FIELD: machine building.
SUBSTANCE: invention relates to machine building and can be used on vehicles as steering booster with electric drive. Electric power steering comprises drive assembly consisting of electric motor (1) and two-stage reduction gear with planetary gear (2) and transmission (3) with cylindrical gear wheels. Sun gear (3) of planetary gear (2) is located on output shaft (8) of electric motor (1). Drive gear (9) of gear (3) with cylindrical gear wheels is located on driven shaft (10) coaxial to output shaft (8) of electric motor (1). Carrier (6) of planetary gear is connected with drive gear (9) by means of coupling (13). Driven gear (11) is located on output shaft (12) of reduction gear. Oil cavities of housing, in which planetary gear (2) and gear (3) are located are separated by cuff (15). Coupling (14) is located on output shaft (12) of the reduction gear.
EFFECT: use of two-stage reduction gear in electric power steering device, the assembly of which allows enlarging the range of use of electric power steering.
3 cl, 2 dwg
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