Tundish nozzle quick-change hydraulic control system of continuous casting machine
A technology of hydraulic control system and water inlet, applied in casting equipment, manufacturing tools, casting melt containers, etc., can solve the problems of economic loss, endanger the safety of on-site personnel, product scrapping, etc., and achieve product quality assurance and high movement. Accuracy, the effect of improving the quality of the product
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[0011] Such as figure 1 As shown in the upper part of the figure, the continuous casting machine tundish nozzle quick-change hydraulic control system of the present invention includes two driving cylinders 1, and the piston rods of the driving cylinders 1 are connected to the nozzle gates (not shown in the figure), each The propulsion working chamber of the driving cylinder 1 is respectively connected with the oil port A of a double one-way throttle valve 2 through the hydraulic pipeline, and the return working chamber of each driving cylinder 1 is respectively connected with the double one-way throttle valve through the hydraulic pipeline. The oil port B of 2 is connected, and the oil supply port P of each double one-way throttle valve 2 is respectively connected with the oil port A of a three-position four-way solenoid valve 3 through a hydraulic pipeline, and each double one-way throttle valve The oil drain port T of the valve 2 communicates with the oil port B of the three...
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