The disclosure relates to a speed monitoring device for measuring a rotational frequency or rotational speed of a main drive shaft of a passenger transportation system. For this purpose, said speed monitoring device comprises at least one rotational speed sensor having an input shaft, a pinion, and a tapping device which can be arranged on a shaft casing surface of the main drive shaft of a passenger transportation system. Furthermore, there is also a bracket for attaching the rotational speed sensor and the pinion in a stationary position relative to an axis of rotation of the tapping device, the tapping device having a gearing which can be coupled to the pinion in a rotation-transmitting manner, and the pinion being rotatably mounted in the bracket at two bearing areas.
SPEED MONITORING DEVICE OF A PASSENGER TRANSPORTATION SYSTEM
2022-12-22
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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