Parametric Design Of Modularization And Serialization Of Wind Power Growth Gearbox

In this paper,the modularization,serialization and parametric design idea is applied to the design wind power growth gearbox,can effectively solve the problems such as complex and complicated design process,long cycle,high cost,lack of innovation and various kinds of parts in the design process.Firstly,analyzed the configuration of typical gearbox and divided it into basic module and extended module according to the type of gear train,and completed the modularization,serialization design.Secondly,the parameter design process of scheme design,basic parameter calculation,check analysis,scheme comprehensive evaluation and multiobjective optimization is established.Finally,according to the design process of the wind power increasing box,completed the modularization,serialization design system of it.Firstly,the configuration analysis of the wind power growth gearbox.According to the work situation and design principle of the wind power growth gearbox,the design parameter range of the speed increasing box is determined;This paper analyzed the configuration and characteristics of typical speed increasing box at home and abroad,determined the type and combination model of the gear train composed of growth gearbox according to the decomposition of each gearbox' configuration,At the same time,it expounds the forming principle of the shunt characteristics of the closed epicyclical gear train.Secondly,the modularization and serialization design of wind power growth gearbox.The wind speed increasing box is divided into the basic module and the expansion module according to the composition of the gear train,determined the total transmission ratio value of two and three-level gearbox by R20 priority number,the transmission ratio of planetary gear is allocated based on the principle of minimum size of radial and equal contact strength design,formed different kinds of high speed stage,the middle stage and low speed stage of single speed ratio planetary module.Respectively using the design principle of radial dimension optimization and volume optimization,determined closed and differential gear train's gear ratio of extended module.According to the similarity,the reuse principle and the gear matching condition completed the matching tooth design of each module and the optimization design of deflection coefficient.According to the existing products selected 10 kinds modules,respectively established the similarity relation of torque-modulus and tooth width-modulus,completed the serial design of each speed ratio module and module design.Then,the parametric design of wind power growth gearbox with specific requirements is carried out.B According to the design process of speed increasing box,it is divided into 5 parts: scheme design,load analysis,analysis and check,multi index comprehensive evaluation and multi-objective optimization,and using program completed theparametric design of wind power growth gearbox.According to the different modules,a variety of design schemes can be generated for the same design requirement,calculated the design parameters and completed the check analysis.Selected the appropriate indicators and dynamically choose a more reasonable evaluation method to complete the comprehensive evaluation of the various programs,and the multi-objective optimization design with volume and efficiency is carried out for the better design scheme.Finally,the feasibility of the method is verified by parametric design of wind power growth gearbox,and using the modularization,serialization and parametric design idea can effectively reduce the type and quantity of gears,shorten the design cycle and reduce the cost.