Limiting support for building material stacking

The utility model relates to the technical field of stacking equipment, and particularly discloses a limiting support for stacking building materials. The device comprises two bottom plates which are detachably connected with each other through a connecting mechanism, and a plurality of connecting rods which are arranged on the bottom plates, limiting plates are hinged to the top of the bottom plate and the two ends of the bottom plate in the length direction, and an adjusting mechanism connected with the limiting plates is installed on the bottom plate. Through the arrangement of the adjusting seat, when the device is placed on the ground for stacking pipes and the ground is uneven, the distance between the bottom of the adjusting seat and the bottom plate can be adjusted, so that the device can be stably placed on the ground, the pipes can be conveniently stacked, and when the device is not used, the device is convenient to use. The two bottom plates, the connecting shell and the connecting rod can be detac