The application provides an external
stroke monitoring device, belonging to the technical field of shield machines; the
stroke monitoring device comprises a first connecting main body, a second connecting main body, a movable piece and a detection element; the first connecting main body and the second connecting main body are mutually sleeved to form a connecting
assembly; one end of the connecting
assembly is hingedly connected with a sliding frame, and the other end of the connecting
assembly is connected with other static components of an anchor
excavator; the movable piece is installed on the first connecting main body or the second connecting main body, and the movable piece is fixedly connected with a detection end of the detection element. The application provides an external
stroke monitoring device which is convenient to disassemble and install, has a simple structure, is convenient to disassemble and install, and is easy to maintain daily; when the stroke monitoring device has a problem, the stroke monitoring device can also be quickly and effectively maintained, thereby saving the maintenance time of the device and improving the use efficiency of the equipment.