Wheelset Diagnostics Systems

HEGENSCHEIDT ARGUS®TRAM - Wheelset diagnostics for streetcars and metro vehicles

ARGUS wheelset diagnostics systems from HEGENSCHEIDT include automatic monitoring of wheelsets in drive-through operation using modern, economical measuring methods and documentation in a database. The system makes it possible to monitor the ever tighter tolerances and operating limits required for increasing speeds and improving safety, ride comfort and operational reliability. The modular design of the ARGUS wheelset diagnostics system allows economical adaptation to the customer's measurement requirements.

Application and use

ARGUS®Tram is a stationary wheelset diagnostics system for wheels of rail vehicles on the track, which was specially developed for streetcars and metro vehicles. The system measures the wheelsets in through-track operation at speeds of up to 20 km/h. It is designed for both workshop and outdoor use.

The TRAM system is designed to be easily installed in an elevated maintenance aisle. This allows the operator to quickly measure the wheels of his vehicles as they enter and exit the maintenance bay in the shortest possible time. A special short rail is installed above the steel trough to allow the sensors to detect the profile.

Added value

Automatic wheelset inspection in through-track operation
Non-contact measuring principle
Calibration interval > 1 year
Interface to the HEGENSCHEIDT wheelset reprofiling machine
Interface to the HEGENSCHEIDT TWM wheelset management system

Function

Upon entering the measurement section, vehicles are automatically identified and the wheels are measured simultaneously at multiple points using the light-section method. The curvature of the wheel is recorded at the level of the measuring circle. In addition to the profile contours, the distance between the wheel discs in the wheelset is determined, so that relevant variables such as toe and guide dimensions are also recorded.

When measuring the wheel profile, the entire contour is recorded. This makes it possible to adjust the measured values to the customer's requirements.

Highlights ARGUS®TRAM

Machine specification

Main dimensions and operating data
Track width	~ 1,435 mm*
Wheel center distance	Nominal dimension ± 3 mm
Center distance in bogie, min.	1,300 mm
Wheel profiles (according to BoStraB)
Axle load, max.	130 kN
Measuring range measuring circle diameter	400 ... 900 mm
Passing speed without measurement, max.	30 km/h
Passing speed for measurement	3 ... 12 km/h
Speed fluctuation during measurement	± 10 %
Length of the system	~ 7,000 mm
Width of the measuring module	~ 2,500 mm
Dimensions of base unit (control cabinet) (DxWxH)	600mm x 1,400mm x 2,100mm
Track leading and trailing straight line each	~ 10 m
Evaluation speed
Train units (≤ 70 wheel sets)	~ 1 min. after the end of the train passage
Time between 2 measurements	~ 5 min.
Connection data
Designed according to VDE, EN and IEC regulations - buyer's electrical regulations are taken into account as far as confirmed
Power supply	400 V, 3 phases, 50/60Hz
Total connected load	10 kVA

* or according to customer requirements

Success story with the Potsdam transport companies

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