B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
B60K 17/36 (2006.01) B60K 17/04 (2006.01)
Patent
CA 2505378
The present invention relates to a device for continuously regulating the erection of a tandem axle of a vehicle or a self-moving working machine having a vehicle frame and at least one drive axle 12, wherein a tandem drive axle 16 with a movable tandem axle housing 18 is respectively disposed at the ends of the drive axle 12, and the torque introduced by the drive axle 12 is mechanically distributed to the wheels disposed in the tandem axle housing 18 through the drive tandem axle 16. Therein, the drive axle 12 is coaxially connected to the drive tandem axle 16 through a ball ramp device 20, wherein the ball ramp device 20 is comprised of a first ball ramp disk 22 connected to an end 26 of the drive tandem axle 16 opposing an end 28 of the drive axle 12, and a second ball ramp disk 24 disposed in an axially displaceable manner at the end 28 of the drive tandem axle 12, and the distance L between the second ball ramp disk 24 and the first ball ramp disk 22 is increased by a torque of the drive tandem axle 16 counteracting the drive torque, wherein the second ball ramp disk 24 is operatively connected to a piston 30, and a pressure with a value of P1 is produced in a volume 32 by the axial movement of the second ball ramp disk 24, wherein P1 is passed to a control valve 34, and the control valve 34 controls the level of a system pressure P3 or P4 depending on P1, and a resulting pressure with the value of P2 serves for controlling a compensating device 36 for achieving a compensating torque counteracting the erection effect. The invention further relates to a method for continuously regulating the erection of a tandem axle of a vehicle or a self-moving working machine.
Naf Neunkirchener Achsenfabrik Ag
Ridout & Maybee Llp
LandOfFree
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