In this article, it described the main structure and constitute of 3 kinds of commonly used feeding device of JCOE/UOE LSAW pipe production line, including the combined converyor of roller and chain, chain conveyor and vacuum suction cups hanging conveyer, and compared the main structure and constitute with several aspects, such as equipment structure and operation, operation and maintenance workload, equipment investment, installed capacity, production running cost, plate scratch, etc. The results indicated that vacuum suction cups hanging conveyer device is with some advantages, such as simple structure, easy operation, low workload for operation and maintenance, small investment, small installed capacity, low production running cost, and production rhythm can completely meet the design requirements, which is the best optimization program for LASW pipe production line steel plate feeding device.%对JCOE/UOE直缝埋弧焊管生产线上通常采用的三种上料装置, 即平辊和链条组合输送装置、 链条输送装置以及真空吸盘吊输送装置的主要结构和组成进行了描述, 并从设备结构与操作、运行与维护工作量、 设备投资、 装机容量、 生产运行成本、 钢板划伤等主要方面进行了对比. 结果表明, 采用真空吸盘吊输送装置具有设备结构简单、 操作方便、 运行与维护的工作量相对较低、 资金投入相对较少、 装机容量小、 生产运行成本低、 生产节奏完全能满足设计要求等优点, 是直缝埋弧焊管生产线钢板上料的最佳优选方案.
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