The invention relates to a strong push assisted reamer, comprising a drill pipe (1), multi blade reamer (2) and (3), and three bits are connected in sequence, which is characterized in that the reamer bit (2) and (3) is added between a strong push device (4). The invention has the advantages of simple structure, safe and reliable performance, convenient use, small caliber in the same conditions can be blade bigger, and solve the problems in the construction of soft and hard rock strata of larger radius of the hole.
【技术实现步骤摘要】
【技术保护点】
1.强推辅助式扩孔钻头,包括钻杆(1)、多翼扩孔器(2)和钻头(3),并且三者依次相接,其特征在于在扩孔器(2)与钻头(3)之间增加了强推装置(4)。
【技术特征摘要】
【专利技术属性】
技术研发人员:彭桂湘,方良才,李平,汪敏华,赵俊峰,陈功胜,程合玉,张士环,夏壮博,童碧,蔡如法,何善龙,余熠,徐坡,刘克林,张志罡,彭颖超,徐学杰,白领国,杜贵亭,阎冠欣,张耀亭,彭粤湘,曹伟,董鹏,
申请(专利权)人:平顶山五环实业有限公司,
类型:发明
国别省市:41
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