TRANSMISSION MECHANISM, ROLLER-HELICAL REDUCTION GEAR COMPRISING A TRANSMISSION MECHANISM AND A METHOD FOR ITS ASSEMBLY Russian patent published in 2019 - IPC F16H25/00 F16H1/28 

FIELD: machine building.

SUBSTANCE: invention relates to roller-helical gear box. Roller-helical reduction gear comprises a transmission mechanism comprising a rod with an external thread, having one threaded section with left-hand thread, one threaded section with right-hand thread and one protruding ring of the rod, and a plurality of rollers. Each of rollers contains multiple threaded sections containing at least one threaded section with left-sided thread and at least one threaded section with right-hand thread. Each threaded section is arranged to interact with corresponding threaded sections of the rod. Diameters of extending rings of rollers and protruding rings of rod are equal to corresponding average diameters of threads of threaded sections of rollers and rod, respectively.

EFFECT: reduced slippage at higher efficiency of the reduction gear.

11 cl, 5 dwg