Self-sealing type bearing

Abstract

The invention belongs to the field of hydraulic metal structures, and particularly relates to a self-sealing type bearing. The self-sealing type bearing comprises a steel protective cover in a barreltype, the inner side of the steel protective cover is sequentially divided into a mud stopping cavity, a bearing cavity and a lubrication cavity in the radial direction of the steel protective cover,the bearing cavity is formed between the mud stopping cavity and the lubrication cavity, and a steel sleeve is fixedly arranged in the bearing cavity; and a mud stopping ring is arranged in the mud stopping cavity, and an oil injection pipe is arranged in the lubrication cavity. When the bearing is used, a closed environment is jointly formed by the bearing and a rotating shaft, water and sand inthe water are prevented from entering the bearing, and lubricating oil inside the bearing is prevented from permeating to the exterior of the bearing.

Description

technical field [0001] The invention belongs to the field of hydraulic metal structures, and in particular relates to a self-sealing bearing. Background technique [0002] On the flap gates of canals, lakes, reservoirs, rivers, etc., the gate leaves are turned over by the rotating shaft, and the bearings are used to ensure that the gate shaft can rotate flexibly and keep sealed for a long time in the building. Because one end of the bearing will be in contact with the water flow, water and sediment in the water will easily enter the bearing, affecting the sliding effect between the bearing and the rotating shaft, and causing damage to the bearing. Moreover, the lubricating oil in the bearing will easily penetrate to the outside, so keep The seal between the bearing and the shaft is very important. Contents of the invention [0003] In order to overcome the defects of the above technical problems, the present invention provides a self-sealing bearing with good sealing perf...

AI Technical Summary

Problems solved by technology

Because one end of the bearing will be in contact with the water flow, water and sediment in the water will easily enter the bearing, affecting the sliding effect between the bearing and the rotating shaft, and causing damage to the bearing. Moreover, the lubricating oil in the bearing will easily penetrate to the outside, so keep The seal between the bearing and the shaft is very important

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