An electric wheel assembly, an axle and a vehicle suitable for twin-tyre parallel mounted wheels

Abstract

The invention discloses an electric wheel assembly, an axle and a vehicle suitable for twin tires and wheels, including a wheel and support shaft assembly, an inner rotor hub motor, a planetary gear reducer and a braking system. The planet carrier is connected to the hub, the hub is connected to the spokes and the rim, the wheel support shaft passes through the rotor sleeve, and the hub bearing is arranged on it to support the hub and the entire wheel; the sun gear at one end of the rotor sleeve of the inner rotor hub motor is a planetary gear reduction The power input of the reducer, the planetary carrier is the power output; the tower gear used in the planetary gear of the planetary gear reducer achieves a large transmission ratio with a small axial length; the braking system adopts a drum brake, the brake drum and the rotor sleeve The braking force is amplified through the planetary gear reducer, which can reduce the braking force provided by the braking system, and the motor can provide electric braking force during braking. The electric wheel assembly can be used for non-independent suspensions of commercial vehicles, and can adopt an integrated cooling and lubrication cooling and lubrication method to improve performance.

Description

technical field [0001] The invention belongs to the technical field of electric drive of new energy vehicles, and in particular relates to an electric wheel assembly, an axle and a vehicle suitable for twin-tyre parallel mounted wheels. Background technique [0002] Traditional commercial vehicles generally adopt a centralized drive method, and their performance improvement is often limited by many aspects, such as: the transmission chain is long, and components such as drive shafts, transfer cases, and differentials are required, which affects the overall layout and lightweight , the overall low efficiency of the transmission system limits the number of driving axles, thus limiting the development of vehicles in the direction of super long and heavy load; a single engine provides power, and the power transmission is in a series transmission mode, resulting in poor reliability and fault tolerance ; The specific power is low, and the power is limited. Therefore, the developm...

AI Technical Summary

Problems solved by technology

However, due to the large space occupied by the deceleration mechanism, it is not possible to use twin tires and wheels commonly used in commercial vehicles, and it is difficult to install on the non-independent suspension of traditional commercial vehicles. It may also need to use custom-made rims, and the cost is also high.

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