Material rebound resilience detection device

The material rebound resilience detection device comprises a base, fixed seats, a sliding seat and two clamps, the fixed seats comprise a first fixed seat and a second fixed seat which are respectively arranged on the base along the length direction of the base, the number of the clamps is two, and the first clamp and the second clamp are respectively used for clamping two ends of a sample. The first clamp and the second clamp are arranged on the upper end face of the fixing base, a lead screw transmission assembly is arranged between the first fixing base and the second fixing base, the lead screw transmission assembly is sleeved with the sliding base, an external thread is arranged on the surface of the lead screw transmission assembly, and the sliding base is arranged on the outer side of the lead screw transmission assembly. A locking rod assembly is arranged at the connecting position of the sliding base and the lead screw transmission assembly, and the locking rod assembly has a contraction mode and an