CN214254684U - Multi-channel rotary joint - Google Patents
Multi-channel rotary joint Download PDFInfo
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- CN214254684U CN214254684U CN202120425950.4U CN202120425950U CN214254684U CN 214254684 U CN214254684 U CN 214254684U CN 202120425950 U CN202120425950 U CN 202120425950U CN 214254684 U CN214254684 U CN 214254684U
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- coupling plate
- stator
- inner conductor
- rotary joint
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Abstract
The utility model discloses a multichannel rotary joint, which comprises a stator shell and a rotor shell rotating relative to the stator shell, wherein a rotating shaft rod is arranged in the rotor shell, a coupling plate A and a coupling plate B are arranged on the rotating shaft rod, the coupling plate A is connected with a power sub-plate A, and the power sub-plate A is connected with an inner conductor A; the coupling plate B is connected with an active section B, and the active section B is connected with an inner conductor B; the coupling plate A and the coupling plate B are both non-fixedly connected with the rotating shaft rod so as to adjust the relative distance and the parallelism between the coupling plate A and the coupling plate B. The utility model provides a product bandwidth narrow, the low defect of isolation, through enlarge the bandwidth and improve the isolation, transmit the signal accuracy when using.
Description
Technical Field
The utility model relates to a microwave signal transmission technical field particularly, relates to a multichannel rotary joint.
Background
The microwave rotary joint is a connecting device for realizing radio frequency signal transmission between two relative rotating mechanisms, and is mainly used for keeping the radio frequency signals to be continuously transmitted to a fixed platform in the 360-degree infinite continuous rotating process of a continuous rotating platform. At present, the bandwidth of the existing domestic rotary joint product with the same structure is narrow, in practical use, the isolation between channels is 40-60 dB, and after the rotary joint product is used for a period of time, the isolation is reduced, so that signals between the channels are mutually interfered, and the signals cannot be accurately transmitted.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a multichannel rotary joint can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
a multi-channel rotary joint comprises a stator shell and a rotor shell rotating relative to the stator shell, wherein a rotating shaft rod is arranged in the rotor shell, a coupling plate A and a coupling plate B are arranged on the rotating shaft rod, the coupling plate A is connected with a power sub-plate A, and the power sub-plate A is connected with an inner conductor A; the coupling plate B is connected with an active section B, and the active section B is connected with an inner conductor B; the coupling plate A and the coupling plate B are both non-fixedly connected with the rotating shaft rod so as to adjust the relative distance and the parallelism between the coupling plate A and the coupling plate B.
Furthermore, an elastic isolating ring is arranged at the joint of the rotating shaft rod and the stator shell.
Furthermore, one end of the stator shell, which is opposite to the end of the rotor shell, is provided with a stator cover plate and a rotor cover plate, the rotor cover plate is provided with the rotating shaft rod, a bearing A is arranged between the rotor shell and the stator shell, and the stator cover plate is provided with a bearing B which is sleeved with the rotating shaft rod.
Furthermore, a first through hole perpendicular to the axial direction of the rotating shaft rod is formed in the stator shell, and the inner conductor A is located in the first through hole.
Furthermore, a second through hole parallel to the axial direction of the rotating shaft rod is formed in the rotor cover plate, and the inner conductor B is located in the second through hole.
Further, a medium a is disposed between the inner conductor a and the first through hole.
Further, a medium F is disposed between the inner conductor B and the second through hole.
The utility model has the advantages that:
1. the utility model discloses a relative distance and the depth of parallelism of adjustment coupling version expand the bandwidth to 20% by 8%, have improved test frequency's scope, have solved the defect that product bandwidth is narrow, and the isolation is low.
2. The utility model discloses add the elastic isolation ring in rotation axis and stator case junction, improve the isolation 80-90 dB by 40-60 dB. By enlarging the bandwidth and improving the isolation, the signals are accurately transmitted when the device is used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 is a schematic view of a multi-channel rotary joint.
In the figure: 1. stator housing, 2, N type housing, 3, inner conductor A, 4, medium A, 5, medium B, 6, power split A, 7, medium C, 8, medium D, 9, coupling plate A, 10, rotor housing, 11, coupling plate B, 12, medium E, 13, power split B, 14, inner conductor B, 15, medium F, 16, SMA housing, 17, shaft lever, 18, rotor cover plate, 19, bearing A, 20, elastic isolating ring, 21, bearing B, 22, stator cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1, according to the embodiment of the present invention, a multi-channel rotary joint includes a stator housing 1 and a rotor housing 10 rotating relative to the stator housing 1, a rotating shaft rod 17 is disposed in the rotor housing 10, a coupling plate a9 and a coupling plate B11 are disposed on the rotating shaft rod 17, the coupling plate a9 is connected to an active component a6, and the active component a6 is connected to an inner conductor A3; the coupling board B11 is connected with a power segment B13, and the power segment B13 is connected with an inner conductor B14; the coupling plate a9 and the coupling plate B11 are both non-fixedly connected with the spindle shaft 17 in order to adjust the relative distance and parallelism between the coupling plate a9 and the coupling plate B11.
In one embodiment of the present invention, the junction of the shaft 17 and the stator housing 1 is provided with an elastic isolation ring 20.
In a specific embodiment of the present invention, the one end of stator housing 1 and rotor housing 10 back to the back sets up respective one end and is provided with stator cover plate 22 and rotor cover plate 18, be provided with on the rotor cover plate 18 the pivot pole 17, rotor housing 10 with be provided with bearing a19 between stator housing 1, be provided with on the stator cover plate 22 and cup joint the bearing B21 of pivot pole 17.
In an embodiment of the present invention, the stator housing 1 is provided with a first through hole perpendicular to the axial direction of the spindle shaft 17, and the inner conductor a3 is located in the first through hole.
In an embodiment of the present invention, the rotor cover 18 is provided with a second through hole parallel to the axial direction of the rotating shaft rod 17, and the inner conductor B14 is located in the second through hole.
In a specific embodiment of the present invention, a medium a4 is disposed between the inner conductor A3 and the first via.
In a specific embodiment of the present invention, a medium F15 is disposed between the inner conductor B14 and the second through hole.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
Assembling a stator end:
medium a4 was loaded into the N-type housing 2;
pressing inner conductor A3 into medium a 4;
connecting the N-shaped shell 2 with the stator shell 1 by using screws;
crimping the elastic spacer ring 20 to the stator housing 1;
placing medium D8 into stator housing 1;
connecting the power segment A6 with the inner conductor A3 and secured to the medium D8 through medium C7;
connecting the coupling plate A9 with the power dividing piece A6;
covering the medium B5 on the power dividing piece A6;
pressing bearing B21 into stator cover plate 22;
connecting the stator cover plate 22 with the stator housing 1;
assembling a rotor end:
screwing the SMA housing 16 to the rotor cover plate 18;
securing the shaft 17 to the rotor cover plate 18;
sleeving the bearing A19 on the rotor shell 10;
placing medium E12 in rotor housing 10;
connecting the power segment B13 with the inner conductor B14 and being secured to the medium E12 by the medium C7;
connecting the coupling plate B11 with a power dividing piece B13;
sleeving a medium F15 on the inner conductor B14;
covering the power dividing sheet B13 with a medium B5, and connecting the rotor cover plate 18 with the rotor shell 10;
the final assembly part:
the rotor end and the stator end are connected to form a single-channel joint, and then a plurality of single-channel joints are superposed to form a multi-channel joint
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A multi-channel rotary joint comprises a stator shell (1) and a rotor shell (10) rotating relative to the stator shell (1), and is characterized in that a rotating shaft rod (17) is arranged in the rotor shell (10), a coupling plate A (9) and a coupling plate B (11) are arranged on the rotating shaft rod (17), the coupling plate A (9) is connected with an active slice A (6), and the active slice A (6) is connected with an inner conductor A (3); the coupling plate B (11) is connected with an active slice B (13), and the active slice B (13) is connected with an inner conductor B (14); the coupling plate A (9) and the coupling plate B (11) are both non-fixedly connected with the rotating shaft rod (17) so as to adjust the relative distance and parallelism between the coupling plate A (9) and the coupling plate B (11).
2. Multi-channel rotary joint according to claim 1, characterized in that the connection of the spindle shaft (17) to the stator housing (1) is provided with an elastic spacer ring (20).
3. The multi-channel rotary joint according to claim 2, wherein a stator cover plate (22) and a rotor cover plate (18) are respectively arranged at one end of the stator housing (1) opposite to the one end of the rotor housing (10), the rotor cover plate (18) is provided with the rotating shaft rod (17), a bearing A (19) is arranged between the rotor housing (10) and the stator housing (1), and a bearing B (21) sleeved with the rotating shaft rod (17) is arranged on the stator cover plate (22).
4. A multi-channel rotary joint according to claim 3, wherein the stator housing (1) is provided with a first through hole perpendicular to the axial direction of the spindle shaft (17), and the inner conductor a (3) is located in the first through hole.
5. A multi-channel rotary joint according to claim 3, wherein the rotor cover plate (18) is provided with a second through hole parallel to the axial direction of the rotary shaft (17), and the inner conductor B (14) is located in the second through hole.
6. Multi-channel rotary joint according to claim 4, characterized in that a medium A (4) is arranged between the inner conductor A (3) and the first through hole.
7. Multi-channel rotary joint according to claim 5, characterized in that a medium F (15) is provided between the inner conductor B (14) and the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120425950.4U CN214254684U (en) | 2021-02-26 | 2021-02-26 | Multi-channel rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120425950.4U CN214254684U (en) | 2021-02-26 | 2021-02-26 | Multi-channel rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254684U true CN214254684U (en) | 2021-09-21 |
Family
ID=77728307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120425950.4U Active CN214254684U (en) | 2021-02-26 | 2021-02-26 | Multi-channel rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838340A (en) * | 2021-02-26 | 2021-05-25 | 北京然载通讯科技有限公司 | Multi-channel rotary joint |
-
2021
- 2021-02-26 CN CN202120425950.4U patent/CN214254684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838340A (en) * | 2021-02-26 | 2021-05-25 | 北京然载通讯科技有限公司 | Multi-channel rotary joint |
| CN112838340B (en) * | 2021-02-26 | 2024-08-27 | 北京然载通讯科技有限公司 | Multi-channel rotary joint |
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