A main transmission connecting shaft for a three-roller continuous tube rolling mill relates to a production device of a seamless steel pipe.

一种用于三辊连轧管机的主传动接轴，涉及无缝钢管生产设备。

This thesis details and analyses the problem of the balance unit of the universal joint spindle of the tube rolling mill, finds the theoretic basis of the fault.

针对原接轴平衡装置存在的问题进行理论分析，并找出该装置的缺陷的理论根源。

The invention relates to an improved locking top structure, which is convenient for changing the top while locking and meets the operating requirements in the production of tube rolling.

本发明为一种改良的锁紧顶头结构，其能保证锁紧的同时，方便更换顶头，满足轧管生产中的使用要求。