Motorcycle Shift Actuator Calibration via Drive Shaft Fixation
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Solution Overview
Problem
The calibration of shift actuators in motorcycles with automated manual transmission mechanisms is complicated due to the need to adjust multiple components simultaneously, including the position sensor and shift power transmitting mechanism, which are connected to the drive shaft, making assembly and maintenance tedious and difficult.
Innovation Solution
The method involves temporarily securing the drive shaft relative to the housing to allow independent adjustment of the position sensor and shift power transmitting mechanism, simplifying the calibration process by separating the adjustments of these components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the drive shaft is allowed to rotate freely during calibration, then the shift actuator can operate normally, but the adjustment of position sensor and shift power transmitting mechanism becomes complicated and time-consuming
Solution Approach 1:
The patent applies preliminary action by temporarily fixing the drive shaft to the housing before performing calibration adjustments. This preliminary fixation creates a stable reference frame that simplifies subsequent adjustment operations of the position sensor and shift power transmitting mechanism, eliminating the need for repeated confirmations during calibration.
Solution Approach 2:
The patent introduces a fixing member as an intermediary element between the drive shaft and housing. This fixing member temporarily couples the drive shaft to the housing during calibration, serving as a mediator that enables independent adjustment of calibration components without requiring the drive shaft to rotate freely, thus simplifying the calibration process.
2Manufacturing precision
If multiple components are adjusted simultaneously during calibration, then the shift actuator can be calibrated, but the complexity of the calibration process increases
Solution Approach 1:
The patent applies segmentation by dividing the calibration process into independent steps through temporary fixation. By fixing the drive shaft to the housing, the calibration of the position sensor and the adjustment of the shift power transmitting mechanism can be performed separately and independently, reducing the complexity of simultaneous multi-component adjustment while maintaining calibration accuracy.
Data Source
AI summary
A shift actuator comprises a drive shaft and a housing that rotatably supports the drive shaft. A shift position detecting apparatus detects a rotational position of the drive shaft. The drive shaft is connected to a shift mechanism by an operating lever and a shift rod. The operating lever and the housing are respectively formed with a through hole and a bottomed hole. The drive shaft can be temporarily secured in rotational position by inserting a lever positioning pin into the through hole and the bottomed hole. When secured, the shift position detecting apparatus can be attached to the housing and a length of the shift rod can be adjusted.