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在井巷及隧道施工中,大量使用的铲斗后卸式装岩机,长期以来多数为电动或风动式。瑞典阿特拉斯·科普科(Atlas Copco)公司生产的LME80型铲斗后卸式装岩机,在基本保留电动风动式机械结构型式的基础上,传动型式为全液压传动。使其性能明显改善,具有灵活、可靠、传动平稳、噪声小、改善劳动环境、提高生产率、降低动力消耗和减轻整机重量等优点。LME80型装岩机的液压系统如图1所示。
In the construction of tunnels and tunnels, a large number of bucket-back rock-fill rock loaders have been used for a long time, mostly for electric or wind-driven applications. Atlas Copco’s LME80 bucket-behind rock loader, which is based on the basic electro-pneumatic mechanical structure type, is fully hydraulically driven. Its performance is obviously improved. It has the merits of being flexible, reliable, smooth transmission, low noise, improving working environment, improving productivity, reducing power consumption and reducing weight of the whole machine. LME80 rock loader hydraulic system shown in Figure 1.