The utility model relates to a telescopic general dolly crank of 10kV cubical switchboard combination, including the body of rod, body of rod rear end sets up the handle, and rod front sets up the connector, sets up the sleeve outside the connector, the both sides of connector and upper end all are equipped with the dead lever, and the middle part of connector is equipped with the fixed orifices, the sleeve is inside to be equipped with into pole slide and fixed slot, advances the pole slide and sets up with the fixed slot interval, and sleeve upper portion is equipped with fastens the groove, the sleeve outside still is provided with into keyhole, it uses with the fixed orifices cooperation to advance the keyhole to connect through the gim peg, the utility model discloses simple structure, the cost is lower, and corresponding sleeve can make up according to equipment producer dolly type to easily installation, has made things convenient for fortune dimension personnel's operation, has avoided because the device type difference leads to the potential safety hazard of the unable operation damage equipment of dolly and the delay power transmission.