Large-span walking type steel box girder pushing construction equipment

The invention relates to large-span walking type steel box girder incremental launching construction equipment, and relates to the field of bridge construction. The lifting device comprises a lifting seat, a jack and a plurality of limiting seats, the limiting seats are arranged on a support, the lifting seat is vertically arranged on the support in a sliding mode, the limiting seats are used for supporting the lifting seat, the jack is arranged on the lifting seat, and a fixing device used for fixing the jack is arranged on the lifting seat. A driving device for driving the lifting seat to lift is arranged on the bracket; and a control device for controlling the limiting seat to move is arranged on the bracket. The jack has the effect of solving the problem that an operator is inconvenient to mount and dismount the jack at high altitude. 本申请涉及一种大跨度步履式钢箱梁顶推施工设备，涉及桥梁施工的领域。其包括升降座、千斤顶以及限位座，限位座在支架上设置有若干个，做升降座竖直滑移设置在支架上，且所述限位座用于支撑升降座，千斤顶设置在升降座上，升降座上设置有用于固定千斤顶的固定装置，支架上设置有用于带动升降座升降的驱动装置，支架上设置有用控制限位座移动的控制装置。本申请具有解决操作