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几十年来，各绞车生产厂家针对我国国情先后研制和开发了多种类型的煤矿井下防爆绞车，主要归纳为三大类：（1）全电控防爆绞车；（2）全液压防爆绞车；（3）差动防爆绞车。这些绞车长期以来为煤矿井下生产服务，基本满足了相当长一段时间煤矿井下提升要求，得到了各部门及用户
Over the past decades, various winch manufacturers have developed and developed many types of coal mine explosion-proof winches in light of China’s national conditions. They are mainly classified into three categories: (1) all-electric explosion-proof winches; (2) full hydraulic explosion-proof winches; 3) Differential explosion-proof winch. These winches have long been serving coal mine production services and have basically met the requirement of underground coal mine upgrading for a long period of time and have been well received by various departments and users