CN113503420A - Lining hose traction device for trenchless pipeline repair engineering and construction method - Google Patents
Lining hose traction device for trenchless pipeline repair engineering and construction method Download PDFInfo
- Publication number
- CN113503420A CN113503420A CN202110743675.5A CN202110743675A CN113503420A CN 113503420 A CN113503420 A CN 113503420A CN 202110743675 A CN202110743675 A CN 202110743675A CN 113503420 A CN113503420 A CN 113503420A
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- Prior art keywords
- traction
- repaired
- water supply
- lining hose
- supply pipeline
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a lining hose traction device for trenchless pipeline repair engineering, which comprises: the guiding traction support is erected in a working pit at one side of the water supply pipeline to be repaired and used for guiding the lining hose coiled on the road surface at the side of the working pit into the water supply pipeline to be repaired; and the traction end of a traction rope of the traction machine enters the water supply pipeline to be repaired through the receiving pit, penetrates through the water supply pipeline to be repaired and then is connected with the end part of the lining hose coiled on the pavement on the side of the working pit. The construction method of the lining hose traction device for the trenchless pipeline rehabilitation project is also disclosed. The invention uses the tractor to provide power, realizes the automation of the traction of the lining hose, has smooth and adjustable traction speed, high automation degree and time-saving and labor-saving operation.
Description
Technical Field
The invention relates to the technical field of pipeline repair, in particular to a lining hose traction device for trenchless pipeline repair engineering and a construction method thereof.
Background
At present, the old water supply network in the city is generally transformed mainly in a grooving and pipe burying mode, but for roads with large human and vehicle flow and complicated underground pipelines, the non-excavation repairing process can obviously reduce the influence of the construction process on road communication and surrounding residents, the construction period is short, and water supply can be recovered in the shortest time.
The trenchless repair process of the water supply pipeline mainly comprises two main types: lining methods and coating methods. The water supply pipeline repaired by adopting the lining method can not only be anticorrosive and impermeable, but also can increase the structural strength of the pipeline as required. The lining method has high construction speed and strong reliability, thereby becoming the mainstream of trenchless integral repair of water supply pipelines, but the manufacturing cost is relatively high. The water supply pipeline repaired by adopting the coating method aims at corrosion prevention and seepage prevention, and although the construction cost is relatively low, the construction speed is slow and the reliability is not high.
The commonly used lining method repairing technology mainly comprises an equal-diameter compression lining pipe supporting method, an on-site curing lining method and an internal coating method. The UV ultraviolet light cured lining repairing technology is one of in-situ cured lining technology, and is characterized by that a glass fibre hose (lining hose) soaked with resin is drawn into the water supply pipeline to be repaired by adopting drawing-in method, and the lining hose is inflated with compressed air and expanded so as to make the peripheral surface of the inflated and expanded lining hose tightly attached to the inner wall of the water supply pipeline to be repaired, then under the irradiation of UV light the quick solidification can be implemented, so that a layer of hard "pipe-in-pipe" structure can be formed, so that the water supply pipeline which is damaged or has lost conveying function can be repaired in situ.
The lining hose generally adopts the manual operation mode to draw in waiting prosthetic water supply pipeline, makes lining hose take place the fold, distortion, damaged circumstances such as easily drawing in the pipeline in-process, can't guarantee lining hose smoothly, evenly draw in the pipeline, and manual operation wastes time and energy.
To this end, the applicant has sought, through useful research and research, a solution to the above-mentioned problems, in the context of which the technical solutions to be described below have been made.
Disclosure of Invention
One of the technical problems to be solved by the present invention is: aiming at the defects of the prior art, the lining hose traction device for the trenchless pipeline repairing engineering is provided, which can avoid the lining hose from wrinkling, twisting, damage and other conditions, and is trouble-saving and labor-saving in operation.
The second technical problem to be solved by the present invention is: the construction method of the lining hose traction device for the trenchless pipeline rehabilitation project is provided.
The lining hose traction device for trenchless pipeline rehabilitation engineering as a first aspect of the invention comprises:
the guiding traction support is erected in a working pit at one side of the water supply pipeline to be repaired and used for guiding the lining hose coiled on the road surface at the side of the working pit into the water supply pipeline to be repaired; and
the traction end of a traction rope of the tractor enters the water supply pipeline to be repaired through the receiving pit, penetrates through the water supply pipeline to be repaired and then is connected with the end part of the lining hose coiled on the road surface on the side of the working pit.
In a preferred embodiment of the present invention, the guide traction bracket comprises:
the traction frame body is erected in the working pit, a guide inclined plane is formed on the traction frame body, the upper end of the guide inclined plane is close to a lining hose which is coiled on the road surface, and the lower end of the guide inclined plane is close to a water supply pipeline to be repaired; and
a plurality of rolling shafts are axially arranged on the guide inclined plane of the traction frame body at intervals along the traction direction.
In a preferred embodiment of the invention, a plurality of fixed bottom plates are arranged at intervals at the bottom of the traction frame body, and the traction frame body is fixedly arranged on the pit bottom surface of the working pit through the plurality of fixed bottom plates.
In a preferred embodiment of the present invention, both ends of each rolling shaft are rotatably mounted on the guide slope of the traction frame body by U-bolts, respectively.
In a preferred embodiment of the present invention, the inclined angle of the guide slope of the traction frame body is 20 ° to 60 °.
In a preferred embodiment of the invention, the bottom of the tractor is provided with moving wheels.
The construction method of the lining hose traction device for the trenchless pipeline rehabilitation engineering as the second aspect of the invention comprises the following steps:
step S10, when the water supply pipeline to be repaired needs to be repaired, closing the valves at the two ends of the water supply pipeline to be repaired;
step S20, vertically and downwardly excavating the front and rear road surfaces of the water supply pipeline to be repaired to form working pits and receiving pits at the front and rear parts of the water supply pipeline to be repaired, and cutting or removing flanges from the parts of the water supply pipeline to be repaired, which are positioned in the working pits and the receiving pits, so as to form independent sections of the water supply pipeline to be repaired;
step S30, coiling the lining hose on the side road surface of the working pit, erecting a guide traction bracket in the working pit, moving a tractor to the side road surface of the receiving pit, and enabling the traction end of a traction rope of the tractor to enter a water supply pipeline to be repaired through the receiving pit, pass through the water supply pipeline to be repaired and then be connected with the end part of the lining hose coiled on the side road surface of the working pit;
and step S40, starting a traction machine, wherein the traction machine provides traction power to drive a traction rope and the lining hose to be guided into the water supply pipeline to be repaired through a guide traction bracket in the working pit until the lining hose is pulled into the receiving well.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention uses the tractor to provide power, realizes the automation of the traction of the lining hose, has smooth and adjustable traction speed, high automation degree and time-saving and labor-saving operation.
2. The invention adopts the guide traction bracket with an inclined angle, so that the lining hose can be smoothly moved into the water supply pipeline to be repaired.
3. The lining hose can be smoothly and uniformly pulled into a pipeline, and the lining hose cannot be wrinkled, twisted, damaged and the like.
4. The method has the advantages of strong practicability, simple and quick construction process and extremely wide application prospect in trenchless pipeline repairing engineering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view showing an operating state of the lining hose traction apparatus of the present invention.
Fig. 2 is a schematic structural view of the guide traction bracket of the present invention.
Fig. 3 is a top view of the guided traction stent of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1, there is shown a lining hose hauling device for trenchless pipeline rehabilitation including a guide hauling bracket 100 and a hauling machine 200.
The guide pulling bracket 100 is erected in the working pit 20 at one side of the water supply pipeline 10 to be repaired, and the guide pulling bracket 100 is used to guide the lining hose 40 wound on the road surface 21 at the side of the working pit 20 into the water supply pipeline 10 to be repaired. Specifically, referring to fig. 2 and 3, the guide traction bracket 100 includes a traction bracket body 110 and several rolling shafts 120. The towing bracket body 110 is in a right triangle structure, and is erected in the working pit 20, and a guide slope 111 is formed on the towing bracket body 110, an upper end of the guide slope 111 is close to the lining hose 40 wound on the road surface, and a lower end thereof is close to the water supply pipeline 10 to be repaired. The bottom of the towing bracket body 110 is provided with a plurality of fixed bottom plates 112 at intervals, and the towing bracket body 110 is fixedly installed on the pit bottom surface of the working pit 20 through the plurality of fixed bottom plates 112. The inclination angle of the guide slope 111 of the traction frame body 110 is 20-60 degrees, which can be adjusted according to the actual size of the working pit. A plurality of rolling shafts 120 are axially spaced along the drawing direction on the guide slope 111 of the drawing frame body 110. Both ends of each rolling shaft 120 are rotatably mounted on the guide slope 111 of the hitch frame 110 by means of U-bolts 121, respectively, so that the rolling shafts 120 are flexibly rotated.
The tractor 200 is placed on the side surface 31 of the receiving pit 30 at the other side of the water supply pipeline 10 to be repaired, and the traction end of the traction rope 210 of the tractor 200 enters the water supply pipeline 10 to be repaired through the receiving pit 30 and passes through the water supply pipeline 10 to be repaired and then is connected to the end of the lining hose 40 wound on the side surface 21 of the working pit 20. The bottom of the tractor 200 is provided with a moving wheel 220, which facilitates the movement of the tractor 200.
The invention discloses a construction method of a lining hose traction device for trenchless pipeline repair engineering, which comprises the following steps:
in step S10, when the water supply pipeline 10 to be repaired needs to be repaired, the valves at both ends of the water supply pipeline to be repaired are closed.
Step S20, vertically and downwardly excavating the front and rear road surfaces of the water supply pipeline 10 to be repaired to form a working pit 20 and a receiving pit 30 at the front and rear parts of the water supply pipeline 10 to be repaired, constructing concrete foundation layers 22 and 32 at the bottoms of the working pit 20 and the receiving pit 30, cutting or removing flanges of the parts of the water supply pipeline 10 to be repaired, which are positioned in the working pit 20 and the receiving pit 30, to form an independent section of the water supply pipeline 10 to be repaired, and simultaneously discharging accumulated water in the water supply pipeline 10 to be repaired completely. In the present embodiment, the length of the water supply pipeline 10 to be repaired is 20m to 200 m. When the water supply pipeline is repaired, the water supply pipeline can be divided into a plurality of sections to be repaired in the modes of cutting or dismantling the flange and the like, and then the water supply pipeline is repaired section by section.
Step S30, the lining hose reel 40 is placed on the side road surface 21 of the working pit 20, the guiding and pulling bracket 100 is erected in the working pit 20, the tractor 200 is moved to the side road surface 31 of the receiving pit 30, and the pulling end of the pulling rope 210 of the tractor 200 is introduced into the water supply pipeline 10 to be repaired via the receiving pit 30, passes through the water supply pipeline 10 to be repaired, and is connected to the end of the lining hose 40 wound on the side road surface 21 of the working pit 20.
Step S40, the tractor 200 is started, and the tractor 200 provides traction power to drive the traction rope 210 and the lining hose 40 to be guided into the water supply pipeline 10 to be repaired through the guiding and traction bracket 100 in the working pit 20 until the lining hose 40 is pulled into the receiving well 30.
The invention uses the tractor 200 to provide power, realizes the traction automation of the lining hose 40, and has smooth and adjustable traction speed. The lining hose 40 can be smooth and even in the process of pulling the lining hose into the pipeline, the lining hose 40 cannot be wrinkled, distorted, damaged and the like, the automation degree is high, and the method has a very wide application prospect in trenchless pipeline repair engineering.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A lining hose draw gear for trenchless pipeline rehabilitation engineering, comprising:
the guiding traction support is erected in a working pit at one side of the water supply pipeline to be repaired and used for guiding the lining hose coiled on the road surface at the side of the working pit into the water supply pipeline to be repaired; and
the traction end of a traction rope of the tractor enters the water supply pipeline to be repaired through the receiving pit, penetrates through the water supply pipeline to be repaired and then is connected with the end part of the lining hose coiled on the road surface on the side of the working pit.
2. The lining hose pulling apparatus for trenchless pipe rehabilitation as defined in claim 1, wherein said guide pulling bracket comprises:
the traction frame body is erected in the working pit, a guide inclined plane is formed on the traction frame body, the upper end of the guide inclined plane is close to a lining hose which is coiled on the road surface, and the lower end of the guide inclined plane is close to a water supply pipeline to be repaired; and
a plurality of rolling shafts are axially arranged on the guide inclined plane of the traction frame body at intervals along the traction direction.
3. The lining hose traction device for trenchless pipeline rehabilitation engineering as claimed in claim 1, wherein a plurality of fixing bottom plates are arranged at intervals on the bottom of the traction frame body, and the traction frame body is fixedly installed on the pit bottom surface of the working pit through the plurality of fixing bottom plates.
4. The traction device of the lining hose for trenchless pipeline rehabilitation as claimed in claim 1, wherein both ends of each rolling shaft are rotatably installed on the guide slope of the traction frame body by means of U-bolts, respectively.
5. The traction device of the lining hose for the trenchless pipeline rehabilitation project as claimed in claim 1, wherein the inclined angle of the guide slope of the traction frame body is 20 ° to 60 °.
6. The lining hose pulling apparatus for trenchless pipe rehabilitation as claimed in claim 1, wherein a moving wheel is provided at a bottom of the pulling machine.
7. A construction method of the lining hose traction device for trenchless pipeline rehabilitation engineering as claimed in any one of claims 1 to 6, comprising the steps of:
step S10, when the water supply pipeline to be repaired needs to be repaired, closing the valves at the two ends of the water supply pipeline to be repaired;
step S20, vertically and downwardly excavating the front and rear road surfaces of the water supply pipeline to be repaired to form working pits and receiving pits at the front and rear parts of the water supply pipeline to be repaired, and cutting or removing flanges from the parts of the water supply pipeline to be repaired, which are positioned in the working pits and the receiving pits, so as to form independent sections of the water supply pipeline to be repaired;
step S30, coiling the lining hose on the side road surface of the working pit, erecting a guide traction bracket in the working pit, moving a tractor to the side road surface of the receiving pit, and enabling the traction end of a traction rope of the tractor to enter a water supply pipeline to be repaired through the receiving pit, pass through the water supply pipeline to be repaired and then be connected with the end part of the lining hose coiled on the side road surface of the working pit;
and step S40, starting a traction machine, wherein the traction machine provides traction power to drive a traction rope and the lining hose to be guided into the water supply pipeline to be repaired through a guide traction bracket in the working pit until the lining hose is pulled into the receiving well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110743675.5A CN113503420A (en) | 2021-07-01 | 2021-07-01 | Lining hose traction device for trenchless pipeline repair engineering and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110743675.5A CN113503420A (en) | 2021-07-01 | 2021-07-01 | Lining hose traction device for trenchless pipeline repair engineering and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113503420A true CN113503420A (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110743675.5A Pending CN113503420A (en) | 2021-07-01 | 2021-07-01 | Lining hose traction device for trenchless pipeline repair engineering and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658953A (en) * | 2022-03-31 | 2022-06-24 | 广州易探科技有限公司 | Ultraviolet curing pipeline trenchless repairing system and processing method |
-
2021
- 2021-07-01 CN CN202110743675.5A patent/CN113503420A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658953A (en) * | 2022-03-31 | 2022-06-24 | 广州易探科技有限公司 | Ultraviolet curing pipeline trenchless repairing system and processing method |
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