Abstract
In order to improve the performance of multi-stage cylinder to achieve rapid and steady extension, a novel throttlinginside-piston multi-stage hydraulic cylinder is proposed without changing physical size and piston working strokes of the traditional sequential multi-stage hydraulic cylinder. Based on internal structure optimal design and basic size parameter calculation, the mathematical model of the proposed throttling-inside-piston multi-stage hydraulic cylinder is studied using multi-rigid-body and impact-recovery dynamic theory. Then, the diameters of the orifices within the pistons are optimized using constraint optimization technique. Comparative simulation results show that the new type of throttlinginside-piston multi-stage hydraulic cylinder can significantly enhance the rapidity and steadiness for the erecting system.
| Original language | English |
|---|---|
| Article number | 15622904 |
| Journal | Advances in Mechanical Engineering |
| Volume | 7 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2015 |
Keywords
- Multi-stage hydraulic cylinder
- erecting system
- parameter optimization
- throttling-inside-piston
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