CN103851301B - Pressure piping top water craft leakage mending method - Google Patents

Pressure piping top water craft leakage mending method Download PDF

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Publication number
CN103851301B
CN103851301B CN201410088635.1A CN201410088635A CN103851301B CN 103851301 B CN103851301 B CN 103851301B CN 201410088635 A CN201410088635 A CN 201410088635A CN 103851301 B CN103851301 B CN 103851301B
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Prior art keywords
shaped sleeve
sleeve
straight tube
pipeline patching
split
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CN201410088635.1A
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CN103851301A (en
Inventor
毛雄飞
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Baotou Iron and Steel Group Co Ltd
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Baotou Iron and Steel Group Co Ltd
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Priority to CN201410088635.1A priority Critical patent/CN103851301B/en
Publication of CN103851301A publication Critical patent/CN103851301A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • F16L55/17Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
    • F16L55/172Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18Appliances for use in repairing pipes

Abstract

The invention discloses a kind of pressure piping top water craft leakage mending method, determine the mounting point of straight tube pipeline patching device, mounting point two side ducts of straight tube pipeline patching device installs the T-shaped sleeve of first set respectively; In first set T-shaped sleeve both sides, the T-shaped sleeve of the second cover is installed respectively, the T-shaped sleeve of the second cover is fastened on pipeline completely, between the second T-shaped sleeve of cover and the T-shaped sleeve of first set, places jack; In mounting point, straight tube pipeline patching device is installed, the T-shaped sleeve of first set is passed with jack while fastening pipeline patching device bolt, make the rubber glue sealing drum parallel docking of its end face and straight tube pipeline patching device, and make the end face of the T-shaped sleeve of first set withstand on seal ring, pipe pressurized top water plugging operation is completed after pipeline patching device bolt is completely fastening, retain the T-shaped sleeve of first set, remove the T-shaped sleeve of the second cover.

Description

Pressure piping top water craft leakage mending method
Technical field
The present invention relates to a kind of blocking Leakage technology, specifically, relate to a kind of pressure piping top water craft leakage mending method.
Background technique
Straight tube pipeline patching device is commonly called as pipeline leakage plugging device, and this device both can push up water and repair pipeline, can reduce emergency repair cost again.But in actual applications, because the license deflection angle that straight tube pipeline patching device is maximum is 2 °, maximum license displacement is no more than 3 millimeters, and when having a large amount of press waters in pipeline, rubber seal cylinder is often shifted, pipeline patching device cannot connect and puts in place.
Straight tube pipeline patching device is made up of two pieces body and rubber seal bucket, easy for installation, only by two pieces body to being combined in pipe leakage place, fastening nut just can the repairing of complete twin conduit; It has again flexible shaft, reducing and economic and practical simultaneously, not only eliminate the space needed for mode such as pipeline processing part, welding, time and fund, fully ensure that again their quality, both can push up water and repair Pipeline Leakage Point, can emergency repair cost have been reduced again.
Rubber seal bucket is provided with multiple-sealed ring, because rubber seal bucket is opening, the maximum license deflection angle of straight tube pipeline patching device is 2 °, maximum license displacement is no more than 3 millimeters, therefore, when having a large amount of press waters in pipeline, rubber seal cylinder is often shifted, straight tube pipeline patching device cannot connect and puts in place, must in emptying pipe after ponding used, could pipe laying repairing device.
Summary of the invention
Technical problem solved by the invention is to provide a kind of T-shaped sleeve, be applied to industry and domestic water-supply pressure piping burst seepage time repairing pipeline with pressure, improve the application of straight tube pipeline patching device when the water mending-leakage of pressure piping top.
Technological scheme is as follows:
A kind of T-shaped sleeve, comprise the T-shaped sleeve split that two chip architectures are identical, the structure of described T-shaped sleeve split comprises two semicircular ring plate splits, two sleeve pipe splits, screw fastener and sleeve fastening screws; Described semicircular ring plate split is arranged on the end of described sleeve pipe split; Described screw fastener is arranged on the sidepiece edge of described sleeve pipe split, and described screw fastener has attachment hole, and described sleeve fastening screw is arranged on attachment hole.
Further: the outer wall of described sleeve pipe split is provided with fixing belt, the shape of described fixing belt and the shape of described sleeve pipe split adapt.
Further: described ring plate split is provided with horseshoe-shaped edge, or horseshoe-shaped draw-in groove is outputed in described ring plate split.
Further: the internal diameter of described ring plate split is identical with the external diameter of described sleeve pipe split.
Another technical problem solved by the invention is to provide a kind of pressure piping top water bucket patch device, be applied to industry and domestic water-supply pressure piping burst seepage time repairing pipeline with pressure, improve the application of straight tube pipeline patching device when the water mending-leakage of pressure piping top.
Technological scheme is as follows:
A kind of pressure piping top water bucket patch device, comprise four T-shaped sleeves, described T-shaped sleeve comprises the identical T-shaped sleeve split of two chip architectures; The structure of described T-shaped sleeve split comprises two semicircular ring plate splits, two sleeve pipe splits, screw fastener and sleeve fastening screws; Described semicircular ring plate split is arranged on the end of described sleeve pipe split; Described screw fastener is arranged on the sidepiece edge of described sleeve pipe split, and described screw fastener has attachment hole, and described sleeve fastening screw is arranged on attachment hole.
Further: the outer wall of described sleeve pipe split is provided with fixing belt, the shape of described fixing belt and the shape of described sleeve pipe split adapt.
Further: described ring plate split is provided with horseshoe-shaped edge, or horseshoe-shaped draw-in groove is outputed in described ring plate split.
Another technical problem solved by the invention is to provide a kind of pressure piping top water craft leakage mending method, be applied to industry and domestic water-supply pressure piping burst seepage time repairing pipeline with pressure, improve the application of straight tube pipeline patching device when the water mending-leakage of pressure piping top.
Technological scheme is as follows:
A kind of pressure piping top water craft leakage mending method, comprising:
Determine the mounting point of straight tube pipeline patching device, the pipeline of the both sides, mounting point of straight tube pipeline patching device is installed first set T-shaped sleeve respectively, between the T-shaped sleeve of first set and pipeline, leave axial clearance; Make the end face of T-shaped sleeve just to straight tube pipeline patching device direction;
In first set T-shaped sleeve both sides, the T-shaped sleeve of the second cover is installed respectively, the ring plate split of the T-shaped sleeve of the second cover is just to the ring plate split of the T-shaped sleeve of first set, the T-shaped sleeve of second cover is fastened on pipeline completely, between the second T-shaped sleeve of cover and the T-shaped sleeve of first set, places jack;
After the T-shaped sleeve of two covers is in place, in mounting point, straight tube pipeline patching device is installed, while fastening pipeline patching device bolt, pass the T-shaped sleeve of first set with jack, make the rubber glue sealing drum parallel docking of its end face and straight tube pipeline patching device, and make the end face of the T-shaped sleeve of first set withstand on seal ring, after pipeline patching device bolt is completely fastening, namely complete pipe pressurized top water plugging operation, retain the T-shaped sleeve of first set, remove the T-shaped sleeve of the second cover.
Further: described ring plate split is provided with horseshoe-shaped edge, or horseshoe-shaped draw-in groove is outputed in described ring plate split, jack is placed on edge or draw-in groove.
It is further: when explosion seepage occurs pressure piping, the operating pressure of water supply network is adjusted to the mode of low pressure operation, the way top water-band pressure adopting dunnage spile type hole groove to excavate excavates hole groove, after hole groove uses plate firm supporting, progressively clear up pipe penetration, make it possess the condition of installing straight tube pipeline patching device; According to the specifications and models of straight tube pipeline patching device, determine the mounting point of straight tube pipeline patching device, in straight tube pipeline patching device both sides, the T-shaped sleeve of first set is installed respectively subsequently.
Compared with prior art, the technology of the present invention effect comprises:
1, the present invention be applied to industry and domestic water-supply pressure piping explosion seepage time repairing pipeline with pressure, improve the application of straight tube pipeline patching device when the water mending-leakage of pressure piping top.
2, the present invention improves pipeline patching device rubber seal cylinder with fashion of extrusion, pressure piping top water bucket patch device can be shifted deflection angle, achieve when water supply network low pressure operation, pipeline patching device top water connects this breakthrough blocking Leakage service technique, has filled up the technological gap of pipe leakage top water maintenance.
3, use T-shaped sleeve, install straight tube pipeline patching device with fashion of extrusion, be that the technology of straight tube pipeline patching device when the water mending-leakage of pressure piping top extends, can promote the use of at industry-by-industry, economic benefit is very remarkable.
Accompanying drawing explanation
Fig. 1 is the structural representation of pressure piping top water bucket patch device in the present invention;
Fig. 2 is the using state schematic diagram of pressure piping top water bucket patch device in the present invention.
Embodiment
First the working principle of straight tube pipeline patching device is analyzed.The seal ring of straight tube pipeline patching device comprises the seal ring being arranged on both sides, is provided with the first Stamping Steel Ribbon and the second Stamping Steel Ribbon that connect end each other between seal ring, the position after the medial axis symmetry of seal ring and the position of the second Stamping Steel Ribbon not symmetrical.This setup of seal ring, the first Stamping Steel Ribbon and the second Stamping Steel Ribbon is made not exclusively to stick together when opposed installation or not stick together, sealing effect is realized by the respective outer side edges of the first Stamping Steel Ribbon, the second Stamping Steel Ribbon and straight tube pipeline patching device housing, the high voltage performance and water resistant hammer performance that improve straight tube pipeline patching device thus housing, the first Stamping Steel Ribbon and the second Stamping Steel Ribbon match, ensure that the sealability of straight tube pipeline patching device.
From straight tube pipeline patching device principle Analysis.The maximum license deflection angle of straight tube pipeline patching device rubber seal cylinder is 2 °, maximum license displacement is no more than 3 millimeters, these two parameters change by external force rectification, based on this principle, the present invention determines with correcting rubber sealing drum deflection angle as main direction, utilize external T-shaped sleeve extruding mode, when making pipeline there is pressure, utilize the water bucket patch device top water mending-leakage of pressure piping top.
As shown in Figure 1, be the structural representation of T-shaped sleeve in the present invention.
The structure of pressure piping top water bucket patch device comprises: four T-shaped sleeves, and each T-shaped sleeve comprises the identical T-shaped sleeve split of two chip architectures; The structure of each T-shaped sleeve split comprises: two semicircular ring plate splits, 1, two sleeve pipe splits 2, fixing belt 3, screw fastener 4, sleeve fastening screw 5, draw-in groove.
Semicircular ring plate split 1 arranges (welding) end in sleeve pipe split 2, fixing belt 3 arranges (welding) on the outer wall of sleeve pipe split 2 (in this preferred embodiment, the outer wall of sleeve pipe split 2 is welded with twice fixing belt 3), the internal diameter of ring plate split 1 is identical with the external diameter of sleeve pipe split 2, and the shape of fixing belt 3 and the shape of sleeve pipe split 2 adapt; Screw fastener 4 arranges (welding) sidepiece edge in sleeve pipe split 2, and screw fastener 4 has attachment hole, and sleeve fastening screw 5 is arranged on attachment hole.For the ease of fixed placement jack, ring plate split 1 arranges (welding) horseshoe-shaped edge, or in ring plate split 1, output horseshoe-shaped draw-in groove 6.
Sleeve fastening screw 5 adopts 8.8 grade high-strength bolts, one is to ensure that bolt keeps its tensile strength and yield strength in T-shaped sleeve loading process, ensures that the stability of process compressed into by workpiece, two is that sleeve fastening screw 5 repeat usage is higher, avoids unnecessary waste.
The working process of pressure piping top water bucket patch device is as follows:
1, select and the vertical masonry joint carbon steel steel pipe of pipeline patching device with footpath specification, vertical masonry joint carbon steel steel pipe is cut into four sections of steel pipe segmentations;
2, select carbon steel steel plate, from carbon steel steel plate incising circular ring, the internal diameter of circular ring is identical with the external diameter of steel pipe segmentation;
3, circular ring is welded on the end of steel pipe segmentation, longitudinal measure twice fixing belt 3 on the outer wall of steel pipe segmentation, fixing belt 3 is used for preventing sleeve from producing Young's modulus distortion when cutting;
4, along steel pipe segmentation central shaft, cut into two T-shaped sleeve splits by what be welded and fixed the steel pipe segmentation of band 3 and circular ring;
5, screw fastener 4 is welded respectively in two sidepiece edges of ring plate split 1;
The quantity of the attachment hole on screw fastener 4 is in the light of actual conditions chosen, and in this preferred embodiment, every a slice screw fastener 4 has two attachment holes.
6, cut out horseshoe-shaped edge at carbon steel steel plate, and edge is welded on the outer wall of ring plate split 1, form two T-shaped sleeve splits;
7, by two assembled docking of T-shaped sleeve split, on the attachment hole of both sides, difference installing sleeve fastening screw 5, forms T-shaped sleeve.
External T-shaped sleeve extruding, utilize end and the parallel docking of rubber seal cylinder of T-shaped sleeve exactly, the be shifted deflection angle of rubber seal cylinder is corrected with the equilibrant of sleeve ends and reaction force, it is made to play the effect of sealing current, reach when pressure piping explosion seepage, repair the object of pipeline with pipeline patching device top water.
T-shaped sleeve can be made into several according to pipeline patching device specification, uses, overhaul complete dismounting and return during Pipeline Leakage Point maintenance, can continue to reuse, reach the object of the little benefit that has high input during the maintenance of Pipeline Leakage Point mending-leakage next time.
As shown in Figure 2, be the using state schematic diagram of pressure piping top water bucket patch device in the present invention.
The concrete steps of pressure piping top water craft leakage mending method are as follows:
Step 1: the mounting point determining straight tube pipeline patching device 20, in the both sides, mounting point of straight tube pipeline patching device 1, the T-shaped sleeve of first set is installed respectively, leave axial clearance between the T-shaped sleeve of first set and pipeline, make the end face of T-shaped sleeve just to straight tube pipeline patching device direction;
When there is explosion seepage in pressure piping, only the operating pressure of water supply network need be adjusted to the mode of low pressure operation, maintainer adopts dunnage spile type to cheat the way of groove excavation, top water-band pressure excavates hole groove, after hole groove uses plate firm supporting, progressively clear up pipe penetration, make it possess the condition of installing straight tube pipeline patching device 20.
According to the specifications and models of straight tube pipeline patching device 20, determine the mounting point of straight tube pipeline patching device 20, subsequently at 100mm place, spacing straight tube pipeline patching device both sides, respectively the T-shaped sleeve of first set is installed.During installation, guarantee that the end face of T-shaped sleeve is just to straight tube pipeline patching device, simultaneously when fastening sleeve fastening screw 5,3 ~ 5 screw threads be reserved, under tightening state, have the axial clearance that can move forward to be advisable with T-shaped sleeve.
Step 2: install the T-shaped sleeve of the second cover respectively in first set T-shaped sleeve both sides, the T-shaped sleeve of the second cover is completely fastening, between the second T-shaped sleeve of cover and the T-shaped sleeve of first set, place jack 30;
Jack 30 is placed on edge or draw-in groove 6, and like this when not having the T-shaped sleeve of pushing tow first set, jack 30 is unlikely to drop.
After the T-shaped sleeve of first set installs, the T-shaped sleeve of second cover is installed, the ring plate split 1 of the T-shaped sleeve of the second cover is just to the ring plate split 1 of the T-shaped sleeve of first set, and be fastened on pipeline by the T-shaped sleeve of the second cover, and the distance between the T-shaped sleeve of first set is advisable can place jack 30.
Step 3: after the T-shaped sleeve of two covers is in place, in mounting point, straight tube pipeline patching device 20 is installed, while fastening pipeline patching device bolt, the T-shaped sleeve of first set is passed with jack 30, make the rubber glue sealing drum parallel docking of its end face and straight tube pipeline patching device, and making the end face of the T-shaped sleeve of first set withstand on seal ring (makes under the equilibrant and reaction force of T-shaped sleeve end face, the hlding part of straight tube pipeline patching device and hermetic unit are integrated), after pipeline patching device bolt is completely fastening, namely pipe pressurized top water plugging operation is completed, retain the T-shaped sleeve of first set, remove the second cover T-shaped sleeve and dismountable.
The pipeline patching device of installation is assisted by T-shaped sleeve, completely can when pressure piping low pressure operation, top water-band pressure completes the work of seepage blocking Leakage, the pipeline patching device installation time controls (not comprise groove and excavate the time) within 1.5 hours, can avoid affecting manufacturing mechanism because cutting off the water completely to stop production or half stopping production, direct economic benefit (for manufacturing mechanism water comprehensively measuring and calculating) more than 100,000 yuan.Show through the test of pressure piping seepage repairment, after the rubber seal cylinder face parallel docking of T-shaped sleeve end face and pipeline patching device, there are not the abnormal conditions such as pull-off, leakage, distortion under angular deflection 5 °, the effect of 0.5Mpa pressure, without abnormal conditions such as pull-off, leakage, distortion under the effect of journal offset 2mm, 0.5Mpa pressure, the seal ring pressure of pipeline patching device is significantly less than its limit of elasticity, ensure that seal action is directly proportional to pipeline pressure, therefore reach the requirement of durable, lasting reliable sealing for a long time.

Claims (3)

1. a pressure piping top water craft leakage mending method, comprising:
Determine the mounting point of straight tube pipeline patching device, the pipeline of the both sides, mounting point of straight tube pipeline patching device is installed first set T-shaped sleeve respectively, between the T-shaped sleeve of first set and pipeline, leave axial clearance; Make the end face of T-shaped sleeve just to straight tube pipeline patching device direction; T-shaped sleeve, comprises the T-shaped sleeve split that two chip architectures are identical, and the structure of T-shaped sleeve split comprises two semicircular ring plate splits, two sleeve pipe splits, screw fastener and sleeve fastening screws; Semicircular ring plate split is arranged on the end of sleeve pipe split; Screw fastener is arranged on the sidepiece edge of sleeve pipe split, and screw fastener has attachment hole, and sleeve fastening screw is arranged on attachment hole;
In first set T-shaped sleeve both sides, the T-shaped sleeve of the second cover is installed respectively, the ring plate split of the T-shaped sleeve of the second cover is just to the ring plate split of the T-shaped sleeve of first set, the T-shaped sleeve of second cover is fastened on pipeline completely, between the second T-shaped sleeve of cover and the T-shaped sleeve of first set, places jack;
After the T-shaped sleeve of two covers is in place, in mounting point, straight tube pipeline patching device is installed, while fastening pipeline patching device bolt, pass the T-shaped sleeve of first set with jack, make the rubber glue sealing drum parallel docking of its end face and straight tube pipeline patching device, and make the end face of the T-shaped sleeve of first set withstand on seal ring, after pipeline patching device bolt is completely fastening, namely complete pipe pressurized top water plugging operation, retain the T-shaped sleeve of first set, remove the T-shaped sleeve of the second cover.
2. pressure piping top water craft leakage mending method as claimed in claim 1, it is characterized in that: described ring plate split is provided with horseshoe-shaped edge, or horseshoe-shaped draw-in groove is outputed in described ring plate split, jack is placed on edge or draw-in groove.
3. pressure piping top water craft leakage mending method as claimed in claim 1, it is characterized in that: when explosion seepage occurs pressure piping, the operating pressure of water supply network is adjusted to the mode of low pressure operation, the way top water-band pressure adopting dunnage spile type hole groove to excavate excavates hole groove, after hole groove uses plate firm supporting, progressively clear up pipe penetration, make it possess the condition of installing straight tube pipeline patching device; According to the specifications and models of straight tube pipeline patching device, determine the mounting point of straight tube pipeline patching device, in straight tube pipeline patching device both sides, the T-shaped sleeve of first set is installed respectively subsequently.
CN201410088635.1A 2014-03-12 2014-03-12 Pressure piping top water craft leakage mending method Active CN103851301B (en)

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Application Number Priority Date Filing Date Title
CN201410088635.1A CN103851301B (en) 2014-03-12 2014-03-12 Pressure piping top water craft leakage mending method

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CN201410088635.1A CN103851301B (en) 2014-03-12 2014-03-12 Pressure piping top water craft leakage mending method

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CN103851301B true CN103851301B (en) 2016-04-20

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2731238Y (en) * 2004-07-28 2005-10-05 河北宝硕管材有限公司 Salvage joint for intermediate and larage diameter PE pipe line
RU2292512C1 (en) * 2004-07-07 2007-01-27 Дочерняя Компания "Укртрансгаз" Национальной Акционерной Компании "Нефтегаз Украины" Method of repairing rectilinear section of pipeline
CN101074755A (en) * 2007-04-03 2007-11-21 合肥通用机械研究院 Straight-pipe sectional band pressure leaking stoppage structure with circular crackle
CN201507759U (en) * 2009-09-25 2010-06-16 兖州煤业股份有限公司 Quick pipeline leak processor
CN202188265U (en) * 2011-05-30 2012-04-11 安徽省繁昌县皖南阀门铸造有限公司 Sealing aid repair section

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2292512C1 (en) * 2004-07-07 2007-01-27 Дочерняя Компания "Укртрансгаз" Национальной Акционерной Компании "Нефтегаз Украины" Method of repairing rectilinear section of pipeline
CN2731238Y (en) * 2004-07-28 2005-10-05 河北宝硕管材有限公司 Salvage joint for intermediate and larage diameter PE pipe line
CN101074755A (en) * 2007-04-03 2007-11-21 合肥通用机械研究院 Straight-pipe sectional band pressure leaking stoppage structure with circular crackle
CN201507759U (en) * 2009-09-25 2010-06-16 兖州煤业股份有限公司 Quick pipeline leak processor
CN202188265U (en) * 2011-05-30 2012-04-11 安徽省繁昌县皖南阀门铸造有限公司 Sealing aid repair section

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