一般货船上装的船舶起重机、用来吊重件或集装箱时,往往一台设备的起重量不够用,需要两台设备联合操作。 西德西门子(Siemens)电气公司为此专门设计了一套带有微型计算机的联合操作设备,装在驾驶台上,解决两台机联合起吊的同步问题。工作时,由主起重机驾驶室进行控制。这时一台起重机是主动机,另一台起重机则是从 General cargo ships loaded on board cranes, used to lift parts or containers, often one of the lifting capacity of the equipment is not enough, the need for joint operation of two devices. To this end, Siemens Electric Company specially designed a joint operating device with a microcomputer, which is mounted on the bridge and solves the problem of synchronization of the two machines. Work, controlled by the main crane cab. At this time a crane is the prime mover, the other crane is from