Spiral impact drilling machine applicable to rock and soil and construction method
US11555351B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2021 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | Oct 6, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/445
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A spiral impact drilling machine applicable to rock and soil and a construction method are provided. The drilling machine includes a rock chiseling part, a soil drilling part, a gear, a drill rod, and a drill bit. The rock chiseling part includes an air cylinder. A piston is arranged in the air cylinder. The top of the piston is fixedly connected with to a turbine fan blade. The bottom of the piston is fixedly connected to a force transferring component. The soil drilling part includes a motor. The motor is arranged in the force transferring component. The inner part of the gear is in nested connection with the drill rod. The outer part of the gear is in engaged connection with each of the bottom of the force transferring component and the motor. The bottom of the gear is fixedly connected to the drill rod through a stress component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.