MULTISTAGE GEARBOX TYPE 20R10 Russian patent published in 2016 - IPC F16H37/04 F16H3/16 

FIELD: machine building.

SUBSTANCE: invention relates to modular gearboxes. Multiple-speed gearbox consists of case with inner wall in supports of which there are inlet and outlet shafts, intermediate shaft is parallel to them. On shafts there are six engaged pairs of forward gears and train of reverse gears. Inner wall is installed in middle part of case, three units of two gears, combined tubular shafts are freely installed: one on output shaft and two on intermediate shaft, fourth unit consists of additional shaft with two gears fixed on it. Said shaft is located between input and output shafts in bearing central wall and additional support. Additional shaft rear end there is a hub with two-position strike clutch and support, in which output shaft with hub three position clutches. At output shaft gear are fitted in support front end face of additional shaft is installed input shaft with hub three-position clutches. Gear units parallel shafts are engaged with each other and with separate gears. On intermediate shaft between sets of gears and separate gears are fixed hub three-position clutches. Units of gears and separate gears are fitted with rims for clutches.

EFFECT: optimum operating conditions.

1 cl, 2 dwg