The utility model discloses a coal face shield, which comprises a hydraulic bracket body, the front end of the top beam hinged hydraulic bracket body is forestope, forestope is provided with a hydraulic jack, jack cylinder is connected to the top beam below the front beams under the action of the hydraulic jack, can move down and support support. The utility model has played a protective effect, solve the problems of blasting equipment damage.
【技术实现步骤摘要】
【技术保护点】
1.一种采煤工作面掩护支架,它包括液压支架本体,其特征在于,液压支架本体的顶梁前端铰接有前探梁,前探梁上设有液压千斤顶,液压千斤顶的缸体连接在顶梁下面,前探梁在液压千斤顶作用下,可朝前支撑和朝下支撑。
【技术特征摘要】
【专利技术属性】
技术研发人员:魏旭军,倪庆均,郭英亮,王令永,
申请(专利权)人:山东良庄矿业有限公司,
类型:实用新型
国别省市:37
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