CN206801515U - A kind of subsea wellhead connector - Google Patents
A kind of subsea wellhead connector Download PDFInfo
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- CN206801515U CN206801515U CN201720461534.3U CN201720461534U CN206801515U CN 206801515 U CN206801515 U CN 206801515U CN 201720461534 U CN201720461534 U CN 201720461534U CN 206801515 U CN206801515 U CN 206801515U
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- subsea wellhead
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Abstract
It the utility model is related to field of ocean engineering, there is provided a kind of subsea wellhead connector, including:In lead to body, housing, actuator, locking member, unlock piece, seal ring assembly, wherein, locking member can act on body and connected piece simultaneously, that is body, connected piece bilateral stress, and then a ring can be formed between body, locking member, connected piece, metal o-ring, and unlock piece can be moved radially with the axial movement of actuator with so that the locking member is thorough, quickly departs from the body, connected piece, you can completed quick, complete unblock and operated;And then a kind of subsea wellhead connector provided by the utility model, it is locked, sealing effectiveness is good, highly reliable, and can quickly, completely, effective unblock operation, service life is grown, practical.
Description
Technical field
Field of ocean engineering is the utility model is related to, more specifically to a kind of subsea wellhead connector.
Background technology
Now, the underwater oil and gas development forward position of the main growth factor as World Oil Industry and scientific and technical innovation, and water
The design and installation of lower wellhead connector, it is one of important link in subsea fields development process.
At present, when exploiting oil gas under water, production platform waterborne to underwater well head has very over long distances, (general with standpipe
To push up tension force standpipe, i.e. TTR standpipes) it is connected to from underwater well head on production platform waterborne.Connected in the lower end of standpipe by well head
Device is connect to be connected with underwater wellhead.Standpipe is according to the depth of water typically at tens meters to upper km.Recovering the oil, in gas production process,
Standpipe, wellhead connector will generally bear very high pressure, and wellhead connector not only requires phase to switching performance, sealing property
Work as height, it is also necessary to underwater automatic quick connection can be realized, and can rapidly depart from company when running into the emergencies such as typhoon
Connect, personnel and marine equipment is withdrawn in time.
The Chinese patent of Application No. 201010584147.1 discloses a kind of subsea wellhead connector, and it mainly includes shell
Body, connector main body, retaining ring, hydraulic driver, wherein, when hydraulic driver moves axially downwards, it is possible to achieve retaining ring
It is inside move radially, and then retaining ring can act on connected piece, realize the locking to connected piece;The structure lacks
Fall into:First, retaining ring acts only on connected piece during locking, i.e., only connected piece one side stress, locking, sealing effectiveness are poor;Two
By outwards being flicked in the presence of the natural resiliency power of retaining ring when being unblock, so as to release the locking to connected piece, the knot
It is difficult to ensure that retaining ring completely disengages connected piece when configuration formula one is unblock, i.e., it can not ensure that retaining ring unlocks completely, easily
Appearance accident, two be due to the working life problem of retaining ring, can not ensure that retaining ring still can when work unlocks afterwards for many years
To completely disengage connecting portion.
Utility model content
The technical problems to be solved in the utility model is, is only connected for the above-mentioned wellhead connector of prior art
Part one side stress, locking, sealing effectiveness are poor, and can not ensure the defects of retaining ring unlocks completely, there is provided a kind of underwater well head
Connector.
Technical scheme is used by the utility model solves its technical problem:A kind of subsea wellhead connector is constructed, is wrapped
Include:
In the body that leads to, its underpart periphery wall is provided with the first locking section;
Housing, cavity is formed after being fixedly connected with the body, and the infrastructure of the housing has for connected piece
The opening of insertion;
Actuator, what is be axially movable is located in the cavity, and its outer wall is bonded with the inner walls;
Multiple locking members, it is arranged in the cavity, the locking member is uniform around the body peripheral wall, and the lock
Have on the outside of tight part with the actuator inner conformation for cause the locking member with the axial movement of the actuator footpath
To it is mobile be provided with to lock the first mating surface of the body, connected piece simultaneously, and on the inside of each locking member with it is described
The body locking section for being used to lock the body and the connector for locking connected piece that first locking section is engaged are locked
Tight section;
Unlock piece, two sides of each locking member are equipped with the unlock piece, and two side end faces and the solution
Latch fitting side surface configurations have for so that the locking member is moved radially with while unlocked with the axial movement of the unlock piece
Second mating surface of the body, connected piece, the unlock piece are fixedly connected with the actuator;
Seal ring assembly, fix on the body, and external wall of upper portion is bonded the inner body wall, bottom protrudes described
Body lower end forms the space of clamping connected piece with the locking member.
Further, the housing is provided with the guide for moving radially guiding being used for for the locking member.
Further, the actuator includes main actuator, auxiliary actuator, wherein, the auxiliary actuator is located at institute
State the lower end of main actuator.
Further, the actuator is hydraulic-driven part.
Further, the housing is provided with multiple hydraulic oil channels, and is provided with the cavity corresponding multiple
Hydraulic fluid port, wherein, the hydraulic oil channel, the hydraulic fluid port include:
For the first hydraulic oil channel, the first hydraulic fluid port for driving the main actuator to move axially downwards;
For the second hydraulic oil channel, the second hydraulic fluid port for driving the main actuator axially upwardly to move;
For the 3rd hydraulic oil channel, the 3rd hydraulic fluid port for driving the auxiliary actuator axially upwardly to move.
Further, the seal ring assembly includes sealing ring, maintenance component, and the maintenance component consolidates the sealing ring
It is fixed that the sealing ring external wall of upper portion is bonded the inner body wall on the body, bottom protrude the body lower end with it is described
Locking member forms the space of clamping connected piece.
Further, the maintenance component includes spring, retention pin, retention pin locating part, wherein, on the body lower part
Provided with mounting hole, the spring one end contacts with the mounting hole bottom, the end thereof contacts of the other end and the steady pin, described
The retention pin other end stretches out the mounting hole to retain the sealing ring, and the retention pin locating part is arranged on the mounting hole
The mounting hole is moved out for limiting the retention pin.
Further, it is additionally provided with the body for detecting the locking feelings between seal ring assembly, body, connected piece
The detection oil circuit of condition.
Further, the opening is horn mouth.
Further, mark post component is also included, the mark post component includes mark post, seal, wherein, on the body
Provided with perforate, the seal, the mark post is set to be fixedly connected after running through the perforate with the actuator in the perforate
To be moved axially with the actuator.
Implement subsea wellhead connector of the present utility model, have the advantages that:Locking member can act on this simultaneously
Body and connected piece, i.e. body, connected piece bilateral stress, and then between body, locking member, connected piece, metal o-ring
A ring can be formed, locking, sealing effectiveness are good, highly reliable, and are provided with unlock piece, available for the axial movement of actuator
And move radially with so that the locking member is thorough, quickly departs from the body, connected piece, you can complete quick, complete
Full unblock operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic top plan view of subsea wellhead connector in the utility model embodiment;
Fig. 2 is A-A diagrammatic cross-sections in Fig. 1;
Fig. 3 is locking member, unlock piece, the structural representation of actuator in the utility model embodiment;
Fig. 4 is enlarged diagram at B in Fig. 2;
Embodiment
Embodiment
Refer to Fig. 1-Fig. 4, a kind of subsea wellhead connector, including:
In the body 1 that leads to, its underpart periphery wall is provided with the first locking section 11;
Housing 2, cavity 3 is formed after being fixedly connected with body 1, and the infrastructure of housing 2 has for connected piece insertion
Opening 21;Opening 21 connects with the passing position of body 1, so that oil gas circulates;Certainly, mount and dismount for convenience, housing 2
It can be made up of and form some, described effect and function can be reached in this need, its concrete structure does not limit
System.
Actuator 4, what is be axially movable is located in cavity 3, and its outer wall is bonded with the inwall of housing 2;
Multiple locking members 5, are arranged in cavity 3, and locking member 5 is uniform around the periphery wall of body 1, and the outer wall of locking member 5
Have with the inner wall structure of actuator 4 for so that locking member 5 moves radially with the axial movement of actuator 4 while locks this
First mating surface 53 of body 1, connected piece, and each inner side of locking member 5 is used to lock provided with what is be engaged with the first locking section 11
The body locking section 51 of tight body 1 and the connector locking section 52 for locking connected piece, and the axial direction of locking member 5 by
Body 1, the institute of housing 2 are spacing, i.e., are clamped on the axial direction of locking member 5 between body 1 and housing 2, can radial direction motion;
Unlock piece 6, two side end faces of each locking member 5 are equipped with unlock piece 6, and 5 two side end faces of locking member and solution
The side surface configurations of latch fitting 6 have for so that locking member 5 moved radially with the axial movement of unlock piece 6 and meanwhile solve lock body 1,
Second mating surface 63 of connected piece, unlock piece 6 are fixedly connected with actuator 5;
Seal ring assembly 7, it is fixed on body 1, and the external wall of upper portion fitting inwall of body 1, bottom protrusion body 1 lower surface
The space of clamping connected piece is formed with locking member 5.
It is understood that upper and lower, inside and outside, axial direction, radial direction in the present embodiment etc. is with the side shown in accompanying drawing
To refer to, only play a part of convenient description.
It is above-mentioned, specifically, actuator 4 is axially movable, and then by the first mating surface 53, locking member 5 can be driven radially to move
It is dynamic, you can drive multiple locking members 5 to move radially, and then the matching somebody with somebody by body locking section 51 and the first locking section 11 of locking member 5
Locking body 1 is closed, and connected piece can be also locked by connector locking section 52 and (need to be only provided with the outer wall of connected piece
The locking section being engaged with connector locking section 52), i.e., locking member 5 can act on body 1, connected piece simultaneously, and then
Body 1, connected piece can tightly be bonded seal ring assembly 7, and then body 1, locking member 5, connected piece, sealing ring group simultaneously
A ring can be formed between part 7, realizes locking function, and lock, sealing effectiveness it is good;
Specifically, referring to Fig. 2, the outer wall of locking member 5 has for causing locking member 5 with drive with the inner wall structure of actuator 4
The axial movement of moving part 4 and move radially with while lock body 1, the first mating surface 53 of connected piece, specifically, first matches somebody with somebody
Conjunction face 53 can be the conical surface, inclined-plane etc., only need to reach the effect above, the preferred conical surface in the present embodiment, i.e., outside locking member 5
Wall is provided with a conical surface, corresponding, and the inwall of actuator 4 is provided with a conical surface, and then the conical surface on the outer wall of locking member 5 can be with actuator
Taper-face contact on 4 coordinates.
And then as shown in Figures 2 and 3, in the present embodiment, it is stepped (by locking member that the outer wall of locking member 5 may be configured to one
3 outer walls are divided into two up and down), its whole outer wall is configured to the above-mentioned conical surface, likewise, the inwall of actuator 4 also may be configured to
One is stepped, and inwall is configured to the above-mentioned conical surface up and down at ladder, and then as shown in Fig. 2 when actuator 4 moves axially downwards
When, the conical surface above and below the inwall ladder of actuator 4 can coordinate with the taper-face contact of two above and below the outer wall of locking member 5, i.e., first matches somebody with somebody
Conjunction face 53 is engaged, and then actuator 4 can act on two up and down of the outer wall of locking member 3 simultaneously so that the radial direction of locking member 5 to
Interior movement, and may be such that 5 overall uniform force of locking member;And when actuator 4 moves axially upwards, rank at the inwall of actuator 4
The conical surface above and below ladder can depart from the conical surface of two up and down of the outer wall of locking member 5, i.e. the first mating surface 53 departs from.
Certainly, in other embodiments, actuator 4 axial movement direction with first coordinate the conical surface state can on the contrary,
Specifically can be depending on actual conditions.
As shown in Figure 2 and Figure 3, two sides of each locking member 5 are equipped with unlock piece 6, unlock piece 6 and actuator 5 simultaneously
It is fixedly connected, and then unlock piece 6 can move axially with actuator 5, and then by the second mating surface 63, unlock piece 6 can be
When moving axially action, drive locking member 5 to move radially, that is, drive locking member 5 to depart from body 1, connected piece simultaneously, it is complete
Into quick, complete unblock operation.
It is understood that as shown in Figures 2 and 3, the side end face of above-mentioned locking member 5 refers to, according to shown in Fig. 3, lock
The left and right sides end face of part 5;The side of unlock piece 6 is also the left and right sides of unlock piece 6 according to shown in Fig. 3, and then each is locked
Two sides of tight part 5 are equipped with unlock piece 6, i.e., the two side ends of each locking member 5 have a unlock piece 6, locking member 5 and unblock
The particular number of part 6 can be depending on actual conditions, for example, the quantity of locking member 5 is 2, the quantity of unlock piece 6 is 2,
It is now one unlock piece 6 of side clamping of two locking members 5, certainly, the quantity of unlock piece 6 is alternatively 4, and its need can reach
The effect, function, are not limited herein;And two side end faces of locking member 5 have for making with the side surface configurations of unlock piece 6
Locking member 5 is obtained to move radially with the axial movement of unlock piece 6 while solve lock body 1, the second mating surface of connected piece
63, similarly, the second mating surface 63 or the conical surface or inclined-plane etc., only need to reach above-mentioned effect, function, in this reality
Apply the preferred conical surface in example, i.e. the left and right sides edge face structure of locking member 5 is into the conical surface, corresponding, the left and right sides structure of unlock piece 6
The conical surface, and then the conical surface of locking member 5 and the accessible cooperation in inclined-plane on unlock piece 6 are caused, that is, is configured to the second mating surface 63.
And then in the present embodiment, when actuator 4 moves axially upwards, unlock piece 6 moves axially upwards, and then unlock
The conical surface on part 6 can coordinate with the taper-face contact of locking member 5, i.e., the second mating surface 63 is engaged, and then the axial direction of unlock piece 5
When moving up locking member 5 can be driven to be moved radially outward, i.e., the unlock piece 6 positioned at 5 two side end faces of locking member can drive
The locking member 5 is moved radially outward, and then can be driven locking member 5 by the second mating surface 63 while be departed from body 1, be connected
Part, realize quick, complete unblock.
Above-mentioned, for example, when the subsea wellhead connector needs to lock connected piece, actuator 4 moves axially downwards, by
First mating surface 53, can drive locking member 5 to move radially inwardly, and then multiple locking members 5 move radially inwardly, body locking section
51 can coordinate with the first locking section 11, and connector locking section 52 can coordinate with the locking section on connected piece, and then locking member 5 can
Body 1 and connected piece are acted on simultaneously, that is, applies coupling mechanism force and causes body 1, locking member 5, connected piece, seal ring assembly 7
Between can form a ring;
Meanwhile when the subsea wellhead connector needs to be unlocked, actuator 4 can move axially upwards, and be matched somebody with somebody by second
Conjunction face 63, unlock piece 6 can drive locking member 5 to be moved radially outward when being moved axially upwards with actuator 5, i.e., positioned at lock
The unlock piece 6 of tight 5 two side end faces of part can drive the locking member 5 to be moved radially outward, and then body locking section 51 departs from first
Locking section 11, connector locking section 52 depart from the locking section on connected piece, i.e. locking member 5 departs from body 1, is connected simultaneously
Part, realize that quick release and unlocking motion reliability are high, so can be moved axially upwards according to default actuator 4 displacement,
The taper of default second mating surface 63 realizes locking member 5 while completely disengages body 1, connected piece, that is, realizes unblock completely,
It is highly reliable, service life length.
It is understood that on the first locking section 11, body locking section 51, connector locking member 52 and connected piece
Locking section can be thread segment, neck/projection section etc., in the present embodiment preferred thread segment, for example, the first thread segment 11 is interior
Thread segment, body thread segment 51 are the external thread section being engaged;Connector locking section 52 is internal thread segment, the spiral shell on connected piece
Line section is the external thread section being engaged, and then in locking operation, locking member 5 can apply a spiral force to body 1, be connected
Part, you can so that body 1, connected piece are together by a threaded connection, structural reliability is strong, can bear larger load, and
Locking, sealing effectiveness are good.
Further, referring to Fig. 2, in the present embodiment, housing 2, which is provided with, to be used to lead for moving radially for locking member 5
To guide 24.
Above-mentioned, locking member 5 is in cavity 3, it is possible to can rotate, guide 24 may be such that locking member 5 only does edge
Moving radially for guide guide direction.Specifically, in the present embodiment, guide 24 can be a guide pad, and it fixes (spiral shell
Follow closely fixed etc.) on housing 2, and then the guide groove being engaged with guide pad is provided with locking member 5, pass through guide pad with being oriented to
Guide effect can be achieved in being used cooperatively for groove, and certainly, in other embodiments, guide 24 can also use other spacing knots
Structure (motion for limiting other directions of locking member 5), therefore not to repeat here.
Specifically, referring to Fig. 2, in the present embodiment, actuator 4 includes main actuator 41, auxiliary actuator 42, its
In, auxiliary actuator 42 is located at the lower end of main actuator 41.
Above-mentioned, auxiliary actuator 42 is located at the lower end of main actuator 41, and then when unblock operation, auxiliary actuator 42 can be with
Play a part of process auxiliary drive, it is ensured that main actuator 41 is movable to default position, it is ensured that the quick solution of locking member 5
Lock, it is ensured that the complete unblock of unlock piece 5.
Further, it is preferred that in the present embodiment, actuator 4 is hydraulic-driven part.
Specifically, referring to Fig. 1, Fig. 2, housing 2 is provided with multiple hydraulic oil channels, and provided with corresponding in cavity 3
Multiple hydraulic fluid ports, wherein, hydraulic oil channel, hydraulic fluid port include:
For the first hydraulic oil channel 231, the first hydraulic fluid port 31 for driving main actuator 41 to move axially downwards;
For the second hydraulic oil channel 232, the second hydraulic fluid port 32 for driving main actuator 41 axially upwardly to move;
For the 3rd hydraulic oil channel 233, the 3rd hydraulic fluid port 33 for driving auxiliary actuator 42 axially upwardly to move.
Specifically, referring to Fig. 1, Fig. 2, when needing locking, pressure oil passes through first from the first hydraulic oil channel 231
Hydraulic fluid port 31 enters cavity 3, promotes main actuator 41 to move downward;
When to be unlocked, pressure oil passes through the first hydraulic fluid port 32 from the second hydraulic oil channel 232 and enters cavity 3, promotes master
Actuator 41 moves upwards;
And then when needing auxiliary actuator 42 to play process auxiliary drive, pressure oil leads to from the 3rd hydraulic oil channel 233
Cross the first hydraulic fluid port 33 and enter cavity 3, promote auxiliary actuator 42 to move upwards, and then auxiliary actuator 42 promotes main actuator 41
It is moved axially upward.
Above-mentioned, in the present embodiment, the first hydraulic fluid port 31 can be arranged in cavity 3 in the housing 2 of the main upper end of actuator 41
On wall;Second hydraulic fluid port 32 can be arranged in cavity 3 on the inwall of housing 2 of the main lower end of actuator 41;3rd hydraulic fluid port 33 can be set
Put on the inwall of housing 2 of the lower end of auxiliary actuator 42 in cavity 3;
It is understood that the quantity and particular location of hydraulic oil channel, hydraulic fluid port in above-mentioned can be according to actual conditions
Depending on, for example, the quantity of the first hydraulic oil channel 231, the first hydraulic fluid port 31 can be multiple, only need the effect in reaching above-mentioned
With function, will not be repeated here.
Specifically, referring to Fig. 4, seal ring assembly 7 includes sealing ring 71, maintenance component 72, maintenance component 72 will seal
Circle 71 is fixed on body 1, the top fitting inwall of body 1 of sealing ring 71.
It is above-mentioned, specifically, referring to Fig. 4, maintenance component 72 includes spring 721, retention pin 722, retention pin locating part
723, wherein, the bottom of body 1 is provided with mounting hole 12, and the one end of spring 721 contacts with the bottom of mounting hole 12, the other end and steady pin
722 end thereof contacts, the other end of retention pin 722 stretch out mounting hole 12 to retain sealing ring 71, and retention pin locating part 723 is installed
In mounting hole 12 mounting hole 12 is moved out for limitation retention pin 722.
Sealing ring 71 can use metal o-ring or other metal to metal seal circles, in the present embodiment, preferably seal
Sealing ring, it can be fixed by above-mentioned maintenance component 72, and the external wall of upper portion fitting inwall of body 1 of sealing ring 71, bottom protrusion is originally
The lower surface of body 1 forms the space of clamping connected piece with locking member 5, i.e., after connected piece insertion, the bottom outer wall of sealing ring 71
The inwall of connected piece can be bonded, and then when locking member 5 locks body 1, connected piece simultaneously, i.e., locking member 5 acts on simultaneously
When body 1, connected piece, the inwall of body 1, the inwall of connected piece are force-applied to be fitted in one with the outer wall of sealing ring 71
Rise, that is, make it that between body 1, locking member 5, connected piece, sealing ring 71 ring can be formed, locking effect is good, sealing effectiveness
It is good.
Preferably, referring to Fig. 2, the subsea wellhead connector also includes for detecting locking member 5 and body 1, being connected
The detection oil circuit 8 of locking situation between fitting.
It is above-mentioned, specifically, referring to Fig. 3, detection oil circuit 8 includes the first detection oil circuit 81 and first on body 1
Detection oil circuit 81 connects and through binding face of the sealing ring 71 with body 1, sealing ring 71 and the second of the binding face of connected piece
Oil circuit 82 is detected, and then when needing detection, from the first detection oiling of oil circuit 81, pressure oil can pass through the first detection oil circuit, the
Two detection oil circuits 82 to body 1, sealing ring 71, connected piece binding face at, and then can be by checking at sealing ring 71 whether there is
Leak case, judge the locking situation (i.e. sealing ring 71, body 1, the locking of connected piece, sealing situation) of locking member 5.
Preferably, referring to Fig. 2, opening 21 is horn mouth.
Above-mentioned, opening 21 is horn mouth, can facilitate the insertion of connected piece, facilitate the subsea wellhead connector using
When and connected piece installation.
Preferably, referring to Fig. 2, the subsea wellhead connector also includes mark post component 9, mark post component 9 includes mark post
91st, seal 92, wherein, body 1 is provided with perforate 22, mark post 91 run through after perforate 92 be fixedly connected with actuator 4 with
Actuator 4 is moved axially, and seal 92 is located in perforate 22.
Certainly, more preferably, mark post component 9 may also include bushing, mounting screw etc., wherein, bushing passes through mounting screw
It is fixed in perforate 22, seal 92 is arranged on bushing, and mark post 91 is fixed on actuator 4 through bushing.
It is above-mentioned, specifically, mark post 91 can move axially with the axial movement of actuator 4, and then marked by observing
The position of bar 91 can get information about the position of actuator 4, and then judge the locking of locking member 5, unblock situation.
More excellent, scale can be provided with mark post 91, to facilitate operating personnel (such as ROV, i.e. underwater robot) more intuitive
Understand the particular location of mark post 91, for example, can be when locking member 5 locks body 1, connected piece simultaneously, mark post 91 is now
Opening position sets a scale, and when locking member 5 solves lock body 1, is connected completely simultaneously, the opening position of mark post 91 now sets a moment
Degree, and then operating personnel (such as ROV, i.e. underwater robot) can get information about locking member by observing the scale on mark post 91
5 locking, situation is unlocked, it is convenient and practical.
It is understood that above-mentioned cavity 3 enters hydraulic oil due to needing, therefore it is similar to a hydraulic cavities, and then cavity 3
Sealing can be realized by setting a series of modes such as sealing rings.
In summary, the utility model embodiment provide a kind of subsea wellhead connector, herein with connect well head head and
Exemplified by standpipe (upper end of body 1 can connect standpipe, and opening 21 can be inserted into well head heads), when needing to connect well head head (connected piece)
When, the underwater well connector is transferred to underwater, when the subsea wellhead connector is close to well head head, by the subsea wellhead connector
Opening 21 on housing 2 is directed at well head head, continues to transfer the subsea wellhead connector, well head head is connected into the underwater well head
Device simultaneously reaches default link position (in the grasping part for reaching the bottom of sealing ring 71 and locking member 5);When needing locking,
Hydraulic oil enters cavity 3 from the first hydraulic oil channel 231 by the first hydraulic fluid port 31, promotes main actuator 41 axially downwardly to transport
It is dynamic, and then by the first mating surface 53, locking member 5 can be driven to move radially inwardly, and then locking member 5 passes through body locking section 51
Body 1 is locked with the first locking section 11, and can also lock connected piece by connector locking section 52 (need to only connected
The locking section being engaged with connector locking section 52 is provided with the outer wall of fitting), i.e., locking member 5 can act on this simultaneously
Body 1, well head head, body 1 and well head head simultaneously stress so as to realizing the pretension of seal ring assembly 7, and then body 1, connected piece
Can pressure holding seal ring assembly 7 simultaneously, and then a ring can be formed between body 1, locking member 5, well head head, seal ring assembly 7, locked
Tightly, sealing effectiveness part;
When needing unblock, hydraulic oil enters cavity 3 from the second hydraulic oil channel 232 by the first hydraulic fluid port 32, promotes
Main actuator 41 is moved axially upward, and by the second mating surface 63, unlock piece 6, can band when being moved axially upwards with actuator 5
Dynamic locking member 5 is moved radially outward, and then body locking section 51 departs from the first locking section 11, and connector locking section 52 departs from and connected
Locking section on fitting, i.e. locking member 5 depart from body 1, connected piece simultaneously, realize quick release and unlocking motion reliability
Height, so can be moved axially upwards according to default actuator 4 displacement, default second mating surface 63 parameter (such as taper,
Gradient etc.) realize locking member 5 while completely disengage body 1, connected piece, that is, realize unblock completely, highly reliable, service life
It is long.
When needing auxiliary actuator 42 to play process auxiliary drive, hydraulic oil passes through from the 3rd hydraulic oil channel 233
One hydraulic fluid port 33 enters cavity 3, promotes auxiliary actuator 42 to move upwards, and then auxiliary actuator 42 promotes main actuator 41 axially
Motion upwards, and then realize above-mentioned unblock operation;
And it is above-mentioned in locking operation, unblock operation can be by monitoring whether mark post 91 reaches precalculated position to judge.
It should be understood that above example only expresses preferred embodiment of the present utility model, its description is more specific
With it is detailed, but can not therefore and be interpreted as the limitation to the utility model patent scope;It should be pointed out that for this area
Those of ordinary skill for, without departing from the concept of the premise utility, can to above-mentioned technical characterstic carry out freely
Combination, various modifications and improvements can be made, these belong to the scope of protection of the utility model;Therefore, it is all with this practicality
The equivalents and modification that new right is done, the covering scope of the utility model claims all should be belonged to.
Claims (10)
- A kind of 1. subsea wellhead connector, it is characterised in that including:In the body (1) that leads to, its underpart periphery wall is provided with the first locking section (11);Housing (2), formation cavity (3) after being fixedly connected with the body (1), and the infrastructure of the housing (2), which have, to be used for The opening (21) of connected piece insertion;Actuator (4), what is be axially movable is located in the cavity (3), and its outer wall is bonded with the housing (2) inwall;Multiple locking members (5), are arranged in the cavity (3), and the locking member (5) is uniform around the body (1) periphery wall, And have on the outside of the locking member (5) with the actuator (4) inner conformation for causing the locking member (5) with the driving The axial movement of part (4) and move radially with while lock the body (1), the first mating surface (53) of connected piece, and often The body for being used to lock the body (1) being engaged with first locking section (11) is provided with the inside of the individual locking member (5) Locking section (51) and the connector locking section (52) for locking connected piece;Unlock piece (6), two sides of each locking member (5) are equipped with the unlock piece (6), and two side end faces and institute Stating unlock piece (6) side surface configurations has for so that the locking member (5) radially moves with the axial movement of the unlock piece (6) Move to unlock the second mating surface (63) of the body (1), connected piece, the unlock piece (6) and the actuator (4) simultaneously It is fixedly connected;Seal ring assembly (7), it is fixed on the body (1), and external wall of upper portion is bonded body (1) inwall, bottom protrusion Body (1) lower end forms the space of clamping connected piece with the locking member (5).
- 2. subsea wellhead connector as claimed in claim 1, it is characterised in that the housing (2), which is provided with, to be used to be described The guide (24) for moving radially guiding of locking member (5).
- 3. subsea wellhead connector as claimed in claim 1, it is characterised in that the actuator (4) includes main actuator (41), auxiliary actuator (42), wherein, the auxiliary actuator (42) is located at the lower end of the main actuator (41).
- 4. subsea wellhead connector as claimed in claim 3, it is characterised in that the actuator (4) is hydraulic-driven part.
- 5. subsea wellhead connector as claimed in claim 4, it is characterised in that the housing (2) is provided with multiple hydraulic oil Passage, and corresponding multiple hydraulic fluid ports are provided with the cavity (3), wherein, the hydraulic oil channel, the hydraulic fluid port include:For the first hydraulic oil channel (231), the first hydraulic fluid port (31) for driving the main actuator (41) to move axially downwards;For the second hydraulic oil channel (232), the second hydraulic fluid port (32) for driving the main actuator (41) axially upwardly to move;For the 3rd hydraulic oil channel (233), the 3rd hydraulic fluid port (33) for driving the auxiliary actuator (42) axially upwardly to move.
- 6. subsea wellhead connector as claimed in claim 1, it is characterised in that the seal ring assembly (7) includes sealing ring (71), maintenance component (72), the sealing ring (71) is fixed on the body (1) by the maintenance component (72), described close Seal (71) external wall of upper portion is bonded body (1) inwall, and body (1) lower end and the locking member (5) shape are protruded in bottom Into the space of clamping connected piece.
- 7. subsea wellhead connector as claimed in claim 6, it is characterised in that the maintenance component (72) includes spring (721), retention pin (722), retention pin locating part (723), wherein, body (1) bottom is provided with mounting hole (12), described Spring (721) one end contacts with the mounting hole (12) bottom, the other end and the end thereof contacts of the retention pin (722), described Retention pin (722) other end stretches out the mounting hole (12) to retain the sealing ring (71), the retention pin locating part (723) it is arranged on the mounting hole (12) and moves out the mounting hole (12) for limiting the retention pin (722).
- 8. the subsea wellhead connector as described in claim any one of 1-7, it is characterised in that be additionally provided with the body (1) For detecting the detection oil circuit (8) of the locking situation between seal ring assembly (7), body (1), connected piece.
- 9. the subsea wellhead connector as described in claim any one of 1-7, it is characterised in that the opening (21) is loudspeaker Mouthful.
- 10. the subsea wellhead connector as described in claim any one of 1-7, it is characterised in that also include mark post component (9), the mark post component (9) includes mark post (91), seal (92), wherein, the body (1) is provided with perforate (22), institute State and the seal (92) be set in perforate (22), the mark post (91) through the perforate (22) afterwards with the actuator (4) It is fixedly connected with as the actuator (4) moves axially.
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CN201720461534.3U CN206801515U (en) | 2017-04-27 | 2017-04-27 | A kind of subsea wellhead connector |
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CN201720461534.3U CN206801515U (en) | 2017-04-27 | 2017-04-27 | A kind of subsea wellhead connector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107013176A (en) * | 2017-04-27 | 2017-08-04 | 中国海洋石油总公司 | A kind of subsea wellhead connector |
CN111980618A (en) * | 2020-09-23 | 2020-11-24 | 中油国家油气钻井装备工程技术研究中心有限公司 | Well head connector with emergency mechanical unlocking function |
-
2017
- 2017-04-27 CN CN201720461534.3U patent/CN206801515U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107013176A (en) * | 2017-04-27 | 2017-08-04 | 中国海洋石油总公司 | A kind of subsea wellhead connector |
CN111980618A (en) * | 2020-09-23 | 2020-11-24 | 中油国家油气钻井装备工程技术研究中心有限公司 | Well head connector with emergency mechanical unlocking function |
CN111980618B (en) * | 2020-09-23 | 2022-06-10 | 中油国家油气钻井装备工程技术研究中心有限公司 | Well head connector with emergency mechanical unlocking function |
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