Signal lamp fixing and mounting device

The utility model discloses a signal lamp fixing and installing device which comprises an installing boss fixed on an installing face of a signal lamp, an installing sleeve and an installing plate fixed on the installing sleeve, the installing face of the installing plate is fixedly connected with a threaded sleeve, one side of the installing plate is connected with a threaded bolt matched with the threaded sleeve through a telescopic structure, and the threaded bolt is fixedly connected with the installing face of the installing plate. Clamping mechanisms are arranged on the two sides of the mounting face of the mounting plate. Relates to the technical field of signal lamp installation. The position of the threaded plug pin can be adjusted through the telescopic structure, the signal lamp can be conveniently installed in cooperation with the threaded sleeve, the signal lamp can be installed only by matching the threaded sleeve arranged on the installation plate with the threaded plug pin arranged on the tele