lifting screw

基本解释

With the main blade lifting screw, nut structure, stable and reliable.
主锯片升降采用螺杆，螺母结构，平稳可靠。
In the light of the problems with artificial lifting by screw pumps, Model QYLB800-24C-DQ001 electric submersible screw pump is developed.
针对螺杆泵举升技术存在的问题，开发研制了一种QYLB800-24C—D Q001型电动潜油螺杆泵。
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.
提升螺杆上、下端采用调心滚柱止推轴承双调心吊挂结构改善提升螺杆受力状态。
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