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:
Nov. 11, 2025
Filed:
Dec. 01, 2022
Beijing Jiaotong University, Beijing, CN;
Liang Gao, Beijing, CN;
Shunwei Shi, Beijing, CN;
Hui Yin, Beijing, CN;
Xiaopei Cai, Beijing, CN;
Meng Xu, Beijing, CN;
Hong Xiao, Beijing, CN;
Bowen Hou, Beijing, CN;
Yanglong Zhong, Beijing, CN;
Yixiong Xiao, Beijing, CN;
Ji Wang, Beijing, CN;
Beijing Jiaotong University, Beijing, CN;
Abstract
The system includes a track lining apparatus and two tamping apparatuses arranged in parallel, wherein the track lining apparatus includes two track lining hydro-cylinders, and the track lining hydro-cylinder communicates with a hydraulic control system through an oil inlet pipeline and an oil return pipeline; pressure sensors configured to detect pressures of the pipelines are provided on the oil inlet pipeline and the oil return pipeline; the tamping apparatus includes two pairs of tamping components arranged on both sides, where the tamping component includes a pair of packer arms and two pairs of packers; a dynamic force sensor is provided at a joint between the packer arm and the packer, and the dynamic force sensor can detect a transient dynamic downward insertion force generated when the packer is inserted into the ballast bed.