CN108087660A - The localization method of underground piping non-excavation rehabilitation defect point - Google Patents
The localization method of underground piping non-excavation rehabilitation defect point Download PDFInfo
- Publication number
- CN108087660A CN108087660A CN201711270345.9A CN201711270345A CN108087660A CN 108087660 A CN108087660 A CN 108087660A CN 201711270345 A CN201711270345 A CN 201711270345A CN 108087660 A CN108087660 A CN 108087660A
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- Prior art keywords
- pipeline
- rope
- air bag
- rehabilitation
- operated vehicle
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Classifications
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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
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
-
- 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
- F16L55/1645—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
-
- 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
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/48—Indicating the position of the pig or mole in the pipe or conduit
-
- 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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
- F16L2101/12—Cleaning
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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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
-
- 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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/60—Stopping leaks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of localization methods of defect point in underground piping non-excavation rehabilitation, it solves since people cannot be introduced into the position of pipeline interior examination defect point, therefore the problem of the defects of that how to determine underground piping point is always a difficult point in repair process, its key points of the technical solution are that including the following steps：Dredging vehicle is cleared up；Connecting rope on the remote operated vehicle for be equiped with camera is set, the defects of point inside pipeline is searched by camera；And it is located in connecting rope on the position of gully opening and the first telltale mark is set；Positioning rope is bound on pipeline rehabilitation air bag, positioning rope sets the second telltale mark corresponding with the first telltale mark；Pipeline rehabilitation balloon surface coats patching material；It after the second telltale mark is located at gully opening, is repaired by pipeline rehabilitation air bag, can once determine multiple defect points, repaired one by one, saved time and number that remote operated vehicle searches defect point, improve work efficiency, simplify reparation flow.
Description
Technical field
The present invention relates to pipeline rehabilitation, more particularly to a kind of localization method of underground piping non-excavation rehabilitation defect point.
Background technology
In the past, when the underground pipings such as municipal drainage pipeline, agricultural water, industrial water and water supply pipe, gas piping
And inspection shaft is repaired to be damaged section to it when being damaged, it is often necessary to by above-mentioned Pipeline damage section ground into
Row excavates, and the damage segment pipe is replaced.Obviously, it is above-mentioned laggard to the underground piping of damage and inspection shaft location excavation
The method that row is integrally repaired is taken a lot of work, time-consuming and efficiency is low, cost is big.
In recent years, someone has developed and has used the underground piping and inspection shaft to above-mentioned damage in practical applications
The no-dig technique integral restoration method that Duan Jinhang is integrally repaired.A kind of pipeline trenchless repairing method as shown in Figure 1, passes through drawing
Surface is coated with the underground that the pipeline rehabilitation air bag 93 of patching material 95 is delivered to from gully 1 definite defective point 94 by rope 92
In pipeline 91, the power transmission line or gas tube that are connected with pipeline rehabilitation air bag 93 can be used as drawstring 92 and use, in pipeline rehabilitation
After air bag 93 reaches defect point 94, inflated by gas tube into pipeline rehabilitation air bag 93, patching material 95 is made to be close to buried pipe
The inner wall in road 91, until after patching material 95 and 91 inside solidification of underground piping, pipeline rehabilitation air bag 93 is deflated extensive by gas tube
Shape is restored, pipeline rehabilitation air bag 93 is taken out at this time, that is, completes the reparation to underground piping 91.Since people cannot be introduced into pipeline
The position of defect point is checked in portion, therefore how to determine that underground piping 91 the defects of point 94 is always a difficulty in repair process
Point.
The content of the invention
The object of the present invention is to provide a kind of localization methods of underground piping non-excavation rehabilitation defect point, can once determine more
A defect point is repaired one by one, is saved time and number that remote operated vehicle searches defect point, is improved work efficiency, letter
Reparation flow is changed.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of localization method of underground piping non-excavation rehabilitation defect point, includes the following steps：
Step1, the underground piping both ends repaired to needs block, by the dredging nozzle of dredging vehicle to needing to repair section pipe
Dredging cleaning is carried out inside road, and rubbish is cleared up by dredging nozzle to pipeline opening, it will be positioned at the rubbish of pipeline opening by gully
Rubbish takes out；
Step2 sets connecting rope on the remote operated vehicle for be equiped with camera, and remote operated vehicle is sent into from gully in pipeline
Portion, one end that connecting rope is not connected with remote operated vehicle are always positioned at more than ground, and control remote operated vehicle moves in pipeline, and passes through
Camera searches the defects of point inside pipeline；
When Step3, remote operated vehicle are moved to camera and are located at immediately below defect point, connecting rope is tensioned to connecting rope both ends Jun Chu
In exceptionally straight state and remote operated vehicle remains stationary, and it is located in connecting rope on the position of gully opening and the first positioning mark is set
Note；
Step4 until after pipeline inside the defects of point is provided with corresponding first telltale mark in connecting rope, passes through connecting rope
Remote operated vehicle is taken out out of pipeline；
Step5 binds positioning rope on pipeline rehabilitation air bag, and connecting rope is made to be repaiied with remote operated vehicle connecting pin and positioning rope with pipeline
Multiple air bag connecting pin alignment then stretches connecting rope and positioning rope and in parastate simultaneously, and positioning rope is located at being connected
Restrict corresponding position sets the second telltale mark corresponding with the first telltale mark；
The one end for the traction rope being threaded through inside pipeline is bound one end that positioning rope is not connected in pipeline rehabilitation air bag by Step6,
Patching material is coated in pipeline rehabilitation balloon surface；
Pipeline rehabilitation air bag by traction rope is sent into pipeline, pulls traction rope, make pipeline rehabilitation air bag in pipeline by Step7
Interior slip adjusts position of the pipeline rehabilitation air bag in pipeline, when the second telltale mark is located at by traction rope and positioning rope
After gully opening, pipeline rehabilitation air bag is located at defect of pipeline point；
Step8 is inflated to pipeline rehabilitation inside air bag, expands pipeline rehabilitation air bag, patching material is pressed on inner-walls of duct
On the defects of point, until after material solidification, discharge line repairs inside air bag gas, takes out pipeline rehabilitation air bag, complete twin conduit
The reparation of inner wall defect point.
By using above-mentioned technical proposal, when underground piping needs to repair, the dredging nozzle dredging of Step1 can be to pipe
It is cleared up inside road, avoids the operation of rubbish influence later step inside pipeline；The design of connecting rope can be used in positioning distant
Control displacement distance of the trolley inside pipeline, by setting the first telltale mark in connecting rope, and by stretch connecting rope and
Positioning rope makes the first telltale mark in connecting rope be transferred to the second telltale mark on positioning rope, in repair process, passes through
The positioning of second telltale mark and gully opening, can determine displacement distance of the pipeline rehabilitation air bag in pipeline whether with it is distant
It is consistent to control the displacement distance of trolley, when apart from it is consistent when, be the defects of remote operated vehicle is found point at this, you can repaiied by pipeline
Multiple air bag is repaired, and is completed the non-excavation rehabilitation to underground piping, for this kind of mode, can be set in connecting rope and positioning rope
Multiple first telltale marks and the second telltale mark in repair process, only need to coat patching material on pipeline rehabilitation air bag,
It is positioned according to the position of the second telltale mark and gully opening, defect point is determined without remote operated vehicle is used for multiple times, it can
It once determines multiple defect points, repairs one by one, save time and number that remote operated vehicle searches defect point, improve work
Make efficiency, simplify reparation flow.
Preferably, the remote operated vehicle is connected by connecting rope with power supply.
By using above-mentioned technical proposal, the design being connected by connecting rope with power supply of remote operated vehicle is compared to in-built electrical
The remote operated vehicle in source, the problem of can not taking out remote operated vehicle in pipeline internal fault or out of power to avoid remote operated vehicle,
The setting makes remote operated vehicle be connected with external power supply, and external power supply can power to remote operated vehicle continuation, avoid remote operated vehicle
The problem of out of power, meanwhile, when remote operated vehicle is when pipeline breaks down, can by connecting rope by remote operated vehicle from pipeline
Inside is taken out, and facilitates the control of remote operated vehicle.
Preferably, binding one end of traction rope on remote operated vehicle in Step2, wear traction rope by remote operated vehicle
It is located inside pipeline.
It, can be with by the movement of remote operated vehicle by traction rope binding on remote operated vehicle by using above-mentioned technical proposal
Traction rope is threaded through the purpose inside pipeline by realization, and since traction rope binding is on remote operated vehicle, is gone really in remote operated vehicle
While determining defect point, it becomes possible to which the step of carrying out wearing traction rope in pipeline saves the time for wearing traction rope, improves
Construction efficiency.
Preferably, in Step1 by one end binding of traction rope on dredging nozzle, make traction by dredging nozzle drive
Rope is threaded through inside pipeline.
By using above-mentioned technical proposal, dredging nozzle can drive traction rope to be moved in pipeline, realize traction rope
The purpose being threaded through inside pipeline meanwhile, it is capable to carry out cleaning again to inner-walls of duct, avoids rubbish residue from remaining in pipe
The attaching of patching material is influenced on road inner wall, and then is avoided since rubbish residue causes repairing effect to decline.
Preferably, traction rope to be bound to the one end for being not provided in remote operated vehicle connecting rope, when remote operated vehicle is by camera
When being moved to immediately below defect point, traction rope is tensioned to traction rope both ends and is in exceptionally straight state and remote operated vehicle holding
It is static, it is located on the position of gully opening the 3rd telltale mark of setting in traction rope, after finishing by traction rope from remote operated vehicle
On unlock.
By using above-mentioned technical proposal, set the 3rd telltale mark that can realize to pipeline rehabilitation air bag on traction rope
Two-point locating, by the design of the second telltale mark and the 3rd telltale mark, improve pipeline rehabilitation air bag in mending course
The accuracy of positioning.
Preferably, in Step7 after the second telltale mark is located at gully opening, if the 3rd telltale mark whether with row
Within the distance ± 10cm of well opening, Step8 is carried out；If the distance of the 3rd telltale mark and gully opening is more than ±
10cm then re-starts Step3-Step7.
By using above-mentioned technical proposal, in Step7 after the second telltale mark is located at gully opening, if the 3rd positioning
Mark whether within the distance ± 10cm with gully opening, carry out Step8；If the 3rd telltale mark and gully opening away from
From more than ± 10cm, then Step3-Step7 is re-started.
Preferably, scale is provided on the traction rope and positioning rope, in Step7, when the second telltale mark is located at row
After well opening, traction rope and positioning rope are adjusted, makes traction rope and positioning rope consistent with the distance of gully opening.
By using above-mentioned technical proposal, scale is set on traction rope and positioning rope, when the 3rd telltale mark and second
When there is deviation in the positioning result of telltale mark, by scale make the distance of the 3rd telltale mark and the second telltale mark with
The distance of gully opening is consistent, and is finely adjusted, so as to further improve the accuracy for repairing site.
Preferably, the patching material in Step6 includes the curable epoxide oxidant layer being sticked outside air bag and epoxy resin
Layer.
By using above-mentioned technical proposal, after epoxy resin and epoxy hardener combination, curable epoxide can be made, after curing
Epoxy resin there is good physics, chemical property, it has the surface of metal and nonmetallic materials the excellent bonding strong
Degree, dielectric properties are good, and deformation retract rate is small, and product size stability is good, and hardness is high, and flexibility is preferable, to alkali and major part
Solvent-stable, good weatherability, its repairing effect is good in the defects of point reparation inside pipeline, it is not easy to there is secondary defect,
Usage time after reparation is long.
Preferably, it is provided with preservative film separation layer between the pipeline rehabilitation air bag and patching material.
By using above-mentioned technical proposal, the design of preservative film can avoid epoxy resin from being adhered on pipeline rehabilitation air bag
Cause pipeline rehabilitation air bag that can not be separated with epoxy resin, facilitate the dismounting of pipeline rehabilitation air bag.
Preferably, the patching material is connected by elastic string with pipeline rehabilitation air bag.
By using above-mentioned technical proposal, patching material is bound on pipeline rehabilitation air bag, can avoid repairing by elastic string
It mends material to be fallen down from pipeline being delivered to before defect point, simultaneously because with elasticity, be expanded in pipeline rehabilitation air bag
When, elastic string can be stretched with pipeline rehabilitation air bag, compared to rigid cords such as steel wire ropes, to the obstruction of pipeline rehabilitation air bag
It is smaller.
In conclusion the invention has the advantages that：The localization method of the underground piping non-excavation rehabilitation defect point
It can once determine multiple defect points, repair one by one, save time and number that remote operated vehicle searches defect point, improve
Work efficiency simplifies reparation flow.
Description of the drawings
Fig. 1 is underground piping restorative procedure schematic diagram in the prior art；
Fig. 2 is embodiment 1a pipeline cleaning schematic diagrames；
Fig. 3 is embodiment 1a defect point location schematic diagrames；
Fig. 4 positions schematic diagram for embodiment 1a pipeline rehabilitations air bag；
Fig. 5 repairs schematic diagram for embodiment 1a pipeline rehabilitations air bag；
Fig. 6 is the diagrammatic cross-section of patching material；
Fig. 7 is defect point location schematic diagram in embodiment 2a；
Fig. 8 is that pipeline rehabilitation air bag repairs schematic diagram in embodiment 2a.
In figure, 1, gully；11st, the first gully；12nd, the second gully；21st, roadblock；22nd, warning mark；23rd, seal
Plate；3rd, dredging vehicle；31st, nozzle is dredged；4th, remote operated vehicle；41st, camera；51st, connecting rope；511st, the first telltale mark；52nd, lead
Messenger；521st, the 3rd telltale mark；53rd, positioning rope；531st, the second telltale mark；61st, preservative film separation layer；62nd, curable epoxide
Oxidant layer；63rd, epoxy resin layer；64th, elastic string；91st, underground piping；92nd, drawstring；93rd, pipeline rehabilitation air bag；94th, defect point；
95th, patching material.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
Embodiment 1a
A kind of localization method of underground piping non-excavation rehabilitation defect point, includes the following steps：
Pipeline cleaning
Step1.1 determines to need the underground piping 91 for repairing section, circumferential in two gully 1 connected with this section of underground piping 91
Roadblock 21 and warning mark 22 are set,（For convenience of statement, two gullys 1 are respectively designated as 11 He of the first gully below
Second gully 12）；
Step1.2 is manually entered the first gully 11 and the second gully 12, it would be desirable to repair section underground piping 91 and need not
The underground piping 91 for repairing section is separated by carrying the sealing plate 23 of water hole；
Step1.3 parks dredging vehicle 3 to the first gully 11, and dredging nozzle 31 is sent into ground by the first gully 11
The pipeline opening of lower pipeline 91, dredging vehicle 3 are washed by water to dredging nozzle 31, and the crunch generated by high pressure water flow is washed open blocked
Underground piping 91, and the rubbish inside underground piping 91 is rushed to gully 1, manually taken out；
Step1.4 repeats 1 ~ 3 step1.3 completion and the rubbish inside underground piping 91 is cleared up.
Defect point location
Step2.1 sets connecting rope 51 on the remote operated vehicle 4 for be equiped with camera 41, and the other end and the power supply of connecting rope 51 connect
It is connected in remote operated vehicle 4 and electric energy is provided；
Step2.2 binds traction rope 52 on remote operated vehicle 4, and remote operated vehicle 4 is sent into underground piping 91 from 11 well of the first draining
It is interior, control remote operated vehicle 4 walk inside pipeline 91, and pass through camera 41 will be on picture transmission to ground；
Step2.3 is when the defects of 91 inside reparation in need of underground piping point 94 occurs in the picture of camera 41, control remote control
Trolley 4 moves, and camera 41 is made to be located at the underface of defect point 94, and connection is tensed on the premise of ensureing that remote operated vehicle 4 is static
Rope 51, makes the both ends of connecting rope 51 be in exceptionally straight state；
Step2.4, which is located in connecting rope 51 on the position of the first gully 11 opening, sets the first telltale mark 511, the first positioning
Mark 511 binds for adhesive tape；
Step2.5 repeats Step2.2- Step2.4, several 91 inside of underground piping the defects of points are determined in connecting rope 51
94, remote operated vehicle 4 is taken out from the second gully 12, traction rope 52 is worn through inside piping at this time；
Step2.6 unbinds traction rope 52 and remote operated vehicle 4, by the way that connecting rope 51 is pulled to make remote operated vehicle 4 from the second gully 12
It returns in underground piping 91, and remote operated vehicle 4 is taken out from the first gully 11, the both ends of traction rope 4 are located at the respectively at this time
The opening of one gully 11 and the second gully 12.
Repair air bag positioning
Step3.1 binds positioning rope 53 on pipeline rehabilitation air bag 93, makes connecting rope 51 and 4 connecting pin of remote operated vehicle and positioning rope
53 align with 93 connecting pin of pipeline rehabilitation air bag, then stretch connecting rope 51 and positioning rope 53 simultaneously and are in parastate,
Positioning rope 53 be located at 51 corresponding position of connecting rope be provided with 511 corresponding second telltale mark 531 of the first telltale mark,
Second telltale mark 531 is similarly adhesive tape binding；
Traction rope 52 is bound one end that positioning rope is not connected in pipeline rehabilitation air bag 93 by Step3.2, in pipeline rehabilitation air bag 93
Surface coats patching material 95, patching material 95 include the curable epoxide oxidant layer 62 that is sticked outside pipeline rehabilitation air bag 93 and
Be sticked the epoxy resin layer 63 outside curable epoxide oxidant layer 62；Curable epoxide oxidant layer 62 and epoxy resin layer 63 are respectively that epoxy is consolidated
Agent and epoxy resin, epoxy resin and epoxy hardener are 1 according to mass ratio：1 mixing is applied on polyethylene film.And pipeline
It repairs and is additionally provided with preservative film separation layer 61 between air bag 93 and patching material 95；
Step3.3 adds elastic string 63 in 95 outer surface of patching material makes pipeline rehabilitation air bag 93 be connected with patching material 95, bullet
Property rope 63 can elect urethane rubber belt as；
Pipeline rehabilitation air bag 93 is sent into underground piping 91 by Step3.4 by traction rope 52, is pulled traction rope 52, is repaiied pipeline
Multiple air bag 93 adjusts pipeline rehabilitation air bag 93 in buried pipe in 91 interior slip of underground piping by traction rope 52 and positioning rope 53
Position in road 91, when the second telltale mark 531 is located at the first gully 11 opening, pipeline rehabilitation air bag 93 is lacked positioned at pipeline
At trapping spot 94；
Step3.5 expands pipeline rehabilitation air bag 93, is pressed on ground by patching material 95 to 93 inner inflatable of pipeline rehabilitation air bag
On 91 inner wall of lower pipeline the defects of point 94, until after patching material 95 cures, discharge line repairs 93 internal gas of air bag, takes out pipe
Air bag 93 is repaired in road, completes the reparation to 91 inner wall defect point 94 of underground piping.
Embodiment 1b
Embodiment 1b provides a kind of localization method of underground piping non-excavation rehabilitation defect point.Embodiment 1b and embodiment 1a's
Differ only in traction rope 52 wears mode.
Step1.4 repeats 1 ~ 3 step1.3 completion and the rubbish inside underground piping 91 is cleared up, in last time
In scale removal process, traction rope 52 is bound on dredging nozzle 31, by dredging nozzle 31 traction rope 52 is driven to be threaded through underground
In pipeline 91；
Step1.5 unbinds traction rope 52 and dredging nozzle 91.
Remote operated vehicle 4 is sent into from the first gully 11 in underground piping 91 by Step2.2, and control remote operated vehicle 4 is in underground
The walking of the inside of pipeline 91, and pass through camera 41 will be on picture transmission to ground；
Step2.5 repeats Step2.4 and Step2.5, the defects of point 94 inside several pipelines is determined in connecting rope 51, until distant
It controls trolley 4 and reaches the second gully 12；
Step2.6 pulls connecting rope 51 that remote operated vehicle 4 is made to be returned to from the second gully 12 in underground piping 91, in the process of pulling back
In, when remote operated vehicle 4 is by defect point 94, appraise and decide whether the first telltale mark 511 is open positioned at the first gully 11, if not
It is to re-start step2.3 ~ 2.4, remote operated vehicle 4 is taken out from the first gully 11.
Embodiment 2a
A kind of localization method of underground piping non-excavation rehabilitation defect point, includes the following steps：
Pipeline cleaning
Step1.1 determines to need the underground piping 91 for repairing section, circumferential in two gully 1 connected with this section of underground piping 91
Roadblock 21 and warning mark 22 are set,（For convenience of statement, two gullys 1 are respectively designated as 11 He of the first gully below
Second gully 12）；
Step1.2 is manually entered the first gully 11 and the second gully 12, it would be desirable to repair section underground piping 91 and need not
The underground piping 91 for repairing section is separated by carrying the sealing plate 23 of water hole；
Step1.3 parks dredging vehicle 3 to the first gully 11, and dredging nozzle 31 is sent into ground by the first gully 11
The pipeline opening of lower pipeline 91, dredging vehicle 3 are washed by water to dredging nozzle 31, and the crunch generated by high pressure water flow is washed open blocked
Underground piping 91, and the rubbish inside underground piping 91 is rushed to gully 1, manually taken out；
Step1.4 repeats 1 ~ 3 step1.3 completion and the rubbish inside underground piping 91 is cleared up, cleared up in last time
In the process, traction rope 52 is bound on dredging nozzle 31, by dredging nozzle 31 traction rope 52 is driven to be threaded through underground piping
In 91；
Step1.5 unbinds traction rope 52 and dredging nozzle 91.
Defect point location
Step2.1 sets connecting rope 51 on the remote operated vehicle 4 for be equiped with camera 41, and the other end and the power supply of connecting rope 51 connect
It is connected in remote operated vehicle 4 and electric energy is provided；
Remote operated vehicle 4 is connected by Step2.2 with traction rope 52, and remote operated vehicle 4 is sent into underground piping 91 from 11 well of the first draining
It is interior, control remote operated vehicle 4 walk inside pipeline 91, and pass through camera 41 will be on picture transmission to ground；
Step2.3 is when the defects of 91 inside reparation in need of underground piping point 94 occurs in the picture of camera 41, control remote control
Trolley 4 moves, and camera 41 is made to be located at the underface of defect point 94, and connection is tensed on the premise of ensureing that remote operated vehicle 4 is static
Rope 51, makes the both ends of connecting rope 51 be in exceptionally straight state, is located in connecting rope 51 on the position of the first gully 11 opening and sets
The first telltale mark 511 is put, the first telltale mark 511 binds for adhesive tape；
Step2.4 tenses traction rope 52 simultaneously, and traction rope 52 is tensioned to 52 both ends of traction rope is in exceptionally straight state and remote control
4 remains stationary of trolley is located on the position of the second gully 12 opening in traction rope 52 and sets the 3rd telltale mark 521；
Step2.5 repeats Step2.2-Step2.4, is determined in connecting rope 51 and traction rope 52 in several underground pipings 91
The defects of portion point 94, until remote operated vehicle 4 reaches the second gully 12, pulled back remote operated vehicle 4, and will be remotely controlled small by connecting rope 51
Vehicle 4 takes out from the first gully 11, unbinds remote operated vehicle 4 and traction rope 52.
Repair air bag positioning
Step3.1 binds positioning rope 53 on pipeline rehabilitation air bag 93, makes connecting rope 51 and 4 connecting pin of remote operated vehicle and positioning rope
53 align with 93 connecting pin of pipeline rehabilitation air bag, then stretch connecting rope 51 and positioning rope 53 simultaneously and are in parastate,
Positioning rope 53 is located to be set and 511 corresponding second telltale mark 531 of the first telltale mark with 51 corresponding position of connecting rope, and the
Two telltale marks 531 are similarly adhesive tape binding；
Traction rope 52 is bound one end that positioning rope is not connected in pipeline rehabilitation air bag 93 by Step3.2, in pipeline rehabilitation air bag 93
Surface coats patching material 95, patching material 95 include the curable epoxide oxidant layer 62 that is sticked outside pipeline rehabilitation air bag 93 and
Be sticked the epoxy resin layer 63 outside curable epoxide oxidant layer 62；Curable epoxide oxidant layer 62 and epoxy resin layer 63 are respectively that epoxy is consolidated
Agent and epoxy resin, epoxy resin and epoxy hardener are 1 according to mass ratio：1 mixing is applied on polyethylene film.And pipeline
It repairs and is additionally provided with preservative film separation layer 61 between air bag 93 and patching material 95；
Step3.3 adds elastic string 64 in 95 outer surface of patching material makes pipeline rehabilitation air bag 93 be connected with patching material 95, bullet
Property rope 64 can elect polyurethane rubber adhesive film as；
Pipeline rehabilitation air bag 93 is sent into underground piping 93 by Step3.4 by traction rope 52, is pulled traction rope 52, is repaiied pipeline
Multiple air bag 93 adjusts pipeline rehabilitation air bag 93 in buried pipe in 91 interior slip of underground piping by traction rope 52 and positioning rope 53
Position in road 91 makes the second telltale mark 531 be located at the first gully 11 and is open；
Step3.5 observes distance that the 3rd telltale mark 521 and the second gully 12 are open whether within ± 10cm, if so,
Step3.6 is then carried out, if the distance of the 3rd telltale mark 521 and the second gully 12 opening is more than ± 10cm, is re-started
Step2.1- Step3.5；
Step3.6 expands pipeline rehabilitation air bag 9, is pressed on ground by patching material 95 to 93 inner inflatable of pipeline rehabilitation air bag
On 91 inner wall of lower pipeline the defects of point 94, until after patching material 95 cures, discharge line repairs 93 internal gas of air bag, takes out pipe
Air bag 93 is repaired in road, completes the reparation to 91 inner wall defect point 94 of underground piping.
Embodiment 2b
Embodiment 2b provides a kind of localization method of underground piping non-excavation rehabilitation defect point.Embodiment 2b and embodiment 2a's
Differ only in Step3.5.The Step5 of embodiment 2b is as follows：
Scale is both provided on Step3.5, traction rope 52 and positioning rope 53, when the second telltale mark 531 is located at the first gully
During 11 opening, the distance that observation the 3rd telltale mark 521 and the second gully 12 are open whether within ± 10cm, if so,
Step3.6 is carried out, if the distance of the 3rd telltale mark 521 and the second gully 12 opening is more than ± 10cm, adjusts traction rope 52
With positioning rope 53, judged by scale, make 52 and second gully 12 of traction rope be open between and 53 and first draining of positioning rope
The distance that well 11 is open is consistent.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
Claims (10)
1. a kind of localization method of underground piping non-excavation rehabilitation defect point, which is characterized in that include the following steps：
Step1, underground piping (91) both ends repaired to needs block, right by the dredging nozzle (31) of dredging vehicle (3)
It needs to repair and dredging cleaning is carried out inside section underground piping (91), and rubbish is cleared up by dredging nozzle (31) to pipeline opening, lead to
Crossing gully (1) will take out positioned at the rubbish of pipeline opening；
Step2 sets connecting rope (51) on the remote operated vehicle (4) for be equiped with camera (41), by remote operated vehicle (4) from draining
Well (1) is sent into inside pipeline, and one end that connecting rope (51) is not connected with remote operated vehicle (4) is always positioned at more than ground, control remote control
Trolley (4) moves in pipeline, and passes through camera (41) and search the defects of point (94) inside pipeline；
When Step3, remote operated vehicle (4) are moved to camera (41) and are located at immediately below defect point (94), connecting rope (51) is tensed
Exceptionally straight state and remote operated vehicle (4) remains stationary are in connecting rope (51) both ends, and is located at gully in connecting rope (51)
(1) the first telltale mark (511) is set on the position of opening；
Step4, until the defects of point (94) is provided with corresponding first telltale mark (511) in connecting rope (51) inside pipeline
Afterwards, remote operated vehicle (4) is taken out out of pipeline by connecting rope (51)；
Step5 binds positioning rope (53) on pipeline rehabilitation air bag (93), makes connecting rope (51) and remote operated vehicle (4) connecting pin
It aligns with pipeline rehabilitation air bag (93) connecting pin with positioning rope (53), then stretches connecting rope (51) and positioning rope (53) simultaneously
And in parastate, it is right with the first telltale mark (511) that positioning rope (53) is located at position corresponding with connecting rope (51) setting
The second telltale mark (531) answered；
Step6, by one end binding for the traction rope (52) being threaded through inside pipeline in the not connected positioning of pipeline rehabilitation air bag (93)
One end of rope (53), in pipeline rehabilitation air bag (93) surface cladding patching material (95)；
Pipeline rehabilitation air bag (93) by traction rope (52) is sent into pipeline, pulls traction rope (52), repair pipeline by Step7
Multiple air bag (93) is in pipeline interior slip, by traction rope (52) and positioning rope (53) adjusting pipeline rehabilitation air bag (93) in pipeline
Interior position, after the second telltale mark (531) is located at gully (1) opening, pipeline rehabilitation air bag (93) is located at defect of pipeline
At point (94)；
Step8 to pipeline rehabilitation air bag (93) inner inflatable, expands pipeline rehabilitation air bag (93), patching material (95) is pressed
On the defects of being located at inner-walls of duct point (94), until after patching material (95) cures, discharge line repairs air bag (93) internal gas,
Pipeline rehabilitation air bag (93) is taken out, completes the reparation to inner-walls of duct defect point (94).
2. the localization method of underground piping non-excavation rehabilitation defect point according to claim 1, which is characterized in that described distant
Control trolley (4) is connected by connecting rope (51) with power supply.
3. the localization method of underground piping non-excavation rehabilitation defect point according to claim 1, which is characterized in that Step2
Middle one end by traction rope (52) is bound on remote operated vehicle (4), by remote operated vehicle (4) traction rope (52) is made to be threaded through pipeline
It is internal.
4. the localization method of underground piping non-excavation rehabilitation defect point according to claim 1, which is characterized in that Step1
Middle one end binding by traction rope (52) wears traction rope (52) on dredging nozzle (31), by dredging nozzle (31) drive
Inside pipeline.
5. the localization method of the underground piping non-excavation rehabilitation defect point according to claim 3 or 4, which is characterized in that will
Traction rope (52) binds one end that connecting rope (51) are not provided in remote operated vehicle (4), when remote operated vehicle (4) moves camera (41)
When moving to immediately below the defect point (94), traction rope (52) is tensioned to traction rope (52) both ends and is in exceptionally straight state and distant
Trolley (4) remains stationary is controlled, is located in traction rope (52) on the position of gully (1) opening and the 3rd telltale mark (521) is set,
Traction rope (52) is unlocked from remote operated vehicle (4) after finishing.
6. the localization method of underground piping non-excavation rehabilitation defect point according to claim 5, which is characterized in that Step7
In when the second telltale mark (531) be located at gully (1) opening after, if whether the 3rd telltale mark (521) is opened with gully (1)
Within the distance ± 10cm of mouth, Step8 is carried out；If the distance of the 3rd telltale mark (521) and gully (1) opening is more than ±
10cm then re-starts Step3-Step7.
7. the localization method of underground piping non-excavation rehabilitation defect point according to claim 5, which is characterized in that described to lead
Scale is provided on messenger (52) and positioning rope (53), in Step7, when the second telltale mark (531) is located at gully (1) opening
Afterwards, traction rope (52) and positioning rope (53) are adjusted, makes traction rope (52) and positioning rope (53) and the distance one of gully (1) opening
It causes.
8. the localization method of underground piping non-excavation rehabilitation defect point according to claim 1, which is characterized in that Step6
In patching material (95) include the curable epoxide oxidant layer (62) being sticked outside air bag and epoxy resin layer (63).
9. the localization method of underground piping non-excavation rehabilitation defect point according to claim 8, which is characterized in that the pipe
It repairs and is provided with preservative film separation layer (61) between air bag (93) and patching material (95) in road.
10. the localization method of underground piping non-excavation rehabilitation defect point according to claim 8, which is characterized in that described
Patching material (95) is connected by elastic string (64) with pipeline rehabilitation air bag (93).
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| CN111947043A (en) * | 2020-06-28 | 2020-11-17 | 宁波宏川环境科技有限公司 | Sewage pipeline crack positioning method and system, intelligent terminal and storage medium |
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Address after: 1-1,2-1,3-1, No. 136, building 22, Yungu center, Jiangbei District, Ningbo, Zhejiang 315000 Patentee after: Zhejiang Jingmai Environmental Technology Co.,Ltd. Address before: Room 17-1-22, building 3, No. 677, 685, 687, Changxing Road, Jiangbei District, Ningbo, Zhejiang 315000 Patentee before: ZHEJIANG JINGMAI ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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Denomination of invention: Locating Method of Defect Points in Trenchless Repair of Underground Pipelines Effective date of registration: 20230224 Granted publication date: 20190910 Pledgee: China Merchants Bank Co.,Ltd. Ningbo Branch Pledgor: Zhejiang Jingmai Environmental Technology Co.,Ltd. Registration number: Y2023980033383 |