Analysis of Cylinder Block Torque Characteristics of Dual-Drive Axial Piston Motor

IF 0.6 4区 工程技术 Q4 MECHANICS Mechanika Pub Date : 2022-04-15 DOI:10.5755/j02.mech.28730
H. Deng, Wenjun Chai, Cong Hu
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引用次数: 1

Abstract

A mathematical model of the cylinder block moment of a dual-drive axial piston motor considering the dynamic pressure in the piston chamber is developed. The influence of the number of plugs, staggering angle, inlet pressure and swashplate inclination on the individual moments applied to the cylinder block was analyzed. The results show: when the number of pistons in the inner and external emissions is the same, the cylinder block is subjected to a periodic pulsation of each moment and odd-numbered pistons have a higher frequency of torque fluctuations than even-numbered pistons. With increasing intersection angle, the pulsation rate of the torque around the x and y axes tends to increase and then decrease but the output torque varies in the opposite direction; The inlet pressure can increase the torque pulsation rate of the cylinder block in equal proportion. When the inclination angle of the inner and external swashplate is not the same, the reasonable selection of different inner and external swashplate inclination angles can make the overturning torque generated by the inner and external emissions offset and increase, so that the overturning torque of the cylinder block is reduced.
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双驱动轴向柱塞电机缸体转矩特性分析
建立了考虑活塞腔内动压力的双驱动轴向柱塞电机缸体力矩的数学模型。分析了阀塞数量、摆角、进口压力和斜盘倾角对施加在缸体上的各个力矩的影响。结果表明:当内外排放活塞数量相同时,气缸体每一刻都受到周期性脉动,奇数活塞的转矩波动频率高于偶数活塞。随着交角的增大,转矩在x轴和y轴上的脉动率呈先增大后减小的趋势,而输出转矩则相反;进气压力可使气缸体的转矩脉动率成比例增加。当内外斜板倾角不相同时,合理选择不同的内外斜板倾角,可使内外排放产生的倾覆力矩抵消和增大,从而减小气缸体的倾覆力矩。
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来源期刊
Mechanika
Mechanika 物理-力学
CiteScore
1.30
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: The journal is publishing scientific papers dealing with the following problems: Mechanics of Solid Bodies; Mechanics of Fluids and Gases; Dynamics of Mechanical Systems; Design and Optimization of Mechanical Systems; Mechanical Technologies.
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