| 摘要 |
The present invention relates to an installation structure of an escape ladder that is installed in an opening part of an interlayer floor in order to enable it to be moved between floors, which comprises: a bracket that is fixed and installed on one side of the opening part; a winch unit to which one end of a wire is connected and a wire drum, which is rotatably installed to the bracket to tie or untie the wire, is included; a ladder member, whose upper part is rotatably hinged on the bracket and its lower part is connected to other part of the wire, which includes a pair of support poles that are connected to other end of the wire, wherein multiple pipes connected in the vertical direction are either stretched out in telescopic type to be lengthened or overlapped to be shortened and multiple horizontal axes, which are connected between the pair of support poles in the horizontal direction. In each of the pair of support poles, a second wire, which connects each pipe of the multiple pipes to adjacent pipes, is installed so that each pipe are not broken away from the adjacent pipe in case of the multiple pipes are stretched out. According to the present invention, the escape ladder can be stored inside the floor of veranda and the length of the ladder member can be extended downward. |
