Bridge guardrail load performance detection system

The utility model discloses a bridge guardrail load performance detection system, and belongs to the technical field of bridge guardrail load detection equipment. The device comprises a transmission case, electric cylinders are fixedly connected to two sides of an inner cavity of the transmission case, a load sensor is fixedly connected to one side, far away from the transmission case, of each electric cylinder, a detection arm is arranged on the surface of each load sensor, a toothed plate is fixedly connected to the bottom of the transmission case, and a protective sleeve is sleeved on the surface of each toothed plate. And the two sides of the inner cavity of the protective sleeve are movably connected with screw rods engaged with the toothed plates through bearings. According to the utility model, the switch button and the motor drive the screw rod to rotate through the bevel pinion and the bevel gear wheel, the screw rod and the toothed plate drive the transmission case and the detection arm to move upwa