CN207316299U - High-pressure sealed rotary joint - Google Patents
High-pressure sealed rotary joint Download PDFInfo
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- CN207316299U CN207316299U CN201721300242.8U CN201721300242U CN207316299U CN 207316299 U CN207316299 U CN 207316299U CN 201721300242 U CN201721300242 U CN 201721300242U CN 207316299 U CN207316299 U CN 207316299U
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- bearing
- rotary joint
- connector sleeve
- sealed rotary
- pressure sealed
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Abstract
It the utility model is related to a kind of high-pressure sealed rotary joint.High-pressure sealed rotary joint includes rotating end and termination connector sleeve, termination connector sleeve is socketed on rotation axis, rotation axis and the faying face of termination connector sleeve are equipped with sealing structure, the bearing of radial load and axial force can be born at the same time by being equipped between the rotating end and termination connector sleeve, rotating end is equipped with bearing inner race mounting base, and termination connector sleeve is equipped with bearing outer ring mounting base.The bearing of radial load and axial force can be born at the same time by being equipped between the rotating end and termination connector sleeve of the high-pressure sealed rotary joint, the application of bearing reduces the abrasion of rotating end and sealing structure, ensures that reliable sealing of the high-pressure sealed rotary joint during water flowing pressure testing.
Description
Technical field
It the utility model is related to a kind of high-pressure sealed rotary joint.
Background technology
It is one of critical examination technique of tubing repair process that oil pipe pressure test, which examines technique, and automatically upper button is oily for generally use
Pipe pressure testing system carries out water pressure testing sealing detection to oil pipe.High-pressure sealed rotary joint is the important component of oil pipe pressure test system,
Its one end is connected to oil pipe pressure tester main shaft tail end, and the high-pressure hose line that the other end is suppressed with water filling in equipment is connected, for
Low pressure water or high pressure water are injected in oil pipe pressure test system.
Notification number is CN201358730Y, and the day for announcing is that the Chinese utility model patent of 2009.12.09 discloses a kind of oil
Pipe pressure test rotary joint, as shown in Figure 1, the oil pipe pressure test rotary joint includes rotatable connection set and swivel joint, swivel joint
Rotating end 1 is formed, rotatable connection set forms termination connector sleeve 2, and one end of rotating end 1 is plugged in termination connector sleeve 2, end
The hole wall that head connector sleeve 2 is contacted with rotating end 1 is equipped with annular groove 4, is provided with seal in annular groove 4, seal forms circumferential direction
Sealing ring 5, rotating end 1 realize the movement that rotates in a circumferential direction by track and steel ball 3, and termination connector sleeve 2 is equipped with lubricating structure 6,
The position correspondence of lubricating structure 6 and track and steel ball 3.The oil pipe pressure test rotary joint is effectively reduced by setting lubricating structure
Know clearly the degree of wear of ball, improve the service life of ball.
But the rotating end of above-mentioned oil pipe pressure test rotary joint is relative to the rotary motion of termination connection interplanting circumferential direction
When, track and steel ball are produced and compressed and rubbed against, and cause track deformation, steel ball abrasion to diminish, so as to cause high pressure sealing rotation to connect
Head seal failure, influences pressure testing testing result.
Utility model content
The purpose of this utility model is to provide a kind of high-pressure sealed rotary joint, solves oil pipe pressure test of the prior art
Easily there is the problem of seal failure in swivel joint.
To achieve the above object, the technical solution of the utility model high-pressure sealed rotary joint is：
Technical solution 1：High-pressure sealed rotary joint includes rotating end and termination connector sleeve, and termination connector sleeve is socketed in rotation
Turn on axis, the faying face of rotation axis and termination connector sleeve is equipped with sealing structure, the rotating end and termination connector sleeve
Between be equipped with and can bear the bearing of radial load and axial force at the same time, rotating end is equipped with bearing inner race mounting base, termination company
Female connector is equipped with bearing outer ring mounting base.Its advantage is：The rotating end of the high-pressure sealed rotary joint is connected with termination
The bearing of radial load and axial force can be born at the same time by being equipped between set, and the application of bearing reduces rotating end and sealing structure
Abrasion, ensure that reliable sealing of the high-pressure sealed rotary joint during water flowing pressure testing.
Technical solution 2：On the basis of technical solution 1, bearing outer ring mounting base is bearing (ball) cover, bearing (ball) cover and termination
Connector sleeve is fixedly connected.
Technical solution 3：On the basis of technical solution 2, along the circumferential direction of connector sleeve on the lower face of the termination connector sleeve
Threaded hole is interval with, the bearing (ball) cover is bolted with termination connector sleeve.Its advantage is：Bearing (ball) cover and end
Head connector sleeve is bolted to connection, and conveniently carries out dismounting maintenance.
Technical solution 4：On the basis of technical solution 3, the depth of the threaded hole is more than bolt insertion termination connector sleeve
Length.Its advantage is：The pre-pressing force of sealing structure is adjusted by adjusting the pretightning force of bolt.
Technical solution 5：On the basis of technical solution 2 or 3 or 4, the knot up and down of the rotating end and termination connector sleeve
Conjunction face is equipped with interval, and the faying face of bearing (ball) cover and termination connector sleeve is equipped with buffering spacer.It has beneficial effect to be：Between being somebody's turn to do
It can ensure rotating end and the axial reliable sealing of terminal connection cover every the setting with buffering spacer.
Technical solution 6：On the basis of technical solution 2 or 3 or 4, the bearing (ball) cover is equipped with centre bore, rotating end
Centre bore is stretched out in lower end, spaced between the rotating end and the hole wall of the centre bore.Its advantage is：Rotating
It is spaced between termination and centre bore, it can ensure that rotating end rotation from resistance, reduces the abrasion of rotating end.
Technical solution 7：On the basis of any one of technical solution 1 to 4, the bearing inner race mounting base is to be arranged on rotation
Land on the outer circumferential surface of termination.
Technical solution 8：On the basis of any one of technical solution 1 to 4, the radial direction of the bearing outer ring mounting base and bearing
Contact and coordinate for transition.Its advantage is：Radially contacting with for annular protrusion and bearing coordinates for transition, can guarantee that bearing with
Rotating end normally rotates.
Technical solution 9：On the basis of any one of technical solution 1 to 4, the sealing structure includes circumferential seal circle and end
Face sealing ring.Its advantage is：Circumferential seal circle and end-face seal ring form dual-seal, strengthen sealing effect.
Technical solution 10：On the basis of technical solution 9, on the outer circumferential surface that the rotating end is contacted with termination connector sleeve
Equipped with annular groove, the circumferential seal circle is fastened in annular groove.
Technical solution 11：On the basis of technical solution 10, the circumferential seal circle is v-ring.Its advantage
It is：When v-ring is by axial load, it is easier to more preferable along sealing ring radial dilatation, sealing effect.
Technical solution 12：On the basis of technical solution 9, the lower face of the end-face seal ring is acclivitous oblique
Face.
Technical solution 13：On the basis of technical solution 12, the upper end of the rotating end is equipped with positioning shaft shoulder, fixed to connect
Ladder hole section is correspondingly provided with female connector, the end-face seal ring is fastened between positioning shaft shoulder and ladder hole section.
Technical solution 14：On the basis of any one of technical solution 1 to 4, the bearing is taper roll bearing.Its is beneficial
Effect is：Taper roll bearing can not only bear radial load, but also can bear axial load, and can play aligning work
With further reducing the abrasion of sealing structure.
Brief description of the drawings
Fig. 1 is the structure diagram of oil pipe pressure test rotary joint in the prior art；
Fig. 2 is the structure diagram of the utility model high-pressure sealed rotary joint.
1. rotating end；2. termination connector sleeve；3. ball；4. annular groove；5. circumferential seal circle；6. lubricating structure；7. circular cone
Roller bearing；8. bearing (ball) cover；9. bolt；10. threaded hole；12. buffering spacer；13. positioning shaft shoulder；14. end-face seal ring；
15. ladder hole section；16. centre bore；17. land.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The embodiment 1 of the high-pressure sealed rotary joint of the utility model, as shown in Fig. 2, the high-pressure sealed rotary joint bag
Rotating end 1 and termination connector sleeve 2 are included, termination connector sleeve 2 is socketed on rotating end 1, rotating end 1 and termination connector sleeve 2
Faying face be equipped with sealing structure, rotating end 1 and termination connector sleeve 2 between be equipped with and can bear radial load and axial direction at the same time
The bearing of power, rotating end are equipped with bearing inner race mounting base, and termination connector sleeve is equipped with bearing outer ring mounting base.
Bearing outer ring mounting base is bearing (ball) cover 8, and bearing inner race mounting base is the ring being arranged on rotating end outer circumferential surface
Platform 17, bearing are taper roll bearing 7, and bearing (ball) cover 8 coordinates with radially contacting with for taper roll bearing 7 for transition, bearing end
Lid 8 is equipped with centre bore 16, and the lower end of rotating end 1 is stretched out centre bore 16, stayed between rotating end 1 and the hole wall of centre bore 16
There is an interval, six spiral shells are set along the circumferential uniform intervals of bearing (ball) cover 8 on the end face that bearing (ball) cover 8 is contacted with termination connector sleeve 2
Keyhole.
Sealing structure includes circumferential seal circle 5 and end-face seal ring 14, and rotating end 1 contacts outer with termination connector sleeve 2
Side face is equipped with annular groove 4, and circumferential seal circle 5 is fastened in annular groove 4, and circumferential seal circle 5 is V-shaped seal ring.End-face seal ring 14
Lower face be acclivitous inclined-plane, the upper end of rotating end 1 is equipped with positioning shaft shoulder 13, is correspondingly provided with termination connector sleeve 2
Ladder hole section 15, end-face seal ring 14 are fastened between positioning shaft shoulder 13 and ladder hole section 15.
Rotating end 1 and the upper and lower bonding surfaces of termination connector sleeve 2 are equipped with interval, and the lower face of rotating end 1 is equipped with
Threaded hole 10 corresponding with the bolt hole on bearing (ball) cover 8, bearing (ball) cover 8 is connected with termination connector sleeve 2 by bolt 9, in axis
The faying face of socket end lid 8 and termination connector sleeve 2 is equipped with buffering spacer 12, and the length of threaded hole 10 is more than bolt 9 and is inserted into termination
Length in connector sleeve 2.The lower end of rotating end 1 is equipped with the screw thread that connection is adapted to oil pipe, and the upper end of termination connector sleeve 2 is equipped with
The screw thread of connection is adapted to hydraulic test pump.
The utility model high-pressure sealed rotary joint is applied to oil pipe pressure test system, when carrying out pressure testing to oil pipe, end
The built-in upper surface sealing ring 14 of ladder hole section of head connector sleeve 2, loads onto v-ring in the annular groove 4 of 1 outer circumferential surface of rotating end,
Taper roll bearing 7 is installed in the land 17 of 1 outer circumferential surface of rotating end, rotating end 1 is inserted in termination connector sleeve 2, bearing
End cap 8 is with spaced in the upper and lower bonding surfaces of termination connector sleeve 2, and bearing (ball) cover 8 on the faying face of termination connector sleeve 2 with setting
Bearing (ball) cover 8, is then crimped on termination connector sleeve 2, by adjusting the pretightning force of bolt 9 by buffering spacer 12 by bolt 9
The pre-pressing force of end-face seal ring 14 is adjusted, termination connector sleeve 2 not only can have mutually been rotated in rotating end 1, but also can keep
Sealing.2 upper end of termination connector sleeve of the high-pressure sealed rotary joint is connected by screw thread with hydraulic test pump, and 1 lower end of rotating end leads to
Cross screw thread to be connected with oil pipe, hydraulic test pump injects in oil pipe water from 2 direction of termination connector sleeve, and carries out pressure testing.With pressure
Constantly rise, circumferential seal circle 5 and 14 pressure-bearing of end-face seal ring by the clearance seal between rotating end 1 and termination connector sleeve 2,
It ensure that high pressure water will not be leaked from the high-pressure sealed rotary joint；Taper roll bearing 7 can not only bear radial load, but also can hold
By axial load, and aligning effect is played, reduce the abrasion of sealing structure.
Claims (14)
1. high-pressure sealed rotary joint, including rotating end and termination connector sleeve, termination connector sleeve is socketed on rotation axis, rotation
The faying face for turning axis and termination connector sleeve is equipped with sealing structure, it is characterised in that：The rotating end and termination connector sleeve
Between be equipped with and can bear the bearing of radial load and axial force at the same time, rotating end is equipped with bearing inner race mounting base, termination company
Female connector is equipped with bearing outer ring mounting base.
2. high-pressure sealed rotary joint according to claim 1, it is characterised in that：Bearing outer ring mounting base is bearing end
Lid, bearing (ball) cover are fixedly connected with termination connector sleeve.
3. high-pressure sealed rotary joint according to claim 2, it is characterised in that：On the lower face of the termination connector sleeve
Circumferentially-spaced along connector sleeve is equipped with threaded hole, and the bearing (ball) cover is bolted to connection with termination connector sleeve.
4. high-pressure sealed rotary joint according to claim 3, it is characterised in that：The depth of the threaded hole is more than bolt
It is inserted into the length of termination connector sleeve.
5. according to the high-pressure sealed rotary joint described in Claims 2 or 3 or 4, it is characterised in that：The rotating end and termination
The upper and lower bonding surfaces of connector sleeve are equipped with interval, and the faying face of bearing (ball) cover and termination connector sleeve is equipped with buffering spacer.
6. according to the high-pressure sealed rotary joint described in Claims 2 or 3 or 4, it is characterised in that：During the bearing (ball) cover is equipped with
Heart hole, centre bore is stretched out in the lower end of rotating end, spaced between the rotating end and the hole wall of the centre bore.
7. high-pressure sealed rotary joint according to any one of claims 1 to 4, it is characterised in that：The bearing inner race peace
It is the land being arranged on rotating end outer circumferential surface to fill seat.
8. high-pressure sealed rotary joint according to any one of claims 1 to 4, it is characterised in that：The bearing outer ring peace
Dress seat and radially contacting with for bearing coordinate for transition.
9. high-pressure sealed rotary joint according to any one of claims 1 to 4, it is characterised in that：The sealing structure bag
Include circumferential seal circle and end-face seal ring.
10. high-pressure sealed rotary joint according to claim 9, it is characterised in that：The rotating end is connected with termination
The outer circumferential surface of set contact is equipped with annular groove, and the circumferential seal circle is fastened in annular groove.
11. high-pressure sealed rotary joint according to claim 10, it is characterised in that：The circumferential seal circle is close for V-arrangement
Seal.
12. high-pressure sealed rotary joint according to claim 9, it is characterised in that：The lower face of the end-face seal ring
For acclivitous inclined-plane.
13. high-pressure sealed rotary joint according to claim 12, it is characterised in that：The upper end of the rotating end is equipped with
Positioning shaft shoulder, is fixedly connected to put on and is correspondingly provided with ladder hole section, and the end-face seal ring is fastened on positioning shaft shoulder and ladder hole section
Between.
14. high-pressure sealed rotary joint according to any one of claims 1 to 4, it is characterised in that：The bearing is circular cone
Roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300242.8U CN207316299U (en) | 2017-10-10 | 2017-10-10 | High-pressure sealed rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300242.8U CN207316299U (en) | 2017-10-10 | 2017-10-10 | High-pressure sealed rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316299U true CN207316299U (en) | 2018-05-04 |
Family
ID=62429702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721300242.8U Active CN207316299U (en) | 2017-10-10 | 2017-10-10 | High-pressure sealed rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316299U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758337A (en) * | 2018-05-28 | 2018-11-06 | 中国石油天然气集团有限公司 | A kind of connection structure of high pressure pipe joint, pressure vessel and high pressure pipe joint connection method |
| CN108980491A (en) * | 2018-09-20 | 2018-12-11 | 杭州优能特旋转接头制造厂 | A kind of shock reducing type rotary joint structure |
| CN109140096A (en) * | 2018-09-20 | 2019-01-04 | 杭州优能特旋转接头制造厂 | A kind of commutation type rotary joint structure |
| CN109442122A (en) * | 2018-12-17 | 2019-03-08 | 东莞职业技术学院 | A kind of Pneumatic rotary connector |
| CN112412348A (en) * | 2020-10-29 | 2021-02-26 | 四川宏华石油设备有限公司 | High-pressure manifold telescopic rotary nipple |
| CN112412347A (en) * | 2020-10-29 | 2021-02-26 | 四川宏华石油设备有限公司 | High-pressure manifold rotating nipple |
-
2017
- 2017-10-10 CN CN201721300242.8U patent/CN207316299U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758337A (en) * | 2018-05-28 | 2018-11-06 | 中国石油天然气集团有限公司 | A kind of connection structure of high pressure pipe joint, pressure vessel and high pressure pipe joint connection method |
| CN108980491A (en) * | 2018-09-20 | 2018-12-11 | 杭州优能特旋转接头制造厂 | A kind of shock reducing type rotary joint structure |
| CN109140096A (en) * | 2018-09-20 | 2019-01-04 | 杭州优能特旋转接头制造厂 | A kind of commutation type rotary joint structure |
| CN108980491B (en) * | 2018-09-20 | 2020-04-14 | 杭州优能特旋转接头制造厂 | Damping formula rotary joint structure |
| CN109442122A (en) * | 2018-12-17 | 2019-03-08 | 东莞职业技术学院 | A kind of Pneumatic rotary connector |
| CN109442122B (en) * | 2018-12-17 | 2020-12-22 | 东莞职业技术学院 | Pneumatic rotary joint |
| CN112412348A (en) * | 2020-10-29 | 2021-02-26 | 四川宏华石油设备有限公司 | High-pressure manifold telescopic rotary nipple |
| CN112412347A (en) * | 2020-10-29 | 2021-02-26 | 四川宏华石油设备有限公司 | High-pressure manifold rotating nipple |
| CN112412348B (en) * | 2020-10-29 | 2022-07-05 | 四川宏华石油设备有限公司 | High-pressure manifold telescopic rotary nipple |
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