Sand drilling tool is got in rock core probing

The utility model discloses a sand drilling tool is got in rock core probing, including the probing pipeline, the lower extreme of probing pipeline has the drill bit through threaded connection, connecting axle connected to the fence is passed through to the inner chamber lower extreme left and right sides of probing pipeline, open the inner chamber lower part left and right sides of probing pipeline has the arc groove, peg graft and have the pivot in the inner chamber middle part of probing pipeline, the outside of pivot is equipped with the spiral coupongs, the lower part of pivot is equipped with the bearing, both ends fixedly connected with connecting rod about the bearing, connecting rod fixed connection is on the lateral wall of probing pipeline, the lower extreme of drill bit is opened has first rectangular channel and arc groove. This sand drilling tool is got in rock core probing, through be equipped with right angle triangle lug, second rectangular channel and etc. The structure of lumbar triangle l