JD-4调度绞车为矿用隔爆型牵引设备,适配煤矿井下巷道物料调运、矿车移位、设备拖拽等作业场景,符合煤矿防爆安全标准,防爆标志Ex d I Mb,可在瓦斯、煤尘共存的爆炸性环境中稳定运行。整机由隔爆电机、行星齿轮传动机构、卷筒总成、制动装置、底座及操控组件构成,采用一体式底座集成结构,结构布局紧凑,便于井下狭小空间安装固定。设备额定静张力40kN,卷筒直径460mm、卷筒宽度600mm,标准容绳量650m,适配钢丝绳直径21.5mm。配套隔爆电机额定功率40kW,额定电压660V/1140V适配井下双路供电,电机额定转速1480r/min,设备平均绳速1.2m/s,总传动比38.5。整机外形尺寸1450mm×1180mm×860mm,设备整机重量820kg,适配井下常规巷道安装工况。
JD-4调度绞车采用多级行星齿轮传动结构,电机动力输入后,通过两级内齿轮传动副与行星轮系完成减速增扭传输,动力传递路径稳定,传动损耗数值可控。齿轮组件采用高强度合金钢材加工,经过调质耐磨处理,啮合精度均匀,运行过程传动平稳,可降低设备运行震动与异响。设备配备双制动结构,分为工作制动与安全制动两组装置,工作制动采用带式摩擦制动结构,依托摩擦片贴合实现匀速启停与速度调控;安全制动为常闭式制动结构,设备断电或停机时自动锁止卷筒,限制钢丝绳滑移。制动摩擦片采用耐磨材质,摩擦系数稳定,可适配频繁启停作业工况。整套传动与制动系统封闭式设计,可阻隔井下粉尘、煤泥水侵入,保护内部齿轮与制动组件,维持设备运行稳定性。
JD-4调度绞车工作环境温度区间为-10℃至40℃,环境相对湿度不大于95%,适配海拔2000m以下矿井作业环境,空气中各类有害气体含量需符合煤矿安全规程限定标准。设备支持连续性间歇作业,工作制适配S3间歇运行模式,可满足井下高频次短途牵引作业需求。卷筒运行同轴度误差控制在标准范围内,钢丝绳排布规整,可减少跳绳、乱绳现象,降低钢丝绳磨损速率。设备操控组件布局简洁,手动操控行程适中,操作流程简易,适配井下操作人员常态化作业。设备底座预留固定安装孔位,可通过地脚螺栓快速固定,拆装调试流程简便,适配不同巷道场地安装条件,广泛应用于煤矿井下采掘辅助运输、矿车调度、设备辅助牵引等常规作业场景。
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