The main components of the hand-cranked winch

· Frame and reel: the frame that supports the entire structure and the drum used to wrap the wire rope. * Transmission gear set: the core component to achieve labor-saving effect, usually composed of one or more sets of gears. · Hand crank: the input interface of manpower, which drives the gear by turning it. *Brake system (ratchet pawl): A key safety device to ensure that the load hovers reliably in the air. * Wire rope/webbing: flexible parts directly connected to the load.