四配流窗口轴向柱塞马达三角槽结构参数优化  

Structural Parameters Optimization of Triangular Slot of Axial Piston Motor with Four Assignment Windows

作　　者：王君丹 黄伟男 权龙 WANG Jundan;HUANG Weinan;QUAN Long(Key Experiment of Novel Sensor and Intelligent Control,Ministry of Education,Taiyuan University of Science and Technology,Taiyuan,Shanxi 030024)

机构地区：[1]太原理工大学新型传感器与智能控制教育部重点实验室,山西太原030024

出　　处：《液压与气动》2024年第11期74-81,共8页Chinese Hydraulics & Pneumatics

摘　　要：挖掘机回转机构能量回收系统存在能量传递结构复杂、转换环节多的问题,基于液压挖掘机双马达主被动复合驱动回转系统,提出四配流窗口轴向柱塞马达,可缩短能量传递链,减小安装空间,实现回转系统起制动的高能效驱动。根据柱塞马达运动学原理和配流面积变化原理,在SimulationX中建立四配流窗口轴向柱塞马达参数化仿真模型,仿真分析配流盘三角槽不同结构参数对马达流量脉动和压力冲击的影响,以选取优选参数。结果表明:在配流盘中引入三角槽可吸收和分散产生的流量压力冲击,过小或过大的宽度夹角和深度夹角会产生较大流量脉动和压力冲击,三角槽的优选结构参数为宽度夹角取15°,深度夹角取20°,为四口马达配流盘结构优化设计提供了参考。The energy recovery system of excavator slewing mechanism faces challenges such as a complex energy transfer structure and multiple conversion links.To address these issues,an axial piston motor with four assignment windows is proposed based on a double-motor active-passive composite drive slewing system for hydraulic excavator.This innovative design aims to streamline the energy transfer chain,minimize installation space,and achieve energy-efficient operation of the slewing system during both starting and braking phases.Based on the principles of kinematics of the piston motor and the dynamics of flow distribution areas,a parametric simulation model of an axial piston motor with four assignment windows has been developed in SimulationX.The simulation analyzes the influence of various structural parameters of the triangular slot in the port plate on the motor's flow pulsation and pressure impact.This analysis aims to identify optimal parameters for improved performance.Simulation results indicate that introducing a triangular slot in the port plate can effectively absorb and disperse flow pressure shocks.However,if the width or depth angles are too small or too large,significant flow pulsation and pressure shock may occur.The optimal structural parameters for the triangular slot are a width angle of 15°and a depth angle of 20°.These findings provide valuable insights for optimizing the design of the port plate in four port motor structures.

关 键 词：柱塞马达 配流盘 三角槽 结构优化 

分 类 号：TH137[机械工程—机械制造及自动化]