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| Content Provider | IET Digital Library |
|---|---|
| Author | Xu, Liping Ma, Haoyi Ren, Dezhi |
| Abstract | It is difficult to accurately calculate the working load of the multi-way valve of the crawler tractor in the traditional method. In practice, the spool and valve body are prone to over-standard leakage and clamping problems in relative movement. This study analyses the mechanism of clamp and leakage problems caused by deformation, considering the influence of gradual change of oil channel diameter and direction change in the valve body caused by the throttling of the spool. Numerical simulation of heat–fluid–solid coupling for multi-way valves is carried out. Under the condition of maximum pressure, the characteristic curve of material deformation of different spool and valve body changes with oil temperature is obtained. By evaluating the fitting characteristics of the spool and valve body of common materials, the optimal fit clearance is determined accurately. This effectively solves the contradiction between the clamping and leakage of the multi-way valve and improves the performance of the multi-way valve. |
| Starting Page | 247 |
| Ending Page | 252 |
| Page Count | 6 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 13, Jan (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9036 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-22 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Aerodynamics Agricultural Machinery Clamp Clamping Problem Deformation Direction Change Fit Clearance Research Fluid Mechanics Heat–fluid–solid Coupling Leakage Problem Mechanical Component Mechanical Engineering Multiway Valve Numerical Analysis Numerical Approximation And Analysis Numerical Simulation Oil Channel Diameter Over-standard Leakage Spool Valve Body Changes Valves |
| Content Type | Text |
| Resource Type | Article |
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