As we all know, underground mining is basically a harsh and complex mining environment in mine production. In addition to the characteristics of ruggedness and long service life, the models that can be used in the underground mining production environment need more flexible performance, convenient maintenance and higher production efficiency.

与其他装载机相机，井下装载机的装载容量显著提升，挖掘性能增强，坡道速度更快，前车架强度更高，并且配备“减少通风套件”以降低机器和矿场运营成本，其中包括佳的操作员性和舒适性、经过实地验证的动力传动系和紧凑的外形。

Compared with other loader cameras, the underground loader has significantly improved loading capacity, enhanced excavation performance, faster ramp speed, higher front frame strength, and is equipped with a "reduced ventilation kit" to reduce machine and mine operating costs, including good operator safety and comfort, field proven power train and compact shape.

目标：提高生产效率

Objective: improve production efficiency

井下矿用装载机是专为额定有用负载22t的装载—运输和卡车装载应用而设计。由于容量增大，此新型装载机可以为新型井下铰接式卡车提供严格的三趟次匹配能力。

Underground mine loaders are designed for loading transportation and truck loading applications with a rated useful load of 22T. Due to the increased capacity, the new loader can provide strict three times matching capacity for the new underground articulated truck.

加大的提升油缸经过重新定位能够提供更大的提升力，而加大的倾斜油缸则能够提供更具侵入性的挖掘特点，从而提高有用载荷容量。此外，重新设计的扭矩管（位于实心钢提升臂之间）和新型铲斗限位器（用于减少铲斗回拉时的应力）共同作用，可以提高前连杆的强度和耐用性。

The enlarged lift cylinder can provide greater lifting force after repositioning, while the enlarged tilt cylinder can provide more invasive excavation characteristics, so as to improve the useful load capacity. In addition, the redesigned torque tube (located between solid steel lifting arms) and the new bucket stopper (used to reduce the stress during bucket pullback) can improve the strength and durability of the front link.

井下矿用装载机传动系中的新型锁止式离合器变矩器可显著提高坡道上的驱动行驶速度。此速度的提高使上坡装载–运输应用的生产效率得以改善。

The new lock up clutch torque converter in the transmission system of underground mine loader can significantly improve the driving speed on the ramp. This increase in speed improves the productivity of uphill loading transport applications.

优点：减少通风套件

Advantages: reduced ventilation Kit

在很多井工矿，人们非常注意减少移动设备柴油机废气中的颗粒物（PM）排放。人们小心谨慎地调节井下环境中的PM水平，而保持矿井充分通风、控制井下空气质量的费用可能在矿场的运营成本中占很大比重。

In many mines, people pay great attention to reducing particulate matter (PM) emissions from diesel engine exhaust of mobile equipment. People carefully adjust the PM level in the underground environment, and the cost of maintaining sufficient ventilation and controlling underground air quality may account for a large proportion of the operation cost of the mine.

为这个问题，山汽集团采用特定的发动机硬件和软件修改以大限度地减少PM排放。井下矿用装载机对通风的要求降低了42%。除了限度地减少PM以外，还可以降低燃油消耗量并且提高双失速轮缘牵引力，从而提高机器性能。

In order to solve this problem, Shanqi group adopts specific engine hardware and software modifications to greatly reduce PM emissions. The ventilation requirements of underground mine loaders have been reduced by 42%. In addition to minimizing PM, it can also reduce fuel consumption and improve double stall rim traction, so as to improve machine performance.