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요약정보
机械式挖掘机工作装置动力学分析 / Dynamics research on working attachments of mechanical excavator
Resource Type
Academic Journal
Authors
林贵瑜
;
阚敏
;
王晓明
;
任月龙
;
任举鹏
;
LIN Gui-yu
;
KAN Min
;
WANG Xiao-ming
;
REN Yue-long
;
REN Ju-peng
Source
建筑机械(下半月) / Construction Machinery
. (1):87-100
Subject
挖掘机
动力学
工作装置
Language
Chinese
ISSN
1001-554X
Online Access
Find it @ DONGA
초록
机械式挖掘机工作装置的动力学研究是从挖掘机的理论动力特性曲线出发,以极端工况为计算条件,以工作装置的提升和推压系统的自然系统作为计算模型;将斗柄、动臂视为弹性体,运用拉格朗日方程建立9自由度工作装置的弹性动力学数学模型,有别于以往的刚体动力学模型;采用振型叠加法求得位移响应及各构件的最大动载荷及动载荷系数.研究中提出的挖掘机动力学分析方法,可适用于设计挖掘机新产品时的动力计算和强度校核,也可用于已有产品的动力评价.
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