CLUTCH (VERSIONS) Russian patent published in 2005 - IPC

FIELD: mechanical engineering; drives of machines and mechanisms.

SUBSTANCE: proposed clutch includes two concentric clutch members. Novelty is than clutch is provided with slider coupling clutch members. Said slider is made in form of rigidly interconnected concentric screw and splined bushings. Clutch members contain, respectively, screw and splined shafts with stops. Free travel of slider is found from expression where d is mean diameter of thread of screw shaft, m; ψ is angle of helix of thread line, deg; ψ>ϕ where ϕ is reduced angle of friction in screw joint, deg; ω=f(t) is variable speed of drive shaft rotation at time of acceleration, rad/ s; t_i is acceleration time to obtain preset angular velocity of drive shaft, s; L is free travel of slider, m. Flexible member can be installed between end face surfaces of corresponding clutch member and slider. According to other design version, clutches contain screw and splined shafts and corresponding bushings in different combinations.

EFFECT: improved reliability of connection of driving and driven shafts, enlarged operating capabilities of clutch.

16 cl, 6 dwg