An automatic lifting gear for lifting threshold shapes in and out of an oven

摘要

An automatic lifting unit for lifting threshold shapes in and out of an oven, which is characterized by a guide bar, a large moving car, a small moving car, a lifting unit and a lifting tool unit. The guide beam is arranged crucially over a hardening furnace;The large mobile car is positioned movably and horizontally at the top end of the guide bar and can be attached to any position on its movable track. The small mobile car is mobile and arranged in longitudinal direction on the large mobile car and can be attached to any position on its mobile track. The lifting tool unit is located under the guide bar and connected to the lifting unit which is located on the small moving car. and the lifting unit drives the lifting tool unit to move up and down.