Bearing with axial buffer function

Abstract

The invention relates to a bearing with an axial buffer function, which comprises a bearing left cover and a bearing right cover that are arranged at intervals, wherein a rolling bearing bush is arranged between the bearing left cover and the bearing right cover, the bearing left cover, the bearing right cover and the rolling bearing bush are fixed into a whole, an inner ring body is arranged inside the rolling bearing bush, an external ring body is arranged outside the inner ring body, a rolling body is arranged between the inner ring body and the outer ring body, an axial pretightening spring is arranged on the bearing right cover and supports against the right end face of the outer ring body, an oil thrower pretightening ring is arranged between the left side of the inner ring body and the right side of the bearing left cover, the right end face of the oil thrower pretightening ring supports against the left end face of the inner ring body, and the left end face of the oil thrower pretightening ting supports against the right end face of an axial baffle ring on a rotating shaft. The invention ensures that the axial direction of the whole air side deep groove ball bearing device is not limited so that the seizure burn up accidents possibly generated by limited tail and head sides of the rotating shaft are prevented.

Description

technical field [0001] The invention relates to a bearing, in particular to a bearing with axial buffering effect. Background technique [0002] In the production process of power plants and large enterprises, the motor is the main power source. Once a failure occurs, the loss to the entire production is quite large, especially for large and medium-sized high-voltage motors, which can seriously affect the entire production process. . According to statistics on motor failures, bearing damage or motor failures caused by bearing damage account for more than 70% of all motor failures. [0003] In the relatively new medium and small box-type motors produced in my country at present, a single "deep groove ball bearing" is usually used on the load side, and a single "cylindrical roller bearing" is used on the empty side; in this structure, the deep groove ball bearing has a limited The axial position of the cylindrical roller bearing is not limited; compared with the deep groove b...

AI Technical Summary

Problems solved by technology

[0003] In the relatively new medium and small box-type motors produced in my country at present, a single "deep groove ball bearing" is usually used on the load side, and a single "cylindrical roller bearing" is used on the empty side; in this structure, the deep groove ball bearing has a limited The axial position of the cylindrical roller bearing is not limited; compared with the deep groove ball bearing, the temperature and noise of the air-side cylindrical bearing are relatively high during operation, so it is suitable for wind power systems with low noise and high reliability requirements It has gradually become inapplicable; but if the empty side is also changed to a deep groove ball bearing device, the deep groove ball bearing on the empty side must not limit the axial direction. This kind of ball bearing axial non-limiting structure has many difficulties in realization

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