专利名称：DRAG ARM-SHAPED INDICATOR 发明人：TODA MASAYUKI,ISHIBASHI
TADASHI,MIZUMOTO HIROSHI
申请号：JP16025380
申请日：19801114
公开号：JPS5785429A
公开日：
pulleys
19820528
专利内容由知识产权出版社提供
摘要：PURPOSE:To exactly display by a drag arm-shaped indicator having high vibrating resistance and high impact resistance by moving a drag arm model by means of an endless belt. CONSTITUTION:Plural detectors 21 to 23 by which to detect the amounts of sending or winding wire by the trunnion winch, middle joint winch, and drag head winch of a drag arm, a drag arm model 27 in which plural arms 35 and 36 are rotatably connected through a supporting point 37 and a rack 38 is provided at a place corresponding to the trunnion of the drag arm, plural servo motors 24 to 26 operating on the detected signals of the detectors 21 to 23, a pinion gear 41 gearing with the rack 38 of the arm model 27, drive pulleys 42 and 45 attached to the servo motors 25 and 26 of the trunnion winch and the middle joint winch, and endless belts 44 and 47 laid on the drive pulleys are provided. By moving the endless belts 44 and 47, the arms 35 and 36 of the model 27 are turned around the supporting point 37.
申请人：MITSUBISHI JUKOGYO KK,CHIYODA KENKI KK,NUNOTANI KEIKI SEISAKUSHO:KK
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