Framework for railway express wagon bogie
A technology for fast freight wagons and bogies, which is applied in the direction of bogies, railway car body parts, devices for lateral relative movement between the chassis and bogies, etc., and can solve problems such as large loads, weld cracks, and maintenance conditions that cannot meet air Spring maintenance requirements and other issues to achieve the effect of improving bearing capacity and reducing stress
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[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0031] like figure 1 The frame for the railway express freight car bogie shown includes a pair of side girders 240 of double-web box structure, a pair of cross girders 250 of round steel tube structure and a pair of arc longitudinal girders 280 .
[0032] to combine figure 2 As shown, the side sill 240 includes a side sill double web 241 , a side sill upper cover 242 and a side sill lower cover 243 . In this embodiment, the middle part of the side beam 240 is a U-shaped cavity 244 concave downward, and the bottom plane 244a of the U-shaped cavity 244 is welded with a secondary rubber pile installation platform 245, and the secondary rubber pile installation platform 245 is connected to the side beam. The cover plate 242 is connected by splicing welds to form a whole; the second-series rubber stack installation platform 245 provides...
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