EP 3481998 A1 20190515 - APPARATUS AND METHOD FOR TAMPING BALLAST
Title (en)
APPARATUS AND METHOD FOR TAMPING BALLAST
Title (de)
VORRICHTUNG UND VERFAHREN ZUM STOPFEN VON SCHOTTER
Title (fr)
APPAREIL ET PROCÉDÉ DE BOURRAGE DE BALLAST
Publication
Application
Priority
US 2016040965 W 20160705
Abstract (en)
[origin: WO2018009173A1] The present disclosure generally relates to a railroad track ballast tamping vehicle and associated methods of use, wherein the vehicle comprises: a rigid frame; a variable-displacement servo-pump operatively coupled to the vehicle; at least one linear hydraulic actuator operatively coupled to the frame at a proximal end of the at least one linear hydraulic actuator and comprising: at least one internal cavity for receiving hydraulic fluid from the variable-displacement servo-pump via a hydraulic hose; and an actuator rod passing through a first internal cavity and a second internal cavity of the at least one linear hydraulic actuator; and a tamping tool operatively coupled to a distal end of the at least one linear hydraulic actuator. A tamping pad associated with the tamping tool may be lowered into ballast underlying railroad tracks and between railroad track ties for performing ballast tamping operations.
IPC 8 full level
E01B 27/16 (2006.01)
CPC (source: EP)
E01B 27/16 (2013.01)
Citation (search report)
See references of WO 2018009173A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2018009173 A1 20180111; CA 3029171 A1 20180111; EP 3481998 A1 20190515
DOCDB simple family (application)
US 2016040965 W 20160705; CA 3029171 A 20160705; EP 16908294 A 20160705