Rotatable switch in colliery

The utility model discloses a rotatable switch in colliery, including tumbler disc, support, induction tube, drive belt, sleeve pipe, dead lever, pivot, iron sheet, insulator foot, electro -magnet, servo motor, electron device, control platform and power, the last plummer of installing of tumbler disc, tumbler disc's lower surface and support fixed connection, the upper end of support is equipped with the inductor of weighing, the inductor of weighing passes through the induction tube and is connected with the plummer, synchronous runner passes through the drive belt and is connected with servo motor, the bottom fixed connection sleeve pipe of support, the electro -magnet is connected through the dead lever in the sheathed tube middle part, the sheathed tube bottom is through pivot fixed connection insulator foot, the electro -magnet all with magnetism timing control ware and electromagnetic controller electric connection, this rotatable switch in colliery, convenient, the design is simple, and is with low costs, less investment, income advantage such as big.