CN109216862B - Supporting structure and folding array antenna device - Google Patents
Supporting structure and folding array antenna device Download PDFInfo
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- CN109216862B CN109216862B CN201811242779.2A CN201811242779A CN109216862B CN 109216862 B CN109216862 B CN 109216862B CN 201811242779 A CN201811242779 A CN 201811242779A CN 109216862 B CN109216862 B CN 109216862B
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- antenna
- main beam
- oil cylinder
- array antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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Abstract
An embodiment of the present application provides a support structure, including: a main beam and a telescoping mechanism; one side of the telescopic mechanism is connected with the main beam, and the telescopic mechanism can do telescopic motion along the direction vertical to the main beam; and the telescopic mechanism is provided with a plurality of row frameworks which are parallel to the main beam and used for fixing the antenna. The application also discloses a collapsible array antenna device, the device includes: the support structure as described above arranged on the antenna tower body; a plurality of radiation units are arranged on the supporting structure; the support structure is capable of horizontal rotation relative to the antenna tower. This simple structure of technical scheme, it is quick to expand folding, characteristics that antenna thickness size is unchangeable before folding.
Description
Technical Field
The present application relates to the field of radar antenna structures, and in particular, to a support structure and a foldable large array antenna apparatus including the same.
Background
The guard radar has very high maneuverability requirement, the length and width of the antenna are generally more than 10 meters (length) x 5 meters (width), and the folding scheme of the antenna is a key link influencing the maneuverability of the whole radar.
The selection of the antenna folding scheme depends on the size of the antenna, the number of radiating elements and the arrangement rule, and for the horizontal polarization array antenna, the existing folding scheme is to divide the antenna into four rigid sub-array surfaces and then fold the sub-array surfaces. The scheme can enable the whole radar antenna to meet the road transportation requirement, but the whole radar antenna has the problem of superelevation during railway transportation.
The present invention has been made keeping in mind the above problems occurring in the prior art.
Disclosure of Invention
To solve one of the above problems, the present application provides a support structure and a folded array antenna apparatus.
According to a first aspect of embodiments of the present application, there is provided a support structure comprising: a main beam and a telescoping mechanism;
one side of the telescopic mechanism is connected with the main beam, and the telescopic mechanism can do telescopic motion along the direction vertical to the main beam;
and the telescopic mechanism is provided with a plurality of row frameworks which are parallel to the main beam and used for fixing the antenna.
Preferably, the telescopic mechanism comprises: the frame body and the first driving mechanism;
the frame body is rotatably connected with the main beam and can do folding motion along the transverse axis of the frame body;
the driving mechanism is fixed on the rectangular frame body and provides folding power for the rectangular frame body.
Preferably, the first drive mechanism comprises: a second cylinder and a third cylinder;
the second oil cylinder is fixed in the first rectangular frame of the frame body, and the third oil cylinder is fixed in the second rectangular frame of the frame body;
one side of the first rectangular frame is rotatably connected with one side of the second rectangular frame.
Preferably, the second oil cylinder and the third oil cylinder are both provided with stroke limit positions for limiting the extension range of the extension mechanism relative to the main beam.
Preferably, the telescopic mechanisms are symmetrically arranged on two sides of the main beam.
According to a second aspect of embodiments of the present application, there is provided a folded array antenna apparatus, the apparatus including: the support structure as described above arranged on the antenna tower body;
a plurality of radiation units are arranged on the supporting structure;
the support structure is capable of horizontal rotation relative to the antenna tower.
Preferably, the apparatus further comprises: a second drive mechanism providing a driving force for horizontal rotation of the support structure.
Preferably, the second driving mechanism is a first oil cylinder;
one end of the first oil cylinder is connected with the antenna tower body, and the other end of the first oil cylinder is connected with the main beam of the supporting structure.
Preferably, the first oil cylinder is provided with a stroke limit for limiting the rotation range of the main beam relative to the antenna tower body.
Preferably, the antenna tower body is symmetrically provided with the support structures at two sides.
This simple structure of technical scheme, it is quick to expand folding, characteristics that antenna thickness size is unchangeable before folding.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is an expanded view of an antenna structure according to an embodiment;
fig. 2 is a schematic diagram of an expanded structure of a support structure in an antenna structure according to an embodiment (a part of an antenna radiation unit is hidden);
fig. 3 is a structural diagram illustrating a folding process of a support structure in an antenna structure according to an embodiment (a part of an antenna radiation unit is hidden);
FIG. 4 is a schematic diagram of an embodiment of an antenna structure folding process;
fig. 5 is a schematic diagram of an embodiment antenna structure folded in place.
Reference numerals
1. The antenna tower comprises an antenna tower body, 2, a main beam, 3, a first oil cylinder, 4, a second oil cylinder, 5, a third oil cylinder, 6, a first supporting beam, 7, a second supporting beam, 8, a third supporting beam, 9, a fourth supporting beam, 10, a fifth supporting beam, 11, a sixth supporting beam, 12, a traveling framework, 13 and a radiation unit.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The core thinking of this scheme is that utilize telescopic machanism to drive array antenna folding extension, and simultaneously, it is rotatory to utilize actuating mechanism to drive strutting arrangement to realize array antenna's quick exhibition of receiving and releasing, use manpower sparingly and time cost.
As shown in fig. 1, a folded array antenna apparatus is provided in which a plurality of radiation elements 13 are mounted on an antenna tower body 1 through a support structure. The array antenna is rapidly stored and extended through folding and rotating of the supporting structure.
In this scheme, bearing structure includes: main beam 2 and telescopic machanism. One side of the telescopic mechanism is connected with the main beam 2, and the telescopic mechanism can do telescopic motion along the direction vertical to the main beam 2; and the telescopic mechanism is provided with a plurality of row frameworks 12 which are parallel to the main beam 2 and used for fixing the antenna. Wherein, telescopic machanism includes: the frame body and the first driving mechanism; the frame body is rotatably connected with the main beam and can do folding motion along the transverse axis of the frame body; the driving mechanism is fixed on the rectangular frame body and provides folding power for the frame body.
In this aspect, the first driving mechanism includes: a second cylinder and a third cylinder; the second oil cylinder is fixed in the first rectangular frame of the frame body, and the third oil cylinder is fixed in the second rectangular frame of the frame body; one side of the first rectangular frame is rotatably connected with one side of the second rectangular frame. And the second oil cylinder and the third oil cylinder are both provided with stroke limit for limiting the extension range of the extension mechanism relative to the main beam.
As shown in fig. 1 and 5, in the present solution, preferably, the telescopic mechanisms are symmetrically disposed on two sides of the main beam 2, and the two groups of telescopic mechanisms work in coordination to achieve the folding and unfolding of the line frame 12, so as to drive the plurality of radiation units 13 to extend or retract.
As shown in fig. 2 and 3, the stretching mechanism may be designed as a rectangular frame body composed of a first support beam 6, a second support beam 7, a third support beam 8, a fourth support beam 9, a fifth support beam 10 and a sixth support beam 11; the first supporting beam 6 and the second supporting beam 7 are parallel to the main beam 2, one end of the third supporting beam 8 and one end of the fourth supporting beam 9 are connected with the main beam 2 through rotating shafts respectively, the other end of the third supporting beam 8 and the other end of the fourth supporting beam 9 are connected with two ends of the first supporting beam 6 through rotating shafts respectively, one end of the fifth supporting beam 10 and one end of the sixth supporting beam 11 are connected with two ends of the first supporting beam 6 through rotating shafts respectively, and the other end of the fifth supporting beam 10 and the other end of the sixth supporting beam 11 are connected with two ends of the second supporting beam 7 through rotating shafts respectively.
As shown in fig. 4, in this solution, the support structures are symmetrically disposed on two sides of the antenna tower body 1, and the support structures can rotate horizontally with respect to the antenna tower body. The antenna tower body 1 is a bearing foundation and a lifting structure of the array antenna device and can drive the array antenna to realize erecting and lying under the driving of external power.
In the scheme, the main beam 2 is movably connected with an oil cylinder rod of the first oil cylinder 3, and the antenna tower body 1 is movably connected with an oil cylinder barrel of the first oil cylinder 3; the first oil cylinder 3 is provided with a stroke limit for limiting the rotation range of the main beam 2 when rotating around a rotating shaft connected with the antenna tower body 1, and the rotation range is preferably 0-90 degrees; two ends of a diagonal line of the third supporting beam 8 and the fourth supporting beam 9 are movably connected with the second oil cylinder 4 respectively, one end of the third supporting beam 8 close to the first supporting beam 6 is movably connected with an oil cylinder rod of the second oil cylinder 4 through a rotating shaft, and one end of the fourth supporting beam 9 close to the main beam 2 is movably connected with an oil cylinder barrel of the second oil cylinder 4 through a rotating shaft; the second oil cylinder is provided with a stroke limit for limiting the rotation range of the third supporting beam 8 and the fourth supporting beam 9 when rotating around the rotating shaft connected with the main beam 2, and the rotation range is preferably 0-83 degrees; two ends of a diagonal line of the fifth supporting beam 10 and the sixth supporting beam 11 are movably connected with the third oil cylinder 5 respectively, one end of the fifth supporting beam 10 close to the first supporting beam 6 is movably connected with an oil cylinder barrel of the third oil cylinder 5 through a rotating shaft, and one end of the sixth supporting beam 11 close to the second supporting beam 7 is movably connected with an oil cylinder rod of the third oil cylinder 5 through a rotating shaft; the third cylinder is provided with a stroke limit for limiting the rotation range of the fifth supporting beam 10 and the sixth supporting beam 11 when rotating around the rotating shaft connected with the first supporting beam 6, and the rotation range is preferably 0-83 degrees.
The row framework 12 is composed of a plurality of frameworks parallel to the main beam, the row framework 12 is respectively and fixedly connected with the third supporting beam 8, the fourth supporting beam 9, the fifth supporting beam 10 and the sixth supporting beam 11, when all the supporting beams are folded, the row framework moves towards the main beam 2 in parallel, the plurality of radiation units 13 are fixedly arranged on the row framework 12, and the plurality of radiation units 13 arranged on each extending mechanism through the row framework 12 form an antenna sub-array surface.
In this scheme, set up a plurality of radiating element 13 on the bearing structure of antenna tower body 1 both sides and just constituted a collapsible array antenna device to antenna tower body and girder are the border, can divide into four antenna sub-array faces with array antenna. The bearing structure of every sub-array face all can fold, and the girder can rotate 90 degrees around the pivot of being connected with the antenna tower body to make array antenna wholly reach fold condition, made things convenient for the holistic transportation of antenna, had the superelevation problem when having avoided the transportation.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. A folded array antenna assembly, comprising: a support structure disposed on the antenna tower; the support structure includes: a main beam and a telescoping mechanism;
one side of the telescopic mechanism is connected with the main beam, and the telescopic mechanism can do telescopic motion along the direction vertical to the main beam;
the telescopic mechanism is provided with a plurality of line frameworks which are parallel to the main beam and used for fixing the antenna;
the telescopic mechanism comprises: the device comprises a rectangular frame body and a first driving mechanism;
the row framework is connected with the rectangular frame body through a rotating shaft;
the first driving mechanism is fixed on the rectangular frame body and provides folding power for the rectangular frame body;
the first drive mechanism includes: a second cylinder and a third cylinder;
the second oil cylinder is fixed in the first rectangular frame of the frame body, and the third oil cylinder is fixed in the second rectangular frame of the frame body;
one side of the first rectangular frame is rotatably connected with one side of the second rectangular frame;
the second oil cylinder and the third oil cylinder are both provided with stroke limit for limiting the extension range of the telescopic mechanism relative to the main beam;
the supporting structure is provided with a plurality of radiating units of the array antenna, the antenna tower body and the main beam are used as boundaries, the array antenna is divided into four antenna sub-array surfaces, and the supporting structure of each sub-array surface can be folded;
the supporting structure can rotate horizontally relative to the antenna tower body, the main beam can rotate around a rotating shaft connected with the antenna tower body, and the rotating range is 0-90 degrees, so that the array antenna integrally achieves a folded state.
2. The folded array antenna apparatus of claim 1, wherein the telescoping mechanisms are symmetrically disposed on both sides of the main beam.
3. The folded array antenna apparatus of claim 1, further comprising: a second drive mechanism providing a driving force for horizontal rotation of the support structure.
4. The folded array antenna apparatus of claim 3, wherein the second driving mechanism is a first cylinder;
one end of the first oil cylinder is connected with the antenna tower body, and the other end of the first oil cylinder is connected with the main beam of the supporting structure.
5. The folded array antenna apparatus of claim 4, wherein the first cylinder is provided with a travel limit to limit a range of rotation of the main beam relative to the antenna tower.
6. The folded array antenna assembly of claim 1, wherein the antenna tower is symmetrically provided with the support structure on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242779.2A CN109216862B (en) | 2018-10-24 | 2018-10-24 | Supporting structure and folding array antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242779.2A CN109216862B (en) | 2018-10-24 | 2018-10-24 | Supporting structure and folding array antenna device |
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| Publication Number | Publication Date |
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| CN109216862A CN109216862A (en) | 2019-01-15 |
| CN109216862B true CN109216862B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811242779.2A Active CN109216862B (en) | 2018-10-24 | 2018-10-24 | Supporting structure and folding array antenna device |
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| CN109216862A (en) | 2019-01-15 |
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