Tightly-connected oil leakage prevention plate of wind power device

The utility model discloses a wind power device oil leakage prevention plate with tight connection. The wind power device oil leakage prevention plate comprises a shell; the fastening ring is sleeved at the connecting port above the outer wall of the shell, and the top edge of the fastening ring vertically extends upwards and protrudes out; the sealing plate is tightly attached to the upper end of the shell and located in the extending end of the fastening ring; the reinforcing assembly comprises a ferrule which is connected to the outer wall of the shell in a sleeving mode and located at the bottom of the fastening ring, the outer wall of the ferrule is provided with a cross-shaped clamping frame which is connected with the top of the sealing plate in a sleeving mode downwards, the top of the cross-shaped clamping frame is provided with a limiting disc, and the top of the limiting disc is in threaded connection with a reinforcing bolt with one end extending towards the top of the sealing plate. According to