CN217881858U

CN217881858U - Low-orbit tracking antenna rotary table slewing bearing mechanism

Info

Publication number: CN217881858U
Application number: CN202221210774.3U
Authority: CN
Inventors: 胡园园; 刘力文; 孙鹏
Original assignee: Xi'an Yilong Weite Communication Technology Co ltd
Current assignee: Xi'an Yilong Weite Communication Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-22
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to the field of antennas, in particular to a low-orbit tracking antenna turntable slewing bearing mechanism, which comprises an outer ferrule and an inner ferrule arranged inside the outer ferrule, wherein the inner ferrule is formed by combining an upper inner ferrule and a lower inner ferrule, and a plurality of rolling bodies are coupled between the outer ferrule and the inner ferrule; the rolling body is a steel ball, a first V-shaped groove is formed in the outer sleeve ring, the upper inner sleeve ring and the lower inner sleeve ring are combined to form a second V-shaped groove, and the steel balls are located between the first V-shaped groove and the second V-shaped groove; the upper inner ring and the lower inner ring are fixedly connected through a bolt; the upper inner ring is provided with a positioning bulge, the lower inner ring is provided with a positioning groove, and the positioning bulge can be inserted into the positioning groove; an adjusting gasket is arranged between the upper inner ring and the lower inner ring; the integral structure can be simplified, and the installation and the maintenance are convenient.

Description

Low-orbit tracking antenna rotary table slewing bearing mechanism

Technical Field

The utility model relates to an antenna field, the more specifically low rail tracking antenna revolving stage slewing bearing mechanism that says so.

Background

The slewing mechanism of the existing antenna turntable uses a finished turntable bearing, can simultaneously bear comprehensive loads such as a large axial load, a radial load, an overturning moment and the like, integrates multiple functions such as supporting, rotating, driving, fixing and the like into a whole, and is a large bearing with a special structure, so that the structural design of the antenna turntable is compact and reliable.

It serves to connect the upper and lower parts of the machine together, and at the same time, to support the weight of the upper part and the loads applied during the operation of the machine, and to rotate the upper part of the machine relative to the lower part;

the existing slewing bearing mechanism is usually heavy, complex in structure, capable of greatly increasing the weight of the antenna if only used for an antenna turntable, inconvenient in later maintenance and high in maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low rail tracking antenna revolving stage slewing bearing mechanism can simplify overall structure, easy to assemble and maintenance.

The purpose of the utility model is realized through the following technical scheme:

a rotary supporting mechanism of a low-orbit tracking antenna rotary table comprises an outer sleeve ring and an inner sleeve ring arranged in the outer sleeve ring, wherein the inner sleeve ring is formed by combining an upper inner sleeve ring and a lower inner sleeve ring, and a plurality of rolling bodies are uniformly coupled between the outer sleeve ring and the inner sleeve ring;

the rolling body is a steel ball, a first V-shaped groove is formed in the outer sleeve ring, the upper inner sleeve ring and the lower inner sleeve ring are combined to form a second V-shaped groove, and the steel balls are located between the first V-shaped groove and the second V-shaped groove;

the upper inner ring and the lower inner ring are fixedly connected through a bolt;

the upper inner ring is provided with a positioning bulge, the lower inner ring is provided with a positioning groove, and the positioning bulge can be inserted into the positioning groove;

an adjusting gasket is arranged between the upper inner ring and the lower inner ring, and the adjusting gaskets are set to be different in thickness model;

and the outer ferrule is provided with a plurality of weight-reducing grooves.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a prior art structure;

fig. 2 is a schematic structural view of the low-orbit tracking antenna turntable slewing bearing mechanism of the present invention;

fig. 3 is a schematic structural view of a top view of the low-orbit tracking antenna turntable slewing bearing mechanism of the present invention;

fig. 4 is a schematic structural view of a cross-sectional view of the slewing bearing mechanism of the low-orbit tracking antenna turntable of the present invention;

FIG. 5 is a schematic view of a partially enlarged view of the section A of the present invention;

fig. 6 is a schematic structural view of the outer ferrule of the present invention;

fig. 7 is a schematic structural view of the upper inner ring and the lower inner ring of the present invention;

fig. 8 is a schematic view of the structure of the adjusting shim according to the present invention.

In the figure: an outer ferrule 1; an upper inner race 2; a lower inner race 3; a spacer 4 is adjusted; a first V-shaped groove 5; a second V-shaped groove 6; a weight-reduction groove 7; and a rolling body 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2 to 8, in order to solve the technical problem of "how to simplify the overall structure, facilitate installation and maintenance", the following describes the mechanism and function of a low-orbit tracking antenna turntable slewing bearing mechanism in detail;

a rotary supporting mechanism of a low-orbit tracking antenna turntable comprises an outer sleeve ring 1 and an inner sleeve ring arranged in the outer sleeve ring 1, wherein the inner sleeve ring is formed by combining an upper inner sleeve ring 2 and a lower inner sleeve ring 3, and a plurality of rolling bodies 8 are uniformly coupled between the outer sleeve ring 1 and the inner sleeve ring; the upper inner ring 2 and the lower inner ring 3 are fixedly connected through bolts;

as shown in fig. 1, mounting threaded holes are respectively designed on an inner ring and an outer ring 1 of the slewing bearing mechanism, in use, the outer ring 1 is connected with an antenna base frame, the inner ring is connected with an antenna turntable, and the outer ring 1 is driven to rotate so as to realize the rotation of the antenna turntable relative to the base frame;

a plurality of rolling bodies are uniformly distributed between the outer ferrule and the inner ferrule, the plurality of rolling bodies can reduce the friction force of the relative motion of the inner ferrule and the outer ferrule 1, and the inner ferrule is formed by fixedly connecting the upper inner ferrule 2 and the lower inner ferrule 3 through bolts, so that the inner ferrule is convenient to disassemble and mount and maintain;

the outer ring 1 is made of zinc-based alloy materials, a plurality of weight-reducing grooves 7 are formed in the outer ring 1, and the inner ring is made of aluminum alloy materials, so that the strength is guaranteed and the light weight is realized;

the rolling bodies 8 are steel balls, a first V-shaped groove 5 is formed in the outer ring 1, the upper inner ring 2 and the lower inner ring 3 are combined to form a second V-shaped groove 6, and the steel balls are located between the first V-shaped groove 5 and the second V-shaped groove 6;

a first V-shaped groove 5 is designed on the inner side of the outer ring 1, the upper inner ring and the lower inner ring are respectively designed with an inner tangent inclined plane, a second V-shaped groove 6 is formed after the inner tangent inclined planes are connected through a screw, and a plurality of steel balls are placed in a closed sliding groove formed by the first V-shaped groove 5 and the second V-shaped groove 6, so that the steel balls can be in contact with each other and are uniformly distributed in the sliding groove;

as shown in fig. 4 and 5, the upper inner ring 2 is provided with a positioning protrusion, the lower inner ring 3 is provided with a positioning groove, and the positioning protrusion can be inserted into the positioning groove to ensure the installation accuracy of the inner ring;

an adjusting gasket 4 is arranged between the upper inner ring 2 and the lower inner ring 3, and the adjusting gasket 4 is set to be different in thickness model;

as shown in fig. 8, the adjusting shim 4 is fan-shaped, slightly smaller than 1/4 of a circle, the opening is designed to avoid a mounting screw, the middle part protrudes inwards to facilitate the holding by hand during the mounting, the adjusting shim 4 is designed with several shims with different thicknesses for adjusting the distance between the upper inner ring 2 and the lower inner ring 3, and further adjusting the appearance of the second V-shaped groove 6, and during the first assembly, the adjusting shim is adjusted for multiple times to optimize the movement state between the outer ring 1 and the inner ring.

Claims

1. The utility model provides a low rail tracking antenna revolving stage slewing bearing mechanism, includes outer lasso (1) and sets up the inner race in outer lasso (1) inside, its characterized in that: the inner ring is composed of an upper inner ring (2) and a lower inner ring (3) in a combined mode, and a plurality of rolling bodies (8) are uniformly coupled between the outer ring (1) and the inner ring.

2. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 1, characterized in that: the rolling bodies (8) are steel balls.

3. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 2, characterized in that: a first V-shaped groove (5) is formed in the outer ring (1).

4. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 3, characterized in that: the upper inner ring (2) and the lower inner ring (3) are combined to form a second V-shaped groove (6).

5. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 4, characterized in that: the steel balls are all positioned between the first V-shaped groove (5) and the second V-shaped groove (6).

6. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 1, characterized in that: the upper inner ring (2) and the lower inner ring (3) are fixedly connected through bolts.

7. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 1, characterized in that: the upper inner ring (2) is provided with a positioning bulge, the lower inner ring (3) is provided with a positioning groove, and the positioning bulge can be inserted into the positioning groove.

8. The low-orbit tracking antenna turntable slewing bearing mechanism according to claim 1, characterized in that: an adjusting gasket (4) is arranged between the upper inner ring (2) and the lower inner ring (3).

9. The low-orbit tracking antenna rotary table slewing bearing mechanism of claim 8, characterized in that: the adjusting gaskets (4) are set to be different in thickness model.

10. The low-orbit tracking antenna turntable slewing bearing mechanism according to any one of claims 1 to 9, wherein: the outer ring (1) is provided with a plurality of weight-reducing grooves (7).