Macro-micro actuated distended guide rail precision rotation apparatus

US9199350B2 · kind B2 · utility

Assignee

• Xi'an University of Technology · CN

Inventors

• Yumei Huang · Tuji, CN
• Manzhi Yang · Tuji, CN
• Xingang Yang · Tuji, CN
• Wenfeng Hou · Tuji, CN
• Weigang Lv · Tuji, CN
• Tongqing Liu · 安丰镇, CN
• Guangpeng Zhang · Tuji, CN

Key dates

• Filing date: Feb 6, 2012
• Grant date: Dec 1, 2015
• Expiry date: Feb 6, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/18056
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A guide rail precision rotation apparatus is provided with a housing of torque motor and a bearing housing fixedly arranged on an upper surface of a base, and a bearing sleeved on an inner edge step at the upper end of bearing housing. The inner ring of bearing is sleevingly connected to an intermediate rotating body, the lower end of the body is connected to a bearing inner ring cap; a round grating is provided at an outer edge of lower end of the cap, a connecting piece is arranged on the motor, the lower end of connecting piece is fixedly connected to a rotary shaft of the motor, the connecting piece and the body are both connected to the lower end of a fine movement mechanism, and the upper end face of fine movement mechanism is fixedly connected to a rotary worktable.