CN104676192A - Three-way device suitable for seabed pipeline maintenance - Google Patents
Three-way device suitable for seabed pipeline maintenance Download PDFInfo
- Publication number
- CN104676192A CN104676192A CN201310604579.8A CN201310604579A CN104676192A CN 104676192 A CN104676192 A CN 104676192A CN 201310604579 A CN201310604579 A CN 201310604579A CN 104676192 A CN104676192 A CN 104676192A
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- China
- Prior art keywords
- half card
- threeway
- sealing circle
- longitudinal sealing
- way device
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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
- F16L55/179—Devices for covering leaks in pipes or hoses, e.g. hose-menders specially adapted for bends, branch units, branching pipes or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a three-way device suitable for seabed pipeline maintenance. The three-way device comprises a three-way half clamping component and a butt joint half clamping component. The three-way half clamping component and the butt joint half clamping component realize tight holding of the outer walls of pipelines by the three-way device; and radial and axial sealing mechanisms realize the double-layer sealing of opening positions of the pipelines. Branch diameters of the three-way device can be matched and produced according to actual branch requirements and specific sizes of opening cutters so as to realize quick butt joint with branch pipelines without needing the welded connection with the pipelines; and the three-way device has the advantages of simple structure, easy construction and low cost.
Description
Technical field
The present invention relates to a kind of three-way device, particularly about a kind of three-way device for submerged pipeline maintenance.
Background technique
Submerged pipeline is the lifeline that offshore oilfield is produced, it is a kind of shipping channels the most frequently used in Offshore Oil Industry, its advantage is can continus convergence, and hardly by the restriction of the condition such as the depth of water, landform, it is short to lay the duration, and go into operation fast, oil transportation efficiency is high, ability is large, is a requisite part in offshore oil production system.But its shortcoming is pipeline is in seabed, majority is again be embedded in certain depth in seafloor soil, once pipeline is damaged, maintenance and inspection are more difficult.In order to reduce risk, reducing the loss stopping production and cause, after carrying out emergency first-aid repair, should forever repair as early as possible.
The way of press and open holes under water is generally mainly adopted at permanent maintenance pipeline, press and open holes requires on pipeline, weld packet mode threeway, and when certain depth of water, welding tee needs to use underwater dry-type storehouse, because do not have dry environment just welding requirements cannot be met, be unfavorable for the reliable of permanent use.Because dry type storehouse technical difficulty is high, underwater operation is complicated, and investment is comparatively large, is unfavorable for that the pipeline in conventional gas and oil field is changed, repaired.
Present patent application proposes a kind of three-way device being applicable to submerged pipeline maintenance just in this context.
Summary of the invention
Main purpose of the present invention is the above-mentioned shortcoming overcoming prior art existence, and a kind of three-way device being applicable to submerged pipeline maintenance is provided, by the threeway half card assembly that is provided with and docking half card assembly, realize three-way device and hold pipeline external wall tightly, utilize radial and axial sealing mechanism, realize the double-layer seal to pipeline position of opening.Three-way device branch latus rectum can need according to actual branch road and the concrete size of perforating cutter carries out coupling making, the rapid abutting joint of realization and branch line, and without the need to being connected with pipeline welding, structure is simple, easy construction, cost are low.
The object of the invention is to be realized by following technological scheme:
A kind of three-way device being applicable to submerged pipeline maintenance, it is characterized in that: comprise threeway half card assembly, dock half card assembly, wherein said threeway half card assembly includes threeway half card, branch stub, described docking half card assembly includes the docking identical with described threeway half card structure half and blocks, and described threeway half card assembly is fastenedly connected by locking bolt components with the described half card assembly that docks, described threeway half card agent structure is arc semi-circular tube, and described arc semi-circular tube both sides are provided with longitudinal adpting flange plate, and described arc semi-circular tube upper end threeway is connected with branch stub, and described branch stub upper end portion is provided with adpting flange, described threeway half card inwall two ends are provided with radial seal bearing, described radial seal bearing both sides are provided with apex sealing strip, described threeway half card both side ends is provided with and compresses half-watt flange, described compression half-watt flange is fastenedly connected by end tight fixed bolt and the realization of described threeway half card, described threeway half card inwall bilateral symmetry is provided with inner side longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, described inner side is provided with inner side longitudinal sealing circle, described inner side longitudinal sealing circle mounting groove arranged outside has outside longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, described outside is provided with outside longitudinal sealing circle.
Described inner side longitudinal sealing circle and described outside longitudinal sealing circle respectively with described apex sealing strip two end in contact of described radial seal bearing both sides, form the integral sealing ring of double seal.
Beneficial effect of the present invention: the present invention is owing to adopting technique scheme, by the threeway half card assembly that is provided with and docking half card assembly, realize three-way device and hold pipeline external wall tightly, utilize radial and axial sealing mechanism, realize the double-layer seal to pipeline position of opening.Three-way device branch latus rectum can need according to actual branch road and the concrete size of perforating cutter carries out coupling making, the rapid abutting joint of realization and branch line, and without the need to being connected with pipeline welding, structure is simple, easy construction, cost are low.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing illustrates:
Fig. 1 is three-way device axonometric drawing of the present invention;
Fig. 2 is threeway half card assembly axonometric drawing of the present invention;
Fig. 3 is threeway half card modular construction schematic diagram of the present invention;
Fig. 4 is that half card assembly axonometric drawing is docked in the present invention.
Major label description in figure:
1-threeway half card assembly; 2-dock half card assembly; 3-locking bolt components; 4-longitudinal gusset; 5-strengthen gusset; 6-support and connection plate; 7-adpting flange; 11-end tight fixed bolt; 12-compress half-watt flange; 13-apex sealing strip; 14-radial seal bearing; 15-outside longitudinal sealing circle; 16-inner side longitudinal sealing circle; 17-branch stub; 18-arc semi-circular tube; 19-longitudinal adpting flange plate; 21-end tight fixed bolt; 22-compress half-watt flange; 23-apex sealing strip; 24-radial seal bearing; 25-outside longitudinal sealing circle; 26-inner side longitudinal sealing circle.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is described in detail.
As shown in Figure 1, a kind of three-way device being applicable to submerged pipeline maintenance involved in the present invention, by threeway half card assembly 1, dock half card assembly 2, wherein threeway half card assembly 1 includes threeway half card, branch stub 17, dock half card assembly 2 to include the docking identical with threeway half card structure half and block, threeway half card assembly 1 with dock half card assembly 2 and be fastenedly connected by locking bolt components 3.
As shown in Figure 2,3, threeway half card agent structure is arc semi-circular tube 18, arc semi-circular tube 18 both sides are provided with longitudinal adpting flange plate 19, longitudinal gusset 4 is provided with between arc semi-circular tube 18 and longitudinal adpting flange plate 19, arc semi-circular tube 18 upper end threeway is connected with branch stub 17, be provided with support and connection plate 6 between arc semi-circular tube 18 and branch stub 17, branch stub 17 upper end portion is provided with adpting flange 7, is provided with and strengthens gusset 5 bottom branch stub 17 and adpting flange 7, threeway half card inwall two ends are provided with radial seal bearing 14, radial seal bearing 14 both sides are provided with apex sealing strip 13, threeway half card both side ends is provided with and compresses half-watt flange 12, compress half-watt flange 12 to be fastenedly connected by end tight fixed bolt 11 and the realization of threeway half card, threeway half card inwall bilateral symmetry is provided with inner side longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, inner side is provided with inner side longitudinal sealing circle 16, inner side longitudinal sealing circle mounting groove arranged outside has outside longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, outside is provided with outside longitudinal sealing circle 15.Inner side longitudinal sealing circle 16 and outside longitudinal sealing circle 15 respectively with apex sealing strip 13 liang of end in contact of radial seal bearing 14 both sides, form the integral sealing ring of double seal.
As shown in Figure 4, docking half card is identical with threeway half card structure, docking half card agent structure is arc semi-circular tube, arc semi-circular tube both sides are provided with longitudinal adpting flange plate, longitudinal gusset is provided with between arc semi-circular tube and longitudinal adpting flange plate, dock half card inwall two ends and be provided with radial seal bearing 24, radial seal bearing 24 both sides are provided with apex sealing strip 23, dock half card both side ends and be provided with compression half-watt flange 22, compress half-watt flange 22 by end tight fixed bolt 21 with dock half card realization and be fastenedly connected, dock half card inwall bilateral symmetry and be provided with inner side longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, inner side is provided with inner side longitudinal sealing circle 26, inner side longitudinal sealing circle mounting groove arranged outside has outside longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, outside is provided with outside longitudinal sealing circle 25.Inner side longitudinal sealing circle 26 and outside longitudinal sealing circle 25 respectively with apex sealing strip 23 liang of end in contact of radial seal bearing 24 both sides, form the integral sealing ring of double seal.
For structure of the present invention and application are more clearly described, exemplify following example:
The specific implementation process being realized pipeline reparation by three-way device is:
1, determine pipeline cutting position, the marine growth of mechanical jig position and attached interference structure are installed in diver (or ROV) process under water;
2, docking half card assembly 2 to mounting point is lifted;
3, threeway half card assembly 1 to mounting point is lifted, in place above docking half card assembly 2;
4, connect two cover half-watt assemblies, pretension locking bolt components 3 is until setting moment of torsion;
5, the end tight fixed bolt of difference early warning half-watt assembly both sides, until setting moment of torsion, reaches the decrement of design by Sealing compressions such as apex sealing strip, inner side longitudinal sealing circle and outside longitudinal sealing circles;
6, in three-way device interface end, sandwich valve is installed, and punching device under pressure, and carry out perforate;
7, withdraw from boring device, installation pipeline shutoff plug, by main line shutoff, in the middle of cutting pipeline, damage section;
8, hydraulic wireline winch is utilized respectively by the two ends pipeline pull-out water surface, the line segments (containing boring device section) that cutting damages;
9, the water surface installs pipeline ball-valve, one end welded flange, closes ball valve, transfers pipeline to mud face;
10, intermediate section expansion bends is installed, opens ball valve, realize forever reproducing.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. one kind is applicable to the three-way device of submerged pipeline maintenance, it is characterized in that: comprise threeway half card assembly, dock half card assembly, wherein said threeway half card assembly includes threeway half card, branch stub, described docking half card assembly includes the docking identical with described threeway half card structure half and blocks, and described threeway half card assembly is fastenedly connected by locking bolt components with the described half card assembly that docks, described threeway half card agent structure is arc semi-circular tube, and described arc semi-circular tube both sides are provided with longitudinal adpting flange plate, and described arc semi-circular tube upper end threeway is connected with branch stub, and described branch stub upper end portion is provided with adpting flange, described threeway half card inwall two ends are provided with radial seal bearing, described radial seal bearing both sides are provided with apex sealing strip, described threeway half card both side ends is provided with and compresses half-watt flange, described compression half-watt flange is fastenedly connected by end tight fixed bolt and the realization of described threeway half card, described threeway half card inwall bilateral symmetry is provided with inner side longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, described inner side is provided with inner side longitudinal sealing circle, described inner side longitudinal sealing circle mounting groove arranged outside has outside longitudinal sealing circle mounting groove, longitudinal sealing circle mounting groove inside, described outside is provided with outside longitudinal sealing circle.
2. a kind of three-way device being applicable to submerged pipeline maintenance according to claim 1, it is characterized in that: described inner side longitudinal sealing circle and described outside longitudinal sealing circle respectively with described apex sealing strip two end in contact of described radial seal bearing both sides, form the integral sealing ring of double seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604579.8A CN104676192A (en) | 2013-11-26 | 2013-11-26 | Three-way device suitable for seabed pipeline maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604579.8A CN104676192A (en) | 2013-11-26 | 2013-11-26 | Three-way device suitable for seabed pipeline maintenance |
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| Publication Number | Publication Date |
|---|---|
| CN104676192A true CN104676192A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310604579.8A Pending CN104676192A (en) | 2013-11-26 | 2013-11-26 | Three-way device suitable for seabed pipeline maintenance |
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| CN (1) | CN104676192A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018023821A1 (en) * | 2016-08-04 | 2018-02-08 | 深圳朝伟达科技有限公司 | Hot-cast splicing element |
| CN108087659A (en) * | 2017-12-26 | 2018-05-29 | 苏州塔比诺机电有限公司 | A kind of sealing pipeline fixture |
| CN108087657A (en) * | 2017-12-26 | 2018-05-29 | 苏州塔比诺机电有限公司 | A kind of sea-bottom oil-gas pipeline fixture |
| CN113251240A (en) * | 2021-04-26 | 2021-08-13 | 盘锦春亚石油科技有限公司 | Explosion-proof outside of tubes plugging device speedily carries out rescue work |
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| US3954288A (en) * | 1974-03-13 | 1976-05-04 | The Pipe Line Development Co. | Pipe fitting with self-testing seals and method |
| US4756338A (en) * | 1987-06-05 | 1988-07-12 | Thrust Corporation | Pipe repair assemblies to repair pipe when fluids therein are under high pressure |
| US6305719B1 (en) * | 1998-10-30 | 2001-10-23 | Laurence S. Smith, Jr. | Pipe repair clamp |
| CN201706134U (en) * | 2010-05-07 | 2011-01-12 | 周庆涛 | Fastener for blocking underwater pipeline |
| US20120199234A1 (en) * | 2009-07-01 | 2012-08-09 | Colt Services Lp | System and method for modular repair of pipe leaks |
| CN202392354U (en) * | 2011-11-21 | 2012-08-22 | 杭州杭水机械设备制造有限公司 | Pipeline emergency maintenance section |
| CN203549275U (en) * | 2013-11-26 | 2014-04-16 | 天津市海王星海上工程技术股份有限公司 | Tee joint device applicable to maintaining subsea pipeline |
-
2013
- 2013-11-26 CN CN201310604579.8A patent/CN104676192A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954288A (en) * | 1974-03-13 | 1976-05-04 | The Pipe Line Development Co. | Pipe fitting with self-testing seals and method |
| US4756338A (en) * | 1987-06-05 | 1988-07-12 | Thrust Corporation | Pipe repair assemblies to repair pipe when fluids therein are under high pressure |
| US6305719B1 (en) * | 1998-10-30 | 2001-10-23 | Laurence S. Smith, Jr. | Pipe repair clamp |
| US20120199234A1 (en) * | 2009-07-01 | 2012-08-09 | Colt Services Lp | System and method for modular repair of pipe leaks |
| CN201706134U (en) * | 2010-05-07 | 2011-01-12 | 周庆涛 | Fastener for blocking underwater pipeline |
| CN202392354U (en) * | 2011-11-21 | 2012-08-22 | 杭州杭水机械设备制造有限公司 | Pipeline emergency maintenance section |
| CN203549275U (en) * | 2013-11-26 | 2014-04-16 | 天津市海王星海上工程技术股份有限公司 | Tee joint device applicable to maintaining subsea pipeline |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018023821A1 (en) * | 2016-08-04 | 2018-02-08 | 深圳朝伟达科技有限公司 | Hot-cast splicing element |
| CN108087659A (en) * | 2017-12-26 | 2018-05-29 | 苏州塔比诺机电有限公司 | A kind of sealing pipeline fixture |
| CN108087657A (en) * | 2017-12-26 | 2018-05-29 | 苏州塔比诺机电有限公司 | A kind of sea-bottom oil-gas pipeline fixture |
| CN113251240A (en) * | 2021-04-26 | 2021-08-13 | 盘锦春亚石油科技有限公司 | Explosion-proof outside of tubes plugging device speedily carries out rescue work |
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Application publication date: 20150603 |