A rock drill roller profile connection rotational mechanism, including gear sleeve, shank and connecting sleeve, gear sleeve and a connecting sleeve by rotating wheel type surface connection, the connecting sleeve and the shank with roller profile connection or spline connection. The advantages of the invention are: independent rotary rail type drilling machine of the invention rotational mechanism overcomes the shortcomings of existing drilling machine rotational mechanism using spline connection exists, the roller profile should be used for rotational mechanism connecting surface for drilling machine provides a self centering capability, convenient assembly and disassembly, eliminate stress concentration simple, large transmission torque and rotating mechanism suitable for brazing heavy load section shape with, especially suitable for independent rotary drill guide.
【技术实现步骤摘要】
【技术保护点】
1.一种旋轮线型面连接的凿岩机转钎机构,包括齿轮套(1)、钎尾(2)和连接套(3),其特征在于,齿轮套(1)与连接套(3)采用旋轮线型面连接,连接套(3)与钎尾(2)采用旋轮线型面连接或花键连接。
【技术特征摘要】
【专利技术属性】
技术研发人员:罗佑新,李恒舒,文会军,周宇,
申请(专利权)人:湖南恒至凿岩科技有限公司,
类型:发明
国别省市:43
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