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1 概述目前,在我国众多的中、小矿山井下装岩设备中,主要使用50年代问世的前装后卸式电动和气动装岩机。多年的实践证明,这两种装岩设备有能耗大、故障率高、劳动强度大等缺点。在国外,这两种形式的装岩设备已被全液压装岩机取代。为此,机电部将研制全液压装岩机作为“八五”攻关项目。我们在参照国外先进机型的基础上,结合本国的实际情况,研制了ZY-20型全液压装岩机。
1 Overview At present, among the many rock-bottom equipment for medium and small mines in our country, the front-mounted rear-mounted electric and pneumatic rock loader is mainly used in the 1950s. Years of practice has proved that these two rock loading equipment have large energy consumption, high failure rate, labor-intensive and other shortcomings. Abroad, these two forms of rock loading equipment have been replaced by fully hydraulic rock loader. To this end, the Department of Electrical and Mechanical Development will be fully hydraulic rock loader as the “Eighth” key project. We reference the advanced foreign models, based on the actual situation in our country, developed a ZY-20 full hydraulic rock loader installed.