013-05-14 | Michels Corporation | Apparatus for everting a liner into a pipe and pressure connector for the same |
| US8869839B1 (en) * | 2010-03-25 | 2014-10-28 | Perma-Liner Industries, Llc | Method and device for repairing piping |
| CN101900239B (en) * | 2010-05-26 | 2011-11-02 | 林永志 | Method for repairing drainage pipeline without water supply suspended |
| CN201858482U (en) * | 2010-10-19 | 2011-06-08 | 大庆石油管理局 | Straight-through type hose liner turning device |
| CN102287603A (en) * | 2011-08-11 | 2011-12-21 | 海宁管丽科技新材料有限公司 | Non-excavate inner lining repairing method for repairing lower branch drain of urban road |
| CN102649317A (en) * | 2011-10-21 | 2012-08-29 | 宁克远 | Thermocuring process for CIPP (Cured In Place Pipe) pull-in method lining repair |
| CN103899879B (en) * | 2014-04-16 | 2015-09-30 | 浙江凯胜园林市政建设有限公司 | For repairing device and the restorative procedure thereof of pipe-repairing interface |
| CN104315299A (en) * | 2014-09-15 | 2015-01-28 | 道雨耐节能科技(上海)有限公司 | Non-excavation airbag type pipeline repair device |
| CN204829109U (en) * | 2015-07-31 | 2015-12-02 | 舟山市智海技术开发有限公司 | Municipal administration sewer bifurcated pipe prosthetic devices |
-
2015
- 2015-07-31 CN CN201610601152.6A patent/CN106013396A/en active Pending
- 2015-07-31 CN CN201510459607.0A patent/CN105065845A/en active Pending
- 2015-07-31 CN CN201610601218.1A patent/CN106065981A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764233A (en) * | 2016-12-22 | 2017-05-31 | 温州煜阳市政园林工程有限公司 | Municipal sewer pipe prosthetic device and its construction method |
| CN106764233B (en) * | 2016-12-22 | 2018-10-09 | 温州煜阳市政园林工程有限公司 | Municipal sewer pipe prosthetic device and its construction method |
| CN107676569A (en) * | 2017-11-13 | 2018-02-09 | 张振海 | The construction method of heat distribution pipeline original position liner reparation |
| CN109038351A (en) * | 2018-07-05 | 2018-12-18 | 国网天津市电力公司 | A kind of cable duct bank prosthetic device |
| CN112050023A (en) * | 2020-07-22 | 2020-12-08 | 上海锋泰建筑设备有限公司 | A device for repairing the inner lining of urban underground pipelines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106013396A (en) | 2016-10-12 |
| CN105065845A (en) | 2015-11-18 |
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Application publication date: 20161102 |