CN1614291A - Damaged pipeline repairing apparatus and method thereof - Google Patents

Damaged pipeline repairing apparatus and method thereof Download PDF

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Publication number
CN1614291A
CN1614291A CN 200410052175 CN200410052175A CN1614291A CN 1614291 A CN1614291 A CN 1614291A CN 200410052175 CN200410052175 CN 200410052175 CN 200410052175 A CN200410052175 A CN 200410052175A CN 1614291 A CN1614291 A CN 1614291A
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CN
China
Prior art keywords
pipeline
annular resilient
lining
pipe
resilient device
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Application number
CN 200410052175
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Chinese (zh)
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CN100335836C (en
Inventor
左满伦
陈国南
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Guangdong Liansu Technology Industrial Co Ltd
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Guangdong Liansu Technology Industrial Co Ltd
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Priority to CNB2004100521753A priority Critical patent/CN100335836C/en
Publication of CN1614291A publication Critical patent/CN1614291A/en
Application granted granted Critical
Publication of CN100335836C publication Critical patent/CN100335836C/en
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Abstract

A device for the emergency repairing of damaged pipeline is composed of steel-plastic lniing sleeve put ni the ends of the damaged pipe and new pipe to make its external surface matched with their inner surfaces, the elastic ring sleeving on the contact position of said both pipes, and protecting unit sleeving on the external surface of said elastic ring.

Description

Be used to repair the pipeline rehabilitation device and the restorative procedure thereof of damaged pipe
Technical field
The invention belongs to pipe rehabilitation technology, particularly relate to a kind of pipeline rehabilitation device and pipe repairing method.
Technical background
Be used for draining, pipelines such as protection cable etc. use of a specified duration can be aging and part occurs and damage phenomenon; electric smelting saddle type is repaired, connection, the quick interconnection technique of flange etc. are overlapped in electric smelting and present restorative procedure has; these technology all are to utilize the good welds of PE material, adopt the form of homogeneity sweat soldering to repair.The welding interface that this kind mode requires must be clean.What but the cracking of normal conditions water supply water pipe or seepage required is quick repairing, is difficult to could weld behind the pipeline bone dry by the time.Need special-purpose welding equipment during construction, therefore must draw when construction and establish electric wiring, and need certain installing space when mounted, these generally are difficult to be met in actual repairing process.
Mainly contain two kinds of first-aid repair machines now at the PVC repairing, a kind of is flanged quick repairing joint, and another is the repairing joint of Hough formula, flanged repairing joint manufacture cost height, and need axially tight a bolt during owing to installation, so mounting hardness is also bigger; The first-aid repair machine of Hough formula, simple structure, it is also convenient to install, but the sealing reliability of Hough rubber ring is lower, occurs seepage easily, and generally be the pipeline rehabilitation device of Φ below 300.
Chinese patent application number provides a kind of PE seamless lining repairing pipe for 02150065.7 patent of invention, the seamless lining repairing pipe that this patent of invention provides is rounded when extruding, cross section, folding vertically back becomes C type shape, reduce to repair the cross-section area of pipe, make to repair to manage to insert easily to be repaired in the pipe.PE seamless lining repairing pipe utilizes the PE material to have the characteristics of memory after inserting and being repaired pipe; Employing pours into water vapor heating makes it revert to initial circular cross-section state, is lining in to be repaired in the pipe, it is close to be repaired inner tube wall, repair the purpose that is repaired pipe thereby reach by pouring into the high-pressure air cooling then.Though this invention is the damage part of pipe-repairing efficiently to a certain extent, but need pour into the water vapor heating makes it revert to initial circular cross-section state, also will pour into high-pressure air cooling is close to it to be repaired inner tube wall, so equipment and environmental conditions to construction have dependence, and be difficult to only repair at less damage part, the situation that only suitable pipe-repairing many places are damaged has narrow limitation.
Chinese patent application number provides a kind of stainless steel lining pipe restorative procedure and pipe-repairing structure of old pipeline of local excavation for 02123519.8 patent of invention, this technology mainly comprises: when the outside dimension of stainless steel lining pipe equals or is approximately equal to the internal diameter size of old pipeline, the stainless steel lining pipe is wanted undergauge and the footpath of expanding, first kind of pipe-repairing structure is the inner stainless steel lining pipe that is, the stainless steel short circuit head is being welded at its two ends, the outside is old pipeline, is binder between two pipes; When the outside dimension of stainless steel lining pipe during less than the internal diameter size of old pipeline, second kind of pipe-repairing structure is the inner stainless steel lining pipe that is, the outside is old pipeline, is equidistant card, binder and bulking agent between two pipes.Though this patented technology can realize the part reparation of pipeline, but one because the stainless steel lining pipe is wanted undergauge and the footpath of expanding, so it is comparatively complicated, and be connected with filling machine by Bond between pipeline and the stainless steel lining pipe, be difficult to solve PE, PP pipeline because of the creep problem causes connecting problems such as loose, influenced the effect of permanent use.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of novel being used to fast to repair the pipeline rehabilitation device of damaged pipe.
Another object of the present invention is to provide a kind of is not very serious pipe repairing method at the pipeline extent of damage.
It is a kind of at the comparatively serious pipe repairing method of the pipeline extent of damage that another purpose of the present invention is to provide.
The technical solution used in the present invention is as follows:
A kind of pipeline rehabilitation device; at least form by two linings, an annular resilient device and a protective gear; described lining lays respectively in the port of two pipelines; described annular resilient device is nested with on the port outer surface that is built-in with lining and alignment connection of two pipelines, and described protective gear then is placed on the outer surface of annular resilient device.
Pipeline rehabilitation device provided by the invention also is provided with the locking framework that is used to lock the ring-type elastic device.
The annular resilient device of pipeline rehabilitation device can adopt rubber sleeve.And locking framework preferentially adopts the drawstring structure, and the two ends of described drawstring locking rubber sleeve make rubber sleeve not only tightly entangle to wait the joint of rushing to repair pipeline and new pipeline, and it is less to occupy the space in the pipe outside, and suitable protective gear entangles its outer surface.
The internal surface of described protective gear matches with the outer diameter tube that puts rubber ring, two blocks of Hough plates that preferentially adopt structure to coincide mutually, and every block of Hough plate entangles half of rubber sleeve, and in the surface of contact screw locking of two blocks of Hough plates.
Pipeline rehabilitation device provided by the invention, its lining adopts corrosion protection, and robust material makes, and preferentially adopts steel to mould lining, moulds the using effect of lining in order to increase steel, can also add that stainless stirrup is as auxiliary lining.
It is not very serious pipe repairing method at the pipeline extent of damage that the present invention also provides a kind of, is divided into following steps:
(1), the impaired part of pipeline is cut off;
(2), in two ports of pipeline cut-off part, put steel respectively into and mould lining;
(3), the alignment pipeline two ports, and two ports the contact joint put the annular resilient device;
(4), with the locking of the two ends of annular resilient device, form a Seal cage;
(5), the outer surface at the annular resilient device puts protective gear.
Utilize this pipe repairing method, described pipeline rehabilitation device comprises two linings, an annular resilient device and a protective gear.
It is a kind of at the comparatively serious pipe repairing method of the pipeline extent of damage that the present invention also provides, and is divided into following steps:
(1), the impaired part of pipeline is cut off;
(2), in the port of pipeline cut-off part, put steel into and mould lining;
(3), also put steel in two ports of the new pipeline of a moderate length and mould lining;
(4), the port of alignment damaged pipe and new pipeline, and put the annular resilient device at the jointing of two pipes;
(5), with the locking of the two ends of annular resilient device, form a Seal cage;
(6), the outer surface at the annular resilient device puts protective gear.
Utilize this pipe repairing method, described pipeline rehabilitation device comprises four linings, two annular resilient devices and two protective gears.
Two kinds of pipe first-aid methods provided by the present invention; can add that stainless stirrup makees auxiliary lining at the stainless steel lining where necessary; then the annular resilient device is enclosed within the middle part at new and old interface tube place; lock with locking framework at two ends at the annular resilient device; form a Seal cage; outer surface at the annular resilient device puts protective gear then, prevents that the annular resilient device is subjected to hydraulic pressure and squeezes broken.The present invention connects new and old pipeline by the stainless steel lining, carry out the sealing and fixing of pipeline again by annular resilient device and locking device, and protective gear is used to protect the ring-type elastic device, thereby the impaired part of pipeline is conveniently repaired.
Two kinds of pipe repairing methods provided by the invention can be used in combination, if a pipeline has many places impaired, can select for use a kind of of these two kinds of restorative procedures to repair respectively according to impaired degree everywhere.
The present invention has following advantage:
1, pipeline rehabilitation device of the present invention forms Seal cage by drawstring locking rubber sleeve, and the Hough plate is used to prevent that rubber sleeve is subjected to hydraulic pressure and squeeze broken.The first-aid repair machine of this kind structure, the locking of the rubber sleeve of complete ring-type and two ends drawstring can well guarantee the sealing of first-aid repair machine, two blocks of Hough plates then play the effect of opposing hydraulic pressure, have guaranteed the safety of rubber sleeve and drawstring.And because the Hough plate is not to be used for guaranteeing sealing effect, so its accuracy of manufacturing requires to reduce, and with there being the seam steel half-and-half to cut open, welding is gone up the dull and stereotyped and stiffening rib of locking and got final product then, makes the manufacture cost reduction;
2, steel is moulded the use of lining, effectively prevent from the pipe deforming that PE, PP material creep cause and produce to leak, and has solved PE, PP pipeline can't use mechanical connection because of the creep problem problem;
3, less demanding to the drying property and the spatter property of pipeline, can when cutting off the water soon or having less water pressure, just can repairing be installed at once, help the fast quick-recovery normal water supply of pipeline;
4, do not need too big excavation works, help saving the repairing time and save the repairing expense;
5, the equipment of Shi Yonging is simple, need not power by electric wiring;
6, sealing and repairing reliability height.
Description of drawings
Fig. 1 is the structure sectional view of pipeline rehabilitation device of the present invention;
Fig. 2 is an axonometric drawing of the present invention;
Fig. 3 is an external structure schematic representation of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
The structure sectional view of present embodiment is made up of burst pipe 1, replacement pipeline 2, stirrup 3, rubber sleeve 4, stainless steel drawstring 5, Hough plate 6 as shown in Figure 1.
The pipe first-aid method is:
Two sections are cut in the place to be repaired of burst pipe 1;
Stirrup 3 is put into the port of burst pipe 1 and replacement pipeline 2 respectively;
Alignment burst pipe 1 and replace the port of pipeline 2, and put rubber sleeve 4 at the jointing of two pipes;
The two ends of rubber sleeve 4 are locked with stainless steel drawstring 5, form a Seal cage;
Outer surface at rubber sleeve 4 puts two Hough plates 6 up and down, locks with screw in the joint of Hough plate 6.
Adopt pipeline rehabilitation device provided by the invention and pipe first-aid method to repair structural drawing behind the broken pipe shown in accompanying drawing 2, accompanying drawing 3, pipeline rehabilitation device of the present invention forms Seal cages by stainless steel drawstring 5 locking rubber sleeves 4, and Hough plate 6 is used to prevent that rubber sleeve 4 is subjected to hydraulic pressure and squeeze broken.The first-aid repair machine of this kind structure, the locking of the rubber sleeve 4 of complete ring-type and two ends stainless steel drawstring 5 can well guarantee the sealing of first-aid repair machine, two blocks of Hough plates 6 then play the effect of opposing hydraulic pressure, have guaranteed the safety of rubber sleeve 4 and stainless steel drawstring 5.And because Hough plate 6 is not to be used for guaranteeing sealing effect, so its accuracy of manufacturing requires to reduce, and with there being the seam steel half-and-half to cut open, welding is gone up the dull and stereotyped and stiffening rib of locking and got final product then, during use by screw lock 6 of two blocks of Hough plates can, make the manufacture cost reduction;
And the present invention adopts stirrup 3, effectively prevent from the pipe deforming that PE, PP material creep cause and produce to leak, and has solved PE, PP pipeline can't use mechanical connection because of the creep problem problem.

Claims (10)

1, a kind of pipeline rehabilitation device that is used to repair damaged pipe; it is characterized in that comprising at least two linings, an annular resilient device and a protective gear; described lining lays respectively in the port of two pipelines; described annular resilient device is nested with on the port outer surface that is built-in with lining and alignment connection of two pipelines, and described protective gear then is placed on the outer surface of annular resilient device.
2, pipeline rehabilitation device according to claim 1 is characterized in that described pipeline rehabilitation device also is provided with the locking framework that is used to lock the ring-type elastic device.
3, pipeline rehabilitation device according to claim 1 and 2 is characterized in that described annular resilient device adopts rubber sleeve.
4, pipeline rehabilitation device according to claim 3 is characterized in that described locking framework adopts the drawstring structure, the two ends of described drawstring locking rubber sleeve.
5, pipeline rehabilitation device according to claim 4 is characterized in that described lining can also add that stirrup is as auxiliary lining.
6, pipeline rehabilitation device according to claim 5 is characterized in that the outer surface of described lining and pipe end internal diameter match.
7, pipeline rehabilitation device according to claim 6 is characterized in that the Hough plate that described protective gear adopts two block structures to coincide, and every block of Hough plate entangles half of rubber sleeve, and in the surface of contact screw locking of two blocks of Hough plates.
8, a kind of pipe repairing method that uses the described pipeline rehabilitation device of claim 1 is characterized in that being divided into following steps:
(1), the impaired part of pipeline is cut off;
(2), respectively put a lining at the port of pipeline cut-off part;
(3), the port of alignment pipeline, and put the annular resilient device in the contact joint of two ports;
(4), with annular resilient device locking, form a Seal cage;
(5), the outer surface at the annular resilient device puts protective gear.
9, a kind of pipe repairing method that uses the described pipeline rehabilitation device of claim 1 is characterized in that being divided into following steps:
(1), the impaired part of pipeline is cut off;
(2), respectively put a lining at the port of pipeline cut-off part;
(3), also put a lining respectively at two ports of the new pipeline of a moderate length;
(4), the port of the new and old pipeline of alignment, and put the annular resilient device in the contact joint of two ports;
(5), with annular resilient device locking, form a Seal cage;
(6), the outer surface at the annular resilient device puts protective gear.
10, according to Claim 8 or 9 described pipe first-aid methods, it is characterized in that described annular resilient device is nested with at the middle part of pipe end joint, lock with drawstring at its two ends.
CNB2004100521753A 2004-11-12 2004-11-12 Damaged pipeline repairing apparatus and method thereof Active CN100335836C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100521753A CN100335836C (en) 2004-11-12 2004-11-12 Damaged pipeline repairing apparatus and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100521753A CN100335836C (en) 2004-11-12 2004-11-12 Damaged pipeline repairing apparatus and method thereof

Publications (2)

Publication Number Publication Date
CN1614291A true CN1614291A (en) 2005-05-11
CN100335836C CN100335836C (en) 2007-09-05

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858473A (en) * 2010-02-11 2010-10-13 广东联塑科技实业有限公司 Rapid connection method for repairing damaged pipe
CN101886723B (en) * 2009-05-11 2013-03-27 米丽波尔公司 Sealing means, kit and method for sealing of hollow hoses of flexible material
CN103216704A (en) * 2013-04-22 2013-07-24 中国建筑第七工程局有限公司 Existing pipeline repairing method
CN103586624A (en) * 2013-11-01 2014-02-19 哈尔滨汽轮机厂有限责任公司 After-sale repairing method for pipes
CN103629474A (en) * 2012-08-21 2014-03-12 五冶集团上海有限公司 Connection aqueduct used for repairing damaged cast iron firefighting pipe and repairing method thereof
CN105864557A (en) * 2016-06-12 2016-08-17 中铁四局集团有限公司 Water-carrying pipeline connection structure
CN110701425A (en) * 2019-09-12 2020-01-17 上海井园市政工程有限公司 Non-excavation type pipeline repairing method
CN111895187A (en) * 2020-06-11 2020-11-06 南通鑫拓封头制造有限公司 Novel self-repairing corrugated pipe
CN112696556A (en) * 2020-12-14 2021-04-23 中国地震局工程力学研究所 On-spot maintenance pipeline attach fitting

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2073525U (en) * 1988-02-04 1991-03-20 石油管道工程公司 Locking device of wedge type
CN2295898Y (en) * 1996-11-25 1998-10-28 舒立济 Apparatus for repairing broken pipe
JP3566659B2 (en) * 2001-02-07 2004-09-15 管水工業株式会社 Cap for reversing pipe lining material and method for reversing pipe lining material
CN1207506C (en) * 2002-06-28 2005-06-22 侯贤忠 Repairing method and repairing pipe structure for partially dug old pipeline with stainless lining
CN1502842A (en) * 2002-11-19 2004-06-09 福建亚通新材料科技股份有限公司 PE seamless lining repairing pipe

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101886723B (en) * 2009-05-11 2013-03-27 米丽波尔公司 Sealing means, kit and method for sealing of hollow hoses of flexible material
CN101858473A (en) * 2010-02-11 2010-10-13 广东联塑科技实业有限公司 Rapid connection method for repairing damaged pipe
CN103629474A (en) * 2012-08-21 2014-03-12 五冶集团上海有限公司 Connection aqueduct used for repairing damaged cast iron firefighting pipe and repairing method thereof
CN103216704A (en) * 2013-04-22 2013-07-24 中国建筑第七工程局有限公司 Existing pipeline repairing method
CN103216704B (en) * 2013-04-22 2016-01-06 中国建筑第七工程局有限公司 Existing pipe repairing method
CN103586624A (en) * 2013-11-01 2014-02-19 哈尔滨汽轮机厂有限责任公司 After-sale repairing method for pipes
CN105864557A (en) * 2016-06-12 2016-08-17 中铁四局集团有限公司 Water-carrying pipeline connection structure
CN105864557B (en) * 2016-06-12 2017-12-19 中铁四局集团有限公司 A kind of band waterpipe docking structure
CN110701425A (en) * 2019-09-12 2020-01-17 上海井园市政工程有限公司 Non-excavation type pipeline repairing method
CN111895187A (en) * 2020-06-11 2020-11-06 南通鑫拓封头制造有限公司 Novel self-repairing corrugated pipe
CN111895187B (en) * 2020-06-11 2021-10-01 南通鑫拓封头制造有限公司 Self-repairing corrugated pipe
CN112696556A (en) * 2020-12-14 2021-04-23 中国地震局工程力学研究所 On-spot maintenance pipeline attach fitting
CN112696556B (en) * 2020-12-14 2022-08-30 中国地震局工程力学研究所 On-spot maintenance pipeline attach fitting

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EE01 Entry into force of recordation of patent licensing contract

Assignee: Liansu Technology Development (Wuhan) Co., Ltd.

Assignor: Liansu Science & Technology Industrial Co., Ltd., Guangdong Prov.

Contract fulfillment period: 2006.11.6 to 2011.11.5 contract change

Contract record no.: 2009440000925

Denomination of invention: Damaged pipeline repairing apparatus and method thereof

Granted publication date: 20070905

License type: Exclusive license

Record date: 2009.8.6

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2006.11.6 TO 2011.11.5; CHANGE OF CONTRACT

Name of requester: L + S TECHNOLOGY DEVELOPMENT( WUHAN ) CO., LTD.

Effective date: 20090806