YDT31A型新型电动凿岩机是武汉鑫文丰机械有限公司研制成功的专利产品。填补了我国“一次能量转换”的凿岩机械空白。冶金部科技成果鉴定为“达到***水平，是对我国电动凿岩机研制方面的一个新的贡献”。该产品广泛用于于凿钻岩石炮孔、修建江河堤坝、鄱揭路面、修筑公路、铁路、机场跑道、地质勘探、金属和非金属矿藏开采、国防石方工程等领域。027-63217053YDT31ANewTypeElectricRockDrillisapatentproduetdevelopedsuccessfullybyWuhanXinwenfengMachineryCo.Ltd.TheproducthaspassedtheScience&TechnologyAchievementsExpevtiseorganizedbytheMinistryofMetallurgyIndustry,andwasregardedas“h***ingachievedtheinternationaladvancedlevelandmadeanewcontributiontothedevelopmentofelectricrockdrillforourcountry”.Theproductisextensivelyusedfortheoperationofrockdrilling,riverdam,highway,railway,airportrunway,geologicalsurvey,metallicandnon-metallicmining,nationaldefenseandotherkindsofquarryengineering.)