Passive follow-up hydraulic rotary joint

US11078933B2 · kind B2 · utility

Assignee

• WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY · CN

Inventors

• Lin Jiang · Wocheng, CN
• Xiaoyue Pan · 红钢城街道, CN
• Wei Xie · Manchester, US
• Tixian Tian · 红钢城街道, CN
• Lisheng Ren · 红钢城街道, CN
• Zhao Wang
• Liang Zhou · Beijing, CN
• Zhipeng Yu · 红钢城街道, CN
• Han Wang · Beijing, CN
• Xumin Gao · 红钢城街道, CN
• Hui Zhao · Nanhu, CN
• Jianyang Zhu · Guiyang, CN

Key dates

• Filing date: Apr 17, 2018
• Grant date: Aug 3, 2021
• Expiry date: May 15, 2040

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F15B2215/30
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A rotary joint, including: a hydraulic follow-up mechanism and a rotary transmission mechanism. The hydraulic follow-up mechanism includes a cylinder body, a valve sleeve, a valve core, a valve body, a left end cover and a right end cover. The rotary transmission mechanism includes a tray, a stabilizing ring, a follow-up disk, a torque transfer disk and a stable supporting wheel mechanism. The left end cover and the right end cover are arranged at the left and right ends of the cylinder body, respectively. The valve body is concentrically mounted in a cylindrical hollow chamber of the cylinder body. The output shaft at the right end of the valve body projects out of the right end cover. The right end of the valve core is provided with a valve core torque transfer shaft extending rightwards through the right end of the valve body.