CVT speed reducer for pure electric vehicle
A technology for pure electric vehicles and electric vehicles, which is applied in the field of CVT reducers for pure electric vehicles, can solve the problem that a fixed speed ratio cannot take into account the power and economy of pure electric vehicles at the same time, and the fuel engine cannot realize forward and reverse rotation, and high-speed economy. It can improve the battery life of the vehicle, take into account both power and economy, and expand the high-efficiency range.
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[0019] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.
[0020] Such as figure 1 As shown, the CVT reducer for pure electric vehicles includes a reducer input shaft 2, a reducer output shaft, a driving wheel, a driven wheel, a hydraulic pump 3 and a hydraulic torque converter.
[0021] The driving wheel is connected with the input shaft 2, and the driven wheel is connected with the output shaft, and the driving wheel and the driven wheel are connected by a transmission belt 4, and both the driving wheel and the driven wheel are transmission wheels with variable diameters. If the diameter of the driving wheel increases, the diameter of the driven wheel decreases accordingly to realize the adjustable transmission ratio.
[0022] The input shaft is connected to the rotating shaft of the driving motor of the electric vehicle; preferably, the input shaft...
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