A hand formula riser for packway lamp

The utility model discloses a hand formula riser for packway lamp, including the aircraft bonnet frame, face equal fixed mounting in aircraft bonnet frame both sides has the shrouding, the vacuole formation, fixed mounting has aircraft bonnet gear curb plate, every in the aircraft bonnet frame all be equipped with the drive mechanism mounting hole on the shrouding, be equipped with drive mechanismin the cavity, be equipped with reel mechanism on the aircraft bonnet gear curb plate, gear wheel and pinion intermeshing, be equipped with ratchet dog mechanism in the cavity, it constructs still tobe equipped with lubricating oil adding machine in the cavity, lubricated rolling bearing cartridge is in the installation through -hole. The beneficial effects of the utility model are that, simplestructure, the practicality is strong. 本实用新型公开了种用于马道灯的手摇式升降器，包括机罩框架，所述机罩框架两侧面均固定安装有封板，形成空腔，所述机罩框架内固定安装有机罩齿轮侧板，每块所述封板上均设有传动机构安装孔，所述空腔内设有传动机构，所述机罩齿轮侧板上设有卷筒机构，所述大齿轮与小齿轮相互啮合，所述空腔内设有棘轮挡块机构，所述空腔内还设有润滑油添加机构，所述润滑转动轴承插装在安装通孔内。本实用新型的有益效果