Apparatus for measuring camber in rails
AssigneeUnited States Steel Corporation
InventorSigmund T. Mentzel
Life of this patent
Estimating the term…
Abstract
An electronic camber measuring device for hot rails utilizes the radiant energy of the rails for measuring the amount of camber imparted to the rail in a rail mill by measuring deflection in the end of the rail with respect to the centerline of the mill. Phototransistors are coupled to a readout console through digital circuitry. The readout console has a visual and audible alarm capability for indicating out-of-tolerance camber and a recorder for recording the camber and temperature of the rails.
Claims7
The combination, with a cambering machine and a runout table over which cambered workpieces travel on leaving said machine, of an improved apparatus for measuring the camber in a workpiece, said apparatus comprising:
- a scanning head near the exit end of said runout table and including a plurality of phototransistors arranged in at least one row extending across the path of the workpieces in a position to be traversed by each workpiece;
- a display device for indicating the extent of camber in each workpiece traversing said scanning head;
- and
- circuit means connecting said phototransistors and said display device.
Apparatus for measuring camber in a moving hot rail which comprises:
- a scanning head for sensing the presence of said rail as said rail passes which includes:
- a plurality of phototransistors arranged in scanning relation linearly and equi-spaced on an axis transverse to the direction of travel of said rail;
- an instrumentation console which includes:
- a first circuit means for energizing said scanning head,
- a second circuit means for transforming signals from said scanning head into a camber signal, and
- a readout console which includes:
- a third circuit means interconnecting said instrumentation console for translating said camber signal into a visual display of said camber;
- a fourth circuit means for presetting tolerance limits of said camber;
- and
- a fifth circuit means for energizing an alarm when said tolerance limits are exceeded.
Apparatus for measuring camber in a moving rail in a rail mill, said mill including a camber machine for cambering said rail with a runout table connected thereto for supporting said rail, said apparatus comprising:
- a scanning head located in said runout table a distance away from said camber machine beneath the path of travel of said rail, said scanning head having a plurality of phototransistors arranged in a scanning relation on an axis transverse to the direction of travel of said rail for sensing the presence of said rail in a position above said phototransistor, and
- circuit means for indicating that the presence of said rail has been sensed;
- circuit means for isolating the signal from the phototransistor furthest from the centerline of said mill which has sensed the presence of said rail;
- and
- circuit means for indicating from which of said phototransistors said signal originated wherein said indication is analogous to said camber.
Dependencies are inferred from the claim text.