Gear-Lever Differential Transmission Mechanism Of Different Diameters

Abstract

In all spheres of society and country, industries are rapidly developing, requiring the implementation of reforms based on modern innovative ideas, developments, and technologies that ensure rapid and high-quality progress of each country on the path to becoming one of the leaders of world civilization. At the same time, the analysis showed that activities to modernize and diversify production, increase its output, and expand the types of competitive products in the domestic and foreign markets are not conducted properly. To update the fleet of equipment processing local raw materials, constant improvement of technologies and designs of technological machines is necessary. Machines have one, two, or several working parts. An improved design of the gear-lever mechanism is proposed for the working parts of various technological machines that process fibrous raw materials. This drive mechanism is suitable for machines with different diameters of working parts, for example, with a small diameter of the upper roller and a large diameter of the lower roller of the technological machine. Consequently, a gear with a small diameter is rigidly fixed at the outlet end of the upper roller axis, and a gear with a rigid fit is fixed at the outlet end of the lower roller axis. Vertical movement of the working rollers is realized by levers attached to the outlet ends of the axes of the lower and upper rollers. The levers have a rotational movement relative to the axes of the rollers. This mechanism ensures equal linear velocity at the contact points of the lower and upper rollers. In general, the drive mechanism of the working parts consists of two gears of small diameters, two gears of large diameters, and four levers. The proposed mechanism for driving the working parts ensures uniform processing of raw materials, regardless of changes in thickness and rough surface and bottom of the processed fibrous material. Consequently, high-quality indices of processing and the resulting material are ensured. The proposed mechanism is used in mechanical engineering and light industry in technological machines with shafts consisting of two working rollers of different diameters with a variable distance between the axes and the center of rotation, moving in rectilinear and reciprocating patterns. The proposed transmission mechanism of the gear-lever type is recommended to be applied to the working parts of technological machines, in particular in paper making, light, textile, and other industries.