G23
起重機二
Crane

此為一簡易的起重機機構,利用齒輪組達到省力的效果,並使用絞盤來收納鍊子,煞車部份採用皮帶配合摩擦輪。


It's a simple crane mechanism, and it uses gear train to achieve the propose to save labor. It uses a capstan to collect the chain, and the break is composed from a belt and a friction wheel.