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Antenna rotation supporting structure

A support structure and antenna technology, applied in the field of communication, can solve the problems of reducing antenna stability and reliability, poor antenna shock and vibration resistance, and increased antenna maintenance costs, so as to improve shock and vibration resistance and reduce use and maintenance Cost, effect of improving antenna performance

Pending Publication Date: 2020-06-16
CHENGDU SKYT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems of this structure are: 1. For example, the radiating layer of the VICTS antenna is a frame structure with an aluminum profile grid structure. The low strength of the turntable results in poor shock and vibration resistance of the antenna, increased antenna maintenance costs, and poor environmental adaptability. 2. For example, the radiation layer of the VICTS antenna is framed with an aluminum profile grille structure, and the turntable has low rigidity and the central axis is stressed, which is easily deformed under the action of external force, which reduces the stability and reliability of the antenna.

Method used

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Embodiment 1

[0024] An antenna rotation support structure provided by a preferred embodiment of the present invention includes a bearing seat 7 and a turntable, the lower part of the bearing seat 7 is axially floated above the bottom plate 2 through an elastic member, and the bearing seat 7 is radially positioned by the inner wall and the annular step of the bottom plate 2 , a plurality of thin-walled bearings 6 are arranged in sequence on the bearing seat 7, and a turntable is arranged between any two adjacent thin-walled bearings 6. The turntable is the bearing sleeve of the lower thin-walled bearing 6 and the mandrel of the upper thin-walled bearing 6 , the outer ring and the top of the uppermost thin-walled bearing 6 are installed in the gland 1, and the gland 1 is fixed on the bottom plate 2.

[0025] When working: if figure 2 In the prior art, the bearing seat supports the bottom turntable, and the edge of the turntable is rotated by balls. The bearing seat is located in the middle ...

Embodiment 2

[0028] In this embodiment, on the basis of the first embodiment, the number of turntables is 3, including L1 turntable 3 , L2 turntable 4 and L3 turntable 5 . The L1 turntable 3 is a slow wave layer, the L2 turntable 4 is a radiation layer, and the L3 turntable 5 is a polarization layer. The elastic component includes a spring and a wave washer. The thin-walled bearing 6 includes, but is not limited to, deep groove ball bearings, angular contact ball bearings, and point contact ball bearings.

[0029] When working: the bearing seat, L1, L2, L3 and the gland are respectively connected by thin-walled bearings, which can make L1, L2 and L3 rotate concentrically, and ensure the stability of the distance between layers; when the antenna encounters shock vibration At the same time, the axial force and radial force generated by the turntables of each layer are transmitted to the bottom plate and gland through thin-walled bearings.

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Abstract

The invention discloses an antenna rotation supporting structure, which comprises a bearing base and rotating discs. The lower side of the bearing base axially floats above a bottom plate through an elastic part; the bearing base is in radial positioning with the annular step of the bottom plate through the inner wall; a plurality of thin-wall bearings are sequentially arranged on the bearing base, and the rotating disc is arranged between any two adjacent thin-wall bearings; the rotating disc is a bearing sleeve of the lower-layer thin-wall bearing and a core shaft of the upper-layer thin-wall bearing; the outer ring and the top of the uppermost-layer thin-wall bearing are installed in a press cover; and the press cover is fixed to the bottom plate. All layers of rotating discs of the antenna can bear large axial force and radial force, so that the reliability and stability of the antenna are improved, and the use and maintenance cost is reduced; the impact vibration resistance of each layer of rotating disc of the antenna is greatly improved, and the antenna can adapt to harsh use environments; the central axis of the antenna can be removed, so that the antenna aperture efficiency can be effectively improved, and the antenna performance is improved.

Description

technical field [0001] The invention belongs to the communication field and relates to an antenna rotation support structure. Background technique [0002] With the development of modern communication technology, the structure of the antenna is different. The multi-layer differential turntable antenna is referred to as the antenna; it is one of the more important antennas, and the representative antenna is the VICTS antenna. The rotating support structure between the turntables of each layer in the antenna structure is particularly important, which directly determines the reliability, stability, and environmental adaptability of the antenna. [0003] The more commonly used antenna rotating support structure is to provide radial and axial positioning by the central axis between various moving discs, and the axial auxiliary support is provided by rollers at the edge. The problems of this structure are: 1. For example, the radiating layer of the VICTS antenna is a frame struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/12H01Q1/00
CPCH01Q1/12H01Q1/005
Inventor 林虎文忠罗忠超刘海
Owner CHENGDU SKYT TECH CO LTD
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