FIELD: engines and pumps.
SUBSTANCE: stator of gas turbine with attached combustion chamber comprises diaphragm that consists of two halves and outer semi-ring with installed guide vanes of the first stage. Internal ring with vertical bore that forms two flanges is fixed to vanes lugs. Through coaxial openings are arranged circumferentially in flanges. Cylindrical protrusion is arranged on internal semi-ring back flange along gas flow. Vertical bore contains lugs of vanes internal shelves, where radial groove is arranged between openings. Pin installed in openings and radial groove has head and sections arranged with eccentricity and appropriate radiuses. Two coaxial sections of pin are inserted into flange openings, creating double-support structure, and middle section is inserted into radial groove due to pin turn. Pin is fixed against slipping by flat on head that rests against cylindrical protrusion. Value of cylindrical protrusion is less than value of pin section adjacent to its head.
EFFECT: higher reliability of guide vanes connection to internal semi-rings of diaphragm, and also reduction of labour expenses and increase manufacturability of assembly.
6 dwg
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