Hammer drop impact tester for petroleum sleeve protective ring

The utility model discloses a testing machine in falling weight impact test on an oil branch tube protection ring, which consists of a framework, a lifting device 6, an unhooking device 7, a drop hammer and a set of three-dimensional anvil bed, and the lifting device 6 is fixed on the top of the framework through a lifting device chassis 5, and is connected with the drop hammer through the unhooking device 7. The drop hammer consists of a guide bar 8 which crosses a guide runner 9, a hammer head 11 and a weight 10. The three-dimensional anvil bed and an oblique stop 15 are all provided with a V shape groove, which are capable of sliding in the slide way of an anvil bed chassis and being fixed on a proper position. The testing machine is capable of taking an axial, radial and an angle of 45 degrees angularly falling weight test only with a set of three-dimensional anvil bed to multiple standards branch pipe screw protector without the need of changing a holding device frequently.