RACK-LINING DEVICE Russian patent published in 1998 - IPC

FIELD: railway transport; repair of rail tracks. SUBSTANCE: device has two measuring trucks, two end trucks, chord cable stretched between end trucks, track shifter, control panel including tape drive, carriages, one of which is connected by flexible thread with synchro-receiver electrically connected with synchro-transmitter installed on first measuring truck. Second carriage has electric contacts to switch electrohydraulic spool of track shifter. Third carriage has recorder placed above track lining chart and is connected by means of flexible thread with second synchro-receiver electrically connected with second synchro-transmitter installed on second measuring truck. Second carriage has indicator tracing the designed curves on second chart to control switching of electrohydraulic spool of track shifter. EFFECT: improved track lining, enhanced accuracy. 2 cl, 11 dwg