Underwater repair system for cavity region of concrete panel rock-fill dam panel
US11198984B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 13, 2019 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Feb 13, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided is an underwater repair system for a cavity region of a concrete panel rock-fill dam panel, including a moving platform, a work cabin, a pressure drainage apparatus, a traction apparatus, and a positioning apparatus; the traction apparatus controlling the movement of the moving platform on the surface of a dam concrete panel; the positioning apparatus transmits a detection position; the work cabin is a pressure cabin, the work cabin being connected to the pressure drainage apparatus, and a drill apparatus and grouting apparatus being arranged in the work cabin; the moving platform moves into the cavity region, and the pressure drainage apparatus starts up to drain the water in the work cabin, a partially closed waterless space being formed inside the work cabin, the drill apparatus drilling the concrete panel at the upper end of the cavity region and the grouting apparatus subsequently implementing grouting to complete the repair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.