Mining elevator
US9272881B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 25, 2011 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Aug 25, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B17/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A mine elevator is provided having an anti-explosion traction system, an anti-explosion lift car protection system, a flexible guide rail guiding system, a compound lift car, and a counterweight system. The anti-explosion traction system comprises a traction rope tension regulating device, an anti-explosion traction machine, and an anti-explosion control cabinet. The anti-explosion lift car protection system comprises a rope holder, a speed limiter, two hydraulic buffers, a safety clamp, a brake rope, and a brake rope tension buffer device. The flexible guide rail guiding system comprises a steel wire rope guide rail, a guide rail tension device connected to the steel wire rope guide rail and fixed to the an upper platform, a guide rail connection device connected to the steel wire rope guide rail and fixed to a lower platform, and a flexible guide rail guide sleeve fixed to the compound lift car and the counterweight system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.