FIXING METHOD AND APPARATUS OF CABLE FOR PULLING AND ROTATING ROTARY MECHANISM

PROBLEM TO BE SOLVED: To provide a fixing method and an apparatus of a cable for pulling and rotating a rotary mechanism which prevent an excess twist and an excess bend on the cable, achieve the rotary mechanism in space saving and improve durability of the cable. SOLUTION: An observing apparatus i...

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Hauptverfasser: ISHIYAMA HIROYUKI, IWASAKI IKUO, TAKIMOTO HIDETOSHI, NAITO KIYOSHI, KOBAYASHI KENGO, TSUGANE KOICHIRO, YAMAMOTO KAZUNARI, SAKOU NAOHIRO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a fixing method and an apparatus of a cable for pulling and rotating a rotary mechanism which prevent an excess twist and an excess bend on the cable, achieve the rotary mechanism in space saving and improve durability of the cable. SOLUTION: An observing apparatus is suspended via the cable 43 in a tank filled with LPG, etc., and rotates to observe an inner wall of the tank. The observing apparatus comprises a rotating cylinder 48 accommodating an image pickup part, a fixed tube 42 accommodating a motor, etc., to rotate the rotating cylinder 48 and the rotary mechanism 50 coupling the fixed tube 42 and the rotating cylinder 48. The cable 43 is spirally wound on a joint pipe 2 supporting a fixed side of the rotary mechanism 50 provided in the fixed tube 42. The cable 43 is inserted and passed through a flange 3 on a rotating side of the rotary mechanism 50 to allow moving in the direction of an axis and connected to a connecting terminal in the rotating cylinder 48.