Overview
The JH-5 Mine Scraper Winch is a specialized mechanical device engineered for underground coal mining operations. It plays a critical role in repositioning hydraulic supports and other heavy equipment, ensuring smooth workflow continuity in confined spaces. Its design adheres to stringent mining safety standards, making it a staple in modern coal extraction processes. Developed to withstand harsh mining environments, the JH-5 combines rugged construction with functional efficiency. Its compact footprint allows deployment in low-ceiling tunnels, while its high-torque motor delivers consistent pulling force. Unlike general-purpose winches, it is optimized for the unique demands of mining applications.
Structure and Working Principle
The JH-5 comprises a steel frame housing a gear transmission system, drum, and electric or hydraulic motor. The drum winds a high-tensile steel cable, which connects to the load via hooks or clamps. Power is transmitted through a reduction gearbox to amplify torque while maintaining controlled speed. Operation begins when the motor engages the gear system, rotating the drum to wind or unwind the cable. A braking mechanism ensures immediate stoppage when needed. The winch’s sealed bearings and hardened gears minimize wear from coal dust and moisture, common in mining environments.
Key Features
Durability defines the JH-5, with its abrasion-resistant materials and sealed components protecting against coal dust ingress. Its modular design simplifies maintenance, allowing quick replacement of worn parts like brake pads or cables without disassembling the entire unit. The winch offers variable speed control, adapting to different load weights. Safety features include overload protection and emergency stop functions. Its noise levels are engineered to comply with underground workplace regulations, reducing operator fatigue.
Application Areas
Primarily deployed in longwall and room-and-pillar coal mining systems, the JH-5 handles tasks like shifting hydraulic roof supports during face advancement. It’s also used to reposition conveyor sections or extract stuck machinery. Beyond coal, similar models serve in potash or salt mines where equipment mobility is constrained. Its reliability in high-humidity, high-particulate environments makes it versatile for extractive industries globally.
Maintenance and Precautions
Routine maintenance includes weekly lubrication of gears and monthly inspection of cable integrity. Operators must check brake responsiveness before each shift and monitor motor temperature during prolonged use. Critical precautions involve never exceeding the rated load capacity (typically 50 kN for the JH-5) and ensuring proper cable alignment to prevent fraying. Dust covers should remain intact, and any exposed electrical components must be inspected for damage.
B2B Procurement Guide
When sourcing JH-5 winches, verify supplier certifications like MSHA (U.S.) or IECEx (international) for compliance. Request duty cycle specifications to match your operational intensity—continuous vs. intermittent use affects model selection. Bulk purchases (5+ units) often attract 10-15% discounts. Lead times vary; stock models ship in 2-4 weeks, while customized units (e.g., explosion-proof variants) may take 8-12 weeks. Prioritize suppliers offering onsite training or extended warranties.
Related Manufacturers
- 主营：天津华宁、淮南万泰、江苏三恒、回柱绞车、郑州煤机恒达、重庆梅安森、电光、华荣、扬中南方、八达、铸钢地滚、尼龙地滚、凿岩机、电动滚筒、风镐、柱鞋、滚轮罐耳、YT28、捣固镐、钢轨打磨机、锯轨机
- 主营：游动天轮、防水密闭门、耙矿绞车、矿用地滚、耙斗装岩机、扭矩倍增器、矿车、玻璃钢单体支柱、负压采样器
- 主营：DYTZ电液推杆、防爆电机、配水闸阀、马丽散矿用封孔料、防爆潜水泵、电力液压制动器、电力液压推动器、聚氨酯清扫器、二氧化碳吸收剂、单体液压支柱、电动配水闸阀、耙斗装岩机及配件、DT电动推杆、岩心切割机、氢氧化钙、霍加拉特、卡加拉特、改向滚筒、电动滚筒、电话、弯管机、防溢裙板、夹持器
- 主营：工程机械、工矿设备、化工原料、回柱绞车、JH回柱绞车、电器、轨道设备、通讯设备、路面机械、马丽散封孔剂、电动推杆、防溢裙板、防爆电机、展翔防溢裙板、pzi配水闸阀、DT电动推杆、JD调度绞车、电液推杆厂家直销、YBK3防爆电机、清扫器
- 主营：钢拱架、电缆线、搅拌器、矿用管、劈裂机、对焊机、测温门、钻井机、楔形丝、打磨机、研磨机、喷浆机、充电机、抹光机、止火阀、掘进机、抱索器、滚筒组、起重机、雨淋阀、实壁管、注浆泵、道夹板、防水炮、三用阀
- 主营：锚索切断器、扭矩放大器、圆环链液压剪、矿用锚杆索测力计、矿用管道挂钩、矿用电缆挂钩、矿用充填袋、顶板离层仪、煤矿井下用聚酯纤维增强塑料网、顶板动态仪、单体支柱测压仪、钻孔应力计、煤矿井下用聚丙烯双向拉伸防护网、实验室鄂式破碎机、锤式破碎机、皮带取样机、双辊破碎机、便携式煤炭取样器、实验室圆盘粉碎机、采煤机用电缆夹板、液压支架防冻液、风动链锯、水封式防爆器
- 主营：铁路设备、救援装备、防爆电器、矿用设备、路面机械、工程机械
- 主营：不锈钢储罐、陶瓷过滤机、冷凝水回收装置、回柱绞车、玻璃钢罐、冷凝器、离心机、压滤机
- 主营：炸药箱、雷管箱、避炮棚、BQS矿用隔爆型潜水排沙电泵、FQW矿用风动潜水泵、潜水泵、爆破母线、BQG隔膜泵、炸药库、雷管作业箱、井下有轨炸药运输车、民爆物品防爆箱、火工品存放柜、固定式矿车、侧卸式矿车、雷管箱炸药车、爆炸危险品保险箱、民爆箱、防爆潜水渣浆泵、抗爆容器、电子雷管储存罐、放炮线、可移动式安全防护棚、爆破掩体、人工降雨弹储存保险柜
- 主营：铁路设备、救援设备、防爆电器、矿用设备、仪器仪表、路面机械、工程机械、智能制造
- 主营：挖掘机、链轮组件、飞臂吊、矿用三轮车、拆缸机、锯齿环、伸缩臂、皮带硫化机、聚能管、临时支护装置、搬运悬浮气垫、搬运坦克车、喷射器、船用风机、钻头、速凝剂、钻杆、电液推杆、洗靴机、手拉葫芦、除铁器、管道排渣器、消毒门、静电释放器、定向钻机
- 主营：传感器、电磁阀、保护器、地磅、电动脚手架、装载机电子秤、机械抓手、砌筑升降平台、光伏板升降机、内撑吊具、混凝土振动棒、打标机、研磨机、裁切机、平移门电机、超市防盗门、磨片磨头、滑移机、消防机器人、农业打药机、履带底盘、消防器材
- 主营：单体液压支柱、调度绞车、玻璃钢支柱、回柱绞车、皮带探伤仪、防爆饮水机、无压风门、扒渣机、耙斗装岩机、锚杆调直机、皮带硫化机、振动放矿机、气动清淤排污泵、慢速绞车、自动隔爆装置、栏木机、侧卸式矿车、运输绞车、双速绞车、逆止器、断带抓捕器、洗靴机、支架灯、气动绞车
- 主营：回柱绞车、矿山机械
- 主营：矿山机械、铁路设备、救援设备、回柱绞车、防爆电器、路面机械、工程机械
- 主营：铁路设备、救援设备、防爆电器、矿用设备、仪器仪表、路面机械、工程机械
- 主营：喷射器、高压软管、聚能管、矿用风门、矿用密闭门、船用风机、速凝剂、气浮搬运车、螺旋千斤顶、手拉葫芦、牵引绞索、道口栏木机、树篦子、临时支护、叉车吊、皮带硫化机、链轮组件、电动卷扬机、翻车机、拆缸机、洗靴机、电动搬运坦克车、矿车轮对、搬运气垫、裤管风机
- 主营：挖藕机、划线机、劈石机、修剪机、除雪机、铁水包、铜水包、凿岩机、呼吸器、地钻、水带、灭火器、播种机、U型钢支架、高倍数泡沫机、钢筋机械、园林机械、轨道机械、搅拌机、开槽机、矿车、调度绞车、耙斗装岩机
- 主营：油缸拆缸机、矿灯充电柜、机载临时支护装置、矿用平板车、矿用卡绳器、皮带纠偏装置、岩心切割机、自动隔爆装置、液压起道机、钢轨锯轨机、钢轨打磨机、铁路捣固镐、缓冲条、防溢裙板、气相色谱仪、氢气发生器、燃气分析仪、钻孔应力计、顶板离层仪、电缆挂钩、铁路道岔、托辊、扭矩放大器、固定式矿车