Universal antenna test platform

Abstract

The utility model belongs to the technical field of radar test equipment, and discloses a general antenna test platform, which comprises a chassis, a working platform, a support frame and a fan array, the working platform is rotatably assembled on the chassis, the support frame and the fan array are assembled on the working platform, an antenna panel is arranged on the support frame, and the fan array is arranged on the antenna panel. A leveling system is arranged on the testing platform and comprises electric leveling legs evenly distributed at the bottom of the chassis and a gradienter arranged on the working platform, and leveling of the testing platform is achieved. The universal antenna test platform can solve the related problems of large-scale antenna transfer, erection and test. The test platform can solve the related problems of large-scale antenna transfer, erection and test.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to radar test equipment technical field, in particular to a general antenna test platform. BACKGROUND

[0002] After active phased array antenna completes assembly, needs to carry out direction diagram and so on electric performance test to it. Antenna test platform can erect active phased array antenna in darkroom, makes the stable relative relation of antenna and scanning frame. Antenna test platform can also provide corresponding power supply, thermal control and other resources for antenna, to facilitate on-site operation of adjustment personnel.

[0003] But in the prior art, such equipment has many inconveniences in use, the upper platform and the lower platform of some antenna array surface test platforms are rotated through gears, which are limited by the size of the gears and the upper platform, and cannot realize rotation and flatness guarantee of large-size antennas. For example, some antenna test platforms meet the testing requirements of large-size antennas, but they realize platform fixing and horizontal plane adjustment through manual adjustment of auxiliary supporting legs, greatly depend on personnel experience, and occupy scientific research and production time. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides a general antenna test platform to solve the related problems of large-scale antenna transfer, erection and testing.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A general antenna test platform, comprising a chassis, a working platform, a support frame and a fan array, the working platform is rotatably assembled on the chassis, the support frame and the fan array are assembled on the working platform, and an antenna panel is installed on the support frame, the test platform is provided with a leveling system, which comprises electric leveling legs uniformly distributed on the bottom of the chassis and a leveler arranged on the working platform, to realize leveling of the test platform.

[0007] Further, the support frame protrudes outside the working platform.

[0008] Further, the chassis further comprises a chassis framework, a rotating device, an adjusting device and universal wheels, the rotating device is installed at the center position of the chassis framework, the adjusting device is symmetrically installed on one side of the chassis framework, and the universal wheels are symmetrically installed at the bottom of the chassis framework.

[0009] Further, the working platform further comprises a working platform framework, universal balls and auxiliary supporting legs, the universal balls are uniformly distributed on the lower side of the working platform framework, and the auxiliary supporting legs are distributed at the four corners of the working platform framework.

[0010] Further, the support frame comprises a support framework, an adjusting frame, a reference device, an antenna panel adjusting device, and an antenna panel fixing seat; the adjusting frame is installed on one side of the upper surface of the support framework, the adjusting frame is arranged on the back side of the support framework, and the adjusting frame comprises a middle adjusting frame arranged in the middle of the support framework and side adjusting frames arranged at both ends of the support framework; the reference device is installed on the bottom side of the support framework and comprises X-direction reference, Y-direction reference and Z-direction reference; the antenna panel adjusting device is arranged on the inner side of the Z-direction reference, and the antenna panel fixing seat is arranged on the bottom side of the support framework.

[0011] Further, the fan array is arranged on the other side of the upper surface of the working platform relative to the support frame and comprises a fan back frame and fans.

[0012] Further, the number of groups of the fan array is matched with the number of antenna panels.

[0013] Further, the bottom disc is provided with an AGV interface.

[0014] Further, the side end of the bottom disc is provided with a lower ladder, and the side end of the working platform is correspondingly provided with an upper ladder.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] (1) The universal wheel of the utility model can realize the transfer work of the test platform in a limited factory building, the AGV interface of the utility model is the basis for realizing automatic transfer, and the universal wheel can realize free movement, so that the large-scale antenna transfer problem is solved.

[0017] (2) The leveling system composed of the electric leveling legs and the leveler can realize the precise test platform erection and leveling function, and can realize the automatic leveling function to improve the erection efficiency.

[0018] (3) The fan array of the utility model can provide a multi-gear solution according to the heat dissipation requirements of different antennas. DRAWINGS

[0019] Figure 1 It is a whole schematic view of a general antenna test platform of the utility model;

[0020] Figure 2 It is a left view of Figure 1

[0021] Figure 3 It is a schematic view of a bottom disc;

[0022] Figure 4 It is a schematic view of a working platform;

[0023] Figure 5 It is a schematic view of a support frame;​

[0024] Figure 6 is a schematic view of a fan array;

[0025] Figure 7 is a schematic view of an antenna panel being erected;

[0026] Figure 8 is a left view of Figure 7 ;

[0027] In the figure, 1, base plate; 11, base plate skeleton; 12, rotating device; 13, adjusting device; 14, universal wheel; 15, electric leveling leg; 16, lower ladder stand;

[0028] 2, working platform; 21, working platform skeleton; 22, universal ball; 23, auxiliary supporting leg; 24, upper ladder stand; 25, level meter;

[0029] 3, supporting frame; 31, supporting frame skeleton; 32, middle adjusting frame; 33, side adjusting frame; 34, X-direction reference; 35, Y-direction reference; 36, Z-direction reference; 37, antenna panel adjusting device; 38, antenna panel fixing seat;

[0030] 4, fan array; 41, fan back frame; 42, fan;

[0031] 5, antenna panel; 51, antenna panel A; 52, antenna panel B; 53, antenna panel C; 54, antenna panel D. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "sleeve / interface", "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0035] As Figures 1-2 Shown, it is a general type antenna test platform, including chassis 1, work platform 2, support frame 3, fan array 4, the work platform 2 rotatable assembly is in chassis 1, support frame 3 and fan array 4 are assembled in the front and rear sides of work platform 2, the chassis 1 as the base of test platform, bears the platform movement and fixed, the work platform 2 provides the workable area for operator, and can rotate relative to chassis 1, the support frame 3 is used for the support of antenna array surface, and the antenna array surface can be assembled and carry out test on this basis, the fan array 4 is the heat dissipation system of test platform.Antenna panel 5 is installed on support frame 3, support frame 3 slightly protrudes from work platform 2, ensures that the forward of antenna panel 5 is not blocked, and the necessary space between fan array 4 and support frame 3 is ensured, which is convenient for heat convection and personnel activity.

[0036] As Figure 3 Shown, the chassis 1 includes chassis framework 11, rotating device 12, adjusting device 13, universal wheel 14, electric leveling leg 15 and lower ladder 16.

[0037] Among them, the chassis framework 11 is composed of truss of multiple groups of aluminum square tubes, which is a chassis force member, and the outer contour is covered with a decorative skin;The rotating device 12 is installed at the center position on the chassis framework 11, for realizing the relative rotation of the work platform 2 and the chassis 1;Adjusting device 13 includes 2, symmetrically installed on one side of the chassis framework 11, for realizing the relative rotation of the work platform 2;The universal wheel 14 and the electric leveling leg 15 all include multiple groups, symmetrically installed at the bottom of the chassis framework 11, the universal wheel 14 is used for realizing the transfer and movement of the test platform;The electric leveling leg 15 is symmetrically and uniformly distributed at the bottom of the chassis framework 11, for realizing the automatic leveling of the test platform;The lower ladder 16 is installed at the side end of the chassis 1, for facilitating the operator to go up and down the platform.

[0038] In the embodiment, as Figure 3As shown, the universal wheels 14 are preferably in 3 groups, a total of 6, and the electric leveling legs 15 are preferably in 4 groups, a total of 8, symmetrically and evenly distributed on the bottom of the chassis skeleton 11; the lower ladders 16 are preferably in 2 groups, symmetrically installed on the left and right ends of the chassis 1. The chassis skeleton 1 is provided with an AGV interface, and sufficient space is left on the left and right sides to facilitate the free entry and exit of the AGV into the chassis for transfer.

[0039] As shown in Figure 4 , the working platform 2 comprises a working platform skeleton 21, universal balls 22, auxiliary support legs 23, upper ladders 24, and a level 25.

[0040] Among them, the working platform skeleton 21 is composed of multiple groups of aluminum square tubes to form a truss structure, which is a load-bearing member of the working platform and is installed on the rotating device 12. Its outer contour is covered with a decorative skin, and its upper surface is covered with a patterned aluminum plate. The universal balls 22 are arranged in multiple groups and evenly distributed on the underside of the working platform skeleton 21, facilitating the rotation of the working platform. The auxiliary support legs 23 are distributed at the four corners of the working platform skeleton 21 and are used for auxiliary support after the working platform is rotated into position. The upper ladders 24 are arranged corresponding to the positions of the lower ladders 16 and are used for operators to go up and down the platform. The level 25 is arranged on the upper surface of the working platform skeleton 21 and is used for testing the automatic leveling of the platform.

[0041] The leveling system composed of the electric leveling legs 15 of the chassis 1 and the level 25 of the working platform 2 realizes the leveling and fixing functions of the universal antenna test platform.

[0042] In this embodiment, as shown in Figure 4 , the universal balls 22 are preferably in 6 groups and are evenly distributed on the underside of the working platform skeleton 21; the upper ladders 24 are preferably in 2 groups and are respectively installed on the left and right ends of the working platform skeleton 21; and the level 25 is preferably in 3 groups and is evenly distributed on the upper surface of the working platform skeleton 21.

[0043] As shown in Figure 5 , the support frame 3 comprises a support skeleton 31, an adjustment frame, a reference device, an antenna panel adjustment device 37, and an antenna panel fixing seat 38.

[0044] The support framework 31 is a support frame bearing member; the adjusting frame is a back frame of the support framework 31, including a middle adjusting frame 32 arranged in the middle of the support framework 31 and an edge adjusting frame 33 arranged at both ends of the support framework 31, both of which can adjust the posture of the support framework 1 through the spherical top rod thereof, and the edge adjusting frame 33 provides a handrail area for the operator to go up and down the ladder compared with the middle adjusting frame 32; the reference device is installed at the bottom side of the support framework 31 and includes an X-direction reference 34, a Y-direction reference 35 and a Z-direction reference 36, which are arranged along the X-direction, the Y-direction and the Z-direction respectively, and are reference blocks for the antenna panel to be assembled to the test platform; the antenna panel adjusting device 37 is arranged at the inner side of the Z-direction reference 36 and is used for fine adjustment of the antenna panel 5 on the test platform; and the antenna panel fixing seat 38 is arranged at the bottom side of the support framework 31 and is a mounting support for fixing the antenna panel firmly after the antenna panel is adjusted to the position.

[0045] As shown in Figure 6 , the fan array 4 is a heat dissipation system of the test platform and includes a fan back frame 41 and fans 42, and a plurality of fans 42 can be arranged according to the number of test panels to realize full coverage of the heat dissipation space.

[0046] In the embodiment, eight fans 42 are arranged in the form of two rows and four columns on the fan back frame 41, and each group is arranged in the upper and lower positions and corresponds to one antenna panel 5, and gaps are left between the groups. Large through holes are left on the fan back frame 41 to facilitate air convection.

[0047] As shown in Figures 7-8 , the antenna panel 5 is a target erecting object and a plurality of antenna panels 5 can be arranged to be tested simultaneously, for example, four antenna panels 5, namely, an antenna panel A 51, an antenna panel B 52, an antenna panel C 53 and an antenna panel D 54, can be tested simultaneously in the embodiment.

[0048] The use steps of the universal antenna test platform in the embodiment are as follows:

[0049] 1. The antenna panel is installed on the universal antenna test platform in the assembly workshop.

[0050] (1) The universal antenna test platform is transported to the designated operation area in the assembly workshop, and the electric leveling legs 15 are placed on the ground to enable the entire test platform to be stably parked.

[0051] (2) The antenna panels are hoisted and installed on the support frame 3 in sequence, and the position of each antenna panel is determined by referring to the corresponding X-direction reference 34, Y-direction reference 35 and Z-direction reference 36, fine adjustment is performed through the panel adjusting device 37, and finally the antenna panel is fixed through the antenna panel fixing seat 38.

[0052] (3) After the assembly of the four antenna panels is completed, the full-surface flatness of the antenna panels A-D is measured, and the adjusting frame 32 and the edge adjusting frame 33 are adjusted if necessary.

[0053] (4) After the electric leveling legs 15 are retracted, the antenna test platform is lifted by the AGV vehicle as a whole or by the universal wheels 14, so as to realize the transfer of the antenna test platform from the assembly workshop to the darkroom as a whole.

[0054] 2. Adjust the relative relationship between the antenna panel and the scanning frame in the darkroom.

[0055] (1) After the antenna test platform is parked in the designated area of the darkroom, the electric leveling legs 15 are lowered, and the leveling instrument 25 is adjusted to achieve the leveling requirement, so as to realize the leveling of the universal antenna test platform.

[0056] (2) The rotating device 12 is rotated by the adjusting device 13, so that the antenna panel 5 is perpendicular to the support frame 3, and is fixed firmly by the auxiliary support foot 23.

[0057] (3) The antenna test platform is finely adjusted by full-field scanning of the scanning frame.

[0058] Thus, the erection of the antenna test platform in the darkroom is completed. During the test of the antenna in the darkroom, the fan array 4 is adjusted according to the working condition.

[0059] The universal antenna test platform described in the embodiment realizes the overall transfer by the AGV interface or the universal wheels, realizes the automatic leveling function of the test platform by the electric leveling legs and the leveling instrument, realizes the hoisting and alignment of the antenna by the reference device on the support frame, realizes the multi-directional static adjustment demand by the adjustable mechanism on the test platform, and provides a multi-gear cooling solution by the fan array.

[0060] Finally, it should be noted that the above is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features with equivalent ones, but any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A universal antenna test platform, characterized by, The utility model relates to a test platform, including chassis (1), work platform (2), support frame (3), fan array (4), work platform (2) rotatable assembly is in chassis (1), support frame (3) with fan array (4) assembly is in work platform (2), antenna panel (5) is installed on support frame (3), the test platform is equipped with leveling system, including the electric leveling leg (15) of uniform distribution in the bottom of chassis (1) and the level meter (25) set up on work platform (2), realize the leveling of test platform.

2. The universal antenna test platform of claim 1, wherein, The support frame (3) protrudes outside the work platform (2).

3. The universal antenna test platform of claim 1, wherein, The chassis (1) further includes a chassis framework (11), a rotating device (12), an adjusting device (13), and universal wheels (14), the rotating device (12) is installed at the center of the chassis framework (11), the adjusting device (13) is symmetrically installed on one side of the chassis framework (11), and the universal wheels (14) are symmetrically installed at the bottom of the chassis framework (11).

4. The universal antenna test platform of claim 1, wherein, The work platform (2) further includes a work platform framework (21), universal balls (22), and auxiliary support legs (23), the universal balls (22) are uniformly distributed on the underside of the work platform framework (21), and the auxiliary support legs (23) are distributed at the four corners of the work platform framework (21).

5. The universal antenna test platform of claim 1, wherein, The support frame (3) includes a support framework (31), an adjusting frame, a reference device, an antenna panel adjusting device (37), and an antenna panel fixing seat (38); the adjusting frame is installed on one side of the upper surface of the support framework (31), the adjusting frame is arranged on the back side of the support framework (31) and includes a middle adjusting frame (32) arranged in the middle of the support framework (31) and side adjusting frames (33) arranged at both ends of the support framework (31), the reference device is installed on the bottom side of the support framework (31) and includes X-direction reference (34), Y-direction reference (35), and Z-direction reference (36), the antenna panel adjusting device (37) is arranged on the inner side of the Z-direction reference (36), and the antenna panel fixing seat (38) is arranged on the bottom side of the support framework (31).

6. The universal antenna test platform of claim 1, wherein, The fan array (4) is arranged on the other side of the upper surface of the work platform (2) relative to the support frame (3) and includes a fan back frame (41) and fans (42).

7. The universal antenna test platform of claim 1, wherein, The number of groups of the fan array (4) matches the number of antenna panels (5).

8. The universal antenna test platform of claim 1, wherein, The chassis (1) is provided with an AGV interface.

9. The universal antenna test platform of claim 1, wherein, The side end of the chassis (1) is provided with a lower ladder (16), and the side end of the work platform (2) is correspondingly provided with an upper ladder (24).

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