拖式振动碾具有结构简单、振动力大的特点。我国目前使用较多的是国内生产的YZT系列拖式振动碾。我单位在广东省大河电站砼面板堆石坝和高塘电站砼面板堆石坝的施工中使用了4台YZT18型拖式振动碾,使用中发现一些值得注意的问题。 1.发动机 YZT18型振动碾所配的发动机是北内集团生产的F6L913-ZG型六缸直 Drag-type vibration grinding has the advantages of simple structure and large vibration force. At present, China’s use of more is the domestic production of YZT series drag type vibration grinding. My unit used four sets of YZT18 type trailing vibration grinders in the construction of concrete faced rockfill dam of Dahe Hydropower Station and concrete faced rockfill dam of Gaotang Hydropower Station. Some notable problems were found in use. 1. Engine YZT18-type vibration grinder with the engine is the North Group produced F6L913-ZG type six-cylinder straight