SC100/100 construction elevator is double cage without bobweight which is driven by joggling of gear and rack; It is a vertical conveyance personnel and materiel which is used to carry person and materiel. This construction elevator frequently uses in high level industry and the civil construction, it may greatly enhance the construction efficiency, the construction quality and the mechanized construction degree, reduces the operating charges, reduces the labor intensity. Because it has hoist by itself characteristic, thus obtained the widespread application in the construction. It can demonstrate comparatively other construct hoisting machinery the superiority. The attached mode is direct attach, the structure is simple, the installment is convenient, the distance is 9 meters; Also it can be according to a user demand, it can be installed two transition frames between every distance.