Parallel gap lightning arrester

Abstract

The utility model discloses a parallel gap lightning arrester which comprises a parallel gap lightning arrester main body, an upper conductive screw rod and a lower conductive column are arranged on the parallel gap lightning arrester main body, and the upper conductive screw rod is connected to the middle of the top of the parallel gap lightning arrester main body through threads. The lower conductive column is connected to the middle of the bottom of the parallel gap lightning arrester body through threads, a butt joint seat is welded to the bottom of the lower conductive column, and counter bores are formed in the periphery of the butt joint seat in a cross-shaped mode. According to the utility model, the parallel gap lightning arrester can be easily installed, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to a shunt gap lightning arrester, belonging to the technical field of lightning arresters. Background Art

[0002] When installing a shunt gap lightning arrester, bolts and nuts are needed. However, the nuts are small in volume and not easy to hold and place, and are very likely to fall during the installation process. To solve the above problems, a new technical solution is provided. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a shunt gap lightning arrester to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: a shunt gap lightning arrester includes a shunt gap lightning arrester main body. An upper conductive screw rod and a lower conductive column are arranged on the shunt gap lightning arrester main body. The upper conductive screw rod is threadedly connected to the middle of the top of the shunt gap lightning arrester main body, and the lower conductive column is threadedly connected to the middle of the bottom of the shunt gap lightning arrester main body. A docking seat is welded to the bottom of the lower conductive column, and counterbores are arranged in a cross shape around the docking seat.

[0005] Preferably, bearings are connected in an interference fit above and below inside the counterbores. A transmission shaft is connected in an interference fit on the bearings. A boss and a hexagonal column are arranged on the transmission shaft. The boss is integrally formed and connected to the middle of the outer side of the transmission shaft, and the boss is placed between the upper and lower bearings. The hexagonal column is integrally formed and connected to the middle of the top of the transmission shaft.

[0006] Preferably, a fixing hole is arranged in the middle of the outer side of the hexagonal column, and a threaded through hole is arranged in the middle of the hexagonal column and the middle of the transmission shaft.

[0007] Preferably, a hexagonal sleeve is sleeved on the outer side of the hexagonal column, and a set screw is threadedly connected to the middle of the outer side of the hexagonal sleeve.

[0008] Preferably, the size and position of the set screw and the fixing hole are symmetrical.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the size and position of the set screw and the fixing hole of the utility model are symmetrical, so that the hexagonal sleeve can be easily fixed on the hexagonal column; a threaded through hole is arranged in the middle of the hexagonal column and the middle of the transmission shaft, so that it can be easily connected with a bolt; the transmission shaft is connected in an interference fit on the bearings, so that the transmission shaft can rotate easily; in summary, the utility model can easily install the shunt gap lightning arrester, effectively improving the work efficiency. Brief Description of the Drawings

[0010] Figure 1 It is a schematic structural diagram of the utility model;

[0011] Figure 2 Schematic diagram of the main structure of the parallel gap arrester of the present utility model;

[0012] Figure 3 Schematic diagram of the docking seat structure of the present utility model;

[0013] In the figure: 1 - Parallel gap arrester main body; 2 - Upper conductive screw; 3 - Lower conductive column; 4 - Docking seat; 5 - Counterbore; 6 - Bearing; 7 - Transmission shaft; 8 - Boss; 9 - Hexagonal column; 10 - Fixing hole; 11 - Threaded through hole; 12 - Hexagonal sleeve; 13 - Set screw. Specific implementation mode

[0014] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0015] As Figures 1-3 shown, a parallel gap arrester includes a parallel gap arrester main body 1. An upper conductive screw 2 and a lower conductive column 3 are arranged on the parallel gap arrester main body 1. The upper conductive screw 2 is threadedly connected to the middle of the top of the parallel gap arrester main body 1, and the lower conductive column 3 is threadedly connected to the middle of the bottom of the parallel gap arrester main body 1. A docking seat 4 is welded to the bottom of the lower conductive column 3. Counterbores 5 are arranged in a cross shape around the docking seat 4. Bearings 6 are press-fitted to the upper and lower sides inside the counterbores 5. A transmission shaft 7 is press-fitted to the bearings 6. A boss 8 and a hexagonal column 9 are arranged on the transmission shaft 7. The boss 8 is integrally formed and connected to the middle of the outside of the transmission shaft 7, and the boss 8 is placed between the upper and lower bearings 6. The hexagonal column 9 is integrally formed and connected to the middle of the top of the transmission shaft 7. A fixing hole 10 is arranged in the middle of the outside of the hexagonal column 9, and a threaded through hole 11 is arranged in the middle of the hexagonal column 9 and the middle of the transmission shaft 7. A hexagonal sleeve 12 is sleeved on the outside of the hexagonal column 9. A set screw 13 is threadedly connected to the middle of the outside of the hexagonal sleeve 12, and the size and position of the set screw 13 are symmetrical with the fixing hole 10.

[0016] Specific usage method: When installing the parallel gap arrester main body 1, place the docking seat 4 at the designated position, and then pass a bolt upward from the bottom of the designated position. When the bolt contacts the threaded through hole 11 on the transmission shaft 7, use a tool to screw the hexagonal sleeve 12. The rotation of the hexagonal sleeve 12 drives the transmission shaft 7 on the hexagonal column 9 to rotate. The rotation of the transmission shaft 7 drives the threaded through hole 11 to rotate. The rotation of the threaded through hole 11 drives the bolt to move upward to fasten the docking seat 4 at the designated position.

[0017] The above is a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the teachings of the present utility model, any changes, modifications, substitutions, and variations made to the embodiments without departing from the principles and spirit of the present utility model still fall within the protection scope of the present utility model.

Claims

1. A parallel gap arrester, comprising a parallel gap arrester body (1), characterized in that: An upper conductive screw (2) and a lower conductive column (3) are provided on the parallel gap arrester body (1); the upper conductive screw (2) is connected to the middle of the top of the parallel gap arrester body (1) through a thread; the lower conductive column (3) is connected to the middle of the bottom of the parallel gap arrester body (1) through a thread; a docking seat (4) is welded to the bottom of the lower conductive column (3); and countersunk holes (5) are arranged in a cross shape around the docking seat (4).

2. A parallel gap arrester according to claim 1, characterized in that: The counterbore (5) is interference-connected with a bearing (6) at the upper and lower parts, the bearing (6) is interference-connected with a transmission shaft (7), the transmission shaft (7) is provided with a boss (8) and a hexagonal column (9), the boss (8) is integrally formed and connected to the middle of the outer side of the transmission shaft (7), and the boss (8) is placed between the upper and lower bearings (6), and the hexagonal column (9) is integrally formed and connected to the middle of the top of the transmission shaft (7).

3. A parallel gap arrester according to claim 2, characterized in that: A fixing hole (10) is provided in the middle of the outer side of the hexagonal column (9), and a threaded through hole (11) is provided in the middle of the hexagonal column (9) and the middle of the transmission shaft (7).

4. A parallel gap arrester according to claim 3, characterized in that: A hexagonal sleeve (12) is sleeved on the outside of the hexagonal column (9), and a set screw (13) is threadedly connected in the middle of the outside of the hexagonal sleeve (12).

5. A parallel gap arrester according to claim 4, characterized in that: The size and position of the set screw (13) and the fixing hole (10) are symmetrical.

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