The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2016
Filed:
Mar. 28, 2013
Changchun Railway Vehicles Co., Ltd., Changchun, CN;
Li Chang, Changchun, CN;
CHANGCHUN RAILWAY VEHICLES CO., LTD., Jilin, CN;
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.