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门座式起重机是港口装卸作业的重要设备,担负着重要的件杂货和散货等装卸任务,由于门机本身具有良好的性能,所以港口使用较为广泛。我港在门机的管理和使用维修中,摸索出几种节能降耗的方法,为企业节约了资金,增加了经济效益。 1.在装卸件杂货时,门机采用单绳作业 目前,港口配备的10t、16t门机比较多,作业范围较大,对大型船舶适应性能好。但对装卸货种杂、票数多、批量小、重量大小不一、每吊货组重量只有1.2～3.0t或2.5～5.0t左右的件杂货时,属“大马拉小车”,特别是在装卸大型船舶,件杂货泊位没有设置起重量5t左右的门机或船机的情况下,只能用10t或16t门
Portal cranes are important equipment for port loading and unloading operations. They are responsible for the loading and unloading tasks such as groceries and bulk cargoes. Due to their good performance, the port cranes are widely used. I Hong Kong in the door machine management and use and maintenance, to explore several ways to save energy and reduce costs for businesses to save money and increase economic efficiency. 1. In the loading and unloading groceries, the door machine with a single rope operation At present, the port is equipped with 10t, 16t door machine more, a wider range of operations, to adapt to the performance of large vessels. However, for the loading and unloading of cargo miscellaneous, the number of votes, small quantities, the weight of different sizes, each hanging cargo weight of only 1.2 ~ 3.0t or 2.5 ~ 5.0t or so pieces of groceries, the “big car”, especially in Loading and unloading large ships, groceries berths do not set the weight of about 5t door machine or ship case, only 10t or 16t door