Guide rail device for climbing gang forms

摘要

PURPOSE: A guiderail system for lifting up a gang form is provided to safely lift up a gang form and to fix a pair of guiderails without the fastening of an additional safety pin. CONSTITUTION: A guiderail system(100) for lifting up a gang form comprises a pair of guiderails(110), multiple rail boxes(120), and a fall prevention hanging unit(130). A gang form is fixed to the top of the guiderails and is lifted up along the external wall of a building structure. One sides of multiple rail boxes are fixed to the external wall of the building structure. The guiderails are inserted into the rail boxes to be slidable so that the rail boxes can guide the vertical movement of the gang form. The fall prevention hanging unit restricts the guiderails when the guiderails arrive at an accurate position to prevent the gang form from falling down.