Monitoring and adjusting system for seat bottom self-elevating underwater leveling frame

Abstract

The invention discloses a monitoring and adjusting system for a seat bottom self-elevating underwater leveling frame. The system comprises four underwater pressure sensors, a positioning GPS, a data sending unit, a temperature-salinity-depth instrument and a data processing and displaying module, the four underwater pressure sensors are close to the four hydraulic supporting legs respectively andinstalled on a rectangular frame of the leveling frame, the positioning GPS and the data sending unit are exposed out of the water surface and installed on the measuring tower, the measuring tower isfixed to the rectangular frame of the leveling frame, and the temperature-salinity-depth instrument is installed on a hopper or a trolley of the leveling frame. The data processing and displaying module comprises a computer, a data receiving unit and a data processing unit, and the data processing unit obtains the telescopic amount of the four hydraulic supporting legs through calculation. According to the leveling device, the telescopic amount of the four hydraulic supporting legs of the leveling frame can be obtained, the telescopic amount is sent to the hydraulic control system, and then height adjustment of the hydraulic supporting legs can be achieved.

Description

technical field [0001] The invention relates to a leveling frame monitoring and adjustment system, in particular to a bottom self-elevating underwater leveling frame monitoring and adjustment system. Background technique [0002] At present, more and more water transportation projects need to carry out the leveling work of the underwater foundation bed, such as port docks, revetment dams, immersed tube tunnels and other projects. There are many types of leveling devices. For large offshore platform leveling ships with lifting legs, the elevation of the bottom surface of the scraper is usually calculated by GPS and inclinometers. However, this type of platform leveling ship is expensive and complicated to operate. Generally, they are customized for special projects, with poor versatility, and there is a high risk in plugging and pulling out piles. The inclinometer only reflects the inclination angle at its installation location, and cannot obtain the overall inclination situ...

AI Technical Summary

Problems solved by technology

There are many types of leveling devices. For large offshore platform leveling ships with lifting legs, the elevation of the bottom surface of the scraper is usually calculated by GPS and inclinometers. However, this type of platform leveling ship is expensive and complicated to operate. Generally, they are customized for special projects, with poor versatility, and there is a high risk of plugging and pulling piles

The inclinometer only reflects the inclination angle at its installation location, and cannot obtain the overall inclination situation

For the underwater simple frame leveling frame, due to the different lifting heights of the hydraulic outriggers and the rigidity of the structure, there is a certain degree of deformation, and it is difficult to use GPS and inclinometers to calculate the accurate height of the scraper.

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