CN110360397A - A kind of ultralow temperature rotary joint - Google Patents
A kind of ultralow temperature rotary joint Download PDFInfo
- Publication number
- CN110360397A CN110360397A CN201910729146.2A CN201910729146A CN110360397A CN 110360397 A CN110360397 A CN 110360397A CN 201910729146 A CN201910729146 A CN 201910729146A CN 110360397 A CN110360397 A CN 110360397A
- Authority
- CN
- China
- Prior art keywords
- flange
- outer ring
- dustproof
- ring
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims description 17
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0824—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings
Abstract
This application discloses a kind of ultralow temperature rotary joints, are related to rotary joint field, comprising: quiet flange；The side of outer ring, the quiet flange is flexibly connected the outer ring；Inner ring, the side of the quiet flange are also flexibly connected the inner ring, have cavity between the inner ring and the outer ring, and the cavity is connected to the quiet flange and outer ring, the quiet flange and the inner ring, the inner ring and the outer ring；The side of the outer ring and the inner ring is arranged in dynamic flange, the dynamic flange, and dustproof and waterproof sealing is provided between the quiet flange and outer ring, and the dustproof and waterproof sealing is suitable for sealing the cavity clearance between the quiet flange and the outer ring；Dustproof and waterproof seals leakage detection apparatus, the dustproof and waterproof sealing leakage detection apparatus is arranged in the through-hole of the outer ring, which is connected to the cavity, seals leakage detection apparatus by dustproof and waterproof and detects moisture content in rotary joint, can quickly know whether dustproof and waterproof sealing is effective, it is convenient, effective.
Description
Technical field
This application involves rotary joint fields, are related specifically to a kind of ultralow temperature rotary joint.
Background technique
Ultralow temperature handling oil filling riser arm and ultralow temperature ship loading and unloading arm are the domestic industrial products just developed in recent years, main to use
In the handling of chemical industry and petrochemical industry very low temperature flow, technological core component is rotary joint.Rotation in the prior art connects
Head has following defects that inner ring, and outer ring is all individual entity, in ultralow temperature because the transmitting of temperature is different, can generate
Different deformation is caused to inter deterioration, and then destroys internal structure and sealing.Dustproof and waterproof sealing in the prior art is also referred to as
Nitrogen-sealed is designed as the general plug sealing in end face, and metallic sealing section is arranged radially, and is easy to make metallic sealing section in process of production
And it is worn when installation maintenance；And dustproof and waterproof sealing, once revealing failure because of reasons such as abrasions, meeting is continuous inside rotary joint
Accumulative steam understands the failure of other seal members, and then entire rotary joint is made to fail.
Summary of the invention
The application purpose is to solve dustproof and waterproof sealing in the prior art to rotate once revealing failure because of reasons such as abrasions
The problem of steam can constantly be added up inside connector and understand the failure of other seal members, and then entire rotary joint is made to fail.
To reach above-mentioned purpose, the application uses a kind of following technical scheme: ultralow temperature rotary joint, comprising: quiet flange；
The side of outer ring, quiet flange is flexibly connected outer ring；Inner ring, the side of quiet flange is also flexibly connected inner ring, between inner ring and outer ring
With cavity, cavity is connected to quiet flange and outer ring, quiet flange and inner ring, inner ring and outer ring；Dynamic flange moves flange and is arranged in outer ring
With the side of inner ring, dustproof and waterproof sealing is provided between quiet flange and outer ring, dustproof and waterproof sealing is suitable for sealing quiet flange
Cavity clearance between outer ring；Dustproof and waterproof seals leakage detection apparatus, and the through-hole of outer ring is arranged in dustproof and waterproof sealing leakage detection apparatus
In, which is connected to cavity, and dustproof and waterproof seals leakage detection apparatus and is suitable for detection rotary joint internal moisture diffusion；
The sealing for guaranteeing cavity is sealed by setting dustproof and waterproof, and leakage detection apparatus setting, energy are sealed by dustproof and waterproof
Moisture content effectively inside detection ultralow temperature rotary joint, and allow staff that can effectively know ultralow temperature by feedback
The leakproofness of rotary joint, to judge that dustproof and waterproof sealing whether in normal operating conditions, solves in the prior art
The working condition of dustproof and waterproof sealing is difficult to the problem of detecting, and the case where prevent greater loss, improves ultralow temperature rotation
The service life of power sub.
Further, according to one embodiment of the application, wherein the through-hole of the outer ring is connected with plug screw,
The outer surface of the plug screw is connected with plug screw gasket, the plug screw, the dustproof and waterproof sealing inspection close to the position of upper end
Leakage device is fixed on the outer ring by the plug screw and the plug screw gasket seal.
Further, according to one embodiment of the application, wherein the internal activity of the quiet flange is connected with static seal
Circle, and quiet flange phenyl tetrafluoride pad is connected between quiet flange and outer ring.
Further, according to one embodiment of the application, wherein slot rolling is provided in the cavity, in the slot rolling
Portion's activity chain is connected to steel ball.
Further, according to one embodiment of the application, wherein the dustproof and waterproof sealing includes bearing surface, institute
It states and is provided with notch among bearing surface, the bearing surface is connected between the outer ring and the inner ring.
Further, according to one embodiment of the application, wherein be flexibly connected between the outer ring and the dynamic flange
There is flange phenyl tetrafluoride pad, the upper end outer surface of the dynamic flange is provided with time dynamic sealing close to the position of outer ring, and moves flange
It is internally provided with realizing active sealing.
Further, according to one embodiment of the application, wherein the internal activity of the outer ring is connected with inner ring axis
It holds, and inner-ring bearing is flexibly connected dynamic flange far from a side external surface of quiet flange.
Further, according to one embodiment of the application, wherein run through between the inside and the inner ring of the quiet flange
There is bolt one, the bolt one links together the quiet flange with the inner ring.
Further, according to one embodiment of the application, wherein run through between the inside and the outer ring of the dynamic flange
There is bolt two, the bolt two links together the dynamic flange with the outer ring.
Further, according to one embodiment of the application, wherein the dustproof and waterproof sealing leakage detection apparatus includes: shell
Body, the shell outer end sealing are fixed with lens, and the enclosure interior end is fixed with strainer film, the inside filling of the shell
There is dry colour-changing agent, the dry colour-changing agent passes through the cavity described in strainer film contacts between inner ring and the outer ring.
The sealing for guaranteeing cavity is sealed by setting dustproof and waterproof, and leakage detection apparatus setting, energy are sealed by dustproof and waterproof
Moisture content effectively inside detection ultralow temperature rotary joint, and colour-changing agent is dried by lens feedback and allows staff can be with
Effectively the leakproofness of ultralow temperature rotary joint is known, to judge that dustproof and waterproof sealing whether in normal operating conditions, solves
The working condition of dustproof and waterproof sealing in the prior art is difficult to the problem of detecting, and the case where prevent greater loss,
Improve the service life of ultralow temperature rotary power connector；The design separated by using inner-ring bearing with inner ring, ensure that inner-ring bearing
Identical high-strength material can be selected with outer ring, and inner-ring bearing and outer ring in ultralow temperature is made to have identical low temperature shape
Become, guarantee the precision of slot rolling, avoid in the market other products when low temperature the difference of Internal and external cycle deformation due to wear slot rolling and cause
Problem under service life；It is close by static sealing ring by the way that dustproof and waterproof sealing, secondary dynamic sealing, realizing active sealing sealing cavity is arranged
Quiet flange and inner ring joint gap are sealed, inner ring and dynamic flanged joint gap are sealed by realizing active sealing, make the waterproof of whole device
Dust-proof effect improves, and enhances ultralow temperature rotary joint service life.
Detailed description of the invention
The application is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the embodiment of the present application ultralow temperature rotary joint structure schematic diagram.
Fig. 2 is the application dustproof and waterproof sealing leakage detection apparatus figure.
In attached drawing
1, quiet flange 2, static sealing ring 3, quiet flange phenyl tetrafluoride pad
4, dustproof and waterproof seals 5, inner ring 6, outer ring
7, inner-ring bearing 8, plug screw 9, plug screw gasket
10, steel ball 11, dynamic flange phenyl tetrafluoride pad 12, secondary dynamic sealing
13, realizing active sealing 14, dynamic flange 151, bolt one
152, bolt 2 16, dustproof and waterproof seal leakage detection apparatus 17, shell
18, dry colour-changing agent 19, lens 20, strainer film
Specific embodiment
The purpose of the present invention, technical solution are clearly and completely described and advantage is more clearly understood in order to make, with
The embodiment of the present invention is further elaborated in lower combination attached drawing.It should be appreciated that specific embodiment described herein is
A part of the embodiment of the present invention is only used to explain the embodiment of the present invention instead of all the embodiments, is not used to limit this
Inventive embodiments, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", " in " "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "inner", "outside", "top", "bottom", " side ", "vertical", "horizontal" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.This
Outside, term " one ", " first ", " second ", " third ", " the 4th ", " the 5th ", " the 6th " are used for description purposes only, and cannot manage
Solution is indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
For concise and explanation purpose, the principle of embodiment is described by referring mainly to example.In the following description,
Many details are suggested to provide a thorough understanding of embodiments.It will however be evident that.For ordinary skill
Personnel, these embodiments can be not limited to these details in practice.In some instances, it does not describe in detail known
Method and structure, to avoid unnecessarily making these embodiments become difficult to understand.In addition, all embodiments can be combined with each other
It uses.
As shown in Figure 1, this application discloses a kind of ultralow temperature rotary joint, including quiet flange 1, the one of the quiet flange 1
Side surface is flexibly connected outer ring 6, and the internal activity of the outer ring 6 is connected with plug screw 8, and the outer surface of the plug screw 8 is close to upper end
Position be connected with plug screw gasket 9, between the quiet flange 1 and outer ring 6 by proximal edge position setting dustproof and waterproof seal 4,
The dustproof and waterproof sealing 4 is PTFE seal pad, that is, polytetrafluoroethylene sealing gasket, and the dustproof and waterproof sealing 4 includes that metal is close
Cover, the metallic sealing section are axial setting, the meaning being axially arranged are as follows: make metallic sealing section be set as with the inner ring 5,
The lateral position of the outer ring 6 is parallel or is overlapped, and the outer ring 6 is set as cascaded surface close to the side of dustproof and waterproof sealing 4,
The shape of the cascaded surface corresponds to the axial setting of the dustproof and waterproof sealing 4 and is arranged, and the dustproof and waterproof sealing 4 is also wrapped
An extension is included, the extension is bonded the gap between 6 cascaded surface of the quiet flange 1 and the outer ring, described dust-proof anti-
Water-stop 4 further includes bearing surface, is provided with notch among the bearing surface, and the bearing surface is connected to the outer ring (6) and described
Between inner ring (5), the bearing surface is elastic surface, and when the outer ring (6) is installed, the bearing surface is connected to outer ring (6) and inner ring
(5) it is compressed when into notch, seals up the gap between cascaded surface, realize preferably sealing；The side of the quiet flange 1 is close
Internal position is flexibly connected inner ring 5, and the internal activity of quiet flange 1 connects static sealing ring 2, movable between quiet flange 1 and outer ring 6
Quiet flange phenyl tetrafluoride pad 3 is connected, slot rolling is offered between inner ring 5 and outer ring 6, the slot rolling is internally connected with inner-ring bearing 7, institute
It states and is connected with steel ball 10 between inner-ring bearing 7 and the outer ring 6, the steel ball 10 is packed into from the mounting hole of plug screw 8, outer ring
Dynamic flange phenyl tetrafluoride pad 11 is flexibly connected between 6 and dynamic flange 14, the upper end outer surface for moving flange 14 is arranged close to the position of outer ring 6
There is secondary dynamic sealing 12, the dynamic flange 14 is internally provided with realizing active sealing 13；Spiral shell is provided between the outer ring 6 and the slot rolling
The through-hole of line, the dustproof and waterproof leak hunting aperture is connected to the outer ring 6 and the outside is provided with dustproof and waterproof and stops leakage in the roof device 16, institute
It states dustproof and waterproof leakage detection apparatus 16 and connects the outer ring 6 and the slot rolling, the dustproof and waterproof sealing leakage detection apparatus 16 passes through spiral shell
Plug 8 and plug screw gasket 9 are fixed between 2 slot rollings of outer ring 6 and open on threaded through-hole, the dustproof and waterproof leakage detection apparatus 16
Specific setting 3, certainly, number of openings are that the dustproof and waterproof that can according to need setting, and respective numbers are arranged is stopped leakage in the roof device
16；Corresponding counterbore is set on the outside of the through-hole, and the counterbore is suitable for the fixed plug screw 8 and plug screw gasket 9, the plug screw
8 and the plug screw gasket 9 be arranged in counterbore, the size for changing counterbore cooperates the plug screw gasket 9 to be arranged, can better seal it is anti-
Dirt waterproof is stopped leakage in the roof device 16, and can prevent plug screw 8 and plug screw gasket 9 from failing because of external impact.
Ultralow temperature rotary joint first part is that quiet flange 1 is linked together with inner ring 5 with bolt 1, static seal
Circle 2 and quiet flange phenyl tetrafluoride pad 3, which are mounted in, plays static seal between quiet flange 1 and inner ring 5, inner-ring bearing 7 is mounted in 5 outer surface of inner ring, the
Two parts are that dynamic flange 14 is linked together with the bolt 2 152 of outer ring 6, move flange phenyl tetrafluoride pad 11 and are mounted in dynamic flange 14 and outer ring 6
Between, 2 slot rollings on inner-ring bearing 7 and 2 slot rollings on outer ring 6 form the raceway of 2 steel balls 10, second part structure with
Equipped with dustproof and waterproof sealing 4, steel ball 10, secondary dynamic sealing 12 and realizing active sealing 13 between first part's structure, by plug screw 8 and plug screw
Gasket 9 blocks loading port and sealing of the steel ball 10 on outer ring 6, and lubrication is to fill ultralow temperature lubricating grease in two slot rollings, really
The lubricating action under the low temperature condition of pole is protected, guarantees the long-life of rotary joint；5 outer end of inner ring and 6 inner end of outer ring and quiet
1 flange face of flange forms sky, and setting dustproof and waterproof seals 4 in cavity, and the metal covering of the dustproof and waterproof sealing 4 is axially arranged,
It is all disposed within the side of inner ring 5 and outer ring 6, it is entirely avoided inner ring 5 caused by needing and put etc. because of production, assembly and maintenance
The abrasion of abrasion and dustproof and waterproof sealing 4 with 6 sealing surface of outer ring.
As shown in Fig. 2, the dustproof and waterproof is stopped leakage in the roof, device 16 includes: 17 outer end of the shell sealing fixation that the centre is emptied
There are lens 19, inside end is fixed with strainer film 20, and the dry colour-changing agent 18, institute are filled in the inside for the shell 17 that centre is emptied
It states dry colour-changing agent 18 and is contacted by strainer film 20 with cryogenic swivel slot rolling, remove the steam in slot rolling, when anti-
Because extraneous steam enters in rotary joint raceway cavity when dirt waterproof sealing 4 fails, dry colour-changing agent 18 can be because adsorbing excessively
Moisture and change colour, color change can be observed easily by lens 19, and operator can be reminded to need replacing dustproof and waterproof sealing
4.The dustproof and waterproof stops leakage in the roof device by plug screw and plug screw gasket seal, then passes through to be threadedly engaged and be fixed on outer ring, can have
Effect prevents stop leakage in the roof device and external contact and dustproof and waterproof of dustproof and waterproof from stopping leakage in the roof the falling off of device.
Another scheme is to arrange that quantity is greater than two slot rolling between inner-ring bearing 7 and outer ring 6, and be booked steel ball 10,
So that rotary joint can bear bigger axially and radially torque, dustproof and waterproof sealing 4, static sealing ring 2, secondary dynamic sealing 12 and master
Dynamic sealing 13 is all made of the setting of V-type spring skeleton 16, and is wrapped up using the tetrafluoride material phenyl tetrafluoride pad 17 with self-lubricating, it is ensured that
The long-life is sealed, by using the design isolated with inner ring 5 of inner-ring bearing 7, it is ensured that phase can be selected in inner-ring bearing 7 and outer ring 6
Same high-strength material, and inner-ring bearing 7 and outer ring 6 in ultralow temperature is made to have identical low temperature deformation, guarantee raceway
Precision avoids other products in the market and wears raceway due to the difference of Internal and external cycle deformation when low temperature and causes asking under the service life
Topic.
Although the illustrative specific embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the range of specific embodiment, to the common skill of the art
For art personnel, as long as long as various change the attached claims limit and determine spirit and scope of the invention in, one
The innovation and creation using present inventive concept are cut in the column of protection.
Claims (10)
1. a kind of ultralow temperature rotary joint, comprising:
Quiet flange (1)；
The side of outer ring (6), the quiet flange (1) is flexibly connected the outer ring (6)；
The side of inner ring (5), the quiet flange (1) is also flexibly connected the inner ring (5), the inner ring (5) and the outer ring (6)
Between there is cavity, the cavity is connected to the quiet flange (1) and outer ring (6), the quiet flange (1) and the inner ring (5), institute
State inner ring (5) and the outer ring (6)；
Dynamic flange (14), the dynamic flange (14) are arranged in the side of the outer ring (6) and the inner ring (5), the quiet flange
(1) dustproof and waterproof sealing (4) is provided between outer ring (6), the dustproof and waterproof sealing (4) is suitable for sealing the quiet flange
(1) cavity clearance between the outer ring (6)；
Dustproof and waterproof seals leakage detection apparatus (16), and dustproof and waterproof sealing leakage detection apparatus (16) is arranged in the outer ring (6)
In through-hole, which is connected to the cavity, and dustproof and waterproof seals leakage detection apparatus (16) and is suitable for detection rotary joint internal steam
Content.
2. ultralow temperature rotary joint device according to claim 1, wherein the through-hole of the outer ring (6) is flexibly connected
Having plug screw (8), the outer surface of the plug screw (8) is connected with plug screw gasket (9) close to the position of upper end, the plug screw (8),
Dustproof and waterproof sealing leakage detection apparatus (16) is fixed on described outer by the plug screw (8) and the plug screw gasket (9) sealing
It encloses on (6).
3. ultralow temperature rotary joint device according to claim 1, wherein the internal activity of the quiet flange (1) connects
Have static sealing ring (2), and is connected with quiet flange phenyl tetrafluoride pad (3) between quiet flange (1) and outer ring (6).
4. ultralow temperature rotary joint device according to claim 1, wherein be provided with slot rolling, the rolling in the cavity
Slot internal activity chain is connected to steel ball (10).
5. ultralow temperature rotary joint device according to claim 1, wherein the dustproof and waterproof sealing (4) includes abutting
Face is provided with notch among the bearing surface, and the bearing surface is connected between the outer ring (6) and the inner ring (5).
6. ultralow temperature rotary joint device according to claim 1, wherein the outer ring (6) and the dynamic flange (14)
Between be connected with dynamic flange phenyl tetrafluoride pad (11), the upper end outer surface of the dynamic flange (14) is set close to the position of outer ring (6)
It is equipped with time dynamic sealing (12), and dynamic flange (14) are internally provided with realizing active sealing (13).
7. ultralow temperature rotary joint device according to claim 1, wherein the internal activity of the outer ring (6) is connected with
Inner-ring bearing (7), and inner-ring bearing (7) is flexibly connected dynamic flange (14) far from a side external surface of quiet flange (1).
8. ultralow temperature rotary joint device according to claim 1, wherein the inside of the quiet flange (1) with it is described interior
Through there is bolt one (151) between circle (5), the quiet flange (1) and the inner ring (5) are connected to one by the bolt one (151)
It rises.
9. ultralow temperature rotary joint device according to claim 1, wherein the inside of the dynamic flange (14) and described outer
Through there is bolt two (152) between circle (6), the dynamic flange (14) and the outer ring (6) are connected to one by the bolt two (152)
It rises.
10. ultralow temperature rotary joint device according to claim 1, wherein the dustproof and waterproof seals leakage detection apparatus packet
Include: shell (17), shell (17) the outer end sealing are fixed with lens (19), and it is thin that shell (17) inside end is fixed with strainer
The inside of film (20), the shell (17) is filled with dry colour-changing agent (18), and the dry colour-changing agent (18) passes through strainer film
(20) cavity between the inner ring (5) and the outer ring (6) is contacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910729146.2A CN110360397B (en) | 2019-08-08 | 2019-08-08 | Ultralow temperature rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910729146.2A CN110360397B (en) | 2019-08-08 | 2019-08-08 | Ultralow temperature rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110360397A true CN110360397A (en) | 2019-10-22 |
| CN110360397B CN110360397B (en) | 2024-03-08 |
Family
ID=68223367
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910729146.2A Active CN110360397B (en) | 2019-08-08 | 2019-08-08 | Ultralow temperature rotary joint |
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| Country | Link |
|---|---|
| CN (1) | CN110360397B (en) |
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| CN106641522A (en) * | 2016-10-31 | 2017-05-10 | 武汉船用机械有限责任公司 | Rotary joint for single-point mooring system |
| KR101781957B1 (en) * | 2016-11-29 | 2017-10-23 | 제일기술산업(주) | Swivel joint for extremely low temperature with easy maintenance |
| CN207178992U (en) * | 2017-08-12 | 2018-04-03 | 连云港市拓普科技发展有限公司 | A kind of special swivel joint of corrosive fluid |
| CN109958829A (en) * | 2019-04-01 | 2019-07-02 | 苏州瀚隆石化装备有限公司 | A kind of novel ultralow temperature rotary joint |
| CN210510643U (en) * | 2019-08-08 | 2020-05-12 | 苏州瀚隆石化装备有限公司 | Ultralow temperature rotary joint |
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| CN110360397B (en) | 2024-03-08 |
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