The invention discloses a prestressed steel strand core tube capable of crushing rock slag, which is composed of steel strand catcher assembly, core outer tube assembly and core inner tube assembly. The core inner tube assembly includes double end track change thread core inner tube, track change thread inner tube joint, track change thread circlip seat, the spear head is connected with the recovery tube, the recovery tube is internally loaded with a spring claw, and one end of the recovery tube is connected with a spring One end of the clamp frame is provided with an adjusting thread to connect the inner pipe joint of the track changing thread, one end of the inner pipe joint of the track changing thread is connected with the inner pipe of the dual end track changing thread core, and the other end of the inner pipe joint of the dual end track changing thread core is connected with the clamp spring seat of the track changing thread. By turning the drill pipe once in 1 \u2011 2 minutes, the rock slag can be crushed to clean up the accumulated rock powder, greatly reducing the labor intensity of the operator and the wear of the machine, and increasing the economic benefits of the workers and the mine.
【技术实现步骤摘要】
一种能碾碎岩渣的预应力钢绞线岩芯管
本专利技术涉及在改变预应力钢绞线在多角度钻探取芯过程中,能碾碎岩渣的预应力钢绞线岩芯管。
技术介绍
在水平钻探取芯过程中,需要用水给钻头冷却来冲出岩粉,因钻孔深会下斜导致孔底存水,每次重复取岩芯时,拔断岩芯后,用预应力钢绞线打捞器提出岩芯内管时,岩芯内管和钻杆环状间隙小会产生负压,倒吸一些岩渣、岩粉,随着压力减弱,岩渣岩粉会沉落到钻杆内部,等再次用预应力钢绞线送入空的岩芯内管时,岩渣、岩粉会阻碍岩芯内管到达孔底,如果旋转钻杆,岩芯内管总成不转,帮助岩芯内管碾碎岩渣清理堆积的岩粉,就能解决岩芯内管送不到孔底的问题。因常规的岩芯管总成和岩芯内管之间有轴承,岩芯内管被岩渣和钻杆卡住,会同钻杆一起旋转,不能将岩渣碾碎,岩芯内管就送不到孔底,这样就得人工拔出全部钻杆,清理卡住的岩渣岩粉后,再把全部钻杆送入孔内继续钻进,如300米钻杆提出来送进去,就得浪费2-3个小时。
技术实现思路
本专利技术解决的技术问题是:用预应力钢绞线打捞器送入岩芯内管时,会遇到岩渣岩粉的阻碍,导致岩芯内管送不到孔底的问题,岩芯内管和钻杆的环状间隙只有2mm-3mm,预应力钢绞线虽然韧性、强度很高,可以将岩芯内管送到300米深处,越到孔底岩渣岩粉越多,会卡住岩芯内管,如果钻探任务是400米以上的孔时,就会产生送进速度慢,岩渣卡住岩芯内管送不进去。如果通过旋转钻杆来解决碾碎岩渣、清理堆积的岩粉,常规的岩芯管总成和岩芯内管是可以分开旋转的,解决不了岩渣、岩粉卡住岩芯内管前进的问题,本专利技术公开一种能碾碎岩渣的预应力钢绞线岩芯 ...
【技术保护点】
1.一种能碾碎岩渣的预应力钢绞线岩芯管,由钢绞线打捞器组合、岩芯外管装配、岩芯内管总成组成,其特征在于:所述岩芯内管总成包括双端变轨螺纹岩芯内管(16)、变轨螺纹内管接头(14)、变轨螺纹卡簧座(19),所述双端变轨螺纹岩芯内管、变轨螺纹内管接头、变轨螺纹卡簧座上的变轨螺纹是在岩芯内管和卡簧座上,交叉加工出方形螺纹正扣和方形螺纹反扣,螺纹底比螺纹顶宽的螺纹,捞矛头(6)连接回收管(9),回收管(9)内部装入弹卡爪(11),回收管(9)一端连接弹卡架(12),弹卡架(12)一端有调节螺纹(22)连接变轨螺纹内管接头,用锁紧螺栓(13)锁紧固定,变轨螺纹内管接头(14)一端连接双端变轨螺纹岩芯内管(16),双端变轨螺纹岩芯内管(16)一端再连接变轨螺纹卡簧座(19)。/n
【技术特征摘要】
1.一种能碾碎岩渣的预应力钢绞线岩芯管,由钢绞线打捞器组合、岩芯外管装配、岩芯内管总成组成,其特征在于:所述岩芯内管总成包括双端变轨螺纹岩芯内管(16)、变轨螺纹内管接头(14)、变轨螺纹卡簧座(19),所述双端变轨螺纹岩芯内管、变轨螺纹内管接头、变轨螺纹卡簧座上的变轨螺纹是在岩芯内管和卡簧座上,交叉加工出方形螺纹正扣和方形螺纹反扣,螺纹底比螺纹顶宽的螺纹,捞矛头(6)连接回收管(9),回收管(9)内部装入弹卡爪(11),回收管(9)一端连接弹卡架(12),弹卡架(12)一端有调节螺纹(22)连接变轨螺纹内管接头,用锁紧螺栓(13)锁紧固定,变轨螺纹内管接头(14)一端连接双端变轨螺纹岩芯内管(16),双端变轨螺纹岩芯内管(16)一端再连接变轨螺纹卡簧座(19)。
2.根据权利要求1所述的一种能碾碎岩渣的预应力钢绞线岩芯管,其特征在于:所述变轨螺纹内管接头的螺纹前端,加工限...
【专利技术属性】
技术研发人员:白瑞峰,
申请(专利权)人:赤峰市浩峰钻机有限责任公司,
类型:发明
国别省市:内蒙;15
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