20世纪国内生产的桥式起重机,一般均设计为有驾驶员操作,随着德马格、科尼等众多合资名牌起重机的引入,地面操控起重机逐步在中国推广,并随着它特有的操作使用优势,逐渐被企业特别是合资企业所接受。近年来,某些企业出于各种原因将在用的驾操桥式起重机改造成地面操作,对于检验员来说提出 The 20th century domestic production of overhead cranes, are generally designed to have the driver operation, with the introduction of a large number of joint venture brand crane such as Demag, Konecranes, ground handling cranes gradually promoted in China, and with its unique operation Advantages, gradually accepted by enterprises, especially joint ventures. In recent years, for some reasons, some companies have converted the used overhead traveling crane into the ground operation, which is proposed by the inspectors