Resin manhole cover hydraulic press usually adopts three-beam and four-column structure, which consists of machine body, main cylinder, travelling limiting device, etc. connected by pipeline and electrical system to form a whole.The machine body consists of upper beam, movable beam and lower beam connected by eight columns to form a closed frame, and the movable beam is connected with the piston rod of the main cylinder by flange, and it moves up and down along the guide of the columns.The hydraulic system adopts integral cartridge valve integration technology, which reduces the leakage point, reliable action and long service life.The core electrical components of the equipment are of Schneider brand, and the lines of the switchboard are clear, and the electrical schematic diagram is attached with the shipment, which is convenient for users to operate and maintain.