| 摘要 |
PURPOSE: A driving device of an automatic revolving door is provided to rotate the ceiling plate stably without vibration, and to keep the horizontal balance in mounting the ceiling plate early by mounting first and second guide roller parts in a lower frame. CONSTITUTION: An automatic revolving door is composed of an outer wall(1) having an entrance, a cover(2) arranged in the upper part of the outer wall and composed of outer fixing frames(10,11), and a ceiling plate(5) combined with a sliding door(3) and a rotating door(4). A cross fixing bar(20) is fastened and installed to the upper outer fixing frame, and upper and lower frames(30,31) are combined with the upper part of the ceiling plate. A couple of driving units(40) are installed corresponding to the fixing bar to rotate the upper frame. A couple of rotation supporting units and a couple of driving units are arranged in the outer periphery of the outer frame to prevent eccentric rotation of the upper frame. |
