Low pressure is tensioner bullwheel for overhead line

The utility model discloses a low pressure is tensioner bullwheel for overhead line relates to electric power system overhead line technical field. Device part, ground device part, steel wire guide rope and drivetrain parts on wire pole part, pole, this tensioner bullwheel is small, occupation space is little, and easy transport, both has been fit for in the abominable area of environment, also is fit for the plains region, the utility model discloses make simply, for overhead line car and unmanned overhead line machine, required with low costs, the maintenance cost is few moreover, use the reel to strain the electric wire for area can reduce during the construction, makes the device be fit for in the abominable mountain area use of environment, this tensioner bullwheel can be taut with the electric wire through the crank when the electric wire is lighter, when the electric wire than longer and heavy the time, motor generation of power drawing electric wire, can be very big lighten the manpower to convenient and fast more, the utility model discloses a dc motor as drivetrain parts for the motor starts soon, and speed adjusting performance is good, does benefit to control.