CN220137206U - Turntable device for antenna test - Google Patents

Abstract

The utility model relates to the technical field of communication devices, in particular to a turntable device for antenna test, which comprises; the rotary table, the rotary component, the azimuth rotary shaft and the holding pole are fixed; the upper surface of the fixed turntable is horizontal; the rotating assembly is arranged on the fixed turntable and is used for driving the azimuth rotating shaft to horizontally rotate; the holding pole is used for mounting the antenna, is perpendicular to the azimuth rotating shaft and is in rotary connection with the azimuth rotating shaft; the utility model can improve the accuracy of the turntable device in the horizontal direction and the vertical direction while being convenient to operate.

Description

Turntable device for antenna test

Technical Field

The utility model relates to the technical field of communication test, in particular to a turntable device for antenna test.

Background

In order to accurately obtain the indexes such as the antenna radiation pattern, gain, impedance, polarization characteristics and the like, the microwave darkroom antenna needs to be tested. However, the existing test equipment has the problems of inconvenient operation and low precision, and still affects the precision of the test result.

Disclosure of Invention

The present utility model is directed to a turntable device for antenna testing, which solves one or more of the problems of the prior art, and provides at least one of the advantages of the turntable device.

In order to achieve the above object, the present utility model provides the following technical solutions:

a turntable device for antenna testing, comprising: the rotary table, the rotary component, the azimuth rotary shaft and the holding pole are fixed;

the upper surface of the fixed turntable is horizontal;

the rotating assembly is arranged on the fixed turntable and is used for driving the azimuth rotating shaft to horizontally rotate;

the holding pole is used for mounting the antenna, and is perpendicular to the azimuth rotating shaft and rotationally connected with the holding pole.

In some embodiments, the azimuth axis of rotation is disposed at a top end of the fixed turntable.

In some embodiments, the turntable device for antenna testing further comprises a fixed ring, wherein a scale is arranged on the fixed ring, and the scale is in a readable range when the holding pole falls down.

In some embodiments, the azimuth axis of rotation is centered on the horizontal surface of the fixed ring and the holding pole is centered on the horizontal surface of the azimuth axis of rotation.

In some embodiments, the fixed ring is disposed at a top end of the fixed turntable, and is capable of supporting the holding pole when the holding pole falls down.

In some embodiments, a locator is further provided on the fixed ring, and the locator is used for detecting a horizontal azimuth angle of the pole.

In some embodiments, a lodging trigger is provided on the azimuth axis, the lodging trigger being for detecting a vertical azimuth of the pole.

In some embodiments, the turntable device for antenna testing further comprises a controller, wherein the controller is respectively connected with the rotating assembly, the positioner and the lodging trigger, and is used for controlling the rotating assembly to horizontally rotate in response to a preset horizontal angle and controlling the lodging trigger to vertically rotate in response to a preset vertical angle.

In some embodiments, the rotating assembly comprises:

a servo motor fixedly installed inside the fixed turntable;

and one end of the rotating shaft is arranged on the fixed turntable through a bearing and is fixedly connected with the servo motor, and the other end of the rotating shaft is fixedly connected with the bottom end of the azimuth rotating shaft.

In some embodiments, the rotating shaft is fixedly connected with the servo motor through a first elastic coupling, and is fixedly connected with the bottom end of the azimuth rotating shaft through a second elastic coupling.

The utility model has the beneficial effects that: in the embodiment provided by the utility model, the fixed turntable is arranged to be horizontal on the upper surface, the rotating assembly drives the azimuth rotating shaft to horizontally rotate, the holding pole is vertically arranged with the azimuth rotating shaft and is in rotating connection, and the accuracy of the turntable device in the horizontal direction and the vertical direction can be improved while the operation is convenient, so that the accuracy of a test result is improved.

Drawings

FIG. 1 is an overall schematic diagram of a turntable device for antenna testing according to one embodiment;

FIG. 2 is a front view of a turret apparatus for antenna testing according to one embodiment;

fig. 3 is a top view of a pole according to an embodiment.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the present utility model will be further described with reference to the embodiments and the accompanying drawings.

In the description of the present utility model, the meaning of a number is not quantitative, and the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that elements are listed and may include other elements not expressly listed.

As shown in fig. 1, a turntable device for antenna test according to an embodiment of the present utility model includes: fixed turntable 100, rotating assembly 200, azimuth shaft 300, and holding pole 400;

the upper surface of the fixed turntable 100 is horizontal;

the rotating assembly 200 is disposed on the fixed turntable 100, and is configured to drive the azimuth rotating shaft 300 to horizontally rotate;

the holding pole 400 is used for mounting an antenna, and the holding pole 400 is perpendicular to the azimuth rotating shaft 300 and is in rotating connection.

It should be noted that, in the embodiment provided by the present utility model, when in operation, the rotation assembly 200 drives the azimuth rotation shaft 300 to horizontally rotate, so as to drive the holding pole 400 to horizontally rotate; because the azimuth rotating shaft 300 is horizontally arranged, and the holding pole 400 and the azimuth rotating shaft 300 rotate, when the holding pole 400 rotates, the rotating direction is vertical; when the antenna needs to be tested, the holding pole 400 is placed down, and after the antenna is mounted on the holding pole 400, the antenna can be adjusted to be in a vertical direction through the holding pole 400, and the horizontal direction of the antenna can be adjusted through the rotating assembly 200.

Through setting up fixed revolving stage 100 as the upper surface level, rotating assembly 200 drives azimuth pivot 300 horizontal rotation, and pole 400 sets up with azimuth pivot 300 is perpendicular, and rotates to be connected, can improve the precision of revolving stage device in horizontal direction and vertical direction when convenient operation to improve the accuracy of test result.

In some modified embodiments, the azimuth axis of rotation 300 is disposed at the top end of the fixed turntable 100,

in some modified embodiments, referring to fig. 2 and 3, the turntable device for antenna test further includes a fixed ring 500, and a scale 510 is disposed on the fixed ring 500, and is within a readable range of the scale 510 when the holding pole 400 falls down.

It should be noted that, in the embodiment provided by the present utility model, when the pole 400 falls down, the azimuth angle of the pole 400 can be intuitively obtained through the scale 510.

In some modified embodiments, the azimuth axis of rotation 300 is located at the horizontal surface center of the fixed ring 500, and the derrick 400 is located at the horizontal surface center of the azimuth axis of rotation 300.

In the embodiment provided by the utility model, the relative positions of the azimuth rotating shaft 300, the fixed ring 500 and the holding pole 400 are strictly set, so that when the holding pole 400 falls down along any direction, the distance between the bottom end of the holding pole 400 and the fixed ring 500 is consistent, thereby improving the accuracy of the turntable device and further improving the antenna test precision.

In some modified embodiments, the fixed ring 500 is disposed at the top end of the fixed turntable 100, and can support the holding pole 400 when the holding pole 400 falls down.

In some modified embodiments, a locator 520 is further provided on the fixed ring 500, and the locator 520 is used to detect the horizontal azimuth angle of the pole 400.

In some improved embodiments, a lodging trigger 310 is provided on the azimuth shaft 300, and the lodging trigger 310 is used to detect the vertical azimuth angle of the pole 400.

It should be noted that in the embodiment provided by the present utility model, the device for controlling the falling position of the turntable mounting holding pole 400 of the antenna test system is provided, so that the rotation angle can be accurately controlled.

In some improved embodiments, the turntable device for antenna test further includes a controller connected to the rotation assembly 200, the positioner 520, and the lodging trigger 310, respectively, for controlling the rotation assembly 200 to horizontally rotate in response to a preset horizontal angle, and controlling the lodging trigger 310 to vertically rotate in response to a preset vertical angle.

The controller is configured to control the rotation assembly 200 to horizontally rotate, detect a horizontal azimuth angle of the holding pole 400 through the locator 520, detect a vertical azimuth angle of the holding pole 400 through the lodging trigger 310, and control the rotation assembly 200 and the lodging trigger 310 to stop driving when the horizontal azimuth angle and the vertical azimuth angle reach preset angle values.

In some modified embodiments, the rotating assembly 200 includes:

a servo motor fixedly installed inside the fixed turntable 100;

and one end of the rotating shaft is installed on the fixed turntable 100 through a bearing and is fixedly connected with the servo motor, and the other end of the rotating shaft is fixedly connected with the bottom end of the azimuth rotating shaft 300.

In some modified embodiments, the rotation shaft is fixedly connected to the servo motor through a first elastic coupling, and is fixedly connected to the bottom end of the azimuth rotation shaft 300 through a second elastic coupling.

The embodiments described in the embodiments of the present utility model are for more clearly describing the technical solutions of the embodiments of the present utility model, and do not constitute a limitation on the technical solutions provided by the embodiments of the present utility model, and those skilled in the art can know that, with the evolution of technology and the appearance of new application scenarios, the technical solutions provided by the embodiments of the present utility model are equally applicable to similar technical problems.

It will be appreciated by persons skilled in the art that the technical solutions shown in the drawings are not meant to limit the embodiments of the present utility model, and that the terms "first," "second," "third," "fourth," etc. (if any) in the description of the present utility model and the above drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

It should be understood that in the present utility model, "at least one (item)" means one or more, and "a plurality" means two or more. "and/or" for describing the association relationship of the association object, the representation may have three relationships, for example, "a and/or B" may represent: only a, only B and both a and B are present, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.

The preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, and are not thereby limiting the scope of the claims of the embodiments of the present utility model. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the embodiments of the present utility model shall fall within the scope of the claims of the embodiments of the present utility model.

Claims (10)

1. A turntable device for antenna testing, comprising: the rotary table comprises a fixed rotary table (100), a rotary assembly (200), an azimuth rotary shaft (300) and a holding pole (400);

the upper surface of the fixed turntable (100) is horizontal;

the rotating assembly (200) is arranged on the fixed rotary table (100) and is used for driving the azimuth rotary shaft (300) to horizontally rotate;

the holding pole (400) is used for mounting an antenna, and the holding pole (400) is vertically arranged with the azimuth rotating shaft (300) and is in rotating connection.

2. Turntable device for antenna testing according to claim 1, characterized in that the azimuth axis of rotation (300) is provided at the top end of the stationary turntable (100).

3. Turntable device for antenna test according to claim 1, characterized in that it further comprises a fixed ring (500), on which fixed ring (500) a scale (510) is arranged, which scale (510) is in readable range when the pole (400) falls down.

4. A turret device for antenna testing according to claim 3, characterized in that the azimuth axis of rotation (300) is located in the horizontal surface center of the fixed ring (500), and the holding pole (400) is located in the horizontal surface center of the azimuth axis of rotation (300).

5. A turret device for antenna testing according to claim 3, characterized in that said fixed ring (500) is provided on the top end of said fixed turret (100) and is able to support said holding pole (400) when said holding pole (400) is fallen down.

6. A turret device for antenna testing according to claim 3, characterized in that a locator (520) is also provided on the fixed ring (500), said locator (520) being adapted to detect the horizontal azimuth angle of the mast (400).

7. Turntable device for antenna test according to claim 6, characterized in that a lodging trigger (310) is provided on the azimuth axis (300), said lodging trigger (310) being used for detecting the vertical azimuth angle of the mast (400).

8. The turntable device for antenna test according to claim 7, further comprising a controller connected to the rotation assembly (200), the positioner (520) and the lodging trigger (310), respectively, the controller being configured to control the rotation assembly (200) to horizontally rotate in response to a preset horizontal angle and to control the lodging trigger (310) to vertically rotate in response to a preset vertical angle.

9. Turntable device for antenna testing according to claim 1, characterized in that said rotating assembly (200) comprises:

a servo motor fixedly installed inside the fixed turntable (100);

one end of the rotating shaft is arranged on the fixed rotary table (100) through a bearing and is fixedly connected with the servo motor, and the other end of the rotating shaft is fixedly connected with the bottom end of the azimuth rotating shaft (300).

10. Turntable device for antenna test according to claim 9, characterized in that the rotation shaft is fixedly connected with the servo motor via a first elastic coupling and with the bottom end of the azimuth rotation shaft (300) via a second elastic coupling.