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近年来,我国用石灰土修筑路面底层在无砂石地区已被广泛采用。但由于缺乏专用机械,占用大量劳动力,劳动强度大,施工条件差、生产效率低,质量不够理想影响对石灰土路的推广。为了解决这一问题,山东省机械工业厅设计研究院、烟台机器厂和我院的密切配合。在试制A-221手扶式压土拌合机的基础上,广泛征求了用户意见,进行研究,设计试制,终于在1965年9月底在烟台机器厂试制成功了L151型土壤拌合机。经过鉴定和在筑路工程中实际试用证
In recent years, China’s use of lime soil to build pavement in the bottom of non-gravel area has been widely used. However, due to the lack of special machinery, occupy a large number of labor force, labor-intensive, poor construction conditions, low productivity, quality is not ideal to affect the promotion of the lime soil road. In order to solve this problem, Shandong Machinery Industry Design and Research Institute, Yantai Machinery Factory and our hospital in close cooperation. On the basis of trial production of A-221 walking-type pressure soil mixer, the user’s opinions were extensively solicited, and the research and design trial were finished. Finally, L151 soil mixer was successfully trial-produced in Yantai Machine Factory by the end of September 1965. After identification and practical test in road construction projects