Temporary supporting device for net rack installation

The utility model relates to the technical field of net rack installation, and discloses a net rack installation temporary supporting device which comprises supporting columns, threaded rods are installed on the inner walls of the multiple supporting columns, a lifting plate is jointly and fixedly connected to the outer walls of the tops of the multiple threaded rods, and a temporary supporting rod is fixedly connected to the outer wall of the top of the lifting plate. A lifting mechanism for driving the lifting plate to adjust the height is installed on the outer wall of the supporting column, through the lifting mechanism, the second speed reducer can be driven to operate through the servo motor according to needs, then the second speed reducer drives the connecting shaft to rotate, and the two first speed reducers are driven to operate through the connecting shaft; the first speed reducer drives the two worms to rotate, the two worms drive the multiple worm wheels to rotate, so that the threaded rod moves