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:
May. 20, 2025
Filed:
Jan. 20, 2022
Dezhou University, Shandong, CN;
Kaiguo Fan, Shandong, CN;
Zhiming Zhu, Shandong, CN;
Rujun Sun, Shandong, CN;
Yan Zhao, Shandong, CN;
Jihai Wang, Shandong, CN;
Junliang Zhang, Shandong, CN;
Jili Tian, Shandong, CN;
Yang Liu, Shandong, CN;
Chao Chen, Shandong, CN;
Guanyu Ji, Shandong, CN;
Jing Li, Shandong, CN;
Bin Yang, Shandong, CN;
DEZHOU UNIVERSITY, Shandong, CN;
Abstract
A rail welding method and device are provided. The method includes: welding a bottom of rail, wherein welding is repeatedly performed along a first swing trajectory in a lengthwise direction of a weld seam, from one end of the bottom of rail to the other end of the bottom of rail; welding a waist of rail, wherein welding is repeatedly performed in the lengthwise direction of the weld seam along a second swing trajectory, from one end of the waist of rail, and the second swing trajectory is divided into two regions for respective welding in a width direction of the weld seam; and welding a head of rail, wherein welding is performed in the lengthwise direction of the weld seam along the first swing trajectory, between one end of the head of rail and the other end of the head of rail.