The utility model relates to a shield constructs the field of missing the stop, concretely relates to shield constructs steelframe that misses stop, including steelframe base, guide rail floorbar andguide rail, the steelframe base passes through bolted connection with the guide rail floorbar, and the guide rail adopts set -square fastened by welding with the guide rail floorbar, whole steelframebase is processed into pin, before the installation with demolish after the handling of being convenient for, can completion very fast the miss the stop equipment of steelframe and the work of demolising improve the shield and construct high efficiency, practicality and the economic nature of missing the stop within little spatial dimensions, guarantee the swift completion of missing the stop of shield structure.