Railway vehicle and derailment safety device thereof
AssigneeCrrc Qingdao Sifang Co., Ltd.
InventorsZhenxian Zhang, Lijun Ma, Xiaolong Zou, Rongsheng Kuai, Zhibo Zhang
Life of this patent
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Abstract
An anti-derailment safety device is in a shape of an inverted letter L and includes a transverse portion and a longitudinal portion perpendicular to the transverse portion at a side below the transverse portion; two sides of the transverse portion in a width direction of the transverse portion are each provided with an installation seat formed by a wing plate extending outwardly, and bolt holes are provided on the installation seat; and an inner side surface of the longitudinal portion is a stopping surface.
Claims12
An anti-derailment safety device, wherein the anti-derailment safety device is in a shape of an inverted letter L, and comprises a transverse portion and a longitudinal portion perpendicular to the transverse portion at a side below the transverse portion;
- two sides of the transverse portion in a width direction of the transverse portion are each provided with an installation seat formed by a wing plate extending outwardly, and bolt holes are provided on the installation seat;
- and an inner side surface of the longitudinal portion is a stopping surface;
- and
- wherein a lower surface of the transverse portion is provided with a concave portion, a radian of a contact section of the concave portion is equal to a radian of a top surface of a rail, and the concave portion smoothly transits to the stopping surface by a circular arc portion at an intersection of the transverse portion and the longitudinal portion.
Dependencies are inferred from the claim text.