Hydraulic system of inboard elevator

The invention provides a hydraulic system of an inboard elevator. The hydraulic system is used for controlling the inboard elevator and comprises a hydraulic system; the inboard elevator comprises a platform assembly, a lifting driving mechanism for driving the platform assembly to lift, a lock pin for locking the platform assembly and a turning plate arranged in a gap between a hatch on a deck of a ship body and the ship body, wherein the turning plate is used for filling the gap between the hatch and the deck. The hydraulic system is safe and stable, and has an anti-falling function. 本发明提供一种舷内升降机的液压系统，用于控制舷内升降机，包括液压系统，舷内升降机包括平台组件、用于驱动平台组件升降的升降驱动机构、用于锁定平台组件的锁销和设置在船体甲板上的舱口和船体之间缝隙的翻板，翻板用于填补舱口与甲板之间的缝隙；本发明具有舷内升降机安全稳定、具有防坠落功能的功能。