CN220400889U - Lifting polarization installation mechanism - Google Patents

Abstract

The utility model discloses a lifting polarization installation mechanism, which comprises: the lifting mechanism comprises a lifting table plate and a platform plate, and the platform plate is arranged on the lifting table in a manner of being capable of moving up and down; the rotary driving device is fixed on the platform plate and is fixedly provided with an antenna array; and the limiting mechanism is arranged on the rotary driving device and the lifting mechanism and is used for limiting the rotation angle of the rotary driving device and the lifting position of the upper lifting mechanism. The lifting mechanism and the polarization rotating mechanism are arranged, so that the lifting of the antenna and the rotation of the antenna can be realized; in addition, the integrated design of the utility model has the characteristics of flexible and convenient use, movable whole body and simple whole structure, and simultaneously has the function of calibration and high integration degree.

Description

Lifting polarization installation mechanism

Technical Field

The utility model relates to the technical field of EMC equipment, in particular to a lifting polarization installation mechanism.

Background

In order to provide corresponding test guarantee conditions for the electromagnetic environment (HIRF) of the weapon equipment to adapt to the high-intensity radiation field, the electromagnetic environment adaptability of the weapon equipment is further improved, and a set of HIRF systems conforming to GJB1389A-2015 and GJB8848-2016 are required to be built. In view of the complexity of the HIRF system, most of the systems in China are large in size, heavy in mass and inconvenient to use.

Therefore, the lifting polarization installation mechanism is specifically provided for realizing lifting of the antenna and rotation of the antenna, and improving the convenience of use.

Disclosure of Invention

Aiming at the technical defects, the utility model aims to provide a lifting polarization installation mechanism so as to solve part or all of the technical problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a lifting polarization installation mechanism, which comprises: the lifting mechanism comprises a lifting table plate and a platform plate, and the platform plate is arranged on the lifting table in a manner of being capable of moving up and down;

the rotary driving device is fixed on the platform plate and is fixedly provided with an antenna array;

and the limiting mechanism is arranged on the rotary driving device and the lifting mechanism and is used for limiting the rotation angle of the rotary driving device and the lifting position of the upper lifting mechanism.

Preferably, the lifting table is provided with a rotatable screw rod and a lifter for driving the screw rod to rotate.

Preferably, the lifting platform further comprises a lower bottom plate, an upper top plate and a plurality of guide posts, wherein the guide posts are circumferentially fixed between the lower bottom plate and the upper top plate, and the platform plate is in sliding connection with the guide posts.

Preferably, the antenna array is connected with the rotation driving device through a polarizing disc, the other end of the rotation driving device is connected with a polarizing plate, and the polarizing plate is fixed with the platform plate.

Preferably, the limiting mechanism comprises a bump block, a limiting block and an electric limiter;

the electric limiters and the limiting blocks are respectively arranged on the rotary driving device, the electric limiters and the limiting blocks are arranged on the polarizing plate, and the collision blocks are arranged on the polarizing plate;

on the lifting mechanism, the bump block is arranged on the platform plate, and the upper top plate and the lower bottom plate are respectively provided with an electric limiter.

Preferably, the lifting mechanism is fixed on a mobile platform, and a plurality of universal wheels are arranged at the bottom of the mobile platform.

The utility model has the beneficial effects that: the lifting mechanism and the polarization rotating mechanism are arranged, so that the lifting of the antenna and the rotation of the antenna can be realized; in addition, the integrated design of the utility model has the characteristics of flexible and convenient use, movable whole body and simple whole structure, and simultaneously has the function of calibration and high integration degree.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an overall schematic diagram of a mobile device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an antenna polarization rotation mechanism;

FIG. 3 is a schematic elevation view of a lift mechanism;

FIG. 4 is a schematic side view of a lift mechanism;

FIG. 5 is a schematic diagram of a calibration apparatus;

FIG. 6 is a schematic diagram of a mobile platform;

reference numerals illustrate:

1-polarization rotating mechanism, 2-elevating platform, 3-antenna array, 4-calibration device;

11-polarizing plate, 12-rotary driving device, 13-motor, 14-polarizing disc, 15-limiting block, 16-electric limiter and 17-bump block;

21-an upper top plate, 22-a lower bottom plate, 23-a guide post and 24-a groove;

31-lifter, 33-screw rod and 35-platform plate;

41-moving platform, 42-limit pressing block.

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.

As shown in fig. 1-6, the present utility model provides a lifting polarization installation mechanism, which comprises a lifting mechanism, a rotation driving device 12 and a limiting mechanism;

the lifting mechanism comprises a lifting platform 2 and a platform plate 35, wherein the platform plate 35 is arranged on the lifting platform 2 in a vertically movable manner; as shown in fig. 4 and 5, the elevating platform 2 includes a screw 33, a screw nut, an elevator 31, a lower bottom plate 22, an upper top plate 21, and a guide post 23;

specifically, the lifter 31 is arranged on the lower bottom plate 22, the lifter 31 drives the screw rod 33 to rotate, and the top end of the screw rod 33 is rotationally connected with the upper top plate 21 through a bearing; the screw rod 33 is sleeved with a screw rod nut, and the platform plate 35 is fixed on the screw rod nut; the platform plate 35 is fixedly connected with the polarization plate 11 of the polarization rotation mechanism 1; in the embodiment, the lifting platform 2 adopts a mode that the lifting platform 31 is matched with the screw rod 33, the lifting platform 31 drives the screw rod 33 to rotate, and the screw rod nut is connected with the platform plate 35 to move up and down on the screw rod 33, so that the platform plate 35 drives the rotary driving device 12 to move up and down;

the lifting platform 2 has a plurality of guide posts 23 (three guide posts 23 in this embodiment), the guide posts 23 are circumferentially fixed between the lower plate 22 and the upper plate 21, (specifically, at three corners of the lower plate 22 and the upper plate 21), and the upper plate 21, the lower plate 22 and the three guide posts 23 form an integral frame; the upper top plate 21 is provided with a groove 24, and when the rotary driving device 12 rises to the top end of the lifting table 2, the antenna array 3 can pass through the groove 24;

the rotary driving device 12 is fixed on the platform plate 35, one end of the rotary driving device 12 is connected with the polarizing disc 14, one end of the polarizing disc 14 far away from the rotary driving device 12 is fixedly connected with the antenna array 3, and the other end of the rotary driving device 12 is connected with the polarizing plate 11; further, the rotary driving device 12 is an existing structure and mainly comprises a base, a rotary support, a worm and a motor 13; wherein the base of the slewing drive device 12 is connected with the polarizing plate 14 and the polarizing plate 11; the slewing bearing and the worm are arranged in the base, the worm is connected with the slewing bearing, and one end of the worm is connected with a motor 13 through a bearing; the rotary driving device 12 is driven by a motor 13 to drive the polarization plate 14 to rotate, so that the rotation of the antenna array 3 can be realized;

the limiting mechanism comprises a bump block 17, a limiting block 15 and an electric limiter 16, wherein the bump block 17, the limiting block 15 and the electric limiter 16 are positioned in the same rotary working surface, and the electric limiter 16 is specifically a travel switch;

in the slewing drive device 12, as shown in fig. 3, two electric limiters 16 and two limiting blocks 15 are respectively arranged on the polarizing plate 11, a bump 17 is fixed on the polarizing plate 14 and arranged between the two electric limiters 16, and the two electric limiters 16 are fixed on the circumference of the polarizing plate 11; the electric limiter 16 is arranged between the two limiting blocks 15; in the embodiment, the included angle between the two electric limiters 16 and the center position of the polarizing plate 11 is 90 degrees, and the antenna array 3 can perform any polarization adjustment of 0-90 degrees; taking the view direction of fig. 3 as an example, the electric limiter 16 on the left side of the bump 17 is set to be-45 DEG electric limit, and the electric limiter 16 on the right side of the bump 17 is set to be +45 DEG electric limit; when the antenna array 3 is in a polarized working state, the motor 13 drives the rotary driving device 12 to rotate; when the antenna array 3 rotates 45 degrees clockwise, the bump 17 touches +45 degrees of electric limit, and triggers a limit signal; when the antenna array 3 rotates 45 degrees anticlockwise, the touch block 17 touches-45 degrees to electrically limit, and a limit signal is triggered; in addition, a limiting block 15 is fixed on one side of the electric limiter 16 on the polarizing plate 11 far away from the bump 17, so as to prevent the electric limiter 16 from losing efficacy and playing a role in mechanical limiting protection;

in the lifting mechanism, a bump block 17 is arranged on a platform plate 35, and an electric limiter 16 is arranged on an upper top plate 21 and a lower bottom plate 22 for protection overshoot;

the lifting mechanism is fixed on the moving platform 41, a plurality of universal wheels are arranged at the bottom of the moving platform 41, and in the embodiment, six universal wheels are symmetrically arranged; in addition, other mechanisms, such as a chassis or a calibration device 4, may be further disposed on the mobile platform 41;

in this embodiment, as shown in fig. 1 and 5, two 25U standard cabinets may be fixed on the mobile platform 41, and a power amplifier, a power supply cabinet, and a servo control cabinet are fixed on the 25U standard cabinet; the mobile platform 41 can be further provided with a calibration device 4 for calibrating before testing the field intensity; the calibrating device 4 uses an aluminum profile frame and comprises a stand column, an antenna plate and a monitoring antenna, wherein the monitoring antenna is fixed on the antenna plate, and the antenna plate is fixed on the stand column; the movable platform 41 is provided with a sliding frame, the calibration device 4 is fixed at one end of the sliding frame, the sliding frame is arranged on the movable platform 41 in a sliding manner through a plurality of limiting press blocks 42 fixed on the movable platform 41, and a spiral handle can be arranged on the limiting press blocks 42 for locking.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. A lifting polarization mounting mechanism, comprising:

the lifting mechanism comprises a lifting table (2) and a platform plate (35), wherein the platform plate (35) is arranged on the lifting table (2) in a manner of being capable of moving up and down;

a rotation driving device (12), wherein the rotation driving device (12) is fixed on the platform plate (35), and an antenna array (3) is fixed on the rotation driving device (12);

and the limiting mechanism is arranged on the rotary driving device (12) and the lifting mechanism and is used for limiting the rotation angle of the rotary driving device (12) and the lifting position of the upper lifting mechanism.

2. A lifting polarization mounting mechanism according to claim 1, characterized in that the lifting table (2) is provided with a rotatable screw (33) and a lifter (31) for driving the screw (33) to rotate.

3. A lifting polarization mounting mechanism as claimed in claim 2, wherein the lifting platform (2) further comprises a lower base plate (22), an upper top plate (21) and guide posts (23), the guide posts (23) are plural, the guide posts (23) are circumferentially fixed between the lower base plate (22) and the upper top plate (21), and the platform plate (35) is slidably connected with the guide posts (23).

4. A lifting polarization mounting mechanism according to claim 3, characterized in that the antenna array (3) is connected with the rotary driving device (12) through a polarization plate (14), the other end of the rotary driving device (12) is connected with a polarization plate (11), and the polarization plate (11) is fixed with the platform plate (35).

5. A lifting polarization mounting mechanism according to claim 4, wherein the limiting mechanism comprises a bump (17), a limiting block (15) and an electrical limiter (16);

the electric limiters (16) and the limiting blocks (15) are respectively arranged on the rotary driving device (12), the electric limiters (16) and the limiting blocks (15) are arranged on the polarizing plate (11), and the collision blocks (17) are arranged on the polarizing plate (14);

on the lifting mechanism, the bump block (17) is arranged on the platform plate (35), and the upper top plate (21) and the lower bottom plate (22) are both provided with an electric limiter (16).

6. A lifting polarization mounting mechanism according to claim 1, wherein the lifting mechanism is fixed on a moving platform (41), and a plurality of universal wheels are arranged at the bottom of the moving platform (41).