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Driveshaft lockup and powertrain and vehicle

A locking device and drive shaft technology, applied in the field of vehicles, can solve the problems of wasting the differential function of the differential, occupying a lot of space, and many parts, and achieve the effect of reliable function realization, low cost and few parts

Active Publication Date: 2020-05-22
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the related technology, the new energy vehicle adopts a distributed drive mode, and two motors drive the wheels on both sides respectively. The speed and torque of the left and right wheels can be independently adjusted by the controller, which cancels the differential. In some slippery road conditions, it is still necessary to lock the left and right axle shafts to improve vehicle passability
If the traditional electric locking differential is applied to distributed drive new energy vehicles, the differential function of the differential will be wasted, and the traditional electric locking differential has a complex structure and many parts. takes up more space

Method used

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  • Driveshaft lockup and powertrain and vehicle
  • Driveshaft lockup and powertrain and vehicle
  • Driveshaft lockup and powertrain and vehicle

Examples

Experimental program
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Embodiment Construction

[0068] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0069] The drive shaft locking device 100 according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. The drive shaft locking device 100 can be applied to vehicles, especially for new energy vehicles using distributed drive. The drive shaft locking device 100 It can be used to lock two drive shafts, so that the left and right wheels can rotate synchronously, which can greatly improve the ability of the vehicle to get out of trouble. The vehicle can be an electric vehicle, but not limited thereto.

[0070] Such as figure 1 and figure 2 As shown, the drive shaft locking device 100 according ...

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PUM

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Abstract

The invention discloses a driving shaft locking device, a power-driven system and a vehicle. The driving shaft locking device comprises a planetary gear mechanism, a first driving shaft, a second driving shaft, a power connecting device and a connecting part driving device comprising a driving needle and a driving part. The power connecting device comprises a first connecting part and a second connecting part. The first driving shaft is connected with one of sun gears, planetary carriers and gear rings, and the second driving shaft is connected with the other one of the sun gears, the planetary carriers and the gear rings. The first driving shaft and the first connecting part synchronously rotate, and the second driving shaft and the second connecting part synchronously rotate. The drivingpart is used for driving the driving needle to drive the second connecting part to move in the direction close to the first connecting part in the axial direction, thus the second connecting part isconnected with the first connecting part, and at least one end of the driving needle is provided with rolling structures. Therefore, the two driving shafts can be locked by the driving shaft locking device, and the off-the-hook ability of the vehicle can be improved.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a drive shaft locking device for a vehicle, a power drive system with the drive shaft lock device, and a vehicle with the power drive system. Background technique [0002] In the related technology, the new energy vehicle adopts a distributed drive mode, and two motors drive the wheels on both sides respectively. The speed and torque of the left and right wheels can be independently adjusted by the controller, which cancels the differential, but in a In some slippery road conditions, it is still necessary to lock the left and right axle shafts to improve vehicle passability. If the traditional electric locking differential is applied to distributed drive new energy vehicles, the differential function of the differential will be wasted, and the traditional electric locking differential has a complex structure and many parts. Take up more space. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K17/02B60K17/04B62D11/04B62D11/02
CPCB60K17/02B60K17/04B62D11/02B62D11/04
Inventor 吴飞凌和平翟震黄长安罗永孟
Owner BYD CO LTD