CN201763291U - Locking and connecting device of locking piece - Google Patents
Locking and connecting device of locking piece Download PDFInfo
- Publication number
- CN201763291U CN201763291U CN2010202824817U CN201020282481U CN201763291U CN 201763291 U CN201763291 U CN 201763291U CN 2010202824817 U CN2010202824817 U CN 2010202824817U CN 201020282481 U CN201020282481 U CN 201020282481U CN 201763291 U CN201763291 U CN 201763291U
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- locking
- lock
- housing
- wall
- piston
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Abstract
The utility model relates to a locking and connecting device of a locking piece, which is applied to the well control equipment of an oil field. The upper part of a casing is provided with a rotary assembly of an assembly part. A window is arranged on the wall of the casing and can contain a locking piece, and an annular groove of the rotary assembly is opposite to the window of the casing; the locking piece is arranged in the window on the wall of the casing, a lower pressing piece and an upper pressing piece are fixed on the outer wall of the casing, an annular locking cylinder is arranged between the lower pressing piece and the upper pressing piece, and a space in the shape of a circular ring is formed between the locking cylinder and the casing; and a piston is arranged in the space in the shape of the circular ring. The lower pressing piece is provided with a hydraulic oil passage; and an annular groove is arranged on the outer wall of the piston, a locking pin hole is arranged on the wall of the locking cylinder, and a locking pin is arranged in the locking pin hole. The outer end of the locking pin is provided with a pull ring, the outside of the locking pin is provided with a locking pin cylinder, and the locking pin cylinder is fixed on the outer wall of the locking cylinder. A spring is arranged in the locking pin cylinder and is sleeved on the locking pin. The utility model has the advantages that the locking and connecting device of the locking piece has compact structure, the hydraulic operation is convenient, and the connection is safe and reliable.
Description
Technical field
The utility model relates to oilfield machinery equipment technology field, is used in particular for the well control device of sealing drilling rod, sleeve pipe, is a kind of lock dog locking coupling arrangement.
Background technology
The rotation control appliance is the equipment that drills through that has rotatory sealing, and sealing drilling rod, sleeve pipe etc. are used for flowing of controlled pressure or surfactant fluid.At present, in the rotation control appliance of using always below drilling platform, the rotation assembly is connected with manual screw thread with the locking of housing assembly and connects and the clip connection.From drill-well operation, manually the screw thread connection needs the artificial drilling platform to rotation to go down to dismantle and installs, the problem of unsoundness, safety, environment aspect, and except the requirement of HSE, the artificial unloading more expends time in, and has reduced operating efficiency.Connect locking for clip, require the space under the drilling platform bigger, the locking that has for this reason designed this special construction connects form.
The utility model content
The purpose of this utility model is: a kind of lock dog locking coupling arrangement is provided, adopts lock dog locking connection form, sealing drilling rod, sleeve pipe, the flowing of controlled pressure or surfactant fluid.
The technical solution adopted in the utility model is: lock dog locking coupling arrangement, mainly form by housing, lower lock block, piston, locking cylinder, lock pin, draw ring, lock pin tube, spring, upper holder block, lock dog and rotation assembly, flange is arranged at the cylindrical shell bottom, housing sidewall has horizontal outlet, laterally there is flange the outlet end, it is characterized in that: rotation assembly (the rotation assembly is an assembly, can seal the drilling rod of rotation) is arranged in the central upper portion hole of housing.On the outer wall of rotation assembly cannelure is arranged.On the wall of housing window is arranged, the cannelure of rotation assembly is relative with the window of housing; Can hold lock dog in the window on the housing wall, lock dog radially slides in can the window on housing wall, and an end of lock dog can enter in the cannelure of rotation assembly, and the rotation assembly can not be moved.On the outer wall of housing, be fixed with the lower lock block of annular and the upper holder block of annular, between lower lock block and upper holder block, be fixed with annular locking cylinder, form annular space between locking cylinder and the housing; A piston is arranged in the annular space between locking cylinder and housing.Lower lock block has hydraulic oil channel, the annular space UNICOM of the hydraulic oil channel of lower lock block and piston bottom; Upper holder block has hydraulic oil channel, the annular space UNICOM on the hydraulic oil channel of upper holder block and piston top.The annular piston inwall has annular groove, and when being in released state, the lock dog outer end can embed in the annular groove; The last end face of annular groove is a taper seat, when piston during to lower slider the taper seat of annular groove can promote lock dog and inwardly slide.On the outer wall of piston, cannelure is arranged, on the locking casing wall, lockpin hole is arranged, lock pin is arranged in the lockpin hole.When being in locking state, in the cannelure of the inner insertion of lock pin piston outer wall.There is draw ring the outer end of lock pin, and there is the lock pin tube lock pin outside, and the lock pin tube is fixed on the outer wall of locking cylinder.In the lock pin tube spring is arranged, spring housing is on lock pin, and spring promotes the cannelure that lock pin inwardly inserts piston outer wall.The gap that symmetry is arranged in lock pin tube outer end, draw ring in gap the time lock pin insert the cannelure of piston; When outside pulling drawing clitellum pendulum lock pin breaks away from the piston cannelure, and draw ring is revolved turn 90 degrees, lock pin is removed the locking to piston.
For easy to use, the plane is fluted on upper holder block, is fixed with annular retaining ring in the groove on plane on upper holder block.
Between housing and rotation assembly, sealing ring is arranged.
The quantity of described lock dog is four, and outer inclined-plane is arranged between plane and the outer face on the lock dog, and the inclined-plane cooperates with the last end face of piston inner wall annular groove, promotes lock dog.Inclined-plane in the top is arranged between plane and the inner face on the lock dog, inclined-plane in the bottom is arranged between lock dog lower plane and the inner face.Can promote lock dog when piston slides up and down moves radially.
The course of work of summary lock dog locking coupling arrangement.Consult Fig. 1.The hydraulic oil that pumps into from the oil-in of upper holder block 9, promoting piston 3 moves down, the last end face of piston 3 inwall annular grooves promotes lock dog 11 and radially inwardly slides, and makes lock dog 11 inner insertions in the cannelure that rotates assembly 13 outer walls, realizes that rotation assembly 13 connects with the locking of housing 1.
Spur draw ring 6 and revolve and turn 90 degrees the locking that lock pin 5 is removed piston 3; From the hydraulic oil that the oil-in of lower lock block 2 pumps into, promote piston 3 and move up, lock dog 11 can be moved to off-centered direction, throw off with rotation assembly 13, realize the release of rotation assembly 13 and housing 1.Thereby can realize rotating assembly 13 connects and release with the locking of housing 1.
The beneficial effects of the utility model: the utility model lock dog locking coupling arrangement, compact conformation, hydraulic operation is convenient, connects safe and reliablely, realizes the locking and the release of two parts fast, can externally show a kind of device of locking of two parts and released state.
Description of drawings
Fig. 1 is a lock dog locking connecting device structure generalized section, is the locking state schematic diagram.
Fig. 2 is a lock dog locking connecting device structure generalized section, is the released state schematic diagram.
Among the figure, 1. housing, 2. lower lock block, 3. piston, 4. locking cylinder, 5. lock pin, 6. draw ring, 7. lock pin tube, 8. spring, 9. upper holder block, 10. back-up ring, 11. lock dogs, 12. sealing rings, 13. rotation assemblies.
The specific embodiment
Embodiment 1: with a lock dog locking coupling arrangement is example, and the utility model is described in further detail.
Consult Fig. 1.The utility model lock dog locking coupling arrangement mainly is made up of housing 1, lower lock block 2, piston 3, locking cylinder 4, lock pin 5, draw ring 6, lock pin tube 7, spring 8, upper holder block 9, back-up ring 10, lock dog 11, sealing ring 12 and rotation assembly 13.
Flange is arranged at cylindrical shell 1 bottom, and housing 1 sidewall has horizontal outlet, and laterally there is flange the outlet end.Rotation assembly 13 is arranged in the central upper portion hole of housing 1.Between housing 1 and rotation assembly 13, two seals circle 12 is arranged.On the outer wall of rotation assembly 13 cannelure is arranged.On the wall of housing 1 window is arranged, the cannelure of rotation assembly 13 is relative with the window of housing 1; In the window on housing 1 wall lock dog 11 is arranged, lock dog 11 can radially slide in the window on housing 1 wall, and the quantity of lock dog 11 is four, and outer inclined-plane is arranged between plane and the outer face on the lock dog 11, the inclined-plane cooperates with the last end face of piston 3 inwall annular grooves, promotes lock dog 11.Inclined-plane in the top is arranged between plane and the inner face on the lock dog 11, between lock dog 11 lower planes and the inner face inclined-plane in the bottom is arranged.One end of lock dog 11 can enter in the cannelure of rotation assembly 13.On the outer wall of housing 1, be fixed with the lower lock block 2 of annular and the upper holder block 9 of annular, between lower lock block 2 and upper holder block 9, be fixed with annular locking cylinder 4, form annular space between locking cylinder 4 and the housing 1; A piston 3 is arranged in the annular space between locking cylinder 4 and housing 1.Lower lock block 2 has hydraulic oil channel, the annular space UNICOM of the hydraulic oil channel of lower lock block 2 and piston 3 bottoms; Upper holder block 9 has hydraulic oil channel, the annular space UNICOM on the hydraulic oil channel of upper holder block 9 and piston 3 tops.The plane is fluted on upper holder block 9, and the groove inner bolt on plane is fixed with an annular retaining ring 10 on upper holder block 9.
There is a draw ring 6 outer end of lock pin 5, and there is lock pin tube 7 lock pin 5 outsides, and lock pin tube 7 is fixed on the outer wall of locking cylinder 4.Spring 8 is arranged in lock pin tube 7, and spring 8 is enclosed within on the lock pin 5, and spring 8 promotes the cannelure that lock pin 5 inwardly inserts piston 3 outer walls.The gap that symmetry is arranged in lock pin tube 7 outer ends, draw ring 6 in gap the time lock pin 5 insert the cannelure of pistons 3.
Claims (4)
1. a lock dog is locked coupling arrangement, mainly form by housing (1), lower lock block (2), piston (3), locking cylinder (4), lock pin (5), draw ring (6), lock pin tube (7), spring (8), upper holder block (9), lock dog (11) and rotation assembly (13), flange is arranged at cylindrical shell (1) bottom, housing (1) sidewall has horizontal outlet, laterally there is flange the outlet end, it is characterized in that: assembly rotation assembly (13) is arranged in the central upper portion hole of housing (1); On the outer wall of rotation assembly (13) cannelure is arranged; On the wall of housing (1) window that can hold lock dog (11) is arranged, the cannelure of rotation assembly (13) is relative with the window of housing (1); In the window on housing (1) wall lock dog (11) is arranged, on the outer wall of housing (1), be fixed with the lower lock block (2) of annular and the upper holder block (9) of annular, between lower lock block (2) and upper holder block (9), be fixed with annular locking cylinder (4), form annular space between locking cylinder (4) and the housing (1); In the annular space between locking cylinder (4) and housing (1) piston (3) is arranged; Lower lock block (2) has hydraulic oil channel, the annular space UNICOM of the hydraulic oil channel of lower lock block (2) and piston (3) bottom; Upper holder block (9) has hydraulic oil channel, the annular space UNICOM on the hydraulic oil channel of upper holder block (9) and piston (3) top, and annular piston (3) inwall has annular groove; The last end face of annular groove is a taper seat, on the outer wall of piston (3) cannelure is arranged, and on locking cylinder (4) outer wall lockpin hole is arranged, and lock pin (5) is arranged in the lockpin hole; There is draw ring (6) outer end of lock pin (5), and there is lock pin tube (7) lock pin (5) outside, and lock pin tube (7) is fixed on the outer wall of locking cylinder (4); Spring (8) is arranged in lock pin tube (7), and spring (8) is enclosed within on the lock pin (5), and the gap of symmetry is arranged in lock pin tube (7) outer end.
2. lock dog locking coupling arrangement according to claim 1, it is characterized in that: the last plane at upper holder block (9) is fluted, is fixed with annular retaining ring (10) in the groove on the last plane of upper holder block (9).
3. lock dog locking coupling arrangement according to claim 1 is characterized in that: between housing (1) and rotation assembly (13) sealing ring (12) is arranged.
4. lock dog locking coupling arrangement according to claim 1, it is characterized in that: the quantity of described lock dog (11) is four, lock dog (11) is gone up between plane and the outer face outer inclined-plane, lock dog (11) is gone up between plane and the inner face inclined-plane in the top, between lock dog (11) lower plane and the inner face inclined-plane in the bottom is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202824817U CN201763291U (en) | 2010-08-05 | 2010-08-05 | Locking and connecting device of locking piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202824817U CN201763291U (en) | 2010-08-05 | 2010-08-05 | Locking and connecting device of locking piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763291U true CN201763291U (en) | 2011-03-16 |
Family
ID=43715900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202824817U Expired - Lifetime CN201763291U (en) | 2010-08-05 | 2010-08-05 | Locking and connecting device of locking piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763291U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107347596A (en) * | 2017-09-01 | 2017-11-17 | 遵化市兴民节水灌溉器材有限公司 | Pipe device is put in drip irrigation zone laying |
| CN110044432A (en) * | 2019-04-26 | 2019-07-23 | 江苏华海测控技术有限公司 | A kind of mass flowmenter |
| CN113186084A (en) * | 2021-04-27 | 2021-07-30 | 光翰科技(上海)有限公司 | Kit for biological detection |
| CN113200221A (en) * | 2021-04-27 | 2021-08-03 | 光翰科技(上海)有限公司 | Kit for detection |
-
2010
- 2010-08-05 CN CN2010202824817U patent/CN201763291U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107347596A (en) * | 2017-09-01 | 2017-11-17 | 遵化市兴民节水灌溉器材有限公司 | Pipe device is put in drip irrigation zone laying |
| CN110044432A (en) * | 2019-04-26 | 2019-07-23 | 江苏华海测控技术有限公司 | A kind of mass flowmenter |
| CN110044432B (en) * | 2019-04-26 | 2021-09-28 | 江苏华海测控技术有限公司 | Mass flowmeter |
| CN113186084A (en) * | 2021-04-27 | 2021-07-30 | 光翰科技(上海)有限公司 | Kit for biological detection |
| CN113200221A (en) * | 2021-04-27 | 2021-08-03 | 光翰科技(上海)有限公司 | Kit for detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |
|
| CX01 | Expiry of patent term |