At the same time as work, the front clutch can also be added to work, and power is transmitted through the intermediate shaft to the rear planetary gear ring. Because the front planetary gear ring, the rear planet carrier and the output shaft are fixedly connected, under the action of the driving resistance, the tendency of the rear planet carrier to rotate is braked, and the power is transmitted to the sun wheel through the rear planetary gear. The sun gear is shared by two rows of planetary gear sets. Due to the braking effect of the one-way clutch, the front planet carrier is braked and the power is transmitted from the sun gear to the front planetary gear ring. The front planetary gear ring is fixed to the output shaft. Power is transmitted to the output shaft. At the same time, power is transmitted to the rear planet carrier via the rear planetary gear ring, so that the front planetary gear ring and the rear planet carrier output the power together. The two planetary gear sets work together to reduce the mechanical loads on each wheel.

In the analysis, students should be made aware of the power transmission relationship. The power is always input from the speeding input shaft and transmitted from the front planetary gear ring or the rear planet carrier to the output shaft. Actions The action of each gear clutch, brake, and one-way clutch is pre-designed to achieve the shift condition, ie, simultaneous action. The control relationship changes the size and direction of the transmission by changing the coupling relationship between the various components of the planetary gear or the body through clutches, brakes, and one-way clutches. As a result of the analysis of the various gears, Mujing’s Muqin classmates had a new schooling effect, compared to the Puju’s burial and Mufu’s self-helping 驹Miyi stone.

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