The front planet carrier is braked due to the braking effect of the one-way clutch shoe

 

While working, the front clutch also works, and the power passes through the intermediate shaft and is transmitted to the rear planetary ring gear. Because the front planetary ring gear, 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 gear through the rear planetary gear. The sun gear is shared by the two rows of planetary sets. Due to the braking effect of the one-way clutch shoe, the front planet carrier is braked, and the power is transmitted from the sun gear to the front planetary ring gear, because the front planetary gear ring is fixed with the output shaft. , The power is transmitted to the output shaft. At the same time, the power is transmitted to the rear planet carrier through the rear planetary gear ring, so that the front planetary gear ring and the rear planet carrier output power together. The two rows of planetary gear sets work together to reduce the mechanical load of each wheel.

In the analysis, students should understand the power transmission relationship. The power is always input from the overspeed input shaft, and output from the front planetary gear ring or the rear planet carrier to the output shaft. Action relationship The actions of each gear clutch, brake, and one-way clutch are designed in advance to reach the shifting conditions, that is, they act simultaneously. The control relationship changes the connection relationship between the various parts of the planetary gear or the body through the clutch, brake, and one-way clutch to change the size and direction of the transmission. Because of the analysis of each gear, Bian Jing Qimuxu compared the new learning effect of Pu Xi’s burial of Li Mu and his own stone.

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