Lubricating grease filling device for coal mining machinery

The utility model relates to a lubricating grease filling device for coal mining machinery, which comprises a lubricating grease barrel and is characterized in that four first telescopic rods are welded on the lower surface of the lubricating grease barrel, four second telescopic rods are detachably arranged on the outer surfaces of the four first telescopic rods, and a fixing rod is fixedly arranged at the center of the lubricating grease barrel. A squeezing plate is detachably arranged on the inner side wall of the lubricating grease barrel, the squeezing plate is in meshed connection with the lead screw, a grease inlet pipe is fixedly arranged on the upper surface of the left side of the lubricating grease barrel, a grease outlet hole is formed in the lower surface of the right side of the lubricating grease barrel, and a grease outlet guide way is fixedly arranged on the surface of the grease outlet hole; and the tail end of the guide pipe is in threaded engagement with a sprinkling can nozzle. The positi