Overview
The underground mining rake loader is a purpose-built machine for efficient material handling in confined mining environments. Developed to address the challenges of underground debris removal, this equipment combines the functions of raking, gathering, and loading in a single unit. Unlike traditional loaders, the rake loader features specialized tines or blades that penetrate and gather loose material effectively. Its compact dimensions allow operation in low-ceiling tunnels and narrow drifts where conventional equipment cannot maneuver.
Structure and Working Principle
The machine consists of three main subsystems: the rake assembly, hydraulic system, and chassis. The rake assembly includes multiple tines mounted on a moving frame that performs the gathering motion. Hydraulic cylinders control both the vertical and horizontal movements of the rake. During operation, the rake is lowered to penetrate the material pile. As it retracts, the tines gather debris toward the loading area. The gathered material is then transferred to a conveyor or directly loaded onto transport vehicles. The entire process is controlled from an operator cabin with joystick controls for precision movements.
Key Features
Modern rake loaders incorporate several advanced features for improved performance. The hydraulic system typically operates at pressures of 16-25 MPa, providing sufficient force for dense material handling. Many models feature adjustable rake angles (45-75 degrees) to accommodate different material types. Safety features include emergency stop systems, overload protection, and reinforced operator cabins. Some high-end models incorporate automated functions like preset rake patterns and load sensing technology to optimize operation cycles and reduce operator fatigue.
Application Areas
Primary applications include coal mine roadways, metal ore drifts, and tunnel construction projects. In coal mining, they're particularly effective for removing fragmented coal and rock from continuous miner working faces. Beyond traditional mining, these machines see use in underground civil engineering projects like subway construction and hydropower station tunnels. Their ability to work in spaces as narrow as 3 meters wide makes them indispensable for many confined-space operations where conventional loaders cannot operate effectively.
Maintenance and Precautions
Regular maintenance is crucial for optimal performance and longevity. Daily checks should include hydraulic fluid levels, hose conditions, and rake tine wear. The hydraulic system requires particular attention, with filter changes recommended every 500 operating hours. Operators should be trained to recognize signs of abnormal operation, such as unusual hydraulic noises or reduced rake penetration force. When working in explosive atmospheres (like coal mines), only equipment with proper explosion-proof certifications should be used, and all electrical components must meet relevant safety standards.
B2B Procurement Guide
When procuring underground rake loaders, consider both technical specifications and supplier credentials. Key technical factors include working width (should match tunnel dimensions), loading capacity (align with production requirements), and power source (electric for ventilated areas, diesel for remote locations). Evaluate suppliers based on their mining equipment experience, after-sales service network, and availability of spare parts. For large orders, consider requesting a demonstration unit or visiting existing installations. Payment terms for such equipment typically involve 30-50% deposit with balance upon delivery, plus a 5-10% retention for warranty periods (commonly 12 months).
Related Manufacturers
- 主营：固定式矿车、小挖机、刮板机、割草机、工程机械配件、捣固机、破切机、绞车、矿用三轮车、电机车、单体液压支柱
- 主营：扒渣机、铣挖机、蓄电池电机车、井下电机车、挖掘机清渣属具、隧道仰拱钢刷、仰拱钢刷、顶管扒渣机、履带扒渣机、轮式扒渣机、刮板扒渣机、大坡度扒渣机、矿用扒渣机、耙渣机、皮带扒渣机、挖机清扫钢刷、矿用电机车、防爆扒渣机、架线电机车、三排新款钢刷、小型扒渣机、隧道清扫设备、横向铣挖机、纵向铣挖机、挖机配套铣挖机头
- 主营：扒渣机、蓄电池电机车、矿用电机车、履带扒渣机
- 主营：矿用无压风门、矿用防火栅栏门、矿用防水密闭门、矿用避难硐室门、矿车轮对、皮带清扫器、皮带钉扣机、皮带硫化机、皮带纠偏装置、气动葫芦、皮带缓冲床、空气炮、矿用洗靴机、地滚、气动凿岩机、气动锚杆钻机、往复式给煤机、玻璃钢单体液压支柱、压风供水自救装置、气动风镐、矿车、喷浆机、注浆机、搅拌桶、气动带锯
- 主营：炸药箱、卸料站、卡簧盖、电机车、扒渣机、连接销、花架车、复轨机、电瓶车、防脱座、三环链、挡车器、万能链、外挡盖、轴架箱、围栏车、空心轮、卸载臂、卸载台、卸载轮、火车轮、卸料车、巷道车、实心轮、存放箱
- 主营：[]
- 主营：电机车、耙岩机、刮板扒渣机、井下链条挖掘装载机、扒渣机、扒喳机、矿用电机车、耙矿机、履带扒渣机、矿用电瓶车、防爆电机车、矿用扒渣机、工程车、轮式扒渣机、矿用出渣车、装岩机、架线机车、电机车厂家、柴油机车、矿用三轮车、耙斗机、矿山、锂电池机车
- 主营：电机车、多路阀、扒渣机、皮带井下、三轮车、电瓶车、扒矿机、轨道电车、柴油机车、矿用防爆、皮带煤矿、隧道物质、蓄电池架线、电动装载机、坑道清渣机、矿用除渣机、柴油发电机、电瓶牵引车、电动耙渣机、矿用电机车、矿用扒渣机、液压铣挖机、电动装岩机、耙斗装岩机、仰拱钢刷
- 主营：扒渣机、电机车、工程三轮车、井下装渣机、矿车
- 主营：扒渣机、人员输送设备、矿用侧卸式矿车、矿用挖掘式装载机、井下铲运机、矿用电机车、翻斗式矿车、矿用电动自卸车、矿用装岩机、矿用蓄电池电机车、矿用耙斗装岩机、矿用巷道修复机、架线式电机车、侧卸式装岩机、矿用柴油自卸车、履带刮板扒渣机、轮式皮带扒渣机、柴油机车、矿用电机车配件、无轨人车、螺旋扒渣机、矿用防爆充电机、整流柜
- 主营：50型扒渣机、80型扒渣机、矿用轮式皮带扒渣机、履带式扒渣机、矿用轮式刮板扒渣机、矿用电机车、矿用电瓶车、轨道小火车、1.5吨小电瓶车、2.5吨电机车、斩波调速电机车、电阻调速电机车、矿用柴油机车、矿用3吨柴油机车、5吨柴油机车、矿用翻斗式矿车、翻斗式矿车、矿用固定式矿车、矿用侧卸式矿车、矿用装载机、0.75m³矿车、矿用自卸车、矿用翻斗自卸车
- 主营：矿用电机车、扒渣机、矿车、井下挖研机、架线电机车、矿用柴油自卸车、装载机、铲运机、电动装岩机、蓄电池电机车、侧卸矿车、翻斗式矿车、螺旋扒渣机、矿山轨道运输设备、耙矿绞车、耙斗装岩机、整流柜、矿用防爆充电机、防爆电机车、矿用电机车配件、履带刮板扒渣机、轮式皮带扒渣机、侧卸装岩机、柴油机车、矿用巷道修复机
- 主营：扒渣机、蓄电池电机车、铣挖机、挖掘式装载机、井下电机车、挖掘机铣挖属具、隧道仰拱钢刷、矿用电机车、矿用架线电机车、大坡度扒渣机、轮式扒渣机、刮板扒渣机、履带扒渣机、隧道扒渣机、小型扒渣机、矿用工程三轮车、仰拱钢刷、挖机清扫钢刷、仰拱清渣刷头、三排仰拱钢刷、横向铣挖机、纵向铣挖机、液压铣挖机、挖机铣挖头、耙渣机
- 主营：扒渣机、矿用电机车、矿用装岩机、井下铲运机、井下轨道运输设备、侧卸式矿车、矿用电动自卸车、翻斗式矿车、耙斗装岩机、矿用装载机、蓄电池电机车、架线式电机车、柴油机车、履带刮板扒渣机、轮式皮带扒渣机、侧卸式装岩机、矿用巷道修复机、螺旋扒渣机、整流柜、矿用防爆充电机、矿用电机车配件、柴油自卸车、耙矿绞车、防爆电机车
- 主营：搬运气垫、高压软管、卷扬机、矿山井下清理、螺旋千斤顶、高压清洗机、雾化消毒门、栏木机、洗靴机、速凝剂、密闭气囊、射流器、叉车吊臂、矿用门、变压器、破拆工具、手拉葫芦、翻车机、链轮组件、推车机、搬运坦克、酸碱喷射器、蒸汽喷射器、气固喷射器、张拉机具、临时支护
- 主营：矿用扒渣机、矿用蓄电池电机车、矿用架线式电机车、煤矿用液压挖掘机、矿用矿车、电动装岩机、耙斗装岩机、矿用翻斗自卸车、扒渣机配件、50型扒渣机、80型扒渣机、矿用轮式皮带扒渣机、履带扒渣机、轮式刮板扒渣机、矿用柴油机车、翻斗式矿车、0.75m³翻斗矿车、矿用1.1m³矿斗车、矿用装载机、矿用整流柜、矿用充电机、矿用电源装置、测卸式装岩机、螺旋扒渣机