CN206801517U - The lubricator of axial stretching radial misalignments compensation - Google Patents
The lubricator of axial stretching radial misalignments compensation Download PDFInfo
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- CN206801517U CN206801517U CN201720559147.3U CN201720559147U CN206801517U CN 206801517 U CN206801517 U CN 206801517U CN 201720559147 U CN201720559147 U CN 201720559147U CN 206801517 U CN206801517 U CN 206801517U
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- connecting tube
- outer barrel
- lubricator
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Abstract
The utility model discloses a kind of lubricator of axial stretching radial misalignments compensation, including connecting tube I, connecting tube I passes downwardly through a Ball faced nut and is connected with the sphere of connecting tube II, outer barrel is set with the lower port of connecting tube II, inner cylinder is set with outer tube inner chamber, the excircle of outer barrel is set with dust-proof sleeve, and the lower end of dust-proof sleeve is set with connecting tube III, and the inner wall lower of connecting tube III is provided with step；The lower port of connecting tube III is connected by another Ball faced nut with the sphere of connecting tube IV.Device of the present utility model, can axial stretching, and collapsing length is random length in adjustable range, reduces on-site installation work amount and lubricator configuration quantity and specification；Can radial misalignments compensation, blowout prevention box, lubricator, wellhead equipment three center need not be entirely on the center, reduce installation difficulty during equipment connection, and equipment connection is more convenient.
Description
Technical field
The utility model belongs to bank head machinery equipment technical field, is related to a kind of blowout prevention of axial stretching radial misalignments compensation
Pipe.
Background technology
Lubricator is in the case of wellheadpressure, completes continuous pipe operation or drill string removes essential well
Control equipment.At present during onsite application, typically it is formed by connecting by more, directly passes through union or flange rigidity between one and one
Connection, whole lubricator one end are connected with wellhead equipment, and one end is connected with being installed on the blowout prevention box of injection head bottom, makes blowout prevention box
Sealing space is formed between wellhead equipment, realizes and with pressure removes tool string.When adapting to different instrument string length, need to combine not
With the lubricator of length, while need that injection head height and position is adjusted, so as to adjust blowout prevention box position, to meet difference
The continuous pipe operation of length or the drill string requirement with pressure removed, have the disadvantage that and insufficient：1) existing lubricator
Joint length is unadjustable, needs the lubricator of supporting a variety of different lengths, in-convenience in use；2) on-site installation work amount is big, labor
Fatigue resistance is big, complex operation；3) unadjustable injection head height and position, lubricator and blowout prevention box are difficult in adapt to and wellhead equipment is adopted
The requirement for needing the continuous pipe combination drill of proper alignment to realize under-balance drilling operation with being rigidly connected.
Utility model content
The purpose of this utility model is to provide a kind of lubricator of axial stretching radial misalignments compensation, solves current routine
Lubricator joint length is unadjustable, and continuous pipe combination drill injection head height and position is unadjustable, and lubricator and blowout prevention box
With wellhead equipment using being rigidly connected, it is necessary to proper alignment well head complex operation, the problem of difficulty is big.
The utility model the technical scheme adopted is that a kind of axial stretching radial misalignments compensation lubricator, including even
Adapter I, connecting tube I pass downwardly through a Ball faced nut and are connected with the sphere of connecting tube II, are set with the lower port of connecting tube II outer
Tin, inner cylinder is set with outer tube inner chamber, the excircle of outer barrel is set with dust-proof sleeve, and the lower end of dust-proof sleeve is set with connecting tube
III, the inner wall lower of connecting tube III is provided with step；The lower port of connecting tube III passes through another Ball faced nut and connecting tube IV
Sphere connects.
The lubricator of axial stretching radial misalignments compensation of the present utility model, is further characterized in that：
Holding screw I, dirt-proof boot are provided between the described lower port upper position of connecting tube II and the outer lug boss of outer barrel
Holding screw II is provided between cylinder lower port upper position and the top of connecting tube III.
The contact surface of described connecting tube I and connecting tube II is provided with one group of sealing ring, connecting tube III and connecting tube IV
Contact surface is provided with another group of sealing ring；Connecting tube II and the contact surface of outer barrel are provided with combination sealing I；The upper periphery of inner cylinder
Contact surface between outer tube inner wall is provided with lip-type packing, guide ring and combination sealing II simultaneously；In dust-proof upper cartridge
Contact surface between wall and outer barrel periphery is provided with dust ring, at the same between connecting tube III and inner cylinder contact surface be provided with combine it is close
Envelope III, combination sealing IV is provided between the lower port periphery of connecting tube IV and bottom.
Described inner cylinder is provided with external screw thread, and outer barrel is provided with internal thread, and inner cylinder and outer barrel are connected through a screw thread.
The described lower end of connecting tube II and outer barrel are connected through a screw thread, and connecting tube III and inner cylinder are connected through a screw thread.
The beneficial effects of the utility model are, the lubricator can axial stretching, and collapsing length is any in adjustable range
Length, reduce on-site installation work amount and lubricator configuration quantity and specification；Can radial misalignments compensation, blowout prevention box, lubricator, well
Jaws equipment three center need not be entirely on the center, reduces installation difficulty during equipment connection, and equipment connection is more convenient.
Brief description of the drawings
Fig. 1 is the structure cut-away view of the utility model device；
Fig. 2 is the use state diagram of the utility model device；
Fig. 3 is enlarged drawing at the A in Fig. 1；
Fig. 4 is enlarged drawing at the B in Fig. 1；
Fig. 5 is enlarged drawing at the C in Fig. 1；
Fig. 6 is enlarged drawing at the D in Fig. 1；
Fig. 7 is enlarged drawing at the E in Fig. 1.
In figure, 1. connecting tubes I, 2. Ball faced nuts, 3. connecting tubes II, 4. holding screws I, 5. inner cylinders, 6. outer barrels, 7. is dust-proof
Sleeve, 8. holding screws II, 9. connecting tubes III, 10. connecting tubes IV, 11. sealing rings, 12. combination sealings I, 13. lip packing
Circle, 14. guide rings, 15. combination sealings II, 16. dust rings, 17. combination sealings III, 18. combination sealings IV.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Reference picture 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, structure of the present utility model are, including connecting tube I 1, connecting tube I 1
Pass downwardly through a Ball faced nut 2 to be connected with the sphere of connecting tube II 3, be set with outer barrel 6 in the lower port of connecting tube II 3, in outer barrel 6
Inner cylinder 5 is set with chamber, the excircle of outer barrel 6 is set with dust-proof sleeve 7, and the lower end of dust-proof sleeve 7 is set with connecting tube III 9,
The inner wall lower of connecting tube III 9 is provided with step, and the seat for inner cylinder 5 is put；The lower port of connecting tube III 9 passes through another sphere
Nut 2 is connected with the sphere of connecting tube IV 10；
Holding screw I 4, dust-proof sleeve 7 are provided between the lower port upper position of connecting tube II 3 and the outer lug boss of outer barrel 6
Holding screw II 8 is provided between lower port upper position and the top of connecting tube III 9；
The contact surface of connecting tube I 1 and connecting tube II 3 is provided with one group of sealing ring 11, connecting tube III 9 and connecting tube IV 10
Contact surface is provided with another group of sealing ring 11；Connecting tube II 3 and the contact surface of outer barrel 6 are provided with combination sealing I 12；Inner cylinder 5
Contact surface between upper periphery and the inwall of outer barrel 6 is provided with lip-type packing 13, guide ring 14 and combination sealing II 15 simultaneously；
Contact surface between the dust-proof upper inside wall of sleeve 7 and the periphery of outer barrel 6 is provided with dust ring 16, at the same connecting tube III 9 and inner cylinder 5 it
Between contact surface be provided with combination sealing III 17, be provided with combination sealing IV 18 between the lower port periphery of connecting tube IV 10 and bottom.
Above-mentioned connecting tube I 1, Ball faced nut 2, connecting tube II 3, sealing ring 11, connecting tube III 9, connecting tube IV 10 are together
Referred to as radial misalignments compensation mechanism；
Above-mentioned holding screw I 4, inner cylinder 5, outer barrel 6, dust-proof sleeve 7, holding screw II 8, combination sealing I 12, lip are close
Seal 13, guide ring 14, combination sealing II 15, dust ring 16, combination sealing III 17 are collectively referred to as telescoping mechanism.
Operation principle of the present utility model is,
Reference picture 1, Fig. 2, Fig. 3, Fig. 7, the top half of Ball faced nut 2 on lubricator top pass through under screw thread and connecting tube I 1
Sphere female joint connection is held, the latter half of Ball faced nut 2 connects together with the upper end sphere pin end of connecting tube II 3.Connection
The lower end sphere female joint of pipe I 1 and the contact surface and the upper end sphere pin end of connecting tube II 3 of the upper end sphere pin end of connecting tube II 3
Contact surface with Ball faced nut 2 is sphere, the wherein lower end sphere female joint of connecting tube I 1 and the upper end sphere public access of connecting tube II 3
Head contact surface is that metallic spheric surface contacts sealing surface, while is provided with sealing ring 11 on the upper end sphere pin end of connecting tube II 3 so that
After three's connection, connecting tube I 1 and connecting tube II 3 can be in adjustable range internal rotation any angles, and ensure the interior of both contact positions
Portion seals；
Another the latter half of Ball faced nut 2 of lubricator bottom passes through screw thread and the upper end sphere female joint of connecting tube IV 10
Connection, the top half of Ball faced nut 2 and the upper end sphere pin end of connecting tube III 9, the lower end sphere pin end of connecting tube III 9 and company
The upper end sphere female joint of adapter IV 10 links together.The lower end sphere pin end of connecting tube III 9 and the upper end sphere of connecting tube IV 10
The contact surface and the lower end sphere pin end of connecting tube III 9 of female joint and the contact surface of Ball faced nut 2 are sphere, wherein connecting
The lower end sphere pin end of adapter III 9 and the upper end sphere female connector contact surface of connecting tube IV 10 are that metallic spheric surface contacts sealing surface, together
When the lower end sphere pin end of connecting tube III 9 on be provided with another group of sealing ring 11 so that the three connection after, the He of connecting tube III 9
Connecting tube IV 10 can be in adjustable range internal rotation any angle, and ensures the inner sealing of both contact positions；Lubricator both ends point
Corner can not be relatively rotated and be formed, caused radial misalignments value is not aligned so as to compensate blowout prevention box and wellhead equipment center, sees
Fig. 2.
Reference picture 4, Fig. 5, the 26S Proteasome Structure and Function implementation of lubricator telescoping mechanism are expressed as follows：Inner cylinder 5 is provided with outer
Screw thread, outer barrel 6 are provided with internal thread, and inner cylinder 5 and outer barrel 6 are connected through a screw thread to form screw-drive mechanism, so that both can
Integral telescopic is realized by rotating against, combination lip-type packing 13, guide ring 14, combination sealing II 15 are provided with inner cylinder 5,
Make inner cylinder 5 and outer barrel 6 is scalable while inner sealing, can prevent solid particle from entering sealing surface using lip-type packing 13, from
And damage seal and sealing surface.
Shown in reference picture 1, Fig. 4, Fig. 5, the outside of outer barrel 6 is provided with dust-proof sleeve 7, and the dust-proof lower end of sleeve 7 passes through clamp screw
II 8 are followed closely to be connected with connecting tube III 9, the dust-proof top of sleeve 7 is provided with dust ring 16, dust-proof sleeve 7 can when inner cylinder 5 stretches with
It is dynamic, the threaded portion that inner cylinder 5 stretches out is formed confined space, prevent screw thread to be contaminated.
Reference picture 1, Fig. 4, the lower end of connecting tube II 3 and outer barrel 6 are connected through a screw thread, and locking by holding screw I 4, together
When the lower end of connecting tube II 3 and outer barrel 6 between be provided with combination sealing I 12, realize sealing between the two.
Reference picture 1, Fig. 5, Fig. 6, connecting tube III 9 and inner cylinder 5 are connected through a screw thread, and locking by holding screw II 8, together
When connecting tube III 9 and inner cylinder 5 between be provided with combination sealing III 17, realize sealing between the two.
In summary, telescoping mechanism includes inner cylinder 5 and outer barrel 6, lip-type packing 13, guide ring 14, combination sealing II 15,
Inner cylinder 5 and outer barrel 6 realize inside and outside cylinder using threaded connection by lip-type packing 13, guidance tape 14, combination sealing II 15
Between it is flexible, be oriented to and sealing, random length of being stretched in adjustable range；Radial misalignments compensation mechanism is by connecting tube I 1, ball
The sealing of lubricator upper metal sphere-contact and rotational structure that face nut 2, connecting tube II 3, sealing ring 11 form, connecting tube III
9th, the bottom lubricator metallic spheric surface contact sealing and rotational structure that Ball faced nut 2, connecting tube IV 10, sealing ring 11 form, from
And compensate center when lubricator is connected with blowout prevention box, wellhead equipment and do not align caused radial misalignments value.
Claims (5)
- A kind of 1. lubricator of axial stretching radial misalignments compensation, it is characterised in that：Including connecting tube I (1), connecting tube I (1) to It is connected by a Ball faced nut (2) with connecting tube II (3) sphere down, outer barrel (6) is set with connecting tube II (3) lower port, Inner cylinder (5) is set with outer barrel (6) inner chamber, the excircle of outer barrel (6) is set with dust-proof sleeve (7), the lower end of dust-proof sleeve (7) Connecting tube III (9) is set with, the inner wall lower of connecting tube III (9) is provided with step；The lower port of connecting tube III (9) passes through another Individual Ball faced nut (2) is connected with connecting tube IV (10) sphere.
- 2. the lubricator of axial stretching radial misalignments compensation according to claim 1, it is characterised in that：Described connecting tube Holding screw I (4), dust-proof sleeve (7) lower port are provided between the outer lug boss of II (3) lower port upper position and outer barrel (6) Holding screw II (8) is provided between upper position and connecting tube III (9) top.
- 3. the lubricator of axial stretching radial misalignments compensation according to claim 1, it is characterised in that：Described connecting tube I (1) and the contact surface of connecting tube II (3) are provided with one group of sealing ring (11), connecting tube III (9) contact with connecting tube IV (10) Face is provided with another group of sealing ring (11)；Connecting tube II (3) and the contact surface of outer barrel (6) are provided with combination sealing I (12)；Inner cylinder (5) contact surface between upper periphery and outer barrel (6) inwall is provided with lip-type packing (13), guide ring (14) and group simultaneously Close II (15) of sealing；Contact surface between dust-proof sleeve (7) upper inside wall and outer barrel (6) periphery is provided with dust ring (16), together When connecting tube III (9) and inner cylinder (5) between contact surface be provided with combination sealing III (17), connecting tube IV (10) lower port periphery with Combination sealing IV (18) is provided between bottom.
- 4. the lubricator of axial stretching radial misalignments compensation according to claim 1, it is characterised in that：Described inner cylinder (5) external screw thread is provided with, outer barrel (6) is provided with internal thread, and inner cylinder (5) and outer barrel (6) are connected through a screw thread.
- 5. the lubricator of axial stretching radial misalignments compensation according to claim 1, it is characterised in that：Described connecting tube II (3) lower end and outer barrel (6) are connected through a screw thread, and connecting tube III (9) and inner cylinder (5) are connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559147.3U CN206801517U (en) | 2017-05-19 | 2017-05-19 | The lubricator of axial stretching radial misalignments compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559147.3U CN206801517U (en) | 2017-05-19 | 2017-05-19 | The lubricator of axial stretching radial misalignments compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801517U true CN206801517U (en) | 2017-12-26 |
Family
ID=60741163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720559147.3U Expired - Fee Related CN206801517U (en) | 2017-05-19 | 2017-05-19 | The lubricator of axial stretching radial misalignments compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946292A (en) * | 2020-09-09 | 2020-11-17 | 中国石油天然气集团有限公司 | Telescopic blowout prevention pipe |
-
2017
- 2017-05-19 CN CN201720559147.3U patent/CN206801517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946292A (en) * | 2020-09-09 | 2020-11-17 | 中国石油天然气集团有限公司 | Telescopic blowout prevention pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201228 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: BAOJI OILFIELD MACHINERY Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co.,Ltd. Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |