The utility model relates to a beiLei beam bracket supporting unloads knockout case, including a base and a core section of thick bamboo, the base includes bottom plate and first spiral pipe, on the bottom plate is located to first spiral pipe, be equipped with fine sand layer in the first spiral pipe, the bottom trompil of first spiral pipe, a core section of thick bamboo includes roof and second spiral pipe, on the roof is located to the second spiral pipe, be equipped with concrete layer in the second spiral pipe, a core section of thick bamboo is located on the base, the roof keeps the level, the second spiral pipe of a core section of thick bamboo is put into in the first spiral pipe of base, fine sand layer with the concrete layer contact. The utility model discloses having simplified the support and having unloaded systematic installation dismantlement work, the support of can more effectively controlling well unloads the terminal -velocity degree, makes the cast -in -place beam line type and the slope more accurate, very big improvement the support unload the security of construction, make the case roof beam can reach the anticipated pleasing to the eye degree of design pouring the completion, construction cost has been practiced thrift to a certain extent.