Screwer test bench comprising a resisting torque simulation unit
First Claim
1. Screwer test bench comprising a coupling connected to a braking unit and designed for coupling with the head of a screwer, and a sensor unit detecting mechanical magnitudes transmitted between the coupling and the braking unit and the braking unit comprising a friction brake with braking surfaces which upon operation of the brake are thrust upon command one against the other in a braking direction characterized in that the brake has a movable thrust member of said braking surfaces in said braking direction which is constrained against rotation around the brake axis by means of an inextensible wall with configuration deformable in said braking direction.
4 Assignments
0 Petitions
Accused Products
Abstract
A screwer test bench (10) comprises a coupling (12) designed for coupling with the head (13) of a screwer. The coupling is connected to a braking unit (14) through a sensor unit (15) for detection of mechanical magnitudes transmitted between the coupling and the braking unit. The braking unit (14) comprises a cap (17) connected to the coupling and a movable member (18) thrust on command in brake operation direction. The movable member (18) is constrained against rotation around the brake axis by an inextensible wall (19) with a configuration deformable in said braking direction. Advantageously the wall is in the form of a bellows into which is fed pressurized fluid to bring about its elongation and operate the brake.
22 Citations
12 Claims
- 1. Screwer test bench comprising a coupling connected to a braking unit and designed for coupling with the head of a screwer, and a sensor unit detecting mechanical magnitudes transmitted between the coupling and the braking unit and the braking unit comprising a friction brake with braking surfaces which upon operation of the brake are thrust upon command one against the other in a braking direction characterized in that the brake has a movable thrust member of said braking surfaces in said braking direction which is constrained against rotation around the brake axis by means of an inextensible wall with configuration deformable in said braking direction.
Specification