erection bar

The discussion of seal in the hydraulic support's column and jack;

液压支架立柱、千斤顶缸口密封的探讨

Using the stable theory of steel structure axle center pressure and advanced ANSYS program, the paper calculates and analyzes the pressure stability of about 20 rack columns axle centers of sections of three different serious products, gives out pressure calculating formula of the axle center and optimized hole shape and location of sections.

采用钢结构轴心受压的稳定理论和先进的AN-SYS程序对3种不同截面形状系列产品的约20个货架立柱轴心受压状态的稳定性进行计算和分析,并与实验结构进行比较。

The main reasons for torsion and bending deformation of the steel frame columns of No.

洛阳热电厂l号锅炉钢架立柱扭曲、弯曲变形的主要原因是由于存放时间长 ,焊接应力释放造成的。