GEARBOX

摘要

FIELD: machine building. ^ SUBSTANCE: invention refers to the sphere of vehicle building immediately dealing with design of transportation vehicles. The gearbox consisting of four three-link planetary gears, three brakes and two friction clutches enables commutation between six forward drive speeds and a single backward drive one. In the fourth three-link differential gear the sun gear and the epicyclic gear are connected to the carrier and the epicyclic gear of the first differential gear accordingly. The first differential gear carrier is connected to that of the third differential gear. Any of the links of the first differential gear is connected to the input shaft via the second friction clutch. The second differential gear carrier is connected to the input shaft with the sun gear of the third differential gear connected to the third brake. ^ EFFECT: extension of the gear ratio range combined with improvement of the vehicle tractive capacities. ^ 1 dwg