Novel airtight full-loaded four-row cylindrical roller bearing

Abstract

The invention aims to provides a novel airtight full-loaded four-row cylindrical roller bearing, comprising an outer race (4), a pin shaft (1) compatibly serving as an inner race and four-row cylindrical rollers (5) arranged between the outer race (4) and the pin shaft (1). The novel airtight full-loaded four-row cylindrical roller bearing is characterized in that each cylindrical roller (5) is provided with a column supporting hole, two sides of each row of cylindrical roller (5) are respectively provided with a supporting ring (7), a strut (6) is respectively inserted in the column supporting hole of each cylindrical roller (5), and two ends of the strut (6) are respectively arranged in a support groove on a supporting ring (7). By adoption of the bearing disclosed by the invention, the difficulties that the traditional like bearing is unavailable for repeated mounting and dismounting are solved, meanwhile, a requirement on a high-load working condition is realized, and the bearing in such a structure is particularly suitable for a small end of a connecting rod in a diaphragm pump crank-link mechanism and the working environment with low-speed swinging and heavy load, and has the advantages of being reduced in use cost and prolonged in service life.

Description

technical field [0001] The purpose of the present invention is to provide a new type of sealed full complement four-row cylindrical roller bearing. Background technique [0002] At present, the four-row cylindrical roller bearings matched with the diaphragm pump generally adopt the structural type with a sparse cage. Due to the small number of rollers in this structure and the low load-carrying capacity, the high load required by the equipment cannot be achieved in the existing space. Require. However, the current structure of full complement rollers has no cage, which can increase the number of rollers to meet the requirements of high load, but it is difficult to assemble, and it is easy to cause loose sleeves and mixed rollers, and it is difficult to ensure the original bearing performance of the complete set of bearings. precision, and it is impossible to disassemble and repeat the installation work during maintenance, which increases the manufacturing cost of the equipm...

AI Technical Summary

Problems solved by technology

[0002] At present, the four-row cylindrical roller bearings matched with the diaphragm pump generally adopt the structural type with a sparse cage. Due to the small number of rollers in this structure and the low load-carrying capacity, the high load required by the equipment cannot be achieved in the existing space. Require

However, the current structure of full complement rollers has no cage, which can increase the number of rollers to meet the requirements of high load, but it is difficult to assemble, and it is easy to cause loose sleeves and mixed rollers, and it is difficult to ensure the original bearing performance of the complete set of bearings. Accuracy, disassembly and repeated installation work cannot be realized during maintenance, which increases the manufacturing cost of the equipment

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