Galvanizing furnace heat preservation device and subassembly

The utility model relates to a plating zinc process technical field especially relates to a galvanizing furnace heat preservation device and subassembly, including mount, movable heat -preserving cover plate, chain, couple, first hanging hole and second hanging hole, the mount set up in on galvanizing furnace's the heating furnace, movable heat -preserving cover plate's one end with fixed frame hinge, the one end of chain connect in movable heat -preserving cover plate's focus department, the other end of chain with the couple links to each other, first hanging hole set up in the first high department of heating furnace, just, the second hanging hole set up in the high department of second of heating furnace, wherein, first height with the high difference of second. Through the utility model provides a galvanizing furnace heat preservation device, the user need not to change insulation material when playing the cadmia operation, has not only prolonged insulation material's life -span, and the operation is swift simple and convenient moreover, and there is not the potential safety hazard in low in labor strength.