As the main bearing components the welding quality of frame is particularly important, the manufacturing quality of frame directly restrict the locomotive safety and service life.

作为主要承载部件构架的焊接质量尤为重要，构架制造质量直接制约着机车的安全和使用寿命。

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Based on the problems existed in application and mechanical design for present electric locomotives, discusses the design of locomotive frame, wheel pair, spring tray and driving unit.

从现用工矿电机车机械设计及应用中存在的问题，对车架、轮对、弹簧托架、传动装置的设计方面进行了探讨。

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Firstly, the paper analyzes theoretically the case-based reasoning, then studies the characters of taking-apart craft and presents the frame representation of locomotive taking-apart craft.

首先对基于事例推理进行了理论分析，研究了解体工艺的特征，提出了内燃机车解体工艺知识的事例框架表示法。

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