Transmission system suitable for 40.5 KV large-current environment-friendly combined electric appliance

The utility model belongs to the technical field of power switch equipment, and particularly relates to a transmission system suitable for a 40.5 KV large-current environment-friendly combined electric appliance. The transmission system suitable for the 40.5 KV large-current environment-friendly combined electric appliance comprises a support, a circuit breaker and a combined electric appliance body are fixedly installed on the support, a power swing arm is arranged in the combined electric appliance body, and a transmission shaft is installed in the circuit breaker, and is characterized in that the power swing arm is connected with a main transmission pull rod, the main transmission pull rod is connected with the main transmission swing arm, and the main transmission pull rod is connected with the transmission shaft. The two sides of the main transmission swing arm are connected with the two driven pull rods respectively, the two driven pull rods on each side are connected with the two ends of the driven swi