南京工程机械厂引进瑞典阿特拉斯·科普柯(Atlas Copco)公司专有技术制造的NH178型全液压钻车(见封面),是该公司Boomer H175系列中的一种新产品。它与被取代的原H170系列不同点在于:配用了新研制的BUT35钻臂和Cop1238液压凿岩机。该钻车是在系列通用底盘上,通过特制的专用钻臂座架,装有三只BUT35大型伸缩钻臂,且左右两外侧钻臂的臂座可以升降,使钻 Nanjing Construction Machinery Plant introduced the NH178 hydraulic drilling rig manufactured by Atlas Copco’s proprietary technology (see cover) and is a new product in the company’s Boomer H175 series. It differs from the original H170 series in that it was replaced with a newly developed BUT35 drill arm and Cop1238 hydraulic rock drill. The drilling rig is on a series of universal chassis, through a special special drill arm mount, equipped with three BUT35 large telescopic drill arms, and the arm bases of the left and right outer drill arms can be raised and lowered to make the drill