Rear axle of electric tricycle

Abstract

The present invention is rear axle of electric tricycle, and belongs to the field of vehicle technology. The rear axle includes a rear axle box, a large bevel gear inside the rear axle box, a differential housing connected to the large bevel gear and with first and second planetary gears, a pair of right and left half-shaft gears meshed with the first and second planetary gears, a pair of right and left half shafts matching the right and left half-shaft gears and the first and second planetary gears separately, a pair of left half shaft sleeves, a motor connected to the rear axle box, and a driving small bevel gear fixed on the output shaft of the motor and meshed with the large bevel gear. The present invention has the advantages of raised road condition adaptability, good operating effect, high safety, less power loss, etc.

Description

technical field [0001] The invention relates to a rear axle of an electric tricycle, which is an improvement to the existing rear axle of an electric tricycle, and belongs to the technical field of vehicle application. Background technique [0002] The rear axle of the electric tricycle in the prior art roughly has two kinds of structural forms, and one is that the motor 1 is installed in one of the hubs of a pair of hubs as shown in Figure 3, and the hub is directly driven by the motor 1, so that the motor 1 is installed in one of the hubs. For the wheels on the hubs (each with a brake device), this structure is actually a single-axis power transmission of the hub motor, that is, the hub equipped with the motor 1 on one side drives the hub on the other side; As shown in 4, the motor 1 is installed on the vehicle frame, and the driven sprocket installed in the middle of the transmission shaft is driven by the transmission chain to make the transmission shaft rotate, and the ...

AI Technical Summary

Problems solved by technology

[0003] The above-mentioned structures all belong to the single-shaft transmission or the rear axle category of single-shaft drive, and the following defects will be exposed in the actual use process: one is that the adaptability to road conditions is poor, because, due to road conditions, it is impossible to make the resistance of a pair of wheels Keep it at the same level. When one side has a large resistance and the other side has a small resistance, it is often the phenomenon of wheel deviation, causing an accident; second, if encountering bad road conditions, such as one side of the wheel sinking into a pit, it will usually appear In the situation where it is impossible to leave the pit area, it must be pulled or pushed out by manpower; third, the safety is affected by the poor controllability of the single-axis drive, and the climbing ability is weak and the torque is small; fourth, the power consumption is large , the continuation distance of one charge is short; the fifth is that although it is equipped with a pedal drive device, that is, the drive shaft is driven by manpower stepping on the pedal through the chain, but the structure of the pedal device is complicated, for example, it must be transitioned by means of a transition shaft or the like. components, and the complicated pedaling device will increase the weight of the vehicle

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