Study of Landing Gear Actuating Cylinder's Inner-lock
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摘要: 以卡环锁、钢球锁、指形锁3种飞机起落架作动筒内锁为研究对象,阐述了3种作动筒内锁的工作原理,分析了3种内锁核心构件的受力情况、开锁压力和工艺要求。研究分析结果表明:钢球锁上锁力小,制造、安装方便;卡环锁上锁力大,工艺要求高;指形锁上锁压力大,稳定可靠,制造、安装难度大。Abstract: Three kinds landing gear actuating cylinder's inner-locks of aircraft: block ring lock,ball lock,finger lock are taken as study object base on some aircraft typical inner-lock practical application,the working principle of the three typical actuating cylinder's inner-locks are described,the stress and workmanship requirements of the three inner-lock key components are analysised.It is found that the ball lock requires small locking pressure and it is easy to be fabricated and installed,the block ring lock requires large locking pressure and high workmanship requirements,while finger lock also requires large lock pressure with stable working behaviour but is difficult to be fabricated and installed.
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