CN203641767U - Pressurized plugging device for oil-gas transmission pipeline - Google Patents
Pressurized plugging device for oil-gas transmission pipeline Download PDFInfo
- Publication number
- CN203641767U CN203641767U CN201420015758.8U CN201420015758U CN203641767U CN 203641767 U CN203641767 U CN 203641767U CN 201420015758 U CN201420015758 U CN 201420015758U CN 203641767 U CN203641767 U CN 203641767U
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- Prior art keywords
- pressure
- oil
- tube
- inner cover
- gas pipeline
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- Expired - Fee Related
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Abstract
The utility model discloses a pressurized plugging device for an oil-gas transmission pipeline. The pressurized plugging device comprises the oil-gas transmission pipeline, a pressurized inner cover, a pressurized outer pipe, a drainage pipe, a drainage valve, a pressure relief pipe, a pressure relief valve, a plugging inner pipe, an elastic plugging piece, a plugging outer pipe, an outer plugging piece, a master valve, an inner pipe tightening hand wheel and an outer pipe tightening hand wheel. The pressurized inner cover covers a leakage point on the oil-gas transmission pipeline and is in screw connection with the pressurized outer pipe; the top of the pressurized inner cover is provided with a drainage port and a pressure relief port, the drainage pipe is connected with the drainage port and the drainage valve, and the pressure relief pipe is connected with the pressure relief port and the pressure relief valve; the plugging inner pipe is inserted in the plugging outer pipe which is inserted in the pressurized inner cover, the elastic plugging piece is arranged at the bottom of the plugging inner pipe, the outer plugging piece is arranged at the bottom of the plugging outer pipe, the plugging inner pipe is connected with the inner pipe tightening hand wheel through the master valve, and the plugging outer pipe is connected with the outer pipe tightening hand wheel through the master valve. Effectiveness in plugging is guaranteed by means of internal and external plugging, and pressurized operation is realized by adjusting pressure and pressure intensity in the pressurized inner cover.
Description
Technical field
The utility model relates to a kind of oil and gas pipeline service equipment, relates in particular to a kind of oil and gas pipeline blocking device with pressure.
Background technique
Along with the rise of international oil price, under the ordering about of huge interests, the theft incidence rate of oil and gas pipeline is more and more higher, has caused huge economic loss to country and oil enterprise, and the oil gas of leakage has not only polluted environment, has also wasted a large amount of resources.The repairing method of the oil and gas pipeline of prior art adopts the method for leak stopping mostly, and the leakage point pressure of oil and gas pipeline is larger, and operation implements certain difficulty, lower by the mode reliability of hydraulic pressure leak stopping.
Model utility content
The purpose of this utility model: a kind of oil and gas pipeline blocking device with pressure is provided, and energy non-stop plugging leakage point, so that Rapid-Repair oil and gas pipeline.
To achieve these goals, the technical solution of the utility model is:
A kind of oil and gas pipeline blocking device with pressure, comprises oil and gas pipeline, inner cover with pressure, outer tube with pressure, drainage tube, drain valve, relief tube, Decompression valves, shutoff inner tube, elasticity plugging sheet, shutoff outer tube, outer plugging sheet, main valve, inner tube screws handwheel and outer tube screws handwheel; On described oil and gas pipeline, there is leakage point, described inner cover cover cap with pressure is on the leakage point of described oil and gas pipeline, the outer wall of described inner cover with pressure is provided with outside thread, the inwall of described outer tube with pressure is provided with internal thread, described outside thread and described internal thread are suitable, and described inner cover with pressure and described outer tube sealing with pressure spin; The upper end of described inner cover with pressure is pinnacle shape sealing, top one side of described inner cover with pressure is provided with draining hole, the top opposite side of described inner cover with pressure is provided with pressure relief opening, one end of described drainage tube and described draining hole are tightly connected, described drain valve is sealedly connected on the other end of described drainage tube, one end of described relief tube and described pressure relief opening are tightly connected, and described Decompression valves is sealedly connected on the other end of described relief tube; The center of top of described inner cover with pressure is provided with through hole, described shutoff outer tube is inserted in the through hole of described inner cover with pressure, described shutoff inner tube is inserted in described shutoff outer tube, described elasticity plugging sheet is bowl structure, described elasticity plugging sheet is arranged on the bottom of described shutoff inner tube, described elasticity plugging sheet is inserted in oil and gas pipeline by described shutoff inner tube, and described elasticity plugging sheet is close to described leakage point; Described outer plugging sheet is arranged on the bottom of described shutoff outer tube, be positioned at the top of described oil and gas pipeline, described outer plugging sheet is close to described leakage point, the upper end of described shutoff inner tube connects described inner tube by described main valve and screws handwheel, and the upper end of described shutoff outer tube connects described outer tube by described main valve and screws handwheel.
Above-mentioned oil and gas pipeline blocking device with pressure, wherein, the inwall bottom of described inner cover with pressure is provided with seal ring, is positioned at the joint of described inner cover with pressure and described oil and gas pipeline, and described inner cover with pressure is tightly connected by described seal ring and described oil and gas pipeline.
Above-mentioned oil and gas pipeline blocking device with pressure, wherein, the outer wall of described outer tube with pressure is provided with fastening chain, and described fastening chain is on described oil and gas pipeline, and the two ends of described fastening chain are flexibly connected with described outer tube with pressure bottom.
Above-mentioned oil and gas pipeline blocking device with pressure, wherein, the outer wall of described outer tube with pressure bottom is provided with stiffening ring, and described stiffening ring and described outer tube with pressure are integrative-structures.
The utility model can be guaranteed the effective shutoff of leakage point by the mode of inner shutoff and outside shutoff, regulates the pressure pressure in inner cover with pressure by Decompression valves and drain valve, reaches the object with press operation, simple in structure, and operation is reliable, safety.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model oil and gas pipeline blocking device with pressure.
Fig. 2 is the structural representation of the elasticity plugging sheet of the utility model oil and gas pipeline blocking device with pressure.
Embodiment
Further illustrate embodiment of the present utility model below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, a kind of oil and gas pipeline blocking device with pressure, comprises that oil and gas pipeline 1, inner cover with pressure 2, outer tube with pressure 3, drainage tube 4, drain valve 5, relief tube 6, Decompression valves 7, shutoff inner tube 8, elasticity plugging sheet 9, shutoff outer tube 10, outer plugging sheet 11, main valve 12, inner tube screw handwheel 13 and outer tube screws handwheel 14, on described oil and gas pipeline 1, there is leakage point 15, described inner cover with pressure 2 cover caps are on the leakage point 15 of described oil and gas pipeline 1, the outer wall of described inner cover with pressure 2 is provided with outside thread 16, the inwall of described outer tube with pressure 3 is provided with internal thread 17, described outside thread 16 is suitable with described internal thread 17, described inner cover with pressure 2 spins with 3 sealings of described outer tube with pressure, by inner cover 2 with pressure and outer tube with pressure 3 duplicate protections, reaches best sealing effect with pressure, the upper end of described inner cover with pressure 2 is pinnacle shape sealing, top one side of described inner cover with pressure 2 is provided with draining hole 18, the top opposite side of described inner cover with pressure 2 is provided with pressure relief opening 19, one end of described drainage tube 4 and described draining hole 18 are tightly connected, described drain valve 5 is sealedly connected on the other end of described drainage tube 4, can be used for leaking the drainage of crude oil, one end of described relief tube 6 and described pressure relief opening 19 are tightly connected, described Decompression valves 7 is sealedly connected on the other end of described relief tube 6, can be used for the reduction pressure in inner cover 2 with pressure, the center of top of described inner cover with pressure 2 is provided with through hole, described shutoff outer tube 10 is inserted in the through hole of described inner cover with pressure 2, described shutoff inner tube 8 is inserted in described shutoff outer tube 10, described elasticity plugging sheet 9 is bowl structure, described elasticity plugging sheet 9 is arranged on the bottom of described shutoff inner tube 8, described elasticity plugging sheet 9 is inserted in oil and gas pipeline 1 by described shutoff inner tube 8, described elasticity plugging sheet 9 is close to described leakage point 15, due to upwards arc-shaped bend of elasticity plugging sheet 9, be easier to fill in oil and gas pipeline 1, again, draw shutoff inner tube 8 to make elasticity plugging sheet turn over and fit tightly for 9 times on the inwall of oil and gas pipeline 1, reach the effect of shutoff leakage point 15, described outer plugging sheet 11 is arranged on the bottom of described shutoff outer tube 10, be positioned at the top of described oil and gas pipeline 1, described outer plugging sheet 11 is close to described leakage point 15, further shutoff leakage point 15 of outer plugging sheet 11, guarantee that leakage point 15 no longer leaks, the upper end of described shutoff inner tube 8 connects described inner tube by described main valve 12 and screws handwheel 13, the upper end of described shutoff outer tube 10 connects described outer tube by described main valve 12 and screws handwheel 14, screw handwheel 13 and outer tube screws the fastening shutoff inner tube 8 of handwheel 14 and shutoff outer tube 10 by inner tube, thereby make elasticity plugging sheet 9 and the effective shutoff of outer plugging sheet 11 two ends at leakage point 15.
The inwall bottom of described inner cover with pressure 2 is provided with seal ring 20, the joint of the inner cover with pressure 2 described in being positioned at and described oil and gas pipeline 1, described inner cover with pressure 2 is tightly connected by described seal ring 20 and described oil and gas pipeline 1, improves sealing, and leak stopping work is safer.
The outer wall of described outer tube with pressure 3 is provided with fastening chain 21, described fastening chain 21 is on described oil and gas pipeline 1, the two ends of described fastening chain 21 are flexibly connected with described outer tube with pressure 3 bottoms, for further fastening outer tube 3 with pressure and inner cover with pressure 2, prevent its fail in compression or break.
The outer wall bottom of described outer tube with pressure 3 is provided with stiffening ring 22, and described stiffening ring 22 is integrative-structures with described outer tube with pressure 3, can strengthen the withstand voltage of outer tube 3 with pressure and load performance.
In sum, the utility model can be guaranteed the effective shutoff of leakage point by the mode of inner shutoff and outside shutoff, regulates the pressure pressure in inner cover with pressure by Decompression valves and drain valve, reaches the object with press operation, simple in structure, and operation is reliable, safety.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description to do; or directly or indirectly use the technical field that is attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. an oil and gas pipeline blocking device with pressure, is characterized in that: comprise oil and gas pipeline, inner cover with pressure, outer tube with pressure, drainage tube, drain valve, relief tube, Decompression valves, shutoff inner tube, elasticity plugging sheet, shutoff outer tube, outer plugging sheet, main valve, inner tube screws handwheel and outer tube screws handwheel; On described oil and gas pipeline, there is leakage point, described inner cover cover cap with pressure is on the leakage point of described oil and gas pipeline, the outer wall of described inner cover with pressure is provided with outside thread, the inwall of described outer tube with pressure is provided with internal thread, described outside thread and described internal thread are suitable, and described inner cover with pressure and described outer tube sealing with pressure spin; The upper end of described inner cover with pressure is pinnacle shape sealing, top one side of described inner cover with pressure is provided with draining hole, the top opposite side of described inner cover with pressure is provided with pressure relief opening, one end of described drainage tube and described draining hole are tightly connected, described drain valve is sealedly connected on the other end of described drainage tube, one end of described relief tube and described pressure relief opening are tightly connected, and described Decompression valves is sealedly connected on the other end of described relief tube; The center of top of described inner cover with pressure is provided with through hole, described shutoff outer tube is inserted in the through hole of described inner cover with pressure, described shutoff inner tube is inserted in described shutoff outer tube, described elasticity plugging sheet is bowl structure, described elasticity plugging sheet is arranged on the bottom of described shutoff inner tube, described elasticity plugging sheet is inserted in oil and gas pipeline by described shutoff inner tube, and described elasticity plugging sheet is close to described leakage point; Described outer plugging sheet is arranged on the bottom of described shutoff outer tube, be positioned at the top of described oil and gas pipeline, described outer plugging sheet is close to described leakage point, the upper end of described shutoff inner tube connects described inner tube by described main valve and screws handwheel, and the upper end of described shutoff outer tube connects described outer tube by described main valve and screws handwheel.
2. oil and gas pipeline blocking device with pressure according to claim 1, it is characterized in that: the inwall bottom of described inner cover with pressure is provided with seal ring, be positioned at the joint of described inner cover with pressure and described oil and gas pipeline, described inner cover with pressure is tightly connected by described seal ring and described oil and gas pipeline.
3. oil and gas pipeline blocking device with pressure according to claim 1, it is characterized in that: the outer wall of described outer tube with pressure is provided with fastening chain, described fastening chain is on described oil and gas pipeline, and the two ends of described fastening chain are flexibly connected with described outer tube with pressure bottom.
4. oil and gas pipeline blocking device with pressure according to claim 1, is characterized in that: the outer wall of described outer tube with pressure bottom is provided with stiffening ring, and described stiffening ring and described outer tube with pressure are integrative-structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015758.8U CN203641767U (en) | 2014-01-12 | 2014-01-12 | Pressurized plugging device for oil-gas transmission pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015758.8U CN203641767U (en) | 2014-01-12 | 2014-01-12 | Pressurized plugging device for oil-gas transmission pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641767U true CN203641767U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420015758.8U Expired - Fee Related CN203641767U (en) | 2014-01-12 | 2014-01-12 | Pressurized plugging device for oil-gas transmission pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651330A (en) * | 2017-11-02 | 2018-02-02 | 天津安固密封技术有限公司 | A kind of tank body end face capping tools and the plugging plate with the tool matching |
| CN113959646A (en) * | 2021-09-22 | 2022-01-21 | 成都嘉斯福科技有限公司 | Hydrogen pipeline joint leakage detection equipment |
-
2014
- 2014-01-12 CN CN201420015758.8U patent/CN203641767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651330A (en) * | 2017-11-02 | 2018-02-02 | 天津安固密封技术有限公司 | A kind of tank body end face capping tools and the plugging plate with the tool matching |
| CN113959646A (en) * | 2021-09-22 | 2022-01-21 | 成都嘉斯福科技有限公司 | Hydrogen pipeline joint leakage detection equipment |
| CN113959646B (en) * | 2021-09-22 | 2023-12-22 | 成都嘉斯福科技有限公司 | Hydrogen pipeline junction leakage detection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20150112 |
|
| EXPY | Termination of patent right or utility model |