Process and device for supporting anchor bolt and anchor cable on successive mining working face
US11208888B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Oct 25, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D20/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A process for supporting an anchor bolt and an anchor cable on a continuous mining working face is provided. A four-arm top anchor bolt drill carriage serves as a front carriage, a six-arm side anchor bolt and top anchor cable and top anchor cable drill carriage serves as a rear carriage, and the two carriages are arranged in a front-rear direction to work in parallel. Four anchor bolt drill machines of the four-arm top anchor bolt drill carriage face to a top plate. Two drill machines are disposed in front of the six-arm side anchor bolt and the top anchor cable drill carriage. At a distance of four meters away, another two drill machines are disposed. Two top anchor cable drill machines are disposed in a middle of the anchor bolt drill machines and face to the top plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.