Protective support for building construction

The utility model discloses a protective support for building construction, which relates to the technical field of building construction and comprises two vertically distributed shell frames, vertical rods are fixedly connected to four corners of one sides, close to each other, of the two shell frames, the lower vertical rod extends into the upper vertical rod and is in sliding connection with the upper vertical rod, and the lower vertical rod extends into the lower vertical rod and is in sliding connection with the upper vertical rod. A height adjusting device for driving the shell frame to slide up and down is arranged between the shell frames, a bearing device is connected between the inner walls of the shell frames in an up-down sliding mode, and the protective support for building construction achieves convenient contact between the protective frame and the top of a wall, so that the protective support is not prone to rollover. 本实用新型公开了一种建筑施工用的防护支架，涉及建筑施工技术领域，包括两个上下分布的壳体框架，两个所述壳体框架相互靠近的一侧的四个角落皆固定连接有竖杆，位