Electric spanner capable of cooling

The invention discloses an electric spanner capable of cooling. The electric spanner comprises a machine body, a high-capacity battery chamber, a sleeve, a motor chamber, a machine head and a handle;the motor chamber is fixedly arranged above the machine body; the machine head is fixedly arranged on one side of the motor chamber; the sleeve is connected in front of the machine head; the handle isfixedly arranged below the machine head and the motor chamber; a stepless speed adjustment switch lamp is fixedly arranged in front of the handle; the lower side of the handle is fixed on the batterychamber; an operation platform is fixedly arranged between the handle and the high-capacity battery chamber; a motor is fixedly arranged in the motor chamber, and is in transmission connection with arotating shaft; a turntable is connected to the outer side of the rotating shaft, and is connected with a transmission rod; and the transmission rod is connected with fan blades. Through arrangementof a circuit fan device, circ