Cylinder ring roundness measuring device

The utility model discloses a device for measuring the roundness of a cylinder ring, and relates to the technical field of measurement. In order to determine the deformation caused by machining of the circular surface of the cylinder ring, the measuring device for the roundness of the cylinder ring is designed and comprises a probe, a digital display meter, a reset spring, a stand column, a through hole, a base, a transverse shaft, a semicircular groove, a cross, a lifting lug, a hook, a sliding groove, a bolt, a pressing column and a rotating pin. The device can measure in real time and display the size change of the circular surface of the cylinder ring with high precision, so as to obtain the roundness deviation caused by cylinder ring processing. 本实用新型公开了一种筒圈圆度的测量装置，涉及测量技术领域。本测量装置为了确定筒圈圆面加工引起的变形量，设计了一种筒圈圆度的测量装置，包括：探针、数显表、复位弹簧、立柱、通孔、底座、横轴、半圆槽、十字架、吊耳、挂钩、滑槽、螺栓、压柱、转动销。本装置可实时测量并高精度显示筒圈圆面的尺寸变化，得到筒圈加工引起的圆度偏差。