FIELD: transportation.
SUBSTANCE: high-speed carriage for locomotive underframe is designed as a biaxial carriage consisting of two articulated single-axle carriages. Single-axle carriage includes the first, second and third stages of spring suspension. The spring suspension first stage consists of two composite single-leaf spring. The spring suspension second stage consists of elastic longitudinal traction, returning device and hydraulic dampers. The spring suspension third stage is made by two air spring diaphragm type springs or by means of a system consisting of two main springs, hydraulic damper, auxiliary spring and rubber block.
EFFECT: increased locomotive underframe speed.
3 dwg
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