CN220366245U

CN220366245U - Active phased array antenna test frame

Info

Publication number: CN220366245U
Application number: CN202322015476.XU
Authority: CN
Inventors: 杨万群
Original assignee: Chengdu Zhixin Leitong Microsystem Technology Co ltd
Current assignee: Chengdu Zhixin Leitong Microsystem Technology Co ltd
Priority date: 2023-07-29
Filing date: 2023-07-29
Publication date: 2024-01-19
Anticipated expiration: 2033-07-29

Abstract

The utility model belongs to the technical field of active phased array antennas, and discloses an active phased array antenna test frame, which comprises: a base; the side wall of the vertical frame is connected with a fixed seat, a fixed plate is rotatably arranged on the inner side of the fixed seat, a linear guide rail is arranged on the side wall of the fixed plate, and a mounting plate is connected with the side wall of the linear guide rail in a sliding manner; the movable wheel is driven by the support plate to lift up and down through the cooperation of the structures such as the cavity groove, the support plate, the screw rod, the screw sleeve, the connecting rod and the like, so that the movable wheel can be taken in the base to quickly realize the stability of the device, and conversely, the movable wheel can be quickly released for use.

Description

Active phased array antenna test frame

Technical Field

The utility model belongs to the technical field of active phased array antennas, and particularly relates to an active phased array antenna test frame.

Background

Phased array antennas refer to antennas in which the pattern shape is changed by controlling the feed phase of radiating elements in an array antenna, and are classified into passive and active antennas, in which a receiving antenna module, a low noise amplifying module, and a power supply module are integrated inside the active antenna, and the passive antenna generally includes only a receiving antenna module.

In the chinese patent of patent number CN201621293091.3, an active phased array antenna debugging system test stand is disclosed, this test stand passes through level, perpendicular and elevation angle regulation measured piece, thereby realize all-round removal on ground, in order to adapt to the test requirement of phased array antenna that passageway quantity is many, and set up four adjustable supporting legs, in order to prevent that the universal castor from taking place to slide, but when in actual use, need manual repetition screw the swivel handle, in order to adjust the height of supporting legs, thereby prop up the universal castor, not only complex operation is inconvenient, influence work efficiency, and the lifting height of each supporting leg is unanimous that is difficult to guarantee, very influence stability.

Disclosure of Invention

The utility model aims to provide an active phased array antenna test rack, which solves the problems of complex and inconvenient operation and influence on stability in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an active phased array antenna test rack comprising:

a base;

the side wall of the vertical frame is connected with a fixed seat, a fixed plate is rotatably arranged on the inner side of the fixed seat, a linear guide rail is arranged on the side wall of the fixed plate, and a mounting plate is connected with the side wall of the linear guide rail in a sliding manner;

the movable support plate is arranged in the cavity groove, the moving wheels are arranged at the four ends of the bottom of the support plate, and a through hole facing the moving wheels is formed in the bottom of the base;

the screw rod is rotatably installed at the top end in the cavity, two spiral lines with opposite directions are symmetrically arranged on the outer wall of the screw rod, the outer walls of the two spiral lines are screwed and connected with a screw sleeve, and a connecting rod is hinged between the screw sleeve and the supporting plate.

Preferably, the active phased array antenna test rack further comprises: limiting blocks symmetrically fixed at two ends of the supporting plate and limiting grooves symmetrically arranged on two sides of the inner wall of the cavity groove, and the limiting blocks are in sliding connection with the limiting grooves.

Preferably, the active phased array antenna test rack further comprises: the screw bolt is arranged at the top of the movable wheel, and a thread groove matched with the screw bolt is formed at the bottom of the supporting plate.

Preferably, the fixing device further comprises a first driving assembly, the first driving assembly comprises a first motor arranged on one side of the fixing seat, and the fixing plate is driven to rotate through the first motor.

Preferably, the screw rod further comprises a second driving assembly, the second driving assembly comprises a second motor arranged at one end of the base, and the screw rod is driven to rotate through the second motor.

Preferably, a handle is fixed on the side wall of the vertical frame, and an insulating sleeve is arranged on the outer wall of the handle.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the cooperation of the structures such as the cavity groove, the supporting plate, the screw rod, the threaded sleeve, the connecting rod and the like, the supporting plate can drive the movable wheel to lift up and down, so that the movable wheel can be taken in the base to quickly realize the stability of the device, otherwise, the movable wheel can be quickly discharged for use, the operation is simple, convenient, stable and reliable, and the working efficiency and the safety are greatly improved;

the supporting plate can be limited and guided through the cooperation of the limiting block and the limiting groove, so that the supporting plate can stably and smoothly lift up and down along a straight line, the shaking of the moving wheel is avoided, and the stability of the structure is further improved;

meanwhile, through the cooperation of the stud and the thread groove, the movable wheel can be quickly detached and installed, so that the movable wheel is convenient to replace and maintain, and the practicability of the device is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the base of the present utility model;

fig. 3 is an enlarged view of a portion a in fig. 2;

in the figure: 1. a moving wheel; 2. a base; 3. a vertical frame; 4. a first motor; 5. a fixing seat; 6. a fixing plate; 7. a linear guide rail; 8. a mounting plate; 9. a screw; 10. a screw sleeve; 11. a cavity groove; 12. a second motor; 13. a limit groove; 14. a support plate; 15. a connecting rod; 16. a thread groove; 17. a stud; 18. a through hole; 19. and a limiting 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.

Referring to fig. 1-2, an active phased array antenna test rack comprising:

a base 2;

the vertical frame 3 is arranged at the top of the base 2, the side wall of the vertical frame 3 is connected with a fixed seat 5, a fixed plate 6 is rotatably arranged at the inner side of the fixed seat 5, a linear guide rail 7 is arranged at the side wall of the fixed plate 6, and a mounting plate 8 is slidably connected with the side wall of the linear guide rail 7;

further, the device also comprises a first driving assembly, the first driving assembly comprises a first motor 4 arranged on one side of the fixed seat 5, and the fixed plate 6 is driven to rotate by the first motor 4.

The movable support plate 14 is arranged in the cavity groove 11 formed in the base 2, the movable wheel 1 is arranged at the four ends of the bottom of the support plate 14, and a through hole 18 facing the movable wheel 1 is formed in the bottom of the base 2;

the screw rod 9 is rotatably installed at the inner top end of the cavity groove 11, two spiral lines with opposite directions are symmetrically arranged on the outer wall of the screw rod 9, the outer walls of the two spiral lines are screwed and connected with the screw sleeve 10, and the connecting rod 15 is hinged between the screw sleeve 10 and the supporting plate 14.

From the above, the antenna to be tested can be installed on the mounting plate 8 during use, the device can move in all directions on the ground through the moving wheel 1, and the fixing plate 6 is driven by the first motor 4 to rotate on the fixing seat 5, so that the fixing plate 6 can drive the antenna to rotate through the mounting plate 8, the elevation angle is adjusted, the mounting plate 8 is driven to lift through the linear guide rail 7, the height of the antenna can be adjusted, and then the test requirement of phased array antennas with a large number of channels can be effectively met.

Further, the device also comprises a second driving assembly, the second driving assembly comprises a second motor 12 arranged at one end of the base 2, and the screw 9 is driven to rotate by the second motor 12.

From the above, the screw rod 9 is driven to rotate by the second motor 12, so that the screw rod 9 drives the two threaded sleeves 10 on the screw rod 9 to move in opposite directions, and then the threaded sleeves 10 drive the supporting plate 14 to ascend by the connecting rod 15, so that the supporting plate 14 drives the movable wheel 1 to pass through the through hole 18 and enter the cavity 11, thereby accommodating the movable wheel 1, realizing the stability of the device rapidly, and conversely, the movable wheel 1 can be released again by driving the supporting plate 14 to descend, so that the device can be moved in all directions, and the operation is simple and convenient, stable and reliable, and the working efficiency and safety are greatly improved.

Referring to fig. 3, the active phased array antenna test rack further includes: limiting blocks 19 symmetrically fixed at two ends of the supporting plate 14 and limiting grooves 13 symmetrically arranged on two sides of the inner wall of the cavity groove 11, and the limiting blocks 19 are in sliding connection with the limiting grooves 13.

From the above, the support plate 14 drives the limiting block 19 to slide in the limiting groove 13, so that the support plate 14 can be guided in a limiting manner, the support plate 14 can be lifted up and down smoothly along a straight line, the shaking of the movable wheel 1 is avoided, and the stability of the structure is further improved.

The screw 17 is arranged at the top of the moving wheel 1, and the bottom of the supporting plate 14 is provided with a thread groove 16 matched with the screw 17.

From the above, the stud 17 and the thread groove 16 are mutually screwed and connected, so that the moving wheel 1 can be quickly disassembled and assembled, the moving wheel 1 can be conveniently replaced and maintained, and the practicability of the device is greatly improved.

Referring to fig. 1, a handle is fixed on the side wall of the stand 3, and an insulating sleeve is arranged on the outer wall of the handle; the push-pull device is convenient to push through the handle, and the insulating sleeve has the function of insulating electricity prevention.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An active phased array antenna test rack, comprising:

a base (2);

the device comprises a vertical frame (3) arranged at the top of a base (2), wherein the side wall of the vertical frame (3) is connected with a fixed seat (5), a fixed plate (6) is rotatably arranged at the inner side of the fixed seat (5), a linear guide rail (7) is arranged on the side wall of the fixed plate (6), and a mounting plate (8) is slidably connected with the side wall of the linear guide rail (7);

the movable support plate (14) is arranged in the cavity groove (11) formed in the base (2), the movable wheels (1) are arranged at the four ends of the bottom of the support plate (14), and a through hole (18) facing the movable wheels (1) is formed in the bottom of the base (2);

the screw rod (9) is rotatably arranged at the top end of the inside of the cavity groove (11), two spiral lines with opposite directions are symmetrically arranged on the outer wall of the screw rod (9), the outer walls of the two spiral lines are all screwed and connected with the screw sleeve (10), and a connecting rod (15) is hinged between the screw sleeve (10) and the supporting plate (14).

2. An active phased array antenna test rack as claimed in claim 1, further comprising: limiting blocks (19) symmetrically fixed at two ends of the supporting plate (14) and limiting grooves (13) symmetrically arranged on two sides of the inner wall of the cavity groove (11), and the limiting blocks (19) are in sliding connection with the limiting grooves (13).

3. An active phased array antenna test rack as claimed in claim 2, further comprising: the screw bolt (17) is arranged at the top of the moving wheel (1), and a thread groove (16) matched with the screw bolt (17) is formed at the bottom of the supporting plate (14).

4. An active phased array antenna test rack as claimed in claim 3, wherein: the fixing device further comprises a first driving assembly, the first driving assembly comprises a first motor (4) arranged on one side of the fixing seat (5), and the fixing plate (6) is driven to rotate through the first motor (4).

5. An active phased array antenna test rack as claimed in claim 4, wherein: the screw rod (9) is driven to rotate by the second motor (12).

6. An active phased array antenna test rack as claimed in claim 5, wherein: the side wall of the vertical frame (3) is fixed with a handle, and the outer wall of the handle is provided with an insulating sleeve.