FOUR-TRACK CHASSIS Russian patent published in 2023 - IPC B62D55/65 B60K17/344 B60K6/00 

FIELD: tracked vehicles.

SUBSTANCE: vehicles with power distribution between the drive wheels. The four-track chassis contains a power plant and a transmission, the input shaft of which is connected to the output shaft of the power plant, the output shafts are connected to the four drive wheels of the caterpillar mover and includes a device for changing the speed and direction of movement, four service brakes and four final reduction gears. The power plant is made hybrid with an internal combustion engine and an electric motor or a reversible electric machine. The device for changing the speed and direction of movement of the chassis is made in the form of a series-connected interaxial controlled gear power distribution mechanism MPM0 and two identical inter-board controlled gear power distribution mechanisms MRM1. MPM0 consists of a central planetary gear set with the kinematic parameter k₀=2 and a simple differential function and two side planetary gear sets with the same kinematic parameters k₁. At the same time, the central gear set is made with a double epicycle, the input link of the MPM0 mechanism combines the epicycle of the central gear set, the sun gears of the outer gear sets and, through the friction C₀, the carrier of the central and first side gear sets with the output link x₁ MPM0, the sun gear of the central gear set is combined with the carrier of the second side gear set with an output link x₂ MPM0, and the epicycles of the side gear sets are equipped with brakes T₁ and T₂, respectively. An additional set of features of the device in terms of MRM1 is also proposed.

EFFECT: increasing performance or operating characteristics of the vehicle is achieved.

2 cl, 3 dwg