Method for replacing a tunnel boring machine roller cutter, handling device and roller cutter suited to such a method
US9429016B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2010 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Jun 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53991
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a method for replacing a disk cutter (1) mounted with preload in a casing (2) attached to the cutting head of a tunnel boring machine, operated using a disk cutter (1) bearing, firmly attached thereto, an element (4) for locking into the housing (2) and preloading means (5), the method involving the steps of: a) removing a worn disk cutter (1) from said housing (2): • clamping a disk cutter (1) handling device (3) onto the housing (2); • taking hold of the disk cutter, • releasing the preload, • unlocking, • extracting the disk cutter (1), • unclamping the device (3), b) fitting a replacement disk cutter (1) in reverse order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.