GANG FORM AND DOOR APPARATUS FOR GANG FORM

摘要

The present invention relates to a door apparatus for gang form. According to an embodiment of the present invention, the door apparatus for gang form comprises: a door frame including a bottom entrance and a door for opening and closing the bottom entrance, and installed in a walk plate of gang form; and a ladder part installed in the lower part of the door frame, and for allowing a worker to walk up and down. The ladder part includes: ladder members to be expanded in the telescopic form; a vertical guide part vertically installed below the door frame; a door operating shaft installed to be vertically moved along the vertical guide part, and vertically moved along unspreading or spreading of the ladder member; and a door rotating member to rotate the door by using a linear moving force of the door operating shaft. The door is opened by the door rotating member receiving the linear moving force of the door operating shaft moving downwards when the ladder members are spread, and closed by the door rotating member receiving the linear moving force of the door operating shaft moving upwards when the ladder part is unspread.;COPYRIGHT KIPO 2016