| 摘要 |
FIELD: railway construction. SUBSTANCE: this relates to arrangement of railway track structure. Anticreeping rail chair has two strips freely adjoining each other. Made in each of these strips are spike hole and L-shaped protrusions. Provided at opposite side of spike hole is additional rectangular hole for wedge. L-shaped protrusions are located at both sides of rail foot. Internal wall of hole for wedge in relation to rail is located under rail foot. External wall is made with bevel directed towards rail so as to adjoin wedge side. Aforesaid embodiment of rail chair ensures higher reliability of fastening with rail chair, also transmission of creeping force from rails to chair, deeper and finally to ballast course. EFFECT: higher efficiency. 2 dwg |
