electric cargo tricycles compartment shaft structure

Extended electric cargo tricycles compartment shaft structure, which includes a rear drag car, connecting shaft, pressure plane bearings, lock nuts, tractor rear compartment, on the surface of the car after the tow tractor rear compartment under the rear end of the middle of the front intermediate surface between the fixed installation have a separate connecting shaft and pressure plane bearings, connecting both ends of the rear axle through the car's chassis and tractor trailer the trunk of the car plates, were used at both ends of the connecting shaft lock nut lock fixed. The cargo tricycles  compartment shaft extension structure not only extended cab space and increase freight traffic, and a simple structure, good stability, so that the factory or personal cargo work more time-saving, increase economic efficiency.