Special-shaped tension yoke plate for power transmission line

Abstract

The invention discloses a special-shaped tension yoke plate for a power transmission line. The special-shaped tension yoke plate comprises a special-shaped main plate, an inserting groove is formed inthe middle of the end face of one end of the special-shaped main plate, a transverse inserting square plate is inserted into the inserting groove and welded and fixed, an upper tension hanging pointand a lower tension hanging point are arranged on the end face, close to the top and the other end, of the special-shaped main plate respectively, and adjusting limiting mechanisms are installed on the upper tension hanging point and the lower tension hanging point. Suspension insulator strings are transversely inserted into two ends of the transverse inserting square plate; each tension hanging point is connected with a triangular yoke plate through a bolt; the two sides of the vertex angle of the triangular connecting plate can be adjusted and limited through the adjusting and limiting mechanism; the triangular yoke plates with different vertex angles can be conveniently limited and fixed; the triangular yoke plate is provided with two wire hanging points; two lower front horizontal hanging points and two upper rear horizontal hanging points are formed in the space to form a simple tension-resistant stay wire structure, so that the string length of the hardware fitting is shortened,the cumbersome structure that a drainage wire on a common jumper wire structure adopts a 30-degree lead wire and a jumper wire spacer is additionally arranged is avoided, and the safety and reliability of the operation of a power transmission line are enhanced.

Description

technical field [0001] The invention relates to the technical field of transmission lines in electric power systems, in particular to a special-shaped strain-resistant joint plate for transmission lines. Background technique [0002] In the transmission line, the tension series of the transmission line bears the tension of the conductor and the ground wire, which is related to the safety and reliability of the project. At present, the typical strain strings operating on 500kV high-voltage transmission lines mostly use left-right symmetrical connecting plates to form four hanging points equidistant in the vertical plane. When the upper and lower wires pass through the extension rod, in order to avoid collision in special circumstances such as wind swing, a TJ type jumper clamp is installed between the upper and lower wires and the extension rod. The long type makes the tension strings cumbersome and the overall cost is high. How to ensure that the tension string does not co...

AI Technical Summary

Problems solved by technology

At present, the typical strain strings operating on 500kV high-voltage transmission lines mostly use left-right symmetrical connecting plates to form four hanging points equidistant in the vertical plane. When the upper and lower wires pass through the extension rod, in order to avoid collision in special circumstances such as wind swing, a TJ type jumper clamp is installed between the upper and lower wires and the extension rod. The long type makes the tension string cumbersome and the overall cost is high

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