Drainage arc measurement ware

The utility model belongs to the technical field of the used tool of transmission of electricity electric wire netting, especially, it is used for supplying the electrified used drainage arc measurement ware of wire drainage that installs of four to six-tenehs kilovolt transmission line to relate to one kind. Including fixed chuck and adjusting the chuck, the one end and the fixed chuck of insulation measurement rope are fixed, and adjust and the length of stiff end by the chuck by adjusting for the other end, the adjustment chuck is including being used for the camber main part of locking and fixing the insulation measurement rope length adjustment ware in the main part, said regulator includes a driving gear and a driven gear, and the adjustment turn-button is set to the axial region of driving gear, sets the race structure to around gear tooth a week of driving gear and is used for passing through the race with the insulation measurement rope, and the tip that provides is the circular shape jump ring, and the circular tip card of jump ring is gone into between the two gear teeth of driving gear. The utility model discloses an adopting adjustable structure, can controlling the length of insulation measurement rope accurately, for the rate of accuracy that improves drainage length, improve the construction process standard, the operation is got up simply, can realize for later live working alone, examine and repair operation, the circuit conditioning condition of providing convenience.