桥式抓斗卸船机(以下简称装卸桥)是目前国内外大宗散货卸船的主要设备之一。由于它结构简单、坚固耐用、工作可靠,且抓斗通过挠性件——钢丝绳与小车相连,对船型改变、水位变化和浪涌摇摆等的适应性强,对不同种类物料的通用性好。尽管目前已有多种高效专用的散货卸船设备相继问世,然而随着装卸桥 Bridge grab ship unloader (hereinafter referred to as the loading and unloading bridge) is currently one of the major bulk cargo ship unloading at home and abroad. Because of its simple structure, durable, reliable work, and the grab through the flexible parts - wire rope connected with the car, the ship changes, changes in water level and surge rocking adaptability, good versatility for different types of materials. Although there are many efficient and dedicated bulk carrier ship unloader equipment come out in succession, however, with the loading and unloading bridge