Center frame with longitudinal monitoring device

The utility model relates to a center frame with a longitudinal monitoring device, and belongs to the technical field of machining. The center frame comprises a center frame body, a clamping assembly, a driving assembly and a center adjusting assembly used for adjusting the clamping assembly, the center frame body is provided with a center sliding plate allowing the clamping assembly to be installed in a sliding mode, and the center frame is characterized by further comprising a monitoring device used for monitoring the center distance of the clamping assembly. A transmission part used for transmitting the adjusting displacement of the adjusting assembly to the monitoring device is arranged on the center frame body in a sliding mode. The center distance of the clamping assembly can be conveniently monitored. 本申请涉及一种具有纵向监测装置的中心架，属于机械加工技术领域。该包括中心架本体、夹持组件、驱动组件以及用于调节所述夹持组件的中心调节组件，所述中心架本体具有供所述夹持组件滑移安装的中心滑移板，其特征在于，还包括用于监测所述夹持组件中心距离的监测装置，所述中心架本体上滑移设置有用于将所述调节组件的调节位移传递至所述监测装置的传动件。本申请便于监测夹持组件的中心距。