DEVICE FOR PERFORMING WORK ON UNDERWATER PARTS OF HYDRAULIC ENGINEERING STRUCTURES Russian patent published in 1999 - IPC

FIELD: hydraulic engineering. SUBSTANCE: device is intended for performing work on underwater parts of hydraulic engineering structures made in the form of sheet-pile wall. Device has framework with ballast compartment and sealing unit, fixing parts, and unit for pumping out water. In addition, device is provided with air compartments giving floatability to framework. Air compartments are made in side walls of framework. Ballast compartments are arranged in framework bottom and in its side walls. Installed in upper part of framework are fixing members of static position. Water pumping out unit is located directly in framework. Aforesaid embodiment of device is simple in operation and it allows for performing work without removing hydraulic engineering structure from normal functioning. EFFECT: higher efficiency. 3 dwg