Arch foot maintaining device and maintenance method for achieving multi-degree-of-freedom displacement of arch foot
US11066793B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2019 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | May 1, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01D19/042
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An arch foot maintaining device includes a plurality of supporting structures, and the supporting structure includes a base, two base supporting seats, a hydraulic jack, a roller, and a roller supporting seat. The base is a cuboid with equal length and width, a through hole running through side surfaces of the base is provided on the base. A vertical guide groove is provided on each of the two base supporting seats. The roller supporting seat is U-shaped and located between the two base supporting seats, and the roller is rotatably supported in the roller supporting seat. Two ends of a central axis of the roller are respectively located in the two guide grooves, the hydraulic jack is disposed within the base, and a top of the hydraulic jack abuts against a bottom of the roller supporting seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.