航空 发表于 2011-7-15 23:38:28

ATA75章-发动机空气系统-VSV作动筒更换与润滑指南

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航空 发表于 2011-7-15 23:38:43

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">ATA75</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><FONT face="Times New Roman"><SPAN lang=EN-US style="mso-fareast-font-family: 'Times New Roman'"><SPAN style="mso-list: Ignore">1.<SPAN style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN></SPAN></SPAN><SPAN lang=EN-US>VSV</SPAN></FONT><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">作动筒的更换及润滑</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">:</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">1.1VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">作动筒是发动机高压压气机气路上一个非常重要的控制部件，作动筒动作改变发动机可调静子叶片的角度，优化发动机的气路性能和防喘；</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">1.2VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">作动筒是靠高压燃油来作动的，因此，安装好密封圈很重要；</SPAN><FONT face="Times New Roman"> </FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">1.3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">更换</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV ACT</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">非常重要的一步在于对作动筒作动杆与</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">连杆之间铰链的安装螺杆的装配，该螺杆很特殊，螺杆头是半圆形的，螺杆头直的一面贴住作动筒上的一个直面，螺杆的另一头用一螺帽拧紧并用开口销保险。如果安装该螺栓的时候没有将此半圆螺杆头装好贴面，就会在改变</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV ACT</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的作动范围，甚至会因为运动而产生间隙，造成发动机对可调静子叶片角度控制的失效。南航一架</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">320</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">空中停车，就是因为该螺栓没有装到位，导致大发喘震，引起飞机空中单发！</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman">1.4</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">润滑</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSC</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用的是特氟龙，设备有喷壶，航材可领特氟龙，喷时应断开作动筒的连接，用扳手夹住</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的作动曲柄，活动</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，让特氟龙均匀地喷在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的安装环四周，注意</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">是安装在大约整个发动机圆面的，所以要围绕大发的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">喷一周，完了再装好</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VSV</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">动作筒连接处，最后试车检查。</SPAN></P>

hyfu2011 发表于 2011-7-18 01:10:14

回复 1# 航空 的帖子

辛苦辛苦，学习学习

bocome 发表于 2011-7-28 19:56:55

ATA75章-发动机空气系统-VSV作动筒更换与润滑指南

b24097526 发表于 2012-2-16 13:44:29

支持楼主，希望能发更多对我们新入职的机务有用的东西！

桃丝兰 发表于 2012-4-15 17:09:35

这是一个航线可更换件

kwan2008 发表于 2013-10-13 23:24:30


ATA75章-发动机空气系统-VSV作动筒更换与润滑指南

xthshevchenko 发表于 2015-5-27 14:30:52

好好学习，掌握知识，学以致用

huhongyan 发表于 2015-8-4 17:01:18

很精彩谢谢啦

mschen_09 发表于 2016-9-13 13:48:29

好东西，学习了，收藏了
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