Drive device of a regulation valve for casting liquid metal

摘要

A device for driving a regulation valve for casting liquid metal contains a main rod controlling the opening and closing of the valve, and a coupler linking the main rod and the valve. The device also contains a coupler controller able to activate and deactivate the coupler, enabling linkage and detachment of the main rod and the valve.

主权项

1. Device for driving a regulation valve for casting liquid metal, comprising a main rod having a longitudinal dimension, the main rod controlling the opening and closing of the valve by manipulation of an element of the valve in a longitudinal direction, and a valve—main rod coupler, wherein the device further comprises a coupler controller configured to control the valve—main rod coupler, wherein the coupler controller comprises a coupling piston connected to a coupling rod wherein the device further comprises a driving device exterior casing configured to be at least partially received in a valve exterior housing, wherein the device further comprises a main piston connected to the main rod, and wherein the device further comprises a fixing piston configured to clamp the driving device exterior casing relative to the valve exterior housing, and wherein controlling, coupling the valve and the main rod, and decoupling the valve from the main rod are performed in a longitudinal direction.