The present invention relates to a boom withdrawal structure of an aerial ladder vehicle for elongating an entire length of a boom member to be the same with or longer than the length allowed by a winch means. The boom withdrawal structure of an aerial ladder vehicle comprises a cylinder member enabling a protrusion support boom to be inserted or withdrawn while the cylinder member is supported by a main support boom of the boom member.
본 발명은 붐대부재의 전체 길이를 윈치수단이 허용하는 길이 이상으로 신장시킬 수 있도록 하는 고가 사다리차의 붐 인출 구조에 관한 것으로, 붐대부재의 메인지지붐에 지지된 상태로 돌출지지붐을 인출 또는 인입시키는 실린더부재를 포함하는 것을 특징으로 한다.
Boom Withdrawal Structure of Aerial Ladder Truck
고가 사다리차의 붐 인출 구조
2020-11-18
Patent
Electronic Resource
Korean
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |