CAJ | 학술논문

液压螺旋差速器是卧式螺旋卸料过滤离心机的关键部件。它将液压技术应用到传统的差速器中，其结构简单、传递扭矩大、差转速无级可调，可充分改善离心机工作转矩的功效执行。分析了差速器运转时柱塞组件的受力关系，同时通过三维建模软件UG建立了差速器的几何模型。利用Hypermesh对几何模型进行了六面体网格划分，通过接触向导建立了柱塞组件之间的接触对，实现了不同部件之间不连续网格的连接；基于扩展拉格朗日算法对柱塞组件进行接触非线性分析，得到了组件的应力云图和路径图，得出在下死点附近处接触应力最大，接触区域符合赫兹接触理论，为进一步研究液压差速器使用寿命提供理论依据。
액압라선차속기시와식라선사료과려리심궤적관건부건。타장액압기술응용도전통적차속기중，기결구간단、전체뉴구대、차전속무급가조，가충분개선리심궤공작전구적공효집행。분석료차속기운전시주새조건적수력관계，동시통과삼유건모연건UG건립료차속기적궤하모형。이용Hypermesh대궤하모형진행료륙면체망격화분，통과접촉향도건립료주새조건지간적접촉대，실현료불동부건지간불련속망격적련접；기우확전랍격랑일산법대주새조건진행접촉비선성분석，득도료조건적응력운도화로경도，득출재하사점부근처접촉응력최대，접촉구역부합혁자접촉이론，위진일보연구액압차속기사용수명제공이론의거。
Hydraulic differential spiral is one of key components in horizontal spiral discharge filtering centrifuge. Hydraulic dif?ferential spiral applied hydraulic pressure technology to the traditional differential, its structure is simple transfer torque differential speed large and step?less adjustable of differential speed, and can fully improve effective carrying out of centrifuge working torque. The force bearing relationship between differential plunger components during operation was analyzed, and at the same time, through the three?dimensional ( 3?D) modeling software UG, differential geometric model was established. The geometric model was gridded in hex?ahedral by using Hypermesh, through contact guide to establish the contact between the piston components to implement the discrete grid connection between different components. Based on the extended Lagrange algorithm, the contact nonlinear analysis was carried out on the piston components for obtaining the stress nephogram and path of the component diagram. It is concluded that the contact stress at near the dead center is the largest and contact area is in line with the Hertz contact theory, which provide theoretical basis for further research of hydraulic differential service life.