摘要：【中文】本发明公开了一种高精度轴径测量装置及测量方法，包括支撑板、伺服电机、双远心镜头、CCD相机和远心平行光源，所述支撑板的左上方设置有安装板，所述螺纹杆的顶端连接有调整块，所述螺纹杆的外侧安装有螺纹套，所述连接杆的内部安装有连接块，所述连接块的右侧设置有卡块，所述固定杆的末端固定有上压块，所述下压块的外侧连接有安装块，所述连接带的末端设置有活动块，所述活动块的外侧安装有防护块，所述放置板的后方固定有连接板，所述伺服电机的输出端连接有丝杆，所述固定板的前方右侧安装有双远心镜头。该高精度轴径测量装置，便于不同尺寸的轴的固定，且便于防止轴发生掉落，而且便于提高测量精度。 【EN】The invention discloses a high-precision shaft diameter measuring device and a measuring method, and the device comprises a supporting plate, a servo motor, a double telecentric lens, a CCD camera and a telecentric parallel light source, wherein an installation plate is arranged at the left upper part of the supporting plate, an adjusting block is connected to the top end of a threaded rod, a threaded sleeve is installed on the outer side of the threaded rod, a connecting block is installed inside the connecting rod, a fixture block is arranged at the right side of the connecting block, an upper press block is fixed at the tail end of the fixed rod, an installation block is connected to the outer side of a lower press block, a movable block is arranged at the tail end of the connecting band, a protective block is installed on the outer side of the movable block, a connecting plate is fixed behind the placing plate, the output end of the. This high accuracy diameter of axle measuring device, the not unidimensional axle of being convenient for is fixed, and is convenient for prevent that the axle from taking place to drop, is convenient for improve measurement accuracy moreover.