摘要 |
FIELD: transport. ^ SUBSTANCE: invention relates to lifts with motion control device. Lift contains cabin, electronic unit for motion control and regulation, detector for lift cabin momentary location determination. The detector contains two wheels which contacts with guiding rail. Each wheel actuates the detector. Detector signal sets rotation angle value or rotation speed of corresponding wheel. Electronic unit receives detector signal, compares two signals of detector. ^ EFFECT: reliable lift cabin top speed recording. ^ 20 cl, 13 dwg |