Shock-absorbing mechanism of load-carrying vehicle

A shock-absorbing mechanism of a load-carrying vehicle comprises a frame, the frame is provided with a main transverse shaft, two sides of the frame are provided with main suspension mechanisms, and each main suspension mechanism comprises a swing plate spring, a support plate spring and a connecting structure. The connecting structure is arranged at the front side of the main transverse shaft, the support plate spring is mounted on the main transverse shaft and connected with the connecting structure. The front portion of the frame is connected with the connecting structure through the swing plate spring, and the swing plate spring is hinged to the frame. A main axle is mounted between connecting structures of two main suspension mechanisms. Connecting structures in the shock-absorbing mechanism of the load-carrying vehicle are mounted between two plate springs, so the two plate springs can support the main axle on the connecting structures, the bearing capacity can be raised, the scope of movement of main wheels mounted to the main axle can be enlarged during buffer, and the cross-country performance of a vehicle can be raised. The swing plate springs can swing because the swing plate springs are hinged to the frame, the lifting range of the connecting structures can be further increased, the scope of movement of main wheels is further enlarged, and the cross-country performance of the vehicle can be further raised.