CN204532221U - A kind of hole protector unlocking device for locking - Google Patents
A kind of hole protector unlocking device for locking Download PDFInfo
- Publication number
- CN204532221U CN204532221U CN201520031865.4U CN201520031865U CN204532221U CN 204532221 U CN204532221 U CN 204532221U CN 201520031865 U CN201520031865 U CN 201520031865U CN 204532221 U CN204532221 U CN 204532221U
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- CN
- China
- Prior art keywords
- main cylinder
- pressing plate
- locking
- hole protector
- gripper shoe
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of hole protector unlocking device for locking, comprise gripper shoe, gripper shoe is connected with production tree body by stud, and surface is installed with fluid cylinder on the supporting plate, the piston rod of fluid cylinder is fixedly connected with main cylinder downwards, and main cylinder is provided with position indicating arm; In the middle part of main cylinder, external peripheral threads is socketed with actuating sleeve, in the annular groove of main cylinder bottom, be set with pressing plate, and pressing plate is along the circumferential direction made up of many lobes, and each pressing plate joint connects successively; Be provided with righting circle below pressing plate, righting circle is connected with main cylinder external peripheral threads; Be provided with opening lock ring in pressing plate and righting circle draw-in groove, when actuating sleeve moves down, opening lock ring can be expressed to.Structure of the present utility model is simple, and locking unlock drive mode is fast and reliable, enhances hole protector unlocking device for locking reliability and operating efficiency.
Description
Technical field
The utility model belongs to petroleum drilling and mining equipment technology field, relates to a kind of hole protector unlocking device for locking.
Background technology
In offshore oil exploration and exploitation process, underwater horizontal type production tree is one of critical equipment.Hole protector unlocking device for locking, as the special-purpose assorted instrument of one, reclaims operation for hole protector shop test or Attention problems.
At offshore boring island, when testing in factory, often to carry out locking and the unlocking operation of hole protector, existing hole protector locking unlocking operation is many to be installed back receiving apparatus by hole protector and completes, this type of production tree corollary apparatus complex structure, locking release mechanism needs to be equipped with organizes Hydraulic Elements more, control system is complicated, auxiliary supporting require high, and existing hole protector installs back receiving apparatus without locking state deixis, can not Real-time Feedback locking state, can only after extraction hole protector installs back receiving apparatus, judge whether hole protector effectively locks by measuring locking stroke, inefficiency, and poor reliability.
Utility model content
The purpose of this utility model is to provide a kind of hole protector unlocking device for locking, solve existing hole protector install back receiving apparatus complex structure, locking unlocking operation loaded down with trivial details, without the problem of real-time condition display function
The technical scheme that the utility model adopts is, a kind of hole protector unlocking device for locking, comprises gripper shoe, and gripper shoe is connected with production tree body by stud,
Surface is installed with fluid cylinder on the supporting plate, and the piston rod of fluid cylinder is fixedly connected with main cylinder downwards, and main cylinder is provided with position indicating arm;
In the middle part of main cylinder, external peripheral threads is socketed with actuating sleeve, in the annular groove of main cylinder bottom, be set with pressing plate, and pressing plate is along the circumferential direction made up of many lobes, and each pressing plate joint connects successively;
Be provided with righting circle below pressing plate, righting circle is connected with main cylinder external peripheral threads; Be provided with opening lock ring in pressing plate and righting circle draw-in groove, when actuating sleeve moves down, opening lock ring can be expressed to.
Hole protector unlocking device for locking of the present utility model, is further characterized in that:
Stud is respectively installed with rise nut through the both ends of the surface up and down of gripper shoe through hole and lowers nut.
Position indicating arm is upward through the unthreaded hole of gripper shoe, and position indicating arm bar is carved with upper and lower two annular grooves.
The lower circumferential of main cylinder is symmetrically distributed with two guiding antirotation keys in 180 °, or carries guiding projection in main cylinder lower end.
The beneficial effects of the utility model are, this device is connected with production tree body by bolt; Locking and the unblock that drive sleeve completes hole protector and production tree is promoted by hydraulic cylinder piston rod; The real-time show hole protector locking of position indicating arm or released state; Adjustment actuating sleeve and hatch lock relationship ofloops realize connection or the disengaging of this device and hole protector; Guiding rotation-preventing mechanism ensure that this device and the correct installation site of hole protector.This apparatus structure is simple, and locking unlock drive mode is fast and reliable, enhances hole protector unlocking device for locking reliability and operating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model hole protector unlocking device for locking;
Fig. 2 is the structural representation of the utility model hole protector locking state;
Fig. 3 is the structural representation of the utility model hole protector released state.
In figure, 1. hydraulic cylinder, 2. position indicating arm, 3. gripper shoe, 4. main cylinder, 5. actuating sleeve, 6. pressing plate, 7. opening lock ring, 8. righting circle, 9. antirotation keys, 10. securing member A, 11. securing member B, 12. studs, 13. lower nut, and 14. raise nut, 15. piston rods.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to Fig. 1, Fig. 2, Fig. 3, structure of the present utility model is, comprise gripper shoe 3, gripper shoe 3 is connected with production tree body by stud 12, the both ends of the surface up and down that stud 12 passes gripper shoe 3 through hole are respectively installed with and raise nut 14 and downward nut 13, adjust rise nut 14 and lower the distance that nut 13 can change gripper shoe 3 and production tree body top;
Be installed with fluid cylinder 1 at gripper shoe 3 upper surface, when to the P1 confession hydraulic oil of fluid cylinder 1, fluid cylinder 1 piston rod 15 stretches out downwards, and when to P2 confession force feed, the piston rod 15 of fluid cylinder 1 is upwards retracted; Below gripper shoe 3, be placed with main cylinder 4, the piston rod 15 of fluid cylinder 1 is fixedly connected with by screw thread with main cylinder 4 downwards;
Main cylinder 4 upper surface apical grafting has position indicating arm 2, position indicating arm 2 is upward through the unthreaded hole of gripper shoe 3, can move up and down with main cylinder 4, and position indicating arm 2 bar is carved with upper and lower two annular grooves, for the extended position height of observation place indicating arm 2, i.e. the height of main cylinder 4;
In the middle part of main cylinder 4, external peripheral threads is socketed with actuating sleeve 5, and rotary actuation cover 5 can realize moving up and down of the relative main cylinder 4 of actuating sleeve 5; In the annular groove of main cylinder 4 bottom, be set with pressing plate 6, pressing plate 6 is along the circumferential direction made up of many lobes, and each pressing plate 6 joint connects successively respectively by securing member B11;
Be provided with righting circle 8 below pressing plate 6, righting circle 8 and main cylinder 4 excircle are threaded connection; Opening lock ring 7 is provided with in pressing plate 6 and righting circle 8 draw-in groove, opening lock ring 7 adopts elastomeric material, opening lock ring 7 can tighten under external force and open, can be expressed to opening lock ring 7 when actuating sleeve 5 moves down, pressing plate 6 lower surface and righting circle 8 draw-in groove limit hatch lock 7 vertically and the displacement of radial direction;
The lower circumferential of main cylinder 4 is symmetrically distributed with two guiding antirotation keys 9 in 180 °, and each guiding antirotation keys 9 is fixedly connected with main cylinder 4 by a securing member A10.
Position indicating arm 2 is observed groove and judge hole protector locking or released state, this indicating structure may also be the frame for movement such as push rod, needle-valve, or the alternate manner such as displacement transducer.Position indicating arm 2 is placed in main cylinder 4 upper surface, also can be positioned at other position, and as being connected on the main cylinder face of cylinder, or the piston rod of fluid cylinder 1 is first-class.
Piston rod 15 and the main cylinder 4 of fluid cylinder 1, and righting circle 8 is threaded connection with main cylinder 4, also connects by modes such as clamp connection, bolt connection, riveted joint or welding.
Pressing plate forms by two pieces, is integrally formed by bolt, may also be three pieces or polylith pressing plate and is integrally formed by the formation of screw, rivet, pin or welding.
Actuating sleeve 5 moves to lower limit position, and opening lock ring 7 is tightened up by compression; Actuating sleeve 5 moves up, and opening lock ring 7 opens.May also be actuating sleeve 5 to move down, opening lock ring 7 opens; Actuating sleeve 5 moves up, and opening lock ring 7 tightens up.
Limited block or back-up ring can be increased, the position that restriction actuating sleeve 5 moves up on the external cylindrical surface of main cylinder 4 upper end.
Guiding antirotation keys 9 is fixedly connected with main cylinder 4 lower end by screw, may also be main cylinder 4 lower end with guiding anti-rotating function and carries guiding projection.
Securing member can be any form that can realize connection function, comprises screw, bolt, rivet or welding etc.
Operating principle of the present utility model is,
Mode 1) carry out the operation of locking hole protector
Hole protector state: transferred in production tree main channel, waits to lock.
Preparation: rotary actuation cover 5, makes actuating sleeve 5 be moved down into extreme position, realize opening lock ring 7 and tighten completely; To the P2 confession hydraulic oil of fluid cylinder 1, make the piston rod 15 of fluid cylinder 1 move to upper extreme position, by observation place indicating arm 2, twice position instruction annular groove is all visible, confirms that main cylinder 4 is in upper extreme position; Unclamp adjustment screw thread 14 and lower nut 13, make this two nut be positioned at the two ends of stud 12, stud 12 is in free state.
Hanging device is utilized to be placed in directly over hole protector by hole protector unlocking device for locking; and the guiding antirotation keys 9 of this hole protector unlocking device for locking lower end aligns with hole protector endoporus gathering sill; slowly transfer this hole protector unlocking device for locking, make it be placed in hole protector clamping sleeve bearing surface.Slow rotational support plate 3, makes stud 12 and production tree body upper surface install screwed hole aligned in position, is screwed into stud 12 lower end in production tree body screwed hole; Rotate and lower nut 13, upper surface and gripper shoe 3 lower surface are adjacent to; Tighten downwards and raise nut 14, lower surface and gripper shoe 3 upper surface are adjacent to, thus realize fixing of hole protector locking/unlocking tool and production tree position.Now; P1 to fluid cylinder 1 supplies hydraulic oil; the piston rod 15 of fluid cylinder 1 promotes main cylinder 4 and righting circle 8 downwards; realize hole protector actuating sleeve to move down; squeeze the retaining ring on hole protector; make it be locked in production tree body locking slot, finally complete the locking of hole protector and production tree, hole protector and production tree locking state structure are as shown in Figure 2.
Mode 2) operation of unlock hole protector
Hole protector state: be locked on production tree.
Preparation: rotary actuation cover 5, makes actuating sleeve 5 move up, until opening lock ring 7 opens completely; To the P1 confession hydraulic oil of fluid cylinder 1, make the piston rod 15 of fluid cylinder 1 move to lower limit position, by observation place indicating arm 2, only one, top observation groove is visible, confirms that main cylinder 4 is in extreme lower position; Unclamp adjustment screw thread 14 and lower nut 13, make this two nut be positioned at the two ends of stud 12, stud 12 is in free state.
Hanging device is utilized to be placed in directly over hole protector by hole protector unlocking device for locking; and the guiding antirotation keys 9 of this hole protector unlocking device for locking lower end aligns with hole protector endoporus gathering sill; slowly transfer this hole protector unlocking device for locking, until opening lock ring 7 springs in hole protector clamping sleeve annular groove.Slow rotational support plate 3, makes stud 12 and production tree body upper surface install screwed hole aligned in position, is screwed into stud 12 lower end in production tree body screwed hole; Rotate and lower nut 13, upper surface and gripper shoe 3 lower surface are adjacent to; Tighten downwards and raise nut 14, lower surface and gripper shoe 3 upper surface are adjacent to, thus realize fixing of this hole protector unlocking device for locking and production tree position.Now; to the P2 confession hydraulic oil of fluid cylinder 1; the piston rod 15 of fluid cylinder 1 moves up; make main cylinder 4 and righting circle 8 drive opening lock ring 7 to mention hole protector clamping sleeve to move up; realize hole protector upper locking ring retraction; depart from production tree, complete the unblock of hole protector and production tree, hole protector and production tree body released state structure are as shown in Figure 3.
The utility model discloses a kind of hole protector unlocking device for locking, during for hole protector installation, recovery operation, the quick locking of hole protector and production tree or unlocking operation.Hydraulic cylinder piston rod promotes locking and the unblock that drive sleeve completes hole protector and production tree; Stud through gripper shoe through hole is connected with production tree body, and adjusting upper and lower tune nut can the distance of modifier and production tree body upper surface; Position indicating arm through gripper shoe is placed in main cylinder upper surface, can lock or released state by show hole protector in real time; The position relationship of adjustment actuating sleeve and main cylinder, makes opening lock ring open and bounce back, realizes connection or the disengaging of this device and hole protector; The guiding rotation-preventing mechanism being connected to main cylinder bottom ensure that this device and the correct installation site of hole protector.This apparatus structure is simple; easy to operate; the installment state of locking, the real-time show hole protector of unlocked position indicating mechanism; guiding rotation-preventing mechanism completes Kinematic Positioning transferring in installation process; ensure that hole protector is correctly installed; solve existing hole protector unlocking device for locking complex structure, operating procedure is numerous and diverse, inefficiency, without problems such as locking state displays, the requirement of hole protector quick locking and unblock can be met.
Claims (4)
1. a hole protector unlocking device for locking, is characterized in that: comprise gripper shoe (3), and gripper shoe (3) is connected with production tree body by stud (12),
Fluid cylinder (1) is installed with at gripper shoe (3) upper surface, the piston rod (15) of fluid cylinder (1) is fixedly connected with main cylinder (4) downwards, and main cylinder (4) is provided with position indicating arm (2);
Main cylinder (4) middle part external peripheral threads is socketed with actuating sleeve (5), pressing plate (6) is set with in the annular groove of main cylinder (4) bottom, pressing plate (6) is along the circumferential direction made up of many lobes, and each pressing plate (6) joint connects successively;
Pressing plate (6) below is provided with righting circle (8), and righting circle (8) is connected with main cylinder (4) external peripheral threads; Be provided with opening lock ring (7) in pressing plate (6) and righting circle (8) draw-in groove, opening lock ring (7) when actuating sleeve (5) moves down, can be expressed to.
2. hole protector unlocking device for locking according to claim 1, is characterized in that: described stud (12) is respectively installed with rise nut (14) through the both ends of the surface up and down of gripper shoe (3) through hole and lowers nut (13).
3. hole protector unlocking device for locking according to claim 1; it is characterized in that: described position indicating arm (2) is upward through the unthreaded hole of gripper shoe (3), and position indicating arm (2) bar is carved with upper and lower two annular grooves.
4. hole protector unlocking device for locking according to claim 1; it is characterized in that: the lower circumferential of described main cylinder (4) is symmetrically distributed with two guiding antirotation keys (9) in 180 °, or carries guiding projection in main cylinder (4) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031865.4U CN204532221U (en) | 2015-01-16 | 2015-01-16 | A kind of hole protector unlocking device for locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031865.4U CN204532221U (en) | 2015-01-16 | 2015-01-16 | A kind of hole protector unlocking device for locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532221U true CN204532221U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520031865.4U Expired - Fee Related CN204532221U (en) | 2015-01-16 | 2015-01-16 | A kind of hole protector unlocking device for locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532221U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747481A (en) * | 2017-11-16 | 2018-03-02 | 宝鸡石油机械有限责任公司 | A kind of mechanical subsea production tree fetches and delivers instrument |
| GB2558040A (en) * | 2016-10-14 | 2018-07-04 | Nat Coupling Co Inc | Subsea hydraulic coupling with metal bore liner |
| US10557577B2 (en) | 2016-10-14 | 2020-02-11 | National Coupling Company | Subsea hydraulic coupling with metal bore liner |
| CN112431566A (en) * | 2020-12-08 | 2021-03-02 | 重庆前卫科技集团有限公司 | Tool for installing and recovering subsea Christmas tree |
-
2015
- 2015-01-16 CN CN201520031865.4U patent/CN204532221U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2558040A (en) * | 2016-10-14 | 2018-07-04 | Nat Coupling Co Inc | Subsea hydraulic coupling with metal bore liner |
| US10557577B2 (en) | 2016-10-14 | 2020-02-11 | National Coupling Company | Subsea hydraulic coupling with metal bore liner |
| GB2558040B (en) * | 2016-10-14 | 2020-02-19 | Nat Coupling Co Inc | Subsea hydraulic coupling with metal bore liner |
| CN107747481A (en) * | 2017-11-16 | 2018-03-02 | 宝鸡石油机械有限责任公司 | A kind of mechanical subsea production tree fetches and delivers instrument |
| CN112431566A (en) * | 2020-12-08 | 2021-03-02 | 重庆前卫科技集团有限公司 | Tool for installing and recovering subsea Christmas tree |
| CN112431566B (en) * | 2020-12-08 | 2024-04-02 | 重庆前卫科技集团有限公司 | Installation and recovery tool for underwater christmas tree |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |