Lubricating device of natural gas compressor

The utility model relates to a lubricating device of a natural gas compressor. Including a housing, an oil outlet hole is formed in the outer wall of the top of the shell; the inner wall of the oil outlet hole is fixedly connected with an oil outlet pipe; the top end of the oil outlet pipe is fixedly connected with a cross pipe; four through holes which are annularly distributed at equal intervalsare formed in the outer wall of the top of the cross pipe; atomizing nozzles are inserted into the inner walls of the through holes in a threaded manner; a rubber piston sleeve is inserted into the inner wall of the shell; a top block is inserted into the rubber piston sleeve, an inserting hole is formed in the bottom of the shell, a stand column is inserted into the inserting hole, the top end of the stand column is fixedly connected with the bottom of the top block, the bottom end of the stand column is fixedly connected with a bottom plate, four vertical rods are fixedly connected with thebottom of the bottom plat