CN102168536A - Underwater double-unlocking connector - Google Patents
Underwater double-unlocking connector Download PDFInfo
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- CN102168536A CN102168536A CN2011101041772A CN201110104177A CN102168536A CN 102168536 A CN102168536 A CN 102168536A CN 2011101041772 A CN2011101041772 A CN 2011101041772A CN 201110104177 A CN201110104177 A CN 201110104177A CN 102168536 A CN102168536 A CN 102168536A
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Abstract
The invention relates to an underwater double-unlocking connector. The connector comprises a through tubular main body, an outer wall drum sheathed outside the main body, a ring horn body arranged at the bottom end of the outer wall drum, a locking ring connected on the ring horn body, a piston barrel arranged between the main body and the outer wall drum in a sliding manner, and a mechanical unlocking sleeve sheathed at the upper part outside the outer wall drum in a sliding manner. By adopting the hydraulic and mechanical double-unlocking way, the underwater double-unlocking connector can realize accurate, high-efficiency and reliable locking and unlocking of an underwater well mouth or a hub base, and has high reliability and marine operation efficiency. The connector using a mechanical locking way of rack and pinion is simple in structure, convenient in operation, safe and reliable.
Description
Technical field
The invention relates to and be used for top-tensioned standpipe and other rigid line and the connector that underwater well head or hub seat are connected in the offshore oil engineering field, relate in particular to a kind of bilingual lock connector under water.
Background technology
In the offshore oil field, various pipelines and standpipe are the assurances of carrying petroleum resources; Along with the increase day by day of operating depth, how to realize underwater well head and various hub seat and rigid line, tensioned riser safe, to be connected reliably, fast, easily be one of important technology of realizing the petroleum resources reliable delivery.
Flourish along with offshore oil technique, operating water depth constantly increases, and pressure, temperature etc. are unfavorable for that the factor of installing is more and more under water, and mounting cost and cost also rapidly increase, and be also more and more higher to the reliability requirement of connector; How quick, safe and reliable realization connection procedure, and can realize effectively that in design period locking, the releasing process of connector are the keys of design deep water connector.At present, existing underwater connector is that single hydraulic-driven or mechanical type drives mostly, can not guarantee that connection procedure carries out fully reliably, can not tackle the challenge of the problems referred to above fully.
In view of this, the inventor relies on relevant design and manufacturing experience for many years, proposes a kind of bilingual lock connector under water, to overcome the defective of prior art.
Summary of the invention
The object of the present invention is to provide a kind of bilingual lock connector under water, this underwater connector is the bilingual lock connector of a kind of hydraulic pressure and mechanical release mode, can realize carrying out accurately with underwater well head, lock efficiently, reliably and release.
Another object of the present invention is to provide a kind of bilingual lock connector under water, it is simple in structure, be convenient to operation, can be applicable between top-tensioned standpipe and well head, rigid line and the hub seat to be connected, and has very high reliability and operation on the sea efficient.
The object of the present invention is achieved like this, a kind of bilingual under water lock connector, and this connector comprises:
One tubular body that connects, its top constitutes the interface that is connected with pipeline, be positioned at the interface downside and form first boss and second boss radially radially from top to bottom in proper order, described first radially the diameter of boss greater than second diameter of boss radially; Described first radially boss be provided with first open-work and second open-work of axial perforation;
One outer wall tube is set in the main body outside, the top of outer wall tube with described first radially the circumferential side wall of boss fixedly connected; Described outer wall tube top is provided with a plurality of Long Circle locating holes that are vertical setting, and described a plurality of locating holes circumferentially evenly are provided with around the outer wall tube;
One annular horn body is arranged on the bottom of outer wall tube, this annular horn body by the annular plane on top and be connected this below, annular plane and downwards the horn mouth of flaring constitute, described annular plane is fixedly connected on the bottom of outer wall tube;
One retaining ring is connected on the annular plane of annular horn body, and this retaining ring is made of the stage clip that connects between two circular arc bearing shells of correspondence setting and two bearing shells; Described bearing shell inwall is along being circumferentially with many clamp bar slots; The bearing shell outer wall forms the retaining ring conical surface of radial dimension flaring from top to bottom;
One piston cylinder is slidingly arranged between main body and the outer wall tube, and this piston cylinder inwall is provided with an inner convex platform radially, and this inner convex platform closely contacts and be slidedly arranged on the outer wall of main body, and the piston cylinder inwall of this inner convex platform upside is slidedly arranged on the second boss outside radially of main body; Be fixed with a joint ring, the piston cylinder inner wall sealing sliding-contact of the outside of sealing ring and inner convex platform downside at the outer wall of described main body and below being positioned at the piston cylinder inner convex platform; Described second radially forms first hydraulic cavities between boss and the piston cylinder inner convex platform, form second hydraulic cavities between described piston cylinder inner convex platform and the joint ring; Be respectively equipped with on the described piston cylinder barrel with first hydraulic channel of the first hydraulic cavities conducting and with second hydraulic channel of the second hydraulic cavities conducting; First open-work that one first fluid pressure line passes described main body is communicated in first hydraulic channel; Second open-work that one second fluid pressure line passes described main body is communicated in second hydraulic channel;
One mechanical release sleeve, it is set in the outer upper of outer wall tube slidably, and these a plurality of Long Circle locating holes of separating on the corresponding described outer wall tube of lock barrel are respectively equipped with a perforation, and the locating hole that is passed described perforation and correspondence by screw is connected with piston cylinder.
In a better embodiment of the present invention, described outer wall tube is provided with axis hole, and an end of a gear is provided with gear shaft, and other end center is provided with interior hexagonal groove, and described gear shaft is arranged in this axis hole; The described lock barrel of separating is provided with vertically saturating groove, and the side of this vertically saturating groove is provided with the tooth bar installation portion, is provided with a tooth bar at the tooth bar installation portion, and described tooth bar is connected with described gears engaged.
In a better embodiment of the present invention, described outer wall tube circumferentially is evenly equipped with a plurality of gib blocks that are vertical setting, describedly separates the U-shaped gathering sill that lock barrel is provided with corresponding setting with gib block.
In a better embodiment of the present invention, in described main body outer wall bottom and be positioned at the joint ring downside and be provided with annular fitting recess, a plurality of circular arc back-up blocks are assembled in this annular fitting recess, and described back-up block is convexly set in the main body outer wall, and described joint ring base abuts is in the back-up block top; One annular brace leg is arranged between piston cylinder and the main body, and annular brace leg upper end is resisted against the bottom of described back-up block, and annular brace leg lower end abutment is at the top of described retaining ring.
In a better embodiment of the present invention, described annular brace leg lower end inwall upwards is provided with a deep gouge, and the bottom surface of described deep gouge is positioned at the below of described main body bottom.
In a better embodiment of the present invention, described annular brace leg outer wall is provided with the taper surface of radial dimension flaring from top to bottom, and the inwall of described piston cylinder is provided with an orientational cone-shaped surface corresponding with this taper surface.
In a better embodiment of the present invention, the bottom inwall of described piston cylinder is provided with the driving conical surface with retaining ring conical surface corresponding matching.
In a better embodiment of the present invention, described main body bottom is provided with seal ring assembly.
In a better embodiment of the present invention, radial symmetric is provided with two chutes on the annular plane of described annular horn body, and the bottom of bearing shell is provided with a guide runner, and each guide runner is slidedly arranged on respectively in the corresponding chute.
From the above mentioned, bilingual under water lock connector of the present invention adopts hydraulic pressure, mechanical bilingual lock mode, can realize carrying out accurately with underwater well head, lock efficiently, reliably and release, has very high reliability and operation on the sea efficient.In outer wall tube bottom horn mouth is set, can makes the connector location simple rapidly, steadily reliable; Locating surface is set piston cylinder is carried out spacing, can effectively prevent hydraulic driver overload, avoid causing, improved application life the damage of hub seat and connector under water; The employing hydraulic system drives, and has shortened the time of locking and release between connector and the connected piece, and has improved the reliability of connection under water; The mechanical release sleeve is set, has further improved the safety that connects under water; The retaining ring of design adopts spring to drive the structure of semicircular ring bearing shell, the novel form uniqueness, and with respect to C type ring spring steel structure in the easier realization of processing and manufacturing, better locking effect is arranged; In addition, the rack-and-pinion mechanical lock mode that the present invention uses, simple in structure, easy to operate, safe and reliable.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the present invention's perspective view of bilingual lock connector under water.
Fig. 2: be the present invention's sectional structure schematic diagram one of bilingual lock connector under water.
Fig. 3: be the present invention's sectional structure schematic diagram two of bilingual lock connector under water.
Fig. 4: be agent structure schematic diagram among the present invention.
Fig. 5: be outer wall barrel structure schematic diagram among the present invention.
Fig. 6: be annular horn body structural representation among the present invention.
Fig. 7: be retaining ring structural representation among the present invention.
Fig. 8: be retaining ring among the present invention and annular horn body assembly structure schematic diagram one.
Fig. 9: be retaining ring among the present invention and annular horn body assembly structure schematic diagram two.
Figure 10: be piston cylinder sectional structure schematic diagram among the present invention.
Figure 11: be piston cylinder perspective view among the present invention.
Figure 12: be mechanical release tube-in-tube structure schematic diagram among the present invention.
Figure 13: be mechanical release sleeve middle gear rack structure schematic diagram.
Figure 14: be back-up block perspective view among the present invention.
Figure 15: be supporting leg perspective view among the present invention.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
As Fig. 1, Fig. 2, shown in Figure 3, the present invention proposes a kind of bilingual lock connector 100 under water, and this connector comprises:
One tubular body 1 that connects, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, main body 1 its top constitutes the interface 11 that is connected with pipeline, be positioned at interface 11 downsides from top to bottom order form first boss 12 and second boss 13 radially radially, described first radially the diameter of boss 12 greater than second diameter of boss 13 radially; Described first radially boss 12 be provided with first open-work 121 and second open-work 122 of axial perforation;
One outer wall tube 2 (as shown in Figure 5), be set in main body 1 outside, the top of outer wall tube 2 with described first radially the circumferential side wall of boss 12 fixedly connected, in the present embodiment, outer wall tube 2 with first radially the circumferential side wall of boss 12 be connected by a plurality of high-strength bolts; Described outer wall tube 2 tops are provided with a plurality of Long Circle locating holes 21 that are vertical setting, and described a plurality of locating holes 21 circumferentially evenly are provided with around outer wall tube 2;
One annular horn body 3 (as shown in Figure 6), be arranged on the bottom of outer wall tube 2, this annular horn body 3 is made of with the horn mouth 32 that is connected this below, annular plane and downward flaring the annular plane 31 on top, described annular plane 31 is fixedly connected on the bottom of outer wall tube 2, in the present embodiment, annular plane 31 is connected by a plurality of screws with the bottom of outer wall tube 2;
One retaining ring 4 (as Fig. 7, Fig. 8 and shown in Figure 9), be connected on the annular plane 31 of annular horn body, this retaining ring 4 is made of the stage clip 42 that connects between two circular arc bearing shells 41 of correspondence setting and two bearing shells, in the present embodiment, each junction is provided with two stage clips respectively, is provided with four stage clips altogether; Described bearing shell 41 inwalls are along being circumferentially with many clamp bar slots 411; Bearing shell 41 outer walls form the retaining ring conical surface 412 of radial dimension flaring from top to bottom;
One piston cylinder 5 (as Figure 10, shown in Figure 11), be slidingly arranged between main body 1 and the outer wall tube 2, these piston cylinder 5 inwalls are provided with an inner convex platform 51 radially, this inner convex platform 51 closely contacts and is slidedly arranged on the outer wall of main body 1, and the piston cylinder inwall of these inner convex platform 51 upsides is slidedly arranged on second boss 13 outsides radially of main body; Be fixed with a joint ring 6, the piston cylinder 5 inner wall sealing sliding-contacts of the outside of sealing ring 6 and inner convex platform 51 downsides at the outer wall of described main body 1 and below being positioned at piston cylinder 5 inner convex platforms 51; Described second radially forms the first hydraulic cavities A between boss 13 and the piston cylinder inner convex platform 51, the formation second hydraulic cavities B between described piston cylinder inner convex platform 51 and the joint ring 6; Be respectively equipped with on described piston cylinder 5 barrels with first hydraulic channel 52 of the first hydraulic cavities A conducting and with second hydraulic channel 53 of the second hydraulic cavities B conducting; First open-work 121 that one first fluid pressure line 54 passes described main body is communicated in first hydraulic channel 52; Second open-work 122 that one second fluid pressure line 55 passes described main body is communicated in second hydraulic channel 53;
One mechanical release sleeve 7 (as shown in figure 12), it is set in the outer upper of outer wall tube 2 slidably, this is separated a plurality of Long Circle locating holes 21 on the lock barrel 7 corresponding described outer wall tubes 2 and is respectively equipped with 71 (as shown in Figure 3) an of perforation, passes described perforation 71 and corresponding locating hole 21 by screw 72 and is connected with screwed hole 56 (as shown in figure 11) on the piston cylinder.
As shown in Figure 1 and Figure 2, during use, this bilingual lock connector 100 is transferred to well head 10 tops (outside, well head 10 tops is provided with the snap ring corresponding with the draw-in groove of retaining ring 4) by engineering ship or floating platform, the horn mouth 32 of bilingual lock connector 100 at first carries out thick centering with well head 10, well head 10 passes after the horn mouth 9, and bilingual lock connector integral body then is positioned on the well head 10.At this moment, shown in Fig. 2 left side, the first hydraulic cavities A is in the space minimum state, and the second hydraulic cavities B is in the space maximum rating, and piston cylinder 5 is positioned at the top position; Retaining ring 4 is because the effect of stage clip 42 is in releasing orientation.
Utilizing under water, ROV assists, in the first hydraulic cavities A, inject hydraulic oil by first fluid pressure line 54, make piston cylinder 5 move down vertically with respect to main body 1, the retaining ring conical surface 412 that utilizes the driving conical surface 58 on the piston cylinder 5 to drive on the retaining ring 5, make retaining ring 4 radially shrink, and then with well head 10 lockings (shown in Fig. 2 right side), this moment, the first hydraulic cavities A was in the space maximum rating, and the second hydraulic cavities B is in the space minimum state.
When bilingual lock connector need be when well head 10 be removed, utilize ROV equally, inject hydraulic oil by first fluid pressure line 55 to the second hydraulic cavities B, till when the second hydraulic cavities B is in the maximum space that himself designs, make piston cylinder 5 move upward vertically with respect to main body 1, at this moment, the retaining ring conical surface 412 of retaining ring 4 is no longer pushed in piston cylinder 5 bottoms, because the effect of stage clip 42 makes the bearing shell 41 of retaining ring 4 be in releasing orientation, thus, bilingual lock connector can be removed well head 10 (shown in Fig. 2 left side) smoothly, and all the other details of hydraulic pressure release are inverse process of hydraulic locking.
Malfunctioning or when not having hydraulic power supply when hydraulic circuit, can realize locking and unlocking process by mechanical release sleeve 7.As shown in Figure 2, mechanical release sleeve 7 is the outer upper that are set in outer wall tube 2 slidably, this is separated a plurality of Long Circle locating holes 21 on the lock barrel 7 corresponding described outer wall tubes 2 and is respectively equipped with a perforation 71, passes described perforation 71 and corresponding locating hole 21 by screw 72 and is connected with screwed hole 56 on the piston cylinder; Thus, constituted the Synchronization Design of mechanical release sleeve 7 with piston cylinder 5, move up and down described mechanical release sleeve 7 manually, can drive described piston cylinder 5 and move axially up and down synchronously, and then drive the action that retaining ring 4 is finished the locking well head and unclamped well head.
From the above mentioned, bilingual under water lock connector of the present invention adopts hydraulic pressure, mechanical bilingual lock mode, can realize carrying out accurately with underwater well head, lock efficiently, reliably and release, has very high reliability and operation on the sea efficient.
Further, the locking and the release of connector are carried out in manual operation for convenience, in the present embodiment, as Fig. 1, Fig. 5, Figure 12, shown in Figure 13, described outer wall tube 2 is provided with axis hole 23, one end of one gear 24 is provided with gear shaft, and other end center is provided with interior hexagonal groove, and described gear shaft is arranged in this axis hole 23; The described lock barrel 7 of separating is provided with vertically saturating groove 73, and the side of this vertically saturating groove 73 is provided with tooth bar installation portion 731, is provided with a tooth bar 74 at the tooth bar installation portion, and described tooth bar 74 is connected with a joggle with described gear 24; So, can be fastened in the groove of gear by spanner, transmitting gear 24 makes by the tooth bar transmission and to separate lock barrel 7 and move axially up and down.Described rack and pinion drive mechanism can be symmetrical arranged two covers.
In the present embodiment, as Fig. 1, Fig. 5 and shown in Figure 12, described outer wall tube 2 circumferentially is evenly equipped with a plurality of gib blocks 22 that are vertical setting, and the described lock barrel 7 of separating is provided with U-shaped gathering sill 75 with gib block 22 corresponding settings; Thus, when separating lock barrel 7 and move up and down, can have better mobile effect.
In the present embodiment, in described main body 1 outer wall bottom and be positioned at joint ring 6 downsides and be provided with annular fitting recess 14, as shown in figure 14, a plurality of circular arc back-up blocks 8 are assembled in this annular fitting recess 14, described back-up block 8 is convexly set in main body 1 outer wall, and the base abuts of described joint ring 6 is in back-up block 8 tops; As shown in figure 15, an annular brace leg 9 is arranged between piston cylinder 5 and the main body 1, and annular brace leg 9 upper ends are resisted against the bottom of described back-up block 8, and annular brace leg 9 lower end abutment are at the top of described retaining ring 4.
In the present embodiment, described annular brace leg 9 lower end inwalls upwards are provided with a deep gouge 91, so that connector is when docking with well head 10, the top of well head 10 can lean in this deep gouge 91; The bottom surface of described deep gouge 91 is positioned at the below of described main body 1 bottom.Described main body 1 bottom is provided with seal ring assembly 15, to guarantee connecting portion the better seal effect is arranged.
In the present embodiment, the bottom inwall of described piston cylinder 5 is provided with the driving conical surface 58 with the retaining ring conical surface 412 corresponding matching; When piston cylinder 5 moved down, the driving conical surface 58 on the piston cylinder 5 can drive the retaining ring conical surface 412, and then made two bearing shells, 41 radial contraction, thereby with well head 10 lockings that connect.
In the present embodiment, described annular brace leg 9 outer walls are provided with the taper surface 92 of radial dimension flaring from top to bottom, and the inwall of described piston cylinder 5 is provided with an orientational cone-shaped surface 57 (as shown in figure 10) corresponding with this taper surface 92; When the driving conical surface 58 on the piston cylinder 5 when the retaining ring conical surface 412 axially descends, till the orientational cone-shaped surface on the piston cylinder 5 57 touches taper surface 92 on the supporting leg 9, play positioning action.
In the present embodiment, as Fig. 6, shown in Figure 9, radial symmetric is provided with two chutes 311 on the annular plane 31 of described annular horn body, and the bottom of bearing shell 41 is provided with a guide runner 411, and each guide runner 411 is slidedly arranged on respectively in the corresponding chute 311.Thus, when guaranteeing that piston cylinder 5 bottoms drive retaining ring 4 motions, retaining ring 4 is directed to slide block 411 and limits the directions of motion, makes the bearing shell 41 of retaining ring 4 can only radial compression spring 42, thereby with well head 10 lockings.
In addition, the effect of separating lock tube groove 76 on the mechanical interlocking sleeve 7 is the spaces that reserve the high-strength bolt cap that main body 1 is connected with outer wall tube 2, and certain axially directed effect is arranged.
Bilingual under water lock connector of the present invention is provided with horn mouth in outer wall tube bottom, can make the connector location simple rapidly, steadily reliable; Locating surface is set piston cylinder is carried out spacing, can effectively prevent hydraulic driver overload, avoid causing damage, improved application life the underwater well head connector; The employing hydraulic system drives, and has shortened the time of locking and release between connector and the connected piece, and has improved the reliability of connection under water; The mechanical release sleeve is set, has further improved the safety that connects under water; The retaining ring of design adopts spring to drive the structure of semicircular ring bearing shell, the novel form uniqueness, and with respect to C type ring spring steel structure in the easier realization of processing and manufacturing, better locking effect is arranged; In addition, the rack-and-pinion mechanical lock mode that the present invention uses, simple in structure, easy to operate, safe and reliable.
The above only is the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (9)
1. bilingual under water lock connector, it is characterized in that: this connector comprises:
One tubular body that connects, its top constitutes the interface that is connected with pipeline, be positioned at the interface downside and form first boss and second boss radially radially from top to bottom in proper order, described first radially the diameter of boss greater than second diameter of boss radially; Described first radially boss be provided with first open-work and second open-work of axial perforation;
One outer wall tube is set in the main body outside, the top of outer wall tube with described first radially the circumferential side wall of boss fixedly connected; Described outer wall tube top is provided with a plurality of Long Circle locating holes that are vertical setting, and described a plurality of locating holes circumferentially evenly are provided with around the outer wall tube;
One annular horn body is arranged on the bottom of outer wall tube, this annular horn body by the annular plane on top and be connected this below, annular plane and downwards the horn mouth of flaring constitute, described annular plane is fixedly connected on the bottom of outer wall tube;
One retaining ring is connected on the annular plane of annular horn body, and this retaining ring is made of the stage clip that connects between two circular arc bearing shells of correspondence setting and two bearing shells; Described bearing shell inwall is along being circumferentially with many clamp bar slots; The bearing shell outer wall forms the retaining ring conical surface of radial dimension flaring from top to bottom;
One piston cylinder is slidingly arranged between main body and the outer wall tube, and this piston cylinder inwall is provided with an inner convex platform radially, and this inner convex platform closely contacts and be slidedly arranged on the outer wall of main body, and the piston cylinder inwall of this inner convex platform upside is slidedly arranged on the second boss outside radially of main body; Be fixed with a joint ring, the piston cylinder inner wall sealing sliding-contact of the outside of sealing ring and inner convex platform downside at the outer wall of described main body and below being positioned at the piston cylinder inner convex platform; Described second radially forms first hydraulic cavities between boss and the piston cylinder inner convex platform, form second hydraulic cavities between described piston cylinder inner convex platform and the joint ring; Be respectively equipped with on the described piston cylinder barrel with first hydraulic channel of the first hydraulic cavities conducting and with second hydraulic channel of the second hydraulic cavities conducting; First open-work that one first fluid pressure line passes described main body is communicated in first hydraulic channel; Second open-work that one second fluid pressure line passes described main body is communicated in second hydraulic channel;
One mechanical release sleeve, it is set in the outer upper of outer wall tube slidably, and these a plurality of Long Circle locating holes of separating on the corresponding described outer wall tube of lock barrel are respectively equipped with a perforation, and the locating hole that is passed described perforation and correspondence by screw is connected with piston cylinder.
2. bilingual under water lock connector as claimed in claim 1 is characterized in that: described outer wall tube is provided with axis hole, and an end of a gear is provided with gear shaft, and other end center is provided with interior hexagonal groove, and described gear shaft is arranged in this axis hole; The described lock barrel of separating is provided with vertically saturating groove, and the side of this vertically saturating groove is provided with the tooth bar installation portion, is provided with a tooth bar at the tooth bar installation portion, and described tooth bar is connected with described gears engaged.
3. bilingual under water lock connector as claimed in claim 2 is characterized in that: described outer wall tube circumferentially is evenly equipped with a plurality of gib blocks that are vertical setting, describedly separates the U-shaped gathering sill that lock barrel is provided with corresponding setting with gib block.
4. bilingual under water lock connector as claimed in claim 1, it is characterized in that: in described main body outer wall bottom and be positioned at the joint ring downside and be provided with annular fitting recess, a plurality of circular arc back-up blocks are assembled in this annular fitting recess, described back-up block is convexly set in the main body outer wall, and described joint ring base abuts is in the back-up block top; One annular brace leg is arranged between piston cylinder and the main body, and annular brace leg upper end is resisted against the bottom of described back-up block, and annular brace leg lower end abutment is at the top of described retaining ring.
5. bilingual under water lock connector as claimed in claim 4 is characterized in that: described annular brace leg lower end inwall upwards is provided with a deep gouge, and the bottom surface of described deep gouge is positioned at the below of described main body bottom.
6. bilingual under water lock connector as claimed in claim 4 is characterized in that: described annular brace leg outer wall is provided with the taper surface of radial dimension flaring from top to bottom, and the inwall of described piston cylinder is provided with an orientational cone-shaped surface corresponding with this taper surface.
7. bilingual under water lock connector as claimed in claim 1 is characterized in that: the bottom inwall of described piston cylinder is provided with the driving conical surface with retaining ring conical surface corresponding matching.
8. bilingual under water lock connector as claimed in claim 1 is characterized in that: described main body bottom is provided with seal ring assembly.
9. bilingual under water lock connector as claimed in claim 1, it is characterized in that: radial symmetric is provided with two chutes on the annular plane of described annular horn body, the bottom of bearing shell is provided with a guide runner, and each guide runner is slidedly arranged on respectively in the corresponding chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110104177 CN102168536B (en) | 2011-04-25 | 2011-04-25 | Underwater double-unlocking connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110104177 CN102168536B (en) | 2011-04-25 | 2011-04-25 | Underwater double-unlocking connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102168536A true CN102168536A (en) | 2011-08-31 |
| CN102168536B CN102168536B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110104177 Expired - Fee Related CN102168536B (en) | 2011-04-25 | 2011-04-25 | Underwater double-unlocking connector |
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| CN102383758A (en) * | 2011-11-22 | 2012-03-21 | 江汉石油钻头股份有限公司 | Guide base wellhead locking device of underwater Christmas tree |
| CN103132927A (en) * | 2011-12-02 | 2013-06-05 | 韦特柯格雷公司 | Slide actuating tubular connector |
| CN103210175A (en) * | 2010-11-16 | 2013-07-17 | 阿克海底公司 | Bop lock down |
| CN103452517A (en) * | 2013-01-18 | 2013-12-18 | 中国石油大学(华东) | Annular seal assembly of multi-stage metal sealing structure |
| CN103953289A (en) * | 2014-03-31 | 2014-07-30 | 西南石油大学 | Wellhead tubular column connector for deep water test |
| CN104066921A (en) * | 2011-11-18 | 2014-09-24 | 斯塔特伊石油公司 | Riser weak link |
| CN105134096A (en) * | 2015-08-28 | 2015-12-09 | 西南石油大学 | Disengagement system connecting device for offshore testing pipe strings |
| CN106285534A (en) * | 2016-11-16 | 2017-01-04 | 重庆前卫科技集团有限公司 | A kind of subsea production tree tree body sends into recovery instrument |
| CN107237625A (en) * | 2017-08-02 | 2017-10-10 | 东营市兆鑫工贸有限责任公司 | Testing pressure of well head packer detecting device |
| CN109878361A (en) * | 2019-04-03 | 2019-06-14 | 杭州鸿世电器有限公司 | Charging pile |
| CN113107779A (en) * | 2021-05-18 | 2021-07-13 | 中国石油大学(北京) | Quick connecting device of fan tower and lower part foundation |
| CN114837587A (en) * | 2022-06-02 | 2022-08-02 | 中国地质科学院勘探技术研究所 | Recyclable wellhead module for marine riser-free mud closed-cycle drilling |
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| CN103210175A (en) * | 2010-11-16 | 2013-07-17 | 阿克海底公司 | Bop lock down |
| CN103210175B (en) * | 2010-11-16 | 2016-02-03 | 阿克海底公司 | Bop lock down |
| CN104066921A (en) * | 2011-11-18 | 2014-09-24 | 斯塔特伊石油公司 | Riser weak link |
| US9353602B2 (en) | 2011-11-18 | 2016-05-31 | Statoil Petroleum As | Riser weak link |
| CN104066921B (en) * | 2011-11-18 | 2016-05-11 | 斯塔特伊石油公司 | The weak connection part of standpipe |
| CN102383758B (en) * | 2011-11-22 | 2014-08-13 | 江汉石油钻头股份有限公司 | Guide base wellhead locking device of underwater Christmas tree |
| CN102383758A (en) * | 2011-11-22 | 2012-03-21 | 江汉石油钻头股份有限公司 | Guide base wellhead locking device of underwater Christmas tree |
| CN103132927A (en) * | 2011-12-02 | 2013-06-05 | 韦特柯格雷公司 | Slide actuating tubular connector |
| CN103452517B (en) * | 2013-01-18 | 2017-10-27 | 中国石油大学(华东) | A kind of ring packing assembly of multi-level metal sealing structure |
| CN103452517A (en) * | 2013-01-18 | 2013-12-18 | 中国石油大学(华东) | Annular seal assembly of multi-stage metal sealing structure |
| CN103953289A (en) * | 2014-03-31 | 2014-07-30 | 西南石油大学 | Wellhead tubular column connector for deep water test |
| CN103953289B (en) * | 2014-03-31 | 2016-06-01 | 西南石油大学 | A kind of deep water shaft mouth test tubing string junctor |
| CN105134096B (en) * | 2015-08-28 | 2017-10-20 | 西南石油大学 | A kind of marine test string frees arrangement for connecting system |
| CN105134096A (en) * | 2015-08-28 | 2015-12-09 | 西南石油大学 | Disengagement system connecting device for offshore testing pipe strings |
| CN106285534A (en) * | 2016-11-16 | 2017-01-04 | 重庆前卫科技集团有限公司 | A kind of subsea production tree tree body sends into recovery instrument |
| CN107237625A (en) * | 2017-08-02 | 2017-10-10 | 东营市兆鑫工贸有限责任公司 | Testing pressure of well head packer detecting device |
| CN109878361A (en) * | 2019-04-03 | 2019-06-14 | 杭州鸿世电器有限公司 | Charging pile |
| CN109878361B (en) * | 2019-04-03 | 2024-05-10 | 杭州鸿世电器股份有限公司 | Charging pile |
| CN113107779A (en) * | 2021-05-18 | 2021-07-13 | 中国石油大学(北京) | Quick connecting device of fan tower and lower part foundation |
| CN113107779B (en) * | 2021-05-18 | 2022-06-14 | 中国石油大学(北京) | Quick connecting device of fan tower and lower part foundation |
| CN114837587A (en) * | 2022-06-02 | 2022-08-02 | 中国地质科学院勘探技术研究所 | Recyclable wellhead module for marine riser-free mud closed-cycle drilling |
| CN114837587B (en) * | 2022-06-02 | 2024-04-02 | 中国地质科学院勘探技术研究所 | Recoverable well head module of no marine riser mud closed cycle well drilling |
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