公开(公告)号：US20070000694A1

公开(公告)日：2007-01-04

申请号：US10548584

申请日：2004-03-15

申请人： Michael Davies ,  David Gee ,  James Creswell ,  Stephen Jones

发明人： Michael Davies ,  David Gee ,  James Creswell ,  Stephen Jones

IPC分类号： E21B10/36

CPC分类号： B25D17/24 ,  B25D17/265 ,  B25D2216/0023 ,  B25D2222/72

摘要： The invention relates to a pneumatic rockdrill (99) comprising: a housing, including an air supply inlet for receiving compressed air, and a cylinder (50), connected to the air supply inlet by a set of air passages; an impact piston (14), at least part of which is reciprocable within the cylinder (50); and air-flow control means for controlling the supply of compressed air from the air supply inlet to the cylinder (50); the rockdrill (99) including at least one pair of corresponding contact surfaces at which relatively-moving parts contact one another; and the rockdrill being characterized by including at least one water supply inlet and water paths connected to the water supply inlet(s) and configured so as in operation to convey water to a drilling tool so as to flush a hole being drilled and to supply water to wet the aforesaid contact surfaces.

摘要翻译： 本发明涉及一种气动钻石（99），包括：壳体，包括用于接收压缩空气的空气供应入口，以及通过一组空气通道连接到空气供应入口的气缸（50）; 冲击活塞（14），其至少一部分可在气缸（50）内往复运动; 以及气流控制装置，用于控制从空气供应入口到气缸（50）的压缩空气的供应; 所述岩石钻（99）包括至少一对相应的接触表面，相对移动的部分彼此接触; 并且所述岩屑的特征在于包括至少一个供水入口和连接到所述供水入口的水路径，并且被构造成在操作中将水输送到钻孔工具，以便冲洗所钻孔并供水 以润湿上述接触表面。