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Electromagnetic driving cantilever type ratchet wheel locking device

A technology of electromagnetic drive and locking device, applied in transmission control, components with teeth, belts/chains/gears, etc., can solve the problems of long unlocking and locking time, inability to make the P-gear parking brake small, etc. , to achieve the effect of reliable execution efficiency, high execution efficiency and high execution efficiency

Pending Publication Date: 2020-07-10
广东戈兰玛汽车系统有限公司
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the defects of the prior art and provide an electromagnetically driven cantilever type ratchet locking device to solve the problem that the motor in the traditional P parking brake in the prior art uses multi-stage reduction gears, which leads to the failure of P The size of the first gear parking brake is made small, and at the same time it leads to the problem of long unlocking and locking time

Method used

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  • Electromagnetic driving cantilever type ratchet wheel locking device
  • Electromagnetic driving cantilever type ratchet wheel locking device
  • Electromagnetic driving cantilever type ratchet wheel locking device

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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

[0031] see Figure 1-3 , in the embodiment of the present application, the present application provides an electromagnetically driven cantilever type ratchet locking device, including: reduction box housing 10, ratchet 20,...

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Abstract

The invention discloses an electromagnetic driving cantilever type ratchet wheel locking device which comprises a reduction gearbox shell, a ratchet wheel, a pawl, a ratchet wheel position sensing component, a paw position sensing component, a paw electromagnetic driving component, a paw state keeping component and a control component. The electromagnetic driving cantilever type ratchet wheel locking device can reduce space occupation as much as possible in a compact electric motor car speed reducer and uses a simple mechanical structure to reduce the failure probability of en electrical system; and compared with a traditional motor speed reducer, lever type electromagnetic propulsion has shorter action finishing time and is high and reliable in execution efficiency.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to an electromagnetically driven cantilever type ratchet locking device. Background technique [0002] At present, the trend of pure electric vehicles is sweeping the country. Different from the internal combustion engine and multi-stage transmission of traditional fuel vehicles, electric vehicles use single-stage reducers. Single-stage reducers have a wide adjustable speed range, wide torque platform, and energy density. high innate advantage. The output shaft end of the single-stage reducer is equipped with a P-level parking brake, which can solve the problem that the motor cannot be separated from the reducer after parking, and can also meet the needs of the parking function. [0003] The traditional P parking brake uses a motor to drive the worm to push the pawl to engage the ratchet to lock the output shaft of the reducer. In order to cope with the worst situation, t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H63/34
CPCF16H63/3433F16H63/3475
Inventor 刘平姚冲
Owner 广东戈兰玛汽车系统有限公司
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