| 摘要 |
PROBLEM TO BE SOLVED: To surely detect wearing of a guide roller used to serve as preventive maintenance. SOLUTION: In this elevator driving linear motor device, in the beginning of use started, a guide roller 10a, while coming into contact with a peripheral surface of a column 6, is rolled, a space distance between the column and a primary side circular coil is fixedly held in circumference each part. Use is advanced or a deviation is generated by any cause, when wearing is advanced of all the guide rollers or specific guide roller, an auxiliary roller 20a of hard material is brought into contact with the column 6. When this auxiliary roller is started to come into contact with the column, a sound different from a running sound till that time is generated, by a change of the running sound, an elevator utilizer and a maintenance person can be aware of advancing in wearing of the guide roller. |
