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专利申请号 :95 2 34 797 授权公告号 :2 2 92 15 8钻机大绳穿抽器 本实用新型用于石油、地质勘探各种钻机穿抽大绳作业专用配套机具。其特征 :用电力作动力 ,塔型井架用双滚筒绞车 ,把大绳头牵引至钻台 ,把下组滑轮引绳从反向穿好 ,只需倒换快速接绳套即可 ;Ａ型井架一个
Patent application number: 95234797 Authorization notice number: 2 2 92 15 8 Rig through rope rigging The utility model is used for drilling rigs and rope supporting machines for oil and geological exploration. The utility model is characterized in that the power is used as a power and the derrick of a tower type is driven by a double-drum winch and the big rope head is towed to the drill floor; the lower group of pulley lead ropes are put through from the reverse direction, One