STRAIN SENSOR FOR A POSITION MEASURING TAPE OF AN ELEVATOR

The invention provides a strain sensor for a position measuring tape of an elevator, which is used for an elevator with a hanging position measuring tape for detecting a critical change in length of the position measuring tape, the sensor comprising a carrier, comprising a carriage on the carrier, comprising a tape holder on the carriage, comprising a tensioning device between the carrier and the carriage in order to be able to tension a secured positioning tape, comprising a detection device for detecting a critical displacement of the carriage on the carrier on the basis of a critical change in length of a position measuring tape to be mounted, and comprising an adjusting device. 一种用于电梯的位置测量带的应变传感器，用于带有悬挂的位置测量带的电梯，用来探测所述位置测量带的危急的长度变化，带有承载体；带有在所述承载体上的滑块；带有在所述滑块上的带固定器；带有在承载体与滑块之间的张紧机构，以便能够使得被固定的位置带张紧；带有探测机构，用来基于待安装的位置测量带的危急的长度变化探测所述滑块在所述承载体上的危急移动；带有调整机构。