(19)
(11) EP 0 195 454 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.06.1987 Bulletin 1987/25

(43) Date of publication A2:
24.09.1986 Bulletin 1986/39

(21) Application number: 86103863

(22) Date of filing: 21.03.1986
(84) Designated Contracting States:
DE FR GB

(30) Priority: 22.03.1985 JP 5617185

(71) Applicant: HITACHI, LTD.
 ()

(72) Inventors:
  • Fujitani, Yasuo
     ()
  • Otake, Katsumoto
     ()
  • Ohshima, Yoshikuni
     ()
  • Izumi, Shigeru
     ()

   


(54) Working robot used for the water chamber of the heat exchanger


(57) A working robot (1) positioned within a water chamber (3) of a heat exchanger comprises a body (11) of the working robot having an arm (16) rotatably mounted therein for supporting a working device (7), a unit (12) for supporting the body which is provided on the body, rails (17) for guiding the movement of the body and a unit (19) for supporting rails provided on both ends of the rails, the rails being composed of at least three sets of members (17A, 17B, 17C), a plurality of support shafts (21, 22) which are inserted into the interior of heat transfer tubes (25) of the heat exchanger such as to fixedly abut against the inner surface thereof being mounted on the body support unit and the rail support unit in the direction of the central axis of the heat transfer tubes.






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