Lifting device used in a crystal pulling arrangement comprises a winding roller for winding and unwinding a support element to support a load and having a torque sensor for continuously determining the driving torque of the winding roller

摘要

Lifting device comprises a winding roller (1) for winding and unwinding a support element (3) which is structured at one end to support a load (7) and has a torque sensor (6) for continuously determining the driving torque of the winding roller. Preferred Features: The torque sensor is integrated in a coupling (5) between the winding roller and a winding roller drive (4).