TRANSPORT MACHINE NINE-SPEED TRANSMISSION Russian patent published in 2020 - IPC F16H3/93 F16H37/02 

FIELD: machine building.

SUBSTANCE: gearbox comprises internal and external input shafts 2 and 4 made with toothed rims 3 and 5, composite intermediate shaft 6 consisting of front and rear sections 7 and 8, tubular additional intermediate shaft 9 with toothed rims 10 and 11, arranged on section 7 of shaft 6, and output shaft 12. In section 7 of shaft 6 there installed is free gear wheel 13 engaged with gear wheel 14 fixed on shaft 4, gear wheel 15 engaged with toothed rim 5 of shaft 4, and gear wheel 16 engaged with intermediate gear 17 engaged with gear rim 5 shaft 4. Toothed rims 18 and 19 of section 8 of shaft 6 are engaged with gear wheels 20 and 21 installed freely on shaft 12 with possibility of alternate connection to it by means of gear coupling 22. Toothed rim 10 of shaft 9 is engaged with toothed rim 3 of shaft 2. Toothed rim 11 of shaft 9 is engaged with gear wheel 23 installed freely on shaft 12 with possibility of connection to it by means of coupling 24 connecting in its other position shaft 2 with shaft 12. Gearbox comprises gear clutch 25 for alternate coupling with shaft 6 of gear wheel 13 and gear wheel 15, gear clutch 26 for alternate coupling with shaft 6 of shaft 9 and gear wheel 16.

EFFECT: simplified design of gearbox and improved operational characteristics.

3 cl, 1 dwg