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    • 10. 发明申请
    • PRODUCTION LINE OF LARGE DIAMETER LONGITUDINAL WELDED PIPE
    • 大直径长期焊接管生产线
    • US20130239642A1
    • 2013-09-19
    • US13989228
    • 2011-03-23
    • Li MaGuohong GaoZhaokui Lang
    • Li MaGuohong GaoZhaokui Lang
    • B21D21/00
    • B21D21/00B21C37/08
    • A production line of large diameter longitudinal welded pipe comprises a material storage table (1), a charging trolley (2), an uncoiler (3), a leveler (4), a shearing and butt welding machine (5), a movable sleeve (6), an edge milling machine (7), a steel plate flaw detector (8), a lifting table (9), a steel pipe forming machine (10), a welding device (11), a pulling device (12), a heat treatment device (13), a cooling device (14), a rigid rolling machine (15), a cut-to-length cutting machine (16) and a discharging rack (17). The production line in the present invention has the advantages including high production efficiency, stable product quality, low manufacturing cost, as well as reliable and convenient operation.
    • 大直径纵向焊接管的生产线包括材料储存台(1),充电手推车(2),开卷机(3),整平机(4),剪切和对接焊机(5),可动套筒 (6),边缘铣床(7),钢板缺陷检测器(8),升降台(9),钢管成型机(10),焊接装置(11),牵引装置(12) ,热处理装置(13),冷却装置(14),刚性轧制机(15),切割长度切割机(16)和排放架(17)。 本发明的生产线具有生产效率高,产品质量稳定,制造成本低,运行可靠方便等优点。