CN106931273A - A kind of leak stoppers for pipe leakage - Google Patents
A kind of leak stoppers for pipe leakage Download PDFInfo
- Publication number
- CN106931273A CN106931273A CN201710104090.2A CN201710104090A CN106931273A CN 106931273 A CN106931273 A CN 106931273A CN 201710104090 A CN201710104090 A CN 201710104090A CN 106931273 A CN106931273 A CN 106931273A
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- Prior art keywords
- gear
- connecting rod
- pipe leakage
- top board
- leak
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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
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices 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
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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
- F16L55/18—Appliances for use in repairing pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a kind of leak stoppers for pipe leakage, it is characterised in that have：Gripping mechanism, including clamping is carried out so as to realize the clip of pipe plugging, for promoting the clip to be close to or the electric pushrod away from pipeline and the end plate for fixing the electric pushrod for the leakage part to pipeline；Lowering or hoisting gear, including be arranged under end plate top board, be connected under the top board and the bearing plate for lifting the connecting rod lifting mechanism of the top board and be connected under the connecting rod lifting mechanism；Whirligig, including be arranged under bearing plate rotating disk, be arranged under the rotating disk cross-arm, upper end through cross-arm center and be fixedly connected with rotating disk rotating shaft, be arranged under cross-arm and rotary electric machine that output end is connected with the lower end of rotating shaft；And mobile device, including base plate on the ground is set, guide rail on which floor plate, the sliding block being slidably mounted in the guide rail and the transmission mechanism for promoting the sliding block to be moved on guide rail are set.
Description
Technical field
The invention belongs to pipe-line maintenance field, it is related to a kind of leak stoppers for pipe leakage.
Background technology
As the long-distance sand transport of oil gas is more and more extensive, the end to pipe-line requires also more and more higher, contains
There is H2S natural gases are the important components of China's natural gas resource, and ordinary carbon steel tubing corrodes in this kind of peracidity environment
It is very serious, pitting corrosion can not only occur, and sulfide-stress cracking and hydrogen induced cracking (HIC) can occur, therefore pipeline can occur
Leakage, not only results in the waste of the energy, and the pollution of environment, it is also possible to lead to fire sets off an explosion and stops production, or even jeopardizes
Personal safety.The guarantee that leak stopping is oil-gas pipeline conveying job safety operation is carried out to pipeline.
Leak stopping is the big special seal technology of a comprehensive strong, accountability high, technical, and the approach of current leak stopping has many
Kind, using agent injecting type on-line pressure sealant technology, fixture is reasonably selected or manufactures in leakage position first, it is empty with its original sealing
Chamber, or a new sealing cavity is added in leakage position, fluid sealant is injected in annular seal space, reach the purpose stopped a leak；
Using steel band tightening techniques, steel band tightening techniques be it is outer force sealing gasket, make itself occur elasticity or plastic deformation,
Sealing is realized with plug leak mouthful, leak-stopping purpose is reached；Using wrapping bundling technique, wrapping bundling technique is using leak stopping material
The fixing and sealing characteristics of material completes the sealing to leakage hole, reaches leak-stopping purpose；Using the viscous benefit technology of cold welding, cold welding is viscous to be mended
Technology is to utilize chemical adhesive material (adhesive, sealant, fixing agent, healant etc.) by same material or dissimilar material joining
Together, with realize connection, sealing function a new technology；Using high frequency Caulking Technique, high frequency caulking leakage stopping technology is profit
High frequency percussion (about 1200 times/min) is carried out near leakage point with high frequency putty gun, metallic walls is occurred under shearing stress effect
Plastic deformation, is finally completed the sealing to leakage point.
To sum up, existing leakage stopping technology exposes many problems in applying at the scene, a part of leakage stopping technology be due to
Technology using the limitation of scope, constrains its popularization and application in pipe plugging in itself, and another part leakage stopping technology is to let out
Leak is operated, and there is potential safety hazard.
The content of the invention
To solve the above problems, present invention employs following technical scheme：
The invention provides a kind of leak stoppers for pipe leakage, it is characterised in that have：Gripping mechanism, including
For to pipeline leakage part carry out clamping so as to realize pipe plugging clip, for promote the clip near or away from
The electric pushrod of pipeline and the end plate for fixing the electric pushrod, the intrados of clip are affixed with the face of cylinder of pipeline
Close；Lowering or hoisting gear, including be arranged under end plate top board, be connected under the top board and for lifting the connecting rod lifting machine of the top board
Structure and the bearing plate being connected under the connecting rod lifting mechanism；Whirligig, including be arranged under bearing plate rotating disk, be arranged on
Cross-arm, upper end under the rotating disk through cross-arm center and be fixedly connected with rotating disk rotating shaft, be arranged under cross-arm and export
The rotary electric machine that end is connected with the lower end of rotating shaft；And mobile device, including base plate on the ground is set, the base plate is arranged on
On guide rail, the sliding block that is slidably mounted in the guide rail and the driver for promoting the sliding block to be moved on guide rail
Structure, sliding block is fixedly connected with cross-arm.
A kind of leak stoppers for pipe leakage that the present invention is provided, can also have the feature that：Wherein, connecting rod
Elevating mechanism includes two parallel scissor frame units being arranged between bearing plate and top board, connects two scissors respectively
First contiguous block and the second contiguous block of frame unit and through the rocking handle for setting first contiguous block and the second contiguous block, the
Through hole is provided with one contiguous block, internal thread hole is provided with the second contiguous block, one end of rocking handle is provided with and the second contiguous block
On internal thread hole coordinate screw thread.
A kind of leak stoppers for pipe leakage that the present invention is provided, can also have the feature that：Wherein, scissor
Frame unit includes that the support being arranged on bearing plate, connection hanger under the top plate and two are oppositely arranged on support and extension
Between frame and V-shaped link assembly.
A kind of leak stoppers for pipe leakage that the present invention is provided, can also have the feature that：Link assembly
Including two first connecting rods and second connecting rod of mutual forming V-shape, one end of first connecting rod be provided with partial gear and with branch
The upper end of frame is hinged, and one end of second connecting rod is provided with partial gear and is hinged with the lower end of hanger, first connecting rod it is another
One end is hinged with the other end of second connecting rod, the partial gear engagement in two link assemblies on corresponding first connecting rod, two
Partial gear engagement in individual link assembly on corresponding second connecting rod.
A kind of leak stoppers for pipe leakage that the present invention is provided, can also have the feature that：Wherein, it is driven
Mechanism is connected and the other end including gear assembly, the driving motor for driving the gear assembly and one end with gear assembly
Through the leading screw of sliding block, the screw thread of cooperation is respectively arranged with leading screw and sliding block.
A kind of leak stoppers for pipe leakage that the present invention is provided, can also have the feature that：Wherein, gear
Assembly includes the second sliding tooth that the first drive gear being connected with the output end of driving motor is engaged with first drive gear
The travelling gear that is engaged with the first drive gear and the second drive gear of wheel and be arranged on the travelling gear for stirring
The shift fork of travelling gear, travelling gear is different with engaging for the second drive gear from the engagement of the first drive gear and travelling gear
Step.
A kind of leak stoppers for pipe leakage that the present invention is provided, can also have the feature that：Wherein, cross-arm
Buphthalmos bearing is provided between rotating disk.
Invention effect and effect
A kind of leak stoppers for pipe leakage of the invention, due to using electric pushrod, can be away from letting out
The location point operation leak stopping of leakage, it is to avoid leak stopping is directly carried out to leakage position, it is ensured that personal safety；Due to using rotating dress
Put and lowering or hoisting gear, in the position of the position adjustments clip away from leakage, and same horizontal line can be in pipe leakage position
On；Due to using mobile device, can guarantee that clip can keep moving linearly along pipeline, clip is quickly moved into pipeline
Leak position, fast and effectively realizes the leak stopping to oil-gas pipeline, relieves potential safety hazard.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of leak stoppers for pipe leakage of the embodiment of the present invention；
Fig. 2 is a kind of structural representation of leak stoppers gripping mechanism for pipe leakage of the embodiment of the present invention；
Fig. 3 is a kind of structural representation of leak stoppers lowering or hoisting gear for pipe leakage of the embodiment of the present invention；
Fig. 4 is a kind of structural representation of leak stoppers whirligig for pipe leakage of the embodiment of the present invention；
Fig. 5 is a kind of structural representation of leak stoppers mobile device for pipe leakage of the embodiment of the present invention；
Fig. 6 is a kind of structural representation of leak stoppers gear drive for pipe leakage of the embodiment of the present invention
Figure；
Fig. 7 is a kind of structural representation of leak stoppers travelling gear for pipe leakage of the embodiment of the present invention.
Specific embodiment
Specific embodiment of the invention is illustrated below in conjunction with drawings and Examples.
<Embodiment>
Fig. 1 is a kind of dimensional structure diagram of leak stoppers for pipe leakage of the embodiment of the present invention.
As shown in figure 1, a kind of leak stoppers (hereinafter referred to as leak stoppers) 100 for pipe leakage that the present invention is provided
Including gripping mechanism 1, lowering or hoisting gear 2, whirligig 3, mobile device 4.
Fig. 2 is a kind of structural representation of leak stoppers gripping mechanism for pipe leakage of the embodiment of the present invention,
As shown in Fig. 2 gripping mechanism 1 includes being in circular arc clip 11, electric pushrod 12, end plate 13.
The intrados of clip 11 is fitted with the face of cylinder of pipeline, and clamping is carried out so as to reality for the leakage part to pipeline
Existing pipe plugging.
One end of electric pushrod 12 is connected with the extrados of the clip 11, for promoting clip 11 to be close to or away from pipe
Road.
The other end of electric pushrod 12 is fixedly connected on end plate 13.
Fig. 3 is a kind of structural representation of leak stoppers lowering or hoisting gear for pipe leakage of the embodiment of the present invention.
As shown in Figure 1, Figure 3, lowering or hoisting gear 2 includes top board 21, bearing plate 22, connecting rod lifting mechanism 23.
Top board 21 is connected under end plate 13, and bearing plate 22 is arranged on the lower section of top board 21, the connecting rod for lifting top board 21
Elevating mechanism 23 is connected between top board 21 and bearing plate 22.
Connecting rod lifting mechanism 23 includes two parallel scissor frame units being arranged between bearing plate 22 and top board 21
231st, the first contiguous block 232, the second contiguous block 233 and rocking handle 234.
First contiguous block 232, the second contiguous block 233 connect two scissor frame units 231, the first contiguous block respectively
Through hole is provided with 232, internal thread hole is provided with the second contiguous block 233.
One end of rocking handle 234 is provided with the screw thread coordinated with the internal thread hole on the second contiguous block 233, is set on rocking handle 234
Threaded one end is put after the first contiguous block 232 again through the second contiguous block 233, manually shake rocking handle 234, for making the
One contiguous block 232, the second contiguous block 233 near or away from.
Scissor frame unit 231 includes support 231a, hanger 231b and V-shaped link assembly 231c.
Support 231a is fixedly connected on bearing plate 22, and hanger 231b is fixedly connected under top board 21, two V-shaped companies
Bar assembly 231c is oppositely arranged between support 231a and hanger 231b.
Link assembly 231c includes two the first connecting rod 231d and second connecting rod 231e of mutual forming V-shape.
One end of first connecting rod 231d is provided with partial gear and is hinged with the upper end of support 231a, second connecting rod
One end of 231e is provided with partial gear and is hinged with the lower end of hanger 231b, the other end of first connecting rod 231d and second
The other end of connecting rod 231e is connected with corresponding first contiguous block 232, the second contiguous block 233 respectively after being hinged.
The partial gear engagement of corresponding first connecting rod 231d, two link assembly 231c in two link assembly 231c
In partial gear engagement on corresponding second connecting rod 231e.
It is close to the first contiguous block 232, the second contiguous block 233 or away from two in two link assembly 231c of cooperation
Between the partial gear of the engagement on the partial gear of the engagement on individual first connecting rod 231d and two second connecting rod 231e
Mutually rotate so that first connecting rod 231d and second connecting rod 231e in vertical rotation in surface so that top board 21 rise or
Decline.
Fig. 4 is a kind of structural representation of leak stoppers whirligig for pipe leakage of the embodiment of the present invention.
As Figure 1 and Figure 4, whirligig 3 includes rotating disk 31, cross-arm 32, rotating shaft 33 and rotary electric machine 34.
Rotating disk 31 is connected under bearing plate 22, and cross-arm 32 is arranged under rotating disk 31.
The upper end of rotating shaft 33 is fixedly connected through the center of cross-arm 32 and with rotating disk 31, and rotary electric machine 34 is arranged on cross-arm
Under, and the output end of rotary electric machine 34 is connected with the lower end of rotating shaft 33, is rotated for drive shaft 33, so as to drive rotating disk 31
Horizontal rotation.Buphthalmos bearing 35 is additionally provided between cross-arm 32 and rotating disk 31 in addition, for making rotating disk 31 be rotated on cross-arm 32
It is more smooth.
Fig. 5 is a kind of structural representation of leak stoppers mobile device for pipe leakage of the embodiment of the present invention.
As shown in Figure 1, shown in Figure 5, the mobile device 4 of the leak stoppers 100 of the present embodiment includes that base plate 41 is parallel with two
Mobile unit, each mobile unit includes guide rail 42, sliding block 43 and transmission mechanism 44.
Base plate 41 is set on the ground, and two parallel guide rails 42 are arranged on base plate 41.Two sliding blocks 43 can be slided respectively
It is arranged in corresponding guide rail 42 dynamicly, and two sliding blocks are fixedly connected with cross-arm 32 respectively.Transmission mechanism 44 is arranged on
One end of guide rail, for promoting sliding block 43 to be moved on guide rail 42.
Fig. 6 is a kind of structural representation of leak stoppers gear drive for pipe leakage of the embodiment of the present invention
Figure.
As shown in Figure 5, Figure 6, transmission mechanism 44 includes gear assembly 441, driving motor 442 and leading screw 443.
Gear assembly 441 includes first base 441a, second base 441b, main shaft 441c, the first drive gear 441d, pair
Axle 441e, the second drive gear 441f, supporting plate 441g, support shaft 441h, travelling gear 441i, swinging plate 441j, shift fork
441k。
First base 441a and second base 441b are disposed in parallel on base plate 41, and main shaft 441c is set parallel to guide rail 42
The 441a in first base, the first drive gear 441d is enclosed within main shaft 441c.
Countershaft 441e is arranged on second base 441b parallel to guide rail 42, and the second drive gear 441f is enclosed within the countershaft
441e is upper and is engaged with the first drive gear.
One end that the supporting plate 441g of L-shaped has horizontal part and vertical portion, supporting plate 441g vertical portions is connected to the first bottom
On seat 441a and second base 441b, support shaft 441h is arranged on the vertical portion of supporting plate 441g parallel to guide rail 42, and
One end of support shaft 441h is connected with one end of leading screw 443.
Fig. 7 is a kind of structural representation of leak stoppers travelling gear for pipe leakage of the embodiment of the present invention.
As shown in Figure 6, Figure 7, travelling gear 441i is enclosed within support shaft 441h, and with the first drive gear 441d,
Two drive gear 441f are engaged.
The centre of travelling gear 441i is additionally provided with the swinging plate 441j parallel to radial section, and the lower end of shift fork 441k is passed through
Be connected with swinging plate 441j after the horizontal part of perforating branches fagging 441g, for make travelling gear 441i and the first drive gear 441d,
The engagement of the second drive gear 441f is asynchronous.
The other end of leading screw 443 runs through sliding block 43, and the screw thread of cooperation is respectively arranged with leading screw 443 and sliding block 43.
The output end of driving motor 442 is connected with main shaft 441c, for drive gear assembly 441, so as to drive leading screw 443
Rotate, and then band movable slider 43 is moved on guide rail 42.
Controlling organization not shown in electric pushrod 12, rotary electric machine 34 and driving motor 442 and a figure is by wireless
Or wired connection, worked under the control of the controlling organization.
Below in conjunction with a kind of course of work of leak stoppers 100 for pipe leakage of brief description of the drawings the present embodiment.
As shown in figure 1, leak stoppers 100 are placed on the side of the oil-gas pipeline of horizontal positioned, by manual lifting device 2
In the controls connecting rod elevating mechanism 23 of rocking handle 234 lifting, so as to lift the gripping mechanism 1 on top board 21 and top board 21, that is, block
Hoop 11 obtains the movement on vertical direction.The position of clip 11 and the position of gas oil pipe leakage are adjusted in same horizontal linear
On.
Electric pushrod 12 is controlled by controlling organization, clip 11 is promoted near oil-gas pipeline.
The drive shaft 33 of rotary electric machine 34 in whirligig 4 is controlled to rotate by controlling organization, so as to drive rotating disk 31
Horizontally rotated with the lowering or hoisting gear 2 and gripping mechanism 1 on rotating disk 31, i.e., clip 11 obtains the rotation in horizontal direction.Regulation card
The intrados of hoop 11 is fitted with the face of cylinder of pipeline, and clip 11 is stuck in into the position away from gas oil pipe leakage.
The driving motor 442 in mobile device 1, drive gear assembly 441, so that silk are controlled by controlling organization again
Rectilinear movement of the thick stick 443 with sliding block 43 on guide rail 42, and then with whirligig 3, lowering or hoisting gear 2 and gripping mechanism 1
Moved along pipeline, clip 11 is just moved to the position of pipe leakage.Finally carry out leak stopping.
Embodiment is acted on and effect
According to a kind of leak stoppers for pipe leakage of the present embodiment, due to using electric pushrod, can away from
The location point operation leak stopping of leakage, it is to avoid leak stopping is directly carried out to leakage position, it is ensured that personal safety；Due to using rotation
Device and lowering or hoisting gear, in the position of the position adjustments clip away from leakage, and can be in same level with pipe leakage position
On line；Due to using mobile device, can guarantee that clip can keep moving linearly along pipeline, clip is quickly moved to pipeline
Leak position, fast and effectively realize the leak stopping to oil-gas pipeline.
In a word, a kind of leak stoppers for pipe leakage of the present embodiment, easy to operate, has saved resource, subtracts
Lack the pollution to environment, can effectively prevent blast, relieve potential safety hazard, can extensive use in pipe plugging.
Claims (7)
1. a kind of leak stoppers for pipe leakage, it is characterised in that have：
Gripping mechanism, including clamping is carried out so as to realize the clip of pipe plugging, be used for for the leakage part to the pipeline
The clip is promoted to be close to or the electric pushrod away from the pipeline and the end plate for fixing the electric pushrod, the card
The intrados of hoop fits with the face of cylinder of the pipeline；
Lowering or hoisting gear, including be arranged under the end plate top board, be connected under the top board and for lifting the connecting rod of the top board
Elevating mechanism and the bearing plate being connected under the connecting rod lifting mechanism；
Whirligig, including be arranged under the bearing plate rotating disk, be arranged under the rotating disk cross-arm, upper end run through the cross-arm
Center and be fixedly connected with the rotating disk rotating shaft, be arranged under the cross-arm and output end is connected with the lower end of the rotating shaft
Rotary electric machine；And
Mobile device, including base plate on the ground is set, guide rail on which floor plate is set, the guide rail is slidably mounted in
Interior sliding block and the transmission mechanism for promoting the sliding block to be moved on the guide rail, the sliding block are fixed with the cross-arm and connected
Connect.
2. a kind of leak stoppers for pipe leakage according to claim 1, it is characterised in that：
Wherein, the connecting rod lifting mechanism includes two parallel scissor frames being arranged between the bearing plate and the top board
Frame unit, the first contiguous block and the second contiguous block that connect two scissor frame units respectively and through set this first connect
The rocking handle of block and the second contiguous block is connect,
Through hole is provided with first contiguous block, internal thread hole is provided with second contiguous block,
One end of the rocking handle is provided with the screw thread coordinated with the internal thread hole on second contiguous block.
3. a kind of leak stoppers for pipe leakage according to claim 2, it is characterised in that：
Wherein, the scissor frame unit includes the support being arranged on the bearing plate, the hanger being connected under the top board
And two link assemblies be oppositely arranged between the support and the hanger and V-shaped.
4. a kind of leak stoppers for pipe leakage according to claim 3, it is characterised in that：
The link assembly includes two first connecting rods and second connecting rod of mutual forming V-shape,
One end of the first connecting rod is provided with partial gear and is hinged with the upper end of the support,
One end of the second connecting rod is provided with partial gear and is hinged with the lower end of the hanger,
The other end of the first connecting rod is hinged with the other end of the second connecting rod,
Partial gear engagement in two link assemblies on the corresponding first connecting rod,
Partial gear engagement in two link assemblies on the corresponding second connecting rod.
5. a kind of leak stoppers for pipe leakage according to claim 1, it is characterised in that：
Wherein, the transmission mechanism include gear assembly, the driving motor for driving the gear assembly and one end with it is described
Gear assembly is connected and the other end runs through the leading screw of the sliding block,
The screw thread of cooperation is respectively arranged with the leading screw and the sliding block.
6. a kind of leak stoppers for pipe leakage according to claim 5, it is characterised in that：
Wherein, the gear assembly includes the first drive gear being connected with the output end of the driving motor and first drive
The travelling gear that is engaged with first drive gear and second drive gear of second drive gear of moving gear engagement with
And it is arranged on the shift fork for stirring the travelling gear on the travelling gear,
Engaging for the travelling gear and first drive gear and nibbling for the travelling gear and second drive gear
Close asynchronous.
7. a kind of leak stoppers for pipe leakage according to claim 1, it is characterised in that：
Wherein, buphthalmos bearing is provided between the cross-arm and the rotating disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104090.2A CN106931273B (en) | 2017-02-24 | 2017-02-24 | A kind of leak stoppers for pipe leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104090.2A CN106931273B (en) | 2017-02-24 | 2017-02-24 | A kind of leak stoppers for pipe leakage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106931273A true CN106931273A (en) | 2017-07-07 |
| CN106931273B CN106931273B (en) | 2019-01-01 |
Family
ID=59424156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710104090.2A Expired - Fee Related CN106931273B (en) | 2017-02-24 | 2017-02-24 | A kind of leak stoppers for pipe leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931273B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109277768A (en) * | 2018-11-26 | 2019-01-29 | 国家电网有限公司 | A kind of storage station's penstock grouting hole plugging welding structure |
| CN110864183A (en) * | 2019-11-29 | 2020-03-06 | 宝泉安全防护用品(金华)有限公司 | Emergency device for repairing water leakage port of water hose for fire fighting |
| CN111300118A (en) * | 2020-03-09 | 2020-06-19 | 德州学院 | Automatic feeding device |
| CN112240450A (en) * | 2020-10-15 | 2021-01-19 | 上海理工大学 | Leakage stopping device for pipeline leakage |
| CN112377718A (en) * | 2020-09-24 | 2021-02-19 | 宁波市鄞州世纪耀达市政建设有限公司 | Trenchless pipeline repairing system and method thereof |
| CN113266723A (en) * | 2021-06-11 | 2021-08-17 | 上海乔智科技有限公司 | Quick plugging device of inspection shaft drainage pipe exempts from to descend |
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| CN204345165U (en) * | 2014-12-28 | 2015-05-20 | 漯河职业技术学院 | A kind of harmful gas pipe leakage emergency treatment plant |
| RU169580U1 (en) * | 2016-04-29 | 2017-03-23 | Публичное акционерное общество "Татнефть" им. В.Д. Шашина | PIPE LIFT FOR WELDING AND INSTALLATION |
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| CN201172523Y (en) * | 2007-12-20 | 2008-12-31 | 天津工业大学 | Barrel type containing, decompressing and plugging device of adjustable gantry frame |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277768A (en) * | 2018-11-26 | 2019-01-29 | 国家电网有限公司 | A kind of storage station's penstock grouting hole plugging welding structure |
| CN110864183A (en) * | 2019-11-29 | 2020-03-06 | 宝泉安全防护用品(金华)有限公司 | Emergency device for repairing water leakage port of water hose for fire fighting |
| CN110864183B (en) * | 2019-11-29 | 2021-05-25 | 宝泉安全防护用品(金华)有限公司 | Emergency device for repairing water leakage port of water hose for fire fighting |
| CN111300118A (en) * | 2020-03-09 | 2020-06-19 | 德州学院 | Automatic feeding device |
| WO2021179940A1 (en) * | 2020-03-09 | 2021-09-16 | 德州学院 | Automatic feeding device |
| CN112377718A (en) * | 2020-09-24 | 2021-02-19 | 宁波市鄞州世纪耀达市政建设有限公司 | Trenchless pipeline repairing system and method thereof |
| 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 |
| CN113266723A (en) * | 2021-06-11 | 2021-08-17 | 上海乔智科技有限公司 | Quick plugging device of inspection shaft drainage pipe exempts from to descend |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106931273B (en) | 2019-01-01 |
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