A tamping machine

Details A tamping machine A tamping machine

E - Fixed Constructions

01

B

E01B 27/17 (2006.01)

Patent

CA 2436290

A tamping machine (1) for tamping sleepers (4) of a track (6) includes a machine frame (2) and a sub-frame (11) arranged between the on-track undercarriages (3). The sub-frame (11) is mobile on the track by means of an undercarriage (14) having a unit motive drive (18) and is longitudinally displaceably connected to the machine frame (2) by means of a frame support (17). For assisting the unit motive drive (18), an acceleration drive (21) is provided. The latter is rigidly connected to the machine frame (2) and comprises a bracing plunger for temporary application to the sub-frame (11). A maximum stroke of the acceleration drive (21) is shorter than a maximum displacement path a between the machine- and the sub-frame (2, 11).

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