Adjustable gas detection device for coal bed
US11497361B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 10, 2019 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Jan 18, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention discloses an adjustable gas detection device for coal bed comprising a detection direction adjustment assembly, a suction head angle adjustment assembly and an analysis bin, wherein the suction head angle adjustment assembly includes a suction head first-level angle adjustment assembly and a suction head second-level angle adjustment assembly, and the suction head first-level angle adjustment assembly includes a suction head that sucks a gas through a suction pump and sends it into the analysis bin through a suction pipe for analysis; the detection direction adjustment assembly and the suction head angle adjustment assembly jointly adjust a position and a direction of the suction head. The gas detection device for coal bed of the present invention has many degrees of freedom, can quickly complete the angle adjustment, and realizes rapidly-oriented detection, as well as having advantages of high control efficiency, rapid response, flexibility and reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.