Variable-pitch zero-degree tooth lubricating device

The utility model discloses a variable pitch zero-degree tooth lubricating device, which relates to the technical field of zero-degree tooth lubrication and comprises a single-point lubricator, an oil distributor is fixed on one side of the single-point lubricator, threaded holes are symmetrically formed in the top of the oil distributor, and fixing bolts are in threaded connection with the interiors of the threaded holes. And a connecting block is movably installed at the bottom of the fixing bolt and located at the bottom of the oil distributor, a mounting block is movably installed at the bottom of the connecting block, and an oil injection pipe is fixedly installed at the bottom of the mounting block. The lubricating oil filling pipe has the advantages that lubricating oil in the oil filling pipe can be heated through installation of the micro heating piece, the phenomenon that the lubricating oil is condensed and blocks an outlet of the oil filling pipe in the low-temperature environment is avoided, the