Method for preventing an inadmissibly high speed of the load receiving means of an elevator
A technology of elevator car and running speed, which is applied in transportation and packaging, sustainable buildings, elevators, etc. It can solve the problems of old and weak people being injured, passengers' discomfort, fear, etc., to achieve low cost, avoid safety braking, The effect of improving availability
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[0031]Figure 1A is a schematic illustration of an elevator installation with a cable drive. The figure shows an elevator shaft 1 with a machine room 2 and a floor entrance 3 . Arranged in the machine room 2 is a drive machine 4 which draws and drives an elevator car 8 guided on guide rails 7 via a drive pulley 5 and a support cable 6 . The drive machine 4 has a drive motor 9 with an electromechanical drive brake 10 . The direction of rotation, rotational speed and drive torque of the drive motor 9 are adjusted by a speed regulating device 14 , wherein the speed regulating device receives a control command from an elevator control unit 15 . Mounted on the elevator car 8 are two safety brakes 18 which are activated, for example electromagnetically, with which the elevator car 8 can be braked and brought to a standstill in an emergency. 20 denotes a scale extending over the entire travel path of the elevator car 8 , said scale having a plurality of binary-coded parallel code tr...
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