起重设备主要有天吊、坦克吊、塔吊、汽吊和龙门吊等。现将各种类型吊车的安全与其有关的驾驶、物件捆缚、指挥与信号、安全装置、维修保养等分别介绍如下。一、天吊天吊种类较多,用途广,是十分重要的搬运工具。按桥梁结构分,天吊有箱型、板梁型、桁架型。天吊由大车、主梁、横车、卷扬机、钢绳、吊钩、减速机、电动机、配电室、操作室等组成。 Lifting equipment are Tianzui, tank cranes, tower cranes, steam cranes and gantry cranes. Now various types of crane safety and its related driving, object binding, command and signal, safety devices, maintenance, etc. are as follows, respectively. First, the sky hanging more types of hanging, wide use, it is very important handling tools. Divided by the bridge structure, hanging a box, beam, truss type. Crane by the trolley, the main beam, horizontal car, winch, steel rope, hook, reducer, motor, power distribution room, operating room and other components.