Yaw system lubricating device

The utility model relates to a lubricating device for a yaw system. The lubricating device comprises an installation support and a lubricator installed on the installation support. The installation support comprises a lower fixing part, a horizontal fixing part, a vertical fixing part and a connector installation part which are integrally formed, the lubricator is installed on the lower fixing part, the side, away from the oil outlet end, of the lubricator is connected with a first connector, three fixing holes are formed in the horizontal fixing part on the upper portion of the lower fixing part, and a fixing hole is formed in the vertical fixing part on the upper portion of the horizontal fixing part. A joint II is mounted on a joint mounting part at one end of the horizontal fixing part; the joint I is communicated with the joint II through a connecting pipe; and a polyformaldehyde lifting rod is mounted at the upper end of the joint II. The device is simple in structure and low in manufacturing cost, grea