CN205452550U - Low -angle antenna locator - Google Patents
Low -angle antenna locator Download PDFInfo
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- CN205452550U CN205452550U CN201521100093.1U CN201521100093U CN205452550U CN 205452550 U CN205452550 U CN 205452550U CN 201521100093 U CN201521100093 U CN 201521100093U CN 205452550 U CN205452550 U CN 205452550U
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- gangbar
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- revolute pair
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Abstract
The utility model discloses a low -angle antenna locator. It includes the antenna setting board, the locator base, locator location mounting panel, the one end of locator base is connected with locator location mounting panel, it surveys angular encoder to be equipped with azimuth drive motor and position on the locator base, it surveys angular encoder still to be equipped with pitching drive motor and every single move on the locator base, azimuth drive motor and pitching drive motor are 90 degrees and arrange, the azimuth drive motor, angular encoder is surveyed in the position, the pitching drive motor, it is all together fixed with the locator base that angular encoder's axle both ends are surveyed in the every single move, be connected with gangbar A on the stator of azimuth drive motor and position survey angular encoder's the stator respectively, be connected with gangbar B on the stator of pitching drive motor and on every single move survey angular encoder's the stator respectively, two gangbar A's both ends and two gangbar B's both ends are connected with gangbar C and gangbar D through the revolute pair respectively, gangbar C and gangbar D pass through the revolute pair and are connected with the antenna setting board.
Description
Technical field
This utility model relates to a kind of low-angle antenna positioner, is specifically related to a kind of aerial angle localizer for radar antenna test position fix.
Background technology
Miniature antenna pedestal is mostly driven mechanical arm by electro-motor by gear at present, mechanical arm mounted antennas, angle measurement is also to be determined by gear change, so there is certain machine error, real antenna array center of rotation distance antenna pedestal center of rotation has certain distance, has certain error in terms of ensureing azimuth pitch center of rotation coincidence.
Summary of the invention
For drawbacks described above present in prior art, this utility model provides that a kind of precision is high, controls to drive convenience, compact, lightweight low-angle antenna positioner, and it can solve the problem that antenna array center of rotation that traditional antenna seat the exists problem away from antenna pedestal center of rotation.
nullThis utility model is achieved by the following technical solution: a kind of low-angle antenna positioner，It is characterized in that: include antenna installing plate、Localizer pedestal、Localizer location and installation plate，One end of localizer pedestal is connected with localizer location and installation plate，Described localizer pedestal is provided with the orientation being arranged parallel to and drives motor and Azimuth measurement encoder，It is additionally provided with the pitching being arranged parallel on described localizer pedestal and drives motor and pitching angle measurement encoder，Described orientation drives the motor drive shaft of motor and the motor drive shaft of pitching driving motor to be 90 degree of layouts，Described orientation drives the two ends of the motor drive shaft of motor、The two ends of the axle of Azimuth measurement encoder、Pitching drives the two ends of the motor drive shaft of motor、The two ends of the axle of pitching angle measurement encoder are all fixed together with localizer pedestal，Localizer pedestal is provided with the described orientation of receiving and drives motor、Azimuth measurement encoder、Pitching drives motor、The space of pitching angle measurement encoder，Described orientation drives on the stator of motor and is connected to gangbar A on the stator of Azimuth measurement encoder，Described pitching drives on the stator of motor and is connected to gangbar B on the stator of pitching angle measurement encoder，The two ends of two gangbar A are connected by revolute pair A and two gangbar C respectively，The two ends of two gangbar B are connected by revolute pair B and two gangbar D respectively，Gangbar C is parallel with the axis of localizer pedestal with gangbar D，The same direction end of gangbar C and gangbar D is all connected with described antenna installing plate by revolute pair C，Described orientation drives motor、Azimuth measurement encoder、Pitching drives motor、Pitching angle measurement encoder、Gangbar A、Gangbar B、Gangbar C、Gangbar D、Revolute pair A、Revolute pair B、Revolute pair C constitutes link gear.
In use, antenna installing plate is connected this utility model with radar antenna, and localizer location and installation plate is connected with antenna pole front end.Orientation drives motor and pitching to drive motor to be used for driving link gear to rotate, and azimuth pitch rotational angle measured by Azimuth measurement encoder, pitching angle measurement encoder in real time.Driving motor and pitching drive motor link gear to rotate by orientation, link gear drive antenna installing plate and the radar antenna being arranged on antenna installing plate do azimuth pitch scanning motion.
Further technical scheme is that described revolute pair C is ball bowl-type or cross axle-type.By ball bowl-type or cross axle-type revolute pair, radar antenna rotates flexibly.
Described revolute pair A and revolute pair B are axis hole and the bearing pin with shaft hole matching.
The beneficial effects of the utility model are: this utility model uses and drives motor directly to drive angle measurement encoder, direct angular surveying to eliminate drive mechanism so that driving precision to improve, angle measurement accuracy also significantly improves；This utility model overcomes, by using jointed gear unit, the machine error that the drive mechanisms such as gear cause so that antenna is added in and drives the load on motor significantly to alleviate；This utility model makes antenna bearingt pitch rotation centre-height overlap by using link gear, it is possible to be greatly improved certainty of measurement.
Accompanying drawing explanation
Fig. 1 is the schematic front view in this utility model specific embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the schematic front view of the localizer pedestal in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the connection location figure that in this utility model specific embodiment, orientation drives motor or Azimuth measurement encoder and link gear；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the structural representation of revolute pair A/ revolute pair B in this utility model specific embodiment；
Fig. 8 is the side view of Fig. 7；
Fig. 9 is the structural representation of gangbar C/ gangbar D in this utility model specific embodiment；
Figure 10 is the top view of Fig. 9；
Figure 11 is the structural representation that in this utility model specific embodiment, ball bowl-type revolute pair is connected with antenna installing plate；
Figure 12 is the structural representation of antenna installing plate in this utility model specific embodiment；
Figure 13 is the side view of Figure 12；
Figure 14 is the schematic diagram of ball bowl-type revolute pair in this utility model specific embodiment；
Figure 15 is the schematic diagram of cross axle revolute pair in this utility model specific embodiment；
Figure 16 is schematic diagram of the present utility model；
nullIn figure，1 is antenna installing plate，2 is gangbar C，3 is gangbar D，4 is revolute pair A，5 is gangbar A，6 is that orientation drives motor，7 is installing hole，8 is localizer location and installation plate，9 is localizer pedestal，10 is that pitching drives motor，11 is Azimuth measurement encoder，12 is pitching angle measurement encoder，13 is the axle of pitching angle measurement encoder，14 is the motor drive shaft that pitching drives motor，15 is revolute pair C，16 is gangbar B，17 is revolute pair B，18 is the axle of Azimuth measurement encoder，19 is the motor drive shaft that orientation drives motor，20 is the mounting-positioning holes that angle measurement encoder is driven in pitching，21 is the mounting-positioning holes that pitching drives motor，22 is the mounting-positioning holes that orientation drives motor，23 is the mounting-positioning holes of Azimuth measurement encoder，24 is stationary positioned axle，25 is the coiler part that orientation drives motor/Azimuth measurement encoder；26 is the stationary part that orientation drives motor/Azimuth measurement encoder, and 27 is revolute pair connecting shaft hole, and 28 is threaded joints, and 29 is to install nut, 30 is female thread, and 31 is spheroid, and 32 is pressing plate, 33 is ball-type bowl, and 34 is the ball-type bowl in pitch rotation pair, and 35 is the ball-type bowl in orientation revolute pair.
Detailed description of the invention
Below by the embodiment of indefiniteness and combine accompanying drawing this utility model is further described:
nullAs shown in accompanying drawing 1-Fig. 4，A kind of low-angle antenna positioner，Including antenna installing plate 1、Localizer pedestal 9、Localizer location and installation plate 8，One end of localizer pedestal 9 is connected with localizer location and installation plate 8，Described localizer pedestal 9 is provided with the orientation being arranged parallel to and drives motor 6 and Azimuth measurement encoder 11，It is additionally provided with the pitching being arranged parallel on described localizer pedestal 9 and drives motor 10 and pitching angle measurement encoder 12，Described orientation drives the motor drive shaft 19 of motor 6 and pitching to drive the motor drive shaft 14 of motor 10 in 90 degree of layouts，Described orientation drives the two ends of the motor drive shaft 19 of motor 6、The two ends of the axle 18 of Azimuth measurement encoder 11、Pitching drives the two ends of the motor drive shaft 14 of motor 10、The two ends of the axle 13 of pitching angle measurement encoder 12 are all fixed together with localizer pedestal 9，Localizer pedestal 9 is provided with pitching and drives the mounting-positioning holes 20 of angle measurement encoder、Pitching drives the mounting-positioning holes 21 of motor、Orientation drives the mounting-positioning holes 22 of motor、The mounting-positioning holes 23 of Azimuth measurement encoder，Pitching drives the two ends of the motor drive shaft 14 of motor 10、The two ends of the axle 13 of pitching angle measurement encoder 12 are fixed together with localizer pedestal 9 in being separately mounted to mounting-positioning holes 21 and mounting-positioning holes 20，Orientation drives the two ends of the motor drive shaft 19 of motor 6、The two ends of the axle 18 of Azimuth measurement encoder 11 are fixed together with localizer pedestal 9 in being separately mounted to mounting-positioning holes 22 and mounting-positioning holes 23，Localizer pedestal 9 is provided with the described orientation of receiving and drives motor 6、Azimuth measurement encoder 11、Pitching drives motor 10、The space of pitching angle measurement encoder 12.Described orientation drives on the stator of motor 6 and is connected to gangbar A5 on the stator of Azimuth measurement encoder 11, described pitching drives on the stator of motor 10 and is connected to gangbar B16 on the stator of pitching angle measurement encoder 12, the two ends of two gangbar A5 are connected by revolute pair A4 and two gangbar C2 respectively, the two ends of two gangbar B16 are connected by revolute pair B17 and two gangbar D3 respectively, gangbar C2 is all parallel with the axis of localizer pedestal 9 with gangbar D3, the same direction end of gangbar C2 and gangbar D3 is all connected with described antenna installing plate 1 by revolute pair C15.Described orientation drives motor 6, Azimuth measurement encoder 11, pitching to drive motor 10, pitching angle measurement encoder 12, gangbar A5, gangbar B16, gangbar C2, gangbar D3, revolute pair A4, revolute pair B17, revolute pair C15 to constitute link gear.
In this utility model, orientation drives motor, Azimuth measurement encoder, pitching to drive motor, pitching angle measurement encoder to be identical with the connected mode of link gear, the most only drive motor or Azimuth measurement encoder to illustrate as example with the attachment structure of link gear using orientation, as shown in Fig. 5-Fig. 6, drive the connection location figure of motor or Azimuth measurement encoder and link gear for orientation.In Fig. 5-Fig. 6, orientation drives the two ends of the motor drive shaft 19 (axle 18 of Azimuth measurement encoder) of motor can coordinate with the mounting-positioning holes 22 (mounting-positioning holes 23) on localizer pedestal 9 and is arranged on localizer pedestal 9, coiler part 25 and motor drive shaft 19 (axle 18) are the most rotatable, orientation drives the stationary part 26 of motor or Azimuth measurement encoder to link together with gangbar A5, and this stationary part 26 is rotatable.Gangbar A5 be respectively arranged at two ends with revolute pair A4.Revolute pair A4 and revolute pair B17 in the present embodiment are axis hole and the bearing pin with shaft hole matching, as shown in Figs. 7-8.In the present embodiment, the two ends of gangbar A5 and the two ends of gangbar B16 by axis hole and are connected with two gangbar C2 and two gangbar D3 with the bearing pin of shaft hole matching respectively.
In the present embodiment, gangbar C is identical with the structure of gangbar D, the connected mode between connected mode and gangbar D and gangbar B16 between gangbar C2 and gangbar A5 is identical, and the connected mode between gangbar C and gangbar D and antenna installing plate 1 is also identical.In this utility model, revolute pair C15 being connected between gangbar C and gangbar D with antenna installing plate 1 can be ball bowl-type, as shown in figure 14, or is cross axle-type, as shown in figure 15.It it is ball bowl-type structure shown in the present embodiment, as Fig. 9-Figure 10 show the structural representation of gangbar C/ gangbar D, one end of gangbar C/ gangbar D is provided with threaded joints 28, gangbar C/ gangbar D is provided with revolute pair A4/ revolute pair B17, is connected with gangbar A5 and gangbar B16 by revolute pair A4/ revolute pair B17 gangbar C and gangbar D.As figs 11-13, ball bowl-type revolute pair includes spheroid 31, spheroid 31 is provided with female thread 30 and the installation nut 29 with its one, spheroid 31 coordinates with the ball-type bowl 33 on antenna installing plate 1, and utilizing screw to be assembled together with antenna installing plate 1 by pressing plate 32, gangbar C2/ gangbar D3 is connected with the installation nut 29 on spheroid 31 and female thread 30 by its threaded joints 28.Ball-type bowl 33 on antenna installing plate 1 includes the ball-type bowl 34 in two pitch rotation pairs and the ball-type bowl 35 in two orientation revolute pairs.
When this utility model uses, antenna installing plate 1 is connected with radar antenna, and localizer location and installation plate 8 is connected with antenna pole front end.Orientation drives motor 6 and pitching to drive motor 10 to be used for driving link gear to rotate, and azimuth pitch rotational angle measured by Azimuth measurement encoder 11, pitching angle measurement encoder 12 in real time.Driving motor 6 and pitching to drive motor 10 to drive link gear to rotate by orientation, link gear drive antenna installing plate 1 and the radar antenna being arranged on antenna installing plate 1 do azimuth pitch scanning motion.
As shown in figure 16, operation principle of the present utility model is: by angular measurement sensor T, drive motor M to form driving and angle measurement mechanism, gangbar L1, L2, L3, L4, L5 are combined composition link gear with revolute pair z1, z2, z3, z4, z5, z6, longitudinally rotate along respective central point d, e, f, due to L1 ∥ L2 ∥ L3, L4 ∥ L5 so ∠ a=∠ b=∠ c.By driving motor M drivening rod L1, connecting rod L1 connects L2, L3, L4, L5 by revolute pair z1, z2, z3, z4, z5, z6, and L1 ∥ L2 ∥ L3, L4 ∥ L5, this makes ∠ a=∠ b=∠ c, and angular measurement sensor T is arranged on the central point e of connecting rod L2, L3 is virtual-antenna, point d is the central point of L3, and angle c is the angle of antenna, and such angular measurement sensor T is equal to angle c of antenna in angle b that a d records.Because of the azimuth plane operation principle of the most only introducing a face identical with pitching face theory structure.
Other parts in the present embodiment use known technology, do not repeat them here.
Claims (3)
- null1. a low-angle antenna positioner，It is characterized in that: include antenna installing plate (1)、Localizer pedestal (9)、Localizer location and installation plate (8)，One end of localizer pedestal (9) is connected with localizer location and installation plate (8)，Described localizer pedestal (9) is provided with the orientation being arranged parallel to and drives motor (6) and Azimuth measurement encoder (11)，It is additionally provided with the pitching being arranged parallel on described localizer pedestal (9) and drives motor (10) and pitching angle measurement encoder (12)，Described orientation drives the motor drive shaft of motor (6) and the motor drive shaft of pitching driving motor (10) to be 90 degree of layouts，Described orientation drives the two ends of the motor drive shaft of motor (6)、The two ends of the axle of Azimuth measurement encoder (11)、Pitching drives the two ends of the motor drive shaft of motor (10)、The two ends of the axle of pitching angle measurement encoder (12) are all fixed together with localizer pedestal (9)，Localizer pedestal (9) is provided with the described orientation of receiving and drives motor (6)、Azimuth measurement encoder (11)、Pitching drives motor (10)、The space of pitching angle measurement encoder (12)，Described orientation drives on the stator of motor (6) and is connected to gangbar A (5) on the stator of Azimuth measurement encoder (11)，Described pitching drives on the stator of motor (10) and is connected to gangbar B (16) on the stator of pitching angle measurement encoder (12)，The two ends of two gangbar A (5) are connected with two gangbar C (2) by revolute pair A (4) respectively，The two ends of two gangbar B (16) are connected with two gangbar D (3) by revolute pair B (17) respectively，Gangbar C (2) is parallel with the axis of localizer pedestal (9) with gangbar D (3)，The same direction end of gangbar C (2) and gangbar D (3) is all connected with described antenna installing plate (1) by revolute pair C (15)，Described orientation drives motor (6)、Azimuth measurement encoder (11)、Pitching drives motor (10)、Pitching angle measurement encoder (12)、Gangbar A (5)、Gangbar B (16)、Gangbar C (2)、Gangbar D (3)、Revolute pair A (4)、Revolute pair B (17)、Revolute pair C (15) constitutes link gear.
- Low-angle antenna positioner the most according to claim 1, is characterized in that: described revolute pair C (15) is ball bowl-type or cross axle-type.
- Low-angle antenna positioner the most according to claim 1 and 2, is characterized in that: described revolute pair A (4) and revolute pair B (17) are axis hole and the bearing pin with shaft hole matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100093.1U CN205452550U (en) | 2015-12-24 | 2015-12-24 | Low -angle antenna locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521100093.1U CN205452550U (en) | 2015-12-24 | 2015-12-24 | Low -angle antenna locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452550U true CN205452550U (en) | 2016-08-10 |
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ID=56578204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521100093.1U Active CN205452550U (en) | 2015-12-24 | 2015-12-24 | Low -angle antenna locator |
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| Country | Link |
|---|---|
| CN (1) | CN205452550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554217A (en) * | 2019-07-26 | 2019-12-10 | 中国航空工业集团公司济南特种结构研究所 | Mechanism for adjusting azimuth angle of test antenna and performing rapid compression |
| CN110687320A (en) * | 2018-07-06 | 2020-01-14 | 中国航空工业集团公司济南特种结构研究所 | Quick positioner of antenna branch |
-
2015
- 2015-12-24 CN CN201521100093.1U patent/CN205452550U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687320A (en) * | 2018-07-06 | 2020-01-14 | 中国航空工业集团公司济南特种结构研究所 | Quick positioner of antenna branch |
| CN110687320B (en) * | 2018-07-06 | 2022-02-11 | 中国航空工业集团公司济南特种结构研究所 | Quick positioner of antenna branch |
| CN110554217A (en) * | 2019-07-26 | 2019-12-10 | 中国航空工业集团公司济南特种结构研究所 | Mechanism for adjusting azimuth angle of test antenna and performing rapid compression |
| CN110554217B (en) * | 2019-07-26 | 2022-05-17 | 中国航空工业集团公司济南特种结构研究所 | Mechanism for adjusting azimuth angle of test antenna and performing rapid compression |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |