液压反铲挖掘船是近几年国际上新出现的一种新型挖掘作业船，专门挖掘硬质土和石块。
Hydraulic back-hoe dredger is a new type of dredger developed and specially for handling hard soil and stone.
反铲装置作为液压挖掘机实现其各项功能的重要组成部分，它的结构直接影响到挖掘机的工作性能。
Backhoe device is an important part of Hydraulic Excavator to achieve its functions, its structure affects the performance of Excavator directly.
在对反铲液压挖掘机工作装置的运动学、动力学性能以及挖掘力数学模型全面分析的基础上，建立了反铲液压挖掘机整机的位置模型和挖掘力发挥模型。
Models of the position and tool forces of backhoe hydraulic excavator were built based on the full analysis of kinematics, kinetic performance of working device and mathematic model of tool forces.
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