| 摘要 |
A railway crossing structure for a railway track including an elastomeric gauge insert 50 fitting between each rail 10 and the adjacent gauge panel 12. Elastomeric gauge insert 50 has a body portion 70 formed by upper and outer sides 72, 74 separated by an elasticity cavity 76 and joined to each other at juncture 78 defining an out er sealing surface 80. Hinge lines formed by notches 82, 84 in sides 72, 74 assist in t he folding or flexing of body portion 70 as shown in FIG. 6 during installation of gauge insert 50 by a pushing force exerted against upper surface 62 of body 52. Body portion 70 snaps beneath head 16 of rail 10 upon the seating of gauge insert 50 with leg 54 engaging arcuate connecting surface 36 of base 18 as shown in FIG. 3. Sealing surface 80 of body portion 70 seals against undersurface 30 along a relatively large sealing ar ea and a relatively large sealing force is provided by compressed sides 72, 74.</SDOA B>
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