Direct-current deicing wire short-circuit joint control device

The utility model discloses a direct-current deicing wire short-circuit joint control device. The device comprises three sets of short-circuit control devices, a short-circuit joint control device anda structure feedback device, the short circuit control device comprises a first crank arm bending device, a second crank arm bending device, a contact short circuit device and a fixed connection device. The fixed connecting device is fixed on a power transmission iron tower; the second crank arm bending device is connected with the fixed connecting device through the first crank arm bending device; the contact short-circuit device is connected to the end of the second crank arm bending device, the short-circuit control device is used for pushing the whole device to conduct wire short-circuitwork of direct-current ice melting on a power transmission iron tower, the short-circuit joint control device is used for controlling automatic operation of the short-circuit control device, and the structure feedback device i