2011•Journal of North University of ChinaRequires access

An Analysis of Trajectory in Hydraulic Backhoe Excavators

Dongmei Cui

Abstract

The boom-bucket linkage of excavator was studied.Mathematic models of the boom-bucket linkage were built with coordinate transformation matrix,and the general expression of its trajectory was derived.Further results were given under some special conditions.The comparison between the expression and the practical trajectory were made.The trajectory simulation was carried out with Matlab.The simulation results showed that the simulated trajectory agreed well with the formulas.The above study can be taken as the basic of the hybrid-driven mechanism applied to the boom-bucket linkage in an excavator.

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Key concepts: Excavator, Trajectory, Boom, Linkage (software), MATLAB, Expression (computer science), Coordinate system, Computer science