Lifting device for diversion lines of power transmission line tension tower

Abstract

The invention relates to a lifting device for diversion lines of a power transmission line tension tower, and belongs to the technical field of maintenance of power equipment. The lifting device for the diversion lines of the power transmission line tension tower comprises a U-shaped ring and rotation devices, wherein the U-shaped ring is provided with a downward opening, the rotation devices are arranged at bottom ends of two sides of the U-shaped ring, hooks are fixedly connected with the rotation devices and rotate with the rotation devices around an axial line, each rotation device is a thrust ball bearing and bearing seat, the thrust ball bearing comprises a seat ring and a shaft ring, hooks are fixedly connected with the shaft rings, and the hooks, the U-shaped ring and the rotation devices are all made of insulation materials. The two hooks are arranged at bottom ends of the inverted U-shaped ring, more balanced stress on a steel pipe framework can be ensured, and the steel pipe framework is easier to lift. The hooks and the rotation devices are fixed, and the hooks can randomly rotate and are convenient to hook the steel pipe framework from a gap between diversion lines; and the lifting device is lifted by fastening a screw rod, the lifting device is simple in structure, and a labor saving effect can be achieved.

Description

technical field [0001] The invention relates to a lifting device for a drain line of a tension tower of a power transmission line, and belongs to the technical field of power equipment maintenance. Background technique [0002] The UHV transmission line is rated as the transmission line with the highest voltage level in the world. Its power supply load is high, and the responsibility for ensuring the safe operation of the line is higher than that of any other high-voltage line. Ensuring the reliability of its power supply has also become the main task of the operation and maintenance unit. For the sake of safety and power supply reliability, a device for lifting the drain wire of the UHV tension tower is specially invented, which can replace the insulator string of the drain wire when the line is charged, which not only keeps people working at heights away from the electric field of the wire, but also improves the reliability of power supply . [0003] At this stage, my cou...

AI Technical Summary

Problems solved by technology

[0003] At this stage, my country's UHV transmission lines are already in the leading position in the international field, but due to their particularity, many existing technical tools can no longer meet the maintenance work of UHV transmission lines after operation.

For the replacement of the insulator string of the strain tower of the UHV transmission line, there has been no special tool for replacement. The safety factor of the ordinary replacement method is low and the line must be powered off before proceeding, which results in safety and reliability of power supply. greatly reduced sex

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