TENSION COMPENSATION DEVICE WITH BRAKE FUNCTION

摘要

The invention relates to a tension compensation device with brake function, which at least comprises a main shaft (10) and a shell (20) rotating relative to each other. One of the main shaft (10) and the shell (20) is used for connecting with a tension part (30). An elastic part is arranged between the main shaft (10) and the shell (20) so as to provide a torque therebetween, which reacts on the tension part (30). The tension compensation device also comprises a brake mechanism in whole or in part. When the tension compensation device fails due to the fracture of the tension part (30), the brake mechanism will be triggered by gravity to implement the brake function. The tension compensation device uses the gravity to trigger the brake mechanism, and implements the brake function at low cost, and has the advantages of simple structure, high reliability, a wide range of applications and the like.