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Driveshaft locking device and power drive system and vehicle

A technology of a locking device and a drive shaft, applied in the field of vehicles, can solve the problems of wasting the differential function of the differential, occupy a lot of space, and have many parts, etc., and achieve the effects of reliable function realization, low cost, and few parts and components.

Active Publication Date: 2020-03-31
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 locking device and power drive system and vehicle
  • Driveshaft locking device and power drive system and vehicle
  • Driveshaft locking device and power drive system and vehicle

Examples

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Embodiment Construction

[0052] 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.

[0053] 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.

[0054] like figure 1 and figure 2As shown, the drive shaft locking device 100 according to t...

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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 and a power joint device and further comprises a joint part driving device, the power joint device comprises a first joint part and a second joint part, a planet carrier, the first drive shaft and the first joint part synchronously rotate, the first joint part can move in the axial direction relative to the first driving shaft, the second driving shaft, the second joint part and a sun wheel synchronously rotate, the joint part driving device comprises a driving pin and a driving part, the driving pin can rotate around the sun wheel along with a gear ring and can axially move relativeto the gear ring, the driving part is used for driving the driving pin to drive the first jointing part to move in the direction close to the second jointing part in the axial direction so as to enable the first joint part to be connected to the second joint part, and a rolling structure is arranged at least one end of the drive pin. According to the driving shaft locking device, the two drivingshafts can be locked, and the escape capability 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): F16H1/32F16H57/08F16H57/10B60K17/04
CPCB60K17/04F16H1/32F16H57/082F16H57/10F16H2001/327F16H2057/087F16H2200/0021F16H2200/2035
Inventor 凌和平翟震杜魁善罗永孟黄长安
Owner BYD CO LTD
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