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As the railroad has evolved from block stations and control towers to a centralized dispatching system, they have also moved to more advanced inspection tools. The technologies in use today vary from a simplistic paddle and switch to infrared thermography, laser scanning, and even ultrasonic audio analysis. These devices are used to inspect ...
Rail inspection cars and HiRail trucks are the answer to today's high mileage inspection needs. The first rail inspection cars were created by Dr. Sperry. Since then, many new models have rolled out. These rail inspection cars are basically their own train with inspection equipment on board. The probes and transducers are mounted on carriages ...
Since the 1990s, Loram has also been offering rail inspection services. Loram adapts commercial consumer vehicles for use on rails, and has developed a computerized, laser inspection system which compares the rail to a pre-determined profile in order to identify damage. Each rail is identified using its Differential GPS location. The rail ...
Sperry Rail Service (reporting mark SRSX) is a rail inspection company founded in 1928 by Elmer Ambrose Sperry. [1] The company was the first in the world to offer nondestructive testing of railroad tracks. Since its formation, Sperry has been contracted by most of the major railroads in North America to inspect rail. To accomplish this task ...
The steel bridge built in 1958 collapsed onto Interstate 25 Oct 15, when a broken rail caused 30 cars from a BNSF Railway train hauling coal to derail, the National Transportation Safety Board ...
Standard North American installation of a combination hot box / dragging equipment detector. A defect detector is a device used on railroads to detect axle and signal problems in passing trains.
Rail bridge inspection - Rail vehicles that have specialized equipment, such as Aerial work platforms to enable access the bridge. Dynamometer cars - Rail car that measure locomotive performance, such as traction effort, speed, etc. [2] Track geometry cars - Rail car that collects information on track properties, such as banking of curves ...
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