• CN:11-2187/TH
  • ISSN:0577-6686

›› 2006, Vol. 42 ›› Issue (4): 227-229.

• 论文 • 上一篇    下一篇

液压锁空载恢复时间的控制

黄琳;刘三友   

  1. 中国航空工业第一集团公司航宇救生装备有限公司;中国铁道建筑总公司北京铁城建设监理有限责任公司
  • 发布日期:2006-04-15

RECOVERY TIME CONTROL OF THE HYDRAULIC LOCK

Huang Lin;Liu Sanyou   

  1. Aerospace Life-support Industry Ltd., China Aviation Industry Corporation Beijing Tiecheng Construction Consultant Co. Ltd, China Railway Construction Corp.
  • Published:2006-04-15

摘要: 液压锁的空载恢复时间受诸多因素的影响,而使用中又往往要求将其控制在非常精确的范围内。在分析液压锁工作原理的基础上,找出空载恢复时间数据离散的原因,是液压锁内的控制杆在运动过程中影响了液压锁轴上节流孔的有效流通面积。进一步建立液压锁油路的物理模型和数学模型,经计算分析得知,油路中的节流孔以及环形缝隙对空载恢复时间有着最重要的影响。当对节流孔以及环形缝隙两变量赋予合适的数值时,得到的空载恢复时间数据符合设计规范的要求。最后通过试验,计算结果的正确性得到了验证。

关键词: 环形缝隙, 节流孔, 空载恢复时间, 油路

Abstract: Recovery time of hydraulic lock is influenced by many factors, which is often required to be controlled in an exact range during the practical use. On the basis of analysing the operational principle for the hydraulic lock, the cause of the datum discreteness for the recovery time is found out, it is that the control rod in the hydraulic lock affected the effective flow area of the throttle gate. Through the establishment of the hydraulic oil channels physical model and mathematical model as well as the further calculation and analysis, it is concluded that the throttle gate and the annular gap are the most important factors to the recovery time. The datum of the recovery time are clarified to be in line with the requirements of the design criterion by choosing the proper parameters for the throttle gate and the annular gap. The accuracy of the calculation results is finally verified through experiments.

Key words: Annular gap, Hydraulic oil channels Throttle gate, Recovery time

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