ELECTRIC CYLINDER AS A PROMISING TYPE OF ELECTROMECHANICAL DRIVE OF THE MAIN DOUBLE-LEAF GATES OF SHIPPING LOCKS IN RUSSIA

Abstract

The electric cylinder as a promising type of electromechanical drive for controlling the main miter gates is analyzed based on domestic and foreign experience. It is shown that, for a number of reasons, several different types of electric drives are in operation in Russia, differing from each other in kinematic schemes, operating parameters, dimensions and operational costs. Variety of electric drives types reduces their serviceability, requires the search for spare elements, the performance of repair work by third-party organizations, which, in turn, reduces the productivity of the gateway process. The operated electromechanical and electrohydraulic inputs of the main double-leaf miter gates of navigable locks with a chamber width of about 18 meters are analyzed. It is shown that the results of the drives comparison make it possible to clarify the calculations of the required power and load capacity, to contribute the development of a single regulatory document regulating the process of designing and selecting the operating parameters of an electric cylinder for specific operating conditions. The data compiled on the basis of foreign and domestic experience in the operation of different types of double-leaf miter gate drives, trends in their development, the reasons for their replacement with more modern drives are obtained. Special attention is paid to the disclosure of the reasons for replacing standard drives with an electric cylinder during the locks reconstruction. It is shown that the accurate calculation of the actually required performance indicators and the correct choice of the electric drive type, based on the conditions of future operation, lead to a noticeable increase in the life cycle of the shipping lock and its mechanisms.