2026-06-23 19:06 浏览次数 23
升降螺桿;螺旋起重器
the upper end and the lower end of a lifting screw are in a double-self-aligning hanging structure with a self-aligning roller step bearing so that the stress state of the lifting screw is improved.
提升螺桿上、下端采用调心滚柱止推轴承双调心吊挂结构改善提升螺桿受力状态。