CN100483003C - Plugging device for pipe under pressure and its operation method - Google Patents
Plugging device for pipe under pressure and its operation method Download PDFInfo
- Publication number
- CN100483003C CN100483003C CNB2007101539599A CN200710153959A CN100483003C CN 100483003 C CN100483003 C CN 100483003C CN B2007101539599 A CNB2007101539599 A CN B2007101539599A CN 200710153959 A CN200710153959 A CN 200710153959A CN 100483003 C CN100483003 C CN 100483003C
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- Prior art keywords
- pressure
- ball valve
- screw
- plugging device
- hole
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- Expired - Fee Related
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Abstract
The invention discloses a hole-plugging device for the pipe under pressure and the operation method, the purpose is to provide a hole-plugging device for the pipe under pressure and the operation method which is to stop the oil stealing from the oil line by the illegal criminals while the pipe is under pressure, the invention can open a hole in a sealing way and can remove the ball valve which is used for oil stealing. The device is composed of a sleeve, a screw rod, a nut, a pressure gauge and a compression sleeve. The sleeve is provided with a rectangular hole and is connected with the nut thread, the nut matches with the screw rod; a hand wheel, a guide ring and a sealing ring are arranged on the screw rod, a threaded post is arranged at the lower end of the screw rod and the threaded post is provided with a tap hole and an inner hole; the lower end of the sleeve is connected with the compression sleeve by the thread; also the pressure gauge is arranged on the compression sleeve, which is provided with a connection thread. During the actual application, the device is connected with the ball valve of the oil line, then a wedge-shaped gauge is used for measuring the size of the hole under the ball valve, then the hole is plugged by extruding the gag and the ball valve can be removed; a complementary plate shall be welded on the oil line to cover the raised remaining part of the ball valve.
Description
Technical field
The present invention relates to a kind of plugging device for pipe under pressure and use operating method.
Background technique
At present, on the oil output pipeline, in time, has and finds that the lawless person is the national oil of theft, on pipeline with the method perforate of airtight perforate, and then install ball valve and steal, take mostly for this phenomenon workpeople, make like the bucket parts back-off and live ball valve, with its weldering knot on pipeline, both opening was not blocked like this, also the ball valve that stolen is not used takes off, and the stolen molecule is also used the chisel engraving tool and opened or draw back with hacksaw, opens ball valve and steals oil once more.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, providing a kind of can not only block the stolen hole of being opened with the method for airtight perforate by the lawless person on the oil transport pipeline, and the ball valve that uses can also be stolen the time takes off, a kind of plugging device for pipe under pressure and use operating method
For solving the technical problem of above-mentioned existence, the present invention adopts following technical proposals:
1, it is made up of sleeve pipe, screw rod, screw, pressure gauge, pressure-bearing sleeve, sleeve is provided with oblong aperture and is threaded with screw, screw cooperates with screw rod, screw rod is provided with handwheel, guide collar, seal ring, lower end at screw rod is provided with screw column, screw column is provided with tapped hole and endoporus, and the lower end of the sleeve pressure-bearing sleeve that is threaded also is provided with pressure gauge and butt joint screw thread on the pressure-bearing sleeve.
2, a kind of plugging device for pipe under pressure of said structure also is provided with annex: reduction center, extruding gag, stone roller plug screw chi and benefit plate.
3, the use operating method of above-mentioned plugging device for pipe under pressure, it has following steps:
The size of the ball valve that the stolen people installs on A, the usefulness kind of calliper oil transport pipeline;
B, choose can and oil transport pipeline on, the reduction center that the ball valve interface thread of stolen matches, the other end by reduction center are threaded with docking, and the ball valve of stolen and plugging device for pipe under pressure, are installed together;
C, open ball valve, allow oil with pressure enter in the pressure-bearing sleeve, and observe the pressure on the pressure gauge, it is limited in below the 2Pa and can operates;
D, pass upper ball valve by the flow-off that is provided with on the pressure gauge, are emitted the oil in the pressure-bearing sleeve;
E, plugging device for pipe under pressure is unloaded, the stone roller plug screw chi that chooses size is screwed on the screw column, again plugging device for pipe under pressure, be fixed on the ball valve by the butt joint screw thread, open ball valve and allow opening under the stone roller plug screw chi squeeze valve, observe the impression on the stone roller plug screw chi conical surface, determine the size of petroleum pipeline upper shed;
F, with the extruding gag of the same size of opening, with primary screw by slight fixing of tapped hole, again plugging device for pipe under pressure, be installed on the ball valve, utilize the strength of screw rod that the extruding gag is squeezed in the hole, do not shown pressure on the observation pressure gauge, this explanation hole has been plugged;
G, unload plugging device for pipe under pressure, with hacksaw down, cover the hole that is plugged with the benefit plate again, mend being welded on the oil transport pipeline of plate all around the ball valve saw.
Adopt the present invention can block on the oil transport pipeline, the mouth by the lawless person opened can also take off the valve that uses when being used for stolen, has ensured the normal operation of national oil transport pipeline effectively, has protected national wealth.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of annex reduction center.
Fig. 3 is the structural representation of annex extruding gag.
Fig. 4 is the structural representation of annex stone roller plug screw chi.
Fig. 5 is the plan view that annex is mended plate.
Fig. 6 is the A-A view of Fig. 5.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: a kind of plugging device for pipe under pressure, it is made up of sleeve 4, screw rod 2, screw 3, pressure gauge 7, pressure-bearing sleeve 8, sleeve 4 is provided with oblong aperture 13 and is threaded with screw 3, screw 3 cooperates with screw rod 2, screw rod 2 is provided with handwheel 1, guide collar 5, seal ring 6, is provided with screw column 9 in the lower end of screw rod 2, and screw column 9 is provided with tapped hole 10 and endoporus 11, the lower end of the sleeve 4 pressure-bearing sleeve 8 that is threaded also is provided with pressure gauge 7 and butt joint screw thread 12 on pressure-bearing sleeve 8.
Above-mentioned a kind of plugging device for pipe under pressure also is provided with annex: reduction center 14, extruding gag 15, stone roller plug screw chi 16 and benefit plate 17.
A kind of use operating method of plugging device for pipe under pressure, it has following steps:
The size of the ball valve that the stolen people installs on A, the usefulness kind of calliper oil transport pipeline;
B, choose can and oil transport pipeline on, the reduction center 14 that the ball valve interface thread of stolen matches, the other end by reduction center 14 with dock screw thread 12 and be connected, the ball valve of stolen and plugging device for pipe under pressure, be installed together;
C, open ball valve, allow oil with pressure enter in the pressure-bearing sleeve 8, and observe the pressure on the pressure gauge 7, it is limited in below the 2Pa and can operates;
D, pass upper ball valve by the flow-off that is provided with on the pressure gauge 7, are emitted the oil in the pressure-bearing sleeve 8;
E, plugging device for pipe under pressure is unloaded, the stone roller plug screw chi 16 that chooses size is screwed on the screw column 9, again plugging device for pipe under pressure, be fixed on the ball valve by butt joint screw thread 12, open ball valve and allow opening under stone roller plug screw chi 16 squeeze valves, observe the impression on stone roller plug screw chi 16 conical surfaces, determine the size of petroleum pipeline upper shed;
F, with the extruding gag 15 of the same size of opening, with primary screw by tapped hole 10 slight being fixed in the endoporus 11, again plugging device for pipe under pressure, be installed on the ball valve, utilize the strength of screw rod 2 that extruding gag 15 is squeezed in the hole, do not shown pressure on the observation pressure gauge 7, this explanation hole has been plugged;
G, unload plugging device for pipe under pressure, with hacksaw down, cover the hole that is plugged with mending plate 17 again, mend being welded on the oil transport pipeline of plate 17 all around the ball valve saw.
Fig. 2 shows the structure of reduction center 14, and the internal diameter of upper end is provided with screw thread, and the external diameter of lower end also is provided with screw thread.
Fig. 3 shows the structure of extruding gag 15, and it is the cone of a band gradient, is convenient to get into plug-hole in the hole.
Fig. 4 shows the structure of stone roller plug screw chi 16, is provided with internal thread and threaded apertures on top, and threaded apertures cooperates with tapped hole 10, passes with primary screw to be fixed on the screw column 9.
Circle in the middle of Fig. 5 protrudes, and can find out that in Fig. 6 there is not saturating endoporus centre of mending plate 17, is convenient to cover the hole and the valve that are plugged and is left protruding remnants after sawing down.
The present invention can block the hole of adopting within the 10mm-38mm that sealing method opens, and also only limits to remove the valve of 2 cun, 1.5 cun, 1.2 cun, 1 cun, the four kinds specifications of stolen ball valve that are provided with on the hole.
Claims (3)
1, a kind of plugging device for pipe under pressure, it is characterized in that: it is by sleeve (4), screw rod (2), screw (3), pressure gauge (7), pressure-bearing sleeve (8) is formed, sleeve (4) is provided with oblong aperture (13) and is threaded with screw (3), screw (3) cooperates with screw rod (2), screw rod (2) is provided with handwheel (1), guide collar (5), seal ring (6), be provided with screw column (9) in the lower end of screw rod (2), screw column (9) is provided with tapped hole (10) and endoporus (11), the lower end of sleeve (4) the pressure-bearing sleeve (8) that is threaded also is provided with pressure gauge (7) and butt joint screw thread (12) on pressure-bearing sleeve (8).
2, according to claims 1 described a kind of plugging device for pipe under pressure, also be provided with annex: reduction center (14), extruding gag (15), stone roller plug screw chi (16) and benefit plate (17).
3, a kind of use operating method of plugging device for pipe under pressure as claimed in claim 1 is characterized in that it has following steps:
The size of the ball valve that the stolen people installs on A, the usefulness kind of calliper oil transport pipeline;
B, choose can and oil transport pipeline on the reduction center (14) that matches of the ball valve interface thread of stolen, the other end by reduction center (14) with dock screw thread (12) and be connected, the ball valve of stolen and plugging device for pipe under pressure are installed together;
C, open ball valve, allow oil with pressure enter in the pressure-bearing sleeve (8), and observe the pressure on the pressure gauge (7), it is limited in below the 2Pa and can operates;
D, pass upper ball valve are gone up the flow-off that is provided with by pressure gauge (7), and the oil in the pressure-bearing sleeve (8) is emitted;
E, plugging device for pipe under pressure is unloaded, the stone roller plug screw chi (16) that chooses size is screwed on the screw column (9), again plugging device for pipe under pressure is fixed on the ball valve by butt joint screw thread (12), open ball valve and allow opening under stone roller plug screw chi (16) squeeze valve, observe the impression on stone roller plug screw chi (16) conical surface, determine the size of petroleum pipeline upper shed;
F, with the extruding gag (15) of the same size of opening, with primary screw by slight being fixed in the endoporus (11) of tapped hole (10), again plugging device for pipe under pressure is installed on the ball valve, utilize the strength of screw rod (2) that extruding gag (15) is squeezed in the hole, do not shown pressure on the observation pressure gauge (7), this explanation hole has been plugged;
G, unload plugging device for pipe under pressure, with hacksaw down, cover the hole that is plugged with mending plate (17) again, mend being welded on the oil transport pipeline of plate (17) all around the ball valve saw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101539599A CN100483003C (en) | 2007-09-12 | 2007-09-12 | Plugging device for pipe under pressure and its operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101539599A CN100483003C (en) | 2007-09-12 | 2007-09-12 | Plugging device for pipe under pressure and its operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126477A CN101126477A (en) | 2008-02-20 |
| CN100483003C true CN100483003C (en) | 2009-04-29 |
Family
ID=39094568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101539599A Expired - Fee Related CN100483003C (en) | 2007-09-12 | 2007-09-12 | Plugging device for pipe under pressure and its operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100483003C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322373A (en) * | 2013-03-15 | 2013-09-25 | 青岛科技大学 | Pressured plugging device for stolen hole of oil pipe |
| CN105081592A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Transpositional-free fire modifying method for natural gas pressure guiding device |
| CN105570604B (en) * | 2016-02-24 | 2017-12-29 | 中国石油化工股份有限公司 | Hydraulic pressure takes out riveting formula leak stoppage device |
| CN107990074B (en) * | 2017-11-22 | 2020-01-07 | 连云港新奥燃气有限公司 | Gas-carrying perforating device for natural gas pipeline |
| CN116181956B (en) * | 2023-02-14 | 2023-09-22 | 佛山市禅城能源有限公司 | Quick ball valve device of changing under pressure |
-
2007
- 2007-09-12 CN CNB2007101539599A patent/CN100483003C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101126477A (en) | 2008-02-20 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20100912 |