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2009•Chinese journal of construction machineryRequires access

Hinge loading calculation on excavating forces for Doosan DH80-7 excavators

Jun Yao

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Abstract

For excavator hinging node design and checking,it is an imperative to determine the maximal hinge loading.Firstly,the excavator working mechanism is analyzed on connecting rods via rod grouping method.Then,the theoretical excavating force and hinge loading are calculated under diverse working conditions and carriages.Next,the maximal hinging force is obtained by analyzing and comparing calulation data.With application to Doosan DH80-7 excavators,the methodological effectiveness is finally proven.

About this research paper

What this paper is about

For excavator hinging node design and checking,it is an imperative to determine the maximal hinge loading.Firstly,the excavator working mechanism is analyzed on connecting rods via rod grouping method.Then,the theoretical excavating force and hinge loading are calculated under diverse working conditions and carriages.Next,the maximal hinging force is obtained by analyzing and comparing calulation data.With application to Doosan DH80-7 excavators,the methodological effectiveness is finally proven.

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Available abstract

For excavator hinging node design and checking,it is an imperative to determine the maximal hinge loading.Firstly,the excavator working mechanism is analyzed on connecting rods via rod grouping method.Then,the theoretical excavating force and hinge loading are calculated under diverse working conditions and carriages.Next,the maximal hinging force is obtained by analyzing and comparing calulation data.With application to Doosan DH80-7 excavators,the methodological effectiveness is finally proven.

Key concepts: Excavator, Hinge, Structural engineering, Engineering, Mechanism (biology), Connecting rod, Rod, Node (physics)

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