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Shift drum arrangement

一种换挡鼓、挡位的技术，应用在带有齿的元件、凸轮、传动装置控制等方向，能够解决不安全行驶状态等问题，达到耗费低的效果

Active Publication Date: 2020-01-31
DR ING H C F PORSCHE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For safety reasons, however, it must be mechanically prevented from entering the parking lock position in the driving state due to unintentional actuation of the actuator, which could lead to an unsafe driving state with blocked drive wheels

Method used

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Examples

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Embodiment Construction

[0045] The present invention relates to a shift drum arrangement especially for motor vehicles and especially also for electric vehicles or hybrid vehicles with electric machines and internal combustion engines as drives, wherein the shift drum arrangements are provided with Shift the transmission and activate the parking lock.

[0046] This transmission is, for example, a 2-speed transmission capable of automatic shifting. The transmission has, for example, two shift elements to realize the first gear and the second gear. Here, the shift element used for the first gear is, for example, an overrunning clutch that is shifted by a dog clutch. Here, the shift element for the second gear is, for example, a friction clutch, which is opened by the shift drum arrangement and closed again by a spring. In this case, the dog clutch and the friction clutch are arranged by a common shift drum and actuated, for example, by a corresponding shift lever, which is actuated by the shift drum. H...

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PUM

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Abstract

The invention relates to a shift drum arrangement (1, 100, 200) with a shift drum (2, 101, 201) and a locking device, the shift drum having at least one first shift Slot (10) and / or a shift drum track (11) to actuate at least one shift element of a transmission, in particular a motor vehicle; the locking device has a locking slot (12, 20, 30) and has a locking pin (3, 13, 24, 108, 208), the locking pin engages in the locking chute (12, 20, 30), wherein the locking chute (12, 20, 30) has a labyrinth profile such that the locking Pins (3, 13, 24, 108, 208) collide with the stop profile (15) in the direction of rotation of the shift drum (2, 101, 201) and block the shift drum (2, 101, 201 ), wherein the blocking is released after the shift drum (2, 101, 201) is rotated partially back in the opposite direction of rotation.

Description

Technical field [0001] The invention relates to a shift drum arrangement especially for motor vehicles. Background technique [0002] The shift drum arrangement in a motor vehicle and especially also in an electric vehicle or a hybrid vehicle having an electric machine and an internal combustion engine as a drive is provided with a parking lock position, which is entered through the transmission with the shift drum arrangement, whereby The vehicle cannot slip away in the parking state. Here, at least one axle of the vehicle is blocked and prevents the vehicle from slipping away or being slipped away. [0003] If the transmission is, for example, a 2-speed automatic transmission for electrically driving a vehicle, the shifting element for the first gear may be, for example, an overrunning clutch that can be shifted by a dog clutch. Here, the shift element for the second gear can be a friction clutch, which is opened by the shift drum arrangement and closed again by a spring. Here...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H63/16F16H63/36
CPCF16H63/16F16H63/36F16H61/0059F16H63/18F16H63/3416F16H53/025F16H61/18
Inventor K·高斯拉布
Owner DR ING H C F PORSCHE AG
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