Rotary joint for road vehicles having at least two vehicle parts which are connected by means of an articulated joint

摘要

The invention relates to a rotary joint for road vehicles having at least two vehicle parts which are connected by means of an articulated joint and can be located in a stationary, non-stationary, stable or unstable driving state and in which the articulated joint is in an operative connection with a hydraulic control device. The rotary joint has a cylinder 5 which is connected to one vehicle part 3, 4 and on whose inner wall 6 stop webs which are directed radially inwards are constructed. Said webs rest against a shaft 8 which is arranged coaxially in the cylinder 5 and on which vanes 9 which extend radially as far as the inner wall 6 of the cylinder 5 are constructed in such a way that the cavity 10 which is circular in cross-section and formed between the inner wall 6 and the shaft 8 is divided up into pressure chambers 11, 12, 13, 14 which are bounded by the stop webs 7 and vanes 9 and can be subjected alternately to a pressurised fluid of the control device (Fig. 2). IMAGE