Antenna test rotary table

Abstract

The utility model discloses an antenna test rotary table, and relates to the technical field of antenna test rotary tables. The device comprises a base, a disc is rotationally arranged in the base, adjusting assemblies are arranged on the disc, the base and the supporting frame, an auxiliary limiting assembly is arranged on the supporting frame and comprises a square groove, the square groove is formed in the supporting frame, a round block is rotationally arranged on the inner surface of the square groove, and a first gear is fixedly arranged on the outer side surface of the round block in a sleeved mode. When the antenna fixing device is used, the rubber blocks can be in contact with an antenna by rotating the rotating disc, the antenna can be quickly fixed and detached, and therefore the testing efficiency can be improved, the testing time can be shortened, and the testing efficiency can be improved. When the device is used, the rotation angle of the device can be accurately positioned through the second positioning block and the second positioning scales, and the inclination angle of the device can be accurately positioned through the cooperation of the first positioning block and the first positioning scales.

Description

Technical Field

[0001] The utility model relates to the technical field of antenna test turntables, in particular to an antenna test turntable. Background Art

[0002] Before using the antenna, various parameters need to be tested. The main testing tool is the test turntable. Antenna testing requires various forms of test turntables.

[0003] When the existing antenna is installed on the test turntable, a through hole corresponding to the through hole on the connecting plate is opened on the chassis of the antenna. The antenna is fixed to the turntable with bolts based on the two through holes. This method of fixing the antenna with bolts makes it inconvenient to fix and disassemble the antenna, which reduces the test efficiency. In addition, the existing test equipment is inconvenient to operate when adjusting the antenna, and the accuracy is not high. Most of the adjustments are made to an approximate position, which affects the accuracy of the test results. In view of the above problems, the inventor proposes an antenna test turntable for solving the above problems. Utility Model Content

[0004] In order to solve the problem that when the existing antenna is installed on the test turntable, a through hole corresponding to the through hole on the connecting plate is opened on the chassis of the antenna, and the antenna is fixed to the turntable with bolts according to the two through holes, this method of fixing the antenna with bolts makes it inconvenient to fix and disassemble the antenna, reduces the test efficiency, and the existing test equipment is inconvenient to operate when adjusting the antenna, the accuracy is not high, and most of the adjustments are made to an approximate position, affecting the accuracy of the test results; the purpose of the utility model is to provide an antenna test turntable.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an antenna test turntable, including a base and a support frame, a disc is rotatably arranged in the base, the disc, the base and the support frame are all provided with adjustment components, and an auxiliary limit component is arranged on the support frame;

[0006] The auxiliary limiting component includes a square groove, which is opened inside the support frame, a round block is rotatably provided on the inner surface of the square groove, a first gear is fixedly sleeved on the outer surface of the round block, a round rod is fixedly provided on the upper surface of the round block, a first bevel gear is fixedly sleeved on the outer surface of the round rod, the first bevel gear is meshed with the second bevel gear, a connecting rod is fixedly provided on one side of the second bevel gear, the connecting rod passes through the support frame, a turntable is fixedly provided on the other end of the connecting rod, a toothed plate is meshed with the first gear, a supporting slide groove is opened on the inner surface of the square groove, a supporting slider is slidably provided in the supporting slide groove, and a supporting The slider is fixedly connected to the tooth plate, a through groove is provided on the upper surface of the support frame, a connecting block is fixedly provided on the upper surface of the tooth plate, the connecting block passes through the through groove, a clamping plate is fixedly provided on the upper end of the connecting block, the clamping plate and the upper surface of the support frame are slidably fitted, a plurality of rubber blocks are provided, and the rubber block array is distributed on one side of the opposite surface of the clamping plate, a rubber block is fixedly provided on one side of the opposite surface of the clamping plate, a groove is provided on the side of the support frame, a turntable is arranged inside the groove, a bolt is inserted into the inner thread of the groove, a plurality of semicircular notches are provided on the outer surface of the turntable, and the bolts are movably fitted with the inner surface of the semicircular notches.

[0007] Preferably, the adjustment component includes an arc block, which is fixedly connected to the upper surface of the disc, a semicircular block is fixedly provided on the upper surface of the disc, the semicircular block passes through the arc block, a half-surface worm gear is fixedly provided on the outer surface of the semicircular block, a fixed block is fixedly provided on the inner surface of the support frame, a worm is rotatably provided between the fixed blocks, the worm is meshed with the half-surface worm gear, a first drive motor is fixedly provided on one side of one of the fixed blocks, the output end of the first drive motor passes through one of the fixed blocks, the output end of the first drive motor is fixedly connected to one end of the worm, the lower surface of the support frame is slidably fitted with the upper surface of the arc block, and a There is an arc-shaped slide groove, a connecting slider is fixedly provided on the lower surface of the support frame, a second drive motor is fixedly provided inside the base, the output end of the second drive motor is fixedly connected to the lower surface of the disc, the connecting slider passes through the arc-shaped slide groove, the connecting slider and the inner surface of the arc-shaped slide groove and the arc-shaped block are all slidably fitted, a first positioning block is fixedly provided on one side of the support frame, a first positioning scale is fixedly provided on the outer surface of the arc-shaped block, a second positioning block is fixedly provided on the outer surface of the disc, a second positioning scale is provided on the upper surface of the base, a second drive motor is fixedly provided inside the base, and the output end of the second drive motor is fixedly connected to the lower surface of the disc.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. When the utility model is in use, the turntable can be rotated so that the rubber block contacts the antenna, and the antenna can be quickly fixed and disassembled, thereby improving the efficiency of the test;

[0010] 2. When the utility model is in use, the rotation angle of the device can be accurately positioned by the second positioning block and the second positioning scale, and the tilt angle of the device can be accurately positioned by the first positioning block in conjunction with the first positioning scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the support frame of the utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model.

[0015] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0016] Figure 5 This is a schematic diagram of the structure of the second drive motor of the utility model.

[0017] In the figure: 1, base; 11, disc; 3, adjustment component; 31, arc block; 311, first positioning scale; 312, first positioning block; 32, semicircular block; 33, half-face worm gear; 34, fixed block; 35, worm; 36, first drive motor; 37, arc slide; 38, connecting slider; 39, second drive motor; 391, second positioning block; 392, second positioning scale; 4, support frame; 5, auxiliary limit assembly; 51, square groove; 52, round block; 521, first gear; 53, round rod; 531, first bevel gear; 54, second bevel gear; 55, connecting rod; 56, supporting slide; 561, supporting slider; 57, tooth plate; 571, connecting block; 572, through groove; 58, splint; 581, rubber block; 59, turntable; 591, semicircular notch; 592, bolt; 6, groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Embodiment 1: Figure 1-5 As shown, the utility model provides an antenna test turntable, including a base 1 and a support frame 4, a disc 11 is rotatably provided in the base 1, a second drive motor 39 is fixedly provided inside the base 1, an output end of the second drive motor 39 is fixedly connected to the lower surface of the disc 11, driving the disc 11 to rotate, an adjustment component 3 is provided on the disc 11, the base 1, and the support frame 4, and an auxiliary limit component 5 is provided on the support frame 4;

[0020] The auxiliary limiting component 5 includes a square groove 51, which is opened inside the support frame 4. A round block 52 is rotatably provided on the inner surface of the square groove 51. A first gear 521 is fixedly sleeved on the outer surface of the round block 52. A round rod 53 is fixedly provided on the upper surface of the round block 52. A first bevel gear 531 is fixedly provided on the outer surface of the round rod 53. The first bevel gear 531 is meshed with the second bevel gear 54. A connecting rod 55 is fixedly provided on one side of the second bevel gear 54. The connecting rod 55 passes through the support frame 4. A rotating disk 59 is fixedly provided on the other end of the connecting rod 55. A tooth plate 57 is meshed with the first gear 521. The tooth plate 57 has two teeth. A through groove 572 is opened on the upper surface of the support frame 4. A connecting block 571 is fixedly provided on the upper surface of the tooth plate 57. The connecting block 571 passes through the through groove 572. A clamping plate 58 is fixedly provided on the upper end of the connecting block 571. A supporting slide groove 56 is opened on the inner surface of the square groove 51 , a supporting slider 561 is provided in the supporting slide groove 56 for sliding movement, and the supporting slider 561 is fixedly connected to the tooth plate 57 to assist the movement of the tooth plate 57, and the clamping plate 58 is slidably fitted with the upper surface of the support frame 4, and a rubber block 581 is fixedly provided on one side of the opposite surface of the clamping plate 58, and a plurality of rubber blocks 581 are provided, and the rubber blocks 581 are arrayed on one side of the opposite surface of the clamping plate 58 to improve the stability of the connection, and the antenna can be placed on the support frame 4, and then the turntable 59 can be rotated to drive the connecting rod 55 to rotate, so that the second bevel gear 54 can drive the first bevel gear 531, and the first gear 521 can be rotated through the round rod 53 and the round block 52, and the rotating first gear 521 can drive the two tooth plates 57 meshing therewith to move toward the middle, and the two clamping plates 58 can be moved toward the middle by the connecting block 571 cooperating with the through groove 572, and the rubber block 581 fits with the outer surface of the antenna;

[0021] A groove 6 is provided on the side of the support frame 4, and a threaded hole is provided in the groove 6 for matching with the bolt 592. The turntable 59 is arranged inside the groove 6, and the bolt 592 is inserted into the inner thread of the groove 6. A plurality of semicircular notches 591 are provided on the outer surface of the turntable 59, and the bolt 592 is movably fitted with the inner surface of the semicircular notches 591. After adjusting the position, the bolt 592 can be inserted into the threaded hole provided in the groove 6, and the outer surface of the bolt 592 is fitted with one of the semicircular notches 591, so as to limit the position.

[0022] The adjusting component 3 includes an arc block 31, which is fixedly connected to the upper surface of the disc 11. A semicircular block 32 is fixedly arranged on the upper surface of the disc 11. The semicircular block 32 passes through the arc block 31. A half-surface worm gear 33 is fixedly arranged on the outer surface of the semicircular block 32. A fixed block 34 is fixedly arranged on the inner surface of the support frame 4. A worm 35 is rotatably arranged between the fixed blocks 34. The worm 35 is meshed with the half-surface worm gear 33. A first drive motor 36 is fixedly arranged on one side of one of the fixed blocks 34. The output end of the first drive motor 36 passes through one of the fixed blocks 34. The output end of the first drive motor 36 is fixedly connected to one end of the worm 35. The lower surface of the support frame 4 is slidably fitted with the upper surface of the arc block 31. An arc-shaped slide groove 37 is provided on the arc block 31. The lower surface of the support frame 4 is fixed A connecting slider 38 is provided, and the cross-sectional shape of the connecting slider 38 is "T"-shaped, which is convenient for moving the support frame 4. The connecting slider 38 passes through the arc-shaped slide groove 37, and the connecting slider 38 is slidably fitted with the inner surface of the arc-shaped slide groove 37 and the arc-shaped block 31. By turning on the second driving motor 39, the disk 11 can be rotated to adjust the angle of the antenna. The rotation angle of the device can be accurately positioned by the second positioning block 391 and the second positioning scale 392. The first driving motor 36 can also be started to drive the worm 35 to rotate, and the connecting slider 38 can slide along the arc-shaped slide groove 37 in cooperation with the half-face worm gear 33 meshing with it, so that the support frame 4 is offset to adjust the angle of the device, and the tilt angle of the device can be accurately positioned by the first positioning block 312 and the first positioning scale 311;

[0023] A first positioning block 312 is fixedly provided on one side of the support frame 4 , a first positioning scale 311 is fixedly provided on the outer surface of the arc block 31 , a second positioning block 391 is fixedly provided on the outer surface of the disk 11 , and a second positioning scale 392 is provided on the upper surface of the base 1 .

[0024] Working principle: When the utility model is in use, the antenna can be placed on the support frame 4, and then the turntable 59 can be rotated to drive the connecting rod 55 to rotate, so that the second bevel gear 54 can drive the first bevel gear 531, and the first gear 521 can be rotated through the round rod 53 and the round block 52, and the rotating first gear 521 can drive the two tooth plates 57 meshing with it to move toward the middle, and the two clamping plates 58 can be moved toward the middle through the connecting block 571 and the through groove 572, and the rubber block 581 fits with the outer surface of the antenna;

[0025] After the position is adjusted, the bolt 592 can be inserted into the threaded hole provided in the groove 6, and the outer surface of the bolt 592 fits with one of the semicircular notches 591, so as to limit the position;

[0026] By turning on the second driving motor 39, the disk 11 can be rotated to adjust the angle of the antenna. The rotation angle of the device can be accurately positioned through the second positioning block 391 and the second positioning scale 392. The first driving motor 36 can also be started to drive the worm 35 to rotate. The connecting slider 38 can slide along the arc groove 37 in conjunction with the half-surface worm gear 33 meshing with it, and the support frame 4 can be offset to adjust the angle of the device. The tilt angle of the device can be accurately positioned through the first positioning block 312 and the first positioning scale 311.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An antenna test turntable, comprising a base (1) and a support frame (4), characterized in that: A disc (11) is rotatably provided inside the base (1); an adjustment component (3) is provided on the disc (11), the base (1) and the support frame (4); and an auxiliary limit component (5) is provided on the support frame (4); The auxiliary limiting component (5) comprises a square groove (51), wherein the square groove (51) is arranged inside the support frame (4), a round block (52) is rotatably provided on the inner surface of the square groove (51), a first gear (521) is fixedly sleeved on the outer surface of the round block (52), a round rod (53) is fixedly provided on the upper surface of the round block (52), a first bevel gear (531) is fixedly provided on the outer surface of the round rod (53), the first bevel gear (531) is meshed with a second bevel gear (54), a connecting rod (55) is fixedly provided on one side of the second bevel gear (54), and the connecting rod (55) is fixedly provided on the outer surface of the round rod (53). The rod (55) passes through the support frame (4), a rotating disk (59) is fixedly provided at the other end of the connecting rod (55), a toothed plate (57) is meshed with the first gear (521), a through groove (572) is provided on the upper surface of the support frame (4), a connecting block (571) is fixedly provided on the upper surface of the toothed plate (57), the connecting block (571) passes through the through groove (572), a clamping plate (58) is fixedly provided at the upper end of the connecting block (571), the clamping plate (58) is slidably fitted with the upper surface of the support frame (4), and a rubber block (581) is fixedly provided on one side of the opposite surface of the clamping plate (58).

2. The antenna test turntable according to claim 1, characterized in that: The adjusting component (3) comprises an arc block (31), the arc block (31) is fixedly connected to the upper surface of the disc (11), a semicircular block (32) is fixedly provided on the upper surface of the disc (11), the semicircular block (32) passes through the arc block (31), a half-face worm gear (33) is fixedly provided on the outer surface of the semicircular block (32), a fixed block (34) is fixedly provided on the inner surface of the supporting frame (4), a worm (35) is rotatably provided between the fixed blocks (34), the worm (35) is meshed with the half-face worm gear (33), a first driving motor (36) is fixedly provided on one side of one of the fixed blocks (34), an output end of the first driving motor (36) passes through one of the fixed blocks (34), and an output end of the first driving motor (36) passes through one of the fixed blocks (34). The output end is fixedly connected to one end of the worm (35); the lower surface of the support frame (4) is slidably fitted with the upper surface of the arc block (31); an arc-shaped slide groove (37) is provided on the arc block (31); a connecting slider (38) is fixedly provided on the lower surface of the support frame (4); the connecting slider (38) passes through the arc-shaped slide groove (37); the connecting slider (38) and the inner surface of the arc-shaped slide groove (37) and the arc-shaped block (31) are slidably fitted; a first positioning block (312) is fixedly provided on one side of the support frame (4); a first positioning scale (311) is fixedly provided on the outer surface of the arc block (31); a second positioning block (391) is fixedly provided on the outer surface of the disk (11); and a second positioning scale (392) is provided on the upper surface of the base (1).

3. The antenna test turntable according to claim 1, characterized in that: A groove (6) is provided on the side of the support frame (4), and the rotating disk (59) is arranged inside the groove (6).

4. The antenna test turntable according to claim 3, characterized in that: The inner thread of the groove (6) is inserted with a bolt (592), and the outer surface of the rotating disk (59) is provided with a plurality of semicircular notches (591), and the bolt (592) is movably fitted with the inner surface of the semicircular notches (591).

5. The antenna test turntable according to claim 1, characterized in that: The inner surface of the square groove (51) is provided with a supporting slide groove (56), a supporting slider (561) is slidably arranged in the supporting slide groove (56), and the supporting slider (561) is fixedly connected to the tooth plate (57).

6. The antenna test turntable according to claim 1, characterized in that: A plurality of rubber blocks (581) are provided, and the rubber blocks (581) are arranged in an array and distributed on one side of the opposite side of the clamping plate (58).

7. The antenna test turntable according to claim 2, characterized in that: A second drive motor (39) is fixedly arranged inside the base (1), and an output end of the second drive motor (39) is fixedly connected to the lower surface of the disc (11).

8. The antenna test turntable according to claim 2, characterized in that: The cross-sectional shape of the connecting slider (38) is "T" shaped.

Images