| 摘要 |
PURPOSE:To facilitate the cleaning for the under-floor part of a large-sized vehicle which is suspended by a ram in free elevation by suspending the right and left vertical arms in pairs onto a supporting member which can freely shift horizontally along a pair of rail members laid onto a ceiling and installing an injection member at the lower edge of the vertical arm. CONSTITUTION:A pair of rail members 6 are laid on a ceiling part, keeping a prescribed interval, and a supporting member 8 is suspended in free traveling through a plurality of pulleys 8 so as to cross with the rail member 6. The supporting member 8 is constituted by connecting two supporting plates 7a and 7a through a plurality of connecting plates, and traveled by turning a driving wheel 8a as a part of the pulley 8 by the drive of a driving motor 12. The right and left opening and closing traveling bodies 14 are installed onto the supporting members 8 so as to shift in the transverse direction, and shifted through a link mechanism 15 by the operation of a cylinder 16. The right and left vertical arms 18 in pairs are suspended onto the traveling bodies 14, and injection members 19 having a number of injection nozzles 20 on the upper surface are installed in the nearly horizontal state at each lower edge.
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