CN104806817A - Deep-water depth-keeping release lock and application method thereof in deep-water pipeline installation - Google Patents
Deep-water depth-keeping release lock and application method thereof in deep-water pipeline installation Download PDFInfo
- Publication number
- CN104806817A CN104806817A CN201510159395.4A CN201510159395A CN104806817A CN 104806817 A CN104806817 A CN 104806817A CN 201510159395 A CN201510159395 A CN 201510159395A CN 104806817 A CN104806817 A CN 104806817A
- Authority
- CN
- China
- Prior art keywords
- buoyancy aid
- depth
- deep water
- pipeline
- release lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/14—Laying or reclaiming pipes on or under water between the surface and the bottom
-
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
-
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/24—Floats; Weights
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Barrages (AREA)
- Revetment (AREA)
Abstract
The invention discloses a deep-water depth-keeping release lock. The deep-water depth-keeping release lock comprises an air inflation floating body and a padlock, and the air inflation floating body is used for wrapping a pipeline and the padlock is arranged at the periphery of the floating body and used for fastening the floating body; the padlock comprises a hasp and a lock bolt, the lock bolt and the hasp are fastened in a combination way; a spring is arranged on the hasp, a depth adjustment knob screw for adjusting the deformation quantity of the spring is arranged at one end of the spring, and the spring can push away the lock bolt in a set depth. The depth adjustment knob screw is arranged on the deep-water depth-keeping release lock, so that the system depth can be designed by an operator according to a construction region and the depth adjustment knob screw of the padlock can be set; the floating body and the padlock are set so that gas in the floating body is compressed along with change of water depth; the perimeter of the floating body is reduced, and the lock bolt is pushed away by the spring in the hasp, so that the padlock can automatically open. The deep-water depth-keeping release lock is applied to the marine engineering field.
Description
Technical field
The present invention relates to ocean engineering field, particularly relate to a kind of deep water depthkeeping release lock and be applied in deepwater pipelines lay in method.
Background technique
Current offshore oil industry development is rapid, and other engineering in the offshores get more and more, and the amount of laying of submerged pipeline and cable is increasing, but the precision of construction and mechanical discipline supplementary equipment very expensive, and stress precision controlling is difficult.
The tradition laying barge degree of depth of laying the line is limited within 400 meters, mainly because along with the increase of the marine site degree of depth, the length of pipeline that suspends in water increases, suspension pipeline requires linear increasing to the lifting capacity of the saddle loop wheel machine of laying barge, and will increase with exponential form the impact of shipbuilding cost, and security of shipping also will be affected.Therefore a kind of succinct system and method is provided, improves efficiency and the Security of deep-sea pipeline and cable construction, reduce the trend requirement that construction cost is the construction of deep-sea, ocean.
Summary of the invention
For solving the problem, the invention provides that a kind of repeatedly used stabilizing gas dynamically transmits and provide the deep water depthkeeping of buoyant equilibrium discharge lock and be applied in deepwater pipelines lay in method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of deep water depthkeeping release lock, comprise one for the buoyancy aid that wraps up the inflation of pipeline and the padlock for tightening buoyancy aid be arranged with outside buoyancy aid, padlock comprises a snap close and one and to match with snap close the dead bolt of locking, snap close is provided with spring, one end of spring is provided with the degree of depth adjustment knob screw of adjustable springs deformation quantity, and spring pushes dead bolt open in the degree of depth of setting.
Be further used as the improvement of technical solution of the present invention, the other end of spring is provided with baffle plate, is provided with the inclined guide plate that guiding dead bolt goes out snap close in snap close.
Be further used as the improvement of technical solution of the present invention, snap close is provided with bonnet lock hole dead bolt and is provided with dead bolt lingual surface, and dead bolt lingual surface is snapped in bonnet lock hole.
Be further used as the improvement of technical solution of the present invention, the cross section of buoyancy aid is an annulus being provided with opening, and buoyancy aid two ends are provided with the interface that can connect tracheae.
Above-mentioned deep water depthkeeping release lock and be applied in deepwater pipelines lay in a method, it is characterized in that, comprise the following steps:
1), by some deep water depthkeeping release locks be evenly arranged on the pipeline needing to lay, between each adjacent deep water depthkeeping release lock, all connect tracheae;
2), each deep water depthkeeping release lock parcel is needed the pipeline laid;
3), snap close be connected with dead bolt and lock deep water depthkeeping release lock;
4), according to the laying depth percentage regulation adjustment knob screw of pipeline;
5), each tracheae all connect successively pressure difference valve and depart from draught excluder, set the pressure of each pressure difference valve according to the laying depth of pipeline, setting value is less than depth difference;
6), to buoyancy aid inflation, pipeline drives buoyancy aid to sink;
7), pipeline arrive predetermined depth, deep water depthkeeping release lock padlock unlock release, pipelining success, deep water depthkeeping release lock with buoyancy aid float, reclaim whole laying system.
Beneficial effect of the present invention: this deep water depthkeeping release lock is provided with degree of depth adjustment knob screw, make system can according to construction area designed depth by operator, the degree of depth adjustment knob screw of padlock sets, the buoyancy aid of the inflation be provided with and padlock, make to work as along with water depth ratio, in buoyancy aid, gas is compressed, and buoyancy aid girth diminishes, dead bolt is released by snap close inner spring, and padlock is opened automatically; This deep water depthkeeping release lock be applied in deepwater pipelines lay in method structure simple, with low cost, handling safety, buoyancy aid can assist its recoverys to reuse, effectively the cost of reduction deep-sea pipeline construction.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 be described in the embodiment of the present invention deep water depthkeeping release lock be applied in deepwater pipelines lay in overall structure schematic diagram;
Fig. 2 is the overall structure schematic diagram of deep water depthkeeping release lock described in the embodiment of the present invention;
Fig. 3 is snap close plan view described in the embodiment of the present invention;
Fig. 4 is snap close overall structure schematic diagram described in the embodiment of the present invention;
Fig. 5 is dead bolt plan view described in the embodiment of the present invention;
Fig. 6 is dead bolt plan view described in the embodiment of the present invention.
Embodiment
With reference to Fig. 1 ~ Fig. 6, the present invention is a kind of deep water depthkeeping release lock, comprise one for the buoyancy aid 12 that wraps up the inflation of pipeline 2 and the padlock 11 for tightening buoyancy aid 12 be arranged with outside buoyancy aid 12, padlock 11 comprises a snap close 13 and one and to match with snap close 13 dead bolt 14 of locking, snap close 13 is provided with spring 16, one end of spring 16 is provided with the degree of depth adjustment knob screw 17 of adjustable springs deformation quantity, and spring 16 pushes dead bolt 14 open in the degree of depth of setting.
This deep water depthkeeping release lock is provided with degree of depth adjustment knob screw 17, make system can according to construction area designed depth by operator, the degree of depth adjustment knob screw 17 of padlock 11 sets, the buoyancy aid 12 of the inflation be provided with and padlock 11, make to work as along with water depth ratio, in buoyancy aid 12, gas is compressed, and buoyancy aid 12 girth diminishes, dead bolt 14 is released by snap close 13 inner spring 16, and padlock 11 is opened automatically; This deep water depthkeeping release lock be applied in deepwater pipelines lay in method structure simple, with low cost, handling safety, buoyancy aid 12 can assist its recoverys to reuse, effectively the cost of reduction deep-sea pipeline construction.
As the preferred embodiment of the present invention, the other end of spring 16 is provided with baffle plate 15, is provided with the inclined guide plate 18 that guiding dead bolt 14 passes in and out snap close 13 in snap close 13.
As the preferred embodiment of the present invention, snap close 13 is provided with bonnet lock hole 131, and dead bolt 14 is provided with dead bolt lingual surface 141, and dead bolt lingual surface 141 is snapped in bonnet lock hole 131.
As the preferred embodiment of the present invention, the cross section of buoyancy aid 12 is an annulus being provided with opening, and buoyancy aid 12 two ends are provided with the interface that can connect tracheae 5.
Before release, the bonnet lock hole 131 of the dead bolt lingual surface 141 of snap close 13 through dead bolt 14 is fastened, similar military belt mode, according to the release depth of water, adjustment release degree of depth adjustment knob screw 17, when buoyancy aid 12 follows cable or steel pipe sinks in water, external pressure constantly increases, according to pressure formula PV/T=constant, temperature variation is ignored, as under 3000 meters of depth of water operating modes, buoyancy aid 12 volume-diminished 300 times, then buoyancy aid 12 radius reduces, buoyancy aid 12 girth reduces, then bundling belt is relaxed to expected degree, spring 16 in padlock 11 promotes baffle plate 15 and dead bolt 14 is released snap close 13 along inclined guide plate 18, unlock, inclined guide plate 18 passes in and out snap close 13 for the dead bolt 14 that leads, buoyancy aid 12 unlocks rear disengaging steel pipe or cable floats.
Above-mentioned deep water depthkeeping release lock and be applied in deepwater pipelines lay in a method, it is characterized in that, comprise the following steps:
1), by some deep water depthkeeping release locks 1 be evenly arranged on the pipeline 2 needing to lay, between each adjacent deep water depthkeeping release lock 1, all connect tracheae 5;
2), each deep water depthkeeping release lock 1 is wrapped up the pipeline 2 needing to lay;
3), snap close 13 be connected with dead bolt 14 and lock deep water depthkeeping release lock 1;
4), according to the laying depth percentage regulation adjustment knob screw 17 of pipeline 2;
5), each tracheae 5 all connect successively pressure difference valve 3 and depart from draught excluder 4, set the pressure of each pressure difference valve 3 according to the laying depth of pipeline 2, setting value is less than depth difference;
6), to buoyancy aid 12 inflate, pipeline 2 drives buoyancy aid 12 to sink;
7), pipeline 2 arrives predetermined depth, and the padlock 11 of deep water depthkeeping release lock 1 unlocks release, and pipeline 2 lays successfully, and deep water depthkeeping release lock 1 floats with buoyancy aid 12, reclaims whole laying system.
The spacing of each buoyancy aid 12 is according to the weight set of pipeline 2, system by operator according to construction area designed depth, gravity in the pipelining of the construction pipeline Selecting parameter equilibrium of floating bodies, reduce pipeline 2 stress deformation and damage, by setting pressure difference valve 3, standard buoyancy aid 12 spacing, is sunk by buoyancy aid 12 and respective lines 2, the buoyancy aid 12 of deep is subject to pressure to be increased, and in buoyancy aid 12, one is delivered in the buoyancy aid 12 of higher position.Gas pressure intensity P in the buoyancy aid 12 of higher position
n-1for gas pressure intensity P in comparatively low level buoyancy aid 12
ndeduct the corresponding pressure P of pressure difference valve 3
0, i.e. P
n=P
0+ P
n-1; The wherein corresponding pressure P of pressure difference valve 3
0for setting in seawater inner height difference according to buoyancy aid in working design 12.The outer attached buoyancy aid 12 of pipeline, inflation in buoyancy aid 12, nitrogen or similar gas, gas pressure is standard atmospheric pressure, according to setting parameter buoyancy aid 12 spacing such as pipeline weight, is connected between buoyancy aid 12 by tracheae, and tracheae 5 is provided with pressure difference valve 3 and departs from draught excluder 4.Pressure difference valve 3 setting pressure sets according to the vertical depth of buoyancy aid 12 in water, setting value is less than depth difference, then along with pipeline 2 drives buoyancy aid 12 to sink, external pressure increases, in buoyancy aid 12, gas is compressed and is flowed to high bit buoyancy aid 12, and buoyancy aid 12 radius reduces, and buoyancy aid 12 girth reduces, depart from pipeline 2 at set point buoyancy aid 12 to float, be recovered and reuse.
Certainly, the invention is not limited to above-mentioned mode of execution, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (5)
1. a deep water depthkeeping release lock, it is characterized in that: comprise one for the buoyancy aid (12) that wraps up the inflation of pipeline (2) and the padlock (11) for tightening described buoyancy aid (12) be arranged with outside described buoyancy aid (12), described padlock (11) comprises a snap close (13) and one and to match with described snap close (13) dead bolt (14) of locking, described snap close (13) is provided with spring (16), one end of described spring (16) is provided with degree of depth adjustment knob screw (17) of adjustable springs deformation quantity, described spring (16) pushes dead bolt (14) open in the degree of depth of setting.
2. the release of deep water depthkeeping is locked according to claim 1, it is characterized in that: the other end of described spring (16) is provided with baffle plate (15), is provided with the inclined guide plate (18) of guiding dead bolt (14) turnover snap close (13) in described snap close (13).
3. deep water depthkeeping release lock according to claim 1 or 2, it is characterized in that: described snap close (13) is provided with bonnet lock hole (131), described dead bolt (14) is provided with dead bolt lingual surface (141), and described dead bolt lingual surface (141) is snapped in bonnet lock hole (131).
4. the release of deep water depthkeeping is locked according to claim 1, it is characterized in that: the cross section of described buoyancy aid (12) is an annulus being provided with opening, and described buoyancy aid (12) two ends are provided with the interface that can connect tracheae (5).
5. claim 1 or the deep water depthkeeping described in 2 or 4 release lock and be applied in deepwater pipelines lay in a method, it is characterized in that, comprise the following steps:
1), by some deep water depthkeepings release lock (1) be evenly arranged on the pipeline (2) needing to lay, between each adjacent deep water depthkeeping release lock (1), all connect tracheae (5);
2), each deep water depthkeeping release lock (1) parcel is needed the pipeline (2) laid;
3), described snap close (13) be connected with dead bolt (14) and lock deep water depthkeeping release lock (1);
4), according to laying depth percentage regulation adjustment knob screw (17) of pipeline (2);
5), each described tracheae (5) all connect successively pressure difference valve (3) and depart from draught excluder (4), set the pressure of each pressure difference valve (3) according to the laying depth of pipeline (2), setting value is less than depth difference;
6), to described buoyancy aid (12) inflation, described pipeline (2) drives buoyancy aid (12) to sink;
7), described pipeline (2) arrive predetermined depth, deep water depthkeeping release lock (1) padlock (11) unlock release, described pipeline (2) lays successfully, deep water depthkeeping release lock (1) with buoyancy aid (12) float, reclaim whole laying system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159395.4A CN104806817B (en) | 2015-04-03 | 2015-04-03 | Method for applying deep-water depth-keeping release lock to deep-water pipeline installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510159395.4A CN104806817B (en) | 2015-04-03 | 2015-04-03 | Method for applying deep-water depth-keeping release lock to deep-water pipeline installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806817A true CN104806817A (en) | 2015-07-29 |
| CN104806817B CN104806817B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510159395.4A Active CN104806817B (en) | 2015-04-03 | 2015-04-03 | Method for applying deep-water depth-keeping release lock to deep-water pipeline installation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481882A (en) * | 2016-11-17 | 2017-03-08 | 浙江海洋大学 | A kind of off-shore pipeline laying apparatus and laying method |
| CN106481884A (en) * | 2016-11-17 | 2017-03-08 | 浙江海洋大学 | A kind of Multifunctional marine pipe installation ship |
| CN106499874A (en) * | 2016-11-17 | 2017-03-15 | 浙江海洋大学 | A kind of off-shore pipeline body transfers control device |
| CN106764062A (en) * | 2016-11-17 | 2017-05-31 | 浙江海洋大学 | A kind of underwater pipeline lays servicing unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020514A (en) * | 1975-12-12 | 1977-05-03 | Sanders Associates, Inc. | Bottom release mechanism for a sonobuoy |
| US4068492A (en) * | 1976-08-05 | 1978-01-17 | Reneau Bobby J | Underwater pipeline coupling apparatus |
| KR101313562B1 (en) * | 2012-02-28 | 2013-10-01 | 삼성중공업 주식회사 | Floating support apparatus for pipeline, pipe laying vessel using the floating support apparatus, and submerged-pipeline installation method using the floating support apparatus |
| KR101347359B1 (en) * | 2012-02-23 | 2014-01-16 | 삼성중공업 주식회사 | Buoy for pipeline laying in subsea |
| CN204592559U (en) * | 2015-04-03 | 2015-08-26 | 广州文冲船厂有限责任公司 | A kind of deep water depthkeeping release lock |
-
2015
- 2015-04-03 CN CN201510159395.4A patent/CN104806817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020514A (en) * | 1975-12-12 | 1977-05-03 | Sanders Associates, Inc. | Bottom release mechanism for a sonobuoy |
| US4068492A (en) * | 1976-08-05 | 1978-01-17 | Reneau Bobby J | Underwater pipeline coupling apparatus |
| KR101347359B1 (en) * | 2012-02-23 | 2014-01-16 | 삼성중공업 주식회사 | Buoy for pipeline laying in subsea |
| KR101313562B1 (en) * | 2012-02-28 | 2013-10-01 | 삼성중공업 주식회사 | Floating support apparatus for pipeline, pipe laying vessel using the floating support apparatus, and submerged-pipeline installation method using the floating support apparatus |
| CN204592559U (en) * | 2015-04-03 | 2015-08-26 | 广州文冲船厂有限责任公司 | A kind of deep water depthkeeping release lock |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481882A (en) * | 2016-11-17 | 2017-03-08 | 浙江海洋大学 | A kind of off-shore pipeline laying apparatus and laying method |
| CN106481884A (en) * | 2016-11-17 | 2017-03-08 | 浙江海洋大学 | A kind of Multifunctional marine pipe installation ship |
| CN106499874A (en) * | 2016-11-17 | 2017-03-15 | 浙江海洋大学 | A kind of off-shore pipeline body transfers control device |
| CN106764062A (en) * | 2016-11-17 | 2017-05-31 | 浙江海洋大学 | A kind of underwater pipeline lays servicing unit |
| CN106764062B (en) * | 2016-11-17 | 2018-10-12 | 浙江海洋大学 | A kind of underwater pipeline laying auxiliary device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104806817B (en) | 2017-04-12 |
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