Supporting and reinforcing column for mine construction channel

The utility model belongs to the technical field of mine construction channels and discloses a supporting and reinforcing column for a mine construction channel, which comprises a bottom plate, a stand column is fixedly mounted on one side surface of the bottom plate, a lifting column is arranged at the top end of the stand column, a supporting plate is rotatably mounted on the outer side surface of the lifting column, a groove is formed in the lower surface of the supporting plate, and a supporting rod is rotatably mounted in the groove. A sliding groove is formed in the outer side surface of the lifting column, a sliding block is slidably installed in the sliding groove, a lead screw is rotatably installed on the inner side of the lifting column, a first bevel gear is fixedly installed on the outer side surface of the lead screw, a rotating shaft is rotatably installed on one side of the lifting column, a second bevel gear is fixedly installed at one end of the rotating shaft, and a first positioning gear i