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据湖南资兴矿务局宝源煤矿1979年2期《科技动态》报导,该矿研制成功GY—A_1型回柱绞车感应遥控装置,实现给水泵无底阀自动控制,煤电钻遥控装置和电机综合保护装置等。这些技术革新成果在生产上均发挥了良好作用,现正在普及推广。GY—A_1型回柱绞车感应遥控装置于1978年研制成功。1979年上半年经煤炭
According to Hunan Zixing Mining Bureau Baoyuan Coal Mine in 1979 2 “Science and Technology News” reported that the mine successfully developed GY-A_1-type return winch induction remote control device to achieve automatic control of the bottomless valve to feed water pump, coal drill remote control device and Motor integrated protection devices. These technological innovations have played a good role in production and are now being popularized and popularized. GY-A_1 type column winch induction remote control device developed in 1978. In the first half of 1979 by the coal