| 高压柱塞泵液缸体开裂分析 |
| |
| 引用本文： | 胡冬梅.高压柱塞泵液缸体开裂分析[J].煤矿机械,2011(11):108-110. |
| |
| 作者姓名： | 胡冬梅 |
| |
| 作者单位： | 无锡科技职业学院; |
| |
| 摘 要： | 针对高压柱塞泵液缸体开裂问题,对液缸的结构及受力情况进行研究,分析了液缸体的材料、壁厚确定和强度校核方法及安全系数的取值。当液体工作压力在50～70 MPa时,建议液缸选用42CrMo锻造液缸体。结构设计时,注意把液缸体内的高应力集中部位和高压交变载荷区分开来。在制造工艺上采取措施,所有孔的相交处倒圆角R5,并保证内孔的粗糙度Ra≤3.2μm,以减弱应力集中的影响。
|
| 关 键 词： | 高压柱塞泵 液缸 相贯孔 应力集中 裂纹 |
Analysis of Cracks on Hydraulic Cylinder of High Pressure Piston Pump |
| |
| HU Dong-mei.Analysis of Cracks on Hydraulic Cylinder of High Pressure Piston Pump[J].Coal Mine Machinery,2011(11):108-110. |
| |
| Authors: | HU Dong-mei |
| |
| Affiliation: | HU Dong-mei(Wuxi Professional College of Science and Technology,Wuxi 214028,China) |
| |
| Abstract: | Focuses on the occurrence of cracks on high pressure piston pump's hydraulic cylinder and does research on the structure of the hydraulic cylinder as well as the forces being applied to it.It analyses the method used in checking the wall thickness and strength,the material of the fluid cylinder and the value range of the safety factor.When the working pressure of the liquid is within 50~ 70 MPa,it is recommended to select 42CrMo forged hydraulic cylinder as the hydraulic cylinder.During structural designing... |
| |
| Keywords: | high pressure piston pump hydraulic cylinder pipe intersection stress concentration crack |
| 本文献已被 CNKI 等数据库收录！ |
|
