CN202140731U - Seabed pipe expansion displacement self-adaptive pipeline end - Google Patents

Seabed pipe expansion displacement self-adaptive pipeline end Download PDF

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Publication number
CN202140731U
CN202140731U CN 201120218788 CN201120218788U CN202140731U CN 202140731 U CN202140731 U CN 202140731U CN 201120218788 CN201120218788 CN 201120218788 CN 201120218788 U CN201120218788 U CN 201120218788U CN 202140731 U CN202140731 U CN 202140731U
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CN
China
Prior art keywords
slide rail
slipper bracket
slide
stress transfer
duct end
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Expired - Fee Related
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CN 201120218788
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Chinese (zh)
Inventor
段梦兰
郭磊
李婷婷
李丽玮
董楠
倪明晨
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China University of Petroleum Beijing
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China University of Petroleum Beijing
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Priority to CN 201120218788 priority Critical patent/CN202140731U/en
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Abstract

A seabed pipe expansion displacement self-adaptive pipeline end mainly comprises a settlement prevention plate, a partial slip mechanism and a technological bend pipe. The settlement prevention plate is fixedly provided with a main beam frame on which a main suspension bracket is fixed. The partial slip mechanism comprises a slide rail which is fixed on the main beam frame, and a slide carriage which can slide repeatedly in the direction of the slide rail. The sliding carriage is slidably matched with the slide rail. The technological bend pipe comprises at least one horizontal segment which is fixedly equipped on the slide carriage along a direction which is parallel with that of the slide rail. Therefore, the seabed pipe expansion displacement self-adaptive pipeline end quickly eliminate displacement change of the seabed pipeline and effectively protects seabed pipeline and equipment through two slip stages of integral slip of the partial slip mechanism and the settlement prevention plate.

Description

The duct end of self adaption submerged pipeline expansion displacement
Technical field
The utility model relates to a kind of duct end, especially relates to a kind of duct end of self adaption submerged pipeline expansion displacement.
Background technique
Duct end is an important component part of seabed connected system, is mainly used in to realize pipeline and under water between the production facility, like the connection between subsea production tree, subsea manifold, the pipeline etc.In the process of deployment of submerged pipeline,, will adopt duct end to connect, otherwise directly connect with jumper pipe if the distance between production tree and the manifold is long.Then adopt duct end to be connected between manifold and the manifold terminal.
Wherein, be used to connect the duct end that submerged pipeline is connected with subsea production tree and subsea manifold and have the technology bend pipe, and will be connected by jumper pipe between duct end and production tree and the manifold; Be used for the duct end that pipeline is connected with pipeline and only be with straight-through tube.The heat expansion phenomenon can take place after feeding high temperature oil in submarine pipeline; Can produce bigger larger thermal expanding displacement after the several kilometers pipeline heat expansion accumulations; Too accumulate in order to prevent heat expansion stress; Cause the pipeline flexing or other equipment damaged that duct end has played prevention and avoided the effect of pipeline and device damage.But existing duct end overall weight is big, fast in the stress inflation process, can not effectively eliminate the change in displacement that pipeline stress expands and produces at submerged pipeline, still can cause the damage of submerged pipeline and equipment.
The model utility content
The technical problem that the utility model solves provides a kind of duct end of self adaption submerged pipeline expansion displacement, has the local slipping mechanism that quick elimination submerged pipeline expansion displacement changes.
The technical solution of the utility model is:
A kind of duct end of self adaption submerged pipeline expansion displacement includes mud mat, local slipping mechanism and technology bend pipe; Be fixed with the main body roof beam structure on the mud mat, be fixed with main suspension bracket on the said main body roof beam structure; Local slipping mechanism comprises the slide rail that is fixedly set on the said main body roof beam structure and the slipper bracket that can reciprocatingly slide along said slide rail direction, the setting that is slidingly matched of said slipper bracket and said slide rail; The technology bend pipe comprises at least one horizontal segment, and this horizontal segment is fixedly set on the said slipper bracket along parallel said slide rail direction.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, an end of the slide rail of said local slipping mechanism is provided with the block of the said slipper bracket slippage of restriction.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, said local slipping mechanism is provided with two slide rails that laterally arrange; Said slipper bracket is the bridge-type slipper bracket; Each said slide rail dual-side is respectively equipped with chute along said slide rail long axis direction; Said slipper bracket dual-side is provided with the wing plate that corresponding said slide rail is provided with; The end that said wing plate contacts with said slide rail is provided with the slide cartridge that can fasten with said slide rail, and said slide cartridge inboard is provided with the card tooth that can be provided with said chute sliding engaged.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, said slide cartridge is semicircle cylindrical shell, the semicircular track of said slide rail for matching with the shape of said slide cartridge; Said wing plate becomes the 45 setting with plane, two said slide rails place, and said wing plate and said slide cartridge are tangent.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement; Wherein, Said main suspension bracket is provided with the stress transfer seat; Said stress transfer seat is provided with and protects wire casing, and the horizontal segment of said technology bend pipe can be arranged at said protecting in the wire casing slidably, and said protect to be fixed with on the wire casing prevent that said technology bend pipe is along vertical its axially movable line protecting clip.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, a stress transfer platform is fixedly set on the technology bend pipe between said slipper bracket and the said stress transfer seat; Corresponding said stress transfer platform one side of said stress transfer seat is provided with one and cooperatively interacts with said stress transfer platform shape and groove that can ccontaining this stress transfer platform.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, said stress transfer platform is one to have the circular cone of through hole, said technology bend pipe wears this through hole and fixedly installs with this stress transfer platform; The semicircle frustum connected in star of said groove for being equipped with this stress transfer platform.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement; Wherein, Said slipper bracket middle part is provided with the containing groove of ccontaining said technology bend pipe horizontal segment along long axis direction, and the horizontal segment of said technology bend pipe is fixed in the containing groove of said slipper bracket via the fixation clamp that is arranged on the said slipper bracket; Also be provided with a plurality of lightening holes on the said slipper bracket.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, said mud mat is the Sledge type mud mat, its each edge is the circular arc limit of the warpage that makes progress; And offer a plurality of permeable holes on the said mud mat.
The duct end of above-mentioned self adaption submerged pipeline expansion displacement, wherein, first end of the slide rail of said local slipping mechanism is provided with the block of the said slipper bracket slippage of restriction; Said local slipping mechanism is provided with two slide rails that laterally arrange; Said slipper bracket is the bridge-type slipper bracket; Each said slide rail dual-side is respectively equipped with chute along the slide rail long axis direction; Said slipper bracket dual-side is provided with the wing plate that corresponding said slide rail is provided with; The end that said wing plate contacts with said slide rail is provided with the slide cartridge that can fasten with said slide rail, and said slide cartridge inboard is provided with the card tooth that can be provided with said chute sliding engaged; Said slide cartridge is semicircle elongate body, the semicircle slide rail of said slide rail for matching with the shape of slide cartridge; Said wing plate becomes the 45 setting with plane, two said slide rail places, and said wing plate is positioned at the tangent position at said slide cartridge tie point place; Said slipper bracket middle part is provided with the containing groove of ccontaining said technology bend pipe horizontal segment along long axis direction, and the horizontal segment of said technology bend pipe is fixed in the containing groove of said slipper bracket via the fixation clamp that is arranged on the said slipper bracket; Also be provided with a plurality of lightening holes on the said slipper bracket; Said mud mat is the Sledge type mud mat, and its each edge is the circular arc limit of the warpage that makes progress; And offer a plurality of permeable holes on the said mud mat; Said main suspension bracket is provided with can swing 150 ° firm arm.
Learn that by above explanation the utility model can reach following effect compared with prior art really:
The duct end of the self adaption submerged pipeline expansion displacement of the utility model connects submarine pipeline and subsea production tree, subsea manifold, manifold terminal and other pipeline etc. for being used to, and can eliminate the novel seabed duct end of the change in displacement that burst stress that pipeline causes because of high temperature oil produces.This duct end has local slide mechanism, can eliminate the instantaneous expansion displacement of the maximum of a setting fast, and when displacement amount exceeded this setting ultimate range, local slide mechanism quit work, and transferring to the Sledge type mud mat is master's integral body slip.This duct end has stress distribution device, and submerged pipeline is owing to the load that gravity in the water causes directly is added on the local slipping mechanism in the time of can avoiding the pipe laying terminal.
In addition, the duct end of the self adaption submerged pipeline expansion displacement of the utility model also has the following advantages:
1, the dual functions that has local slippage and integral slipping, local slippage has willing characteristics, and whole the slip has the characteristics of the changeable load of suit;
2, the local slipping mechanism that adopts is provided with the moment displacement of maximum adaptation, has effectively cushioned damaging impact and other unpredictable accident that instantaneous expansion possibly cause;
3, when the submerged pipeline displacement amount exceeds the setpoint distance of maximum adaptation, duct end transfers to and carries out integral body and slide, and can adapt to the expansion of big displacement slowly;
4, the stress transfer seat matches with the stress transfer platform, has effectively prevented because the load that the submerged pipeline action of gravity of long distance produces directly is added on the slide mechanism;
5, the stress transfer platform on the technology bend pipe is a truncated cone, helps its groove with the stress transfer seat and matches;
6, the stress transfer seat has the truncated cone groove, helps matching with the stress transfer platform, and itself and main body roof beam structure and the weldering of main suspension bracket are one, have born most of external load, have protected slipping mechanism;
7, just arm (Yoke) can be swung 150 °, and it can adjust the position of duct end flexibly with main arm, is convenient to the installation under water of duct end.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model preferred embodiment;
Fig. 2 is the slide rail of the utility model preferred embodiment and the combination schematic representation of slipper bracket;
Fig. 3 is the slide rail of the utility model preferred embodiment and the combination of side view of slipper bracket;
Fig. 4 is the combination schematic representation of slide rail, slipper bracket, technology bend pipe and the stress transfer platform of the utility model preferred embodiment;
Fig. 5 is the combination schematic representation of technology bend pipe, stress transfer platform and the stress transfer seat of the utility model preferred embodiment;
Fig. 6 is the mud mat of the utility model and the structural representation of main body roof beam structure.
The primary component label declaration:
1: mud mat 2: main body roof beam structure 3: firm arm
4: main suspension bracket 5: technology bend pipe 6: stress transfer platform
7: stress transfer seat 71: groove 8: line protecting clip
9: fixation clamp 10: slipper bracket 101: lightening hole
102: containing groove 103: card tooth 11: slide rail
111: block 112: chute 12: permeable hole
Embodiment
A kind of duct end of self adaption submerged pipeline expansion displacement includes: mud mat, local slipping mechanism and skill bend pipe, be fixed with the main body roof beam structure on the mud mat, and be fixed with main suspension bracket on the said main body roof beam structure; Local slipping mechanism comprises the slide rail that is fixedly set on the said main body roof beam structure and the slipper bracket that can reciprocatingly slide along said slide rail direction, the setting that is slidingly matched of said slipper bracket and said slide rail; The technology bend pipe comprises at least one horizontal segment, and this horizontal segment is fixedly set on the said slipper bracket along parallel said slide rail direction.This duct end is provided with local slipping mechanism; Can eliminate the expansion displacement of certain distance fast; When the piping displacement amount exceeds the skidding distance of local slipping mechanism setting; Local slipping mechanism quits work, and is that main integral slipping moves and eliminates the further change in displacement of pipeline and transfer to the mud mat; Whereby; The utility model is eliminated the piping displacement variation through the local slipping mechanism of duct end and the two-stage slide device of mud mat integral slipping; And make the pipeline can be, thereby avoid pipeline and other equipment are damaged because of the change in displacement flexing of thermal expansion or burst.
Understand for technical characteristics, purpose and effect to the utility model have more clearly, contrast the embodiment of description of drawings the utility model at present.
As shown in Figure 1; Be the overall structure schematic representation of the duct end preferred embodiment of a kind of self adaption submerged pipeline expansion displacement of the utility model, the duct end of the self adaption submerged pipeline expansion displacement of the utility model includes: mud mat 1, local slipping mechanism and technology bend pipe 5; Be fixed with main body roof beam structure 2 on the mud mat 1, in order to strengthening the overall construction intensity of mud mat 1, and the platform that is provided with as other structures of duct end; On main body roof beam structure 2, be fixed with main suspension bracket 4, so that duct end is transferred installation exercise; Local slipping mechanism comprises the slide rail 11 that is fixedly set on the main body roof beam structure 2 and the slipper bracket 10 that can reciprocatingly slide along said slide rail 11 directions; Slipper bracket 10 can be equipped with to slide relative with slide rail 11, the eliminate stress ultimate range of expansion displacement variation of the inside self adaption that slipper bracket 10 and the maximum local skidding distance that is fixed on slide relative between the slide rail 11 on the main suspension bracket 4 define the utility model duct end; Technology bend pipe 5 includes at least one horizontal segment, and this horizontal segment is fixedly set on the slipper bracket 10 along parallel sliding track 11 directions, the submerged pipeline (also can connect submerged pipeline that other directions be provided with, not as limit) of one of which end in order to connect horizontal positioned.
The local slipping mechanism of the utility model is provided with the slide rail 11 that supplies slipper bracket 10 slippages; Preferable, a wherein end of the slide rail 11 of the local slipping mechanism of the utility model is provided with block 111, and this block 111 is in order to the skidding distance of limit slippage carriage 10; When the end of slide rail 11 is arrived in slipper bracket 10 slippages; Block 111 will play the effect that stops that slipper bracket 10 continues to move ahead, and the while also is the startup flip flop equipment as the whole displacement of second level duct end of the elimination submerged pipeline stress expansion displacement of the utility model, promptly after ultimate range is set in slipper bracket 10 slippages one; One end of slipper bracket 10 is against the block 111 of living slide rail 11 1 ends; And slipper bracket 10 suffered thrusts are transferred on the slide rail 11, owing to slide rail 11 and mud mat 1 fixedly install, thereby; Slide rail 11 will drive that the whole pipe terminal is whole slides, and eliminate the effect of pipeline stress in the larger context and the displacement that occurs is moved.
Like Fig. 2 and shown in Figure 3; Be the slide rail 11 of the duct end preferred embodiment of the self adaption submerged pipeline expansion displacement of the utility model and the combination schematic representation and the side view of slipper bracket 10; And Fig. 4, be the combination schematic representation of slide rail 11, slipper bracket 10, technology bend pipe 5 and the stress transfer platform 6 of the duct end preferred embodiment of the self adaption submerged pipeline expansion displacement of the utility model; The duct end of the utility model, preferable, its local slipping mechanism is provided with two slide rails that laterally arrange 11, and is fixedly set on the main body roof beam structure 2, and is respectively equipped with chute 112 in the both sides of each slide rail 11 along slide rail 11 long axis directions; As shown in the figure; What the slipper bracket 10 in the present embodiment was preferable is a bridge-type slipper bracket 10; Slipper bracket 10 dual-sides are provided with the wing plate that corresponding two slide rails 11 are provided with; The end that wing plate contacts with slide rail 11 is provided with the slide cartridge that can fasten with slide rail 11, and preferable, the inboard of slide cartridge be provided with can with the card tooth 103 of the chute 112 corresponding sliding engaged of slide rail 11; Through chute 112 and card the cooperating of tooth 103, make it to be meshing with each other and can not come off, in order to support slipper bracket 10, make the complete coordination of local slipping mechanism, and guarantee that slipper bracket 10 has only a free sliding degree.Aforesaid bridge-type slipper bracket 10 carries in the containing groove 102 of technology bend pipe 5 position between wherein, and via the wing plate of bridge-type slipper bracket 10 both sides pressure evenly is dispersed to both sides, and that has reduced wing plate receives the bending degree.
As shown in the figure, preferable, the slide cartridge of the duct end of the self adaption submerged pipeline expansion displacement of the utility model is semicircle cylindrical shell, and its slide rail 11 is that shape with slide cartridge is to the semicircular track that cooperates; Further; Wing plate becomes 45 ° of settings with the plane at two slide rails 11 place, and wing plate and slide cartridge are tangent, therefore; Load transfer on the slipper bracket 10 shows as pressure to 11 last times of slide rail; Vertical slide rail 11 is downward, and can not cause distortion distortion to slide cartridge, has prevented effectively that stress from concentrating and the appearance of the crack conditions that causes.
The duct end of the self adaption submerged pipeline expansion displacement of aforesaid the utility model; Has local slipping mechanism; Make it when submerged pipeline runs into expansion displacement, at first, protect pipeline and device security in the inner influence of eliminating the displacement of a setpoint distance of duct end.When submerged pipeline expanded the generation displacement, technology bend pipe 5 promoted slipper brackets 10 and on slide rail 11, moves, and the effect of expansion displacement is eliminated in realization duct end inside in advance; Setting according to slipper bracket 10 displacement distances; When slipper bracket 10 1 ends move to block 111 places of slide rail 11, and during ejection block 111, the process of the elimination submerged pipeline expansion displacement of the inside first order of duct end finishes; At this moment; Slide rail 11 receives thrust and acts on the mud mat 1, makes the whole pipe terminal continue slippage, further eliminates because the influence that the submerged pipeline expansion displacement brings.Thus, realized the eliminate stress function of expansion displacement of two-stage to submerged pipeline, and the inside adaptation function of duct end can need not at first to realize the effect of response fast under the whole situation about moving of duct end.
The duct end of the self adaption submerged pipeline expansion displacement of the utility model is in carrying out second level pipeline displacement course of adaptation, through mud mat 1 integral slipping realization in the seabed.In the present embodiment, preferable, like Fig. 1 and shown in Figure 6, mud mat 1 is a Sledge type mud mat 1, and its each edge thus, can make mud mat 1 in the integral slipping process, can cross small-sized obstacle more smoothly for the circular arc limit of the warpage that makes progress.Further; Also offer a plurality of permeable holes 12 on the mud mat 1; Said permeable hole 12 is uniformly distributed on the mud mat 1, through permeable hole 12 is set, can be convenient to discharge and discharges water between the two when mud mat 1 contacts with sea bed; Be convenient to flow out the water of separating out in the sea bed soil, guarantee the stability of duct end in the integral slipping process; On the other hand, in the time of also can reducing pipe laying terminal, below, duct end avoids taking place random flop phenomenon to the resistance of water.Preferably, the main body roof beam structure 2 that is arranged on the mud mat 1 is the I-steel frame structure, has satisfied light and handy and the high dual indexes of intensity.
Submerged pipeline has bigger weight; And technology bend pipe 5 is set directly at 10 last times of slipper bracket; Slipper bracket 10 will bear certain action of gravity, particularly in the process of transferring the pipe laying terminal, if the gravity that it bore is excessive; Then can influence the shuffle effect of slipper bracket 10 on slide rail 11, even damage whole local slipping mechanism.In order to address this problem; The duct end of the self adaption submerged pipeline expansion displacement of the utility model also is provided with stress transfer seat 7 and stress transfer platform 6; So that the induced pressure of submerged pipeline is transferred to main suspension bracket 4 and acts on main body roof beam structure 2 and the mud mat 1 from technology bend pipe 5, protect local slipping mechanism.
As shown in Figure 5; Preferable, the main suspension bracket 4 of the utility model is provided with stress transfer seat 7, and stress transfer seat 7 is provided with and protects wire casing; The horizontal segment of technology bend pipe 5 can be arranged at slidably and protect in the wire casing, and the glide direction of technology bend pipe 5 is the length direction slips along aforementioned slide rail 11; Protect being fixed with restriction technology bend pipe 5 on the wire casing, technology bend pipe 5 is positioned on the duct end, and can not breaks away from this duct end along vertical its axially movable line protecting clip 8.In the present embodiment, stress transfer seat 7 is arranged at the outside that slide rail 11 is not provided with an end of block 111, makes slide rail 11 blocks 111 and stress transfer seat 7 form two end points of common limit slippage carriage 10 skidding distances.Preferable, the stress transfer seat 7 of the utility model is roughly a trapezoidal stage body, can load be distributed to the bottom section of broad effectively from less top area, and then be delivered on main suspension bracket 4 and the main body roof beam structure 2, prevents that stress from concentrating.
The duct end of the self adaption submerged pipeline expansion displacement of the utility model; Preferable; Slipper bracket 10 middle parts are provided with the containing groove 102 of ccontaining technology bend pipe 5 horizontal segments along long axis direction, and the horizontal segment of technology bend pipe 5 is fixed in the containing groove 102 of slipper bracket 10 via the fixation clamp 9 that is arranged on the slipper bracket 10; And also be provided with a plurality of lightening holes 101 on the slipper bracket 10, make slipper bracket 10 form the rib cage structure, and it be big to have quality minor structure intensity.Line protecting clip 8 of the utility model and fixation clamp 9 can adopt the mode of bolt to fix, but not as limit.
Please consult shown in Figure 5ly, preferable, the stress transfer platform 6 of the utility model is fixedly set on the technology bend pipe 5 between slipper bracket 10 and the stress transfer seat 7; Stress transfer seat 7 relative stress transfer station 6 one sides are provided with one and cooperatively interact with stress transfer platform 6 shapes and groove 71 that can ccontaining this stress transfer platform; Stress transfer platform 6 can be inserted in this groove 71 along with moving of technology bend pipe 5, and groove 71 can play the effect of support to this stress transfer platform 6; So; When stress transfer platform 6 is placed in the groove 71 of stress transfer seat 7; The action of gravity of pipeline is on stress transfer platform 6, and stress transfer platform 6 is supported by stress transfer seat 7, with this with on the load transfer on the pipeline to the stress transfer seat 7; And then be distributed on the main body roof beam structure 2, avoid damaging slipper bracket 10.
In the present embodiment, the stress transfer platform 6 of the duct end of above-mentioned self adaption submerged pipeline expansion displacement, preferable, be one to have the circular cone of through hole, technology bend pipe 5 wears through hole and fixedly installs with circular cone; And be arranged at groove 71 on the stress transfer seat 7 is the semicircle frustum connected in star 71 that can be equipped with the stress transfer platform 6 of truncated cone shape; And the periphery inclined-plane of the stress transfer platform 6 of this truncated cone is the inclined-plane that tilts to stress transfer seat 7 directions, so that stress transfer platform 6 gets in the groove 71 of stress transfer seat 7 during along with 5 slippages of technology bend pipe.In addition; Stress transfer platform 6 can also be as the positive stop 111 of slipper bracket 10 the other ends: behind the groove 71 that stress transfer platform 6 gets in the stress transfer seats 7; To laterally replace stress transfer seat 7; If there is horizontal adaptability to changes to force technology bend pipe 5 to continue to move to stress transfer seat 7 directions, then stress transfer platform 6 is understood this thrust on stress transfer seat 7, and makes main suspension bracket 4 drive whole pipe terminal slippages.
The stress transfer platform 6 of the utility model, itself and main body roof beam structure 2 and main suspension bracket 4 are wholely set, and the structural strength of stress transfer platform 6 is big, can directly bear the direct effect of external load; Stress transfer seat 7 middle part rigidity are bigger, and carry out the transition to rigidity small construction such as main suspension bracket 4 and main body roof beam structure 2 gradually, avoided stress to concentrate with large deformation duct end is damaged; The setting of truncated cone groove 71 had both helped preventing that stress was concentrated, helped stress transfer platform 6 again and cooperated with it.
In addition; Also be provided with the firm arm 3 (Yoke) that to swing 150 ° on the main suspension bracket 4 of the duct end of the self adaption submerged pipeline expansion displacement of the utility model; Its action that matches with main suspension bracket 4 can be adjusted the position of duct end flexibly, is convenient to the installation under water of duct end.
The preferred embodiments of the duct end of existing self adaption submerged pipeline expansion displacement with aforesaid the utility model is an example, and the working procedure of this duct end is described, as follows:
The tube terminal of the self adaption submerged pipeline expansion displacement of the utility model is in transferring the process of installation; Stress transfer platform 6 is combined with stress transfer seat 7; Prevent that bigger external load directly is added on the local slipping mechanism, has played protective action to local slipping mechanism.
After installing; Because the technology bend pipe 5 of duct end is connected with the submerged pipeline that is layed in the seabed, submerged pipeline is understood Yin Gaowen and is caused the stress expansion of burst and cause change in displacement, in this case; Submerged pipeline can stretch along its length; And an end of the technology bend pipe 5 that submerged pipeline is acted on be attached thereto produces along the axial thrust of technology bend pipe 5 horizontal segments, and the time spent of doing that receives thrust when technology bend pipe 5 promptly begins to move vertically; Technology bend pipe 5 is arranged on the local slipping mechanism, and fixedly connected with slipper bracket 10; Under the drive of technology bend pipe 5; Slipper bracket 10 is along the direction slippage of slide rail 11; Whereby; The first order adaptive sliding that the inner local slipping mechanism of the duct end of the self adaption submerged pipeline expansion displacement of the utility model has been carried out the stress expansion displacement variation of eliminating submerged pipeline moves work, the safety of protection submerged pipeline and other equipment.
There is multiple situation in the distance of submerged pipeline stress expansion displacement; When displacement amount during less than the maximum skidding distance of the setting of local slipping mechanism; The duct end of the utility model only just can adapt to the effect of the stress expansion displacement of submerged pipeline fast with the slippage action of its inner local slipping mechanism, protected submerged pipeline and device security timely and effectively; When the distance of submerged pipeline strain displacement during greater than the maximum skidding distance of local slipping mechanism; The second level adaptive sliding that starts duct end is moved work: slipper bracket 10 moves to maximum setpoint distance; The ejection of one of which end is arranged at the block 111 of slide rail 11 far-ends; Thereby drive the whole pipe terminal is the integral slipping action of supporting surface with Sledge type mud mat 1; This second level adaptive sliding moves work and can eliminate the bigger stress expansion displacement of submerged pipeline and change, and effective further protection submerged pipeline and device security have played the function of duplicate protection.
Eliminate and shrink when producing reverse displacement when the stress of submerged pipeline expands; Submerged pipeline acts on the technology bend pipe 5; Technology bend pipe 5 drives slipper bracket 10 reverse shuffle; When submerged pipeline contract by distance during, just can eliminate the stress of submerged pipeline through the interior slip action of local slipping mechanism fully and eliminate the contraction change in displacement that causes less than the maximum local skidding distance set.When the contraction shift length of submerged pipeline during greater than the maximum local skidding distance of local slipping mechanism; Slipper bracket 10 slippages are through behind the maximum local skidding distance; Make the truncated cone stress transfer platform 6 that is fixedly set on the technology bend pipe 5 get into the groove 71 on the stress transfer seat 7 and cooperate the location; And coastal bottom tube linear shrinkage direction ejection stress transfer seat 7; Thereby driving the whole pipe terminal is that supporting surface carries out whole slippage action with Sledge type mud mat 1, further eliminates stress and eliminates the contraction change in displacement of back submerged pipeline, effectively protects submerged pipeline and equipment.
The above is merely the schematic embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.

Claims (10)

1. the duct end of a self adaption submerged pipeline expansion displacement is characterized in that, said duct end includes:
Mud mat is fixed with the main body roof beam structure on this mud mat, be fixed with main suspension bracket on the said main body roof beam structure;
Local slipping mechanism, it comprises the slide rail that is fixedly set on the said main body roof beam structure and the slipper bracket that can reciprocatingly slide along said slide rail direction, the setting that is slidingly matched of said slipper bracket and said slide rail;
The technology bend pipe comprises at least one horizontal segment, and this horizontal segment is fixedly set on the said slipper bracket along parallel said slide rail direction.
2. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 1 is characterized in that, an end of the slide rail of said local slipping mechanism is provided with the block of the said slipper bracket slippage of restriction.
3. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 1 is characterized in that, said local slipping mechanism is provided with two slide rails that laterally arrange; Said slipper bracket is the bridge-type slipper bracket; Each said slide rail dual-side is respectively equipped with chute along said slide rail long axis direction; Said slipper bracket dual-side is provided with the wing plate that corresponding said slide rail is provided with; The end that said wing plate contacts with said slide rail is provided with the slide cartridge that can fasten with said slide rail, and said slide cartridge inboard is provided with the card tooth that can be provided with said chute sliding engaged.
4. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 3 is characterized in that, said slide cartridge is semicircle cylindrical shell, the semicircular track of said slide rail for matching with the shape of said slide cartridge; Said wing plate becomes the 45 setting with plane, two said slide rails place, and said wing plate and said slide cartridge are tangent.
5. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 1; It is characterized in that; Said main suspension bracket is provided with the stress transfer seat; Said stress transfer seat is provided with and protects wire casing, and the horizontal segment of said technology bend pipe can be arranged at said protecting in the wire casing slidably, and said protect to be fixed with on the wire casing prevent that said technology bend pipe is along vertical its axially movable line protecting clip.
6. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 5 is characterized in that, a stress transfer platform is fixedly set on the technology bend pipe between said slipper bracket and the said stress transfer seat; Corresponding said stress transfer platform one side of said stress transfer seat is provided with one and cooperatively interacts with said stress transfer platform shape and groove that can ccontaining this stress transfer platform.
7. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 6 is characterized in that, said stress transfer platform is one to have the circular cone of through hole, and said technology bend pipe wears this through hole and fixedly installs with this stress transfer platform; The semicircle frustum connected in star of said groove for being equipped with this stress transfer platform.
8. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 1; It is characterized in that; Said slipper bracket middle part is provided with the containing groove of ccontaining said technology bend pipe horizontal segment along long axis direction, and the horizontal segment of said technology bend pipe is fixed in the containing groove of said slipper bracket via the fixation clamp that is arranged on the said slipper bracket; Also be provided with a plurality of lightening holes on the said slipper bracket.
9. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 1 is characterized in that, said mud mat is the Sledge type mud mat, and its each edge is the circular arc limit of the warpage that makes progress; And offer a plurality of permeable holes on the said mud mat.
10. the duct end of self adaption submerged pipeline expansion displacement as claimed in claim 7 is characterized in that,
First end of the slide rail of said local slipping mechanism is provided with the block of the said slipper bracket slippage of restriction;
Said local slipping mechanism is provided with two slide rails that laterally arrange; Said slipper bracket is the bridge-type slipper bracket; Each said slide rail dual-side is respectively equipped with chute along the slide rail long axis direction; Said slipper bracket dual-side is provided with the wing plate that corresponding said slide rail is provided with; The end that said wing plate contacts with said slide rail is provided with the slide cartridge that can fasten with said slide rail, and said slide cartridge inboard is provided with the card tooth that can be provided with said chute sliding engaged;
Said slide cartridge is semicircle elongate body, the semicircle slide rail of said slide rail for matching with the shape of slide cartridge; Said wing plate becomes the 45 setting with plane, two said slide rail places, and said wing plate is positioned at the tangent position at said slide cartridge tie point place;
Said slipper bracket middle part is provided with the containing groove of ccontaining said technology bend pipe horizontal segment along long axis direction, and the horizontal segment of said technology bend pipe is fixed in the containing groove of said slipper bracket via the fixation clamp that is arranged on the said slipper bracket; Also be provided with a plurality of lightening holes on the said slipper bracket;
Said mud mat is the Sledge type mud mat, and its each edge is the circular arc limit of the warpage that makes progress; And offer a plurality of permeable holes on the said mud mat;
Said main suspension bracket is provided with can swing 150 ° firm arm.
CN 201120218788 2011-06-24 2011-06-24 Seabed pipe expansion displacement self-adaptive pipeline end Expired - Fee Related CN202140731U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557370A (en) * 2013-11-14 2014-02-05 中国海洋石油总公司 Submarine cable bracket
CN105952402A (en) * 2016-06-20 2016-09-21 重庆前卫海洋石油工程设备有限责任公司 Throttling valve feeding-in tool
CN109723076A (en) * 2018-12-24 2019-05-07 大连理工大学 A kind of free style seabed mud mat shallow foundation
CN111852400A (en) * 2020-06-10 2020-10-30 海洋石油工程股份有限公司 Combined PLET for connecting flexible vertical pipe
CN112345255A (en) * 2020-10-29 2021-02-09 中国航发南方工业有限公司 Complete machine process test run rack of turboshaft engine
CN113202448A (en) * 2021-04-20 2021-08-03 天津大学 Two-way slidingtype of submarine manifold system prevents sinking board foundation structure
CN113623460A (en) * 2021-07-15 2021-11-09 海洋石油工程股份有限公司 Submarine pipeline terminal
CN113665736A (en) * 2021-07-22 2021-11-19 海洋石油工程股份有限公司 Steel catenary riser limiting device

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557370A (en) * 2013-11-14 2014-02-05 中国海洋石油总公司 Submarine cable bracket
CN105952402A (en) * 2016-06-20 2016-09-21 重庆前卫海洋石油工程设备有限责任公司 Throttling valve feeding-in tool
CN105952402B (en) * 2016-06-20 2018-10-16 重庆前卫科技集团有限公司 Throttle valve running tool
AU2019417183B2 (en) * 2018-12-24 2022-01-20 Dalian University Of Technology Free-sliding seabed mudmat foundation
CN109723076A (en) * 2018-12-24 2019-05-07 大连理工大学 A kind of free style seabed mud mat shallow foundation
CN109723076B (en) * 2018-12-24 2020-04-24 大连理工大学 Free type seabed anti-sinking plate shallow foundation
WO2020133666A1 (en) * 2018-12-24 2020-07-02 大连理工大学 Free-form seabed anti-sinking plate shallow foundation
US11396732B2 (en) 2018-12-24 2022-07-26 Dalian University Of Technology Free-sliding seabed mudmat foundation
CN111852400A (en) * 2020-06-10 2020-10-30 海洋石油工程股份有限公司 Combined PLET for connecting flexible vertical pipe
CN112345255A (en) * 2020-10-29 2021-02-09 中国航发南方工业有限公司 Complete machine process test run rack of turboshaft engine
CN113202448A (en) * 2021-04-20 2021-08-03 天津大学 Two-way slidingtype of submarine manifold system prevents sinking board foundation structure
CN113623460A (en) * 2021-07-15 2021-11-09 海洋石油工程股份有限公司 Submarine pipeline terminal
CN113623460B (en) * 2021-07-15 2023-02-28 海洋石油工程股份有限公司 Submarine pipeline terminal
CN113665736A (en) * 2021-07-22 2021-11-19 海洋石油工程股份有限公司 Steel catenary riser limiting device

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