The invention relates to the field of elevator safety, in particular to a position limiting device safety tong linkage automatic test method. A control system is used for sequentially and automatically detecting a position limiting device and safety tongs. After the method is adopted, the detection automation is realized, the manual operation flow process is simplified, and the regular repair and maintenance on an elevator is really realized.
Position limiting device safety tong linkage automatic test method
2015-04-29
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |
Separated type linkage and lifting mechanism for safety tong
Europäisches Patentamt | 2020
|Europäisches Patentamt | 2021
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