Support meeting polarization test of electric field generator

Abstract

The utility model discloses a support satisfying the polarization test of an electric field generator, which relates to the field of electromagnetic testing and comprises a movable bottom plate, a plurality of movable wheels are arranged below the movable bottom plate, the support can conveniently rotate at any angle and move, and the test requirement is satisfied. The upper end of the movable bottom plate is fixedly connected with a fixed plate, and the middle part of the fixed plate is provided with a fixed main rod; the upper end of the fixed main rod is fixedly connected with a limiting adapter, the interior of the fixed main rod is slidably connected with a telescopic auxiliary rod, the upper end of the telescopic auxiliary rod is fixedly connected with a polarization positioning plate, the upper portion of the polarization positioning plate is rotatably connected with a fixed seat, and the two sides of the fixed seat are fixedly connected with two arc-shaped limiting plates. Second bolts are arranged at the two ends of the polarization positioning plate to fix the arc-shaped limiting plate, a generator and an antenna are installed at one end of the fixing base, the arc-shaped limiting plate is fixed by screwing down the second bolts, the purpose of limiting the rotation angle of the generator is achieved, the labor cost is reduced, and errors caused by manual operation are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic testing, specifically a bracket that meets the requirements of polarization testing of an electric field generator. Background Art

[0002] The electric field generator generates and regulates the electric field through a specific structure and circuit design. It is often used to provide a stable electric field environment for electric field radiation immunity testing. When testing in an experimental shielded room, the angle and height of the generator need to be adjusted according to different test requirements. The existing solution is that the generator is manually placed or rotated to achieve up and down movement and vertical flipping, so as to achieve the purpose of antenna polarization and different test heights. Manual rotation may result in errors in rotation angle or position. If the personnel are negligent, it is easy to cause damage to the antenna. At the same time, the existing generator bracket cannot freely change the venue, which is not conducive to the test. Utility Model Content

[0003] In order to solve the above technical problems, a bracket that meets the requirements of electric field generator polarization testing is provided. This technical solution solves the problems of errors in manually adjusting the generator angle and the inconvenience of rapid movement and site change.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The yoke is provided with a plurality of movable wheels at the bottom of the movable base plate, and the plurality of movable wheels are rotatably connected to the lower end of the movable base plate through a fixed frame, and the upper end of the movable base plate is fixedly connected to a fixed plate, and a fixed main rod is provided in the middle of the fixed plate, and the upper end of the fixed main rod is fixedly connected to a limiting adapter, and the circumferential side of the limiting adapter is threadedly connected with a plurality of first bolts, and a telescopic sub-rod is slidably connected to the inside of the fixed main rod, and the upper end of the telescopic sub-rod is fixedly connected to a polarization positioning plate, and a fixed seat is provided above the polarization positioning plate, and the fixed seat is rotatably connected to the two ends of the polarization positioning plate through rotating shafts at both ends, and two arc-shaped limiting plates are fixedly connected to the two sides of the fixed seat, and an arc-shaped sliding groove is provided inside the arc-shaped limiting plate, and a generator is installed at one end of the fixed seat, and antennas are fixedly connected to the two ends of the generator.

[0006] Preferably, a fixing bolt is threadedly connected to the side surface of the fixing plate, and the fixing bolt extends to the inside of the fixing plate and is threadedly connected to the side surface of the fixing main rod.

[0007] Preferably, the fixed main rod is in the form of a square hollow cylinder, and a plurality of the first bolts extend into the interior of the fixed main rod and abut against the surface of the telescopic secondary rod.

[0008] Preferably, second bolts are threadedly connected to both ends of the polarization positioning plate, and the side surfaces of the second bolts are slidably connected to the sliding grooves inside the arc-shaped limiting plate.

[0009] Preferably, a third bolt is threadedly connected to the bottom of the second bolt, and a threaded hole matching the third bolt is provided on one side of the fixing seat close to the polarization positioning plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. The height adjustment of the generator is achieved by setting a telescopic auxiliary rod, and the arc-shaped limit plate is fixed by tightening the second bolt to achieve the purpose of limiting the rotation angle of the generator, thereby reducing labor costs and human operation errors.

[0012] 2. The bottom of the mobile base plate is equipped with moving wheels, which facilitates the bracket to rotate and move at any angle to meet the needs of the test. It is also conducive to the free conversion of the site to improve the efficiency of the test of the object under test. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0015] The numbers in the figure are:

[0016] 1. Moving base plate; 11. Moving wheel; 2. Fixed plate; 21. Fixed bolt; 3. Fixed main rod; 31. Limit adapter; 32. First bolt; 4. Telescopic sub-rod; 5. Polarization positioning plate; 51. Second bolt; 52. Third bolt; 6. Fixed seat; 61. Arc limit plate; 7. Generator; 71. Antenna. DETAILED DESCRIPTION

[0017] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0018] like Figure 1-2As shown, a bracket that meets the polarization test of an electric field generator includes a moving base plate 1, a plurality of moving wheels 11 are arranged below the moving base plate 1, and the plurality of moving wheels 11 are rotatably connected to the lower end of the moving base plate 1 through a fixing frame, and the moving wheels 11 are arranged at the four corners of the moving base plate 1 to facilitate the rapid movement of the bracket as a whole, and a fixing plate 2 is fixedly connected to the upper end of the moving base plate 1, a fixing main rod 3 is arranged in the middle of the fixing plate 2, and a fixing bolt 21 is threadedly connected to the side of the fixing plate 2, and the fixing bolt 21 extends to the inside of the fixing plate 2 and the side of the fixing main rod 3 The fixed main rod 3 is reinforced and fixed by a threaded connection. The upper end of the fixed main rod 3 is fixedly connected to a limit adapter 31. The circumferential side of the limit adapter 31 is threadedly connected with multiple first bolts 32. The fixed main rod 3 is a square hollow cylinder and is slidably connected to the telescopic sub-rod 4. The telescopic sub-rod 4 can move up and down along the fixed main rod 3. The multiple first bolts 32 on the limit adapter 31 extend to the inside of the fixed main rod 3 and abut against the surface of the telescopic sub-rod 4. After adjusting the length of the telescopic sub-rod 4, the first bolts 32 are tightened to limit and fix the telescopic sub-rod 4.

[0019] Among them, the upper end of the telescopic sub-rod 4 is fixedly connected with a polarization positioning plate 5, and a fixing seat 6 is provided above the polarization positioning plate 5. The fixing seat 6 is rotatably connected to the two ends of the polarization positioning plate 5 through the rotating shafts at both ends. Two arc-shaped limiting plates 61 are fixedly connected to the two sides of the fixing seat 6. An arc-shaped slide groove is provided inside the arc-shaped limiting plate 61. The angle of the arc-shaped limiting plate 61 is 90 degrees, and the fixing seat 6 can be limited between 0 degrees and 90 degrees. The two ends of the polarization positioning plate 5 are threadedly connected with a second bolt 51. The side of the second bolt 51 is slidably connected to the slide groove inside the arc-shaped limiting plate 61. The fixing seat 6 can be rotated along the rotating shaft on one side of the polarization positioning plate 5. The second bolt 51 can lock and fix the arc-shaped limit plate 61 after rotation, so as to fix the rotation angle of the fixing seat 6. The bottom of the second bolt 51 is threadedly connected with the third bolt 52. The side of the fixing seat 6 close to the polarization positioning plate 5 is provided with a threaded hole matching the third bolt 52. When the fixing seat 6 is rotated to fit with the polarization positioning plate 5, the third bolt 52 is tightened to make the fixing seat 6 threadedly connected with it to fix the fixing seat 6. A generator 7 is installed at one end of the fixing seat 6, and antennas 71 are fixedly connected at both ends of the generator 7.

[0020] The principle of the utility model is as follows: when conducting a polarization test, loosen the first bolt 32, extend the telescopic sub-rod 4 to adjust the height of the generator 7, and after adjusting to a suitable height, tighten the first bolt 32 to fix the telescopic sub-rod 4, and then loosen the second bolt 51 and the third bolt 52 to rotate the generator 7 from 0 degrees to 90 degrees. After adjusting to a suitable angle, tighten the second bolt 51 to fix the arc-shaped limit plate 61 to complete the adjustment of the vertical angle of the generator 7. The horizontal angle of the generator 7 can be adjusted by rotating the entire bracket, which is convenient for personnel to operate and reduces errors in human operation.

[0021] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A bracket that meets the polarization test of an electric field generator, characterized in that: The invention comprises a movable bottom plate (1), a plurality of movable wheels (11) are arranged below the movable bottom plate (1), the plurality of movable wheels (11) are rotatably connected to the lower end of the movable bottom plate (1) through a fixing frame, the upper end of the movable bottom plate (1) is fixedly connected to a fixing plate (2), the middle part of the fixing plate (2) is provided with a fixing main rod (3), the upper end of the fixing main rod (3) is fixedly connected to a limit adapter (31), the peripheral side of the limit adapter (31) is threadedly connected to a plurality of first bolts (32), the internal sliding connection of the fixing main rod (3) A telescopic auxiliary rod (4) is connected, the upper end of the telescopic auxiliary rod (4) is fixedly connected to a polarization positioning plate (5), a fixing seat (6) is arranged above the polarization positioning plate (5), the fixing seat (6) is rotatably connected to the two ends of the polarization positioning plate (5) through rotating shafts at both ends, two arc-shaped limiting plates (61) are fixedly connected to the two sides of the fixing seat (6), an arc-shaped sliding groove is provided inside the arc-shaped limiting plate (61), a generator (7) is installed at one end of the fixing seat (6), and antennas (71) are fixedly connected to the two ends of the generator (7).

2. A bracket that satisfies the polarization test of an electric field generator according to claim 1, characterized in that: The side surface of the fixing plate (2) is threadedly connected with a fixing bolt (21), and the fixing bolt (21) extends into the interior of the fixing plate (2) and is threadedly connected with the side surface of the fixing main rod (3).

3. A bracket that satisfies the polarization test of an electric field generator according to claim 1, characterized in that: The fixed main rod (3) is in the form of a square hollow cylinder, and a plurality of the first bolts (32) extend into the interior of the fixed main rod (3) and abut against the surface of the telescopic auxiliary rod (4).

4. A bracket that satisfies the polarization test of an electric field generator according to claim 1, characterized in that: The two ends of the polarization positioning plate (5) are threadedly connected with second bolts (51), and the side surfaces of the second bolts (51) are slidably connected to the sliding groove inside the arc-shaped limiting plate (61).

5. A bracket that satisfies the polarization test of an electric field generator according to claim 4, characterized in that: The bottom of the second bolt (51) is threadedly connected to a third bolt (52), and a threaded hole matching the third bolt (52) is provided on a side of the fixing seat (6) close to the polarization positioning plate (5).

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