CN218005258U

CN218005258U - Portable antenna rotary table

Info

Publication number: CN218005258U
Application number: CN202222952232.XU
Authority: CN
Inventors: 张见文; 李新涛; 郭健; 刘志凯
Original assignee: Xi'an Tongfei Electronic Technology Co ltd
Current assignee: Xi'an Tongfei Electronic Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2022-12-09
Anticipated expiration: 2032-11-07

Abstract

The utility model belongs to the technical field of antenna turntables, in particular to a portable antenna turntable, which comprises a shell, wherein the upper end of the shell is rotatably provided with a mounting plate for mounting an antenna; the rotating mechanism comprises a rotary table bottom shaft extending out of the lower end of the shell, a first worm gear speed reducer fixedly arranged in the shell and in transmission connection with the rotary table bottom shaft, and a first motor for driving the first worm gear speed reducer; the pitching mechanism comprises a first yoke assembly and a second yoke assembly which are rotatably arranged on two sides of the shell, a second worm and gear speed reducer which is fixedly arranged in the shell and is in transmission connection with the first yoke assembly, and a second motor for driving the second worm and gear speed reducer, wherein the mounting plate is connected between the first yoke assembly and the second yoke assembly; the control mechanism comprises a servo driver for controlling the first motor and the second motor and a power supply for supplying power to the first motor and the second motor, and the servo driver is electrically connected with the power supply; has the advantages of small volume and light weight.

Description

Portable antenna rotary table

Technical Field

The utility model belongs to the technical field of the antenna revolving stage, concretely relates to portable antenna revolving stage.

Background

The portable antenna is a short for a portable ground station communication system, and multimedia information interaction such as voice, data, images and the like can be carried out uninterruptedly through the portable ground station antenna system; the antenna is used for directionally transmitting signals of the high-power amplifier to a free space, receiving electromagnetic wave signals of the directional free space and transmitting the electromagnetic wave signals to communication equipment, and the communication capacity of frequency band signals required by the antenna is realized; when the portable station antenna is used in an outdoor environment, the normal work of the sixth-level wind needs to be met, and the eighth-level wind is not damaged; in addition, the antenna needs to be rotated and tilted in the field use process so as to be accurately aligned to the target position; in the prior art, the antenna is generally placed and mounted through a rotary table with a rotating function, the rotary table generally has large volume and weight, and the internal structure is complicated, so that the antenna cannot be quickly assembled and disassembled, and is inconvenient to move and carry.

Disclosure of Invention

The utility model aims at providing a portable antenna revolving stage has small, light in weight's advantage, can realize quick assembly disassembly.

In order to achieve the purpose, the utility model is realized by the following technical scheme: provided is a portable antenna turntable including:

the antenna comprises a shell, wherein the upper end of the shell is rotatably provided with a mounting plate for mounting an antenna;

the rotating mechanism comprises a rotary table bottom shaft extending out of the lower end of the shell, a first worm gear speed reducer fixedly arranged in the shell and in transmission connection with the rotary table bottom shaft, and a first motor for driving the first worm gear speed reducer;

the pitching mechanism comprises a first yoke assembly and a second yoke assembly which are rotatably arranged on two sides of the shell, a second worm and gear speed reducer which is fixedly arranged in the shell and is in transmission connection with the first yoke assembly, and a second motor for driving the second worm and gear speed reducer, wherein the mounting plate is connected between the first yoke assembly and the second yoke assembly;

and the control mechanism comprises a servo driver for controlling the first motor and the second motor and a power supply for supplying power to the first motor and the second motor, and the servo driver is electrically connected with the power supply.

Furthermore, a first output gear is arranged on the first motor, a first input gear is arranged on the first worm gear speed reducer, a first transition gear is arranged on the motor fixing plate, and the first input gear is in transmission connection with the first output gear through the first transition gear.

Furthermore, a first hand wheel in transmission connection with the first input gear is arranged on the outer side of the shell.

Furthermore, the lower end of the shell is also provided with an azimuth dial connected with the rotary table bottom shaft.

Furthermore, a second output gear is arranged on the second motor, a second input gear is arranged on the second worm gear speed reducer, a second transition gear is arranged on the motor fixing plate, and the second input gear is in transmission connection with the second output gear through the second transition gear.

Furthermore, a second hand wheel in transmission connection with the second input gear is arranged on the outer side of the shell.

Furthermore, first yoke subassembly is including locating the first bearing of casing one side rotates and locates in the first bearing and with the first pivot of second worm gear speed reducer transmission connection, with first pivot fixed connection's first gland and fixed the locating first yoke in the first gland outside.

Further, the second forked arm assembly comprises a second bearing arranged on the other side of the shell, a second rotating shaft rotatably arranged in the second bearing, a second gland fixedly connected with the second rotating shaft, and a second forked arm fixedly arranged on the outer side of the second gland; the mounting plate is connected between the first prong and the second prong.

Furthermore, a fixing plate is fixedly arranged on the second rotating shaft, and an inclinometer and a sensor are arranged on the fixing plate.

Further, the control mechanism further comprises a filter electrically connected to the power source.

The utility model discloses following beneficial effect has:

the utility model discloses a portable antenna revolving stage passes through the power transmission of first motor of first worm gear speed reducer, reduces its slew velocity and improves the moment of torsion, and first worm gear speed reducer drive casing rotates on the horizontal plane, and the mounting panel that is used for installing the antenna that is located the casing upper end this moment just can rotate to realized the rotation of antenna on the horizontal plane; the power of the second motor is transmitted through the second worm gear speed reducer, the rotating speed of the second motor is reduced, the torque is improved, the second worm gear speed reducer drives the first fork arm assembly to rotate on the vertical surface, the mounting plate can be driven to rotate on the vertical surface, the pitching action of the mounting plate is realized, and the pitching action of the antenna is realized; through the control that combines servo driver to first motor and second motor, realized the rotation action of antenna at the horizontal plane and at the every single move action of vertical face, whole device is small, and weight is lighter, has better portability, simultaneously because the existence of first worm gear speed reducer and second worm gear speed reducer for the device has great moment of torsion, can adapt to the antenna of different grade type, has higher reliability, and the installation is dismantled also more conveniently, can realize quick assembly disassembly.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a portable antenna turntable according to an embodiment of the present invention;

fig. 2 is a schematic view of a portable antenna turntable provided in an embodiment of the present invention with a housing removed;

fig. 3 is a schematic view of a rotating mechanism provided in an embodiment of the present invention;

fig. 4 is a schematic view of another perspective of the rotating mechanism according to the embodiment of the present invention;

fig. 5 is a schematic view of a pitching mechanism provided in an embodiment of the present invention;

fig. 6 is a schematic view of a first yoke assembly, a second yoke assembly and a mounting plate connection provided by an embodiment of the present invention;

fig. 7 is an exploded view of a first yoke assembly provided by an embodiment of the present invention;

fig. 8 is an exploded view of a second boom assembly provided by an embodiment of the present invention.

The labels in the figures illustrate:

1. a housing; 2. a rotating mechanism; 3. a pitch mechanism; 4. a control mechanism; 11. mounting a plate; 12. a chassis; 13. a housing; 14. an azimuth dial; 21. a turntable bottom shaft; 22. a first worm gear reducer; 23. a first motor; 24. a first reducer fixing seat; 25. a first motor fixing plate; 31. a first yoke assembly; 32. a second boom assembly; 33. a second worm gear reducer; 34. a second motor; 35. a second reducer fixing seat; 36. a second motor fixing plate; 41. a servo driver; 42. a power source; 43. a driver fixing plate; 44. a power supply fixing plate; 45. a filter; 221. a first input gear; 222. a first hand wheel; 231. a first output gear; 251. a first transition gear; 252. a first buckle plate; 311. a first bearing; 312. a first rotating shaft; 313. a first gland; 314. a first yoke; 315. a first retainer ring; 316. a first seal ring; 321. a second bearing; 322. a second rotating shaft; 323. a second gland; 324. a second prong; 325. a second retainer ring; 326. a second seal ring; 327. a fixing plate; 328. an inclinometer; 329. a sensor; 331. a second input gear; 332. a second hand wheel; 341. a second output gear; 361. a second transition gear; 362. and a second buckle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Examples

Referring to fig. 1 to 8, a portable antenna turntable according to an embodiment of the present invention includes:

a housing 1, on the upper end of which a mounting plate 11 for mounting an antenna (not shown in the figure) is rotatably arranged;

the rotating mechanism 2 comprises a rotary table bottom shaft 21 extending out of the lower end of the shell 1, a first worm and gear speed reducer 22 fixedly arranged in the shell 1 and in transmission connection with the rotary table bottom shaft 21, and a first motor 23 used for driving the first worm and gear speed reducer 22;

the pitching mechanism 3 comprises a first yoke component 31 and a second yoke component 32 which are rotatably arranged on two sides of the shell 1, a second worm gear speed reducer 33 which is fixedly arranged in the shell 1 and is in transmission connection with the first yoke component 31, and a second motor 34 for driving the second worm gear speed reducer 33, and the mounting plate 11 is connected between the first yoke component 31 and the second yoke component 32;

the control mechanism 4 comprises a servo driver 41 for controlling the first motor 23 and the second motor 34 and a power supply 42 for supplying power to the first motor 23 and the second motor 34, wherein the servo driver 41 is electrically connected with the power supply 42.

Through the structure, in practical application, the portable antenna turntable of the embodiment of the present invention is adopted, the first worm gear speed reducer 22 and the second worm gear speed reducer 33 can be used as a power transmission mechanism to reduce the number of revolutions of the first motor 23 and the second motor 34 to a desired number of revolutions and obtain a large torque, which can be conveniently controlled, the whole portable antenna turntable uses the turntable bottom shaft 21 as a supporting structure, the turntable bottom shaft 21 is fixed on the external ground or a workbench (not shown in the figure), when the power supply 42 starts to supply power, the first motor 23 is controlled to start through the servo driver 41, the first worm gear speed reducer 22 transmits the power of the first motor 23 to reduce the rotating speed and improve the torque, the first worm gear speed reducer 22 is in transmission connection with the turntable bottom shaft 21, meanwhile, because the turntable bottom shaft 21 is fixed on the external ground or the workbench, when the turntable bottom shaft 21 and the housing 1 rotate relatively, the housing 1 can be driven to rotate on the horizontal plane, at this time, the mounting plate 11 for mounting the antenna can rotate, thereby realizing the rotation of the antenna on the horizontal plane; the servo driver 41 controls the second motor 34 to start, the second worm and gear speed reducer 33 transmits the power of the second motor 34, the rotating speed is reduced, and the torque is improved, the second worm and gear speed reducer 33 can drive the first yoke assembly 31 to rotate on the vertical surface, and the mounting plate 11 is connected between the first yoke assembly 31 and the second yoke assembly 32, and the second yoke assembly 32 is rotatably arranged on one side of the housing 1, so that when the second worm and gear speed reducer 33 drives the first yoke assembly 31 to rotate on the vertical surface, the first yoke assembly 31 can drive the mounting plate 11 to rotate on the vertical surface, the mounting plate 11 drives the second yoke assembly 32 to rotate on the vertical surface, the pitching action of the mounting plate 11 is realized, and the pitching action of the antenna is realized; through combining the control of servo driver 41 to first motor 23 and second motor 34, realized the rotation action of antenna at the horizontal plane and the pitching action at vertical face, whole device is small, and weight is lighter, has better portability, simultaneously because the existence of first worm gear speed reducer 22 and second worm gear speed reducer 33 for the device has great moment of torsion, can adapt to the antenna of different grade type, has higher reliability, and the installation is dismantled also more conveniently, can realize quick assembly disassembly.

Specifically, casing 1 includes chassis 12 and detains shell 13 of establishing on chassis 12, and slewing mechanism 2 locates on chassis 12, and on shell 13 was located to every single move mechanism 3, constitutes casing 1 through chassis 12 and shell 13, can be convenient for the dismantlement installation of portable antenna revolving stage, makes it have higher maintainability.

In this embodiment, a first reducer fixing seat 24 for fixing a first worm gear reducer 22 is provided on the chassis 12, the first worm gear reducer 22 is fixed on the first reducer fixing seat 24, a first motor fixing plate 25 is fixedly provided on the first reducer fixing seat 24, the first motor 23 is fixed on the first motor fixing plate 25, a driver fixing plate 43 is fixedly provided on the first reducer fixing seat 24, the servo driver 41 is fixed on the driver fixing plate 43, a power supply fixing plate 44 is fixedly provided on the first reducer fixing seat 24, and the power supply 42 is fixed on the power supply fixing plate 44; the first worm and gear speed reducer 22, the first motor 23, the servo driver 41 and the power supply 42 are respectively fixed on the chassis 12 through the first speed reducer fixing seat 24, the first motor fixing plate 25, the driver fixing plate 43 and the power supply fixing plate 44, so that the whole structure is more stable, and meanwhile, the dismounting and the mounting are convenient.

Specifically, a first output gear 231 is arranged on the first motor 23, a first input gear 221 is arranged on the first worm gear reducer 22, a first transition gear 251 is rotatably arranged on the first motor fixing plate 25, a first buckle plate 252 which is covered on the first transition gear 251 is also arranged on the first motor fixing plate 25, and the first input gear 221 is in transmission connection with the first output gear 231 through the first transition gear 251; the first transition gear 251 is disposed between the first input gear 221 and the first output gear 231, and functions as power transmission.

As a preferred embodiment, in the present embodiment, a first hand wheel 222 in transmission connection with the first input gear 221 is disposed on the outer side of the housing 13; the first hand wheel 222 is arranged to enable fine adjustment through the first hand wheel 222 outside the housing 13, and when the position where the servo driver 41 controls the first motor 23 to drive the chassis 12 to rotate is not very accurate, the fine adjustment can be achieved through rotation of the first hand wheel 222, so that accuracy of horizontal plane rotation is further improved.

Specifically, the lower end of the chassis 12 is further provided with an azimuth dial 14 connected with the turntable bottom shaft 21, and the azimuth dial 14 can clearly show the rotation amplitude and the angle of the chassis 12, so that workers can visually observe and read the azimuth dial.

In this embodiment, a second reducer fixing seat 35 for fixing the second worm gear reducer 33 is provided on the housing 13, the second worm gear reducer 33 is fixed on the second reducer fixing seat 35, a second motor fixing plate 36 is fixedly provided on the second reducer fixing seat 35, and the second motor 34 is fixed on the second motor fixing plate 36; the second worm gear reducer 33 and the second motor 34 are fixed on the shell 13 through the second reducer fixing seat 35 and the second motor fixing plate 36 respectively, so that the whole structure is more stable, and meanwhile, the disassembly and the assembly are convenient.

Specifically, a second output gear 341 is arranged on the second motor 34, a second input gear 331 is arranged on the second worm-gear speed reducer 33, a second transition gear 361 is rotatably arranged on the second motor fixing plate 36, a second buckle plate 362 covered on the second transition gear 361 is further arranged on the second motor fixing plate 36, and the second input gear 331 is in transmission connection with the second output gear 341 through the second transition gear 361; the second transition gear 361 is provided between the second input gear 331 and the second output gear 341, and functions as power transmission.

As a preferable embodiment, in the present embodiment, a second wheel 332 in transmission connection with the second input gear 331 is provided on the outer side of the housing 13; the second hand wheel 332 is arranged, fine adjustment can be performed through the second hand wheel 332 outside the housing 13, when the position where the servo driver 41 controls the second motor 34 to drive the mounting plate 11 to rotate is not very accurate, fine adjustment can be performed through rotation of the second hand wheel 332, and accuracy of rotation of the vertical surface is further improved.

In this embodiment, the first yoke assembly 31 includes a first bearing 311 disposed on one side of the housing 13, a first rotating shaft 312 rotatably disposed in the first bearing 311 and drivingly connected to the second worm gear reducer 33, a first gland 313 fixedly connected to the first rotating shaft 312, and a first yoke 314 fixedly disposed outside the first gland 313; the second worm gear reducer 33 drives the first rotating shaft 312 to rotate, and the first rotating shaft 312 rotates in the first bearing 311 to drive the first gland 313

The first pressing cover 313 can rotate to drive the first fork arm 314 fixed thereon to rotate.

Specifically, a first retainer ring 315 is further provided on the outer side of the first bearing 311, a first seal ring 316 is provided between the first shaft 312 and the first cover 313, the first retainer ring 315 is provided to block the first bearing 311, and the first seal ring 316 can increase the sealing performance between the first yoke assembly 31 and the housing 13.

In this embodiment, the second yoke assembly 32 includes a second bearing 321 disposed on the other side of the housing 13, a second rotating shaft 322 rotatably disposed in the second bearing 321, a second pressing cover 323 fixedly connected to the second rotating shaft 322, and a second yoke 324 fixedly disposed on the outer side of the second pressing cover 323; mounting plate 11 is connected between first prong 314 and second prong 324; when the second worm gear reducer 33 drives the first rotating shaft 312 to rotate and finally drives the first yoke 314 to rotate, the first yoke 314 can drive the mounting plate 11 to rotate, and the mounting plate 11 drives the second yoke 324 to rotate, so that the mounting plate 11 can be formed to rotate between the first yoke 314 and the second yoke 324, the pitching action of the mounting plate 11 is realized, and the pitching action of the antenna is realized.

Specifically, a second retainer ring 325 is further arranged on the outer side of the second bearing 321, a second seal ring 326 is arranged between the second rotating shaft 322 and the second gland 323, the second retainer ring 325 is used for retaining the second bearing 321, and the second seal ring 326 can increase the sealing performance between the second yoke arm assembly 32 and the housing 13; a fixed plate 327 is also fixedly arranged on the second rotating shaft 322, and an inclinometer 328 and a sensor 329 are arranged on the fixed plate 327; the cooperation of inclinometer 328 and sensor 329 can measure the inclination angle of fixed plate 327, thereby obtaining the inclination angle of mounting plate 11 and preventing mounting plate 11 from being excessively inclined.

As a preferred embodiment, the control mechanism 4 of the present invention further includes a filter 45 electrically connected to the power supply 42, wherein the filter 45 can effectively filter the frequency point of the specific frequency in the power supply 42 or frequencies other than the frequency point to obtain a power signal of the specific frequency, which is helpful for the stable operation of the servo driver 41.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A portable antenna turntable, comprising:

2. The portable antenna turntable of claim 1, wherein a first output gear is arranged on the first motor, a first input gear is arranged on the first worm gear reducer, and a first transition gear is arranged in the middle of the first output gear and the first input gear in a transmission manner.

3. The portable antenna turntable of claim 2, wherein a first hand wheel is provided on an outside of the housing in driving connection with the first input gear.

4. A portable antenna turntable according to claim 3, wherein the lower end of the housing is further provided with an orientation dial connected to the turntable base shaft.

5. The portable antenna turntable of claim 1, wherein a second output gear is provided on the second motor, a second input gear is provided on the second worm gear reducer, and a second transition gear is provided in an intermediate transmission manner between the second output gear and the second input gear.

6. The portable antenna turntable of claim 5, wherein a second hand wheel is provided on an outer side of the housing, the second hand wheel being in driving connection with the second input gear.

7. The portable antenna turntable of any one of claims 1 to 6, wherein the first yoke assembly comprises a first bearing disposed on one side of the housing, a first rotating shaft rotatably disposed in the first bearing and drivingly connected to the second worm gear reducer, a first gland fixedly connected to the first rotating shaft, and a first yoke fixedly disposed on an outer side of the first gland.

8. The portable antenna turntable of claim 7, wherein the second forked arm assembly comprises a second bearing disposed on the other side of the housing, a second rotating shaft rotatably disposed in the second bearing, a second pressing cover fixedly connected to the second rotating shaft, and a second forked arm fixedly disposed outside the second pressing cover; the mounting plate is connected between the first prong and the second prong.

9. The portable antenna turntable of claim 8, wherein a fixing plate is fixedly arranged on the second rotating shaft, and an inclinometer and a sensor are arranged on the fixing plate.

10. The portable antenna turntable of claim 1, wherein the control mechanism further comprises a filter electrically connected to the power supply.