Monitoring and warning device for rock burst in coal mine
US12234732B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2024 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Aug 6, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present disclosure provides a monitoring and warning device for rock burst in coal mine, which is configured for monitoring a rock mass in a drill hole, the monitoring and warning device for rock burst in coal mine includes: an integration rod, radial adjustment components, a plurality of bases, and a measuring instrument, the integration rod is extended into the drill hole; the radial adjustment components are provided on the integration rod, and have a plurality of radial adjustment ends; a plurality of bases are correspondingly provided in the radial adjustment ends, and the bases are further connected with attachment components through elastic components, and the attachment components are embedded with first strain gauges; the measuring instrument is rotatably provided in the integration rod, and is used to measure the distance between the measuring instrument and the attachment components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.