METHOD AND DEVICE FOR IMPROVING ELEVATOR MAINTAINABILITY

The invention relates to a method and a device for improving elevator maintainability, comprising: selecting an efficient point; performing technical measurement to obtain a load−current changing curve and a current−time changing curve of the car; evaluating a mean value of the curve; generating a threshold; and counting to generate an inevitable remaining life Δt21, wherein Δt21=t2−t1. The inevitable remaining life Δt21 is determined by the abnormal time threshold t1 and the defect time threshold t2, and is only related to the load−current changing curve and the current−time changing curve of the car, so that a user is capable of directly predicting the inevitable remaining life of the elevator, which presents excessive or missing maintenance, saves a maintenance industry, and belongs to the category of original intelligence.