Container car supporting mechanism

The utility model provides a container car supporting mechanism. The container car supporting mechanism comprises a car body, wheels and a supporting mechanism body. The supporting mechanism body comprises a guide rail, a sliding block, a hydraulic cylinder and a spring, wherein the wheels are arranged under the car body, the guide rail is fixedly installed on one side of the car body, the sliding block is connected with the guide rail in a sliding mode, the sliding block can slide left and right along the guide rail, the hydraulic cylinder is fixedly installed above the sliding block, and the spring is fixedly installed above a telescopic rod of the hydraulic cylinder. The container car supporting mechanism is simple in structure, the supporting mechanism is arranged, the concaved area of the bottom of a container is filled up through the adjustment of the hydraulic cylinder and the spring, and the container can be installed on the car body more firmly.