Portable support can be dismantled in outdoor installation of high residential building building maintenance

The utility model relates to a portable support can be dismantled in outdoor installation of high residential building building maintenance, include: horizontal support frame, horizontal support frame middle section lower part is provided with preceding support frame, the horizontal support frame rear end is provided with the back support frame, back support frame upper end and lower extreme are provided with spiral lifting device respectively, back support frame is swing joint with horizontal support frame, preceding support frame is swing joint with horizontal support frame. The utility model discloses portable support can be dismantled in outdoor installation of high residential building building maintenance, simple structure, safe and reliable and low price when carrying installation, easy preparation, operation easily to solved to a certain extent that the outdoor installation of high residential building building maintenance operation safety has a big risk, uneconomical this difficult problem. The application of this support also can extend to the regional area operation that the construction period needs outdoor operation, can adopt a plurality of supports to install the springboard realization combination of middle shop side by side when the window is not installed and use.