Pipe gallery steel die

The utility model discloses a pipe gallery steel die which comprises a supporting column, the top end of the supporting column is connected with a top die through a hydraulic rod, the end of the top die is sequentially connected with a chamfering die and a side die, and the outer side of the side die is connected with a side die through a first locking rod. The bottom formwork further comprises longitudinal beams, the longitudinal beams are fixedly connected to the inner sides of the supporting columns at equal intervals in the longitudinal direction through bolts, first inclined struts are connected to the inner sides of the longitudinal beams in an inclined traction mode, and connecting blocks are fixed to the top ends and the tail ends of the first inclined struts; the first supporting rods are hinged to the inner sides of the middles of the chamfering die and the side dies; and the second supporting rods are correspondingly hinged to the tops and the bottoms of the side molds. The pipe gallery steel die i