Speed reducer and lubricating structure thereof

Abstract

The invention provides a lubricating structure of a speed reducer. The lubricating structure comprises lubricating oil, an oil inlet channel and a flow guide hole, wherein the lubricating oil is filled into a box body of the speed reducer; the oil inlet channel used for guiding the lubricating oil in the box body onto a distance ring of the speed reducer is formed on the box body; the flow guide hole is used for guiding the lubricating oil in the oil inlet channel into the distance ring; the flow guide hole passes through the side wall of the distance ring, and is communicated with the oil inlet channel; the oil level of the lubricating oil in the distance ring is higher than the lowest position on the inner wall of an outer ring at the small end of a conical bearing of the speed reducer. During application of the lubricating structure provided by the invention, the lubricating oil in the distance ring flows into the space between the inner and outer rings of the conical bearing; the small end of the conical bearing is higher than the large end, and the lubricating oil flowing into the space between the inner and outer rings of the conical bearing from the small end can flow into the large end of the conical bearing under the influence of a gravity factor, so that sufficient lubricating oil is supplied to rollers of the conical bearing, and reliable lubrication of the conical bearing is ensured. The invention further provides a speed reducer having the lubricating structure.

Description

Technical field [0001] The present invention relates to the technical field of mechanical transmission, and more specifically, to a lubricating structure of a reducer. The present invention also relates to a reducer with the above-mentioned lubricating structure. Background technique [0002] Bearings are widely used between the transmission and rotating parts of machinery to reduce the frictional resistance between components, improve work efficiency, service life and reduce energy consumption. At present, the speed reducer often realizes the rotation cooperation between the rotating shaft and the box body through the tapered bearing, and the tapered bearing is installed on the rotating shaft through the end cover, and a distance ring is set between the tapered bearing and the end cover. The roller of a tapered bearing is conical, so the roller has a large end that is an end with a larger diameter and a small end that is an end with a smaller diameter. [0003] Lubricating oil is...

AI Technical Summary

Problems solved by technology

However, since the big end of the roller of the tapered bearing of the reducer is lower than the small end of the roller, when the lubricating oil level in the box is low, it is difficult for the lubricating oil entering the tapered bearing from the big end of the roller to flow To the small end of the roller, it is difficult for the roller of the tapered bearing to obtain sufficient lubricating oil, so that the reliable lubrication of the tapered bearing cannot be guaranteed

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