End-fastening apparatus for lifting rope and elevator system using thereof
US11124387B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2018 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Jul 24, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention provides a pull rope head fixing apparatus and an elevator system using the same, and belongs to the technical field of elevators. The pull rope head fixing apparatus of the present invention is configured to simultaneously fix rope heads of N pull ropes that are arranged in parallel, and includes: a hydraulic cylinder body configured to form a hydraulic cylinder; N first hydraulic sub-cylinders arranged in parallel on the hydraulic cylinder body and communicated with the hydraulic cylinder; and first pistons each disposed corresponding to each of the first hydraulic sub-cylinders. The pull rope head fixing apparatus of the present invention can automatically balance the tensions of multiple pull ropes fixed by it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.