Bearing large underframe of wagon for transporting U-shaped or box type prefabricated beams

Abstract

The invention discloses a bearing large underframe of a wagon to transport U-shaped or box type prefabricated beams. An integral inverted cap type stress frame structure of box type and I type beam structures is formed by a sleeper beam assembly, a middle beam assembly, a side beam assembly, a center beam assembly, upper side bearing assemblies, ribbed plates, a beam assembly, floors and an uppercore disc. A table face formed by the middle portion of the frame structure is lower than table faces at the two ends, the upper core disc is arranged at the center of the middle portion, and the upper side bearing assemblies are arranged on the two sides. The stress frame is formed through installing and welding of multiple box type and I type beam structures, the bearing capability is high, thedistance between the bearing face and the rail surface is low, vertical loads of the prefabricated beams can be borne, and longitudinal loads among wagon groups can be transmitted as well. The upper core disc is used in cooperation with a lower core disc of a steering disc device through a circular hole or an oblong hole, rotating and translational motion of the steering disc device can be achieved, and vertical loads are transmitted. The lower core disc of the center of the underframe is used in cooperation with the upper core disc of the wagon group, a load bearing unit is formed, and the bearing capability of the transportation wagon group is improved.

Description

technical field [0001] The invention belongs to the field of mechanical design and manufacture, and in particular relates to the field of railway transportation equipment, in particular to a load-bearing underframe for railway wagons to transport U-shaped or box-shaped prefabricated beams. Background technique [0002] In the construction of rail transit projects, when transporting long U-shaped large prefabricated beams, the prefabricated beams directly act on the load-bearing flat car through the steering wheel. Due to the limited load capacity of a single load-carrying flat car, the carrying capacity of the prefabricated beam transport vehicle group is low and cannot Give full play to the role and efficiency of railway transportation equipment. Contents of the invention [0003] In view of the above problems, the technical problem to be solved by the present invention is to provide a large load-bearing underframe for railway wagons to transport U-shaped or box-shaped pr...

AI Technical Summary

Problems solved by technology

[0002] In the construction of rail transit projects, when transporting long U-shaped large prefabricated beams, the prefabricated beams directly act on the load-bearing flat car through the steering wheel. Due to the limited load capacity of a single load-carrying flat car, the load-carrying capacity of the prefabricated beam transport vehicle group is low and cannot Give Full Play to the Role and Efficiency of Railway Transportation Equipment

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