Measuring device for runout of inner hole ring groove

• Main Authors: ZHANG MEITAO, JIA XIUQIN, ZHAO GUOQIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model relates to the technical field of inner hole ring groove measurement, and discloses an inner hole ring groove jerk value measuring device which comprises a base body, the front end of the base body is a positioning head which can extend into a part inner hole and is internally provided with an installation cavity, a measuring head is arranged in the installation cavity, and the measuring head penetrates through the positioning head in a sliding mode and extends out by a certain distance. The other end of the measuring head is connected to a lever, and the lever is installed in the installation cavity through a cylindrical pin. A gauge stand is detachably installed on the base body, a dial indicator is installed on the gauge stand, and the measuring end of the dial indicator extends into the installation cavity and abuts against the other end of the lever. The device is ingenious in conception, simple in structure and easy to operate, and can accurately and quickly measure the runout of the i