CN216312075U - Grounding device for low frequency antenna testing - Google Patents

Abstract

The utility model discloses a grounding device for testing a low-frequency antenna, which comprises a device shell A, wherein a device shell B is arranged on the lower end surface of the device shell A, lugs are arranged at four ends of the outer surface of the device shell B, positioning grooves are formed in the upper end and the lower end of each lug, which are positioned on the inner wall of the device shell B, spring grooves A are formed in the inner sides of the positioning grooves, springs A are arranged in the inner sides of the spring grooves A, the lugs are connected with the device shell B through the springs A, and lug grooves are formed in the outer sides of the lugs, which are positioned on the outer surface of the device shell A. The device is protected by the device outer shell A, the device outer shell B and the device inner shell, the service life of the device is prolonged, the device inner shell and the device outer shell are fixed by the clamping blocks, and the device outer shell is disassembled and assembled by rotating the device outer shell A and the device outer shell B, so that workers can install the device quickly, and the working efficiency is improved.

Description

Grounding device for low frequency antenna testing

technical field

The utility model relates to the technical field of grounding devices, in particular to a grounding device used for low-frequency antenna testing.

Background technique

With the rapid development of social economy, in order to work and safety in the power system, it is often necessary to connect some parts of the power system and its electrical equipment to the ground, which is grounding. The 'ground' in the power system refers to An earth conducting substance whose potential at any point is conventionally taken as 0.

However, the shell of the existing grounding device is easy to get wet and rusted underground, which cannot be an efficient and safe protective grounding device, and it is inconvenient to install and disassemble quickly, which affects the installation efficiency. Therefore, it does not meet the existing needs, and we propose a low-frequency antenna for this purpose. Tested grounding device.

Utility model content

The purpose of the present invention is to provide a grounding device for low-frequency antenna testing, so as to solve the problem that the existing grounding device shell proposed in the above-mentioned background technology is prone to moisture and rust underground and cannot be efficient and safe. Affect installation efficiency and other issues.

In order to achieve the above purpose, the present invention provides the following technical solutions: a grounding device for low-frequency antenna testing includes a device housing A, the lower end surface of the device housing A is provided with a device housing B, and four outer surfaces of the device housing B are provided. Both ends are provided with bumps, the upper and lower ends of the bumps are located on the inner wall of the device housing B, and there are positioning grooves. The convex block is connected to the device casing B through a spring A, and a convex groove is provided on the outer side of the convex block on the outer surface of the device casing A. The convex block is a semi-arc type convex. The shape and size of the grooves are the same. The inner side of the device shell B is provided with a device inner shell, the inner side of the device inner shell is provided with an insertion tip, and the inner walls of both ends of the insertion tip are provided with clamping blocks. The inner side of the insertion tip is provided with a spring groove B, the inner side of the spring groove B is provided with a spring B, the clamping block is connected to the insertion tip through the spring B, and the other end of the clamping block is located on the inner wall of the inner casing of the device with a limiter. Position slot, the size of the block and the limit slot are the same.

Preferably, the upper end of the device casing A is provided with a ground wire, a wiring slot is provided below the ground wire on the inner side of the insertion tip, and the ground wire is inserted into the inner side of the wiring slot.

Preferably, the inner wall of the inner shell of the device is filled with a sponge layer.

Preferably, the outer surfaces of the device housing A and the device housing B are coated with stainless steel paint.

Preferably, a chute is provided on the inner side of the inner shell of the device, and the clamping block is arranged on the inner side of the chute.

Preferably, the device shell B and the insertion tip are integrally structured, the upper end surface of the device shell B is provided with a groove, and the device inner shell is clamped on the inner side of the groove.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model fixes the inner casing of the device and the outer casing of the device through the clamping block, and the device casing B and the insertion tip are integrated into a structure, and the grounding wire is inserted into the inner side of the wiring slot, thereby facilitating the connection of the grounding wire and the device. The device shell A and the device shell B are connected in rotation, and the four ends of the outer surface of the device shell B are provided with bumps, and then the device shell A and the device shell B are rotated to disassemble and assemble the device shell, which is convenient for the staff to quickly install the device. Improve work efficiency;

2. The utility model protects the device through the device outer shell A, the device outer shell B and the device inner shell, and the outer surfaces of the device outer shell A and the device outer shell B are coated with stainless steel paint, thereby preventing the device from being corroded, and the inner wall of the device inner shell is filled with stainless steel paint. The sponge layer is convenient to prevent the inner side of the device from getting wet through the sponge layer, thereby improving the service life of the device.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the sectional view of the utility model device shell A;

FIG. 3 is a schematic diagram of the partial structure of the device shell B and the device inner shell of the present invention.

In the figure: 1. Device housing A; 2. Bump; 3. Ground wire; 4. Device housing B; 5. Insertion tip; 6. Slot groove; 7. Spring A; Slot; 10. Device inner shell; 11. Block; 12. Spring B; 13. Spring slot B; 14. Limit slot; 15. Wiring slot.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Please refer to FIG. 1 to FIG. 3 , an embodiment provided by the present invention: a grounding device for low-frequency antenna testing includes a device housing A1, a device housing B4 is provided on the lower end surface of the device housing A1, and the outer surface of the device housing B4 is The four ends are provided with bumps 2. The upper and lower ends of the bumps 2 are located on the inner wall of the device casing B4 and are provided with positioning grooves 9. The inner side of the positioning grooves 9 is provided with a spring groove A8, and the inner side of the spring groove A8 is provided with a spring A7. The block 2 is connected to the device shell B4 through a spring A7. The outer side of the bump 2 is located on the outer surface of the device shell A1 and is provided with a bump groove 6. The bump 2 is a semi-arc type bump. The shape of the bump 2 and the bump groove 6 The size is the same, the inner side of the device shell B4 is provided with the device inner shell 10, the inner side of the device inner shell 10 is provided with the insertion tip 5, and the inner walls of the two ends of the insertion tip 5 are provided with blocking blocks 11, and one end of the blocking block 11 is located at the insertion tip 5. The inner side is provided with a spring groove B13, the inner side of the spring groove B13 is provided with a spring B12, the clamping block 11 is connected with the insertion tip 5 through the spring B12, and the other end of the clamping block 11 is located in the inner wall of the device inner shell 10 with a limit groove 14, the clamping block 11 and the limit slot 14 have the same size, the device is protected by the device outer shell A1, the device outer shell B4 and the device inner shell 10 as a whole, and the service life of the device is improved, and the device inner shell 10 and the device outer shell B4 are fixed by the clamping block 11 , the device shell is disassembled and assembled by rotating the device shell A1 and the device shell B4, which is convenient for the staff to quickly install the device and improves the work efficiency.

Further, the upper end of the device housing A1 is provided with a ground wire 3, and the bottom of the ground wire 3 is provided with a wiring slot 15 on the inner side of the insertion tip 5, and the ground wire 3 is inserted into the inner side of the wiring slot 15, thereby facilitating the connection of the ground wire 3 with the device. .

Further, the inner wall of the inner casing 10 of the device is filled with a sponge layer, so as to prevent the inner side of the device from getting wet through the sponge layer.

Further, the outer surfaces of the device housing A1 and the device housing B4 are coated with stainless steel paint, thereby preventing the devices from being corroded.

Further, the inner side of the device inner shell 10 is provided with a chute, and the clamping block 11 is arranged on the inner side of the chute, thereby facilitating the connection of the device inner shell 10 and the insertion tip 5 by the through-hole clamping block 11 .

Further, the device shell B4 and the insertion tip 5 are integrally formed, the upper end surface of the device shell B4 is provided with a groove, and the device inner shell 10 is clamped inside the groove, thereby facilitating the positioning of the device inner shell 10 .

Working principle: When using, first check whether the components are in good condition. After the detection, the inner shell 10 of the device is clamped on the inner side of the outer shell B4 of the device, so as to facilitate the fixing of the inner shell 10 and the outer shell B4 of the device through the clamping block 11. The device shell B4 and the insertion tip 5 are integrated into a structure, and the ground wire 3 is inserted into the inner side of the wiring slot 15, so as to facilitate the connection of the ground wire 3 to the device. After the connection is completed, the device shell A1 and the device shell B4 are rotated and connected, and The four ends of the outer surface of the device shell B4 are provided with bumps 2, and then the device shell A1 and the device shell B4 are rotated to disassemble and assemble the device shell, which is convenient for the staff to quickly install the device and improve work efficiency. The outer shell B4 and the device inner shell 10 protect the device, and the outer surfaces of the device outer shell A1 and the device outer shell B4 are coated with stainless steel paint to prevent the device from being corroded. The inside of the device is wet, which in turn increases the life of the device.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. A earthing device for low frequency antenna test, including device shell A (1), its characterized in that: the lower end face of the device shell A (1) is provided with a device shell B (4), four ends of the outer surface of the device shell B (4) are respectively provided with a convex block (2), the inner wall of the upper end and the lower end of each convex block (2) which are positioned on the device shell B (4) is provided with a positioning groove (9), the inner side of each positioning groove (9) is provided with a spring groove A (8), the inner side of each spring groove A (8) is provided with a spring A (7), each convex block (2) is connected with the device shell B (4) through the spring A (7), the outer side of each convex block (2) which is positioned on the outer surface of the device shell A (1) is provided with a convex block groove (6), each convex block (2) is a semi-arc convex block, the shapes and the sizes of the convex blocks (2) and the convex block grooves (6) are the same, the inner side of the device shell B (4) is provided with a device inner shell (10), and the inner side of the device inner shell (10) is provided with an insertion tip (5), insert the inner wall at pointed end (5) both ends and all be equipped with fixture block (11), the one end of fixture block (11) is located the inboard of inserting pointed end (5) and is equipped with spring groove B (13), the inboard of spring groove B (13) is equipped with spring B (12), fixture block (11) are connected with inserting pointed end (5) through spring B (12), the inner wall that the other end of fixture block (11) is located device inner shell (10) is equipped with spacing groove (14), the size of fixture block (11) and spacing groove (14) is the same.

2. The grounding device for low frequency antenna test of claim 1, wherein: the device is characterized in that the upper end of the device shell A (1) is provided with a grounding wire (3), a wiring groove (15) is formed in the inner side, located at the insertion tip (5), of the lower portion of the grounding wire (3), and the grounding wire (3) is inserted into the wiring groove (15).

3. The grounding device for low frequency antenna test of claim 1, wherein: the inner wall of the inner shell (10) of the device is filled with a sponge layer.

4. The grounding device for low frequency antenna test of claim 1, wherein: the outer surfaces of the device shell A (1) and the device shell B (4) are coated with stainless steel paint.

5. The grounding device for low frequency antenna test of claim 1, wherein: the device is characterized in that a sliding groove is formed in the inner side of the inner shell (10), and the clamping block (11) is arranged on the inner side of the sliding groove.

6. The grounding device for low frequency antenna test of claim 1, wherein: the device shell B (4) and the insertion tip (5) are of an integral structure, a groove is formed in the upper end face of the device shell B (4), and the device inner shell (10) is connected to the inner side of the groove in a clamping mode.

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