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1 引言SZKL600B步履式长螺旋钻孔机是我公司1999年度的最新产品,塔高28m,最大钻孔直径600mm,孔深23m,可以360°回转,机械式起塔;利用4个支腿缸、纵移缸及行走小车进行步履行走,方便施工。为使结构紧凑和操作维修方便,采用2联三位四通滑阀来进行控制,实现主机的动作要求。为了
1 Introduction SZKL600B walking long screw drilling machine is my company’s latest product in 1999, the tower height of 28m, the maximum drilling diameter of 600mm, hole depth 23m, 360 ° rotation, mechanical tower; the use of four leg cylinder, Vertical shift cylinder and walking car walking walking, easy construction. In order to make the structure compact and easy to operate and maintain, the 2-way 3-position 4-way spool valve is used for control to achieve the host’s movement requirements. in order to