（ 1. Jinjitan Coal Mine 链轮轴组|109S010102|中双链刮板输送机SGZ730/400：110SEB， Shaanxi Future Energy and Chemical Co. ， Ltd. ， Yulin 719000 ， China ； 2. China Coal Zhangjiakou

Coal Mining Machinery Co. ， Ltd. ， Zhangjiakou 076250 ， China ）

Abstract ： Based on the stress 链轮轴组|109S010102|中双链刮板输送机SGZ730/400：110SEBanalysis of the push beam of the scraper conveyor, probed into the

causes of the bending deformation failure of the bottom plate of the push beam. Applied the principle of

the truss structure to change the链轮轴组|109S010102|中双链刮板输送机SGZ730/400：110SEB stress state of the dangerous section of the push beam and change the

bending stress into the tensile stress, 链轮轴组|109S010102|中双链刮板输送机SGZ730/400：110SEBthe strength characteristics of the material can be brought into

play effectively, and the factor of safety of the moving beam can be greatly increased under the premise

of ensuring the interchangeability,链轮轴组|109S010102|中双链刮板输送机SGZ730/400：110SEB thus meets the application requirements. The results have important

reference value for the optimization design of the push beam and for the design and analysis of similar

structural components.

Key words ： scraper conveyor ； 链轮轴组|109S010102|中双链刮板输送机SGZ730/400：110SEBpush beam ； force analysis ； strength check ； optimization design