FIELD: railway transport.
SUBSTANCE: coupling casing consists of head with rear wall furnished with outer thrust block and changing into hollow extension with horizontal stiffness ribs. Reinforcing rib is added to head rear section vertical wall to overlap zone of transition from head to extension, which changes into lengthwise stiffness rib of extension shelf. Head upper part reinforcing rib overlaps zone of transition from rear wall to head upper part. Note that reinforcing rib of transition sections is arranged higher than that in central section.
EFFECT: increased fatigue strength, longer life.
4 cl, 2 dwg
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