单(Dan)双(Shuang)作(Zuo)用(Yong)气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)工(Gong)作(Zuo)原(Yuan)理(Li)图(Tu)

       气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)又(You)称(Cheng)气(Qi)动(Dong)执(Zhi)行(Xing)机(Ji)构(Gou)或(Huo)气(Qi)动(Dong)装(Zhuang)置(Zhi)，(?)但(Dan)一(Yi)般(Ban)通(Tong)俗(Su)的(De)叫(Jiao)法(Fa)为(Wei)“(?)气(Qi)动(Dong)头(Tou)”(?)，(?)它(Ta)是(Shi)通(Tong)过(Guo)利(Li)用(Yong)气(Qi)源(Yuan)来(Lai)压(Ya)力(Li)驱(Qu)动(Dong)启(Qi)闭(Bi)或(Huo)调(Diao)节(Jie)阀(Fa)门(Men)的(De)执(Zhi)行(Xing)装(Zhuang)置(Zhi)。(?)气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)相(Xiang)对(Dui)于(Yu)电(Dian)动(Dong)执(Zhi)行(Xing)器(Qi)来(Lai)说(Shuo)，(?)执(Zhi)行(Xing)的(De)速(Su)度(Du)非(Fei)常(Chang)快(Kuai)，(?)最(Zui)快(Kuai)可(Ke)达(Da)0.05秒(Miao)/次(Ci)！(?)气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)根(Gen)据(Ju)作(Zuo)用(Yong)形(Xing)式(Shi)不(Bu)同(Tong)分(Fen)为(Wei)单(Dan)作(Zuo)用(Yong)和(He)双(Shuang)作(Zuo)用(Yong)，(?)两(Liang)者(Zhe)区(Qu)别(Bie)及(Ji)原(Yuan)理(Li)也(Ye)都(Du)不(Bu)尽(Jin)相(Xiang)同(Tong)！(?)

      双(Shuang)作(Zuo)用(Yong)执(Zhi)行(Xing)器(Qi)主(Zhu)要(Yao)为(Wei)气(Qi)开(Kai)气(Qi)关(Guan)式(Shi)，(?)即(Ji)阀(Fa)门(Men)无(Wu)论(Lun)是(Shi)开(Kai)启(Qi)还(Huan)是(Shi)关(Guan)闭(Bi)都(Du)需(Xu)要(Yao)用(Yong)到(Dao)气(Qi)源(Yuan)，(?)通(Tong)常(Chang)表(Biao)现(Xian)为(Wei)通(Tong)气(Qi)打(Da)开(Kai)，(?)通(Tong)气(Qi)关(Guan)闭(Bi)，(?)失(Shi)去(Qu)气(Qi)源(Yuan)，(?)阀(Fa)门(Men)保(Bao)持(Chi)在(Zai)当(Dang)时(Shi)状(Zhuang)态(Tai)，(?)气(Qi)源(Yuan)重(Zhong)新(Xin)连(Lian)接(Jie)上(Shang)后(Hou)，(?)阀(Fa)门(Men)才(Cai)可(Ke)继(Ji)续(Xu)工(Gong)作(Zuo)。(?)



      单(Dan)作(Zuo)用(Yong)执(Zhi)行(Xing)器(Qi)则(Ze)具(Ju)有(You)弹(Dan)簧(Huang)复(Fu)位(Wei)的(De)功(Gong)能(Neng)，(?)根(Gen)据(Ju)工(Gong)况(Kuang)需(Xu)要(Yao)可(Ke)选(Xuan)择(Ze)常(Chang)开(Kai)式(Shi)和(He)常(Chang)闭(Bi)式(Shi)，(?)情(Qing)况(Kuang)1：(?):通(Tong)气(Qi)打(Da)开(Kai)，(?)失(Shi)去(Qu)气(Qi)源(Yuan)时(Shi)，(?)自(Zi)动(Dong)复(Fu)位(Wei)到(Dao)初(Chu)始(Shi)关(Guan)闭(Bi)状(Zhuang)态(Tai)。(?)情(Qing)况(Kuang)2：(?)通(Tong)气(Qi)关(Guan)闭(Bi)，(?)失(Shi)去(Qu)气(Qi)源(Yuan)时(Shi)，(?)自(Zi)动(Dong)复(Fu)位(Wei)到(Dao)初(Chu)始(Shi)打(Da)开(Kai)状(Zhuang)态(Tai)。(?)

      双(Shuang)作(Zuo)用(Yong)气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)一(Yi)般(Ban)用(Yong)在(Zai)对(Dui)泄(Xie)露(Lu)要(Yao)求(Qiu)不(Bu)高(Gao)的(De)工(Gong)况(Kuang)中(Zhong)，(?)而(?)单(Dan)作(Zuo)用(Yong)气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)则(Ze)用(Yong)于(Yu)危(Wei)险(Xian)的(De)工(Gong)况(Kuang)中(Zhong)使(Shi)用(Yong)较(Jiao)多(Duo)，(?)可(Ke)在(Zai)失(Shi)去(Qu)气(Qi)源(Yuan)货(Huo)出(Chu)现(Xian)突(Tu)发(Fa)故(Gu)障(Zhang)时(Shi)，(?)将(Jiang)阀(Fa)门(Men)快(Kuai)速(Su)关(Guan)闭(Bi)或(Huo)打(Da)开(Kai)。(?)在(Zai)价(Jia)格(Ge)上(Shang)，(?)单(Dan)作(Zuo)用(Yong)气(Qi)动(Dong)执(Zhi)行(Xing)器(Qi)比(Bi)双(Shuang)作(Zuo)用(Yong)会(Hui)高(Gao)。(?)