Patents by Inventor Changchun Railway Vehicles Co., Ltd.

Changchun Railway Vehicles Co., Ltd. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • FULL BUTT JOINT STRUCTURE OF CONNECTION JOINT BETWEEN SIDE FRAME AND CROSS BEAM OF BOGIE FRAME AND ASSEMBLY WELDING PROCESS
    Publication number: 20130213258
    Abstract: A full butt joint structure of a connection joint between a side frame and a cross beam of a bogie frame, characterized in: the side frame is connected to the cross beam by a connecting seat to realize the full butt joint, a side frame connecting end of the connecting seat, a transport column and a side frame inside vertical plate form a plate-plate butt joint structure, and a cross beam connecting end of the connecting seat and the cross beam form a tube-tube butt joint structure. An assembly welding process comprises: the connecting seat is assembled and welded to the cross beam; a cross beam unit is assembled and welded; the connecting seat is assembled and welded to the transport column and the side frame inside vertical plate; a side frame strengthen partition plate is assembled and welded to an upper plate; and the bogie frame is welded.
    Type: Application
    Filed: March 28, 2013
    Publication date: August 22, 2013
    Applicant: CHANGCHUN RAILWAY VEHICLES CO., LTD.
    Inventor: Changchun Railway Vehicles Co., Ltd.