KG920BII/KG920BHM型露天潜孔钻车是应国家对环保要求而进行升级的一款设备。配备有玉巢动力非道路四红国三发动机，满足国家对排放和环保的要求。采用柱塞行走马达，提高工作压力，增加其爬坡性能。增大俯仰和举臂油缸，满足其极限位置使用要求。同时对液压系统升级，增大其系统流量，提高回转转速。对提升油缸进行优化，提高其可靠性。导轨采用倾斜安装，方便操作和观察。罩壳采用加厚型材，增加起吊吊环，方便装卸吊装。
The KG920Bl1/KG920BHll down the hole dril rig for open use is an improved device in compliance with national requlations on environmental protection. Equipped with the Yuchai engine (China l). the drll rig meets national standards for emissions and environment, Theramming motor of plunger piston and four-wheel drive improve the working pressure and climbing capacity, The exoanded pitch anitng-arm hydraulic cylinder enable it to meet the requirements of imiting position use. Meanwhile, the hydraulc system is improvedthereby proving increased system flow and rotary speed,The hydraulic cylinder has been optmized, thus making it more reliable Theguide railis installed in an ncined way, making operations and observations easier. The thickened profile is used for the housing; and theadditional ring makes handling and lifting convenient.
KG920BHIII型露天潜孔钻车增加集尘器，工作时更环保、可靠
The KG920BHll down the hole drill rig for open use is equipped with a dust collector, thus making operation more environment-friendly
and reliable.
