BRIDGE CRANE SUPPORT SKEWING LIMITER Russian patent published in 1996 - IPC

FIELD: materials handling facilities; bridge crane supports. SUBSTANCE: crane support skewing limiter has wheel-to-rail position sensors, each made in form of carriage 3 with cantilever mounted roller 1 and three guide rods 4,5,6 fitted in holes of two carriage brackets 9,10 secured on end face beam 16 at both sides of rail axis. Two rods 4,5 located at one side of rail have springs 7,8. Carriage 3 is connected with lever 12 through ball joint 14. Lever 12 and lever axle attachment bracket 11 have holes 17 to change gear ratio of lever coupled with limit switches 15. Limiter can have two sensors installed on ends of end beam 16. EFFECT: enhanced reliability of operation of crane support skewing limiter, cut down consumption of energy in motion. 2 cl, 1 dwg