| 摘要 |
<p>The invention relates to an insert for controlling a gas control valve in a turbine casing, of the type arranged in a receiving element formed on the turbine casing. The insert is arranged in the opening-closing control mechanism of the safety valve and is internally hollow so as to receive a through-shaft coupled to a rod cooperating with a lever associated with the operating control of the safety valve, while the other end of the shaft faces the safety valve. The invention is characterised in that: the insert (20) is a cylindrical one-piece part having a shape that allows axial and rotational immobilisation; the insert is positioned in a casting mould to allow the corresponding part of the turbine casing to be cast around said insert, by means of overmoulding; and the connection between the insert and the corresponding area of the turbine casing ensures the axial and rotational immobilisation.</p> |
