Basement rock swelled blasting pretreatment systems in shield constructed boundary limit

The utility model relates to a basement rock swelled blasting pretreatment systems in shield constructed boundary limit, its include form through the vertical construction of geological drilling rig and pass through in soil layer and the tunnel the prominent big gun hole of basement rock and be used for arranging the total powerstation that the big gun hole site put, it has mud layer to adhere toon the downthehole lateral wall of big gun, is used for the protruding demolition unit who carries out the rubble and handle of basement rock downthehole being provided with of big gun. The utility model relates to a rationally, compact structure and convenient to use. 本实用新型涉及盾构限界内基岩突起爆破预处理系统，其包括通过地质钻机竖直施工形成的且穿越土层与隧道中基岩突起的炮孔以及用于布置炮孔位置的全站仪；炮孔内侧壁上附着有泥浆层，在炮孔内设置有用于对基岩突起进行碎石处理的爆破装置。本实用新型设计合理、结构紧凑且使用方便。