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发明名称
自锁平齿钻杆
摘要
一种自锁平齿钻杆,它属于建筑地基施工中施用的成孔钻机的配套钻杆技术,它主要包括外节减振装置,在其上通过支撑节连接法兰,在其下连接外节,在外节内套装中间节,在中间节内套装内节,内节下面连接内节减振托盘装置,在内节减振托盘装置下面连接方接头,其特征是在外节、中间节和内节的外壁上设有外齿条,在外节、中间节的内壁上设有内齿条,本实用新型具有操作简单,灵活方便,传递扭矩大,能传递压力,工效高等优点。
申请公布号
CN2383886Y
申请公布日期
2000.06.21
申请号
CN99221408.4
申请日期
1999.06.25
申请人
山东省寿光市第二建筑工程公司
发明人
王庆民;吴俊禧;徐中堂;王亦德;刘焕山
分类号
E02D5/34
主分类号
E02D5/34
代理机构
代理人
主权项
自锁平齿钻杆,它包括外节减振装置(1),在外节减振装置上面通过支撑节(10)连接法兰(9),在其下面连接外节(2),在外节内套装可上下活动的中间节(3),在中间节内套装可上下活动的内节(4),在内节下面连接有内节减振托盘装置(5),在内节减振托盘装置下面连接方接头(6),其特征在于在外节、中间节、内节的外壁上设有外齿条(7),在外节、中间节的内壁上设有内齿条(8)。
地址
262700山东省寿光市开发区徐中堂转
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