The invention relates to a light-operated safety handle, which comprises a handle bar, a revolving drum and an induction ring; the induction ring fixedly sheathes the handle bar; the revolving drum sheathes the end part of the handle bar; a ring illuminator of which the axis is superposed with the handle bar is arranged in the induction ring; circular arc-shaped light sensitive elements concentric with the ring illuminator are also arranged in the induction ring; the circular arc-shaped light sensitive elements are electrically connected with a speed regulating system; a ring light scattering plate is fixedly arranged in the revolving drum; one side face, which is near the opening of the revolving drum, is provided with a strip reflecting mirror arranged along the radial direction of the light scattering plate; positions, on the induction ring, of the arc-shaped light sensitive elements are matched with a position that light emitted from the ring illuminator irradiates after being reflected by the strip reflecting mirror. The light-operated safety handle is simple in structure and long in service life, is capable of accurately regulating vehicle speed and has a safety warning function.
Light-operated safety handle
2015-05-27
Patent
Elektronische Ressource
Englisch
MANUALLY OPERATED HANDLE FOR ELEVATOR HOISTING MACHINE
Europäisches Patentamt | 2018
|