Preparation process of novel oil cylinder synchronizing device

The invention provides a preparation process of a novel oil cylinder synchronizing device. The device comprises two oil conveying pipe units and a synchronous control unit, wherein the two oil conveying pipe units are arranged side by side and are identical in structure; each oil conveying pipe unit comprises an oil conveying pipe body, and a flow rate synchronous control valve is arranged in theoil conveying pipe body and controls the flow in the oil conveying pipe body; each control valve comprises a valve core, the valve core is provided with a valve core rotating shaft and four valve coreblades uniformly distributed around the valve core rotating shaft, the valve core rotating shaft penetrates through the side wall of the corresponding oil conveying pipe body to extend out of the corresponding oil conveying pipe body, and the end part of the portion, extending out of the corresponding oil conveying pipe body, of the valve core rotating shaft is fixedly provided with a driven gear; and the synchronous cont