CN1635295A - Method and equipment for gas in salvage or perforation of gas plastic clad pipe with steel skeleton - Google Patents
Method and equipment for gas in salvage or perforation of gas plastic clad pipe with steel skeleton Download PDFInfo
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- CN1635295A CN1635295A CN 200410052117 CN200410052117A CN1635295A CN 1635295 A CN1635295 A CN 1635295A CN 200410052117 CN200410052117 CN 200410052117 CN 200410052117 A CN200410052117 A CN 200410052117A CN 1635295 A CN1635295 A CN 1635295A
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Abstract
This invention relates to gas steel rack plastic compound rush repair with gas or hole opening method and device, wherein the method comprises the following steps: a, using special devices to grind away pure plastic outer pipe wall and a layer of woof steel wire and longitude wire till the pure plastic inner pipe wall exposed; b, using special devices to inject plastic and seal the grinding groove; c, using special devices to cut down a section of pure plastic pipe and seal the two pipe mouths in cutting area by sealing gasbag; d, fixing connection gas pipe three-path pipe or short pipe on cutting area. The device comprises ring slide path, slider car, axis adjusting elements, gear element, motor, axis guide rails, radius adjusting elements, grinding and cutting device operation panel, injection plastic sealing device operation panel, grinding or cutting devices and injection and sealing devices.
Description
Technical field
The present invention relates to gas pipeline maintenance of equipment and method, particularly relate to the method and apparatus of a kind of combustion gas with steel skeleton plastic clad pipe on-line emergency repair or perforate.
Background technique
At present, gaseous fuels such as liquid gas, rock gas have been widely used in people's the life, and people have brought into use the combustion gas by line transportation in many cities.Existing gas pipeline all is to use inside to be provided with the plastic composite pipe of warp steel wire and parallel steel-wire carcass, and in actual the use, this composite pipe regular meeting causes the accident because a variety of causes causes fuel gas pipeline leakage.When fuel gas pipeline leakage takes place, need rush to repair immediately.For avoiding because of repairing stops air feed, need on-line emergency repair or band air to open hole usually, how to guarantee that Security and the agility with the air to open hole then is the problem that people need solve.Yet, still none overlaps the ripe band air to open hole of safety and the method and apparatus of repairing up to now, when fuel gas pipeline leakage takes place, usually all be that the maintainer rule of thumb adopts methods such as junior hacksaw, mill to carry out the on-line emergency repair operation, clearly, this operation is not only wasted time and energy, and might ignite combustion gas owing to be easy to produce spark in saw pipe process, so poor stability, inefficiency.
Summary of the invention
The present invention aims to provide the method for a kind of combustion gas with steel skeleton plastic clad pipe on-line emergency repair or perforate, with the safety reliability of raising composite fuel gas pipeline on-line emergency repair or perforate, and makes it efficient quick more.
The present invention also aims to provide a kind of easy operating and installation, high working efficiency, the safe and reliable combustion gas of the operation special device of steel skeleton plastic clad pipe on-line emergency repair or perforate under band gas situation.
For achieving the above object, the invention provides the method for a kind of combustion gas with steel skeleton plastic clad pipe on-line emergency repair or perforate, this method comprises the steps:
A, with the polishing of special-purpose rush repair equipment and cutting device to the leak of plastics composite fuel gas pipeline or the outer tube wall of desiring tapping with Steel Skeleton by outside to inside being rotated polishing, grind off pure plastic outer tube wall and one deck parallel steel wire and one deck warp steel wire, up to the inner tubal wall that exposes pure plastics;
B, the slot grinding that polishing forms is carried out injection moulding soldering and sealing, make the outer tube wall of welding bead height, grind off the part that welding bead is higher than outer tube wall with special-purpose rush repair equipment again a little more than gas pipeline with the injection moulding soldering installation of special-purpose rush repair equipment;
C, downcut one section pure plastic pipe at welding bead place, and be cut off two mouths of pipe at place, detecting operation scene gas concentration then with the shutoff immediately of shutoff air bag with the polishing of special-purpose rush repair equipment and cutting device;
D, be communicated with the three-way pipe or the short tube of gas pipeline in the installing of the incision position of gas pipeline, docking port carries out plastics soldering and sealing, take out the shutoff air bag from the arm of three-way pipe or the conveying end of short tube then, and on the arm of three-way pipe mounted valve or the mouth of pipe shut, simultaneously the shutoff air bag conveying end on the short tube is shut.
The present invention also provides the special device of realizing said method, and it comprises:
An annular slide track, it is formed by the identical two halves butt joint of shape;
One can be along the coaster of above-mentioned slideway operation, and it is rotationally connected with on the described annular slide track;
Axially adjust slide block assembly for one, it is movably connected on the coaster;
A gear assembly, it is connected with slideway and motor;
An axial slide rail, it is connected with slide block assembly;
Radially adjust assembly for one, it is connected with axial slide rail;
Polish and cutting device operation panel and the injection moulding soldering installation operation panel that can exchange with it for one, they are connected in radially adjusts on the assembly;
Polishing and cutting device and the injection moulding soldering installation that can exchange with it, they are contained on polishing and cutting device operation panel and the injection moulding soldering installation operation panel interchangeably,
Be socketed on the gas pipeline outside of being overhauled during the maintenance of above-mentioned annular slide track, coaster slides around slideway, and drives polishing and cutting device or injection moulding soldering installation and rotate synchronously around gas pipeline.
Annular slide track is made of two semicircular ring, be provided with a protruding position in an end end of per half annular slide track, its the other end end is provided with a groove, on protruding position, reach the groove both sides and be provided with pin shaft hole, the two halves annular slide track by with its separately the groove that embeds in second half annular slide track of the protruding position of end dock, pass the pin shaft hole on the two halves annular slide track and connect the two halves annular slide track in aggregates with bearing pin again; Outer surface central authorities at annular slide track are provided with an annular guide channel.
Coaster is the arc tabular body that matches with the annular slide track external surface shape, and its place, four angles respectively is provided with a limiting stopper, and its plate face is provided with coupling shaft to adjusting the attachment hole that slide block assembly is used.
Axially adjust slide block assembly comprise can axially movable slide block, adjust nut and adjust screw mandrel, wherein, slide block is the uncovered U-groove bevel shape body of a side, is provided with the slide rail attachment hole with the open-mouth end opposing sideplates, slider bottom is provided with axial slide; Adjust the open-mouth end that nut is fixed in slide block; Adjust screw mandrel and be connected with the adjustment nut thread, its front end withstands on the side plate of slide block.
Gear assembly comprises gearwheel, small gear and small gear anticreep baffle plate, wherein, gearwheel is made of two identical semi-annular shape gears of shape, and they are fixed in the side of annular slide track when maintenance, and it is provided with recessed small gear anticreep baffle plate confined planes by annular slide track one side margin; Small gear is contained on the motor shaft, and is meshed with gearwheel; Small gear anticreep baffle plate is fixed in the small gear side, and its edge places on the confined planes of gearwheel.
Axially slide rail is at one end to be formed by connecting by two slide rails, and its connecting end is provided with block-shaped protrusion, and projection is provided with radially screw, and the outer ledge of projection is provided with the lifting chute, and the slide rail attachment hole on the slide block is passed at the two end part of slide rail, and fixes with contiguous block.
Radially adjust assembly and comprise lift adjustment screw, lifting board and connecting plate, wherein, the lift adjustment screw is threaded with the radially screw of slide rail, and its lower end is connected with connecting plate; Slide rail one side of leaning on of lifting board is provided with the strip slide block that protrudes from the plate face, and its plate face is provided with two vertical grooves and a plurality of adjustment holes adjusted, and the slide block of lifting board inserts in the lifting chute of slide rail slidably, and its lower end is connected with connecting plate.
Polishing and cutting device operation panel are provided with a plurality of adjustment holes and mounting blocks attachment hole, and its front end end is fixed with mounting blocks with bolt through attachment hole, on the described mounting blocks locating rule is housed, and locating rule is equipped with adjusting screw; Injection moulding soldering installation operation panel is provided with a plurality of adjustment holes.
Polishing and cutting device are wheel sanders, and grinding wheel and cutting blade on it are interchangeable; Described injection moulding soldering installation is a plastic welding gun.
The present invention has thoroughly changed the method that traditional experience by the maintainer is rushed to repair.The present invention has implemented to grind off parallel steel wire and warp steel wire in the composite pipe with sanding apparatus according to the structure of the plastics composite fuel gas pipeline with Steel Skeleton, the part of will polishing becomes excises behind the pure plastic pipe and effective procedure such as replacing again, therefore eliminate the possibility that produces spark in the repairing process fully, guaranteed the Security of repairing.Also because method of the present invention can be undertaken by a cover special device, therefore improved working efficiency greatly, alleviated labor intensity of operating personnel, compared with conventional method, method of the present invention can be saved the repairing time over half.Special device of the present invention also has the installation of being easy to, and is easy and simple to handle, is convenient to characteristics such as standardized operation.The invention enables the leakage of gas pipeline can obtain repairing safe and efficiently.
Description of drawings
Fig. 1 is the special device parts exploded perspective schematic representation that polishing and cutting device are housed of the present invention.
Fig. 2 is the overall structure schematic representation of equipment shown in Figure 1, and wherein, Fig. 2 A is the equipment plan view, and Fig. 2 B is the side view of Fig. 2 A, and Fig. 2 C is the plan view of Fig. 2 A.
Fig. 3 is the special device parts exploded perspective schematic representation that the injection moulding soldering installation is housed of the present invention.
Fig. 4 is the overall structure schematic representation of equipment shown in Figure 3, and wherein, Fig. 4 A is the equipment plan view, and Fig. 4 B is the side view of Fig. 4 A, and Fig. 4 C is the plan view of Fig. 4 A.
Embodiment
Combustion gas of the present invention comprises the steps: with the method for steel skeleton plastic clad pipe on-line emergency repair or perforate
A, as Fig. 2 A～2C, special-purpose rush repair equipment is contained in the leak of gas pipeline 100 or desires tapping, polishing and cutting device 91 are moved along annular slide track 10 rotations that are fixed on the pipeline, by its grinding wheel to the leak of composite fuel gas pipeline or the outer tube wall of desiring tapping by outside to inside being rotated polishing, at first grind off pure plastic outer tube wall up to exposing first layer parallel steel wire, then grind off the parallel steel wire, and be polished to and expose the warp steel wire, polish off the warp steel wire again, up to the inner tubal wall that exposes pure plastics, the purpose of this step is parallel steel wire and the warp steel wire that polishes off in the composite fuel gas pipeline, the inner tubal wall that only keeps the pure plastics of one deck is prepared for the composite fuel gas pipeline that makes the polishing section becomes pure plastic pipe.
B, pull down the polishing and cutting device 91, change injection moulding soldering installation 92, the injection moulding soldering installation is moved along annular slide track 10 rotations, the slot grinding that polishing is formed carries out injection moulding soldering and sealing, makes welding fluid fill with whole slot grinding, and makes the outer tube wall of welding bead height a little more than gas pipeline, change polishing and cutting device 91 again, grind off the part that welding bead is higher than outer tube wall with it, on multiple tube, formed the pipeline of one section pure plastics, for the no-spark cutting is got ready by this step.
C, unload the polishing and cutting device on grinding wheel, and change cutting blade, to polish and cutting device moves along annular slide track 10 rotation, downcut one section pure plastic pipe at welding bead place, and be cut off two mouths of pipe at place with the shutoff immediately of shutoff air bag, in case gas leakage, and dispel inflammable gas in the operation hole with pressurized air, smell quick instrument and low density with high density then and smell the on-the-spot gas concentration of quick instrument detecting operation, carry out next step after meeting safety requirement.
D, unload special-purpose rush repair equipment, the three-way pipe or the short tube that are communicated with gas pipeline in the incision position installing of gas pipeline, and docking port carries out plastics soldering and sealing, take out the shutoff air bag from the arm of three-way pipe or the conveying end of short tube then, and on the arm of three-way pipe mounted valve or the mouth of pipe shut, simultaneously the shutoff air bag conveying end on the short tube is shut, so far, on-line emergency repair of the present invention or perforate process are finished.
Method of the present invention realizes by special device, as shown in Figure 1, this equipment comprises annular slide track 10, coaster 20, axially adjust slide block assembly 30, gear assembly 40, motor 50, axial slide rail 60, radially adjust assembly 70, polishing and cutting device operation panel 81, injection moulding soldering installation operation panel 82, polishing and cutting device 91, injection moulding soldering installation 92, wherein, annular slide track 10 is made of two identical semicircular ring of shape, be provided with the protruding position 11 of an arc surfaced in an end end of per half annular slide track, its the other end end is provided with a groove 12 that matches with the protruding position shape of second half annular slide track, on protruding position 11 and groove 12 both sides be provided with pin shaft hole 13.In use, with the two halves annular slide track that separates to being placed in the gas pipeline outside, by with its separately the groove 12 that embeds in second half annular slide tracks of the protruding position 11 of end dock, pass the pin shaft hole 13 on the two halves annular slide track with bearing pin 14 again and the two halves annular slide track is connected in aggregates, be fixed in the gas pipeline outside.Outer surface central authorities at annular slide track are provided with an annular guide channel 15, are used for for the coaster operation.Described coaster 20 is the arc tabular bodys that match with annular slide track 10 external surface shape, its place, four angles respectively is provided with a limiting stopper that protrudes out 21 downwards, its plate face is provided with coupling shaft to the attachment hole 22 of adjusting slide block assembly 30 usefulness, and its bottom center is provided with directional post 23.This coaster is contained on the described annular slide track 10 rotationally, and the limiting stopper 21 at its four angles is stuck in the bi-side of annular slide track, in the annular guide channel 15 that the directional post 23 of its bottom center inserts on the annular slide track.During work, coaster 20 can slide along above-mentioned annular slide track 10.Described axial adjustment slide block assembly 30 comprises can axially movable slide block 31, adjust nut 32 and adjust screw mandrel 33, wherein, slide block 31 is the uncovered U-groove bevel shape body of a side, be provided with slide rail attachment hole 311 with open-mouth end opposing sideplates 313, slider bottom is provided with axial slide 314 (seeing Fig. 2 C), and axial slide 314 and supratrochlear attachment hole 22 that slide block 31 usefulness screws pass its bottom flexibly connect with coaster.Adjust the open-mouth end that screw that nut 32 usefulness screws pass its two ends is fixed in slide block 31, adjusting screw mandrel 33 is connected with the adjustment nut thread, its front end withstands on the side plate 313 of slide block, turn and adjust screw mandrel and can drive slide block 31 and move vertically, to regulate the position of polishing and cutting device and injection moulding soldering installation.Described gear assembly 40 comprises gearwheel 41, small gear 42 and small gear anticreep baffle plate 43, wherein, gearwheel 41 is made of two identical semi-annular shape gears of shape, they are docked to the gas pipeline outside when maintenance, and be screwed in the side of annular slide track 10, it is provided with recessed annular small gear anticreep baffle plate confined planes 411 by annular slide track one side margin.Small gear 42 is contained on the motor shaft 51, and is meshed with gearwheel.Small gear anticreep baffle plate 43 is diameter circular tabular bodys greater than small gear, and it is fixed in the small gear side, and its edge places on the confined planes 411 of gearwheel, is used to prevent that small gear is from axially deviating from.Above-mentioned gearwheel is fixed, and small gear then can rotate around gearwheel.Described motor 50 adopts commercially available micro motor, and it is screwed on motor cabinet 52, and motor cabinet then is fixed on the axial slide rail 60 by its axial bore 521 by top.Described axial slide rail 60 is at one end to be formed by connecting by two slide rails 61, its connecting end is provided with block-shaped protrusion 62, and projection is provided with radially screw 621, and the outer ledge of projection 62 is provided with lifting chute 622, the slide rail attachment hole 311 on the slide block 31 is passed at the two end part of slide rail, and fixing with contiguous block 63.When doing axially to adjust, drive slide rail 60 simultaneously and move axially by 33 pairs of slide blocks of adjustment screw mandrel 31.The described assembly 70 of radially adjusting comprises lift adjustment screw 71, lifting board 72 and connecting plate 73, and wherein, lift adjustment screw 71 is threaded with the radially screw 621 of slide rail 61, and its lower end is connected with connecting plate 73, is used to adjust the lifting of lifting board 72.Slide rail one side of leaning on of lifting board 72 is provided with the strip slide block 721 that protrudes from the plate face, its plate face is provided with two vertical groove 722 and a plurality of adjustment holes 723 adjusted, the slide block 721 of lifting board inserts in the lifting chute 622 of slide rail 61 slidably, and its lower end is connected with connecting plate 73 with screw.Rotating lift adjustment screw 71 can make lifting board 72 slide up and down along the lifting chute 622 of slide rail 61.Described polishing and cutting device operation panel 81 are the bar shaped tabular body, which is provided with a plurality of adjustment holes 811 and mounting blocks attachment hole 812, its front end end is fixed with mounting blocks 813 with bolt through attachment hole 812, and locating rule 814 is housed on the described mounting blocks, and locating rule is equipped with adjusting screw 815.In use, can select a suitable hole with bolt lifting board and operation panel to be rotatably connected from a plurality of adjustment hole 723,811 of lifting board 72 and operation panel 81 and be in the same place, operation panel can rotate around connecting bolt.Described injection moulding soldering installation operation panel 82 also is the bar shaped tabular body, which is provided with a plurality of adjustment holes 821.It is rotatably connected together with bolt and lifting board 72.Polishing and cutting device operation panel 81 can exchange in different steps when rushing to repair operation with injection moulding soldering installation operation panel 82.Described polishing and cutting device 91 are wheel sanders, and grinding wheel and cutting blade on it are interchangeable, and polishing and cutting device 91 are fixing by anchor clamps 911, and anchor clamps are then fixing with polishing and 81 welding of cutting device operation panel.Injection moulding soldering installation 92 is a plastic welding gun, and it is fixing by anchor clamps 921, and 921 of anchor clamps are fixing with 82 welding of injection moulding soldering installation operation panel.Polishing and cutting device 91 can exchange in different steps when rushing to repair operation with injection moulding soldering installation operation panel 92.
Claims (10)
1, a kind of combustion gas is characterized in that with the method for steel skeleton plastic clad pipe on-line emergency repair or perforate this method comprises the steps:
A, with the polishing of special-purpose rush repair equipment and cutting device to the leak of plastics composite fuel gas pipeline or the outer tube wall of desiring tapping with Steel Skeleton by outside to inside being rotated polishing, grind off pure plastic outer tube wall and one deck parallel steel wire and one deck warp steel wire, up to the inner tubal wall that exposes pure plastics;
B, the slot grinding that polishing forms is carried out injection moulding soldering and sealing, make the outer tube wall of welding bead height, grind off the part that welding bead is higher than outer tube wall with special-purpose rush repair equipment again a little more than gas pipeline with the injection moulding soldering installation of special-purpose rush repair equipment;
C, downcut one section pure plastic pipe at welding bead place, and be cut off two mouths of pipe at place, detecting operation scene gas concentration then with the shutoff immediately of shutoff air bag with the polishing of special-purpose rush repair equipment and cutting device;
D, be communicated with the three-way pipe or the short tube of gas pipeline in the installing of the incision position of gas pipeline, docking port carries out plastics soldering and sealing, take out the shutoff air bag from the arm of three-way pipe or the conveying end of short tube then, and on the arm of three-way pipe mounted valve or the mouth of pipe shut, simultaneously the shutoff air bag conveying end on the short tube is shut.
2, a kind of equipment of realizing the described method of claim 1 is characterized in that it comprises:
An annular slide track (10), it is formed by the identical two halves butt joint of shape;
One can be along the coaster (20) of above-mentioned slideway operation, and it is rotationally connected with on the described annular slide track (10);
Axially adjust slide block assembly (30) for one, it is movably connected on the coaster (20);
A gear assembly (40), it is connected with slideway (10) and motor (50);
An axial slide rail (60), it is connected with slide block assembly (30);
Radially adjust assembly (70) for one, it is connected with axial slide rail (60);
Polish and cutting device operation panel (81) and the injection moulding soldering installation operation panel (82) that can exchange with it for one, they are connected in radially adjusts on the assembly (70);
Polish and cutting device (91) and the injection moulding soldering installation (92) that can exchange with it for one, they are contained on polishing and cutting device operation panel (81) and the injection moulding soldering installation operation panel (82) interchangeably,
Above-mentioned annular slide track (10) maintenance the time is socketed on the gas pipeline outside of being overhauled, and coaster (20) slides around slideway (10), and drives polishing and cutting device (91) or injection moulding soldering installation (92) and rotate synchronously around gas pipeline.
3, equipment as claimed in claim 2, it is characterized in that, described annular slide track (10) is made of two semicircular ring, be provided with a protruding position (11) in an end end of per half annular slide track, its the other end end is provided with a groove (12), upward reach groove (12) both sides in protruding position (11) and be provided with pin shaft hole (13), the two halves annular slide track by with its separately the groove (12) that embeds in second half annular slide track of the protruding position (11) of end dock, pass pin shaft hole (13) on the two halves annular slide track and the connection of two halves annular slide track is in aggregates with bearing pin 14 again; Outer surface central authorities at annular slide track are provided with an annular guide channel (15).
4, equipment as claimed in claim 2, it is characterized in that, described coaster (20) is the arc tabular body that matches with annular slide track (10) external surface shape, its place, four angles respectively is provided with a limiting stopper (21), and its plate face is provided with coupling shaft to the attachment hole (22) of adjusting slide block assembly (30) usefulness.
5, equipment as claimed in claim 2, it is characterized in that, described axial adjustment slide block assembly (30) comprises can axially movable slide block (31), adjust nut (32) and adjust screw mandrel (33), wherein, slide block (31) is the uncovered U-groove bevel shape body of a side, be provided with slide rail attachment hole (311) with open-mouth end opposing sideplates (313), slider bottom is provided with axial slide; Adjust the open-mouth end that nut (32) is fixed in slide block (31); Adjust screw mandrel (33) and be connected with the adjustment nut thread, its front end withstands on the side plate (313) of slide block.
6, equipment as claimed in claim 2, it is characterized in that, described gear assembly (40) comprises gearwheel (41), small gear (42) and small gear anticreep baffle plate (43), wherein, gearwheel (41) is made of two identical semi-annular shape gears of shape, they are fixed in the side of annular slide track (10) when maintenance, it is provided with recessed small gear anticreep baffle plate confined planes (411) by annular slide track one side margin; Small gear (42) is contained on the motor shaft (51), and is meshed with gearwheel; Small gear anticreep baffle plate (43) is fixed in the small gear side, and its edge places on the confined planes (411) of gearwheel.
7, equipment as claimed in claim 2, it is characterized in that, described axial slide rail (60) is at one end to be formed by connecting by two slide rails (61), its connecting end is provided with block-shaped protrusion (62), projection is provided with radially screw (621), the outer ledge of projection is provided with lifting chute (622), and the slide rail attachment hole (311) on the slide block (31) is passed at the two end part of slide rail, and fixing with contiguous block (63).
8, equipment as claimed in claim 2, it is characterized in that, the described assembly (70) of radially adjusting comprises lift adjustment screw (71), lifting board (72) and connecting plate (73), wherein, lift adjustment screw (71) is threaded with the radially screw (621) of slide rail (61), and its lower end is connected with connecting plate (73); Slide rail one side of leaning on of lifting board (72) is provided with the strip slide block (721) that protrudes from the plate face, its plate face is provided with two vertical groove (722) and a plurality of adjustment holes (723) adjusted, the slide block of lifting board (721) inserts in the lifting chute (622) of slide rail (61) slidably, and its lower end is connected with connecting plate (73).
9, equipment as claimed in claim 2, it is characterized in that, described polishing and cutting device operation panel (81) are provided with a plurality of adjustment holes (811) and mounting blocks attachment hole (812), its front end end is fixed with mounting blocks (813) with bolt through attachment hole (812), locating rule (814) is housed on the described mounting blocks, and locating rule is equipped with adjusting screw (815); Injection moulding soldering installation operation panel (82) is provided with a plurality of adjustment holes (821).
10, equipment as claimed in claim 2 is characterized in that, described polishing and cutting device (91) are wheel sanders, and grinding wheel and cutting blade on it are interchangeable; Described injection moulding soldering installation (92) is a plastic welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100521170A CN100335837C (en) | 2004-11-04 | 2004-11-04 | Method and equipment for gas in salvage or perforation of gas plastic clad pipe with steel skeleton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100521170A CN100335837C (en) | 2004-11-04 | 2004-11-04 | Method and equipment for gas in salvage or perforation of gas plastic clad pipe with steel skeleton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1635295A true CN1635295A (en) | 2005-07-06 |
| CN100335837C CN100335837C (en) | 2007-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100521170A Expired - Fee Related CN100335837C (en) | 2004-11-04 | 2004-11-04 | Method and equipment for gas in salvage or perforation of gas plastic clad pipe with steel skeleton |
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| Country | Link |
|---|---|
| CN (1) | CN100335837C (en) |
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| CN102000928A (en) * | 2009-09-01 | 2011-04-06 | 上海宣邦金属新材料科技有限公司 | Portable pipeline automatic circumferential walking device and pipeline processing method |
| CN102000928B (en) * | 2009-09-01 | 2014-05-07 | 上海宣邦金属新材料科技有限公司 | Portable pipeline automatic circumferential walking device and pipeline processing method |
| CN101846216A (en) * | 2010-07-12 | 2010-09-29 | 中国化学工程第四建设公司 | Construction method for connecting natural gas pipelines with gas |
| CN105946213A (en) * | 2016-06-15 | 2016-09-21 | 隋为民 | Manufacturing method and equipment for tube fuse seal of plastic composite tube of steel framework |
| CN106825746A (en) * | 2016-12-30 | 2017-06-13 | 安徽谢佑圣电子科技有限公司 | A kind of circulator |
| CN106903371A (en) * | 2016-12-30 | 2017-06-30 | 安徽谢佑圣电子科技有限公司 | A kind of cutting machine |
| CN106801767A (en) * | 2017-01-18 | 2017-06-06 | 上海理工大学 | Pipeline wrapping ties up sealing device |
| CN106870870A (en) * | 2017-01-18 | 2017-06-20 | 上海理工大学 | For the device for plugging of straight pipeline leakage |
| CN106885095A (en) * | 2017-02-14 | 2017-06-23 | 上海理工大学 | Suspension type pipeline on-line pressure sealant device |
| CN108436597A (en) * | 2018-05-17 | 2018-08-24 | 哈尔滨工程大学 | Deep underwater pipes work tool |
| CN110560845A (en) * | 2019-09-18 | 2019-12-13 | 中国核动力研究设计院 | remote visual pipeline all-position automatic argon arc welding device |
| CN110560845B (en) * | 2019-09-18 | 2021-06-11 | 中国核动力研究设计院 | Remote visual pipeline all-position automatic argon arc welding device |
| CN111673153A (en) * | 2020-06-05 | 2020-09-18 | 华创天元实业发展有限责任公司 | On-site sealing and pipe breaking equipment and method for steel-plastic composite pipeline |
| CN112240450A (en) * | 2020-10-15 | 2021-01-19 | 上海理工大学 | Leakage stopping device for pipeline leakage |
| CN112240450B (en) * | 2020-10-15 | 2022-03-29 | 上海理工大学 | Leakage stopping device for pipeline leakage |
| CN113894557A (en) * | 2021-10-21 | 2022-01-07 | 浙江传播者金属装饰材料有限公司 | Manufacturing equipment of three-way steel pipe |
| CN113878163A (en) * | 2021-12-08 | 2022-01-04 | 水清华(天津)环保科技有限公司 | Large-diameter metal pipeline cutting device |
| CN113878163B (en) * | 2021-12-08 | 2022-02-25 | 水清华(天津)环保科技有限公司 | Large-diameter metal pipeline cutting device |
| CN114161158A (en) * | 2021-12-23 | 2022-03-11 | 武汉誉城千里建工有限公司 | Bypass and tee joint welding tool for emergency repair of gas pipeline without stopping transportation |
| CN114161158B (en) * | 2021-12-23 | 2022-12-09 | 武汉誉城千里建工有限公司 | Bypass and tee joint welding tool for emergency repair of gas pipeline without stopping transportation |
| CN116792601A (en) * | 2023-08-25 | 2023-09-22 | 水发能源集团有限公司 | Plugging device for gas pipeline |
| CN116792601B (en) * | 2023-08-25 | 2023-11-03 | 水发能源集团有限公司 | Plugging device for gas pipeline |
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