CN104727425A - Traction-type non-excavation pipeline repairing method - Google Patents
Traction-type non-excavation pipeline repairing method Download PDFInfo
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- CN104727425A CN104727425A CN201510060809.8A CN201510060809A CN104727425A CN 104727425 A CN104727425 A CN 104727425A CN 201510060809 A CN201510060809 A CN 201510060809A CN 104727425 A CN104727425 A CN 104727425A
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Abstract
The invention provides a traction-type non-excavation pipeline repairing method and relates to a construction device. The construction device comprises a reducing pipe, the inner diameter of the reducing pipe reduces gradually in the axial direction of the reducing pipe, the end, where the minimum inner diameter is located, of the reducing pipe is a reducing outlet end, and the inner diameter of the reducing outlet end is smaller than that of a pipeline needing to be repaired; the method comprises the following specific steps: 1, selecting a PE pipe with the outer diameter larger than that of the pipeline needing to be repaired and the length larger than that of the pipeline needing to be repaired; 2, arranging the construction device adjacent to the inlet end of the pipeline needing to be repaired, placing the PE pipe at a reducing inlet end of the reducing pipe in the construction device, and arranging the PE pipe to be matched with a traction machine; 3, starting the traction machine, and keeping the traction machine pulling the PE pipe to move in the direction of the location of the pipeline needing to be repaired and pass through the reducing pipe and the pipeline needing to be repaired in sequence. By means of the traction-type non-excavation pipeline repairing method, a non-excavation technique is used, the long-distance pipeline needing to be repaired is repaired conveniently and rapidly, meanwhile, the cost of the used technique is low, and the effect is good.
Description
Technical field
The invention belongs to pipe rehabilitation technology field, especially relate to a kind of towed no-dig technique pipe repairing method applied to when long-distance pipe reparation and pipeline large area are damaged.
Background technology
Urban drainage pipe network is the important component part of city basic engineering; the management of urban drainage pipe network is significant to the protection of urban environment, urban construction and economic development; or weigh the important symbol of urban modernization management; simultaneously urban sewerage and drainage pipe duct is also the important leverage facility of Urban Water Pollution Control and drainage waterlogging prevention, but exist at present urban sewerage and drainage pipe duct detect not yet universal, maintenance of equipment falls behind, pipe duct reparation only has a small amount of exploration and the problem of main dependence foreign technology.The exploitation of so urban sewerage and drainage pipe duct maintenance, diagnosis, maintenance technique and equipment is the important support of urban sewerage and drainage safety guarantee, controls and waterlogging prevention for urban pollution resource, strengthens the diagnosis of sewer, maintenance, maintenance work more and more highlight important.
At present, more at the subsoil drain total length about 5.8 ten thousand kilometers that China is on active service more than 20 years, there is the phenomenon such as seepage, corrosion in these old pipelines, will be easy to cause the accidents such as road landslide, pipeline burst once be subject to external disturbance.But China does not also form pipe-line maintenance and the rehabilitation plan of a system at present, is substantially also in a kind of the state for the repair process of accident pipeline section.Compared with developed countries, there is larger gap in water supply and drainage pipeline rehabilitation and the technology of replacing application aspect in China.The non-excavation repairing technique of current China independent development cans be counted on one's fingers, and the case adopting non-excavation repairing technique to carry out water supply and drainage pipeline rehabilitation is also few, and within 2009, China's drainage pipe adopts the length of non-excavation repairing technique only to have 27.92km.For Beijing, 2006 ~ 2007 years, transform last century 50, the drainage that is about 30km the sixties, part have employed the trenchless technologies such as expander, Directional Drilling, liner and constructs, length reaches 8km, and non-excavating construction amount accounts for 27% of total length.And external as the U.S. since two thousand five, trenchless technology is changed at drainage pipe and is reached more than 65% with the application in reparation.
Along with the progress of Chinese Urbanization, urban architecture density and urban road load increase day by day, especially some old towns, underground pipeline is staggered complicated, a lot of pipeline position is failed to understand, carries out drainage pipe reparation, easily cause various engineering technology problem according to the method for pipe laying again after excavation.So Trenchless sewer repair technique reduces traffic impact because it has, trouble of avoiding removing, reduces ambient influnence, avoids the series of advantages such as roadbed subsidence or seeping phenomenon generation and be subject to the attention of Industry regulatory bodies.
The wherein inversion method construction technology of in-situ solidifying method, adopt non-woven fabrics application of resin as liner hose, there is application life short, corrosion-resistant, the shortcomings such as work progress is complicated, to such an extent as to there are problems when promoting on a large scale, therefore, be badly in need of exploitation new technology and replace the method needs pipe-repairing reparation for long distance.
Summary of the invention
In view of this, the present invention is intended to propose a kind of towed no-dig technique pipe repairing method, and to solve the reparation problem using trenchless technology long distance to be needed to pipe-repairing, simultaneously with low cost, effect is good.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of towed no-dig technique pipe repairing method, wherein relate to a kind of construction equipment, described construction equipment comprises reducing pipe, the internal diameter of described reducing pipe reduces gradually along its axis direction, wherein the minimum diameter end of this reducing pipe is the undergauge port of export, and the internal diameter of this undergauge port of export is less than needs pipe-repairing internal diameter;
Specifically reparation step is as follows for it:
Step one, selects external diameter to be greater than to need pipe-repairing external diameter and its length is greater than the PE tubing needing pipe-repairing length;
Step 2: need the arrival end place of pipe-repairing that construction equipment is set contiguous, in described construction equipment, PE tubing is placed at the undergauge arrival end place of reducing pipe, and this PE tubing coordinates with tractor to be set up;
Step 3, starts tractor, makes tractor pull PE tubing towards needing pipe-repairing place place to move and according to this by reducing pipe and need pipe-repairing;
Step 4, continues to open tractor, till being placed in until PE tubing the inner chamber needing pipe-repairing completely;
Step 5, blocks being positioned at the PE tubing needing pipe-repairing outside.
Further, the undergauge port of export center line of the reducing pipe set up in step 2 and the centerline collineation of arrival end needing pipe-repairing.
Further, the internal diameter of the undergauge port of export of selected in above-mentioned steps reducing pipe is less than the 10-20cm needing pipe-repairing internal diameter.
Further, select the external diameter of PE tubing to be greater than in step one and need pipe-repairing external diameter 1-5mm.
Further, described in above-mentioned steps, construction equipment also comprises guide pipe, the described undergauge port of export is connected with the arrival end of described guide pipe and the internal diameter of this undergauge port of export equals the internal diameter of guide pipe, the port of export of this guide pipe is contiguous need pipe-repairing arrival end or, tractor pulls PE tubing according to this through reducing pipe, guide pipe with need pipe-repairing.
Further, the port of export center line of guide pipe and the centerline collineation of arrival end needing pipe-repairing.
Further, in step one, the top of PE tubing is cone, and the top of this PE tubing is connected with the output of tractor by rope, and in step 4, PE tubing stops tractor after being placed in completely and needing pipe-repairing inner chamber simultaneously its top is placed in and needs pipe-repairing outside.
Relative to prior art, one of the present invention towed no-dig technique pipe repairing method has following advantage:
(1) reparation step of the present invention needs pipe-repairing mainly for long distance, different so complicated with inversion method renovation technique, and consuming time many, this restorative procedure only used the needs that namely PE tubing, reducing pipe and tractor achieve long distance reparation.
(2) the PE tubing repairing use that is designed for of reducing pipe of the present invention carries out secondary operations, making it meet needs the internal diameter requirement of pipe-repairing, accomplish without any letup according to reparation step simultaneously, without additional processing, and then make the method more conveniently also a saving cost simultaneously.
(3) guide pipe of the present invention was set up with coordinating of reducing pipe, can increase accuracy and efficiency to needing to import in pipe-repairing PE tubing, saved repair time.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The device connection diagram that Fig. 1 is restorative procedure described in the embodiment of the present invention;
Fig. 2 is for the PE tubing described in the embodiment of the present invention is progressively through the view of reducing pipe;
Fig. 3 is placed in the view need repaired in tubing for the PE tubing described in the embodiment of the present invention.
Description of reference numerals:
1-PE tubing, the top of 11-PE tubing, 2-construction equipment, 21-reducing pipe, 22-guide pipe, 3-needs pipe-repairing, 4-tractor.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
In addition, mentioned in an embodiment of the present invention need pipe-repairing, refer to damaged or long neglected and in disrepair pipeline.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As Figure 1-3, a kind of towed no-dig technique pipe repairing method, it comprises a kind of construction equipment 2, described construction equipment 2 comprises reducing pipe 21 and guide pipe 22, the internal diameter of described reducing pipe 21 reduces gradually along its axis direction, wherein the minimum diameter end of this reducing pipe 21 is the undergauge port of export, the internal diameter of the undergauge port of export of this reducing pipe 21 is less than the 10-20cm needing pipe-repairing 3 internal diameter, PE tubing after the selection of such specification not only can meet contraction is placed in and needs in pipe-repairing 3, the DE of the PE tubing 1 of this specification can also be make use of to greatest extent, make its last with need pipe-repairing 3 inwall better to fit, the described undergauge port of export is connected with the arrival end of described guide pipe 22 and the internal diameter of this undergauge port of export equals the internal diameter of guide pipe 22, the port of export of this guide pipe 22 is contiguous needs the arrival end of pipe-repairing 3 to be just connected with needing the arrival end of pipe-repairing 3, as long as ensure the recovery exceeded by the PE tubing 1 compressed,
Specifically reparation step is as follows for it:
Step one, selects external diameter to be greater than to need pipe-repairing 3 external diameter 1-5mm and its length is greater than the PE tubing 1 needing pipe-repairing 3 length, and the PE tubing 1 of this external diameter specification can meet whole reparation demand, also need not too much waste PE tubing 1 simultaneously;
Step 2: need the arrival end place of pipe-repairing 3 that construction equipment 2 is set contiguous, in described construction equipment 2, PE tubing 1 is placed at the undergauge arrival end place of reducing pipe 21, the port of export center line of guide pipe 22 and the centerline collineation of arrival end needing pipe-repairing 3, this PE tubing 1 coordinates with tractor 4 to be set up;
Before carrying out step 3, an easy clean can be carried out in pipe-repairing to needing, this cleans and is different from other non-excavation type renovation techniques, and needing to need pipe-repairing inwall clean very clean and smooth, and the objects such as large-scale stone only need clean out by this restorative procedure.
Step 3, start tractor 4, tractor 4 is made to pull PE tubing 1 towards needing pipe-repairing 3 place place to move and according to this by reducing pipe 21, guide pipe 22 with need pipe-repairing 3, when PE tubing is progressively by reducing pipe time, the caliber of this PE tubing 1 can be compressed gradually and reduce;
Step 4, continues to open tractor 4, and till being placed in until PE tubing 1 inner chamber needing pipe-repairing 3 completely, now PE tubing 1 will resilience be connected to and need pipe-repairing 3 inwall, so to needing pipe-repairing 3 to produce an effect supporting and repair;
Step 5, needing the PE tubing 1 of pipe-repairing 3 outside to block by being positioned at, so far completing whole repair.
Next carry out knocking off work.
Wherein in step one, the top 11 of PE tubing 1 is cone, the top 11 of this PE tubing 1 is connected by the output of rope with tractor 4, and in step 4, after PE tubing 1 is placed in completely and needs pipe-repairing 3 inner chamber simultaneously its top 11 is placed in and needs pipe-repairing 3 outside, stop tractor 4, and the design at the top 11 of PE tubing can increase connecting rope and penetrate the easness in reducing pipe 21.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a towed no-dig technique pipe repairing method, it is characterized in that: comprise a kind of construction equipment (2), described construction equipment (2) comprises reducing pipe (21), the internal diameter of described reducing pipe (21) reduces gradually along its axis direction, wherein the minimum diameter end of this reducing pipe (21) is the undergauge port of export, and the internal diameter of this undergauge port of export is less than needs pipe-repairing (3) internal diameter;
Specifically reparation step is as follows for it:
Step one, selects external diameter to be greater than to need pipe-repairing (3) external diameter and its length is greater than the PE tubing (1) needing pipe-repairing (3) length;
Step 2: need the arrival end place of pipe-repairing (3) that construction equipment (2) is set contiguous, in described construction equipment (2), PE tubing (1) is placed at the undergauge arrival end place of reducing pipe (21), and this PE tubing (1) coordinates with tractor (4) to be set up;
Step 3, starting tractor (4), making tractor (4) pull PE tubing (1) towards needing pipe-repairing (3) place place to move and according to this by reducing pipe (21) with need pipe-repairing (3);
Step 4, continues to open tractor (4), till PE tubing (1) is placed in the inner chamber needing pipe-repairing (3) completely;
Step 5, needs the outside PE tubing (1) of pipe-repairing (3) to block by being positioned at.
2. the towed no-dig technique pipe repairing method of one according to claim 1, is characterized in that: the internal diameter of the undergauge port of export of reducing pipe (21) selected in above-mentioned steps is less than the 10-20cm needing pipe-repairing (3) internal diameter.
3. the towed no-dig technique pipe repairing method of one according to claim 1 and 2, is characterized in that: select the external diameter of PE tubing (1) to be greater than in step one and need pipe-repairing (3) external diameter 1-5mm.
4. the towed no-dig technique pipe repairing method of one according to claim 1, is characterized in that: the undergauge port of export center line of the reducing pipe (21) set up in step 2 and the centerline collineation of arrival end needing pipe-repairing (3).
5. the towed no-dig technique pipe repairing method of one according to claim 1, it is characterized in that: construction equipment described in above-mentioned steps (2) also comprises guide pipe (22), the described undergauge port of export is connected with the arrival end of described guide pipe (22) and the internal diameter of this undergauge port of export equals the internal diameter of guide pipe (22), the contiguous arrival end needing pipe-repairing (3) of the port of export of this guide pipe (22), tractor (4) pulls PE tubing (1) according to this through reducing pipe (21), guide pipe (22) and need pipe-repairing (3).
6. the towed no-dig technique pipe repairing method of one according to claim 5, is characterized in that: the port of export center line of guide pipe (22) and the centerline collineation of arrival end needing pipe-repairing (3).
7. a kind of towed no-dig technique pipe repairing method according to claim 1 or 5, it is characterized in that: in step one, the top (11) of PE tubing (1) is cone, the top (11) of this PE tubing (1) is connected by the output of rope with tractor (4), and in step 4, PE tubing (1) stops tractor (4) after being placed in completely and needing pipe-repairing (3) inner chamber simultaneously its top (11) are placed in and need pipe-repairing (3) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060809.8A CN104727425A (en) | 2015-02-05 | 2015-02-05 | Traction-type non-excavation pipeline repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060809.8A CN104727425A (en) | 2015-02-05 | 2015-02-05 | Traction-type non-excavation pipeline repairing method |
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| CN104727425A true CN104727425A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510060809.8A Pending CN104727425A (en) | 2015-02-05 | 2015-02-05 | Traction-type non-excavation pipeline repairing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926752A (en) * | 2016-05-06 | 2016-09-07 | 广州市市政集团有限公司 | Drainage pipeline spraying-repairing construction process |
| CN107217722A (en) * | 2017-07-20 | 2017-09-29 | 佛山市立笙纺织有限公司 | The construction technology that a kind of sewage conduct is replaced over long distances |
| CN109681717A (en) * | 2019-02-14 | 2019-04-26 | 河南锐迪管道技术服务有限公司 | The towed size reducing machine of HDPE pipeline rehabilitation of O-shaped undergauge module is installed |
| CN110939820A (en) * | 2019-12-31 | 2020-03-31 | 南通大学 | Connecting method for pipeline repairing layer by non-excavation pipeline lining method |
| CN114892785A (en) * | 2021-12-28 | 2022-08-12 | 王福州 | Jacking type deviation rectifying method and equipment used after rain and sewage pipeline deviation |
-
2015
- 2015-02-05 CN CN201510060809.8A patent/CN104727425A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926752A (en) * | 2016-05-06 | 2016-09-07 | 广州市市政集团有限公司 | Drainage pipeline spraying-repairing construction process |
| CN107217722A (en) * | 2017-07-20 | 2017-09-29 | 佛山市立笙纺织有限公司 | The construction technology that a kind of sewage conduct is replaced over long distances |
| CN109681717A (en) * | 2019-02-14 | 2019-04-26 | 河南锐迪管道技术服务有限公司 | The towed size reducing machine of HDPE pipeline rehabilitation of O-shaped undergauge module is installed |
| CN110939820A (en) * | 2019-12-31 | 2020-03-31 | 南通大学 | Connecting method for pipeline repairing layer by non-excavation pipeline lining method |
| CN114892785A (en) * | 2021-12-28 | 2022-08-12 | 王福州 | Jacking type deviation rectifying method and equipment used after rain and sewage pipeline deviation |
| CN114892785B (en) * | 2021-12-28 | 2024-01-16 | 王福州 | Jacking type deviation correcting method and equipment for deviated rain and sewage pipeline |
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Application publication date: 20150624 |
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| WD01 | Invention patent application deemed withdrawn after publication |