CN206194925U - Single channel microwave rotary joint and multichannel microwave rotary joint - Google Patents
Single channel microwave rotary joint and multichannel microwave rotary joint Download PDFInfo
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- CN206194925U CN206194925U CN201621298492.8U CN201621298492U CN206194925U CN 206194925 U CN206194925 U CN 206194925U CN 201621298492 U CN201621298492 U CN 201621298492U CN 206194925 U CN206194925 U CN 206194925U
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- rotary joint
- single channel
- movable housing
- stationary housings
- microwave rotary
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Abstract
The utility model discloses a single channel microwave rotary joint and multichannel microwave rotary joint, single channel microwave rotary joint include static casing and the moving shell body, and the little head of the moving shell body is the rotation axis and is equipped with an axially extending bore along the axial, and big head is equipped with first installation cavity, and static casing is equipped with the 2nd axially extending bore, and a static casing terminal surface is equipped with a coupled cavity and second installation cavity, and another terminal surface is equipped with the third installation cavity, the rotation axis runs through the 2nd axially extending bore and its big head lid closes in order to seal the coupled cavity on the coupled cavity, and static casing is through setting up a bearing and moving shell body coupling in the second installation cavity, be equipped with merit subnetwork member more than a minute and be connected with the input coaxial line in the third installation cavity, be connected with the first circular coupling plate who sets up in the coupled cavity through the first signal transmission pole, be equipped with in first installation cavity and unify merit subnetwork member more, unify merit subnetwork member more and be connected with the circular coupling plate of second through the 2nd signal transmission pole, be connected with the output coaxial line, its structure size is little, the reliability is high.
Description
Technical field
The utility model is related to microwave signal transmission technical field, particularly a kind of multichannel for various rotable antennas
Microwave rotary joint.
Background technology
Using relatively more in rotable antenna of the microwave current rotary joint in radar and communication, L, C, S, X, Ku are commonly used in
Wave band etc., structure type is generally single channel, is also that structure type is answered even if there is the rotary joint using binary channels or multichannel
Miscellaneous, physical dimension is big, and processing request is high, and difficulty is big, and performance is difficult to ensure that.
Utility model content
The technical problems to be solved in the utility model is：A kind of single channel microwave rotary joint is provided, to overcome existing list
Passage microwave rotary joint physical dimension is big, and processing request is high, and difficulty is big, the shortcoming that performance is difficult to ensure that, and using this
Single channel microwave rotary joint lamination forms Multichannel microwave rotary joint, so as to realize modularization, microwave is rotated with meeting
The diversified installation requirement in joint.
To achieve these goals, the utility model is adopted the technical scheme that：A kind of single channel microwave rotary joint, bag
A stationary housings 1 and a movable housing 2 are included, the movable housing 2 is in bead shape, and the small head of the movable housing 2 is rotary shaft
2-1 is simultaneously provided with the first axially extending bore 2-2 vertically, and the enlarged head of the movable housing is provided with the first installation cavity 2-3, the static shell
Body 1 is provided with the second axially extending bore so that the rotary shaft 2-1 of movable housing 2 is inserted along its length, the stationary housings 1 with
The relative end face of movable housing 2 is provided with a coupler 1-1 and is centered around the second installation cavity 1-2 of coupler 1-1 peripheries, described
The end face opposite with movable housing 2 of stationary housings 1 is provided with the 3rd installation cavity 1-3；The rotary shaft 2-1 of the movable housing 2 is passed through
Wear the second axially extending bore and its enlarged head cover on coupler 1-1 to close coupler 1-1, the stationary housings 1 by
A bearing 3 is set in second installation cavity 1-2 to be connected with movable housing 2 with so that movable housing 2 can revolve relative to stationary housings 1
Turn；Be provided with power division network component 4 more than a point in the 3rd installation cavity 1-3, the input of the power division network component 4 more than a point with
The one input coaxial line 5 being arranged in stationary housings 1 is connected, multiple output ends difference of the power division network component 4 more than a point
It is connected with the first circular coupling plate 7 being arranged in coupler 1-1 by one first signal transmission bar 6, in the first installation cavity 2-3
In be provided with All-in-One power division network component 8, multiple inputs of the All-in-One power division network component 8 are respectively by one second letter
Number transmission pole 9 is connected with the second circular coupling plate 10 being arranged in coupler 1-1, the All-in-One power division network component 8
The output coaxial cable 11 of the first axially extending bore 2-2 that output end runs through movable housing 2 with is connected, the described first circular coupling plate
7 spatially intercouple with the second circular coupling plate 8.
Further, the end edge edge relative with movable housing 2 of the stationary housings 1 is provided with two first connecting portions
15, the end edge opposite with movable housing 2 of the stationary housings 1 sets two second connecting portions 16 on.Specifically, first connects
Socket part 15 and second connecting portion 16 are screwed hole connecting portion, and above input coaxial line 5 and output coaxial cable 11 are coaxial penetrating
Frequency CA cable assembly.
A kind of Multichannel microwave rotary joint, including N number of single channel microwave rotary joint, N number of single channel microwave rotation
Heap sets and the first axially extending bore of movable housing coaxially leads to so as to form one in N number of single channel microwave rotary joint layer by layer to turn joint
Road, the output coaxial cable in N number of single channel microwave rotary joint drawn from the passage and N number of output coaxial cable horizontal stroke
Sectional area sum less than the first axially extending bore cross-sectional area, the of stationary housings in the M+1 single channel microwave rotary joint
One connecting portion is fixedly connected with the second connecting portion of stationary housings in m-th single channel microwave rotary joint, wherein, N, M are whole
Number, 2≤N, 1≤M≤N-1.
Compared with prior art, the beneficial effects of the utility model are：Overcome existing single channel microwave rotary joint knot
Structure size is big, and processing request is high, and difficulty is big, the shortcoming that performance is difficult to ensure that, and using the single channel microwave rotary joint
Lamination forms Multichannel microwave rotary joint, and so as to realize modularization, being installed with the variation met to microwave rotary joint will
Ask.
Brief description of the drawings
Fig. 1 show the structural representation of the single channel microwave rotary joint in the utility model；
Fig. 2 show the structural representation of power division network component more than a point in the utility model；
Fig. 3 show the structural representation of the triple channel microwave rotary joint in the utility model.
In figure, stationary housings 1, coupler 1-1, the second installation cavity 1-2, the 3rd installation cavity 1-3, movable housing 2, rotary shaft
2-1, the first axially extending bore 2-2, the first installation cavity 2-3, power division network component 4 more than a point, bearing 3 is input into coaxial line 5, first
Signal transmission bar 6, the first circular coupling plate 7, All-in-One power division network component 8, secondary signal transmission pole 9, the second circular coupling
Plate 10, output coaxial cable 11, the first cover plate 13, the second cover plate 14, first connecting portion 15 and second connecting portion 16.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines specific embodiment, is further elaborated.
A kind of single channel microwave rotary joint of embodiment 1, with reference to Fig. 1, including a stationary housings 1 and a movable housing 2,
The movable housing 2 is in bead shape, and the small head of the movable housing 2 is rotary shaft 2-1 and is provided with the first axially extending bore vertically
2-2, the enlarged head of the movable housing is provided with the first installation cavity 2-3, and the stationary housings 1 are provided with second axially along its length
Through hole is inserted for the rotary shaft 2-1 of movable housing 2, and the end face relative with movable housing 2 of the stationary housings 1 is provided with a coupling
Close chamber 1-1 and be centered around coupler 1-1 periphery the second installation cavity 1-2, the stationary housings 1 it is opposite with movable housing 2
End face be provided with the 3rd installation cavity 1-3；The rotary shaft 2-1 of the movable housing 2 is through the second axially extending bore and its enlarged head lid
Close on coupler 1-1 to close coupler 1-1, the stationary housings 1 in the second installation cavity 1-2 by setting a bearing 3
It is connected with movable housing 2 with so that movable housing 2 can rotate relative to stationary housings 1；One point is provided with the 3rd installation cavity 1-3
Many power division network components 4, the input that the input of the power division network component 4 more than a point is arranged in stationary housings 1 with is same
Axis 5 is connected, and multiple output ends of the power division network component 4 more than a point are respectively by one first signal transmission bar 6 and setting
The first circular coupling plate 7 in coupler 1-1 is connected, and All-in-One power division network component 8 is provided with the first installation cavity 2-3,
Multiple inputs of the All-in-One power division network component 8 pass through a secondary signal transmission pole 9 and are arranged on coupler 1-1 respectively
In the second circular coupling plate 10 connect, the output end of the All-in-One power division network component 8 with one through the of movable housing 2
The output coaxial cable 11 of one axially extending bore 2-2 is connected, and the described first circular circular coupling plate 10 of coupling plate 7 and second is spatially
Intercouple.Signal is input into and by power division network component 4 more than a point and the first signal transmissions of Duo Gen bar 6 from input coaxial line 5
The signal is changed into multi-point signal, uniform feed to the first circular coupling plate 7；Second circular coupling plate 10 is by All-in-One work(point
Multi-point signal is changed into some signal feeds to output coaxial cable 11 by network structure 8 and Duo Gen secondary signals transmission pole 9, and is passed through
Output coaxial cable 11 is exported, because the first circular circular coupling plate 10 of coupling plate 7 and second is realized by spatial coupling, the
One circular coupling plate 7 is connected with the second circular coupling plate 10 without structural member, and the first circular circular coupling of coupling plate 7 and second
Plate 10 is circular configuration, therefore during the first circular circle of coupling plate 7 and second 10 each spinning of coupling plate, does not interfere with microwave letter
Number transmission.
The power division network component more than one point and All-in-One power division network component are prior art, the work(more than one point point
Network structure 4 can be one point of four power division network component, and the All-in-One power division network component 8 can be four-in-one power division network
Component；One point of four power division network component is connected by four first signal transmission bars 6 with the first circular coupling plate 7, described
Second circular coupling plate 10 is connected by four secondary signal transmission poles 9 with four-in-one power division network component 8, the first circular coupling
The circular coupling plate 10 of plywood 7 and second passes through space propagation signal；By one point of four power division network component and four first signals
Transmission pole 6 will be input into the signal that is input into of coaxial line 5 and be changed into 4 signals, uniform feed to the first circular coupling plate 7；Second is circular
4 signals are changed into some signal feeds by coupling plate 10 by All-in-One four network structures of public affairs and four secondary signal transmission poles 9
Exported to output coaxial cable 11 and by output coaxial cable 11, with reference to Fig. 2, disclose one point of four power division network component or four conjunctions
A kind of planform of one power division network component, it is only for reference, without limiting protection domain of the present utility model.
Formed because stationary housings and movable housing are metal material, it is conductive, in the course of work, do not allow one
Many power division network components 4, first the 6, first circular circular coupling plate 10, secondary signal of coupling plate 7, second of signal transmission bar are divided to pass
Defeated bar 9 and All-in-One power division network component 8 are contacted with stationary housings or movable housing, if contact can lead to not normal work
Make, because movable housing 2 is rotation, vibration can be produced during operation, in order to improve the stability and reliability of microwave rotary joint
Property, the input coaxial line 5 is arranged on after the first through hole of stationary housings side the power division network component 4 more than a point through one
Input connect, insulating part 12a is provided with the first through hole so that input coaxial line 8 isolate fixation with stationary housings 1, it is described
Power division network component 4 more than one point isolates fixation by setting insulating part 12b in the 3rd installation cavity 1-3 with stationary housings 1, each
First signal transmission bar 6 through second through hole being arranged in stationary housings 1 and be provided with insulating part 12c in the second through hole so that
Each first signal transmission bar 6 isolates fixation with stationary housings 1, the described first circular coupling plate 7 by with the first signal transmission
The mode that bar 6 is fixedly connected vacantly is arranged in coupler 1-1, and the mode of being fixedly connected is preferably welding；Described second circular coupling
Plywood 10 is vacantly arranged in coupler 1-1 by way of being fixedly connected with secondary signal transmission pole 9, is fixedly connected mode excellent
Elect welding as；Each secondary signal transmission pole 9 is provided with through a third through-hole being arranged on movable housing 2 and in third through-hole
So that each secondary signal transmission pole 9 isolates fixation with movable housing 2, the All-in-One power division network component 8 leads to insulating part 12d
Cross the setting insulating part 12e in the first installation cavity 2-3 and isolate fixation with movable housing 2, above-mentioned insulating part takes insulating materials, root
Different insulating materials are chosen according to concrete condition.
In order to further improve the stability and reliability of microwave rotary joint, above-mentioned single channel microwave rotary joint includes
First cover plate 13 and the second cover plate 14, are respectively equipped with a resigning through hole, described on the cover plate 14 of first cover plate 13 and second
One cover plate 13 is removable to be covered on the end opposite with movable housing 2 of stationary housings 1 to seal the 3rd installation cavity 1-3, institute
State the rotary shaft 2-1 of movable housing 2 through the resigning through hole of the first cover plate 13；Second cover plate 14 is removable to be covered in activity
To seal the first installation cavity 2-3 on housing 2, the resigning through hole of second cover plate 14 and the first axially extending bore of movable housing 2
2-2 is coaxially disposed, and removable covering can specifically be covered using screw.
On the basis of embodiment 1, the end edge relative with movable housing 2 of the stationary housings 1 is along upper for embodiment 2
Two first connecting portions 15 are provided with, the end edge opposite with movable housing 2 of the stationary housings 1 sets two second connections on
Portion 16.Specifically, first connecting portion 15 and second connecting portion 16 are screwed hole connecting portion, above input coaxial line 5 and output are same
Axis 11 is coaxial radio-frequency cable component.
Embodiment 3 is based in the technical scheme of the single channel microwave rotary joint of embodiment 2, the utility model proposes
A kind of Multichannel microwave rotary joint, including N number of single channel microwave rotary joint, N number of single channel microwave rotary joint layer
Layer heap set and in N number of single channel microwave rotary joint movable housing the first axially extending bore it is coaxial so as to form a passage, the N
Output coaxial cable in individual single channel microwave rotary joint drawn from the passage and N number of output coaxial cable cross-sectional area it
With the cross-sectional area less than the first axially extending bore, the first connecting portion of stationary housings in the M+1 single channel microwave rotary joint
Second connecting portion with stationary housings in m-th single channel microwave rotary joint is fixedly connected, wherein, N, M be integer, 2≤N,
1≤M≤N-1。
With reference to Fig. 3, a kind of triple channel microwave rotary joint is shown, including three single channel microwave rotary joints (A, B,
C), three single channel microwave rotary joints (A, B, C) heap sets and in three single channel microwave rotary joints (A, B, C) layer by layer
The coaxial 2-2 of first axially extending bore of movable housing 2 so as to form a passage, three single channel microwave rotary joints (A, B,
C the output coaxial cable 11 in) is drawn from the passage and three cross-sectional area sums of output coaxial cable 11 are less than first axle
To the cross-sectional area of through hole, the first connecting portion 15 and first list of stationary housings in second single channel microwave rotary joint B
The second connecting portion 16 of stationary housings 1 is fixedly connected in passage microwave rotary joint A, the 3rd single channel microwave rotary joint C
The second connecting portion 16 of stationary housings 1 in the first connecting portion 15 of middle stationary housings 1 and second single channel microwave rotary joint B
It is fixedly connected, the above-mentioned mode being fixedly connected is fixed for screw.
The utility model is by the mentality of designing using coaxial stacked so that rotation joint structure is compact, size is small, turns
Dynamic stability and electrical property stationarity is high, can be suitable for the radar system with maneuvering characteristics high, with ring higher
Border adaptability, reliability is high, and physical dimension is smaller.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of single channel microwave rotary joint, it is characterised in that including a stationary housings and a movable housing, the active shell
Body is in bead shape, and the small head of the movable housing is rotary shaft and is provided with the first axially extending bore vertically, the movable housing it is big
Head is provided with the first installation cavity, and the stationary housings are provided with the second axially extending bore for the rotation of movable housing along its length
Axle is inserted, and the end face relative with movable housing of the stationary housings is provided with a coupler and is centered around the of coupler periphery
Two installation cavitys, the end face opposite with movable housing of the stationary housings is provided with the 3rd installation cavity；The rotation of the movable housing
Through the second axially extending bore, its enlarged head covers on coupler to close coupler axle, and the stationary housings are by second
A bearing is set in installation cavity to be connected to cause that movable housing can rotate relative to stationary housings with movable housing；Installed the 3rd
Power division network component more than one point is provided with chamber, the input and of the power division network component more than a point is arranged in stationary housings
The connection of input coaxial line, multiple output ends of the power division network component more than a point respectively by one first signal transmission bar with
The first circular coupling plate connection in coupler is arranged on, All-in-One power division network component is provided with the first installation cavity, it is described
Multiple inputs of All-in-One power division network component are respectively by a secondary signal transmission pole and second be arranged in coupler
Circular coupling plate connection, the first axially extending bore that the output end of the All-in-One power division network component runs through movable housing with
Output coaxial cable is connected, and the described first circular coupling plate spatially intercouples with the second circular coupling plate.
2. single channel microwave rotary joint as claimed in claim 1, it is characterised in that the input coaxial line is set through
The input of power division network component is connected more than one point after the first through hole of stationary housings side, is provided with the first through hole
Insulating part isolates fixation with stationary housings so as to be input into coaxial line, and the power division network component more than a point is by the 3rd installation cavity
Middle setting insulating part isolates fixation with stationary housings, and each first signal transmission bar is arranged on second in stationary housings through one
Insulating part is provided with through hole and the second through hole so that each first signal transmission bar isolates fixation, first circle with stationary housings
Shape coupling plate is vacantly arranged in coupler by way of being fixedly connected with the first signal transmission bar；Described second circular coupling
Plate is vacantly arranged in coupler by way of being fixedly connected with secondary signal transmission pole；Each secondary signal transmission pole runs through
One third through-hole being arranged on movable housing and insulating part is provided with third through-hole so that each secondary signal transmission pole and work
Dynamic housing isolation is fixed, the All-in-One power division network component by set in the first installation cavity insulating part and movable housing every
From fixation.
3. single channel microwave rotary joint as claimed in claim 2, it is characterised in that the power division network component more than a point is
One point of four power division network component, the All-in-One power division network component is four-in-one power division network component.
4. the single channel microwave rotary joint as described in claim 1-3 any one, it is characterised in that the stationary housings
The end edge edge relative with movable housing is provided with two first connecting portions, the end opposite with movable housing of the stationary housings
Two second connecting portions are set on portion edge.
5. single channel microwave rotary joint as claimed in claim 4, it is characterised in that including the first cover plate and the second cover plate,
A resigning through hole is respectively equipped with first cover plate and the second cover plate, first cover plate is removable to be covered in stationary housings
To seal the 3rd installation cavity on the end opposite with movable housing, the rotary shaft of the movable housing passes through allowing for the first cover plate
Position through hole；Second cover plate is removable to be covered on movable housing to seal the first installation cavity, the resigning of second cover plate
Through hole is coaxially disposed with the first axially extending bore of movable housing.
6. a kind of Multichannel microwave rotary joint, based on the single channel microwave rotary joint described in claim 4 or 5, it is special
Levy and be, including N number of single channel microwave rotary joint, heap sets and N number of single channel N number of single channel microwave rotary joint layer by layer
The first axially extending bore of movable housing is coaxial so as to form a passage, N number of single channel microwave rotation in microwave rotary joint
Output coaxial cable in joint is drawn from the passage and the cross-sectional area sum of N number of output coaxial cable is axially logical less than first
The cross-sectional area in hole, the first connecting portion of stationary housings is micro- with m-th single channel in the M+1 single channel microwave rotary joint
The second connecting portion of stationary housings is fixedly connected in ripple rotary joint, wherein, N, M are integer, 2≤N, 1≤M≤N-1.
7. a kind of Multichannel microwave rotary joint as claimed in claim 6, it is characterised in that including three single channel microwaves rotations
Turn joint, heap sets and movable housing in three single channel microwave rotary joints three single channel microwave rotary joints layer by layer
First axially extending bore is coaxial so as to form a passage, and the output coaxial cable in three single channel microwave rotary joints is from this
Drawn in passage and three cross-sectional area sums of output coaxial cable less than the first axially extending bore cross-sectional area, second list
The first connecting portion of stationary housings and stationary housings in first single channel microwave rotary joint in passage microwave rotary joint
Second connecting portion is fixedly connected, the first connecting portion of stationary housings and second single-pass in the 3rd single channel microwave rotary joint
The second connecting portion of stationary housings is fixedly connected in road microwave rotary joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298492.8U CN206194925U (en) | 2016-11-29 | 2016-11-29 | Single channel microwave rotary joint and multichannel microwave rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298492.8U CN206194925U (en) | 2016-11-29 | 2016-11-29 | Single channel microwave rotary joint and multichannel microwave rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194925U true CN206194925U (en) | 2017-05-24 |
Family
ID=58725544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621298492.8U Active CN206194925U (en) | 2016-11-29 | 2016-11-29 | Single channel microwave rotary joint and multichannel microwave rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206194925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023146A (en) * | 2017-11-30 | 2018-05-11 | 北京无线电测量研究所 | A kind of disk rotary joint |
| CN112838340A (en) * | 2021-02-26 | 2021-05-25 | 北京然载通讯科技有限公司 | Multi-channel rotary joint |
-
2016
- 2016-11-29 CN CN201621298492.8U patent/CN206194925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023146A (en) * | 2017-11-30 | 2018-05-11 | 北京无线电测量研究所 | A kind of disk rotary joint |
| CN112838340A (en) * | 2021-02-26 | 2021-05-25 | 北京然载通讯科技有限公司 | Multi-channel rotary joint |
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