Beam hanger for polish rod of belt pumping unit

The utility model provides a beam hanger for the polish rod of a belt pumping unit, and therefore, the service life of the polish rod can be prolonged. The beam hanger comprises a load hanging plate for fixing a steel rope, wherein the polish rod passes through the middle part hole of the load hanging plate; an n-shaped part is located on the load hanging plate; the opening of the n-shaped part is downward and faces the load hanging plate; the polish rod passes through the upper top of the n-shaped part; an upper square clamp is arranged above the upper top of the n-shaped part; an anti-falling clip is arranged in the chamber of the n-shaped part; and the upper square clamp and the anti-off clip are respectively fixed on the polish rod. Since the beam hanger for the polish rod of the belt pumping unit is adopted to connect a belt with the polish rod, during the use process, if the polish rod at the root of the square clamp is fractured due to fatigue, the anti-off clip and the load hanging plate still form th