A hydraulic tensioning system for a tracked undercarriage is configured to position an idler wheel, supported by a frame assembly, relative to a drive sprocket. The hydraulic tensioning system includes at least one fluid actuator unit with a body that defines a recoil chamber, a tension chamber, and a wall in between the two chambers. A piston assembly is positioned between the body and idler wheel. A ram assembly is positioned between the body and frame assembly. A recoil circuit is in fluid communication with the recoil chamber and a tank. A fluid in the recoil chamber is relieved through a relief valve when the idler wheel is displaced. Fluid is introduced to the recoil chamber, urging the idler wheel away from the frame assembly, via the piston assembly. A tensioning fluid within the tension chamber selectively urges the idler wheel away from the frame assembly, via the ram assembly.
HYDRAULIC TRACK TENSIONING AND RECOIL SYSTEM
25.06.2015
Patent
Elektronische Ressource
Englisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |