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针对丁七钢缆胶带出现的大马拉小车,电气设备不防爆等问题,通过对钢缆胶带原各组成部分的工况、性能进行详细的分析,决定安装防爆交流电机替换原有不防爆直流电机,把原减速器低速单出轴改为双出轴及加工并更换电机与减速器连接对轮,安装ZJT系列矿用隔爆兼本安型变频调速电控装置,逆止器及电机冷却水弱化系统,改造后丁七钢缆胶带运行状况良好。
Aiming at the problems of Da Mala trolley and electrical equipment not explosion-proof caused by DingQi cable tape, this paper analyzes the condition and performance of each component of the original steel cable tape, and decides to install the explosion-proof AC motor to replace the original non-explosion-proof DC Motor, the original reducer low single output shaft to double the shaft and processing and replacement of motor and reducer connected to the wheel, installation of ZJT series mine explosion-proof and intrinsically safe inverter speed electronic control device, the backstop and motor Cooling water weakened system, modified Ding seven cable tape running in good condition.