Abstract:

The moving track is broadened when a truck-trailer goes round curver in a road. In general, the increment of the track of a shaft style truck-trailer is less than that of a seperating style one. The track increment of a truck-trailer equipped with tail shaft turning compensator is just half of that of a seperation style truck—trailer. So, it is an effective method to set tail shaft to reduce the track increment. The length of a tail shaft for a truck-trailer can vary according to horizontal and vertical arc conditions and the tail structure of the truck-trailer, and the tail shaft is designed as a multijoint device which can be pulled forth and back.

Key words: Truck-trailer log haulig, Track increment, Tail shaft