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目前，各地质队普遍使用的XU600-3型钻机的离合器，是影响钻探生产的关键部件。离合器的槽圈体和轴套是通过6个φ8.5的铆钉而铆成一体。但是，在使用过程中，经常是槽圈体和轴套由于扭矩和剪切力的作用，而使铆钉松动或断裂脱落。这样就得拆卸离合器，去掉残余铆钉，车制新铆钉而重新铆接。而这一修配过程一般须在队部车间进行，这就要耽误时间，往往会影响野外的钻探生产。鉴于上述情况，我们将铆好的槽圈体和轴套之间加工了两个螺纹孔，装配了两个骑缝螺钉（见图）。这
At present, the clutches of the XU600-3 drilling rig commonly used by geologic teams are the key components that affect drilling production. Clutch ring body and sleeve through the 6 φ8.5 rivets and riveted into one. However, in use, it is often the ring body and sleeve due to the role of torque and shear force, leaving the rivet loose or broken off. This will have to remove the clutch, remove the remaining rivets, car rivets and new riveting. This process of repairing is generally done at the team’s workshop, which delays time and often affects the field of drilling production. In the light of the above, we have machined two threaded holes between the rivet ring body and the sleeve, and assembled two riding screws (see picture). This