CN110005887B - Detachable anti-freezing low-temperature fluid rotary joint - Google Patents
Detachable anti-freezing low-temperature fluid rotary joint Download PDFInfo
- Publication number
- CN110005887B CN110005887B CN201910363130.4A CN201910363130A CN110005887B CN 110005887 B CN110005887 B CN 110005887B CN 201910363130 A CN201910363130 A CN 201910363130A CN 110005887 B CN110005887 B CN 110005887B
- Authority
- CN
- China
- Prior art keywords
- rotary
- sealing
- face
- pipe shaft
- flange
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 40
- 238000007710 freezing Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 119
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 108010053481 Antifreeze Proteins Proteins 0.000 claims description 7
- 230000002528 anti-freeze Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000010926 purge Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 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
- F16L27/087—Joints with radial fluid passages
Abstract
The invention belongs to the field of low-temperature fluid equipment, and particularly relates to a detachable anti-freezing low-temperature fluid rotary joint. The technical proposal is as follows: the rotary pipe shaft sealing device comprises an end face sealing connecting flange, an outer sleeve, a rotary sealing positioning flange, a rotary pipe shaft sealing disc and a radial bearing, wherein the end face sealing connecting flange and the rotary sealing positioning flange are respectively and detachably connected to the upper end and the lower end of the outer sleeve; the rotary tube shaft sealing disc is detachably connected to the upper end of the rotary tube shaft; radial bearings are arranged between the rotary pipe shaft and the outer sleeve, the end face sealing connecting flange, the outer sleeve, the rotary sealing positioning flange, the rotary pipe shaft and the rotary pipe shaft sealing disk are in sealing with the end face sealing of the outer sleeve, the rotary sealing of the pipe shaft, the end face sealing of the rotary pipe shaft, the ring sealing ring, the rotary sealing in the end face and the rotary sealing outside the end face form a sealing cavity, and the radial bearings are arranged in the sealing cavity to prevent air with water vapor from contacting with the rolling bodies so as to prevent freezing. The invention adopts a bearing structure, has small rotation resistance and long service life.
Description
Technical Field
The invention belongs to the field of low-temperature fluid equipment, and particularly relates to a detachable anti-freezing low-temperature fluid rotary joint.
Background
The low-temperature fluid rotary joint is a key component for manufacturing a low-temperature fluid loading arm such as liquid nitrogen, liquid oxygen, liquefied natural gas and the like, is used for connecting a pipeline and an elbow, and can rotate through low-temperature fluid without leakage and freezing. However, the existing cryogenic fluid rotary joint has the following common defects: in order to prevent the raceway steel balls from freezing, nitrogen is required to be used for continuously purging the rolling body part in the rotary joint during the working of the low-temperature rotary joint, nitrogen supply equipment and a pipeline system are required to be equipped, so that the investment cost of the equipment is increased, and nitrogen is wasted; the ball bearing structure is adopted, so that the rolling resistance is high, the service life is short, and the assembly, disassembly and maintenance are inconvenient; the nitrogen channel is arranged in the low-temperature rotary joint, so that the rotary joint is complex in structure and easy to fail.
Disclosure of Invention
The invention provides a detachable anti-freezing low-temperature fluid rotary joint, all bearings are arranged in a sealing cavity, so that the contact of air with water vapor and rolling bodies is avoided, the freezing is prevented, a nitrogen-free purging system is realized, and nitrogen and supply equipment and pipelines thereof are saved.
The technical scheme of the invention is as follows:
the detachable anti-freezing low-temperature fluid rotary joint comprises an end face sealing connecting flange, an outer sleeve, a rotary sealing positioning flange, a rotary pipe shaft sealing disk and a radial bearing, wherein the end face sealing connecting flange and the rotary sealing positioning flange are respectively detachably connected to the upper end and the lower end of the outer sleeve; the rotary tube shaft sealing disc is detachably connected to the upper end of the rotary tube shaft; radial bearings are arranged between the rotary pipe shaft and the outer sleeve, the end face sealing connecting flange, the outer sleeve, the rotary sealing positioning flange, the rotary pipe shaft and the rotary pipe shaft sealing disk are in sealing with the end face sealing of the outer sleeve, the rotary sealing of the pipe shaft, the end face sealing of the rotary pipe shaft, the ring sealing ring, the rotary sealing in the end face and the rotary sealing outside the end face form a sealing cavity, and the radial bearings are arranged in the sealing cavity to prevent air with water vapor from contacting with the rolling bodies so as to prevent freezing.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that a semicircular clamping ring is coaxially arranged in an annular groove in the middle section of the rotary tube shaft, a semicircular clamping ring positioning sleeve is sleeved outside the semicircular clamping ring, a bearing positioning sleeve is arranged between the end face sealing connecting flange and the outer ring of the radial bearing, and the bearing positioning sleeve is embedded in an inner hole of the outer sleeve.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that a thrust bearing is arranged between the semicircular clamping ring and the rotary sealing positioning flange, a shaft collar of the thrust bearing is sleeved on the rotary pipe shaft, the upper end face of the thrust bearing is limited on the lower end face of the semicircular clamping ring, and a seat ring of the thrust bearing is inlaid in a groove of the upper end face of the rotary sealing positioning flange.
Further, the detachable anti-freezing low-temperature fluid rotary joint comprises at least one group of radial bearings, wherein the radial bearings are arranged between the outer sleeve and the rotary tube shaft, so that the outer sleeve and the rotary tube shaft form rolling connection; the upper end face of the inner ring of the radial bearing positioned at the upper part is limited on the lower end face of the rotary tube shaft sealing disc, the lower end face of the inner ring of the radial bearing positioned at the lower part is limited on the upper end face of the semicircular clamping ring, and the upper end face of the outer ring of the radial bearing positioned at the upper part is limited on the lower end face of the bearing positioning sleeve.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that an annular groove is formed in the upper end face of the rotary tube shaft sealing disc, and a rotary sealing check ring in the end face is arranged in the annular groove.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that an end face inner rotary seal and/or an end face outer rotary seal are arranged between the end face sealing connecting flange and the rotary pipe shaft sealing disk, the end face inner rotary seal is embedded in an inner hole of the end face inner rotary seal retainer ring, and the end face outer rotary seal is embedded in an inner hole of the bearing positioning sleeve.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that at least one pipe shaft rotary seal is coaxially sleeved on the rotary pipe shaft between the rotary pipe shaft and the rotary seal positioning flange; tube shaft rotary sealing pressing rings are arranged in grooves of the upper end face and the lower end face of the rotary sealing positioning flange; the annular groove at the lower end of the rotary seal positioning flange is internally provided with a dust-proof ring frame flange, and an inner hole of the dust-proof ring frame flange is provided with a pipe shaft dust-proof ring.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that the end face sealing connecting flange, the rotary pipe shaft sealing disk and the rotary pipe shaft are respectively provided with a fluid channel center hole which is mutually communicated, and the upper end part of the end face sealing connecting flange and the lower end part of the rotary pipe shaft are respectively provided with a welding interface; the lower end face of the end face sealing connecting flange and the upper end face of the rotary pipe shaft sealing disk are respectively provided with a stepped hole coaxial with the central hole of the rotary pipe shaft sealing disk, and the annular sealing ring is embedded in the stepped holes.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that a jacket end face seal is respectively arranged between the upper end of the jacket and the end face seal connecting flange and between the lower end of the jacket and the rotary seal positioning flange.
Further, the detachable anti-freezing low-temperature fluid rotary joint is characterized in that the end face sealing connecting flange and the rotary sealing positioning flange are respectively connected to two ends of the outer sleeve through a third fastener and a second fastener; the dustproof ring frame flange is connected to the lower end face of the rotary seal positioning flange through a first fastener.
The beneficial effects of the invention are as follows: the detachable anti-freezing low-temperature fluid rotary joint solves the problem that nitrogen is required to purge the rolling bodies for preventing the rolling bodies from freezing in the current low-temperature fluid rotary joint, has no nitrogen purging system, can work in occasions without nitrogen sources, and saves nitrogen, and supply equipment and a pipeline system thereof. The shell of the rotary joint adopts a split structure formed by an outer sleeve and a rotary seal positioning flange, and the pan head rotating shaft adopts a split structure formed by a rotary pipe shaft and a rotary pipe shaft sealing disk, so that the rotary joint is convenient to assemble, disassemble and maintain and is convenient to process and manufacture. The bearing structure is adopted to replace the steel ball pipeline structure, so that the rotation resistance is small and the service life is long.
Drawings
FIG. 1 is a schematic view of a first embodiment of a removable anti-freeze cryogenic fluid swivel;
FIG. 2 is a schematic view of a second embodiment of a removable anti-freeze cryogenic fluid swivel;
FIG. 3 is a schematic structural view of a third embodiment of a removable anti-freeze cryogenic fluid swivel;
FIG. 4 is a schematic structural view of a fourth embodiment of a removable anti-freeze cryogenic fluid swivel;
FIG. 5 is a schematic view of a fifth embodiment of a removable anti-freeze cryogenic fluid swivel;
FIG. 6 is a schematic structural view of a sixth embodiment of a removable anti-freeze cryogenic fluid swivel;
FIG. 7 is a schematic view of an end face seal connection flange;
FIG. 8 is a schematic illustration of a jacket structure;
FIG. 9 is a schematic view of a rotary seal positioning flange;
FIG. 10 is a schematic view of a rotating tube shaft seal disk construction;
FIG. 11 is a schematic view of a rotating tube shaft structure.
Detailed Description
Example 1
As shown in fig. 1, the detachable anti-freezing low-temperature fluid rotary joint comprises an end face sealing connecting flange 22, an outer sleeve 11, a rotary sealing positioning flange 8, a rotary tube shaft 1, a rotary tube shaft sealing disk 15, a radial bearing 14 and a thrust bearing 10, wherein the end face sealing connecting flange 22 and the rotary sealing positioning flange 8 are respectively detachably connected with the upper end and the lower end of the outer sleeve 11; the rotary tube shaft sealing disk 15 is detachably connected to the upper end of the rotary tube shaft; radial bearings 14 are arranged between the rotary pipe shaft 1 and the outer sleeve 11, and the end face sealing connecting flange 22, the outer sleeve 11, the rotary sealing positioning flange 8, the rotary pipe shaft 1, the rotary pipe shaft sealing disk 15 and the outer sleeve end face seal 9, the pipe shaft rotary seal 7, the rotary pipe shaft end face seal 16, the circular ring sealing ring 21, the end face inner rotary seal 20 and the end face outer rotary seal 18 between the two form a sealing cavity, and all bearings are arranged in the sealing cavity to prevent air with water vapor from contacting with rolling bodies so as to prevent freezing.
A semicircular clamping ring 12 is coaxially arranged in an annular groove in the middle section of the rotary tube shaft 1, a semicircular clamping ring positioning sleeve 13 is sleeved outside the semicircular clamping ring 12, a bearing positioning sleeve 17 is arranged between an end face sealing connecting flange 22 and the outer ring of the radial bearing 14, and the bearing positioning sleeve 17 is inlaid in an inner hole of the outer sleeve 11.
The number of the radial bearings 14 is three, and the radial bearings 14 are arranged between the outer sleeve 11 and the rotary tube shaft 1, so that the outer sleeve 11 and the rotary tube shaft 1 form rolling connection; the upper end face of the inner ring of the upper radial bearing 14 is limited on the lower end face of the rotary tube shaft sealing disc 15, the lower end face of the inner ring of the lower radial bearing 14 is limited on the upper end face of the semicircular clamping ring 12, and the upper end face of the outer ring of the upper radial bearing 14 is limited on the lower end face of the bearing positioning sleeve 17.
A thrust bearing 10 is arranged between the semicircular clamping ring 12 and the rotary sealing positioning flange 8, a shaft collar of the thrust bearing 10 is sleeved on the rotary pipe shaft 1, the upper end face of the thrust bearing is limited on the lower end face of the semicircular clamping ring 12, and a seat ring of the thrust bearing 10 is inlaid in a groove on the upper end face of the rotary sealing positioning flange 8.
An annular groove is formed in the upper end face of the rotary pipe shaft sealing disc 15, and an end face inner rotary sealing check ring 19 is arranged in the annular groove. The end face seal connecting flange 22, the rotary tube shaft sealing disk 15, the bearing positioning sleeve 8 and the end face inner rotary sealing check ring 19 form a combined sealing groove for placing the end face inner rotary seal 20 and the end face outer rotary seal 18;
an end face inner rotary seal 20, an end face outer rotary seal 18 and a circular ring sealing ring 21 are arranged between the end face seal connecting flange 22 and the rotary tube shaft sealing disk 15, the end face inner rotary seal 20 is embedded in an inner hole of the end face inner rotary seal retainer ring 19, and the end face outer rotary seal 18 is embedded in an inner hole of the bearing positioning sleeve 17.
The rotary pipe shaft 1 and the rotary seal positioning flange 8 are coaxially sleeved on the rotary pipe shaft 1 through two pipe shaft rotary seals 7; tube shaft rotary sealing pressing rings 5 are respectively arranged in grooves of the upper end face and the lower end face of the rotary sealing positioning flange 8; the annular groove at the lower end of the rotary seal positioning flange 8 is provided with a dust ring frame flange 2, and an inner hole of the dust ring frame flange 2 is provided with a pipe shaft dust ring 3.
The end face seal connecting flange 22, the rotary tube shaft sealing disk 15 and the rotary tube shaft 1 are respectively provided with a fluid channel center hole which is mutually communicated, and welding interfaces are respectively arranged at the upper end part of the end face seal connecting flange 22 and the lower end part of the rotary tube shaft 1; the lower end face of the end face seal connecting flange 22 and the upper end face of the rotary tube shaft sealing disk 15 are respectively provided with a stepped hole coaxial with the central hole of the rotary tube shaft sealing disk, and the annular sealing ring 21 is embedded in the stepped holes.
And a jacket end face seal 9 is respectively arranged between the upper end of the jacket 11 and the end face seal connecting flange 22 and between the lower end of the jacket 11 and the rotary seal positioning flange 8.
The end face sealing connecting flange 22 and the rotary sealing positioning flange 8 are respectively connected with the two ends of the outer sleeve 11 by a third fastener 23 and a second fastener 6; the dustproof ring frame flange 2 is connected to the lower end face of the rotary seal positioning flange 8 through a first fastener 4.
Example 2
As shown in fig. 2, the difference from embodiment 1 is that the number of radial bearings 11 is two, and a retainer ring is provided between the two radial bearings 11.
Example 3
As shown in fig. 3, the difference from embodiment 1 is that the number of radial bearings 11 is two.
Example 4
As shown in fig. 4, the difference from embodiment 1 is that only the radial bearing 11 is provided and no thrust bearing is provided.
Example 5
As shown in fig. 5, the difference from embodiment 4 is that the number of radial bearings 11 is two, and a retainer ring is provided between the two radial bearings 11.
Example 6
As shown in fig. 6, the difference from example 4 is that the number of radial bearings 11 is two.
Claims (7)
1. The detachable anti-freezing low-temperature fluid rotary joint is characterized by comprising an end face sealing connecting flange, an outer sleeve, a rotary sealing positioning flange, a rotary pipe shaft sealing disc and a radial bearing, wherein the end face sealing connecting flange and the rotary sealing positioning flange are respectively detachably connected to the upper end and the lower end of the outer sleeve; the rotary tube shaft sealing disc is detachably connected to the upper end of the rotary tube shaft; a radial bearing is arranged between the rotary pipe shaft and the outer sleeve, the end face seal connecting flange, the outer sleeve, the rotary seal positioning flange, the rotary pipe shaft sealing disk and the outer sleeve end face seal, the pipe shaft rotary seal, the rotary pipe shaft end face seal, the annular sealing ring, the end face inner rotary seal and the end face outer rotary seal between the rotary pipe shaft and the outer sleeve form a sealing cavity, and the radial bearing is arranged in the sealing cavity; a semicircular clamping ring is coaxially arranged in an annular groove in the middle section of the rotary pipe shaft, a semicircular clamping ring positioning sleeve is sleeved outside the semicircular clamping ring, a bearing positioning sleeve is arranged between the end face sealing connecting flange and the outer ring of the radial bearing, and the bearing positioning sleeve is embedded in an inner hole of the outer sleeve; the number of the radial bearings is at least one, and the radial bearings are arranged between the outer sleeve and the rotary tube shaft, so that the outer sleeve and the rotary tube shaft form rolling connection; the upper end face of the inner ring of the radial bearing at the upper part is limited on the lower end face of the rotary tube shaft sealing disc, the lower end face of the inner ring of the radial bearing at the lower part is limited on the upper end face of the semicircular clamping ring, and the upper end face of the outer ring of the radial bearing at the upper part is limited on the lower end face of the bearing positioning sleeve; a thrust bearing is arranged between the semicircular clamping ring and the rotary sealing positioning flange, a shaft collar of the thrust bearing is sleeved on the rotary pipe shaft, the upper end face of the thrust bearing is limited on the lower end face of the semicircular clamping ring, and a seat ring of the thrust bearing is inlaid in a groove of the upper end face of the rotary sealing positioning flange.
2. The removable anti-freeze cryogenic fluid rotary joint of claim 1, wherein the upper end surface of the rotary pipe shaft sealing disk is provided with an annular groove in which an end surface inner rotary sealing collar is provided.
3. The detachable anti-freezing cryogenic fluid rotary joint according to claim 1, wherein an inner-end rotary seal and/or an outer-end rotary seal are arranged between the end-face sealing connecting flange and the rotary tube shaft sealing disk, the inner-end rotary seal is embedded in an inner hole of the inner-end rotary sealing retainer ring, and the outer-end rotary seal is embedded in an inner hole of the bearing positioning sleeve.
4. The detachable anti-freezing cryogenic fluid rotary joint according to claim 1, wherein at least one pipe shaft rotary seal is coaxially sleeved on the rotary pipe shaft between the rotary pipe shaft and the rotary seal positioning flange; tube shaft rotary sealing pressing rings are arranged in grooves of the upper end face and the lower end face of the rotary sealing positioning flange; the annular groove at the lower end of the rotary seal positioning flange is internally provided with a dust-proof ring frame flange, and an inner hole of the dust-proof ring frame flange is provided with a pipe shaft dust-proof ring.
5. The detachable anti-freezing cryogenic fluid rotary joint according to claim 1, wherein the end face sealing connecting flange, the rotary pipe shaft sealing disk and the rotary pipe shaft are respectively provided with a fluid passage center hole which is mutually communicated, and welding interfaces are respectively arranged at the upper end part of the end face sealing connecting flange and the lower end part of the rotary pipe shaft; the lower end face of the end face sealing connecting flange and the upper end face of the rotary pipe shaft sealing disk are respectively provided with a stepped hole coaxial with the central hole of the rotary pipe shaft sealing disk, and the annular sealing ring is embedded in the stepped holes.
6. The detachable anti-freezing cryogenic fluid rotary joint according to claim 1, wherein a jacket end face seal is respectively arranged between the jacket upper end and the end face seal connecting flange and between the jacket lower end and the rotary seal positioning flange.
7. The detachable anti-freezing cryogenic fluid rotary joint according to claim 1, wherein the end face sealing connecting flange and the rotary sealing positioning flange are respectively connected to two ends of the outer sleeve by a third fastener and a second fastener; the dustproof ring frame flange is connected to the lower end face of the rotary seal positioning flange through a first fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363130.4A CN110005887B (en) | 2019-04-30 | 2019-04-30 | Detachable anti-freezing low-temperature fluid rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363130.4A CN110005887B (en) | 2019-04-30 | 2019-04-30 | Detachable anti-freezing low-temperature fluid rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110005887A CN110005887A (en) | 2019-07-12 |
| CN110005887B true CN110005887B (en) | 2024-03-12 |
Family
ID=67175331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910363130.4A Active CN110005887B (en) | 2019-04-30 | 2019-04-30 | Detachable anti-freezing low-temperature fluid rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005887B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671553B (en) * | 2019-08-29 | 2021-08-10 | 招远市金亭岭矿业有限公司 | Pipeline for filling backwater and installation and use method thereof |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT175330B (en) * | 1948-10-01 | 1953-06-25 | Albert Till | Working or power machine with a paddle wheel acted upon by an operating medium |
| GB764328A (en) * | 1952-04-30 | 1956-12-28 | Crane Packing Ltd | Improvements in face-type mechanical sealing devices for use with relatively rotating members |
| GB1056608A (en) * | 1965-06-18 | 1967-01-25 | Sealol | Rotary mechanical fluid seal |
| AT261932B (en) * | 1964-09-23 | 1968-05-27 | Oswald A Hanisch | Method and device for recording and spatial projection of objects |
| DE2151538A1 (en) * | 1970-10-26 | 1972-04-27 | Borg Warner | Sealing arrangement |
| EP0177001A2 (en) * | 1984-10-05 | 1986-04-09 | SIAT - Società Internazionale Applicazioni Tecniche S.p.A. | Gearbox for a geared motor unit, in two parts produced by casting |
| CN101629571A (en) * | 2009-08-10 | 2010-01-20 | 广东正力精密机械有限公司 | Bearing water-proof mechanism of water-cooling single screw compressor |
| CN101891116A (en) * | 2010-08-18 | 2010-11-24 | 海克力斯(上海)液压机械有限公司 | Split rotating shaft joint |
| CN102927388A (en) * | 2012-11-19 | 2013-02-13 | 江苏长隆石化装备有限公司 | Low-temperature swivel joint |
| CN103104767A (en) * | 2013-02-04 | 2013-05-15 | 连云港远洋流体装卸设备有限公司 | Rotary connector specially used at ultralow temperature |
| CN103486370A (en) * | 2013-09-30 | 2014-01-01 | 张胜虎 | Rotating joint, loading arm with rotating joint and loading equipment with loading arm |
| CN103562583A (en) * | 2010-12-27 | 2014-02-05 | 底盘制动国际有限责任公司 | Disk brake having a conversion cartridge provided with an anti-matting device |
| CN203477690U (en) * | 2013-09-30 | 2014-03-12 | 张胜虎 | Rotating joint, loading and unloading arm comprising rotating joint and loading and unloading device comprising loading and unloading arm |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
| CN206487967U (en) * | 2017-03-01 | 2017-09-12 | 鞍山市昱虎流体设备有限公司 | A kind of cryogenic swivel |
| CN206496122U (en) * | 2017-03-01 | 2017-09-15 | 鞍山市昱虎流体设备有限公司 | A kind of chicksan |
| CN107813261A (en) * | 2016-09-14 | 2018-03-20 | 中国石油天然气股份有限公司 | A kind of split type, torque adjustment mechanism for thread-locking ring dismounting |
| CN209876230U (en) * | 2019-04-30 | 2019-12-31 | 鞍山市昱虎流体设备有限公司 | Detachable anti-freezing low-temperature fluid rotary joint |
-
2019
- 2019-04-30 CN CN201910363130.4A patent/CN110005887B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT175330B (en) * | 1948-10-01 | 1953-06-25 | Albert Till | Working or power machine with a paddle wheel acted upon by an operating medium |
| GB764328A (en) * | 1952-04-30 | 1956-12-28 | Crane Packing Ltd | Improvements in face-type mechanical sealing devices for use with relatively rotating members |
| AT261932B (en) * | 1964-09-23 | 1968-05-27 | Oswald A Hanisch | Method and device for recording and spatial projection of objects |
| GB1056608A (en) * | 1965-06-18 | 1967-01-25 | Sealol | Rotary mechanical fluid seal |
| DE2151538A1 (en) * | 1970-10-26 | 1972-04-27 | Borg Warner | Sealing arrangement |
| EP0177001A2 (en) * | 1984-10-05 | 1986-04-09 | SIAT - Società Internazionale Applicazioni Tecniche S.p.A. | Gearbox for a geared motor unit, in two parts produced by casting |
| CN101629571A (en) * | 2009-08-10 | 2010-01-20 | 广东正力精密机械有限公司 | Bearing water-proof mechanism of water-cooling single screw compressor |
| CN101891116A (en) * | 2010-08-18 | 2010-11-24 | 海克力斯(上海)液压机械有限公司 | Split rotating shaft joint |
| CN103562583A (en) * | 2010-12-27 | 2014-02-05 | 底盘制动国际有限责任公司 | Disk brake having a conversion cartridge provided with an anti-matting device |
| CN102927388A (en) * | 2012-11-19 | 2013-02-13 | 江苏长隆石化装备有限公司 | Low-temperature swivel joint |
| CN103104767A (en) * | 2013-02-04 | 2013-05-15 | 连云港远洋流体装卸设备有限公司 | Rotary connector specially used at ultralow temperature |
| CN103486370A (en) * | 2013-09-30 | 2014-01-01 | 张胜虎 | Rotating joint, loading arm with rotating joint and loading equipment with loading arm |
| CN203477690U (en) * | 2013-09-30 | 2014-03-12 | 张胜虎 | Rotating joint, loading and unloading arm comprising rotating joint and loading and unloading device comprising loading and unloading arm |
| CN105697909A (en) * | 2016-04-19 | 2016-06-22 | 北京航天发射技术研究所 | Low-temperature rotation connector |
| CN107813261A (en) * | 2016-09-14 | 2018-03-20 | 中国石油天然气股份有限公司 | A kind of split type, torque adjustment mechanism for thread-locking ring dismounting |
| CN206487967U (en) * | 2017-03-01 | 2017-09-12 | 鞍山市昱虎流体设备有限公司 | A kind of cryogenic swivel |
| CN206496122U (en) * | 2017-03-01 | 2017-09-15 | 鞍山市昱虎流体设备有限公司 | A kind of chicksan |
| CN209876230U (en) * | 2019-04-30 | 2019-12-31 | 鞍山市昱虎流体设备有限公司 | Detachable anti-freezing low-temperature fluid rotary joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110005887A (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111594059A (en) | Combined bearing type large-specification movable elbow mechanism | |
| CN204372396U (en) | A kind of doubly-closed tube pipeline connector | |
| CN209876230U (en) | Detachable anti-freezing low-temperature fluid rotary joint | |
| CN110005887B (en) | Detachable anti-freezing low-temperature fluid rotary joint | |
| CN209818979U (en) | Anti-freezing low-temperature fluid rotary joint | |
| CN110005888B (en) | Anti-freezing low-temperature fluid rotary joint | |
| CN206496122U (en) | A kind of chicksan | |
| CN201007403Y (en) | Single tube rotary joint for cooling | |
| CN107893765A (en) | A kind of single screw rod water-lubricated compressor | |
| CN106989185B (en) | Novel rotary wheel type manual throttle valve | |
| CN110005956B (en) | Shell split type anti-freezing low-temperature fluid rotary joint | |
| CN209782247U (en) | Shell split type anti-freezing low-temperature fluid rotary joint | |
| CN100480566C (en) | Rotary joint system | |
| CN2646523Y (en) | High temperature resistant dynamically sealed swivel joint | |
| CN201407451Y (en) | Rotating compensator of heat net pipeline | |
| CN209876499U (en) | Three-branch anti-freezing cryogenic fluid unloading arm | |
| CN201547429U (en) | Double-channel rotatable water joint device | |
| CN103712015B (en) | 4 thrust angular contact formula swivel joints | |
| CN107781446B (en) | Two-way pressure universal automatic compensation valve seat snap ring pressing plate type valve | |
| CN209876494U (en) | Anti-freezing low-temperature fluid loading and unloading arm | |
| CN209782219U (en) | Three-branch arm pipe purging anti-freezing low-temperature fluid unloading arm | |
| CN103629459A (en) | Axially sealed vacuum insulation ultralow-temperature rotating joint | |
| CN203703444U (en) | Axial seal vacuum insulation type ultralow temperature rotary connector | |
| CN110005946B (en) | Three-branch anti-freezing cryogenic fluid unloading arm | |
| CN111692443B (en) | Insulating rotary joint for connecting low-temperature fluid conveying pipeline |
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 |