The utility model discloses flat coal device belongs to the special coke pushing instrument technical field of coking production, and the compaction can be carried out to the coal at flat coal in -process to the purpose to improve the volume of fillling coal. Including flat coal pole, flat coal pole includes a set of flat coal board and installs in the curb plate at flat coal board both ends, still includes the dabber and bulldozes the board, the dabber lies in between the two adjacent tie coal boards, and the dabber both ends can dismantle with the curb plate and be connected, and height such as dabber circumference surface minimum and flat coal board bottom surface perhaps are higher than flat coal board bottom surface, bulldozing board and dabber and in the coplanar, just bulldozing board one end and articulate with the dabber, the other end is the free end. The utility model discloses a self gravity that the utilization bulldozed the board is with the coal compaction to the volume of fillling coal has been improved.