The utility model belongs to a stand column capable of being disassembled or combined and used for tower ascending equipment. The stand column comprises a stand column body. The stand column body is divided into an upper half stand column body and a lower half stand column body. The upper half stand column body and the lower half stand column body are connected through hinges. Locating sleeves are arranged on the inner side of the lower end of the upper half stand column body and the inner side of the upper end of the lower half stand column body respectively. Locating pins are arranged in the locating sleeves. A sliding rail is arranged at the lower end of the lower half stand column body. Guide wheel supports are fixed to the side wall of the upper half stand column body and the side wall of the lower half stand column body respectively. The guide wheel supports are of L types. Two guide wheels are fixed on the longitudinal edge of each guide wheel support. The side faces of the transverse edges of the guide wheel supports are fixedly connected with the side wall of the upper half stand column body or the side wall of the lower half stand column body. The stand column body is formed by the upper half stand column body and the lower half stand column body, when the stand column is not used, the locating pins are pulled out, the upper half stand column body and the lower half stand column body are folded, and therefore the stand column is convenient to transport and store.