一种新型有阀式中心排气中低气压潜孔冲击器的设计  

Design of an Innovative Low-Medium Pressure DTH Hammer with Valve and Central Vent

作　　者：余永高 YU Yong-gao(Zhejiang Kaishan Drilling Tools Co.,Ltd.,Kaishan Group,Quzhou324002,Zhejiang)

机构地区：[1]开山集团浙江开山钎具有限公司,浙江衢州324002

出　　处：《凿岩机械气动工具》2023年第2期1-3,54,共4页Rock Drilling Machinery & Pneumatic Tools

摘　　要：原有的中低气压潜孔冲击器存在某些零件加工困难、冲击器拆装维修麻烦、工作可靠性差的问题。改进后此种冲击器的零件数减少,较大地降低了两种零件的制造难度,冲击器的耗气量减小,工作可靠性大为增强。There are some problems with current low-medium press DTH hammers.For example,some of parts are hard to manufacture,the dismantlement,installation and repair of DTH hammer are daunting jobs,and their operation reliability is poor.The improved DTH hammers boast fewer parts,reduced manufacturing difficulty of 2 types of parts,less air consumption and much more enhanced operation reliability.

关 键 词：潜孔冲击器 有阀式 结构改进 

分 类 号：TD421.25[矿业工程—矿山机电]