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:
Dec. 14, 2021
Filed:
Feb. 13, 2019
Nanjing Hydraulic Research Institute Under the Ministry of Water Resources, the Ministry of Transport and the Ministry of Electric, Jiangsu, CN;
Chengdu Branch of Guodian Academy of Science and Technology Co., Ltd., Sichuan, CN;
Yingli Wu, Nanjing, CN;
Ruiji Yi, Chengdu, CN;
Sheng Yang, Chengdu, CN;
Wanli Guo, Nanjing, CN;
Denghua Li, Nanjing, CN;
Limin Xiao, Nanjing, CN;
Jingping Ming, Nanjing, CN;
Qiming Zhong, Nanjing, CN;
Hongxia Fan, Nanjing, CN;
Hua Fu, Nanjing, CN;
Hua Ling, Nanjing, CN;
Fang Wang, Nanjing, CN;
Ting Shen, Nanjing, CN;
Yong Li, Guiyang, CN;
Yongyong Cao, Nanjing, CN;
Jun Li, Nanjing, CN;
Ming Zhang, Nanjing, CN;
Zhaosheng Zhang, Nanjing, CN;
Zehua Huangfu, Nanjing, CN;
Shilin Li, Guiyang, CN;
Juhua Zhang, Nanjing, CN;
Jiefu Wu, Nanjing, CN;
Zhe Hu, Nanjing, CN;
Lifei Gong, Nanjing, CN;
Gang Wu, Nanjing, CN;
Yufeng Huangfu, Nanjing, CN;
Chen Chen, Nanjing, CN;
Jing Yuan, Nanjing, CN;
Abstract
Provided is an underwater repair system for a cavity region of a concrete panel rock-fill dam panel, including a moving platform, a work cabin, a pressure drainage apparatus, a traction apparatus, and a positioning apparatus; the traction apparatus controlling the movement of the moving platform on the surface of a dam concrete panel; the positioning apparatus transmits a detection position; the work cabin is a pressure cabin, the work cabin being connected to the pressure drainage apparatus, and a drill apparatus and grouting apparatus being arranged in the work cabin; the moving platform moves into the cavity region, and the pressure drainage apparatus starts up to drain the water in the work cabin, a partially closed waterless space being formed inside the work cabin, the drill apparatus drilling the concrete panel at the upper end of the cavity region and the grouting apparatus subsequently implementing grouting to complete the repair.