The electric electric tricycles on the market are divided into household type, freight type, and factory type according to the purpose. Because of the different uses, the technical standards adopted are also different. Household electric electric tricycles mostly use side wheel motors and external frames (the frame is outside the wheels). This structure of the car has no large axle and load capacity. Lightweight, generally about 200KG, the motor is generally 350-500W, and the battery is 12V20AH battery, suitable for household and elderly walking tools. There is also a central motor with a large shaft, (the large shaft is also called the rear axle and the rear beam, which is the axle connecting the rear two wheels of the electric tricycle, and is an important part of the electric tricycle). Two wheels, smooth start, but this kind of electric tricycle is generally more expensive.

　　Cargo type, this kind of car is also divided into two types, one is motorcycle type, the configuration and style are similar to three-wheeled motorcycles, the middle motor has a large shaft, and it is equipped with a motor of 500W or more. The cargo capacity is generally 300-600KG, and the configuration There is a reversing switch and a speed regulating system. The speed on the road is about 35 kilometers per hour. One is a motorized three-wheel type, which is mostly converted from a motorized three-wheeler. The rear axle and the carriage are completely equipped with a motorized electric tricycle. The load is more than one ton, and the speed can be adjusted by the gearbox. It is equipped with 4-5 blocks of 120AH large capacity. Battery, DC 900W or above motor, with or without cab, can also be equipped with hydraulic lifting device, used for loading and unloading bulk materials in the factory and for cleaning and transporting garbage in the city.

　　Factory-type electric electric tricycles are generally used in harsh environments, requiring durable motors and batteries that can adapt to environments such as dust, high temperature, and rough roads. They have high requirements for frame materials and welding processes, and the thickness of the pipes used for the frame is 2.5. More than MM, the diameter of the rear axle is more than 78MM, the welding adopts plasma shielded welding, the welding density is high, the tensile strength of the weld seam is high, and it is not easy to break. Can adapt to the requirements of the factory operating environment. There are more brick factory applications in brick factories, electric flatbed trucks, electric lifting water billet trucks, etc. for brick factories; electric kiln loading cars, Electric kiln cars, etc.; electric transport vehicles for engineering, tunnels, and sanitation, electric dump trucks, electric sanitation cleaning vehicles, etc. Electric transport vehicles and electric dump trucks are also used in flour mills, mineral processing plants, chemical plants, furnace material plants, farms, wholesale departments, urban and rural households, rental and other short-distance transportation.