CN206992314U - It is a kind of to be layered the umbrella deployable antenna taken down the exhibits - Google Patents
It is a kind of to be layered the umbrella deployable antenna taken down the exhibits Download PDFInfo
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- CN206992314U CN206992314U CN201720818321.1U CN201720818321U CN206992314U CN 206992314 U CN206992314 U CN 206992314U CN 201720818321 U CN201720818321 U CN 201720818321U CN 206992314 U CN206992314 U CN 206992314U
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- sliding plate
- reflecting surface
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- small
- leading screw
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Abstract
It is a kind of to be layered the umbrella deployable antenna taken down the exhibits, it includes support plate, support bar, can open up part, drive part, part, which can wherein be opened up, includes 36 reflectings surface, and drive part includes 3 motors, 3 decelerators, small leading screw, middle leading screw, big leading screw, 12 long connecting rods, 12 middle connecting rods, 12 short connecting rods, 1 big sliding plate, 1 middle sliding plate and 1 small sliding plate.The utility model has the advantages that reflecting surface rigidity is big, wind loading rating is strong, reliability is high, taken down the exhibits than big, beneficial to realizing high maneuverability and good disguise.The antenna can be used for ground on-vehicle radar system and mobile communcations system.
Description
Technical field
The utility model belongs to communication antenna field, and more particularly to a kind of reflecting surface is the automatic antenna of taking down the exhibits of curved surface.
Background technology
It is effectively to launch and connect in the radio systems such as antenna is widely used in communicating, broadcasted, TV, radar and navigation
By the device that radio wave is essential.If ground military radar is wanted to obtain stronger survival ability in modern war, just necessary
With higher mobility.For the radar of curve antenna, in a non-operative state, huge antenna reflective face is to restrict thunder
Up to the principal element of mobility.In order that curve antenna can have good transport performance, again with quick behind arrival position
The performance in position is withdrawn from into working condition and rapidly, just antenna reflective face must be made to take down the exhibits, that is, be realized antenna reflective face exhibition
The device opened or collapsed is the key for realizing large aperture antenna radar high-speed maneuver.Existing Deployable antenna is firm due to reflecting surface
Spend limited, after reflecting surface is fully deployed, its stability reduces under external force, while to avoid during reflecting surface takes down the exhibits
There is collision and interference, reflecting surface takes down the exhibits speed can not be too high.Publication No. CN103872422B Chinese invention patent, it is open
A kind of fan-shaped deployable antenna, the antenna reflective face can be opened up part and solid face reflector is divided into two parts, so that
Reflecting surface rigidity decreases, and after antenna expansion, reflecting surface also weakens in external force load condition stability inferior.Therefore, energy is sought
Reflecting surface rapid deployment and gathering and the big antenna assembly of reflecting surface rigidity are realized, there is important actual application value.
The content of the invention
The purpose of this utility model is that providing one kind can realize that antenna reflective face is quickly taken down the exhibits and reflecting surface rigidity is big
The umbrella deployable antenna taken down the exhibits of layering.
The utility model includes support plate, support bar, 36 reflectings surface, 12 long connecting rods, 12 middle connecting rods, 12 short companies
Bar, big sliding plate, middle sliding plate, small sliding plate, 3 motors, 3 decelerators, small leading screw, middle leading screw, big leading screw.Wherein, big sliding plate, in
Sliding plate is identical with the structure of small sliding plate, and 12 uniform notches are equipped with the circumferential edge of each sliding plate, are all provided with each notch
Have a short axle, the center of each sliding plate is provided with diameter identical large through-hole, each sliding plate be provided with uniform macropore, mesopore and
Lead screw hole, 3 big sliding plate, middle sliding plate and small sliding plate sliding plates are sequentially sleeved on support bar from bottom to top by large through-hole thereon.
3 motors are connected with 3 decelerators respectively, and are uniformly fixed on the bar wall of support bar bottom, small leading screw, middle silk
One end of thick stick and big leading screw is connected with a decelerator respectively, and the other end of small leading screw is through the macropore on big sliding plate, middle sliding plate
With the lead screw hole on small sliding plate, its end and the bearing being fixed in support plate are rotatablely connected, small leading screw and the silk on small sliding plate
Thick stick hole coordinates, so as to only drive small sliding plate to move；The other end of middle leading screw passes through the mesopore on big sliding plate, the mesopore on small sliding plate
With the lead screw hole on middle sliding plate, its end and the bearing being fixed in support plate are rotatablely connected, and middle leading screw is with being located on middle sliding plate
Lead screw hole coordinate, so as to only drive in sliding plate move；The other end of big leading screw is through on the lead screw hole on big sliding plate, middle sliding plate
Mesopore and small sliding plate on macropore, its end and the bearing that is fixed in support plate be rotatablely connected, and big leading screw and is located at big cunning
Lead screw hole on disk coordinates, so as to only drive big sliding plate to move.
36 reflectings surface are divided into 3 groups, are small reflecting surface group, middle reflecting surface group, big reflecting surface group respectively, every group is wrapped
12 structure identical reflectings surface are included, wherein 12 small reflectings surface are evenly distributed in support plate, the bottom difference of small reflecting surface
Support plate edge is connected to by revolute pair, the middle part at the small reflecting surface back side is short by revolute pair and corresponding 12 respectively
One end connection of connecting rod, the other end of 12 short connecting rods are connected to by revolute pair in the short axle in the notch of small sliding plate respectively；
12 middle reflectings surface are evenly distributed in support plate, and the bottom of middle reflecting surface is connected to support plate edge by revolute pair respectively
Place, the middle part at the middle reflecting surface back side are connected by revolute pair with one end of 12 corresponding middle connecting rods respectively, 12 middle connecting rods
The other end be connected to respectively by revolute pair in the short axle in the notch of middle sliding plate；12 big reflecting surface is evenly distributed on support
On disk, the bottom of big reflecting surface is connected to support plate edge by revolute pair respectively, and the middle part at the big reflecting surface back side leads to respectively
One end that revolute pair is crossed with 12 corresponding long connecting rods is connected, and the other end of 12 long connecting rods is connected to by revolute pair respectively
In short axle in the notch of big sliding plate；The position that wherein three groups of reflectings surface are set in support plate edge is different, along support plate
Radial direction distributing order from-inner-to-outer be followed successively by small reflecting surface group, middle reflecting surface group, big reflecting surface group, along the circumference of support plate
Direction distributing order is followed successively by small reflecting surface, middle reflecting surface, big reflecting surface and circulated successively 12 times, and each reflecting surface is evenly distributed on
In support plate；36 reflectings surface in space form one 360 ° of reflecting surface after being fully deployed, wherein each small reflecting surface institute is right
It is 8 ° to answer central angle, and central angle corresponding to each middle reflecting surface is 10 °, and central angle corresponding to each big reflecting surface is 12 °.
Forms of motion of the present utility model is as follows：To electrical power, motor driven after decelerator slows down corresponding to silk
Thick stick rotates, and leading screw drives corresponding sliding plate, and sliding plate drives rotation of one group of reflecting surface in support plate by connecting rod again
Secondary motion, reach the purpose for this group of reflecting surface of taking down the exhibits.
The utility model has the following advantages compared with prior art：
1st, only need 3 independent dynamical elements that taking down the exhibits for all reflectings surface can be achieved so that the antenna process of taking down the exhibits is easy to
Control, and each reflecting surface has a corresponding support, while during the taking down the exhibits of antenna in addition to 3 sliding plates, remaining junction
Revolute pair is used, is favorably improved the stability of the precision of expansion of the antenna and process of taking down the exhibits.
2nd, antenna reflective face is divided into 3 groups, wherein, each reflecting surface bottom in the group of same reflection face is connected by revolute pair
Reflecting surface bottom in distance support plate edge identical opening position, different reflecting surface groups is connected to distance branch by revolute pair
The opening position that support plate edge differs, ensure that antenna collapse and expansion during be not in interference problem between reflecting surface.
Brief description of the drawings
The schematic diagram of Fig. 1 the utility model rounding states；
The schematic diagram of Fig. 2 the utility model deployed conditions；
Support plate partial schematic diagram in Fig. 3 the utility model deployed condition top views；
Partial enlargement upward view at Fig. 4 the utility model deployed condition sliding plates；
Fig. 5 the utility model sliding plate schematic diagrames.
In figure：Reflecting surface back revolute pair in the small reflecting surface back revolute pairs of 1-, 2-, the big reflecting surface back revolute pairs of 3-,
Sliding plate short axle, the big sliding plate short axles of 6-, the small leading screws of 7-, 8- support bars, 9 (9 ', 9 ")-decelerators, 10 in the small sliding plate short axles of 4-, 5-
Sliding plate in leading screw, the big sliding plates of 13-, 14- in the big leading screw of (10 ', 10 ")-motor, 11-, 12-, the small sliding plates of 15-, the big reflectings surface of 16-,
In 17- in the small reflecting surface of reflecting surface, 18-, 19- long connecting rods, 20- in the big reflecting surface revolute pair of connecting rod, 21- short connecting rods, 22-, 23-
The small reflecting surface revolute pair of reflecting surface revolute pair, 24-, 25- support plates, 26 (26 ', 26 ")-lead screw hole, 27 (27 ', 27 ")-mesopores,
28 (28 ', 28 ")-macropores, 29- bearings.
Specific embodiment
In the umbrella deployable antenna schematic diagram that the layering shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4 is taken down the exhibits, big sliding plate 13, in
Sliding plate 14 is identical with the structure of small sliding plate 15, as shown in figure 5,12 uniform notches are equipped with the circumferential edge of each sliding plate,
There is a short axle in each notch, the center of each sliding plate is provided with diameter identical large through-hole, and sliding plate is provided with uniformly big
Hole 28 (28 ', 28 "), mesopore 27 (27 ', 27 ") and lead screw hole 26 (26 ', 26 "), big sliding plate 13, middle sliding plate 14, small sliding plate 15,3
Individual sliding plate is sequentially sleeved on support bar 8 from bottom to top by large through-hole；3 motors 9 (9 ', 9 ") respectively with 3 decelerators 10
(10 ', 10 ") connect, and be uniformly fixed on the bar wall of the bottom of support bar 8, small leading screw 7, the one of middle leading screw 12 and big leading screw 11
End be connected with a decelerator respectively, wherein, the other end of small leading screw 7 passes through big sliding plate 13, the macropore 28 on middle sliding plate 14
Lead screw hole 26 " on (28 ') and small sliding plate 15, its end are rotatablely connected with the bearing 29 being fixed in support plate 25, small leading screw 7
Coordinate with the lead screw hole 26 " on small sliding plate 15, so as to only drive small sliding plate 15 to move；The other end of middle leading screw 12 passes through big sliding plate
The mesopore 27 " on mesopore 27, small sliding plate 15 on 13 and the lead screw hole 26 ' on middle sliding plate 14, its end is with being fixed on support plate
Bearing 29 on 25 is rotatablely connected, and middle leading screw 12 and the lead screw hole 26 ' being located on middle sliding plate 14 coordinate, so as to sliding plate in a driving
14 motions；The other end of big leading screw 11 passes through the lead screw hole 26 on big sliding plate 13, the mesopore 27 ' on middle sliding plate 14 and small sliding plate 15
On macropore 28 ", its end is rotatablely connected with the bearing 29 being fixed in support plate 25, big leading screw 11 and is located on big sliding plate 13
Lead screw hole 26 coordinate, so as to only driving big sliding plate 13 to move.
36 reflectings surface are divided into 3 groups, are small reflecting surface group, middle reflecting surface group, big reflecting surface group respectively, and every group includes 12
Individual structure identical reflecting surface, wherein 12 small reflecting surface 18 is evenly distributed in support plate 25, the bottom point of small reflecting surface 18
The edge of support plate 25 is not connected to by small reflecting surface revolute pair 24, the middle part at the small back side of reflecting surface 18 passes through small reflection respectively
Face back revolute pair 1 is connected with one end of 12 corresponding short connecting rods 21, and the other end of 12 short connecting rods passes through rotation respectively
Pair is connected in the small sliding plate short axle 4 in the notch of small sliding plate 15；12 middle reflectings surface 17 are evenly distributed in support plate 25, in
The bottom of reflecting surface 17 is connected to the edge of support plate 25 by middle reflecting surface revolute pair 23 respectively, in the middle back side of reflecting surface 17
Portion is connected by middle reflecting surface back revolute pair 2 with one end of corresponding 12 middle connecting rods 20 respectively, 12 middle connecting rods it is another
One end is connected to by middle revolute pair in the middle sliding plate short axle 5 in the notch of middle sliding plate 14 respectively；12 big reflecting surface 16 is uniform
It is distributed in support plate 25, the bottom of big reflecting surface 16 is connected to the edge of support plate 25 by big reflecting surface revolute pair 22 respectively
Place, big reflecting surface carry on the back the middle part in 16 faces respectively by the one of big reflecting surface back revolute pair 3 and 12 corresponding long connecting rods 19
End connection, the other end of 12 long connecting rods are connected to by revolute pair in the big sliding plate short axle 6 in the notch of big sliding plate 13 respectively；
Position that wherein three groups of reflectings surface are installed in the edge of support plate 25 is different, along the radial direction distributing order of support plate 25 from interior
Small reflecting surface group, middle reflecting surface group, big reflecting surface group are followed successively by outside, are followed successively by along the circumferencial direction distributing order of support plate 25
Small reflecting surface, middle reflecting surface, big reflecting surface are circulated 12 times successively, and each reflecting surface is evenly distributed in support plate 25.
The utility model reflecting surface expansion mode is specific as follows：Motor 10 " rotates forward after being powered, and drives big sliding plate 13 along branch
Strut 8 moves downward, and big sliding plate 13 drives long connecting rod 19 to move, and long connecting rod 19 drives big reflecting surface 16 to be rotated around big reflecting surface
After pair 22 rotates down 10 °, motor 10 ', which is powered, to be rotated forward, and sliding plate 14 moves downward along support bar 8 in drive, the middle band of sliding plate 14
Connecting rod 20 moves in dynamic, and reflecting surface 17 is after middle reflecting surface revolute pair 23 rotates down 10 ° during middle connecting rod 20 drives, motor 10
It is powered and rotates forward, drive small sliding plate 15 to be moved downward along support bar 8, small sliding plate 15 drives short connecting rod 21 to move, the band of short connecting rod 21
Move small reflecting surface 18 to rotate down around small reflecting surface revolute pair 24, big reflecting surface 16, middle reflecting surface 17, small reflecting surface 18 are respective
Rotate 65 ° after, motor 10 (10 ', 10 ") each Self-disconnecting, now all reflectings surface be fully deployed to form a completed antenna face, such as
Shown in Fig. 2.
The utility model reflecting surface tucked way is specific as follows：Motor 10 inverts after being powered, and drives small sliding plate 15 along branch
Strut 8 moves upwards, and small sliding plate 15 drives short connecting rod 21 to move, and short connecting rod 21 drives small reflecting surface 18 to be rotated around small reflecting surface
After pair 24 is rotated up 10 °, motor 10 ', which is powered, to be inverted, and sliding plate 14 moves upwards along support bar 8 in drive, the middle band of sliding plate 14
Connecting rod 20 moves in dynamic, and reflecting surface 17 is after middle reflecting surface revolute pair 23 is rotated up 10 ° during middle connecting rod 20 drives, motor
10 ", which are powered, inverts, and drives big sliding plate 13 to be moved upwards along support bar 8, big sliding plate 13 drives long connecting rod 19 to move, long connecting rod 19
Big reflecting surface 16 is driven to be rotated up around big reflecting surface revolute pair 22, big reflecting surface 16, middle reflecting surface 17, small reflecting surface 18 are each
After 65 ° of autorotation, motor 10 (10 ', 10 ") each Self-disconnecting, now all reflectings surface all gatherings, as shown in Figure 1.
Claims (1)
1. a kind of be layered the umbrella deployable antenna taken down the exhibits, it is characterised in that：It include support plate, support bar, 36 reflectings surface,
12 long connecting rods, 12 middle connecting rods, 12 short connecting rods, big sliding plate, middle sliding plate, small sliding plate, 3 motors, 3 decelerators, small silk
Thick stick, middle leading screw, big leading screw, wherein, big sliding plate, middle sliding plate are identical with the structure of small sliding plate, are all provided with the circumferential edge of each sliding plate
There are 12 uniform notches, a short axle is equipped with each notch, the center of each sliding plate is provided with diameter identical large through-hole,
Each sliding plate is provided with uniform macropore, mesopore and lead screw hole, and 3 big sliding plate, middle sliding plate and small sliding plate sliding plates are by thereon
Large through-hole is sequentially sleeved on support bar from bottom to top；
3 motors are connected with 3 decelerators respectively, and are uniformly fixed on the bar wall of support bar bottom, small leading screw, middle silk
One end of thick stick and big leading screw is connected with a decelerator respectively, wherein, the other end of small leading screw is through on big sliding plate, middle sliding plate
Lead screw hole on macropore and small sliding plate, its end and the bearing being fixed in support plate are rotatablely connected, on small leading screw and small sliding plate
Lead screw hole coordinate, so as to only drive small sliding plate to move；The other end of middle leading screw is through on the mesopore on big sliding plate, small sliding plate
Lead screw hole on mesopore and middle sliding plate, its end and the bearing being fixed in support plate are rotatablely connected, and middle leading screw is with being located at middle cunning
Lead screw hole on disk coordinates, so as to which sliding plate moves in a driving；The other end of big leading screw passes through lead screw hole, middle cunning on big sliding plate
The macropore on mesopore and small sliding plate on disk, its end and the bearing being fixed in support plate are rotatablely connected, and big leading screw is with being located at
Lead screw hole on big sliding plate coordinates, so as to only drive big sliding plate to move；
36 reflectings surface are divided into 3 groups, are small reflecting surface group, middle reflecting surface group, big reflecting surface group respectively, and every group includes 12
Individual structure identical reflecting surface, wherein 12 small reflectings surface are evenly distributed in support plate, the bottom of small reflecting surface passes through respectively
Revolute pair is connected to support plate edge, and the middle part at the small reflecting surface back side passes through revolute pair and 12 corresponding short connecting rods respectively
One end connection, the other end of 12 short connecting rods is connected to by revolute pair in the short axle in the notch of small sliding plate respectively；12
Middle reflecting surface is evenly distributed in support plate, and the bottom of middle reflecting surface is connected to support plate edge by revolute pair respectively, in
The middle part at the reflecting surface back side is connected by revolute pair with one end of 12 corresponding middle connecting rods respectively, 12 middle connecting rods it is another
End is connected to by revolute pair in the short axle in the notch of middle sliding plate respectively；12 big reflecting surface is evenly distributed in support plate,
The bottom of big reflecting surface is connected to support plate edge by revolute pair respectively, and the middle part at the big reflecting surface back side passes through rotation respectively
Secondary one end with 12 corresponding long connecting rods is connected, and the other end of 12 long connecting rods is connected to big sliding plate by revolute pair respectively
Notch in short axle on；The position that wherein three groups of reflectings surface are installed in support plate edge is different, along the radial direction of support plate
Distributing order from-inner-to-outer is followed successively by small reflecting surface group, middle reflecting surface group, big reflecting surface group, is arranged along the circumferencial direction of support plate
Cloth order is followed successively by small reflecting surface, middle reflecting surface, big reflecting surface, circulates 12 times successively, each reflecting surface is evenly distributed on support
On disk；36 reflectings surface in space form one 360 ° of reflecting surface after being fully deployed, wherein circle corresponding to each small reflecting surface
Heart angle is 8 °, and central angle corresponding to each middle reflecting surface is 10 °, and central angle corresponding to each big reflecting surface is 12 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818321.1U CN206992314U (en) | 2017-07-07 | 2017-07-07 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818321.1U CN206992314U (en) | 2017-07-07 | 2017-07-07 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
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| Publication Number | Publication Date |
|---|---|
| CN206992314U true CN206992314U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720818321.1U Withdrawn - After Issue CN206992314U (en) | 2017-07-07 | 2017-07-07 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
Country Status (1)
| Country | Link |
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| CN (1) | CN206992314U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425295A (en) * | 2017-07-07 | 2017-12-01 | 燕山大学 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
| CN111009714A (en) * | 2019-12-12 | 2020-04-14 | 西安工业大学 | Satellite-borne umbrella-shaped antenna structure with self-unfolding speed regulating device and unfolding method thereof |
| CN113517544A (en) * | 2021-05-19 | 2021-10-19 | 陕西理工大学 | Unfolding mechanism of stay wire type umbrella-shaped antenna |
-
2017
- 2017-07-07 CN CN201720818321.1U patent/CN206992314U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425295A (en) * | 2017-07-07 | 2017-12-01 | 燕山大学 | It is a kind of to be layered the umbrella deployable antenna taken down the exhibits |
| CN107425295B (en) * | 2017-07-07 | 2023-06-16 | 燕山大学 | Layered foldable umbrella-shaped expandable antenna |
| CN111009714A (en) * | 2019-12-12 | 2020-04-14 | 西安工业大学 | Satellite-borne umbrella-shaped antenna structure with self-unfolding speed regulating device and unfolding method thereof |
| CN111009714B (en) * | 2019-12-12 | 2021-11-23 | 西安工业大学 | Satellite-borne umbrella-shaped antenna structure with self-unfolding speed regulating device and unfolding method thereof |
| CN113517544A (en) * | 2021-05-19 | 2021-10-19 | 陕西理工大学 | Unfolding mechanism of stay wire type umbrella-shaped antenna |
| CN113517544B (en) * | 2021-05-19 | 2024-06-11 | 陕西理工大学 | Unfolding mechanism of stay wire umbrella-shaped antenna |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180209 Effective date of abandoning: 20230616 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180209 Effective date of abandoning: 20230616 |