CN114776919A - Three-channel rotary joint of temperature control rotary table and temperature control rotary table - Google Patents
Three-channel rotary joint of temperature control rotary table and temperature control rotary table Download PDFInfo
- Publication number
- CN114776919A CN114776919A CN202111673334.1A CN202111673334A CN114776919A CN 114776919 A CN114776919 A CN 114776919A CN 202111673334 A CN202111673334 A CN 202111673334A CN 114776919 A CN114776919 A CN 114776919A
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- Prior art keywords
- rotatable
- joint
- low
- rotary
- inlet pipeline
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Links
- 230000003068 static effect Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- KXXXUIKPSVVSAW-UHFFFAOYSA-K pyranine Chemical compound [Na+].[Na+].[Na+].C1=C2C(O)=CC(S([O-])(=O)=O)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 KXXXUIKPSVVSAW-UHFFFAOYSA-K 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
- F16L39/06—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies of the multiline swivel type, e.g. comprising a plurality of axially mounted modules
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Joints Allowing Movement (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The embodiment of the invention discloses a three-channel rotary joint of a temperature control rotary table, which comprises a rotatable high-pressure inlet pipeline, a rotary spring sealing ring, a rotary spring, a rotary pressure valve and a rotary pressure control valve, wherein the rotatable high-pressure inlet pipeline extends into a shell and is communicated with a static high-pressure inlet pipeline at the tail end of the shell; the rotatable low-pressure outlet pipeline is coaxial with the rotatable high-pressure inlet pipeline, extends into the shell and is communicated with the static low-pressure outlet pipeline, and a spring sealing ring for a shaft is arranged between the rotatable low-pressure outlet pipeline and the shell; the rotatable gas circuit is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the shell and is communicated with the static gas circuit, and a rotary GREEN ring for a shaft is arranged between the rotatable gas circuit and the shell; the rotatable low-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and the rotatable gas circuit are respectively communicated with three channels formed on the mandrel in the shell, and the rotatable high-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and one end of the rotatable gas circuit far away from the shell are connected through the connector adapter.
Description
Technical Field
The invention relates to the technical field of rotary table joints, in particular to a three-channel rotary joint of a temperature control rotary table and the temperature control rotary table.
Background
Some temperature control turntables are mainly used for testing inertial equipment under high and low temperatures, and for the condition that some temperature boxes rotate along with the turntables, in order to ensure that the temperature control turntables can continuously and infinitely rotate, three-channel rotary joints are needed to transmit high-pressure low-temperature refrigerants and anti-condensation dry air, and because the rotary joints adopt multiple dynamic and static seals, the friction torque is very large when the rotary joints rotate, at present, the temperature boxes matched with the temperature control turntables are all high and low temperature boxes, under the condition of the temperature of minus 60 ℃, one path of refrigerants of the rotary joints are close to minus 60 ℃, under the condition of the low temperature, the outer surfaces of the rotary joints can generate a large amount of condensed water, in addition, the low temperature can be transmitted to a rotating shaft of the turntables and parts on the shaft through metal shells of the joints, once the condensed water is generated, the corrosion of the parts can be prevented, and the insulation of electric elements can have great influence. In addition, the rotary joint belongs to static and dynamic transition devices, wherein the performance of the dynamic seal determines the service life of the product, while for the dynamic seal, the linear velocity is the main factor of the abrasion of the seal ring, and in order to reduce the abrasion of the seal ring and the sealing performance, the product size needs to be reduced as much as possible on the premise of ensuring the performance.
Disclosure of Invention
In view of the above-mentioned effects of the prior art, such as the influence of condensed water possibly generated by the frost formation of shaft system condensation due to the transmitted ultra-low temperature coolant on the corrosion of parts and the insulation of electric elements, and the problem that the service life of a common multi-channel rotary joint of the temperature control rotary table is influenced due to large volume and large friction torque is solved, the embodiment of the invention provides the three-channel rotary joint of the temperature control rotary table and the temperature control rotary table, the rotary joint mandrel adopts three-way coaxial design, the shaft diameter is effectively reduced, the structure is more compact, the third channel can be used for introducing air dried by an air compressor to a warm box on the rotary table and can also be independently sealed into a vacuum pipeline, condensate water possibly generated by a low-temperature pipeline in the rotary table shaft is isolated, the influence on corrosion of parts and insulation of electric elements caused by the condensate water is prevented, and the precision and the reliability of the temperature control rotary table can be effectively improved.
The embodiment of the invention provides a three-channel rotary joint of a temperature control rotary table, which comprises:
the rotatable high-pressure inlet pipeline extends into the joint shell and is communicated with the static high-pressure inlet pipeline at the tail end of the joint shell, and a rotary spring sealing ring is arranged between the rotatable high-pressure inlet pipeline and the joint shell;
the rotatable low-pressure outlet pipeline is coaxial with the rotatable high-pressure inlet pipeline, extends into the joint shell and is communicated with the static low-pressure outlet pipeline, and a spring sealing ring for a shaft is arranged between the rotatable low-pressure outlet pipeline and the joint shell;
the rotatable gas circuit is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the joint shell and is communicated with the static gas circuit, and a rotary GREEN for a shaft is arranged between the rotatable gas circuit and the joint shell;
the rotatable low-pressure inlet pipeline is communicated with three channels formed on the mandrel in the joint shell, the rotatable low-pressure outlet pipeline is communicated with one end, far away from the joint shell, of the rotatable gas circuit in the joint shell through a joint adapter, and the rotatable high-pressure inlet pipeline and the rotatable low-pressure outlet pipeline are communicated with respective external joints through channels in the joint adapter.
In some embodiments of the present invention, the rotatable air path and the stationary air path are filled with circulating dry air.
In some embodiments of the present invention, the rotatable gas path and the stationary gas path are sealed and evacuated to a vacuum state.
In some embodiments of the present invention, a bearing is disposed outside the mandrel, and a base is disposed outside the bearing, and the base rotates relative to the mandrel through the bearing.
An embodiment of the present invention further provides a temperature control turntable, including: a three way swivel as described in the previous embodiments.
Compared with the prior art, the three-channel rotary joint of the temperature control rotary table and the temperature control rotary table provided by the embodiment of the invention have the beneficial effects that: its dabber adopts the coaxial design of three routes, and rotatable gas circuit and static gas circuit both can lead to the dry air of air compressor machine and give the incubator on the revolving stage, also can independently seal into the pipeline of vacuum, can effectively reduce the axle footpath, and the structure is compacter, keeps apart the comdenstion water that low temperature pipeline probably produced in the revolving stage axle.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a three-channel rotary joint of a temperature-controlled rotary table according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a temperature control turntable according to an embodiment of the present invention.
Reference numerals
1. A temperature control rotary table; 2. a three-way rotary joint; 3. the gas circuit can be rotated; 4. a rotatable high pressure inlet line; 5. a rotatable low pressure outlet line; 6. a bearing; 7. a gas circuit is static; 8. rotating GREEN for shaft; 9. a static low pressure outlet pipeline; 10. a static high pressure inlet line; 11. rotating the spring seal ring; 12. a spring seal ring for the shaft; 13. a joint housing; 14. a mandrel; 15. a base; 16. a joint adapter.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and the detailed description.
Various aspects and features of the present application are described herein with reference to the drawings.
These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It should also be understood that, although the present application has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of application, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as to not unnecessarily obscure the present application with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The description may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
The embodiment of the invention provides a three-channel rotary joint 2 of a temperature control rotary table, which is a connection sealing device for inputting a medium from one end of a static shaft to the other end of a rotary shaft, and as shown in fig. 1, the three-channel rotary joint 2 comprises:
the rotary high-pressure inlet pipeline 4 extends into the joint shell 13 and is communicated with the static high-pressure inlet pipeline 10 at the tail end of the joint shell 13, and a rotary spring sealing ring 11 is arranged between the rotary high-pressure inlet pipeline 4 and the joint shell 13;
a rotatable low-pressure outlet pipeline 5 which is arranged coaxially with the rotatable high-pressure inlet pipeline 4, extends into the joint housing 13 and is communicated with the static low-pressure outlet pipeline 9, and a spring seal ring 12 for a shaft is arranged between the rotatable low-pressure outlet pipeline 5 and the joint housing 13;
the rotatable gas circuit 3 is coaxially arranged with the rotatable high-pressure inlet pipeline 4, extends into the joint shell 13 and is communicated with the static gas circuit 7, and a rotary GREEN 8 for a shaft is arranged between the rotatable gas circuit 3 and the joint shell 13;
rotatable high pressure advances the pipeline 4, rotatable low extrusion pipeline 5 with rotatable gas circuit 3 is in connect the casing 13 in respectively with the three passageway that forms respectively on the dabber 14 communicate, three independent passageway space adopts coaxial design in the dabber 14, can effectively reduce the structure size, reduces friction torque, prolongs its life and easy to assemble, rotatable high pressure advances the pipeline 4, rotatable low extrusion pipeline 5 with rotatable gas circuit 3 is keeping away from connect one end in the casing 13 and connect 16 connections through connecting, rotatable high pressure advances the pipeline 4 with rotatable low extrusion pipeline 5 all passes through connect passageway and respective external joint intercommunication in the adaptor 16, rotatable gas circuit 3 is worn to establish connect on the adaptor 16.
In some embodiments of the present invention, the rotatable gas path 3 and the stationary gas path 7 are filled with dry air, so as to increase the dry air purging function of the incubator, and effectively improve the generation of condensed water in the incubator.
In addition, in some embodiments of the present invention, since the minimum temperature of the rotary joint can reach-60 ℃ in the process of transferring the refrigerant, a large amount of condensed water can be generated on the outer side of the rotary joint and the rotary shaft component, which can greatly affect the performance of the rotary table, the rotary gas circuit 3 and the static gas circuit 7 can be sealed and vacuumized to be arranged in a vacuum state, so as to achieve the effect of the low-temperature conduction of the vacuum isolation refrigerant channel on the axis of the temperature control rotary table 1, and ensure the performance and reliability of the temperature control rotary table 1.
In some embodiments of the present invention, a bearing 6 is disposed outside the mandrel 14, and a base 15 is sleeved outside the bearing 6, and the base 15 rotates relative to the mandrel 14 through the bearing 6, that is, the base 15, the bearing 6, and the mandrel 14 together form an independent high-precision shafting, so as to meet rotation and support requirements.
According to the technical scheme, the mandrel 14 of the three-channel rotary joint of the temperature control rotary table 1 provided by the embodiment of the invention adopts three coaxial paths, the rotatable gas path 3 and the static gas path 7 can be used for supplying air dried by an air compressor to a temperature box on the rotary table and can be independently sealed into a vacuum pipeline, the shaft diameter can be effectively reduced, the structure is more compact, and condensate water possibly generated in a rotary table shaft by a low-temperature pipeline is isolated.
An embodiment of the present invention further provides a temperature control turntable 1, as shown in fig. 2, including: a three way swivel 2 is provided as in the previous embodiment.
The three-channel rotary joint 2 of the temperature control rotary table 1 has all the beneficial effects that the mandrel 14 of the three-channel rotary joint 2 is designed in a three-channel coaxial mode, the rotatable air channel 3 and the static air channel 7 can be used for introducing air dried by an air compressor to a temperature box on the rotary table and can also be independently sealed into a vacuum pipeline, the shaft diameter can be effectively reduced, the structure is more compact, and condensate water possibly generated in a rotary table shaft by a low-temperature pipeline is isolated.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents of the invention may be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (5)
1. A three-channel rotary joint of a temperature-controlled rotary table is characterized by comprising:
the rotatable high-pressure inlet pipeline extends into the joint shell and is communicated with the static high-pressure inlet pipeline at the tail end of the joint shell, and a rotary spring sealing ring is arranged between the rotatable high-pressure inlet pipeline and the joint shell;
the rotatable low-pressure outlet pipeline is coaxial with the rotatable high-pressure inlet pipeline, extends into the joint shell and is communicated with the static low-pressure outlet pipeline, and a spring sealing ring for a shaft is arranged between the rotatable low-pressure outlet pipeline and the joint shell;
the rotatable gas circuit is coaxial with the rotatable high-pressure inlet pipeline, extends into the joint shell and is communicated with the static gas circuit, and a rotary GREEN for a shaft is arranged between the rotatable gas circuit and the joint shell;
the rotatable low-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and the rotatable gas circuit are respectively communicated with three channels formed on the mandrel in the joint shell, the rotatable high-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and one end of the rotatable gas circuit far away from the joint shell are connected through a joint adapter, and the rotatable high-pressure inlet pipeline and the rotatable low-pressure outlet pipeline are communicated with respective external joints through the channels in the joint adapter.
2. Three-way rotary joint of a temperature controlled turntable according to claim 1,
the rotatable air path and the static air path are filled with circulating dry air.
3. Three-way rotary joint of a temperature controlled turntable according to claim 1,
the rotatable air path and the static air path are sealed and vacuumized to be arranged in a vacuum state.
4. Three-way rotary joint of a temperature controlled turntable according to claim 1,
the mandrel is characterized in that a bearing and a base are arranged on the outer side of the mandrel, the base is sleeved on the outer side of the bearing, and the base rotates relative to the mandrel through the bearing.
5. A temperature controlled turntable, comprising:
the three way swivel of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673334.1A CN114776919B (en) | 2021-12-31 | 2021-12-31 | Three-way rotary joint of temperature control rotary table and temperature control rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673334.1A CN114776919B (en) | 2021-12-31 | 2021-12-31 | Three-way rotary joint of temperature control rotary table and temperature control rotary table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776919A true CN114776919A (en) | 2022-07-22 |
| CN114776919B CN114776919B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111673334.1A Active CN114776919B (en) | 2021-12-31 | 2021-12-31 | Three-way rotary joint of temperature control rotary table and temperature control rotary table |
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| Country | Link |
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| CN (1) | CN114776919B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359333A (en) * | 2023-12-07 | 2024-01-09 | 山东豪迈数控机床有限公司 | Revolving stage multichannel structure and numerical control processing equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435207A (en) * | 2011-09-01 | 2012-05-02 | 中国航空工业第六一八研究所 | Rotary joint-free double-shaft rotary table structure with incubator |
| CN106908084A (en) * | 2017-03-27 | 2017-06-30 | 北京航天控制仪器研究所 | A kind of band temperature control box three-axle table of high-accuracy multifunctional |
| CN206339242U (en) * | 2016-11-30 | 2017-07-18 | 北京航天计量测试技术研究所 | The condensate water-proof device of double axle table is rotated with incubator |
| CN109489688A (en) * | 2018-11-19 | 2019-03-19 | 中国航空工业集团公司北京航空精密机械研究所 | Condensation-proof apparatus for uniaxial temperature control turntable |
| CN112484748A (en) * | 2019-09-11 | 2021-03-12 | 九江精密测试技术研究所 | Sealing structure of incubator turntable refrigeration conveying system |
| CN212903243U (en) * | 2020-10-27 | 2021-04-06 | 武汉华之洋科技有限公司 | Triaxial temperature control rotary table with heat insulation mechanism inside |
-
2021
- 2021-12-31 CN CN202111673334.1A patent/CN114776919B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435207A (en) * | 2011-09-01 | 2012-05-02 | 中国航空工业第六一八研究所 | Rotary joint-free double-shaft rotary table structure with incubator |
| CN206339242U (en) * | 2016-11-30 | 2017-07-18 | 北京航天计量测试技术研究所 | The condensate water-proof device of double axle table is rotated with incubator |
| CN106908084A (en) * | 2017-03-27 | 2017-06-30 | 北京航天控制仪器研究所 | A kind of band temperature control box three-axle table of high-accuracy multifunctional |
| CN109489688A (en) * | 2018-11-19 | 2019-03-19 | 中国航空工业集团公司北京航空精密机械研究所 | Condensation-proof apparatus for uniaxial temperature control turntable |
| CN112484748A (en) * | 2019-09-11 | 2021-03-12 | 九江精密测试技术研究所 | Sealing structure of incubator turntable refrigeration conveying system |
| CN212903243U (en) * | 2020-10-27 | 2021-04-06 | 武汉华之洋科技有限公司 | Triaxial temperature control rotary table with heat insulation mechanism inside |
Non-Patent Citations (1)
| Title |
|---|
| 黄帅;杨微;张洁琦: "三轴温箱转台低温气动旋转接头设计", 《科学技术创新》, no. 2018, pages 153 - 154 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359333A (en) * | 2023-12-07 | 2024-01-09 | 山东豪迈数控机床有限公司 | Revolving stage multichannel structure and numerical control processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776919B (en) | 2023-11-03 |
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