QY系列调压调速控制器是专门为起重机的升降、平移机构的速度控制而研制的。第一代为模拟控制的QY1系列;第二代为数字控制的QY2系列:这里介绍的是第三代产品QY1/T、QY2/T系列。自1999年问世至今,已有3000多台QY系列控制器应用于鞍钢、首钢、太钢、马钢、唐钢、酒钢、武钢、济钢、韶钢、潍钢、广钢、安钢、湘钢、杭钢、新(余)钢、莱钢、天铁、承钢、沙钢、八钢等单位,并已出口东南亚地区。 QY series regulator speed controller is designed for crane movements, the translation of the speed control mechanism developed. The first generation of analog control QY1 series; the second generation of digital control QY2 series: Here is the third generation of products QY1 / T, QY2 / T series. Since its introduction in 1999, more than 3,000 QY series controllers have been used in Ansteel, Shougang, TISCO, Masteel, Tangshan Iron and Steel, Wuhan Iron and Steel, Jinan Iron and Steel, Shaogang, Wei Steel, Xiangtan Iron and Steel, Hangzhou Iron and Steel, the new (more) steel, Laiwu Steel, Tiantie, Cheng Steel, Shagang, eight steel units, and has been exported to Southeast Asia.