| 摘要 |
The invention relates to internal gear gerotor mechanisms (GM) in which a tooth difference between the stator and rotor thereof is equal to one. The rotor axis of the planetary moving GM is offset at a distance of gear eccentricity with respect to the stator axis. The GM can be used for different branches of the mining industry and for general engineering in the form of working members of pumps, hydraulic engines, compressors, internal combustion engines and straight tooth and spiral tooth reduction gears. The novelty of said invention lies in the fact that the initial auxiliary circuit is embodied in the form of an ellipse and a proportionality factor k which defines the radius of a director circle is selected equal to half the required number of teeth z of a wheel (k=z/2). The optimal teeth shape is ensured by a rational combination of the shape factor of the ellipse lambda and an eccentricity factor of the auxiliary circuit, the shape factor of the ellipse lambda being equal to the semiaxis ratio thereof, and the eccentricity factor of the auxiliary circuit being equal to a ratio between the major semiaxis of the ellipse and the radius of a rolling circle. Internal and external profiles are embodied in the form of ellipsoidal profiles of the overall shape of the ellipse. Said invention simplifies the process of production of gerotor mechanisms and improves the design efficiency thereof. |
