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本文介绍了DSA型受电弓自动降弓装置的作用原理,分析了其常见故障,针对其误动作隔离切除困难,提出了改进方法,并在SS3B固定重联机车上改造。
This paper introduces the principle of DSA pantograph automatic lowering device and analyzes its common faults. In view of the difficulty of its isolation and removal, this paper proposes an improved method and rebuild it on SS3B fixed reconnection locomotive.