Bearing seat device with self-sealing function and capable of adjusting deviation of conveying belt

The utility model discloses a bearing seat device with a self-sealing function and capable of adjusting deviation of a conveying belt. The bearing seat device comprises a bearing seat body and a gland, the end part of a carrier roller shaft penetrates through the bearing seat body and is in sealed connection with the bearing seat body through the gland, an adjusting hole is formed in the bottom of the bearing seat body, a fixing bolt is arranged in the adjusting hole, and the bearing seat body and the gland are both connected with the carrier roller shaft through a self-sealing device. The bearing seat device can be arranged on the operation side or the return stroke side of the conveyor, so that in the operation process of the conveyor, deviation of the middle area (an operation layer and a return stroke) of a metal conveying belt is adjusted, meanwhile, the self-sealing devices in the bearing seat body and the gland can guarantee the sealing effect in the bearing seat body under any working condition, and t