CN201298582Y - Multichannel microwave rotary joint - Google Patents
Multichannel microwave rotary joint Download PDFInfo
- Publication number
- CN201298582Y CN201298582Y CNU2008201242402U CN200820124240U CN201298582Y CN 201298582 Y CN201298582 Y CN 201298582Y CN U2008201242402 U CNU2008201242402 U CN U2008201242402U CN 200820124240 U CN200820124240 U CN 200820124240U CN 201298582 Y CN201298582 Y CN 201298582Y
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- bearing
- rotating parts
- inner wire
- housed
- single channel
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Abstract
The utility model relates to a multichannel microwave rotary joint, comprises a single channel rotary part which is provided with a bearing or an inner conductor, and a double channel rotary part which is provided with the bearing or the inner conductor at the two ends, or comprises the single channel rotary part which is provided with the bearing or the inner conductor, and the double channel rotary part which is provided with the bearing or the inner conductor respectively at the two ends. The double channel rotary part is axially fixed with the single channel rotary part. The single channel rotary part and the double channel rotary part rotate reversely by the bearing. The rotary shaft of each channel of the utility model is coaxial. By modularizing and standardizing each rotary part, the standardized components can be expanded into the multichannel joint in various combination ways conveniently. Because the structure of the rotary joint is integrative, the utility model has the advantages of more compact structure and small axial dimension, which can adapt to the narrow installation space of a space antenna and meet the requirement of small-spacing waveguide layout. At the same time, simple interface facilitates the connection with other waveguide components and the rotational stability of the rotary joint and the stationarity of the electrical property are ensured.
Description
Technical field
The utility model relates to the multichannel microwave rotary joint of a kind of microwave rotary joint, particularly a kind of cramped construction, can be used for the multichannel microwave signal transmission of space communication antenna and tracking antenna.
Background technology
Construction along with China's TDRS, the low orbit user satellite for and repeater satellite set up inter-satellite link and realize signal transmission between star, the movable high-gain aerial of machinery all is housed, antenna is operated in the Ka frequency range, this type antenna adopts program control tracking or program control tracking and the tracking mode that combines from motion tracking usually, antenna should receiving target the signal of emission, also to transmit simultaneously to target.Because antenna working frequency range height, in order to reduce the loss of signal transmission, the form of other equipment room signal that links to each other transmission employing waveguide on antenna and the satellite.
The mechanically tracking antenna has two or three (containing axis of dilatation) rotation axiss, solve waveguide and when passing rotation axis, should satisfy the rotating function difficult problem of Transmission Microwave signal again, the method that solves can adopt flexible cable or microwave rotary joint, flexible cable is applicable to the occasion that rotational angle is little, number of revolutions is few, also will increase the Waveguide coaxial conversion simultaneously.And slewing area is big for the user satellite terminal antenna, and number of revolutions is many, and flexible cable is difficult to meet the demands, and therefore needs to adopt rotary joint.In order to make rotary joint transmission characteristic when rotated satisfy system requirements, rotary joint adopts the coaxial chokes type design of no wave mode conversion, and the key of design is a choke groove, and choke groove is to make electric going up continuously, and mechanically gapped, so that a kind of structure of rotation.The antenna transmission receiving and transmitting signal, rotary joint needs two paths (receiving and emission) when adopting program control trackings, adopt when motion tracking rotary joint need three paths (reception and signal, reception difference signal and transmit).Rotary joint will be placed on antenna rotating mechanism coaxial position, because space antenna envelope dimensional requirement strictness when topology layout requires the rotary joint compact conformation, size is little, installs and fixes conveniently, and interface is simple, owing to the working frequency range height, design of part requires simple simultaneously, is convenient to guarantee.
The microwave current rotary joint radar with communicate by letter in rotary antenna system in use more, but the frequency range of using is lower, be commonly used in L-band, C-band etc., version mostly is single channel, even it also is to adopt the coaxial stacked structure of inside and outside passage that twin-channel rotary joint of use is arranged, the version complexity, physical dimension is big, processing request height, difficulty are big, and performance is difficult to guarantee.Realize three the tunnel so that more multiplexing adopt the existing passage technology of piling up be difficult to realize.At present, most of single channel rotary joint profiles as shown in Figure 1, input and output are two revolving parts that can rotate mutually, the middle connection by choke groove realized signal transmission in the rotation process.
The utility model content
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, a kind of multichannel microwave rotary joint is provided, by adopting standardization, modular rotating parts to make that rotary joint compact conformation, the size formed are little, the stability of rotating and the stationarity height of electrical property, highly versatile.
Technical solution of the present utility model is: a kind of multichannel microwave rotary joint comprises: the single channel rotating parts of bearing or inner wire and two ends are housed the binary channels rotating parts that inner wire is equipped with at bearing or two ends is housed, the binary channels rotating parts nested inside that inner wire is equipped with at two ends is equipped with the single channel rotating parts and the axial restraint of bearing, the binary channels rotating parts that inner wire is equipped with at two ends is enclosed within the inner and axial restraint of the single channel rotating parts that bearing is housed, and the single channel rotating parts that bearing or inner wire be housed and two ends are equipped with the binary channels rotating parts that bearing or two ends inner wire is housed and are rotated by bearing is relative.
On described its hollow rotary shaft of single channel rotating parts that bearing is housed 2 bearings are installed, two ends are equipped with on two hollow rotary shafts of binary channels rotating parts of bearing 2 bearings respectively are installed.Described its inner wire of single channel rotating parts that inner wire is housed is installed in by the dielectric support of two semicircles in the detent of inner wire and with outer conductor and is connected, and each dielectric support by two semicircles of inner wire that its both-end of binary channels rotating parts of inner wire is equipped with at two ends is installed in the detent of inner wire and with outer conductor and is connected.
Described 2 single channel rotating partss that bearing is housed and 1 two ends are equipped with the binary channels rotating parts that the binary channels rotating parts of inner wire, 2 single channel rotating partss that inner wire is housed and 1 two ends bearing is housed and are constituted two passage microwave rotary joints respectively.
Described 1 single channel rotating parts that bearing is housed, 1 two ends are equipped with binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that the binary channels rotating parts of inner wire, 1 two ends be equipped with bearing and are constituted the triple channel microwave rotary joint jointly.
A kind of multichannel microwave rotary joint comprises: the single channel rotating parts of bearing or inner wire and the binary channels rotating parts that two ends are equipped with bearing and inner wire respectively are housed, two ends be equipped with respectively bearing and inner wire the binary channels rotating parts its nested single channel rotating parts and axial restraint that bearing is housed of end of inner wire is housed, the end that bearing is housed is enclosed within the inner and axial restraint of the single channel rotating parts that inner wire is housed, and the single channel rotating parts that bearing or inner wire are housed rotates by bearing is relative with the binary channels rotating parts that two ends are equipped with bearing and inner wire respectively.
On described its hollow rotary shaft of single channel rotating parts that bearing is housed 2 bearings are installed, its inner wire of single channel rotating parts that inner wire is housed is installed in by the dielectric support of two semicircles in the detent of inner wire and with outer conductor and is connected.
Described two ends be equipped with respectively bearing and inner wire the binary channels rotating parts its be equipped with 2 bearings be installed on the hollow rotary shaft of bearing one end, its inner wire of an end that inner wire is housed is installed in by the dielectric support of two semicircles in the detent of inner wire and with outer conductor and is connected.
Described 1 single channel rotating parts that bearing is housed, 1 two ends are equipped with respectively that the binary channels rotating parts of bearing and inner wire and 1 single channel rotating parts that inner wire is housed are common to constitute two passage microwave rotary joints.
Binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that described 1 single channel rotating parts that bearing is housed, 2 two ends are equipped with bearing and inner wire respectively constitute the triple channel microwave rotary joint jointly.
The utility model compared with prior art has the following advantages: the rotating shaft coaxle of each passage of the utility model, by each rotating parts is carried out modularization, standardized designs, can adopt standardized assembly to expand to the multichannel joint with carrying out multiple combined and instant, because the structurally integrated form of this rotary joint, make structure compact more, axial dimension is little, can adapt to narrow and small installing space of space antenna and the requirement of little spacing waveguide layout, interface simply is convenient to the connection with other wave guide member simultaneously, avoided the problem of a plurality of single channels joint rotation axis adjustment when coaxial the installation, can guarantee the stability of rotary joint rotation and the stationarity of electrical property, therefore can be widely used in the Ka frequency range multichannel microwave rotary joint device of user satellite tracking antenna.
Description of drawings
Fig. 1 is existing single channel rotary joint structural representation;
Fig. 2 is the utility model binary channels rotary joint pie graph;
Fig. 3 is equipped with the single channel rotating parts structure chart of inner wire for the utility model;
Fig. 4 is equipped with the binary channels rotating parts structure chart of bearing for the utility model two ends;
Fig. 5 is the assembling schematic diagram of the utility model binary channels rotation diagram 3 and Fig. 4;
Fig. 6-9 is the utility model binary channels rotary joint rotary course schematic diagram;
Figure 10 is equipped with the single channel rotating parts structure chart of bearing for the utility model;
Figure 11 is equipped with the binary channels rotating parts structure chart of inner wire for the utility model two ends;
Figure 12 is the utility model triple channel rotary joint pie graph;
Figure 13 is the outline drawing after the utility model triple channel rotary joint is installed.
Embodiment
Shown in Fig. 2,3,4, formed a double channels microwave rotary joint jointly by the binary channels rotating parts that bearing is equipped with at 2 single channel rotating partss that inner wire is housed and 1 two ends.The single channel rotating parts that inner wire is housed is made up of inner wire 31, two semicircle dielectric support 33, outer conductor 32, housing 34 etc., inner wire 31 is installed in the inner wire detent in the housing 34 by the dielectric support 33 of two semicircles, guarantee coaxial requirement and intensity, inner wire can not deformed in rotation and process of the test influence performance, the end of inner wire 31 connects and outer conductor 32 fastening formation single channel rotating partss by screw thread or nut, and inner wire 31 is locking with outer conductor 32 screw threads or nut connecting portion set-point glue hole point glue.The binary channels rotating parts that bearing is equipped with at two ends comprises that bearing 41, circlip 42, end cap 43, two ends have parts such as the binary channels parts of hollow rotary shaft 44, outer conductor 45, and end cap 43,2 bearings 41, circlips 42 are inserted on the hollow rotary shaft 44 of the binary channels parts that two ends have rotating shaft successively.The binary channels rotating parts that bearing is equipped with at two ends is nested in the housing 34 of the single channel rotating parts that inner wire is housed can realize radial location, inner wire 31 gos deep in the hollow rotary shaft 44, adopt between the housing 34 of single channel rotating parts and the end cap 43 of binary channels rotating parts that screw is fastening can realize axial location, the binary channels rotating parts can rotate by bearing relatively with the single channel rotating parts, thereby form a paths of rotary joint, form as shown in Figure 5; The other end that the single channel rotating parts of inner wire and the binary channels rotating parts that bearing is equipped with at two ends will be housed is equally installed in a manner described, form another paths of rotary joint, thereby form two-way radio signal transmission passage, structurally link into an integrated entity and electric separate function when realizing transmission multi-channel rf signal.By 2 single channel rotating parts and 1 common double channels microwave rotary joints of forming of binary channels rotating parts that bearing is equipped with at two ends that inner wire is housed, owing to all can relatively rotate between each single channel rotating parts and binary channels rotating parts, the process that the double channels microwave rotary joint shown in Fig. 6-9 rotates a circle can be formed, the rotation of 360 ° of scopes can be realized.
Equally, as shown in figure 10, the single channel rotating parts that inner wire is housed also can adopt two ends that the bearing type of the binary channels rotating parts of bearing is housed, as shown in figure 11, the inner wire form of the single channel rotating parts that inner wire is housed also can be adopted in the two ends that the binary channels rotating parts of bearing is equipped with at two ends, the two ends that the binary channels rotating parts of bearing is equipped with at two ends also can an end adopt form, the other end that bearing is housed to adopt the form that inner wire is housed, and above-mentioned five kinds of forms can be according to the assembling of how much carrying out multiple combination of required microwave rotary joint number of channels.For example 2 single channel rotating partss that bearing is housed and 1 two ends binary channels rotating parts that inner wire is housed can constitute two passage microwave rotary joints, and binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that 1 single channel rotating parts that bearing is housed, 1 two ends are equipped with bearing and inner wire respectively also can constitute two passage microwave rotary joints jointly; 1 single channel rotating parts that bearing is housed, 1 two ends are equipped with binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that the binary channels rotating parts of inner wire, 1 two ends be equipped with bearing and are constituted the triple channel microwave rotary joint jointly; Binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that 1 single channel rotating parts that bearing is housed, 2 two ends are equipped with bearing and inner wire respectively also can constitute the triple channel microwave rotary joint jointly.
Figure 12 shows a kind of 1 single channel rotating parts that bearing is housed, 1 two ends of adopting binary channels rotating parts and 1 common triple channel microwave rotary joint that constitutes of the single channel rotating parts that inner wire is housed that the binary channels rotating parts of inner wire, 1 two ends are equipped with bearing is housed, and the spin configuration after the triple channel rotary joint is installed as shown in figure 13.
The content that the utility model is not described in detail is a technology as well known to those skilled in the art.
Claims (10)
1, a kind of multichannel microwave rotary joint, it is characterized in that comprising: the single channel rotating parts of bearing or inner wire and two ends are housed the binary channels rotating parts that inner wire is equipped with at bearing or two ends is housed, the binary channels rotating parts nested inside that inner wire is equipped with at two ends is equipped with the single channel rotating parts and the axial restraint of bearing, the binary channels rotating parts that inner wire is equipped with at two ends is enclosed within the inner and axial restraint of the single channel rotating parts that bearing is housed, and the single channel rotating parts that bearing or inner wire be housed and two ends are equipped with the binary channels rotating parts that bearing or two ends inner wire is housed and are rotated by bearing is relative.
2, a kind of multichannel microwave rotary joint according to claim 1, it is characterized in that: on described its hollow rotary shaft of single channel rotating parts that bearing is housed 2 bearings are installed, two ends are equipped with on two hollow rotary shafts of binary channels rotating parts of bearing 2 bearings respectively are installed.
3, a kind of multichannel microwave rotary joint according to claim 1, it is characterized in that: described its inner wire of single channel rotating parts that inner wire is housed is installed in by the dielectric support of two semicircles in the detent of inner wire and with outer conductor and is connected, and each dielectric support by two semicircles of inner wire that its both-end of binary channels rotating parts of inner wire is equipped with at two ends is installed in the detent of inner wire and with outer conductor and is connected.
4, a kind of multichannel microwave rotary joint according to claim 1 is characterized in that: described 2 single channel rotating partss that bearing is housed and 1 two ends are equipped with the binary channels rotating parts that the binary channels rotating parts of inner wire, 2 single channel rotating partss that inner wire is housed and 1 two ends bearing is housed and are constituted two passage microwave rotary joints respectively.
5, a kind of multichannel microwave rotary joint according to claim 1 is characterized in that: described 1 single channel rotating parts that bearing is housed, 1 two ends are equipped with binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that the binary channels rotating parts of inner wire, 1 two ends be equipped with bearing and are constituted the triple channel microwave rotary joint jointly.
6, a kind of multichannel microwave rotary joint, it is characterized in that comprising: the single channel rotating parts of bearing or inner wire and the binary channels rotating parts that two ends are equipped with bearing and inner wire respectively are housed, two ends be equipped with respectively bearing and inner wire the binary channels rotating parts its nested single channel rotating parts and axial restraint that bearing is housed of end of inner wire is housed, the end that bearing is housed is enclosed within the inner and axial restraint of the single channel rotating parts that inner wire is housed, and the single channel rotating parts that bearing or inner wire are housed rotates by bearing is relative with the binary channels rotating parts that two ends are equipped with bearing and inner wire respectively.
7, a kind of multichannel microwave rotary joint according to claim 6, it is characterized in that: on described its hollow rotary shaft of single channel rotating parts that bearing is housed 2 bearings are installed, its inner wire of single channel rotating parts that inner wire is housed is installed in by the dielectric support of two semicircles in the detent of inner wire and with outer conductor and is connected.
8, a kind of multichannel microwave rotary joint according to claim 6, it is characterized in that: described two ends be equipped with respectively bearing and inner wire the binary channels rotating parts its be equipped with 2 bearings be installed on the hollow rotary shaft of bearing one end, its inner wire of an end that inner wire is housed is installed in by the dielectric support of two semicircles in the detent of inner wire and with outer conductor and is connected.
9, a kind of multichannel microwave rotary joint according to claim 6 is characterized in that: described 1 single channel rotating parts that bearing is housed, 1 two ends are equipped with respectively that the binary channels rotating parts of bearing and inner wire and 1 single channel rotating parts that inner wire is housed are common to constitute two passage microwave rotary joints.
10, a kind of multichannel microwave rotary joint according to claim 6 is characterized in that: binary channels rotating parts and 1 single channel rotating parts that inner wire is housed that described 1 single channel rotating parts that bearing is housed, 2 two ends are equipped with bearing and inner wire respectively constitute the triple channel microwave rotary joint jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242402U CN201298582Y (en) | 2008-12-03 | 2008-12-03 | Multichannel microwave rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242402U CN201298582Y (en) | 2008-12-03 | 2008-12-03 | Multichannel microwave rotary joint |
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| Publication Number | Publication Date |
|---|---|
| CN201298582Y true CN201298582Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201242402U Expired - Lifetime CN201298582Y (en) | 2008-12-03 | 2008-12-03 | Multichannel microwave rotary joint |
Country Status (1)
| Country | Link |
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| CN (1) | CN201298582Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468525A (en) * | 2011-08-25 | 2012-05-23 | 中国船舶重工集团公司第七二四研究所 | Realizing method of high-isolation degree design of microwave multi-path rotary hinge channels |
| CN103594769A (en) * | 2013-11-08 | 2014-02-19 | 南京友乔电子科技有限公司 | Self-adaptation variable polarization power divider |
| CN112909450A (en) * | 2020-12-21 | 2021-06-04 | 中国电子科技集团公司第三十八研究所 | Satellite-borne dual-band four-channel rotary joint |
| CN114678667A (en) * | 2022-03-31 | 2022-06-28 | 中国电子科技集团公司第十四研究所 | Multi-path microwave rotary joint assembling equipment and assembling method |
| CN115799777A (en) * | 2022-08-19 | 2023-03-14 | 西安空间无线电技术研究所 | Double-channel coaxial antenna rotary joint |
-
2008
- 2008-12-03 CN CNU2008201242402U patent/CN201298582Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468525A (en) * | 2011-08-25 | 2012-05-23 | 中国船舶重工集团公司第七二四研究所 | Realizing method of high-isolation degree design of microwave multi-path rotary hinge channels |
| CN103594769A (en) * | 2013-11-08 | 2014-02-19 | 南京友乔电子科技有限公司 | Self-adaptation variable polarization power divider |
| CN103594769B (en) * | 2013-11-08 | 2017-11-14 | 南京友乔电子科技有限公司 | Adaptive variable polarization power divider |
| CN112909450A (en) * | 2020-12-21 | 2021-06-04 | 中国电子科技集团公司第三十八研究所 | Satellite-borne dual-band four-channel rotary joint |
| CN112909450B (en) * | 2020-12-21 | 2021-11-05 | 中国电子科技集团公司第三十八研究所 | Satellite-borne dual-band four-channel rotary joint |
| CN114678667A (en) * | 2022-03-31 | 2022-06-28 | 中国电子科技集团公司第十四研究所 | Multi-path microwave rotary joint assembling equipment and assembling method |
| CN114678667B (en) * | 2022-03-31 | 2024-01-23 | 中国电子科技集团公司第十四研究所 | Multi-path microwave rotary joint assembly equipment and assembly method |
| CN115799777A (en) * | 2022-08-19 | 2023-03-14 | 西安空间无线电技术研究所 | Double-channel coaxial antenna rotary joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Wenhui Inventor after: Song Jianming Inventor after: Xu Zhi Inventor after: Shi Ming Inventor after: Yang Huijie Inventor after: Zhang Chun Inventor after: Zhang Xuegang Inventor before: Zhang Wenhui Inventor before: Song Jianming Inventor before: Xu Zhi Inventor before: Shi Min Inventor before: Yang Huijie Inventor before: Zhang Chun Inventor before: Zhang Xuegang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG WENHUI SONG JIANMING XU ZHI SHI MIN YANG HUIJIE ZHANG CHUN ZHANG XUEGANG TO: ZHANG WENHUI SONG JIANMING XU ZHI SHI MING YANG HUIJIE ZHANG CHUN ZHANG XUEGANG |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |