| 摘要 |
FIELD: transport. ^ SUBSTANCE: proposed semi-trailer comprises front and rear semi-frames articulated to move apart and together. Coupling device is mounted on front semi-frame front part. Wheel bogie is mounted on rear semi-frame. Rear semi-frame is furnished with air cylinder arranged at its front and secured thereto to interact with support surface and air cylinder air control valve. ^ EFFECT: higher reliability. ^ 5 cl, 6 dwg |
