Coal face end cutting depth indicator

The utility model belongs to the technical field of coal mining of coal mining machines, and particularly relates to a coal face end cutting depth indicator. Comprising two indicating devices, and the two indicating devices are installed on coal blocking plates at the two ends of a coal face respectively and are aligned with the cutting ends at the machine head and the machine tail of the scraper conveyor respectively. The indicating device comprises a fixed base and an indicating part, the fixed base is connected with the spillplate, the indicating part is connected with the fixed base through a limiting spring, and the indicating part extends into the running range of the coal mining machine; the indicating devices are installed at the accurate cutting positions which are measured in advance at the head and the tail of the scraper conveyor so as to play a role in limiting and warning, the advancing limit position of a unit can be displayed more visually, and a coal mining machine driver can observe convenie