CN111963812A - Plugging device for pressure pipeline - Google Patents
Plugging device for pressure pipeline Download PDFInfo
- Publication number
- CN111963812A CN111963812A CN202011151857.5A CN202011151857A CN111963812A CN 111963812 A CN111963812 A CN 111963812A CN 202011151857 A CN202011151857 A CN 202011151857A CN 111963812 A CN111963812 A CN 111963812A
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- fixedly connected
- left end
- inflator pump
- mounting disc
- pressure
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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
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a plugging device of a pressure pipeline, which comprises a mounting disc, a fixing frame, a high-pressure pipe, a connecting pipe, a fixing block, an inflator pump, an inflation valve, an air suction valve, an air bag and a water outlet, wherein the fixing frame is fixedly connected to the outer side of the mounting disc, the high-pressure pipe is connected to the left end of the mounting disc in a clamping mode, the connecting pipe is fixedly connected to the inner portion of the mounting disc, the fixing block is fixedly connected to the inner portion of the connecting pipe, the inflator pump is fixedly connected to the inner portion of the fixing block, the air suction valve is fixedly connected to the inner portion of the upper end of the inflator pump, the air bag is fixedly connected to the left end of the inflator pump through threads, the water outlet is formed in the mounting disc. The invention relates to a plugging device for a pressure pipeline, which has the characteristics of being capable of quickly connecting pipelines of various types and plugging the pipelines in the pipelines.
Description
Technical Field
The invention belongs to the technical field of pressure pipelines, and particularly relates to a plugging device for a pressure pipeline.
Background
Pressure pipes are understood in a broad sense to mean all pipes which are subjected to an internal or external pressure, irrespective of the medium in the pipe. The pressure pipeline is a part of the pipeline, the pipeline is used for conveying, distributing, mixing, separating, discharging, metering, controlling and stopping fluid flow, an assembly composed of pipes, pipe fittings, flanges, bolt connections, gaskets, valves, other components or pressed components and supporting parts is required to be used for plugging a pipeline opening by using a plugging device when the pressure pipeline is repaired, but the current plugging device has some problems: 1. the connection mode is mostly bolt connection, the connection process is too complicated, and the model of the connection pipeline is too single; 2. the pipeline is only plugged at the pipeline opening, so that the phenomenon of leakage can occur after plugging is easily caused, and the pipeline is inconvenient to remove. Therefore, it is necessary to design a pressure pipeline plugging device.
Disclosure of Invention
The present invention is directed to solving the above problems by providing a pressure pipeline plugging device that solves the problems noted in the background.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a pipeline under pressure's plugging device, includes mounting disc, mount, high-pressure pipe, connecting pipe, fixed block, inflator pump, inflation valve, suction valve, gasbag and outlet, the outside fixedly connected with mount of mounting disc, the left end joint of mounting disc has the high-pressure pipe, the inside fixedly connected with connecting pipe of mounting disc, the inside fixedly connected with fixed block of connecting pipe, the inside fixedly connected with inflator pump of fixed block, the inside fixedly connected with inflation valve of inflator pump, the inside fixed cover of the upper end of inflator pump has the suction valve, there is the gasbag at the left end of inflator pump through threaded connection, the outlet has been seted up on the mounting disc, the mounting disc is made by stainless steel material.
Preferably, the fixing frame is internally provided with a positioning hole, the positioning hole is internally and slidably connected with a screw rod, the outer side of the screw rod is fixedly connected with a shaft sleeve, the outer side of the shaft sleeve is rotatably connected with a clamping block, the outer side of the right end of the screw rod is connected with a nut through threads, the left end of the nut is in contact connection with the right end of the fixing frame, the inner side of the clamping block is bonded with an anti-slip pad, the right end of the anti-slip pad is connected with the left end of the high-pressure pipe through friction force extrusion, the clamping block is L-shaped, the positioning holes are multiple, and the positioning holes are uniformly distributed on the fixing frame.
Preferably, the inside fixedly connected with sealing washer of inflator pump, the inside sliding connection of sealing washer has the slide bar, the right-hand member fixedly connected with handle of slide bar, the left end fixedly connected with sealing block of slide bar, the outside of sealing block with the inboard sliding connection of inflator pump, the inside bonding of the left end of inflator pump has the rubber circle, the left end of rubber circle with the right-hand member contact of gasbag is connected, the gas pocket has been seted up to the inside of inflator pump.
As preferred, the inside fixedly connected with gas tube of inflation valve, the inside fixedly connected with air inlet of gas tube is one, venthole one has been seted up on the gas tube, the quantity of venthole one is a plurality of, and is a plurality of venthole one the lateral wall evenly distributed of gas tube, the inside fixedly connected with sliding sleeve of gas tube is one, the inside sliding connection of sliding sleeve one has guide bar one, the right-hand member fixedly connected with rubber buffer of guide bar one, the outside sliding connection of guide bar one has spring one, the left end of spring one with the right-hand member fixed connection of sliding sleeve one, the right-hand member of spring one with the left end fixed connection of rubber buffer, the outside of the right-hand member of rubber buffer with the inboard contact of the left end of air inlet one is connected.
Preferably, the inside fixedly connected with air inlet two of air suction valve, the inside fixedly connected with sliding sleeve two of air suction valve, venthole two has been seted up to the inside of sliding sleeve two, the quantity of venthole two is a plurality of, and is a plurality of venthole two is in the upper end evenly distributed of sliding sleeve two, the inside sliding connection of sliding sleeve two has guide bar two, the upper end fixedly connected with backup pad of guide bar two, the upper end of backup pad bonds and has the gasket, the upper end of gasket with the lower extreme contact of air inlet two is connected, the outside sliding connection of guide bar two has spring two, the lower extreme of spring two with the upper end fixed connection of sliding sleeve two, the upper end of spring two with the lower extreme fixed connection of backup pad.
Preferably, a sealing sleeve is fixedly sleeved in the air bag, and an exhaust pipe is fixedly connected in the sealing sleeve.
Preferably, an outer side of the air bag is in press contact with an inner portion of the high-pressure pipe, and the air bag is made of an elastic rubber material.
Preferably, the number of the fixing frames is four, and the four fixing frames are uniformly distributed on the outer side of the mounting disc.
The invention has the beneficial effects that: the invention relates to a plugging device for a pressure pipeline, which has the characteristics of being capable of quickly connecting pipelines of various types and plugging the pipelines in the pipelines, and has the following two beneficial effects compared with the traditional plugging device for the pressure pipeline in specific use:
firstly, by additionally arranging structures such as an inflator pump, an air bag, an inflation valve and the like in the connecting pipe, when the high-pressure pipe needs to be plugged, the air bag can be placed in the high-pressure pipe to inflate the air bag, then the interior of the high-pressure pipe is plugged, and when the plug needs to be removed, gas in the air bag can be discharged through the exhaust pipe, so that the smoothness of the high-pressure pipe can be quickly recovered;
secondly, add in the outside of mounting disc and establish structures such as mount, fixture block and slipmat for can adjust the diameter that can connect through the position of locating hole when connecting line, can be with the fixture block joint in the outside of the ring flange of high-pressure pipe when connecting, thereby can make the mounting disc fix the outside at the high-pressure pipe through the pressure of high-pressure pipe to the gasbag.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a right side view of FIG. 1 of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of the portion C of FIG. 2 according to the present invention;
FIG. 6 is a cross-sectional view of the inflation valve of FIG. 3 in accordance with the present invention;
FIG. 7 is a cross-sectional view of the inhalation valve of FIG. 4 of the present invention.
In the figure: 1. mounting a disc; 2. a fixed mount; 3. a high pressure pipe; 4. a connecting pipe; 5. a fixed block; 6. an inflator; 7. an inflation valve; 8. an air intake valve; 9. an air bag; 10. a water outlet; 21. a screw; 22. a shaft sleeve; 23. a clamping block; 24. a nut; 25. positioning holes; 26. a non-slip mat; 61. a seal ring; 62. a slide bar; 63. a handle; 64. a sealing block; 65. a rubber ring; 66. an air tank; 72. an inflation tube; 73. a first air inlet; 74. a first air outlet; 75. a first sliding sleeve; 76. a first guide rod; 77. a first spring; 78. a rubber plug; 81. a second air inlet; 82. a second sliding sleeve; 83. a second air outlet; 84. a second guide rod; 85. a second spring; 86. sealing the sheet; 87. a support plate; 91. sealing sleeves; 92. and (4) exhausting the gas.
Detailed Description
As shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a pipeline under pressure's plugging device, includes mounting disc 1, mount 2, high-pressure pipe 3, connecting pipe 4, fixed block 5, inflator pump 6, inflation valve 7, the valve of breathing in 8, gasbag 9 and outlet 10, the outside fixedly connected with mount 2 of mounting disc 1, the left end joint of mounting disc 1 has high-pressure pipe 3, the inside fixedly connected with connecting pipe 4 of mounting disc 1, the inside fixedly connected with fixed block 5 of connecting pipe 4, the inside fixedly connected with inflator pump 6 of fixed block 5, the inside fixedly connected with inflation valve 7 of inflator pump 6, the inside fixed cover of the upper end of inflator pump 6 has cup jointed the valve of breathing in 8, there is gasbag 9 at the left end of inflator pump 6 through threaded connection, outlet 10 has been seted up on the mounting disc 1, mounting disc 1 is made by stainless steel material.
The fixing frame comprises a fixing frame 2, a positioning hole 25 is formed in the fixing frame 2, a screw 21 is slidably connected to the positioning hole 25, a shaft sleeve 22 is fixedly connected to the outer side of the screw 21, a clamping block 23 is rotatably connected to the outer side of the shaft sleeve 22, a nut 24 is connected to the outer side of the right end of the screw 21 through threads, the left end of the nut 24 is in contact connection with the right end of the fixing frame 2, an anti-skid pad 26 is bonded to the inner side of the clamping block 23, the right end of the anti-skid pad 26 is connected to the left end of the high-pressure pipe 3 through friction force extrusion, the clamping block 23 is in an L shape, the positioning holes 25 are multiple, and the positioning holes 25 are uniformly distributed on the fixing frame.
Wherein, the inside fixedly connected with sealing washer 61 of inflator pump 6, the inside sliding connection of sealing washer 61 has slide bar 62, the right-hand member fixedly connected with handle 63 of slide bar 62, the left end fixedly connected with sealing block 64 of slide bar 62, the outside of sealing block 64 with the inboard sliding connection of inflator pump 6, the inside bonding of the left end of inflator pump 6 has rubber ring 65, the left end of rubber ring 65 with the right-hand member contact of gasbag 9 is connected, gas pocket 66 has been seted up to the inside of inflator pump 6.
Wherein, the inside fixedly connected with gas tube 72 of inflation valve 7, the inside fixedly connected with air inlet 73 of gas tube 72, venthole 74 has been seted up on the gas tube 72, the quantity of venthole 74 is a plurality of, and is a plurality of venthole 74 is in the lateral wall evenly distributed of gas tube 72, inside fixedly connected with sliding sleeve 75 of gas tube 72, the inside sliding connection of sliding sleeve 75 has guide bar 76, the right-hand member fixedly connected with rubber buffer 78 of guide bar 76, the outside sliding connection of guide bar 76 has spring 77, the left end of spring 77 with the right-hand member fixed connection of sliding sleeve 75, the right-hand member of spring 77 with the left end fixed connection of rubber buffer 78, the outside of rubber buffer 78's right-hand member with the inboard contact of the left end of air inlet 73 is connected.
Wherein, two 81 air inlets of the inside fixedly connected with air suction valve 8, two 82 sliding sleeves of the inside fixedly connected with of air suction valve 8, two 83 ventholes have been seted up to the inside of two 82 sliding sleeves, the quantity of two 83 ventholes is a plurality of, and is a plurality of two 83 ventholes are in the upper end evenly distributed of two 82 sliding sleeves, the inside sliding connection of two 82 sliding sleeves has two 84 guide bars, the upper end fixedly connected with backup pad 87 of two 84 guide bars, the upper end of backup pad 87 bonds there is gasket 86, the upper end of gasket 86 with the lower extreme contact of two 81 air inlets is connected, the outside sliding connection of two 84 guide bars has two 85 springs, the lower extreme of two 85 springs with the upper end fixed connection of two 82 sliding sleeves, the upper end of two 85 springs with the lower extreme fixed connection of backup pad 87.
The air bag 9 is fixedly sleeved with a sealing sleeve 91, and the sealing sleeve 91 is fixedly connected with an exhaust pipe 92.
Wherein the outside of the air bag 9 is in press contact with the inside of the high-pressure pipe 3, and the air bag 9 is made of an elastic rubber material.
The number of the fixing frames 2 is four, and the four fixing frames 2 are uniformly distributed on the outer side of the mounting disc 1.
The using state of the invention is as follows: when in use, the air bag 9 is placed in the high-pressure pipe 3, the position of the screw 21 is adjusted according to the diameter of the pipeline of the high-pressure pipe 3, the anti-skid pad 26 on the inner side of the clamping block 23 is contacted with the outer side of the flange of the high-pressure pipe 3 after the adjustment is finished, the mounting plate 1 is fixed on the outer side of the high-pressure pipe 3 under the pressure in the high-pressure pipe 3, the handle 63 is pulled after the fixing is finished, the handle 63 drives the sealing block 64 to move towards the outer side of the inflator 6 through the sliding rod 62, negative pressure is generated in the inflator 6 while moving, the negative pressure is transmitted to the lower end of the air suction valve 8 through the air groove 66, the sealing sheet 86 in the air suction valve 8 moves downwards under the pressure of the negative pressure, air enters the air suction valve 8 from the air inlet II 81 and then is discharged into the inflator 6 from the air outlet II 83, and the sealing block 64 is pushed towards the interior of the, when the sealing block 64 moves towards the inside of the inflator 6, the internal pressure of the inflator 6 is increased, the increased pressure drop cannot be discharged from the air suction valve 8, the rubber plug 78 in the inflator 7 compresses the first spring 77 backwards under the action of the pressure, the rubber plug 78 is separated from the first air inlet 73, air in the inflator 6 enters the air bag 9 through the first air outlet 74, the action is repeated repeatedly, the air bag 9 can be filled with the air bag 9, the filled air bag 9 can plug the high-pressure tube 3, the leakage cannot occur, and when the high-pressure tube 3 does not need to be plugged, gas in the air bag 9 can be discharged through the exhaust pipe 92.
Claims (8)
1. The utility model provides a pipeline under pressure's plugging device, includes mounting disc (1), mount (2), high-pressure line (3), connecting pipe (4), fixed block (5), inflator pump (6), inflation valve (7), suction valve (8), gasbag (9) and outlet (10), its characterized in that: the utility model discloses a mounting plate for the gas turbine generator, including mounting disc (1), the outside fixedly connected with mount (2) of mounting disc (1), the left end joint of mounting disc (1) has high-pressure pipe (3), the inside fixedly connected with connecting pipe (4) of mounting disc (1), the inside fixedly connected with fixed block (5) of connecting pipe (4), the inside fixedly connected with inflator pump (6) of fixed block (5), the inside fixedly connected with inflation valve (7) of inflator pump (6), the inside fixed cover of the upper end of inflator pump (6) has cup jointing suction valve (8), there is gasbag (9) left end of inflator pump (6) through threaded connection, outlet (10) have been seted up on mounting disc (1), mounting disc (1) is made by stainless steel material.
2. A pressure conduit plugging device in accordance with claim 1 wherein: the novel high-pressure pipe fixing device is characterized in that a positioning hole (25) is formed in the fixing frame (2), a screw rod (21) is connected to the positioning hole (25) in a sliding mode, a shaft sleeve (22) is fixedly connected to the outer side of the screw rod (21), a clamping block (23) is connected to the outer side of the shaft sleeve (22) in a rotating mode, a nut (24) is connected to the outer side of the right end of the screw rod (21) through threads, the left end of the nut (24) is in contact connection with the right end of the fixing frame (2), an anti-slip pad (26) is bonded to the inner side of the clamping block (23), the right end of the anti-slip pad (26) is connected with the left end of the high-pressure pipe (3) through friction extrusion, the clamping block (23) is L-shaped, the positioning holes (25) are multiple, and the.
3. A pressure conduit plugging device in accordance with claim 1 wherein: the inside fixedly connected with sealing washer (61) of inflator pump (6), the inside sliding connection of sealing washer (61) has slide bar (62), the right-hand member fixedly connected with handle (63) of slide bar (62), the left end fixedly connected with sealing block (64) of slide bar (62), the outside of sealing block (64) with the inboard sliding connection of inflator pump (6), the inside bonding of the left end of inflator pump (6) has rubber ring (65), the left end of rubber ring (65) with the right-hand member contact of gasbag (9) is connected, gas tank (66) have been seted up to the inside of inflator pump (6).
4. A pressure conduit plugging device in accordance with claim 1 wherein: the inside fixedly connected with gas tube (72) of gas charging valve (7), the inside fixedly connected with air inlet (73) of gas tube (72), venthole (74) have been seted up on gas tube (72), the quantity of venthole (74) is a plurality of, and is a plurality of venthole (74) are in the lateral wall evenly distributed of gas tube (72), the inside fixedly connected with sliding sleeve (75) of gas tube (72), the inside sliding connection of sliding sleeve (75) has guide bar (76), the right-hand member fixedly connected with rubber buffer (78) of guide bar (76), the outside sliding connection of guide bar (76) has spring (77), the left end of spring (77) with the right-hand member fixed connection of sliding sleeve (75), the right-hand member of spring (77) with the left end fixed connection of rubber buffer (78), the outer side of the right end of the rubber plug (78) is in contact connection with the inner side of the left end of the first air inlet (73).
5. A pressure conduit plugging device in accordance with claim 1 wherein: the inside fixedly connected with air inlet two (81) of air suction valve (8), the inside fixedly connected with sliding sleeve two (82) of air suction valve (8), venthole two (83) have been seted up to the inside of sliding sleeve two (82), the quantity of venthole two (83) is a plurality of, and is a plurality of venthole two (83) are in the upper end evenly distributed of sliding sleeve two (82), the inside sliding connection of sliding sleeve two (82) has guide bar two (84), the upper end fixedly connected with backup pad (87) of guide bar two (84), the upper end of backup pad (87) bonds has gasket (86), the upper end of gasket (86) with the lower extreme contact of air inlet two (81) is connected, the outside sliding connection of guide bar two (84) has spring two (85), the lower extreme of spring two (85) with the upper end fixed connection of sliding sleeve two (82), the upper end of the second spring (85) is fixedly connected with the lower end of the supporting plate (87).
6. A pressure conduit plugging device in accordance with claim 1 wherein: the inside of gasbag (9) is fixed cup joints seal cover (91), the inside fixedly connected with blast pipe (92) of seal cover (91).
7. A pressure conduit plugging device in accordance with claim 1 wherein: the outer side of the air bag (9) is in pressing contact with the inside of the high-pressure pipe (3), and the air bag (9) is made of an elastic rubber material.
8. A pressure conduit plugging device in accordance with claim 1 wherein: the number of the fixing frames (2) is four, and the four fixing frames (2) are uniformly distributed on the outer side of the mounting disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151857.5A CN111963812B (en) | 2020-10-26 | 2020-10-26 | Plugging device for pressure pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011151857.5A CN111963812B (en) | 2020-10-26 | 2020-10-26 | Plugging device for pressure pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN111963812A true CN111963812A (en) | 2020-11-20 |
| CN111963812B CN111963812B (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011151857.5A Active CN111963812B (en) | 2020-10-26 | 2020-10-26 | Plugging device for pressure pipeline |
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| Country | Link |
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| CN (1) | CN111963812B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915363A (en) * | 2021-12-09 | 2022-01-11 | 江苏净视源能源环保研究院有限公司 | Dedicated blowoff valve of environmental protection sewage treatment engineering |
| CN114811256A (en) * | 2021-01-29 | 2022-07-29 | 中核武汉核电运行技术股份有限公司 | Air bag plugging device for overhauling explosion valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004044625A (en) * | 2002-07-09 | 2004-02-12 | Tanaka Giken Kk | Gas shutoff tool |
| CN105020535A (en) * | 2014-04-29 | 2015-11-04 | 张伟 | Quick-seal inflation device |
| CN206694732U (en) * | 2017-05-05 | 2017-12-01 | 刘峥霞 | A kind of chemical pipeline removes fracture plugging device |
| FR3052842A1 (en) * | 2016-06-16 | 2017-12-22 | Technip France | FAST PIPE FASTER MODULE, DRIVING, INSTALLATION AND METHOD THEREOF |
| CN208579084U (en) * | 2018-08-08 | 2019-03-05 | 昆山鑫盛塑料工业有限公司 | A kind of stopper sealing structure |
| CN208845959U (en) * | 2018-10-11 | 2019-05-10 | 张光明 | A kind of pipeline plug of oil-gas gathering and transportation |
| CN209385910U (en) * | 2018-12-24 | 2019-09-13 | 中铁七局集团郑州工程有限公司 | A kind of plugging device of discarded pipeline |
| CN110319293A (en) * | 2019-07-04 | 2019-10-11 | 中环清新人工环境工程技术(北京)有限责任公司 | A kind of air bag suitable for air hose blocking |
| CN210372523U (en) * | 2019-08-13 | 2020-04-21 | 浙江欧佩亚海洋工程有限公司 | Pipeline plugging device |
-
2020
- 2020-10-26 CN CN202011151857.5A patent/CN111963812B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004044625A (en) * | 2002-07-09 | 2004-02-12 | Tanaka Giken Kk | Gas shutoff tool |
| CN105020535A (en) * | 2014-04-29 | 2015-11-04 | 张伟 | Quick-seal inflation device |
| FR3052842A1 (en) * | 2016-06-16 | 2017-12-22 | Technip France | FAST PIPE FASTER MODULE, DRIVING, INSTALLATION AND METHOD THEREOF |
| CN206694732U (en) * | 2017-05-05 | 2017-12-01 | 刘峥霞 | A kind of chemical pipeline removes fracture plugging device |
| CN208579084U (en) * | 2018-08-08 | 2019-03-05 | 昆山鑫盛塑料工业有限公司 | A kind of stopper sealing structure |
| CN208845959U (en) * | 2018-10-11 | 2019-05-10 | 张光明 | A kind of pipeline plug of oil-gas gathering and transportation |
| CN209385910U (en) * | 2018-12-24 | 2019-09-13 | 中铁七局集团郑州工程有限公司 | A kind of plugging device of discarded pipeline |
| CN110319293A (en) * | 2019-07-04 | 2019-10-11 | 中环清新人工环境工程技术(北京)有限责任公司 | A kind of air bag suitable for air hose blocking |
| CN210372523U (en) * | 2019-08-13 | 2020-04-21 | 浙江欧佩亚海洋工程有限公司 | Pipeline plugging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114811256A (en) * | 2021-01-29 | 2022-07-29 | 中核武汉核电运行技术股份有限公司 | Air bag plugging device for overhauling explosion valve |
| CN113915363A (en) * | 2021-12-09 | 2022-01-11 | 江苏净视源能源环保研究院有限公司 | Dedicated blowoff valve of environmental protection sewage treatment engineering |
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| Publication number | Publication date |
|---|---|
| CN111963812B (en) | 2021-01-22 |
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