手动扭矩扳手专利技术综述OA

Manual torque wrenches are a key tool for achieving precise bolt tightening in industrial manufacturing,equipment maintenance and assembly processes.Their technical development level is directly related to product quality,safety performance and production efficiency.This paper takes the patent literature related to manual torque wrenches as the research object,and traces and analyzes the technical branches,patent application trends,regional distribution and high-frequency cited patents of manual torque wrenches,providing reference for research and development in the field of manual torque wrenches.