KG690/KG69OH型露天潜孔钻车液压系统采用变量系统，其主阀和主泵采用名厂产品，保证质量，同时具有节能、省油的优势，操纵手栖采用先导比例手柄，具有操作灵敏，省力等优点，导轨采用高强度、大断面铝合金型材，推进链条采用加大单排滚子链，同时滑板压条采用耐磨材料，保证产品使用寿命，推进和回转采用两档速度，保证钻车可钻凿不同岩层具有高效的凿岩速度，推进马达采用高压力柱寒马达，提高提升力和可靠性。
The KC690/KG690H down the hole dril rig for open use hydraulic system adopts variable system, its main valve and main pump adopttamous products, to ensure quality, and has the advantage of energy saving and oil saving;The control handle adopts plot proportionhand e. which has the advantades ol sensiive operation and abor-saving. The ouide rai adopis high.srenoth and laroe seclion aluminutalloy profles, and the push chain adopts increased single-row roler chain.At the same time, the slide plate layering adopts wear-resistantmaterials to ensure the service ife of products. Propulsion and rotation adopt two speed, to ensure that the drill car can drll diferent rockstrata with eficient driling speed, Propulsion motor adopts high pressure piston motor to improve lifting force and reliability.
KG690H型露天潜孔钻车增加集尘器，工作时更环保，可靠。The KG690H down the hole drll rig for open use is equipped wth a dust colector, thus making operation more environment-friendly andreliable.
