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摘要
挖掘機使用于建筑工地的很寬的方面，從挖掘與土壤移動操作到需要一個可選的附加的叫破碎器的破巖任務。它們普通結構包含一個行駛裝置，回轉(zhuǎn)裝置和一個前面的工作裝置。動臂（boom），斗桿（arm），鏟斗（bucket），是組成挖掘機前面工作裝置三個主要連接體。回轉(zhuǎn)裝置，動臂，斗桿，和鏟斗的運動是挖掘機停靠的情況下工作時最頻繁的運行。在本論文當中，主要介紹了動臂、斗桿、鏟斗的相關設計計算，包括運動分析。使用了自己編寫小的視窗應用程序來執(zhí)行一部分計算任務。
關鍵詞：挖掘機；動臂；斗桿；鏟斗；工作裝置；Visual C++
Abstract
Excavators are used in a wide variety of ways in construction fields, from digging and soil-moving operations to rock-breaking tasks that require an optional attachment called a breaker. Their common structure consists of a traveling body, a swing body and a front manipulator. The boom, arm and bucket, are three main links comprising the front manipulator of an excavator. Swing, boom, arm and bucket motions are the most frequent motions of an excavator when it works in a parked condition. In this paper, design calculation, including movement analyses, is mainly talked about. Some of the calculation tasks use small windows application programs, which are written by myself.
Key words：Excavator；boom；arm；bucket；manipulator；Visual C++