Method and apparatus for installing free standing turbine blades

Details Method and apparatus for installing free standing turbine blades Method and apparatus for installing free standing turbine blades

1986-09-29

1987-12-08

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29525, 29526R, 416221, B21K 304, B23P 1504, B64C 2748, F01D 532

Patent

active

047110074

ABSTRACT:
An improved method and apparatus for installing rotatable, free standing turbine blades upon a rotor, includes coupling a locking device which substantially conforms to the curved arcuate surfaces of the blade to the bottom of the blade, and thereafter inserting the blade and locking device within a serration formed in the surface with the rotor, the combination being inserted from an inlet side thereof. A tapered shim is then inserted between the locking device at a relieved portion thereof and the bottom of the serration from an exit side thereof. The shim is tapped into place until no root movement occurs, thereby securing the blade within the serration, and preventng galling of the blade root portion or damage to the blade by eliminating the necessity for tapping the blade.

REFERENCES:
patent: 3039740 (1962-06-01), Hockert
patent: 3045329 (1962-07-01), Carli et al.
patent: 3057598 (1962-10-01), Boyle et al.
patent: 3378230 (1968-04-01), Toomey
patent: 3700354 (1972-10-01), Memery
patent: 4050134 (1977-09-01), Warner
patent: 4130379 (1978-12-01), Partington
patent: 4466776 (1984-08-01), Camboulives
patent: 4533298 (1985-08-01), Partington et al.

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