Patent ID: 9206557
Filing Date: 2015-12-08
Classification: E01B

Abstract:
1. A machine for removing ballast underneath a track comprising: a machine frame a plurality of on-track undercarriages wherein said machine frame is mobile on the track via said on-track undercarriages; a clearing device, wherein said machine frame is connected for vertical adjustment to said clearing device; wherein said clearing device comprises an excavating chain having a cutter bar wherein the cutter bar being designed for being positioned in a ballast bed underneath the track and pivotable about a vertical rotation axis in an excavation plane over an angle α with respect to a longitudinal direction of the track; a detachable coupling coupled to an end spaced from the rotation axis of the cutter bar a support device coupled by means of said coupling at said end to the cutter bar and fastened to the machine frame, wherein, the support device is adjustable relative to the machine frame for continuous support of the cutter bar independently of the angle α.