MAIN ROPE TENSION MEASURING DEVICE OF ELEVATOR

PROBLEM TO BE SOLVED: To provide a tension measuring device of an elevator, which changes a plan for adjustment work for one set of main ropes according to each tension of the one set of two or more main ropes, and informs the same to a maintenance person.SOLUTION: This tension measuring device of an elevator includes: a detecting means 11 for detecting the quantity of state related to the tension applied to the plurality of main ropes on which a car and a counterweight are hung, respectively; a tension calculating means 12a for calculating each tension of the plurality of main ropes based on the detection value detected by the detecting means 11; plan making means 16, 46 for making a plan for adjustment work for the plurality of main ropes based on each tension of the plurality of main ropes calculated by the tension calculating means 12a; and a display device 21 of a portable terminal device 14 for displaying the plan for the adjustment work.