可调式液压缸缓冲装置设计及其缓冲过程研究
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摘要
液压缸的液压缓冲装置在缓冲过程中大多存在脉冲压力较高或制造过程复杂、成本高的问题,而且耐冲击范围有限,在实际使用过程中存在一定的局限性。利用气体的压缩特性设计的液压缓冲装置可以有效地解决缓冲过程中的脉冲冲击现象,而且结构简单,制造成本低,使用范围广泛,可以应用于大部分液压缸的使用场景。
In the buffering process, most of the hydraulic buffering devices of hydraulic cylinders have the problems of high pulse pressure, complex manufacturing process and high cost, and limited impact resistance range. The hydraulic buffer device designed by taking advantage of the compression characteristics of gas can effectively solve the pulse impact phenomenon in the buffering process. Moreover, it has the advantages of simple structure, low manufacturing cost and wide range of use, and can be applied to most of the hydraulic cylinders.
In the buffering process, most of the hydraulic buffering devices of hydraulic cylinders have the problems of high pulse pressure, complex manufacturing process and high cost, and limited impact resistance range. The hydraulic buffer device designed by taking advantage of the compression characteristics of gas can effectively solve the pulse impact phenomenon in the buffering process. Moreover, it has the advantages of simple structure, low manufacturing cost and wide range of use, and can be applied to most of the hydraulic cylinders.
引文
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[3] 周鸿杰,赵慧,谢文建,et al.两级液压缸换级缓冲仿真与研究[J].机械设计与制造,2017(10):71-73.
[4] 李景,巫世晶,周璐,et al.基于CFD技术的特高压断路器液压缸缓冲特性研究[J].液压与气动,2015(12):73-77.
[5] Teng C K ,Hsiao C Y ,Wang C S .The effect of the guiding directions of the guiding cylinders of an area ratio modified machine cushion on the capability of suppressing impact and vibration[M].Elsevier Science Ltd.2009,3(14):991-999.
[6] 王岩,杨耀东,冯雅丽,et al.举升缸缓冲装置设计与仿真分析[J].机床与液压,2011,39(20):73-75.
[7] 刘波,吴嵩,丁凡,et al.高速液压缸平板节流缓冲过程的研究[J].机床与液压,2004(9):40-41.
[8] 张日红,杜群贵.基于AMESIM的高速气缸新型缓冲装置缓冲性能研究[J].振动与冲击,2017(21):99-105.