Magnetic pole supporting block assembling device for steel rolling motor rotor

The invention discloses a magnetic pole supporting block assembling device for a steel rolling motor rotor. The device comprises a rotor magnetic pole and a magnetic pole supporting block, wherein therotor magnetic pole comprises a magnetic pole coil and a rotor iron core; an insulation board is arranged between the magnetic pole supporting block and the magnetic pole coil; the magnetic pole supporting block is connected to the rotor iron core through a supporting block bolt; the rotor magnetic pole is provided with a spacing device; the spacing device comprises a baffle, a first pull rod, asecond pull rod and a nut, wherein the baffle is arranged on the outer cylindrical surface of the rotor magnetic pole; the lower end of the first pull rod and the lower end of the second pull rod areindependently provided with a bent flange; the lower end of the first pull rod and the lower end of the second pull rod independently tightly hook the lower ends of the insulation boards on two sidesof the magnetic pole support