Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1977-08-23
1980-03-11
Engle, Samuel W.
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
294 86A, 414146, G21C 1920, B66C 1708, B66C 110
Patent
active
041927150
ABSTRACT:
The proposed system for handling fuel assemblies of a nuclear reactor comprises a sealed chamber housing a recharging machine comprising a carrier tube, wherein there is arranged a manipulator tube interacting with a reduction gear. Inside the manipulator tube there is a grip suspended on a chain interacting with another reduction gear. Extending through an opening in the cover of the sealed chamber is a vertical rotary tube with a bracket mounted thereon. The carrier tube is suspended on the bracket. Installed in the wall of the sealed chamber are inductive transmitters of the manipulator tube position. The system further includes three drives located outside the sealed chamber, of which two are kinematically coupled to the reduction gears, respectively. The third drive is kinematically coupled to the vertical rotary tube and turns the tube through a prescribed angle. Placed inside the vertical rotary tube are those shafts of the first two drives, which extend through the opening provided in the cover of the sealed chamber. As the vertical rotary tube turns, the manipulator tube interacts with channels arranged on the path of its movement, as well as with the respective transmitters of the manipulator tube position. The invention raises the reliability of nuclear reactors and reduces down time in the course of fuel recharging and maintenance of the fuel recharging equipment.
REFERENCES:
patent: 3082893 (1963-03-01), Hollings
patent: 3341423 (1967-09-01), Costes
patent: 3580804 (1971-05-01), Paget
patent: 3756914 (1973-09-01), Whittaker
patent: 3909350 (1975-09-01), Dupuy
patent: 3990591 (1976-11-01), Street
Batjukov Vladimir I.
Borodin Ivan V.
Chernomordik Evgeny N.
Fadeev Alexandr I.
Korolkov Konstantin I.
Engle Samuel W.
Walsh Donald P.
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