CN103423540A - Multichannel rotary connector - Google Patents
Multichannel rotary connector Download PDFInfo
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- CN103423540A CN103423540A CN2012101677655A CN201210167765A CN103423540A CN 103423540 A CN103423540 A CN 103423540A CN 2012101677655 A CN2012101677655 A CN 2012101677655A CN 201210167765 A CN201210167765 A CN 201210167765A CN 103423540 A CN103423540 A CN 103423540A
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- stationary axle
- annular
- rotary shell
- multichannel
- liquid flow
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Abstract
The invention discloses a multichannel rotary connector and belongs to the field of continuous tubing operating machines. The multichannel rotary connector comprises a rotary casing and a fixed shaft, wherein the fixed shaft is arranged in the rotary casing, and the fixed shaft and the rotary casing form rotary dynamic seal connection. A driving device is arranged on the rotary casing, multichannel through holes are formed in the axial direction of the fixed shaft, a plurality of annular liquid flowing hole channels are arranged on the excircle surface of the fixed shaft, a plurality of communication holes in one-to-one correspondence to the plurality of annular liquid flowing hole channels are formed in the rotary casing, sealing is performed among the annular liquid flowing hole channels, and the multichannel through holes and the plurality of annular liquid flowing hole channels are communicated in one-to-one correspondence. According to the multichannel rotary connector, the multichannel through holes are formed in the axial direction of the fixed shaft, the plurality of communication holes are formed in the rotary casing, the multichannel through holes and the plurality of communication holes are communicated in one-to-one correspondence, and a plurality of sealing rings are arranged between the fixed shaft and the rotary casing to achieve sealing. Therefore, sealing capability of the multichannel rotary connector is improved, equipressure liquid and non-equipressure liquid can be conveyed simultaneously, and the multichannel rotary connector is compact in structure and convenient to maintain.
Description
Technical field
The present invention relates in the coiled tubing unit field, particularly a kind of Multi-channel rotating joint.
Background technique
Along with the needs that domestic continuous-tube technical development, continuous-tube implement are controlled, hydraulic control hose quantity is corresponding increase also.The Single-channel Rolling joint can only meet the connection of single hydraulic hose and control, can not meet the global design of continuous-tube equipment and the demand that outfit of equipment is arranged, need a kind of multichannel badly rotatable and can realize again dynamically and the jointing of static high pressure sealing condition, connect to realize many hydraulic lines of a coil tubing reel simultaneously.
The solution of analogue is that the few swivel joint of a plurality of passages of design is realized both at home and abroad; And its Multi-channel rotating joint of coil tubing reel that has before this similar functions more greatly, heavier, salable pressure is low, is unfavorable for installation and maintenance, can't meet the demand that high fluid is carried; And increased the volume of supporting coil tubing reel, be unfavorable for the compact design of coil tubing reel.
Summary of the invention
For the integrated multi-channel of realizing hydraulic line in continuous-tube equipment working procedure connects, realize carrying the press liquids such as isobaric and non-simultaneously, the invention provides a kind of Multi-channel rotating joint.
Described technological scheme is as follows:
A kind of Multi-channel rotating joint, comprise rotary shell and stationary axle, described stationary axle is arranged in described rotary shell, and the two forms rotary seal and connects, described rotary shell is provided with drive unit, axially form the multichannel through hole along described stationary axle, the periphery of described stationary axle is provided with a plurality of annular liquid flow holes road, on described rotary shell, form and described a plurality of annular liquid flow holes road a plurality of intercommunicating pores of corresponding connection one by one, sealing each other between each annular liquid flow hole road, described multichannel through hole and the corresponding connection one by one of described a plurality of annular liquid flow holes road.
Preferably, be equipped with a plurality of annular sleeves on described stationary axle, the encapsulation flange of a plurality of annular sleeves by being arranged at described stationary axle two ends by its axial tightening on described stationary axle, the inner headed face of described annular sleeve forms rotary seal with described stationary axle periphery and is connected, and the periphery of described annular sleeve forms static seal with the inner headed face of described rotary shell and is connected;
Described annular liquid flow hole road takes shape in the inner headed face place of each described annular sleeve, a plurality of annular liquid flow hole road of institute's moulding on a plurality of described annular sleeves and the corresponding connection one by one of described multichannel through hole, described a plurality of annular liquid flow holes road, respectively by an axle sleeve through hole and a plurality of intercommunicating pores corresponding connection one by one on described rotary shell, seals between a plurality of described axle sleeve through holes each other.
Further preferably, the inner headed face of described rotary shell is provided with the sealing each other between the described a plurality of housing groove of housing groove of corresponding connection one by one of a plurality of and described a plurality of annular liquid flow holes road, described a plurality of housing groove and the corresponding connection one by one of described a plurality of intercommunicating pores.
Most preferably, described stationary axle is two, and the left and right sides of the described rotary shell that is placed in, the two ends that are arranged at two described stationary axle in described rotary shell form and are rotatably connected with described rotary shell by bearing respectively, and the tightening vertically of described a plurality of annular sleeves is on the described stationary axle of two.
Described drive unit is the regular polygon driving wheel be arranged on described encapsulation flange, and described driving wheel takes shape on the periphery of one of them the encapsulation flange in two described encapsulation flanges.
At least form 6 tunnel holes on described stationary axle.
The beneficial effect that the technological scheme that the embodiment of the present invention provides is brought is:
A. the present invention by stationary axle axially on the multichannel through hole is set, annular groove a plurality of and the corresponding connection of multichannel through hole is set simultaneously on stationary axle, between each annular groove, by Sealing, seal, on rotary shell, arrange and a plurality of annular grooves a plurality of intercommunicating pores of corresponding connection one by one, like this, multichannel through hole on stationary axle and a plurality of intercommunicating pores on rotary shell form connected relation one to one, and wherein, the number of channels on swivel joint can reach 18.
B. between stationary axle and solid of rotation owing to having adopted multiple-sealed mode to be sealed, the seal and pressure bearing ability is strengthened, can bear 25MPa static pressure and 10MPa dynamic pressure.
C. on stationary axle, the multichannel through hole of institute's moulding can be used for carrying different medium, also can carry the medium of different pressures, when needs are adjusted the usage quantity of passage, only need the quantity of adjusting annular sleeve to be adjusted the usage quantity of passage easily, compact structure is reasonable, is convenient to maintenance.
D. to maintain static bearing be two stationary axle to Multi-channel rotating joint by bearing and encapsulation flange, is fixed in swivel joint, realizes the relative movement of stationary axle and rotary shell.With stationary axle of a rotary shell, compare, this scheme has reduced the difficulty of rotary shell deep hole processing, has guaranteed that the precision of stationary axle and rotary shell coaxality is higher.
The accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is Multi-channel rotating joint structural representation provided by the present invention;
Fig. 2 is the stationary axle and encapsulation flange structural drawing of 6 tunnel holes;
Fig. 3 is the stationary axle and encapsulation flange structural drawing of 9 tunnel holes.
In figure:
The 1-adpting flange; The left encapsulation flange of 2-3-bearing; The 4-seal ring; The 5-rotary shell; The 6-annular sleeve; The 7-bearing support; The 8-bearing; The 9-stationary axle; The right encapsulation flange of 10-; The 11-tunnel holes; The 12-intercommunicating pore; 13-annular liquid flow hole road; 14-axle sleeve through hole; The 15-housing groove; The 16-drive unit.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As depicted in figs. 1 and 2, the invention provides a kind of Multi-channel rotating joint, comprise rotary shell 5 and stationary axle 9, stationary axle 9 is arranged in rotary shell 5, and the two forms rotary seal and connects, rotary shell 5 is provided with drive unit 16, can drive rotary shell 5 to rotate, axially form multichannel through hole 11 along stationary axle 9, the periphery of stationary axle 9 is provided with a plurality of annular liquid flow holes road 13, on rotary shell 5, form and a plurality of annular liquid flow holes road 13 a plurality of intercommunicating pores 12 of corresponding connection one by one, sealing each other between each annular liquid flow hole road 13, multichannel through hole 11 and a plurality of annular liquid flow holes road 13 corresponding connection one by one.
Preferred technological scheme is to be equipped with a plurality of annular sleeves 6 on stationary axle 9, the encapsulation flange 2,10 of a plurality of annular sleeves 6 by being arranged at stationary axle 9 two ends by its axial tightening on stationary axle 9, the inner headed face of annular sleeve 6 forms rotary seal with stationary axle 9 peripheries and is connected, and the periphery of annular sleeve 6 forms static seal with the inner headed face of rotary shell 5 and is connected; Annular liquid flow hole road 13 takes shape on the inner headed face of each annular sleeve 6, a plurality of annular liquid flow hole road 13 of institute's moulding on a plurality of annular sleeves 6 and multichannel through hole 11 corresponding connection one by one, and, respectively by an axle sleeve through hole 14 and a plurality of intercommunicating pores 12 corresponding connection one by one on rotary shell 5, between a plurality of described axle sleeve through holes 14, seal each other.
Further preferred scheme: be provided with a plurality of and a plurality of annular liquid flow holes road 13 housing groove 15 of corresponding connection one by one on the inner headed face of rotary shell 5, a plurality of housing groove 15 and the corresponding connection one by one of a plurality of intercommunicating pores 12, sealing each other between a plurality of housing groove 15.
For long fixed axle structure, for ease of multichannel through hole 11 is processed, a stationary axle 9 can be divided into to two, the left and right sides of rotary shell 5 is placed in, wherein be plugged in the end fixing bearing 8 of the stationary axle 9 in rotary shell 5, form and be rotatably connected between two stationary axle 9 and rotary shell 5, the left and right stationary axle is installed into rotary shell 5 and keeps coaxality and steering flexibilities by bearing 8, between annular sleeve 6 and bearing support 7, by seal ring 4, forms dynamic and static sealing; The tightening vertically of a plurality of annular sleeves 6 is between bearing 8 and encapsulation flange 2,10.
Be provided with two stationary axle in Fig. 1, respectively form 6 tunnel holes 11 on each stationary axle, amount to 12 tunnel holes 11.
The present invention utilizes two ends, left and right adpting flange 1, encapsulation flange 2,10 and rotary shell 5 to form seal space, the intercommunicating pore 12 that designs as required different pore size on rotary shell 5 be connected internal thread, for twining the connection of pipe, intercommunicating pore 12 be connected the internal thread number more than 5; The inner left and right stationary axle 9 of installing of rotary shell 5, in the middle of during rotary shell 5 rotation, stationary axle 9 keeps fixing, form the little space of rotary seal annular by bearing 3,8, seal ring 4 and annular sleeve 6 between left and right stationary axle 9 and rotary shell 5, the corresponding connection of intercommunicating pore 12 on each annular little space and rotary shell 5.
The aperture of multichannel through hole wherein can be identical also can be different; The aperture of a plurality of intercommunicating pores also can be identical, also can be different.
Owing to being provided with multiple tracks annular liquid flow hole road on stationary axle, mutually seal by seal ring between each annular liquid flow hole road, so just formed multiple-sealedly on stationary axle, strengthened its sealability, rotary seal pressure can reach 10MPa, and the static sealing ability can reach 25MPa.
The invention described above embodiment's sequence number, just to describing, does not represent embodiment's quality.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a Multi-channel rotating joint, comprise rotary shell and stationary axle, described stationary axle is arranged in described rotary shell, and the two forms rotary seal and connects, it is characterized in that, described rotary shell is provided with drive unit, axially form the multichannel through hole along described stationary axle, the periphery of described stationary axle is provided with a plurality of annular liquid flow holes road, on described rotary shell, form and described a plurality of annular liquid flow holes road a plurality of intercommunicating pores of corresponding connection one by one, sealing each other between each annular liquid flow hole road, described multichannel through hole and the corresponding connection one by one of described a plurality of annular liquid flow holes road.
2. Multi-channel rotating joint according to claim 1, is characterized in that,
Be equipped with a plurality of annular sleeves on described stationary axle, the encapsulation flange of a plurality of annular sleeves by being arranged at described stationary axle two ends by its axial tightening on described stationary axle, the inner headed face of described annular sleeve forms rotary seal with described stationary axle periphery and is connected, and the periphery of described annular sleeve forms static seal with the inner headed face of described rotary shell and is connected;
Described annular liquid flow hole road takes shape in the inner headed face place of each described annular sleeve, a plurality of annular liquid flow hole road of institute's moulding on a plurality of described annular sleeves and the corresponding connection one by one of described multichannel through hole, described a plurality of annular liquid flow holes road, respectively by an axle sleeve through hole and a plurality of intercommunicating pores corresponding connection one by one on described rotary shell, seals between a plurality of described axle sleeve through holes each other.
3. Multi-channel rotating joint according to claim 2, is characterized in that,
The inner headed face of described rotary shell is provided with the sealing each other between the described a plurality of housing groove of housing groove of corresponding connection one by one of a plurality of and described a plurality of annular liquid flow holes road, described a plurality of housing groove and the corresponding connection one by one of described a plurality of intercommunicating pores.
4. according to the described Multi-channel rotating joint of claim 2 or 3, it is characterized in that,
Described stationary axle is two, and the left and right sides of the described rotary shell that is placed in, the two ends that are arranged at two described stationary axle in described rotary shell form and are rotatably connected with described rotary shell by bearing respectively, and the tightening vertically of described a plurality of annular sleeves is on the described stationary axle of two.
5. Multi-channel rotating joint according to claim 4, is characterized in that,
Described drive unit is the regular polygon driving wheel be arranged on described encapsulation flange, and described driving wheel takes shape on the periphery of one of them the encapsulation flange in two described encapsulation flanges.
6. Multi-channel rotating joint according to claim 5, is characterized in that,
At least form 6 tunnel holes on described stationary axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210167765.5A CN103423540B (en) | 2012-05-25 | 2012-05-25 | A kind of Multi-channel rotating joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210167765.5A CN103423540B (en) | 2012-05-25 | 2012-05-25 | A kind of Multi-channel rotating joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103423540A true CN103423540A (en) | 2013-12-04 |
| CN103423540B CN103423540B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210167765.5A Active CN103423540B (en) | 2012-05-25 | 2012-05-25 | A kind of Multi-channel rotating joint |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822861A (en) * | 2016-04-25 | 2016-08-03 | 天津优瑞纳斯液压机械有限公司 | Multi-channel rotary joint applicable to simultaneous transmission of multiple media |
| CN105927808A (en) * | 2016-07-06 | 2016-09-07 | 天津优瑞纳斯液压机械有限公司 | Combined type multi-passageway rotary joint |
| CN110735605A (en) * | 2019-11-13 | 2020-01-31 | 四川宏华石油设备有限公司 | double-layer continuous tube roller joint |
| CN112344114A (en) * | 2019-08-07 | 2021-02-09 | 中国石油天然气集团有限公司 | Rotary passage device |
Citations (8)
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|---|---|---|---|---|
| CA944786A (en) * | 1971-06-02 | 1974-04-02 | William J. Field | Rotary fluid seal |
| DE3632677A1 (en) * | 1986-09-26 | 1988-04-07 | Berg & Co Gmbh | Revolving hollow clamping cylinder |
| CN1194685A (en) * | 1996-05-24 | 1998-09-30 | Gat驱动技术股份有限公司 | Rotary transmission lead through for pressures and high relative speeds |
| US5829479A (en) * | 1994-07-04 | 1998-11-03 | Yazaki Corporation | Rotary valve |
| CN201133532Y (en) * | 2007-11-29 | 2008-10-15 | 湖北三江航天万山特种车辆有限公司 | Multichannel heavy pressure swiveling joint |
| CN101413610A (en) * | 2007-09-11 | 2009-04-22 | Gat传动技术有限公司 | Radial rotary transmission leadthrough |
| CN202028765U (en) * | 2011-03-10 | 2011-11-09 | 王式奇 | Improved hydraulic slip ring |
| CN202756812U (en) * | 2012-05-25 | 2013-02-27 | 中国石油天然气集团公司 | Multichannel rotating joint |
-
2012
- 2012-05-25 CN CN201210167765.5A patent/CN103423540B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA944786A (en) * | 1971-06-02 | 1974-04-02 | William J. Field | Rotary fluid seal |
| DE3632677A1 (en) * | 1986-09-26 | 1988-04-07 | Berg & Co Gmbh | Revolving hollow clamping cylinder |
| US5829479A (en) * | 1994-07-04 | 1998-11-03 | Yazaki Corporation | Rotary valve |
| CN1194685A (en) * | 1996-05-24 | 1998-09-30 | Gat驱动技术股份有限公司 | Rotary transmission lead through for pressures and high relative speeds |
| CN101413610A (en) * | 2007-09-11 | 2009-04-22 | Gat传动技术有限公司 | Radial rotary transmission leadthrough |
| CN201133532Y (en) * | 2007-11-29 | 2008-10-15 | 湖北三江航天万山特种车辆有限公司 | Multichannel heavy pressure swiveling joint |
| CN202028765U (en) * | 2011-03-10 | 2011-11-09 | 王式奇 | Improved hydraulic slip ring |
| CN202756812U (en) * | 2012-05-25 | 2013-02-27 | 中国石油天然气集团公司 | Multichannel rotating joint |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822861A (en) * | 2016-04-25 | 2016-08-03 | 天津优瑞纳斯液压机械有限公司 | Multi-channel rotary joint applicable to simultaneous transmission of multiple media |
| CN105927808A (en) * | 2016-07-06 | 2016-09-07 | 天津优瑞纳斯液压机械有限公司 | Combined type multi-passageway rotary joint |
| CN105927808B (en) * | 2016-07-06 | 2018-05-18 | 天津优瑞纳斯液压机械有限公司 | Combined type Multi-path rotary connector |
| CN112344114A (en) * | 2019-08-07 | 2021-02-09 | 中国石油天然气集团有限公司 | Rotary passage device |
| CN110735605A (en) * | 2019-11-13 | 2020-01-31 | 四川宏华石油设备有限公司 | double-layer continuous tube roller joint |
| CN110735605B (en) * | 2019-11-13 | 2021-04-02 | 四川宏华石油设备有限公司 | Double-layer coiled tubing roller joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103423540B (en) | 2016-08-10 |
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