公开(公告)号：US11305581B2

公开(公告)日：2022-04-19

申请号：US16474244

申请日：2017-12-15

Applicant: BYD COMPANY LIMITED

Inventor： Heping Ling ,  Zhen Zhai ,  Changan Huang ,  Yongmeng Luo

IPC: B60K7/00 ,  B60B35/14 ,  B60K17/356 ,  F16D11/14 ,  F16H1/28

Abstract: The present specification discloses a drive shaft locking device, a power-driven system, and a vehicle. The drive shaft locking device comprises a planetary gear mechanism comprising a sun gear, a planetary gear, a planetary carrier, and a gear ring. A first drive shaft is connected with one of the sun gear, the planetary carrier, and the gear ring, and a second drive shaft is connected with another one of the sun gear, the planetary carrier, and the gear ring. A power joint device comprises a first joint part and a second joint part. The first drive shaft and the first joint part synchronously rotate, and the second drive shaft and the second joint part synchronously rotate. A joint part drive comprises a drive part to drive a drive needle for joining the second joint part with the first joint part along the axial direction.

公开(公告)号：US11015690B2

公开(公告)日：2021-05-25

申请号：US16474254

申请日：2017-12-15

Applicant: BYD COMPANY LIMITED

Inventor： Heping Ling ,  Zhen Zhai ,  Youbin Xu ,  Changan Huang

IPC: F16H48/32 ,  F16H48/08 ,  F16H48/22 ,  F16H48/38

Abstract: The present specification discloses a differential mechanism and a vehicle. The differential mechanism includes a shell. A left half axle gear, a right half axle gear, a planet wheel and a planet wheel axle are disposed in the shell. The planet wheel is rotatably mounted on the planet wheel axle and meshes with the left half axle gear and the right half axle gear. A power engagement device includes a first engagement portion and a second engagement portion. The first engagement portion is connected with the left half axle gear or the right half axle gear, and the second engagement portion rotates synchronously with and moves axially relative to the shell. An engagement portion drive device includes a drive pin and a drive portion. The drive portion is configured to drive the drive pin to drive the second engagement portion close to the first engagement portion along an axial direction.