卡爪结构的改进

Improvement on Claw Struture

对重型机床卡爪结构进行改进,将原卡爪结构的普通丝杆改为增力丝杆,将卡爪定位机构的一个圆定位键改为三个矩形定位键,并增加卡爪手动移动装置,大大提高了卡爪的承载能力和使用效率。

Some improvements on claw structure of heavy-duty machine are carried out ： general lead screw of the original claw structure is changed into reinforcement lead screw, and a round positioning key of positioning mechanism for claw is changed into three rectangular positioning keys and a manual shifter for claw is added, by which greatly increases bearing capacity and service efficiency of claw.