Fast-assembly type construction support

The utility model provides a fast installation type construction support, relates to construction support technical field, the fast installation type construction support comprises a support panel and a telescopic device, the bottom of the support panel is fixedly connected with a support, the side face of the support and the side face of the support panel are provided with a fixing column in an inserted mode, the surface of the fixing column is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the telescopic device. A connecting frame is fixedly connected to the surface of the support, a notch is formed in the bottom of the support, an extension frame is slidably connected into the notch, an anti-skid supporting column is fixedly connected to the bottom of the extension frame, round holes are formed in the surface of the extension frame and the surface of the support, bolts are inserted into the round holes, and a protection device is arranged on the side face of t