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拉臂车主要由拉臂式自装卸装置及汽车底盘构成,主要依靠拉臂的运动来完成作业,拉臂的结构形式直接影响其性能与工作效率。简要介绍拉臂车的总体结构,以及拉臂常采用的3种结构形式和特点,并在装卸作业工况及卸料作业工况下对拉臂及箱体进行运动学和力学分析,对3种形式拉臂的优缺点进行对比,得出不同吨位拉臂车宜采用的拉臂结构形式。
Arm car mainly by the pull-arm self-loading and unloading devices and car chassis composition, mainly by pulling the arm to complete the exercise, pull the arm structure directly affects the performance and efficiency. Brief introduction of the overall structure of the pull arm car, as well as the three kinds of structures and characteristics often used in the arm, and kinematics and mechanics analysis of the pull arm and the box under loading and unloading working conditions and unloading operation conditions, Comparison of the advantages and disadvantages of different types of pull arm, drawn pull arm structure of different tonnage pulling arm should be adopted.