SPEED-CHANGING DEVICE

A control value is corrected and learned based on a difference angle Δϕ between a drum shaft conversion spindle integration angle ϕs obtained by converting a detected spindle angle detected by a spindle angle sensor 78 into a drum angle and a detected drum angle ϕd detected by a drum angle sensor 89...

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Bibliographic Details
Main Authors ARAI, Dai, MISAWA, Shinji, ITO, Asuka
Format Patent
LanguageEnglish
French
German
Published 19.06.2024
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:A control value is corrected and learned based on a difference angle Δϕ between a drum shaft conversion spindle integration angle ϕs obtained by converting a detected spindle angle detected by a spindle angle sensor 78 into a drum angle and a detected drum angle ϕd detected by a drum angle sensor 89, over a predetermined learning time T from when the shift motor 61 is driven, and a drive engagement portion 83d of a shift driven gear 83 reduces the play angle to abut on a driven engagement portion 82d of a drum center 82 to accompany the driven engagement portion 82d. In this manner, rotation of a shift drum 80 can be accurately controlled by the shift motor 61, while the number of components of a variable speed drive mechanism 60 is reduced.
Bibliography:Application Number: EP20210959348