Warning device for highway bridge construction

The utility model discloses a warning device for highway bridge construction, which comprises a base, a worm, a thread sleeve and a telescopic rod, one side in the base is rotatably connected with theworm, one end of the worm is welded with a rotating wheel, one side of the worm is provided with the thread sleeve, and a worm gear is welded on the side wall of the periphery of the thread sleeve close to the worm. The warning lamp has the advantages that due to the design of the rotating wheel, the worm, the worm wheel, the worm and the telescopic rod, the height of the warning lamp body can beadjusted according to actual use requirements, the situation that sundries of a bridge guardrail and a construction site block warning light rays is effectively avoided, and the warning effect of thedevice is improved; and moreover, the device can be conveniently contracted and moved, the occupied space of the device is greatly reduced, the portability of the device and the working efficiency ofa using place are improved,