CN204858488U - Ground Wire Insulation Structure of High Voltage Transmission Line - Google Patents

Abstract

The utility model discloses a ground wire insulation structure of a high-voltage transmission line, which comprises a U-shaped hanging ring, a right-angle hanging plate, a parallel hanging plate, a ground wire clip and a semiconductor insulating tape, and the U-shaped hanging ring is connected with the right-angle hanging plate. The right-angle hanging plate is connected with the ground wire clamp through the parallel hanging plate, the ground wire clamp is fixed on the ground wire, and the fixed connection between the ground wire clamp and the ground wire is covered with a semiconductor insulating tape. The material characteristics of the semiconducting insulating tape can ensure the purpose of ground leakage through surface flashover or temporary conduction under the condition of overvoltage; on the other hand, the semiconducting insulating tape wraps the ground wire to realize the insulation from the ground wire clamp , in order to achieve the purpose of sealing insulation. The structure of the utility model is convenient for construction, the installation procedure is simple, and the mechanical properties of the ground wire string fittings do not need to be re-checked. At the same time, the utility model can meet the functions of segmental insulation and overvoltage conduction of the ground wire, and has strong practicability.

Description

Ground Wire Insulation Structure of High Voltage Transmission Line

technical field

The utility model relates to the technical field of electric power system insulation, in particular to a ground wire insulation structure of a high-voltage transmission line.

Background technique

In high-voltage transmission lines, the selection of the insulation method of the ground wire is particularly important. The purpose of selecting a suitable insulation method for the ground wire is to avoid excessive power loss on the ground wire while ensuring safety. At present, the more commonly used method is The "ground wire insulator with air gap" is used to ensure the insulation effect of the ground wire, but this method is complicated to install, and the load under different working conditions needs to be verified to meet the mechanical performance.

Therefore, those skilled in the art are devoting themselves to developing a ground wire insulation structure for high-voltage transmission lines.

Utility model content

In view of the above-mentioned defects in the prior art, the technical problem to be solved by the utility model is to provide a ground wire insulation structure for high-voltage transmission lines with reasonable structural design, convenient use, simple installation procedure and good insulation effect.

In order to achieve the above purpose, the utility model provides a ground wire insulation structure of a high-voltage transmission line, including a U-shaped hanging ring, a right-angle hanging plate, a parallel hanging plate, a ground wire clip and a semiconductor insulating tape, and the U-shaped hanging ring and The right-angle hanging plate is connected, the right-angle hanging plate is connected with the ground wire clamp through the parallel hanging plate, the ground wire clamp is fixed on the ground wire, and the fixed connection between the ground wire clamp and the ground wire is covered with a semiconductor insulating tape.

Further, a flashover is provided on the outer surface of the semiconductor insulating tape.

The beneficial effects of the utility model:

Because the utility model adopts the above technical scheme, the construction is convenient, the installation procedure is simple, and there is no need to re-check the mechanical properties of the ground wire string fittings, and at the same time, it can meet the functions of segmental insulation and overvoltage conduction of the ground wire, and has a strong practicality.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Reference signs in the figure: 1-U-shaped hanging ring; 2-right-angled hanging plate; 3-parallel hanging plate; 4-ground wire clamp; 5-semiconductor insulating tape.

Detailed ways

The embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, but the utility model can be implemented in various ways defined and covered by the claims.

As shown in Figure 1, a ground wire insulation structure of a high-voltage transmission line: including a U-shaped hanging ring 1, a right-angle hanging plate 2, a parallel hanging plate 3, a ground wire clip 4, and a semiconductor insulating tape 5, and the U-shaped hanging ring 1 is connected to the right-angle hanging plate 2, the right-angle hanging plate 2 is connected to the ground wire clamp 4 through the parallel hanging plate 3, the ground wire clamp 4 is fixed on the ground wire, and the fixed connection between the ground wire clamp 4 and the ground wire is outsourced Covered with semiconductor insulating tape 5.

Further, the outer surface of the semiconductor insulating tape 5 is provided with a flashover, and the conductor insulating tape 5 wraps the contact part between the ground wire and the ground wire clamp 4 to achieve the effect of insulation. When the ground wire is struck by lightning or short-circuit voltage, the overvoltage The purpose of leakage can be achieved by flashover or temporary conduction on the surface of the semiconductor insulating tape 5, thereby ensuring the original design function of the ground wire.

The material properties of the semiconductive insulating tape can ensure the purpose of ground leakage through surface flashover or temporary conduction under the condition of overvoltage; on the other hand, the semiconductive insulating tape wraps the ground wire to realize the insulation from the ground wire clamp , in order to achieve the purpose of sealing insulation.

The specific implementation mode is convenient in construction and simple in installation, can meet the functions of segmental insulation of ground wires and conduction of overvoltage, and has broad market application prospects.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (2)

1. A ground wire insulation structure of a high-voltage transmission line, characterized in that: it includes a U-shaped hanging ring, a right-angle hanging plate, a parallel hanging plate, a ground wire clamp and a semiconductor insulating tape, and the U-shaped hanging ring and the right-angle hanging board connection, the right-angle hanging board is connected to the ground wire clamp through the parallel hanging board, the ground wire clamp is fixed on the ground wire, and the fixed connection between the ground wire clamp and the ground wire is covered with a semiconductor insulating Tape. 2. The ground wire insulation structure of a high-voltage transmission line according to claim 1, characterized in that: the outer surface of the semiconductor insulating tape is provided with a flashover.