CN220209278U

CN220209278U - Small-size radar antenna revolving stage

Info

Publication number: CN220209278U
Application number: CN202321479554.5U
Authority: CN
Inventors: 吴琦; 郭凯飞
Original assignee: Xi'an Congrui Electronic Technology Co ltd
Current assignee: Xi'an Congrui Electronic Technology Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-12-19
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a small radar antenna turntable, which relates to the field of antenna turntables and comprises a mounting plate, wherein one side of the mounting plate is connected with a motor through a bolt, one end of a gear box is rotatably clamped with a central shaft, the top of the central shaft is fixedly connected with a flat plate, the top of the flat plate is fixedly connected with a connecting frame, the surface of one side of the connecting frame is connected with a movable block through a rotating shaft, one side of the movable block is fixedly connected with a connecting piece, a protective cover is connected onto the connecting piece through threads, and the tail end of the connecting piece is connected with an antenna body through a bolt. According to the utility model, the radar antenna and the connecting piece are fixed through the bolts by utilizing the flange structure at the top of the connecting piece, and the protective cover is rotated, so that the protective cover moves towards the small radar antenna, and therefore, the protective cover is arranged at the connecting position, the bolts and the connecting devices at the connecting position are protected, the bolts are prevented from being exposed to external rust for a long time, the stability of connection is enhanced, and the service life of the turntable is prolonged.

Description

Small-size radar antenna revolving stage

Technical Field

The utility model relates to the field of antenna turntables, in particular to a small radar antenna turntable.

Background

A device for radiating and receiving electromagnetic waves and determining the detection direction thereof in a radar. Radar antennas have a function of converging electromagnetic waves into beams, and directionally transmit and receive the electromagnetic waves. Important properties of the radar, such as detection distance, detection range, angular accuracy, angular resolution and anti-interference capability, are all related to the antenna performance. In order to facilitate rotation of the radar antenna, it is often necessary to mount the radar antenna on a turntable so that rotation of the turntable drives rotation of the antenna.

When the existing small-sized radar antenna turntable is connected with a radar antenna, a bolt is usually used for fixing the antenna, the antenna is placed outdoors, the connecting part of the bolt is not provided with a protective structure, the bolt is exposed out for a long time, the bolt is easy to rust, and the connecting part is loose; part of the radar antenna turntable is fixed through the clamping mechanism, but the clamping mechanism is complex in structure, so that the cost of the antenna turntable is increased.

Disclosure of Invention

An object of the application is to provide a small-size radar antenna revolving stage, through rotatory protection casing, plays the guard action to the bolt and the connecting device of junction, prevents that the bolt from exposing in the rust outside for a long time, the stability of reinforcing connection promotes the life of this revolving stage.

In order to achieve the above purpose, the present application provides the following technical solutions:

the small radar antenna turntable comprises a mounting plate and a gear box, wherein one side of the mounting plate is connected with a motor through a bolt, and one end of the gear box is rotationally clamped with a central shaft;

the top of the central shaft is fixedly connected with a flat plate, the top of the flat plate is fixedly connected with a connecting frame, the surface of one side of the connecting frame is connected with a movable block through a rotating shaft, one side of the movable block is fixedly connected with a connecting piece, the connecting piece is connected with a protective cover through threads, and the tail end of the connecting piece is connected with an antenna body through a bolt; the protective cover comprises a pot cover, a flanging, semicircular arcs and rubber mats, wherein the flanging is arranged at the edge of the pot cover, two semicircular arcs are arranged at the bottom of the pot cover, and the rubber mats are arranged on one side of each semicircular arc.

Preferably, the bottom fixedly connected with base of mounting panel, the top fixedly connected with gear box of base, the top joint of gear box has the case lid.

Preferably, one end of the rotating shaft is fixedly connected with a first gear, one side of the flat plate is fixedly connected with an air cylinder, and the tail end of the air cylinder is fixedly connected with a rack.

Preferably, a third gear fixedly connected with the motor and a second gear fixedly connected with the central shaft are arranged in the gear box, and the second gear is meshed with the third gear through insection.

Preferably, round holes are formed in two sides of the connecting frame, and the outer side size of the rotating shaft is matched with the inner diameter size of the round holes.

Preferably, the top of the connecting piece is of a flange structure, and the bottom of the connecting piece is of a threaded column structure.

Preferably, the protective cover is made of flexible materials, and an integrated structure is formed among the pot cover, the flanging, the semicircular arc and the rubber cushion.

Preferably, the first gear is provided with light holes which are annularly and uniformly distributed, and the first gear is meshed with the racks through insections.

The utility model has the technical effects and advantages that:

according to the utility model, the radar antenna and the connecting piece are fixed through the bolts by utilizing the flange structure at the top of the connecting piece, so that the radar antenna is installed, and the protective cover is rotated to enable the protective cover to move towards the small radar antenna, so that the protective cover is covered at the connecting position, the bolts and the connecting devices at the connecting position are protected, the bolts are prevented from being exposed to rust for a long time, the stability of connection is enhanced, and the service life of the turntable is prolonged; the semicircle of protection casing bottom, when the protection casing rotates downwards, can open, conveniently dismantle the protection casing, when the protection casing upwards rotates, utilizes the elasticity of cushion, can make the semicircle paste on the screw thread post of connecting piece to play the guard action to the connecting piece.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a second perspective view of the whole structure of the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of the present utility model;

FIG. 4 is a schematic diagram of the overall rear view of the present utility model;

FIG. 5 is a schematic perspective view of a connector according to the present utility model;

fig. 6 is a schematic perspective view of a protective cover according to the present utility model.

In the figure: 1. a base; 2. a mounting plate; 3. a gear box; 4. a case cover; 5. a motor; 6. a central shaft; 7. a flat plate; 8. a connecting frame; 9. a movable block; 10. a rotating shaft; 11. a connecting piece; 12. a protective cover; 13. an antenna body; 14. a first gear; 15. a rack; 16. a cylinder; 17. a second gear; 18. a third gear; 19. a pot cover; 20. flanging; 21. a semicircular arc; 22. rubber cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-6, the small radar antenna turntable comprises a mounting plate 2 and a gear box 3, wherein one side of the mounting plate 2 is connected with a motor 5 through bolts, the gear box 3 is of a metal structure, the protection effect on an internal gear can be achieved, the top of the gear box 3 is clamped with a box cover 4, one side of the mounting plate 2 is connected with the motor 5 through bolts, four corners of the mounting plate 2 are respectively provided with a threaded hole, the motor 5 is conveniently disassembled and assembled through bolts, and one end of the gear box 3 is rotatably clamped with a central shaft 6;

the top of the central shaft 6 is fixedly connected with a flat plate 7, the top of the flat plate 7 is fixedly connected with a connecting frame 8, the surface of one side of the connecting frame 8 is connected with a movable block 9 through a rotating shaft 10, and one side of the movable block 9 is fixedly connected with a connecting piece 11; the protective cover 12 is connected to the connecting piece 11 through threads, the protective cover 12 is made of rubber, the protective cover 12 is connected with the connecting piece 11 through threads, the protective cover 12 can be conveniently fixed at a certain position of the connecting piece 11, and the back lamination of the radar antenna on one side of the protective cover 12 is facilitated; the tail end of the connecting piece 11 is connected with an antenna body 13 through a bolt, round holes are formed in two sides of the connecting frame 8, the outer side size of the rotating shaft 10 is matched with the inner diameter size of the round holes, the top of the connecting piece 11 is of a flange structure, and the bottom of the connecting piece 11 is of a threaded column structure;

the protection casing 12 includes pot cover 19, turn-ups 20, semicircle 21 and cushion 22, the edge of pot cover 19 is equipped with turn-ups 20, the bottom of pot cover 19 is equipped with two semicircle 21, one side of semicircle 21 is equipped with cushion 22, protection casing 12 is made for flexible material, constitute integrated structure between pot cover 19, turn-ups 20, semicircle 21 and the cushion 22, semicircle 21 of protection casing 12 bottom, when protection casing 12 rotates downwards, can open, conveniently dismantle protection casing 12, when protection casing 12 rotates upwards, utilize cushion 22's elasticity, can make semicircle 21 paste on the screw thread post of connecting piece 11, thereby play the guard action to connecting piece 11.

As shown in fig. 2, in this embodiment, the bottom of the mounting plate 2 is fixedly connected with a base 1, the top of the base 1 is fixedly connected with a gear box 3, the top of the gear box 3 is clamped with a box cover 4, the box cover 4 is opened, and the internal gear of the gear box 3 can be inspected.

As shown in fig. 1, in this embodiment, one end of the rotating shaft 10 is fixedly connected with a first gear 14, one side of the flat plate 7 is fixedly connected with a cylinder 16, the end of the cylinder 16 is fixedly connected with a rack 15, annular uniformly distributed light holes are formed in the first gear 14, the teeth between the first gear 14 and the rack 15 are meshed, the rack 15 can be moved back and forth by using the cylinder 16, so that the first gear 14 and the movable block 9 are driven to rotate, the inclination angle of the radar antenna is convenient to adjust, and the turntable is simple and convenient in structure, and is limited without a complex limiting structure when the inclination angle of the radar antenna is adjusted.

As shown in fig. 3, in this embodiment, a third gear 18 fixedly connected with the motor 5 and a second gear 17 fixedly connected with the central shaft 6 are provided in the gear box 3, the second gear 17 is meshed with the third gear 18, the motor 5 is started, the third gear 18 rotates, and the central shaft 6 rotates to drive the flat plate 7 to rotate in cooperation with the use of the second gear 17, so that the orientation of the antenna body 13 is convenient to adjust.

When the radar antenna rotary table is used, the rotary table is placed on a horizontal plane through the base 1, positioning holes in the base 1 are convenient for positioning and mounting the rotary table and the horizontal plane, and the antenna body 13 and the connecting piece 11 are fixed through bolts by utilizing a flange structure at the top of the connecting piece 11, so that the radar antenna is mounted;

the protective cover 12 is rotated, so that the protective cover 12 moves towards the antenna body 13, the protective cover 12 is covered at the joint, the flange 20 on the protective cover 12 can ensure that the protective cover 12 is attached to the back of the antenna body 13, thereby protecting the bolt and the connecting device at the joint, preventing the bolt from being exposed to rust for a long time, enhancing the stability of connection and prolonging the service life of the turntable;

the semicircular arc 21 at the bottom of the protective cover 12 can be opened when the protective cover 12 rotates downwards, the protective cover 12 is convenient to detach, and the semicircular arc 21 can be attached to a threaded column of the connecting piece 11 by utilizing the elasticity of the rubber pad 22 when the protective cover 12 rotates upwards, so that the connecting piece 11 is protected.

When need turn to the regulation to antenna body 13, starter motor 5 for third gear 18 rotates, the use of cooperation second gear 17, make the central axis 6 rotate and drive dull and stereotyped 7 rotation, thereby be convenient for adjust the orientation of antenna body 13, utilize cylinder 16, can make rack 15 back-and-forth movement, thereby drive first gear 14 and movable block 9 rotation, be convenient for adjust the inclination of antenna body 13, make this revolving stage when adjusting antenna body 13 inclination, used simple structure need not spacing through complicated limit structure.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a small-size radar antenna revolving stage, includes mounting panel (2) and gear box (3), its characterized in that: one side of the mounting plate (2) is connected with a motor (5) through a bolt, and one end of the gear box (3) is rotationally clamped with a central shaft (6);

the antenna is characterized in that a flat plate (7) is fixedly connected to the top of the central shaft (6), a connecting frame (8) is fixedly connected to the top of the flat plate (7), a movable block (9) is connected to the surface of one side of the connecting frame (8) through a rotating shaft (10), a connecting piece (11) is fixedly connected to one side of the movable block (9), a protective cover (12) is connected to the connecting piece (11) in a threaded manner, and an antenna body (13) is connected to the tail end of the connecting piece (11) through a bolt;

the protective cover (12) comprises a pot cover (19), a flanging (20), semicircular arches (21) and rubber gaskets (22), wherein the flanging (20) is arranged at the edge of the pot cover (19), two semicircular arches (21) are arranged at the bottom of the pot cover (19), and the rubber gaskets (22) are arranged on one side of each semicircular arch (21).

2. A compact radar antenna turret according to claim 1, wherein: the bottom fixedly connected with base (1) of mounting panel (2), the top fixedly connected with gear box (3) of base (1), the top joint of gear box (3) has case lid (4).

3. A compact radar antenna turret according to claim 1, wherein: one end of the rotating shaft (10) is fixedly connected with a first gear (14), one side of the flat plate (7) is fixedly connected with an air cylinder (16), and the tail end of the air cylinder (16) is fixedly connected with a rack (15).

4. A compact radar antenna turret according to claim 2, wherein: the inside of gear box (3) is equipped with third gear (18) and second gear (17) with center pin (6) fixed connection with motor (5), second gear (17) with the insection meshes between third gear (18).

5. A compact radar antenna turret according to claim 1, wherein: round holes are formed in two sides of the connecting frame (8), and the outer side size of the rotating shaft (10) is identical to the inner diameter size of the round holes.

6. A compact radar antenna turret according to claim 1, wherein: the top of the connecting piece (11) is of a flange structure, and the bottom of the connecting piece (11) is of a threaded column structure.

7. A compact radar antenna turret according to claim 1, wherein: the protective cover (12) is made of flexible materials, and an integrated structure is formed among the pot cover (19), the flanging (20), the semicircular arc (21) and the rubber pad (22).

8. A compact radar antenna turret according to claim 3, wherein: the first gear (14) is provided with light holes which are annularly and uniformly distributed, and the first gear (14) is meshed with the racks (15).