Abstract
Car frame which is usually made of up beam, down beam, upright, cradle beam and bracer is bearing structure part which has a high intensity and stability requirements. Through research 2.5 tons, 4 high speed elevator's car frame, car frame's up beam, down beam, upright and cradle beam are designed by channel steel. In order to reduce the material cost of car frame based on the precondition that wouldn't influence frame's the stability and safety. First, Treating with the software SolidWorks establish 3D modeling. Second, by using the Plug-in COSMOS exert restriction, load and divide gridding meshing on the new car frame structure. After FEA gets stress cloud, strain cloud and safety factor cloud which provide the theory evidence of the new structure. The analysis of COSMOS shows the feasibility and stability of new structure. It can works on the condition that car frame keep steady and safe with material cost to lower, which has special significance on production practices.
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