Split type slewing bearing with double rows of different-diameter outer rings

Abstract

The invention relates to a split type slewing bearing with double rows of different-diameter outer rings, which comprises an upper-layer outer ring, a lower-layer outer ring, a first steel ball, a second steel ball and an inner ring, the upper-layer outer ring is designed on the outer side of the upper end of the inner ring, a plurality of first steel balls are installed between a raceway on the inner side of the upper-layer outer ring and a raceway on the outer side of the upper end of the inner ring, the lower-layer outer ring is designed on the outer side of the annular boss of the inner ring, and a plurality of second steel balls are installed between a raceway on the inner side of the lower-layer outer ring and a raceway on the outer side of the annular boss of the inner ring. An annular convex edge is designed at the lower end of the outer side of the upper-layer outer ring, meshing teeth are designed on the periphery of the annular convex edge, and meshing teeth are also designed on the periphery of the outer side of the lower-layer outer ring. The steering wheel has the advantages that the design is reasonable and ingenious, the use is convenient, two layers of independent outer rings are combined with one inner ring, and the steering movement in different directions can be realized at the same time.

Description

technical field [0001] The invention relates to the field of bearings, in particular to a split-type slewing bearing with double-row outer rings of different diameters. Background technique [0002] The slewing bearing is a new type of mechanical component that has gradually emerged in the world in the past forty years. It consists of inner and outer rings, rolling elements, etc. The slewing bearings produced in my country are mainly designated by the Ministry of Machinery Industry in the early 1980s for Tianjin construction machinery research. The organization introduced the design and manufacturing technology of the former Federal German Rothe Erde company. On December 20, 1984, the standard of the Ministry of Machinery Industry of the People's Republic of China was issued: JB / 2300-84 "Slewing Bearing Types, Basic Parameters and Technical Requirements", mainly by Tianjin Engineering Machinery Research Institute of the Ministry of Machinery and Electronic Industry, Xuzhou Ha...

AI Technical Summary

Problems solved by technology

[0003] Slewing bearings are generally used in slewing mechanisms to realize a single steering movement, and conventional slewing bearings cannot meet the complex use environment when multiple steering movements need to be realized at the same time.

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