Study on Load Spectrum Compiling Method and Load Measurement of Harvester Frame

LANG Jian

1

郎健(1990-)，男，在讀碩士研究生，主要研究方向：數(shù)字化設(shè)計(jì)與制造

LIU Shourong

1

劉守榮(1963-)，男，教授，主要研究方向：數(shù)字化設(shè)計(jì)與制造

ZHAI Zhiqiang

1

1、China Agricultural University,College of Engineering,Beijing 100083

Abstract：Get the strain change data of the maize harvest machine frame weak point in different working conditions by building a strain test system. Analyzing the data in Matlab and get the load spectrum by using the statistics notation measurement. The harvest machine has a complex working environment, hence the test system is designed to be modified and easily changing the strain test patch. Statistics notation measurement is simplified by data analysis program. Computing speed and accuracy is improved and the program is convenient for statistic analyzing the random load. This study provides a good reference for testing the agricultural machine parts load and compiling load spectrum chart.

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