The utility model discloses a colliery waste rock is backfilled with throwing cash machine, including belt conveyor, swing mechanism, conveyer lead angle mechanism, high guiding mechanism, crawler -type running gear and controlling means, belt conveyor's afterbody is articulated with swing mechanism's one end, swing mechanism's the other end and high guiding mechanism fixed connection, the one endof conveyer lead angle mechanism is articulated with belt conveyor's middle part, the other end and the high guiding mechanism sliding connection of conveyer lead angle mechanism, high guiding mechanism includes adjusting mount and lift cylinder, lift cylinder's top and adjusting mount fixed connection, lift cylinder's bottom and crawler -type running gear's top fixed connection, the adjusting mount is square structure, lift cylinder's quantity is four, four lift cylinder sets up respectively on four angles of adjusting mount. The utility model relates to a rationally, good, strong adaptability, operation labour saving and time saving of economical and practical, controllability, degree of automation is high and the work continuity is good.