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发明名称
无阀内回转式气动凿岩机
摘要
一种无阀内转式气动凿岩机,涉及气动机构,它是由机壳、活塞、转动套、机头、钎套及卡钳机构组成,其特征在于活塞上分别有前后两道气槽,通过活塞体内单向孔分别与气缸后、前腔连通,气缸相应位置有进、出气孔,气缸盖顶部有回转爪棘轮机构,棘轮上的螺旋棒与活塞的螺旋母形齿相啮合。活塞体在气流作用下同时起着气流变向控制作用,也完成前后与旋转复合运动,因而结构简单紧凑,加工工艺性能好。
申请公布号
CN2406052Y
申请公布日期
2000.11.15
申请号
CN99254999.X
申请日期
1999.12.16
申请人
翁金瑞
发明人
翁金瑞
分类号
E21B1/30
主分类号
E21B1/30
代理机构
代理人
主权项
1、一种无阀回转式气动凿岩机,包括机壳、活塞、转动套、机头、卡钳机构,其特征在于活塞装在气缸中,活塞前端为长花键轴,活塞外圆柱上分别有前后两道气槽,槽中各有短孔与活塞体内轴向单向孔相通,使前气槽与气缸后腔连通,后气槽与气缸前腔连通,活塞后端部中央固定装有螺旋母,气缸的侧面相应位置有进气孔和出气孔,进气孔与机壳的进气道连通,气缸后腔顶部有气缸盖,气缸盖上装有回转爪棘轮机构,有一螺旋棒套在棘轮孔中央,螺旋棒上装有回转爪,螺旋棒的螺旋形齿与活塞后端部螺旋母的螺旋形齿相啮合并伸入其中。
地址
351142福建省莆田县渠桥乡红山4号莆田渠桥一中
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