CN216928947U

CN216928947U - Ku wave band polarization adjusting mechanism

Info

Publication number: CN216928947U
Application number: CN202220475869.1U
Authority: CN
Inventors: 杨志芬
Original assignee: JIANGYIN PENGLI ANTENNA CO LTD
Current assignee: JIANGYIN PENGLI ANTENNA CO LTD
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-08
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a Ku waveband polarization adjusting mechanism which comprises a base plate, wherein a waveguide tube is fixed on the base plate, a duplex device is rotatably arranged on the base plate and is mutually connected with the waveguide tube, a rotary transformer is arranged on the base plate and is connected with the duplex device through a gear speed changing unit, and the gear speed changing unit is configured to enable the rotation angles of the duplex device and the rotary transformer to be consistent. The utility model realizes speed change through the arrangement of the plurality of gears, so that the angular speeds of the rotary transformer and the double-power device are kept consistent, and meanwhile, the occupied space of the gears can be reduced through the arrangement of the plurality of gears, so that the overall volume of the polarization adjusting mechanism is reduced, the polarization adjusting mechanism can be suitable for installation in narrow space, and the practicability of the polarization adjusting mechanism is improved.

Description

Ku wave band polarization adjusting mechanism

Technical Field

The utility model belongs to the technical field of antennas, and particularly relates to a Ku wave band polarization adjusting mechanism.

Background

The antenna is a component used for transmitting or receiving electromagnetic waves in radio equipment, engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like transmit information by using the electromagnetic waves, all the engineering systems depend on the antenna to work, and the common antenna has reversibility, namely, the same pair of antennas can be used as a transmitting antenna and a receiving antenna.

The antenna is when polarization adjustment, usually through the turned angle that angle detection sensor detected the duplex ware, when in actual use, through gear connection between angle sensor and the duplex ware, for keeping angular velocity unanimous between the two, need set up a gear the same on with the duplex ware on the angle detection sensor, because the gear on the duplex ware is great, when setting up two great gears on polarization guiding mechanism, will increase polarization guiding mechanism's size greatly, lead to polarization guiding mechanism can't be applicable to less space installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a Ku waveband polarization adjusting mechanism to solve the technical problems that the existing polarization adjusting mechanism of an antenna is large in size and cannot be installed in a small space.

In order to achieve the above purpose, the specific technical scheme of the Ku waveband polarization adjusting mechanism of the utility model is as follows:

the utility model provides a Ku wave band polarization guiding mechanism, includes the backing plate, be fixed with the waveguide pipe on the backing plate, it is provided with the duplex ware to rotate on the backing plate, the duplex ware with waveguide pipe interconnect, be provided with rotary transformer on the backing plate, rotary transformer pass through gear speed changing unit with the duplex ware is connected, gear speed changing unit configuration be used for making the duplex ware with rotary transformer's turned angle keeps unanimous.

Preferably, the backing plate is provided with an opening, the opening is connected with one end of the mounting sleeve, the waveguide tube is fixed on the other end of the mounting sleeve through a bolt, and the double-power-unit is connected with the inner side wall of the mounting sleeve through a bearing.

Preferably, a fourth gear is arranged on the double-power device, a motor is arranged on the base plate, and the motor is in transmission connection with the fourth gear.

Preferably, the gear speed changing unit includes a second gear and a first gear which are concentrically arranged, the second gear and the first gear are both rotatably arranged on the backing plate, the fourth gear is engaged with the first gear, a third gear is arranged at a detection end of the resolver, the third gear is engaged with the first gear, a gear ratio of the fourth gear to the second gear is a first gear ratio, a gear ratio of the third gear to the first gear is a second gear ratio, and the first gear ratio is the same as the second gear ratio.

Preferably, the second gear with first gear is all installed in the pivot, be fixed with the adapter sleeve on the backing plate, the pivot with connect through the coupling bearing between the adapter sleeve, the inner circle of coupling bearing with the periphery fixed connection of pivot, the surface of the outer lane of coupling bearing with all be provided with the screw thread on the inside wall of adapter sleeve, the outer lane of coupling bearing with adapter sleeve threaded connection.

Preferably, the fourth gear is provided with a collision block, the base plate is provided with two limit switches, and the two limit switches are located on a rotation track of the collision block.

Preferably, the limit switch is connected with the base plate through a suction cup.

The Ku waveband polarization adjusting mechanism has the following advantages: realize the variable speed through setting up of a plurality of gears, make rotary transformer and the angular velocity of duplex ware keep unanimous, can reduce the occupation space of gear through arranging of a plurality of gears simultaneously, and then reduce the whole volume of polarization guiding mechanism, make its installation that can be applicable to narrow and small space, promote polarization guiding mechanism's practicality.

Drawings

Fig. 1 is a schematic structural diagram of a Ku-band polarization adjustment mechanism according to the present invention;

FIG. 2 is a cross-sectional view of the present invention;

the notation in the figure is: 1. a base plate; 2. a limit switch; 3. bumping the block; 4. a double-power device; 5. a fourth gear; 6. a third gear; 7. a second gear; 8. a first gear; 9. a rotary transformer; 10. a waveguide; 11. a motor; 12. installing a sleeve; 13. a rotating shaft; 14. a connecting sleeve.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, a Ku-band polarization adjustment mechanism according to the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, a Ku-band polarization adjustment mechanism comprises a backing plate 1, wherein the backing plate 1 is provided with an opening, the opening is connected with one end of a mounting sleeve 12, a waveguide tube 10 is fixed at the other end of the mounting sleeve 12 through a bolt, a duplex device 4 is connected with the inner side wall of the mounting sleeve 12 through a bearing, the duplex device 4 is connected with the waveguide tube 10, a fourth gear 5 is arranged on the duplex device 4, a motor 11 is arranged on the backing plate 1, the motor 11 is in transmission connection with the fourth gear 5, a second gear 7 and a first gear 8 are arranged on the backing plate 1, the second gear 7 and the first gear 8 are concentrically arranged and are both rotatably arranged on the backing plate 1, the fourth gear 5 is meshed with the first gear 8, a third gear 6 is arranged at the detection end of a rotary transformer 9, the third gear 6 is meshed with the first gear 8, the gear ratio of the fourth gear 5 to the second gear 7 is a first gear ratio, the gear ratio of the third gear 6 to the first gear 8 is a second gear ratio, and the first gear ratio is the same as the second gear ratio.

During the use, motor 11 provides power, be provided with the drive tooth on motor 11's the axle, drive tooth drive fourth gear 5 rotates, thereby drive duplex ware 4 rotates, realize the Ku wave band polarization adjustment of antenna, fourth gear 5, third gear 6, second gear 7 and the cooperation of first gear 8, make duplex ware 4 pivoted drive resolver 9's sense terminal rotate simultaneously, keep the angular velocity unanimity between the two simultaneously, make resolver can detect duplex ware 4 turned angle, realize the variable speed through a plurality of gears simultaneously, can choose the less gear of volume when guaranteeing the tooth ratio, thereby reduce the occupation space of gear, and then reduce the whole volume of polarization adjustment mechanism, make polarization adjustment mechanism can be suitable for and the installation of narrow and small position department on the antenna, promote polarization adjustment mechanism's practicality.

In order to meet the requirement of equipment maintenance, the second gear 7 and the first gear 8 are both installed on the rotating shaft 13, the base plate 1 is fixedly provided with the connecting sleeve 14, the rotating shaft 13 is connected with the connecting sleeve 14 through the connecting bearing, the inner ring of the connecting bearing is fixedly connected with the periphery of the rotating shaft 13, the outer surface of the outer ring of the connecting bearing and the inner side wall of the connecting sleeve 14 are both provided with threads, and the outer ring of the connecting bearing is in threaded connection with the connecting sleeve 14. Threaded connection between bearing and the adapter sleeve 14 can make things convenient for the dismouting of pivot 13, and then promotes the convenient degree of second gear 7 and the dismouting of first gear 8, promotes the convenient degree that polarization guiding mechanism maintained.

Certainly, the range of the rotation angle of the dual-power device 4 also needs to be limited, so the fourth gear 5 is provided with the collision block 3, the backing plate 1 is provided with the two limit switches 2, the two limit switches 2 are both located on the rotation track of the collision block 3, and the limit switches 2 are connected with the backing plate 1 through the suckers.

Can restrict through limit switch 2 and hit the rotation range of piece 3, and then realize the spacing to 4 turned angle scopes of duplex ware, limit switch 2 passes through the sucking disc to be fixed on backing plate 1 simultaneously, can promote the convenient degree to limit switch 2 mounted position regulation.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a Ku wave band polarization guiding mechanism, includes backing plate (1), be fixed with waveguide pipe (10) on backing plate (1), it is provided with duplex ware (4) to rotate on backing plate (1), duplex ware (4) with waveguide pipe (10) interconnect, its characterized in that:

the backing plate (1) is provided with a rotary transformer (9), the rotary transformer (9) is connected with the double-power device (4) through a gear speed change unit, and the gear speed change unit is configured to enable the double-power device (4) to keep consistent with the rotation angle of the rotary transformer (9).

2. The Ku waveband polarization adjusting mechanism is characterized in that an opening is formed in the base plate (1), a mounting sleeve (12) is connected to the opening, the waveguide tube (10) is fixed to the other end of the mounting sleeve (12) through a bolt, and the double-power-unit (4) is connected with the inner side wall of the mounting sleeve (12) through a bearing.

3. The Ku waveband polarization adjusting mechanism according to claim 1, wherein a fourth gear (5) is arranged on the dual-power unit (4), a motor (11) is arranged on the base plate (1), and the motor (11) is in transmission connection with the fourth gear (5).

4. The Ku band polarization adjustment mechanism according to claim 3, wherein the gear change unit comprises a second gear (7) and a first gear (8) which are concentrically arranged, the second gear (7) and the first gear (8) are both rotatably arranged on the backing plate (1), the fourth gear (5) is meshed with the first gear (8), a third gear (6) is arranged at the detection end of the rotary transformer (9), the third gear (6) is meshed with the first gear (8), the gear ratio of the fourth gear (5) to the second gear (7) is a first gear ratio, the gear ratio of the third gear (6) to the first gear (8) is a second gear ratio, and the first gear ratio is the same as the second gear ratio.

5. The Ku waveband polarization adjusting mechanism according to claim 4, wherein the second gear (7) and the first gear (8) are both mounted on a rotating shaft (13), a connecting sleeve (14) is fixed on the base plate (1), the rotating shaft (13) is connected with the connecting sleeve (14) through a connecting bearing, an inner ring of the connecting bearing is fixedly connected with the periphery of the rotating shaft (13), threads are arranged on the outer surface of an outer ring of the connecting bearing and the inner side wall of the connecting sleeve (14), and an outer ring of the connecting bearing is in threaded connection with the connecting sleeve (14).

6. The Ku waveband polarization adjusting mechanism according to claim 3, wherein a collision block (3) is arranged on the fourth gear (5), two limit switches (2) are arranged on the base plate (1), and the two limit switches (2) are both positioned on a rotation track of the collision block (3).

7. The Ku band polarization adjustment mechanism according to claim 6, wherein the limit switch (2) is connected to the shim plate (1) by a suction cup.