Chassis Component of Railway Vehicle, and Railway Vehicle

Abstract

Some embodiments of the present disclosure provide a chassis component of a railway vehicle, and a railway vehicle. The chassis component includes: two lower boundary beams, the two lower boundary beams being provided at an interval; and a cross beam component, the cross beam component being provided between the two lower boundary beams, wherein there are a plurality of cross beam components, and the plurality of cross beam components are provided along a length direction of each of the lower boundary beams at an interval, wherein at least one cross beam component includes a first cross beam and a second cross beam provided below the first cross beam in a height direction of the each of the lower boundary beams, the first cross beam and the second cross beam form a mounting cavity, and a part of a floor of a railway vehicle penetrates into the mounting cavity.

What is claimed is: 
     
         1 . A chassis component of a railway vehicle, comprising:
 a lower boundary beam, wherein there are two lower boundary beams, the two lower boundary beams being provided at an interval; and   a cross beam component, the cross beam component being provided between the two lower boundary beams, wherein there is a plurality of cross beam components, and the plurality of cross beam components are provided along a length direction of each of the lower boundary beams at an interval,   wherein at least one cross beam component comprises a first cross beam and a second cross beam provided below the first cross beam in a height direction of the each of the lower boundary beams, the first cross beam and the second cross beam form a mounting cavity, and a part of a floor of a railway vehicle is inserted into the mounting cavity.   
     
     
         2 . The chassis component as claimed in  claim 1 , wherein the first cross beam comprises a U-shaped beam and a connecting beam connected with the U-shaped beam, the connecting beam being used for connecting with the floor. 
     
     
         3 . The chassis component as claimed in  claim 2 , wherein the U-shaped beam and the connecting beam are connected together and form a whole structure. 
     
     
         4 . The chassis component as claimed in  claim 1 , wherein a cross section of the second cross beam is Z-shaped in a width direction of the chassis component. 
     
     
         5 . The chassis component as claimed in  claim 4 , wherein the second cross beam comprises a first horizontal beam, a vertical beam and a second horizontal beam connected in sequence, wherein the first horizontal beam and the second horizontal beam are located on two sides of the vertical beam respectively, and the first horizontal beam is connected with one side, away from the first cross beam, of the floor. 
     
     
         6 . The chassis component as claimed in  claim 5 , wherein the first horizontal beam, the vertical beam and the second horizontal beam are connected together and form a whole structure. 
     
     
         7 . The chassis component as claimed in  claim 5 , wherein the second cross beam is provided with a wire passage groove, the wire passage groove penetrating through the second horizontal beam and extending to the vertical beam. 
     
     
         8 . The chassis component as claimed in  claim 1 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         9 . The chassis component as claimed in  claim 1 , wherein the floor is a corrugated plate. 
     
     
         10 . The chassis component as claimed in  claim 1 , wherein two opposite ends of the first cross beam correspond to the two lower boundary beams respectively along a width direction of the chassis component, and a distance between two ends of the first cross beam is smaller than or equal to a distance between the two lower boundary beams. 
     
     
         11 . The chassis component as claimed in  claim 1 , wherein an upper surface of the first cross beam is on a same plane with an upper surface of each of the lower boundary beams. 
     
     
         12 . The chassis component as claimed in  claim 2 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         13 . The chassis component as claimed in  claim 3 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         14 . The chassis component as claimed in  claim 4 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         15 . The chassis component as claimed in  claim 5 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         16 . The chassis component as claimed in  claim 6 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         17 . The chassis component as claimed in  claim 7 , wherein the floor is welded to the first cross beam, and/or, the floor is welded to the second cross beam. 
     
     
         18 . The chassis component as claimed in  claim 2 , wherein two opposite ends of the first cross beam correspond to the two lower boundary beams respectively along a width direction of the chassis component, and a distance between two ends of the first cross beam is smaller than or equal to a distance between the two lower boundary beams. 
     
     
         19 . The chassis component as claimed in  claim 2 , wherein an upper surface of the first cross beam is on a same plane with an upper surface of each of the lower boundary beams. 
     
     
         20 . A railway vehicle, comprising a vehicle body structure and a chassis component connected with the vehicle body structure, wherein the chassis component is the chassis component as claimed in  claim 1 .