CN114776919B - Three-way rotary joint of temperature control rotary table and temperature control rotary table - Google Patents
Three-way rotary joint of temperature control rotary table and temperature control rotary table Download PDFInfo
- Publication number
- CN114776919B CN114776919B CN202111673334.1A CN202111673334A CN114776919B CN 114776919 B CN114776919 B CN 114776919B CN 202111673334 A CN202111673334 A CN 202111673334A CN 114776919 B CN114776919 B CN 114776919B
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- China
- Prior art keywords
- rotatable
- inlet pipeline
- pressure inlet
- low
- pipeline
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- 230000003068 static effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 229920002148 Gellan gum Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- 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
Abstract
The embodiment of the application discloses a three-way rotary joint of a temperature control turntable, which comprises a rotatable high-pressure inlet pipeline, a rotary spring sealing ring and a rotary control valve, wherein the rotatable high-pressure inlet pipeline extends into a shell and is communicated with a static high-pressure inlet pipeline positioned at the tail end of the shell; the rotatable low-pressure outlet pipeline is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the shell, is communicated with the static low-pressure outlet pipeline, and is provided with a spring sealing ring for a shaft between the rotatable low-pressure outlet pipeline and the shell; the rotatable gas circuit is coaxially arranged with the rotatable high-pressure inlet pipeline and extends into the shell, is communicated with the static gas circuit, and a rotating Gelai ring for a shaft is arranged between the rotatable gas circuit and the shell; the rotatable high-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and the rotatable air channel 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 the rotatable air channel are connected through a joint adapter at one end far away from the shell.
Description
Technical Field
The application relates to the technical field of turntable joints, in particular to a three-way rotary joint of a temperature control turntable and the temperature control turntable.
Background
The temperature control turntable is mainly used for testing inertial equipment at high and low temperatures, and for the condition that certain temperature boxes rotate along with the turntable, three-channel rotary joints are needed to convey high-pressure low-temperature refrigerants and anti-condensation dry air in order to ensure that the temperature control turntable can continuously rotate infinitely. In addition, the rotary joint belongs to a static and dynamic transition device, wherein the service life of a product is determined by the performance of a dynamic seal, and the linear speed is a main factor of abrasion of a sealing ring for the dynamic seal, so that the abrasion of the sealing ring is reduced, the sealing performance is reduced, and the size of the product is required to be reduced as much as possible on the premise of ensuring the performance.
Disclosure of Invention
In view of the problems that the temperature control turntable rotating joint in the prior art has the influence on corrosion of parts and insulation of electric elements caused by shafting condensation frost possibly generated by the transmitted ultralow-temperature refrigerant, and the service life of the temperature control turntable is influenced due to the fact that the common multichannel rotating joint of the temperature control turntable is large in size and large in friction moment, the three-channel rotating joint and the temperature control turntable of the temperature control turntable are provided.
The embodiment of the application provides a three-way rotary joint of a temperature control rotary table, which comprises the following components:
the rotatable high-pressure inlet pipeline extends into the connector shell and is communicated with the static high-pressure inlet pipeline positioned at the tail end of the connector shell, and a rotary spring sealing ring is arranged between the rotatable high-pressure inlet pipeline and the connector shell;
the rotatable low-pressure outlet pipeline is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the connector 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 connector shell;
the rotatable gas circuit is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the connector shell and is communicated with the static gas circuit, and a rotating Gellan ring for a shaft is arranged between the rotatable gas circuit and the connector shell;
the rotatable high-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 connector shell, the rotatable high-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and one end of the rotatable gas circuit, which is far away from the connector shell, are connected through the connector adapter, and the rotatable high-pressure inlet pipeline and the rotatable low-pressure outlet pipeline are respectively communicated with respective external connectors through the channels in the connector adapter.
In some embodiments of the application, the rotatable air path and the stationary air path are filled with circulated dry air.
In some embodiments of the application, the rotatable gas circuit and the stationary gas circuit are sealed and evacuated to a vacuum state.
In some embodiments of the application, a bearing is arranged outside the mandrel, and a base is sleeved outside the bearing, and the base rotates relative to the mandrel through the bearing.
The embodiment of the application also provides a temperature control turntable, which comprises: the three-way rotary joint as described in the above embodiment.
Compared with the prior art, the three-way rotary joint of the temperature control turntable provided by the embodiment of the application has the beneficial effects that: the spindle adopts three paths of coaxial design, and the rotatable air path and the static air path can be used for leading the air dried by the air compressor to an incubator on the turntable, and can also be independently sealed into a vacuum pipeline, so that the spindle diameter can be effectively reduced, the structure is more compact, and condensate water possibly generated in the turntable shaft by the low-temperature pipeline is isolated.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a three-way rotary joint of a temperature control turntable according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a temperature control turntable according to an embodiment of the present application.
Reference numerals
1. A temperature control turntable; 2. a three-channel rotary joint; 3. a rotatable gas circuit; 4. a rotatable high pressure inlet line; 5. a rotatable low pressure outlet line; 6. a bearing; 7. a static air path; 8. rotating the gray ring for the shaft; 9. a stationary low pressure outlet line; 10. a static high-pressure inlet pipeline; 11. rotating the spring seal ring; 12. spring sealing rings for shafts; 13. a joint housing; 14. a mandrel; 15. a base; 16. a joint adapter.
Detailed Description
The present application will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical scheme of the present application.
Various aspects and features of the present application are described herein with reference to the accompanying drawings.
These and other characteristics of the application will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It is also to be understood that, although the application has been described with reference to some specific examples, a person skilled in the art will certainly be able to achieve many other equivalent forms of the 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 light of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application will be 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 constructions are not described in detail to avoid obscuring the application in unnecessary or unnecessary detail from historical operations of the user. Therefore, specific structural and functional details disclosed herein are not intended to be 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 specification may use the word "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 application provides a three-channel rotary joint 2 of a temperature control rotary table, which is a connecting sealing device for inputting a medium from one end of a static shaft to the other end of a rotary shaft, as shown in fig. 1, wherein the three-channel rotary joint 2 comprises:
the rotatable high-pressure inlet pipeline 4 extends into the joint shell 13 and is communicated with the static high-pressure inlet pipeline 10 positioned at the tail end of the joint shell 13, and a rotary spring sealing ring 11 is arranged between the rotatable high-pressure inlet pipeline 4 and the joint shell 13;
a rotatable low-pressure outlet pipe 5 which is coaxially arranged with the rotatable high-pressure inlet pipe 4, extends into the joint housing 13 and is communicated with the stationary low-pressure outlet pipe 9, and a spring sealing ring 12 for shaft is arranged between the rotatable low-pressure outlet pipe 5 and the joint housing 13;
the rotatable air channel 3 is coaxially arranged with the rotatable high-pressure inlet pipeline 4, extends into the joint shell 13 and is communicated with the static air channel 7, and a rotary gray ring 8 for shaft is arranged between the rotatable air channel 3 and the joint shell 13;
the rotatable high-pressure inlet pipeline 4, the rotatable low-pressure outlet pipeline 5 and the rotatable gas circuit 3 are respectively communicated with three channels formed on the mandrel 14 in the connector housing 13, three independent channel spaces in the mandrel 14 are in coaxial design, so that the structural size can be effectively reduced, the friction moment is reduced, the service life of the rotatable high-pressure inlet pipeline is prolonged, the rotatable high-pressure outlet pipeline 4 is convenient to install, the rotatable low-pressure outlet pipeline 5 and the rotatable gas circuit 3 are connected through the connector adaptor 16 at one end far away from the connector housing 13, the rotatable high-pressure inlet pipeline 4 and the rotatable low-pressure outlet pipeline 5 are respectively communicated with respective external connectors through channels in the connector adaptor 16, and the rotatable gas circuit 3 is arranged on the connector adaptor 16 in a penetrating manner.
In some embodiments of the present application, the rotatable air path 3 and the stationary air path 7 are filled with circulated dry air, so as to further 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 application, since the lowest temperature of the rotary joint can reach-60 ℃ in the process of transferring the refrigerant, a large amount of condensed water will be generated on the outer side and the rotating shaft component of the rotary joint, and a great influence will be generated on the performance of the turntable, so that the rotatable air path 3 and the static air path 7 can be sealed and vacuumized to be in a vacuum state, thereby achieving the effect of low-temperature conduction of the vacuum isolation refrigerant channel on the shafting of the temperature control turntable 1, and ensuring the performance and reliability of the temperature control turntable 1.
In some embodiments of the present application, the bearing 6 is disposed on the outer side of the mandrel 14, and the base 15 is sleeved on the outer side of 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 shaft system, so as to meet the rotation and support requirements.
According to the technical scheme, the three-channel rotary joint of the temperature control turntable 1 provided by the embodiment of the application has the advantages that the mandrel 14 adopts a three-channel coaxial design, the rotatable air channel 3 and the static air channel 7 can be used for supplying air dried by an air compressor to an incubator on the turntable, and also can be independently sealed into a vacuum pipeline, so that the shaft diameter can be effectively reduced, the structure is more compact, and condensate water possibly generated in the turntable shaft by a low-temperature pipeline is isolated.
The embodiment of the application also provides a temperature control turntable 1, as shown in fig. 2, comprising: three-way swivel 2 as provided in the above embodiments.
The three-way rotary joint 2 of the temperature control turntable 1 has the advantages that the mandrel 14 of the three-way rotary joint 2 is of three-way coaxial design, the rotatable air passage 3 and the static air passage 7 can be used for supplying dry air of an air compressor to an incubator on the turntable, and can also be independently sealed into a vacuum pipeline, so that the diameter of the shaft can be effectively reduced, the structure is more compact, and condensate water possibly generated in the turntable shaft by the low-temperature pipeline is isolated.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (5)
1. A three-channel swivel joint of a temperature-controlled turntable, comprising:
the rotatable high-pressure inlet pipeline extends into the connector shell and is communicated with the static high-pressure inlet pipeline positioned at the tail end of the connector shell, and a rotary spring sealing ring is arranged between the rotatable high-pressure inlet pipeline and the connector shell;
the rotatable low-pressure outlet pipeline is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the connector 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 connector shell;
the rotatable gas circuit is coaxially arranged with the rotatable high-pressure inlet pipeline, extends into the connector shell and is communicated with the static gas circuit, and a rotating Gellan ring for a shaft is arranged between the rotatable gas circuit and the connector shell;
the rotatable high-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 connector shell, the rotatable high-pressure inlet pipeline, the rotatable low-pressure outlet pipeline and one end of the rotatable gas circuit, which is far away from the connector shell, are connected through the connector adapter, and the rotatable high-pressure inlet pipeline and the rotatable low-pressure outlet pipeline are respectively communicated with respective external connectors through the channels in the connector adapter.
2. The three-way rotary joint of a temperature-controlled turntable according to claim 1, wherein,
and the rotatable air passage and the static air passage are filled with circulating dry air.
3. The three-way rotary joint of a temperature-controlled turntable according to claim 1, wherein,
the rotatable air passage and the static air passage are sealed and vacuumized to be in a vacuum state.
4. The three-way rotary joint of a temperature-controlled turntable according to claim 1, wherein,
the outer side of the mandrel is provided with a bearing and a base 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 rotary joint 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 CN114776919A (en) | 2022-07-22 |
| CN114776919B true 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776919B (en) |
Families Citing this family (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 |
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|---|---|---|---|---|
| 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 |
|---|
| 三轴温箱转台低温气动旋转接头设计;黄帅;杨微;张洁琦;《科学技术创新》(第2018年31期);第153-154页 * |
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| Publication number | Publication date |
|---|---|
| CN114776919A (en) | 2022-07-22 |
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