Backhoe loader is a kind of mechanical equipment, mainly used for narrow space cave mining operations, such as phosphate mine, iron ore, copper mine, gold mine, silver mine, lead and zinc mine, coal mine tunnel and other various mines, hydropower, tunnel engineering gravel collection and transportation construction loading. This equipment is connected by a manipulator and a conveyor, and has the characteristics of combining the functions of slag removal and transportation loading. It adopts an electric full hydraulic control system and has the advantages of safety, environmental protection, low energy consumption and high efficiency. It is an indispensable advanced mining equipment for mining enterprises and an alternative product for manual and other machinery. The use environment conditions of mining backhoe loaders are diverse, and the product standards implemented include JB/T 5503-2004 "Claw Backhoe Loader" and Q/DK01-2009 "Backhoe Loader for Coal Mine". In addition, there are other brands of backhoe loaders on the market, such as the Komatsu WA380-6 loader, which has a digging force of 168000N, a deadweight of 16620KG, a displacement of 6.69L, and adopts a high-efficiency hydraulic system to greatly improve the transmission efficiency. Xintong Machinery also provides the ZWY series of optional crawler backhoe loaders, which are mainly used for slag removal and mine ore removal.