Device for cleaning tight flange face

• Main Authors: CHEN YANHUA, CUI ZHONGWEI, CUI JIANBING
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: HAULING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model provides a device for cleaning a tight flange face, which comprises a gasket, a first flange is arranged on the left side of the gasket, a second flange is arranged on the right side of the gasket, a hydraulic expansion separator is arranged between the lower portions of the opposite sides of the first flange and the second flange, the hydraulic expansion separator comprises a shell, and a first expansion plate and a second expansion plate which are parallel are arranged in the shell. A transmission diaphragm is connected to the position, on the left side of the second expansion plate, in the shell, the transmission diaphragm is fixedly connected with a rocking handle, the rocking handle is in threaded connection with the second expansion plate, and the position between the transmission diaphragm and the first expansion plate is filled with hydraulic oil. When a flange sealing surface is cleaned and a gasket is replaced, radial force can be effectively overcome, a gap is formed in the flange