Positioning mechanism and fuse storage device

The utility model relates to the technical field of fuse storage devices, in particular to a positioning mechanism and a fuse storage device, the positioning mechanism comprises a positioning unit, the positioning unit comprises a box body, a bearing assembly and a locking assembly, one end of the bearing assembly is movably connected with the box body, the locking assembly is in threaded connection with the bearing assembly, and the locking assembly is connected with the box body. The positioning unit is arranged on one side of the measuring unit, the measuring unit comprises a box cover and a power supply assembly, the box cover is hinged to the box body, and the power supply assembly is arranged in the box body. The beneficial effects of the utility model are that the bearing assembly is horizontally arranged, the fuse in the bearing assembly is stably arranged in the box body through cooperation with the elastic assembly and the auxiliary positioning member in the box body, and ceramic parts of the fuse a