Crawler mechanism is widely used in construction machinery

Crawler mechanism is widely used in construction machinery, tractors and other field vehicles. The walking condition is bad, which requires the walking mechanism to have enough strength and rigidity, as well as good walking and turning ability. The track is in contact with the ground, and the driving wheel is not in contact with the ground. When the motor drives the driving wheel to rotate, under the action of the drive torque of the reducer, the driving wheel continuously rolls up the track from the rear through the engagement between the teeth on the driving wheel and the track chain. The ground part of the track gives the ground a backward force, and the ground correspondingly gives the track a forward reaction force, which is the driving force to push the machine forward. When the driving force is enough to overcome the travel resistance, the roller will roll forward on the upper surface of the track, so that the machine can move forward. The front and rear tracks of the crawler traveling mechanism of the whole machine can turn independently, so that the turning radius is smaller.