Device for monitoring power transmission belt of power transmission belt drive, particularly for chain monitoring of drive or a safety chain of lifting door, has guide rail adjusted with longitudinal axis of power transmission belt

摘要

The device has a guide rail (7), which is adjusted with longitudinal axis perpendicular to a driving direction of a power transmission belt. A carriage (8) is mounted transversely to the guide rail. A mechanical scanning device is carried in a form of a sliding element or a rotary scanning roller (9) is positioned by the carriage to the power transmission belt.