High-load-bearing trundle

The utility model discloses a high load-bearing trundle which comprises a support, the support comprises a supporting part and a connecting part rotationally arranged on the supporting part, the high load-bearing trundle further comprises front wheels and rear wheels, the number of the rear wheels is two, the two rear wheels are rotationally arranged on the two sides of the end, away from the supporting part, of the connecting part respectively, and the front wheels are rotationally arranged in the middle of the connecting part. The height of the front wheel relative to the supporting part is smaller than that of the rear wheel relative to the supporting part, when the rear wheel is located on the horizontal plane, the front wheel is in a suspended state, and when an obstacle exists in front of the rear wheel, the front wheel abuts against the obstacle to drive the rear wheel to cross the obstacle. And under the condition of bearing weight, the situation that the wheels generate excessive stress and deformati