| 摘要 |
FIELD: railroad transport. ^ SUBSTANCE: hump brake shoe comprises stop with lever and skid. Note here that aforesaid stop and skid are made from either antifriction material or somewhat other material. In the latter case wheel rolling surface has antifriction linings that, in pair with wheel material, boast low friction factor. Skid lower part has slot accommodating friction lining that, in pair with rail material, boasts low friction factor. Stop top part accommodates vessel with liquid to be fed, via wick, onto wheel rolling surface. ^ EFFECT: reduced wheel and hump damage, eliminated sparking. ^ 5 cl, 1 dwg |
