SU1719738A2 - Clutch - Google Patents

Abstract

This invention relates to clutches. The purpose of the invention is the expansion of operational capabilities. When the coupling is turned on through the coupling half 8, the movement is transmitted through the spring 11 to the friction disk 9 and the gear wheel 6. When braking the latter, the spiral ribbon springs 5 are simultaneously wound on the sleeve 4, and the balls 20 captured by the slots of the carrier 12 of the limiter of the leading link will freely roll along the helical groove to the axis of rotation, which equalizes the angular velocities of the coupling halves with the unstressed coupling. The excess energy accumulated in the springs 5 during braking and coupling of the gear wheel 6 to the driven coupling half 8 and equalizing the torque between the cup 3 and the driven shaft 7. is gradually transferred to the shaft 7. When the torque is reversed, when the clutch acts as a brake, the rotational speed of shaft 7 is greater than that of glass 3, and the carrier 12 rolls balls 20 through a deaf spiral groove to the periphery of the cover 18 of glass 3. Before full unwinding of the springs 5 in glass 3 of balls 20, abuts against the blind end of the spiral groove, transmits rotation Kanu 3 preventing a spiral of failure. Elastic pads ensure smooth operation of the limiter. Switching off the coupling is made by withdrawing the coupling half 8 from engagement with the wheel 6. This constructive implementation of the coupling ensures the reversibility of work without breaking the tape springs. 1 hp f-ly, 4 ill.

Description

one

13

20

fig.Z

Claims (2)

Claim 1. Clutch on auth. St. No. 1183742, characterized in that, in order to expand operational capabilities by giving it reversible properties while maintaining dynamic balance and eliminating breakage of springs, it is equipped with a relative rotation limiter of the drive link elements containing two balls and coaxially mounted on the spigot of the carrier with two diametrically arranged grooves made on the sleeve side, and a blind spiral groove is made on the end surface of the cup lid facing the carrier, the balls are located in each I drove on the same winding of the spiral groove, the free travel of the balls in the spiral groove in the direction of the springs unwinding is less than the full unwinding of the latter to the unstressed state, and the balls in the specified groove in the opposite direction are longer than the spring travel from the unstressed state to their full twisting . 2. The clutch according to claim 1, characterized in that, in order to ensure smooth operation of the limiter, the carrier is mounted on the sleeve trunnion with the possibility of relative rotation by means of a retaining spring ring and splines, between the side surfaces of which elastic gaskets are placed. figure 4