一款新型叉车护顶架的冲击下落试验与仿真研究  

Impact Drop Test and Simulation on a New Type Roof Protective Structure for Fork Lifts

作　　者：潘长领 帅向辉 董晃晃 宁晓斌[3] 

机构地区：[1]郑州地铁集团有限公司 [2]杭叉集团股份有限公司 [3]浙江工业大学

出　　处：《工程机械》2019年第12期16-20,I0015,共6页Construction Machinery and Equipment

摘　　要：介绍叉车护顶架的安全性能测试标准及要求。按照标准关于冲击下落试验的要求,基于LS-DYNA建立试验载荷冲击护顶架的显式动力学计算模型,同时开展该型护顶架的现场冲击试验。研究表明:模拟计算结果同试验结果符合较好,护顶架永久变形误差为2.5%。建立的有限元仿真模型具有较高的可信度,可为进一步改进和完善护顶架的结构提供依据和参考。It is to introduce safety test and performance requirements of the forklift roof protective.Accordingly,it has to build up models of explicit dynamic computation models for impacts to the roof protective structure,which is based on an LS-DYNA for the impact loads,while unfolding impact tests on the protective at site.The study shows that results of the simulated computation meet those of test in a better way,with 2.5% tolerance of set deformation of the protective,and with rather high credibility for the finite elements simulating models,thus providing a basis and reference for further improvement to get a perfect roof protective structure.

关 键 词：护顶架 冲击下落试验 显式动力学 

分 类 号：TH242[机械工程—机械制造及自动化]