Medical crane tower arm system and rotary shaft used in the medical crane tower arm system

摘要

The present invention relates to a medical crane tower arm system and a rotary shaft used in the medical crane tower arm system. The medical crane tower arm system includes an anchor plate for fixing to a top structure in a mounting space of the medical crane tower arm system, a lower portion thereof forming a rectangular flange, and an upper portion thereof directly on the anchor plate. Alternatively, a first rotating shaft comprising a shaft outer ring that forms a circular flange that is fixed via an extension column, a shaft inner ring, and a ball spacing member installed between the shaft outer ring and the shaft inner ring, A first arm fixed to the rectangular flange of the first rotating shaft in the vicinity of one end thereof. The medical crane tower arm system according to the present invention has a compact overall structure, facilitates installation, shortens installation time, reduces parts, and selectively attaches an electromagnetic brake or airbag brake. There is a technical effect that can be done.