Rotating joint and mechanical seal monitoring device having same

The invention provides a rotating joint and a mechanical seal monitoring device having the same. The rotating joint and the mechanical can directly detect damage to a sealing ring. The rotating joint includes: a fixed body and a rotation body which are arranged coaxially; a mechanical seal which can allow the fixed body and the rotation body to slide around the axis in the rotation direction through at least one seal ring; and a slide abnormal detection mechanism which is used for detecting abnormal situations of relative slide state intervened between the fixed body and the rotation body of the seal ring and output a detecting signal. 本发明提供种旋转接头及具有旋转接头的机械密封监视装置，所述旋转接头和机械密封监视装置能够直接检测密封圈的损坏。所述旋转接头包括：固定体和旋转体，所述固定体和所述旋转体同轴设置；机械密封，该机械密封能够使所述固定体和所述旋转体通过至少个密封圈而以轴为中心沿旋转方向滑动；滑动异常检测机构，该滑动异常检测机构用于检测介入有所述密封圈的所述固定体和所述旋转体之间的相对滑动状态的异常并输出检测信号。