Hydraulic chain tensioning means for tensioning the crawler...

Details Hydraulic chain tensioning means for tensioning the crawler... Hydraulic chain tensioning means for tensioning the crawler...

B - Operations, Transporting

62

D

B62D 55/30 (2006.01)

Patent

CA 2157591

A hydraulic track tensioner for automatically tensioning tracks with two, four or eight-wheel cranks essentially consists of two tensioning cylinders (1.1 and 1.2) and several valves (3). The two tensioning cylinders (1.1 and 1.2) are interconnected via lines (4) and to the valves (3) via other lines (5). The tensioning cylinders (1.1 and 1.2) are secured to the frame (10) of the tracked gear and the tracked gear guide wheel (10) is supported on the piston rods (1.1K and 1.2K) of the tensioning cylinders (1.1 and 1.2). A weak spring (piston store 6) is connected in parallel to the tensioning cylinders (1.1 and 1.2) so that, when a load is first applied to the track tensioner, there is only a slight pressure increase in the tensioning cylinders (1.1 and 1.2).

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