CN110360397B - Ultralow temperature rotary joint - Google Patents
Ultralow temperature rotary joint Download PDFInfo
- Publication number
- CN110360397B CN110360397B CN201910729146.2A CN201910729146A CN110360397B CN 110360397 B CN110360397 B CN 110360397B CN 201910729146 A CN201910729146 A CN 201910729146A CN 110360397 B CN110360397 B CN 110360397B
- Authority
- CN
- China
- Prior art keywords
- outer ring
- flange
- dustproof
- static
- rotary joint
- 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.)
- Active
Links
- 230000003068 static effect Effects 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The application discloses ultralow temperature rotary joint relates to the rotary joint field, includes: a static flange; an outer ring, wherein one side of the static flange is movably connected with the outer ring; the inner ring is also movably connected with one side of the static flange, a cavity is formed between the inner ring and the outer ring, and the cavity is communicated with the static flange and the outer ring, the static flange and the inner ring, and the inner ring and the outer ring; the movable flange is arranged on one side of the outer ring and one side of the inner ring, a dustproof and waterproof seal is arranged between the static flange and the outer ring, and the dustproof and waterproof seal is suitable for sealing a cavity gap between the static flange and the outer ring; dustproof and waterproof seals leak hunting device, dustproof and waterproof seals leak hunting device sets up in the through-hole of outer lane, this through-hole intercommunication the cavity detects the vapor content in the rotary joint through dustproof and waterproof seals leak hunting device, can know whether dustproof and waterproof seals effectively fast, and is convenient, effective.
Description
Technical Field
The application relates to the field of rotary joints, in particular to an ultralow-temperature rotary joint.
Background
The ultra-low temperature loading arm and the ultra-low temperature ship loading arm are industrial products developed in recent years in China, and are mainly used for loading and unloading ultra-low temperature fluid in chemical industry and petrochemical industry, and the technical core component of the ultra-low temperature loading arm and the ultra-low temperature ship loading arm is a rotary joint. The rotary joint in the prior art has the following defects that the inner ring and the outer ring are all independent entities, and can generate different deformations under the ultralow temperature condition due to different temperature transmission, so that the inner part is worn, and the inner structure and the sealing are damaged. In the prior art, the dustproof and waterproof seal is also called a nitrogen seal and is designed into an end face plug seal, and the metal sealing surface is radially arranged, so that the metal sealing surface is easy to wear in the production process and during installation and maintenance; and once the dustproof and waterproof seal leaks and fails due to abrasion and other reasons, accumulated water vapor in the rotary joint can fail other sealing components continuously, so that the whole rotary joint fails.
Disclosure of Invention
This application purpose is in case reveal inefficacy because of reasons such as wearing and tearing in solving prior art dustproof waterproof seal, and rotary joint inside can constantly accumulate steam and can other sealing member inefficacy, and then makes the problem of whole rotary joint inefficacy.
In order to achieve the above purpose, the present application adopts the following technical scheme: an ultra-low temperature rotary joint comprising: a static flange; an outer ring, one side of the static flange is movably connected with the outer ring; the inner ring is also movably connected with one side of the static flange, a cavity is formed between the inner ring and the outer ring, and the cavity is communicated with the static flange and the outer ring, the static flange and the inner ring, and the inner ring and the outer ring; the movable flange is arranged on one side of the outer ring and the inner ring, and a dustproof and waterproof seal is arranged between the static flange and the outer ring and is suitable for sealing a cavity gap between the static flange and the outer ring; the dustproof and waterproof sealing leakage detection device is arranged in a through hole of the outer ring, the through hole is communicated with the cavity, and the dustproof and waterproof sealing leakage detection device is suitable for detecting the water vapor content in the rotary joint;
through setting up the sealed sealing of dustproof and waterproof sealed assurance cavity, through dustproof and waterproof sealed leak hunting device setting, it can effectively detect the inside steam content of ultralow temperature rotary joint to let the staff effectively know ultralow temperature rotary joint's leakproofness through the feedback, thereby judge whether dustproof and waterproof sealed is in normal operating condition, the problem that dustproof and waterproof sealed operating condition in the prior art is difficult to detect has been solved, and the circumstances of preventing great loss appear, improve ultralow temperature rotary power joint's life-span.
Further, according to an embodiment of the present application, the through hole of the outer ring is movably connected with a screw plug, a screw plug gasket is movably connected to a position, close to the upper end, of the outer surface of the screw plug, and the dustproof and waterproof sealing leakage detecting device is fixed on the outer ring in a sealing manner through the screw plug and the screw plug gasket.
Further, according to an embodiment of the present application, a static sealing ring is movably connected to the inside of the static flange, and a static flange tetrafluoro pad is movably connected between the static flange and the outer ring.
Further, according to an embodiment of the present application, a rolling groove is disposed in the cavity, and a steel ball is movably linked in the rolling groove.
Still further in accordance with an embodiment of the present application, the dust-proof and water-proof seal includes an abutment surface, a notch is opened in the middle of the abutment surface, and the abutment surface abuts between the outer ring and the inner ring.
Further, according to an embodiment of the present application, a movable flange tetrafluoro pad is movably connected between the outer ring and the movable flange, a secondary movable seal is provided at a position, close to the outer ring, of the outer surface of the upper end of the movable flange, and an active seal is provided inside the movable flange.
Further, according to an embodiment of the present application, an inner ring bearing is movably connected to the inner portion of the outer ring, and a movable flange is movably connected to an outer surface of a side, away from the stationary flange, of the inner ring bearing.
Further, according to an embodiment of the present application, a first bolt penetrates between the inner part of the static flange and the inner ring, and the first bolt connects the static flange and the inner ring together.
Further, according to an embodiment of the present application, a second bolt penetrates between the inner part of the movable flange and the outer ring, and the second bolt connects the movable flange and the outer ring together.
Further, according to an embodiment of the present application, wherein the dust-proof and water-proof seal leakage detecting device includes: the lens is fixed on the outer end of the shell in a sealing way, a filter screen film is fixed on the inner end of the shell, a dry color-changing agent is filled in the shell, and the dry color-changing agent contacts a cavity between the inner ring and the outer ring through the filter screen film.
The dustproof and waterproof sealing is arranged to ensure the sealing of the cavity, the dustproof and waterproof sealing leakage detection device is arranged to effectively detect the water vapor content in the ultralow temperature rotary joint, and staff can effectively know the sealing property of the ultralow temperature rotary joint through lens feedback of the dry color-changing agent, so that whether the dustproof and waterproof sealing is in a normal working state is judged, the problem that the working state of the dustproof and waterproof sealing in the prior art is difficult to detect is solved, the condition of large loss is prevented, and the service life of the ultralow temperature rotary power joint is prolonged; by adopting the design that the inner ring bearing is separated from the inner ring, the inner ring bearing and the outer ring can be made of the same high-strength material, the inner ring bearing and the outer ring can deform at the same low temperature under the ultralow temperature condition, the precision of the rolling groove is ensured, and the problem that other products in the market wear the rolling groove due to different deformation of the inner ring and the outer ring at the low temperature to cause the service life to be lower is avoided; through setting up dustproof and waterproof seal, inferior dynamic seal, initiative sealed cavity, through quiet sealing washer seal quiet flange and inner circle connection clearance, through initiative sealed inner circle and dynamic flange connection clearance, make the waterproof dustproof effect of whole device improve, reinforcing ultralow temperature rotary joint life.
Drawings
The present application is further described below with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an ultralow temperature rotary joint according to an embodiment of the present application.
Fig. 2 is a diagram of a dust-proof and water-proof seal leak detection device of the present application.
In the accompanying drawings
1. Static flange 2, static sealing ring 3 and static flange tetrafluoro pad
4. Dustproof and waterproof seal 5, inner ring 6 and outer ring
7. Inner ring bearing 8, screw plug 9 and screw plug gasket
10. Steel ball 11, movable flange tetrafluoro pad 12, secondary dynamic seal
13. Active seal 14, moving flange 151, bolt one
152. Bolt II 16, dustproof and waterproof sealing leakage detecting device 17 and shell
18. Dry color changing agent 19, lens 20, filter screen film
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. However, it is apparent that. It will be apparent to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
As shown in fig. 1, the application discloses ultra-low temperature rotary joint, including quiet flange 1, one side surface swing joint outer lane 6 of quiet flange 1, the inside swing joint of outer lane 6 has plug 8, the position that the surface of plug 8 is close to the upper end is connected with plug gasket 9, be close to the position at edge between quiet flange 1 and the outer lane 6 and set up dustproof waterproof seal 4, dustproof waterproof seal 4 is PTFE sealed pad, polytetrafluoroethylene sealed pad, dustproof waterproof seal 4 is including the metal seal face, the metal seal face is the axial setting, and the axial setting means: the metal sealing surface is arranged to be parallel to or coincide with the side surfaces of the inner ring 5 and the outer ring 6, one side of the outer ring 6, which is close to the dustproof and waterproof seal 4, is arranged to be a stepped surface, the shape of the stepped surface is arranged corresponding to the axial arrangement of the dustproof and waterproof seal 4, the dustproof and waterproof seal 4 further comprises an extension part, the extension part is attached to a gap between the stationary flange 1 and the stepped surface of the outer ring 6, the dustproof and waterproof seal 4 further comprises an abutting surface, a notch is formed in the middle of the abutting surface, the abutting surface abuts between the outer ring (6) and the inner ring (5), the abutting surface is an elastic surface, and when the outer ring (6) is installed, the abutting surface abuts against the outer ring (6) and the inner ring (5), the abutting surface is compressed into the notch to seal the gap between the stepped surfaces, so that good sealing is realized; the inner ring 5 is movably connected to one side of the static flange 1 close to the inner part, the static seal ring 2 is movably connected to the inner part of the static flange 1, the static flange tetrafluoro pad 3 is movably connected between the static flange 1 and the outer ring 6, a rolling groove is formed between the inner ring 5 and the outer ring 6, an inner ring bearing 7 is connected to the inner part of the rolling groove, a steel ball 10 is movably connected between the inner ring bearing 7 and the outer ring 6, the steel ball 10 is installed from an installation hole of the screw plug 8, the movable flange tetrafluoro pad 11 is movably connected between the outer ring 6 and the movable flange 14, the secondary movable seal 12 is arranged on the outer surface of the upper end of the movable flange 14 close to the outer ring 6, and the active seal 13 is arranged inside the movable flange 14; the dustproof and waterproof leakage detection device 16 is connected with the outer ring 6 and the rolling grooves, the dustproof and waterproof sealing leakage detection device 16 is fixed on the threaded through holes between 2 rolling grooves of the outer ring 6 through a screw plug 8 and a screw plug gasket 9, 3 dustproof and waterproof leakage detection devices 16 are specifically arranged, and of course, the number of the through holes can be set according to the needs, and the corresponding number of dustproof and waterproof leakage detection devices 16 are arranged; corresponding counter bores are formed in the outer sides of the through holes, the counter bores are suitable for fixing the screw plugs 8 and the screw plug gaskets 9, the screw plugs 8 and the screw plug gaskets 9 are arranged in the counter bores, the size of the counter bores is changed to match with that of the screw plug gaskets 9, the dustproof and waterproof leakage detection device 16 can be sealed better, and the screw plugs 8 and the screw plug gaskets 9 can be prevented from failing due to external collision.
The first part of the ultralow temperature rotary joint is that a static flange 1 and an inner ring 5 are connected into a whole by a first bolt 151, a static sealing ring 2 and a static flange tetrafluoro pad 3 are arranged between the static flange 1 and the inner ring 5 to play a static sealing role, an inner ring bearing 7 is arranged on the outer surface of the inner ring 5, a movable flange 14 and an outer ring 6 are connected into a whole by a second bolt 152, a movable flange tetrafluoro pad 11 is arranged between the movable flange 14 and the outer ring 6, 2 rolling grooves on the inner ring bearing 7 and 2 rolling grooves on the outer ring 6 form a rolling way of 2 steel balls 10, a dustproof and waterproof sealing 4, the steel balls 10, a secondary dynamic sealing 12 and an active sealing 13 are arranged between the second part structure and the first part structure, a filling opening of the steel balls 10 on the outer ring 6 is blocked and sealed by a screw plug 8 and a screw plug gasket 9, and the ultralow temperature lubricating grease is filled in the two rolling grooves to ensure the lubrication effect under the ultralow temperature condition, and the long service life of the rotary joint is ensured; the outer end of the inner ring 5, the inner end of the outer ring 6 and the flange surface of the static flange 1 form a hollow space, a dustproof and waterproof seal 4 is arranged in the hollow space, the metal surfaces of the dustproof and waterproof seal 4 are axially arranged and are arranged on the side surfaces of the inner ring 5 and the outer ring 6, and abrasion of sealing surfaces of the inner ring 5 and the outer ring 6 and abrasion of the dustproof and waterproof seal 4 caused by production, assembly, maintenance, placement and the like are completely avoided.
As shown in fig. 2, the dustproof and waterproof leakage detecting device 16 includes: the outer end of the shell 17 with the middle hollowed out is sealed and fixed with a lens 19, the inner end of the shell 17 with the middle hollowed out is fixed with a filter screen film 20, the interior of the shell 17 with the middle hollowed out is filled with the dry color-changing agent 18, the dry color-changing agent 18 is contacted with a rolling groove of a low-temperature rotary joint through the filter screen film 20, water vapor in the rolling groove is removed, when the dustproof and waterproof seal 4 fails, the water vapor enters the rolling groove cavity of the rotary joint due to external water vapor, the dry color-changing agent 18 changes color due to excessive water absorption, the color change can be easily observed through the lens 19, and operators can be reminded of changing the dustproof and waterproof seal 4. The dustproof and waterproof leakage detection device is sealed through the screw plug and the screw plug gasket and is fixed on the outer ring through threaded fit, so that the dustproof and waterproof leakage detection device can be effectively prevented from being contacted with the outside and falling off.
The other scheme is that rolling grooves with the number larger than two are arranged between an inner ring bearing 7 and an outer ring 6, steel balls 10 are filled side by side, so that the rotary joint can bear larger axial and radial moment, a dustproof and waterproof seal 4, a static seal ring 2, a secondary dynamic seal 12 and an active seal 13 are all arranged by adopting a V-shaped spring framework 16, and are wrapped by adopting a tetrafluoro material tetrafluoro pad 17 with self lubrication, so that the sealing service life is ensured, the inner ring bearing 7 and the outer ring 6 can be ensured to be made of the same high-strength material by adopting a design that the inner ring bearing 7 is separated from the inner ring 5, the inner ring bearing 7 and the outer ring 6 can be enabled to have the same low-temperature deformation under the ultralow temperature condition, the precision of the rolling grooves is ensured, and the problem that other products in the market are worn out due to the difference of the deformation of the inner ring and the outer ring in the market, so that the service life is low is avoided.
While the foregoing describes the illustrative embodiments of the present invention so that those skilled in the art may understand the present invention, the present invention is not limited to the specific embodiments, and all inventive innovations utilizing the inventive concepts are herein within the scope of the present invention as defined and defined by the appended claims, as long as the various changes are within the spirit and scope of the present invention.
Claims (8)
1. An ultra-low temperature rotary joint, comprising:
a static flange (1);
an outer ring (6), wherein one side of the static flange (1) is movably connected with the outer ring (6);
the inner ring (5) is also movably connected with one side of the static flange (1), a cavity is formed between the inner ring (5) and the outer ring (6), and the cavity is communicated with the static flange (1) and the outer ring (6), the static flange (1) and the inner ring (5), and the inner ring (5) and the outer ring (6);
a movable flange (14), wherein the movable flange (14) is arranged on one side of the outer ring (6) and the inner ring (5), a dustproof and waterproof seal (4) is arranged between the static flange (1) and the outer ring (6), and the dustproof and waterproof seal (4) is suitable for sealing a cavity gap between the static flange (1) and the outer ring (6);
the dustproof and waterproof sealing leakage detection device (16), the dustproof and waterproof sealing leakage detection device (16) is arranged in a through hole of the outer ring (6), the through hole is communicated with the cavity, and the dustproof and waterproof sealing leakage detection device (16) is suitable for detecting the water vapor content in the rotary joint;
the through hole of the outer ring (6) is movably connected with a screw plug (8), a screw plug gasket (9) is movably connected to the position, close to the upper end, of the outer surface of the screw plug (8), and the screw plug (8) is provided with the dustproof and waterproof sealing leakage detection device (16) which is fixed on the outer ring (6) in a sealing way through the screw plug (8) and the screw plug gasket (9);
the dustproof and waterproof sealing leak hunting device includes: the casing (17), casing (17) outer end is sealed to be fixed with lens (19), casing (17) inside end is fixed with filter screen film (20), the inside of casing (17) is filled with dry color changing agent (18), dry color changing agent (18) pass through filter screen film (20) contact inner circle (5) with cavity between outer lane (6).
2. The ultralow temperature rotary joint according to claim 1, wherein a static sealing ring (2) is movably connected inside the static flange (1), and a static flange tetrafluoro pad (3) is movably connected between the static flange (1) and the outer ring (6).
3. The ultra-low temperature rotary joint according to claim 1, wherein a rolling groove is arranged in the cavity, and a steel ball (10) is movably connected in the rolling groove.
4. The cryogenic rotary joint according to claim 1, wherein the dust and water proof seal (4) comprises an abutment surface, a notch being opened in the middle of the abutment surface, the abutment surface being in abutment between the outer ring (6) and the inner ring (5).
5. The ultralow temperature rotary joint according to claim 1, wherein a movable flange tetrafluoro pad (11) is movably connected between the outer ring (6) and the movable flange (14), a secondary movable seal (12) is arranged at a position, close to the outer ring (6), of the outer surface of the upper end of the movable flange (14), and an active seal (13) is arranged inside the movable flange (14).
6. The ultralow temperature rotary joint according to claim 1, wherein an inner ring bearing (7) is movably connected to the inside of the outer ring (6), and a movable flange (14) is movably connected to the outer surface of one side of the inner ring bearing (7) away from the static flange (1).
7. The ultralow temperature rotary joint according to claim 1, wherein a first bolt (151) penetrates through the inner part of the static flange (1) and the inner ring (5), and the first bolt (151) connects the static flange (1) and the inner ring (5) together.
8. The ultralow temperature rotary joint according to claim 1, wherein a second bolt (152) penetrates between the inner part of the movable flange (14) and the outer ring (6), and the second bolt (152) connects the movable flange (14) and the outer ring (6) together.
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 CN110360397A (en) | 2019-10-22 |
| CN110360397B true CN110360397B (en) | 2024-03-08 |
Family
ID=68223367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910729146.2A Active CN110360397B (en) | 2019-08-08 | 2019-08-08 | Ultralow temperature rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360397B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3324630A1 (en) * | 1983-07-08 | 1985-01-24 | Connex Verladeanlagen GmbH + Co. KG, 4618 Kamen | Rotating pipe joint |
| JP2004028164A (en) * | 2002-06-24 | 2004-01-29 | Rix Corp | Rotary joint |
| CN202501132U (en) * | 2012-03-02 | 2012-10-24 | 江苏德威机械设备有限公司 | Low-temperature rotary joint used for fluid delivery |
| CN102927388A (en) * | 2012-11-19 | 2013-02-13 | 江苏长隆石化装备有限公司 | Low-temperature swivel joint |
| CN103629459A (en) * | 2013-12-16 | 2014-03-12 | 羊宸机械（上海）有限公司 | Axially sealed vacuum insulation ultralow-temperature rotating joint |
| CN104344124A (en) * | 2014-09-28 | 2015-02-11 | 陈建平 | Rotating joint for liquid loading/unloading arm |
| KR20160064812A (en) * | 2014-11-28 | 2016-06-08 | (주)로커스 | Swivel joint for cryogenic loading arm |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
| 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 |
-
2019
- 2019-08-08 CN CN201910729146.2A patent/CN110360397B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3324630A1 (en) * | 1983-07-08 | 1985-01-24 | Connex Verladeanlagen GmbH + Co. KG, 4618 Kamen | Rotating pipe joint |
| JP2004028164A (en) * | 2002-06-24 | 2004-01-29 | Rix Corp | Rotary joint |
| CN202501132U (en) * | 2012-03-02 | 2012-10-24 | 江苏德威机械设备有限公司 | Low-temperature rotary joint used for fluid delivery |
| CN102927388A (en) * | 2012-11-19 | 2013-02-13 | 江苏长隆石化装备有限公司 | Low-temperature swivel joint |
| CN103629459A (en) * | 2013-12-16 | 2014-03-12 | 羊宸机械（上海）有限公司 | Axially sealed vacuum insulation ultralow-temperature rotating joint |
| CN104344124A (en) * | 2014-09-28 | 2015-02-11 | 陈建平 | Rotating joint for liquid loading/unloading arm |
| KR20160064812A (en) * | 2014-11-28 | 2016-06-08 | (주)로커스 | Swivel joint for cryogenic loading arm |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110360397A (en) | 2019-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20160027092A (en) | Radial shaft seal | |
| CN102900755A (en) | Dust preventing and sealing effect enhancing oil-free lubrication rolling bearing and manufacturing method for rolling shaft | |
| CN210510643U (en) | Ultralow temperature rotary joint | |
| CN110360397B (en) | Ultralow temperature rotary joint | |
| CN114935261A (en) | Rotary kiln sealing structure and sealing adjusting method | |
| CN204716753U (en) | With the sealing cylinder roller bearing of mounting flange | |
| CN204099424U (en) | The Biserial cylindrical roller bearing of band sealing | |
| CN203948290U (en) | Mechanical seal device | |
| CN209781954U (en) | Novel ultralow-temperature rotary joint | |
| CN211820745U (en) | Precision machinery rotating sealing device | |
| CN211738029U (en) | Sealing device for kettle combining carbon ring and dry-running mechanical seal | |
| CN209164588U (en) | Centrifugal pump oil mist sealing structure | |
| CN102278474A (en) | Contact type dynamic sealing method and dynamic sealing device of dishing sealing ring | |
| CN221033957U (en) | Double-material double-sealing structure oil seal | |
| CN209354644U (en) | A kind of roller stick sealing mechanism and roller stick sealing system | |
| CN112922924A (en) | End cover structure capable of measuring sealing performance and hydraulic cylinder using same | |
| CN205779877U (en) | A kind of rotary dynamic sealing device | |
| CN216200519U (en) | External sealing type floating oil seal for chain wheel assembly | |
| CN220816548U (en) | Dynamic ring internal mechanical oil seal | |
| CN215634978U (en) | Combined oil seal | |
| CN217055793U (en) | Oil leakage analysis and improvement device for oil cylinder of wrecker | |
| CN105317846B (en) | Floating sealing | |
| CN215720265U (en) | Sealed rolling bearing for generator | |
| CN220706018U (en) | Sealing structure for sewage pump and sewage pump comprising sealing structure | |
| CN220134431U (en) | Plastic bearing with good sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |