0119-液压挖掘机反铲工作装置设计【全套6张CAD图+PROE三维模型+说明书】
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液压
挖掘机
工作
装置
设计
全套
cad
proe
三维
模型
- 资源描述：
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液压反铲装置设计
摘 要：本次设计的题目是液压挖掘机反铲装置机构。与其它类型的挖掘机相比，这种类型的挖掘机因有良好通过性能应用最广，对松软地面或沼泽地带还可采用加宽、加长以及浮式履带来降低接地比压。液压挖掘机反铲装置的主要特点为：反铲是中小型液压挖掘机的主要工作装置。液压挖掘机的反铲装置由动臂，斗杆铲斗，以及动臂油缸，斗杆油缸，铲斗油缸和连杆机构组成。其构造特点是各部件之间的连接全部采用铰接，通过油缸的伸缩来实现挖掘工作中的各种动作。动臂的小铰点与回转平台铰接，并以动臂油缸来支撑和改变动臂的倾角，通过动臂油缸的伸缩可使动臂绕小铰点转动而升降。斗杆铰接于动臂的上端，斗杆与动臂的相对位置由斗杆油缸来控制，当斗杆油缸伸缩时，斗杆便可绕动臂上焦铰点转动。铲斗与斗杆前端铰接，并通过铲斗油缸伸缩使铲斗绕该点转动。为增大铲斗的转角，通常以连杆机构与铲斗连接。本次设计的主要参数是斗容量0.2m3,它属于中小型液压挖掘机，主要设计挖掘机的工作装置。
在设计中，采用了轮胎式行走装置，来满足要求。上部转台是全回转式，因此它可在一个更大的范围内工作。又因采用液压传动控制而使整机性能得以改善。与机械式挖掘机相比，其挖掘力提高到2～3倍，整机质量约为5吨，挖掘力约为30kN，最大卸载高度约为2.65m，最大挖掘深度4.2m，最大挖掘半径约为5.728m，从中可以看出整机作业能力有了很大的改进，不仅挖掘力大，且机器重量轻，传动平稳，作业效率高，结构紧凑。另外，还对挖掘机的工作装置提出基于结构推理的机构方案创新设计方法。
关键词：液压挖掘机 ；挖掘机构 ；创新设计
- 内容简介：
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