眼(Yan)镜(Jing)阀(Fa)结(Jie)构(Gou)特(Te)点(Dian)

　(?)　(?)眼(Yan)镜(Jing)阀(Fa)结(Jie)构(Gou)特(Te)点(Dian)：(?)
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　(?)　(?)盲(Mang)板(Ban)阀(Fa)（(?)眼(Yan)镜(Jing)阀(Fa)）(?)是(Shi)一(Yi)种(Zhong)手(Shou)、(?)电(Dian)动(Dong)或(Huo)气(Qi)、(?)液(Ye)动(Dong)切(Qie)断(Duan)气(Qi)体(Ti)介(Jie)质(Zhi)的(De)闸(Zha)板(Ban)阀(Fa)，(?)一(Yi)般(Ban)分(Fen)为(Wei)电(Dian)动(Dong)盲(Mang)板(Ban)阀(Fa)、(?)液(Ye)动(Dong)盲(Mang)板(Ban)阀(Fa)、(?)封(Feng)闭(Bi)式(Shi)插(Cha)板(Ban)阀(Fa)、(?)电(Dian)动(Dong)敞(Chang)开(Kai)式(Shi)盲(Mang)板(Ban)。(?)
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　(?)　(?)结(Jie)构(Gou)：(?)盲(Mang)板(Ban)阀(Fa)由(You)左(Zuo)、(?)右(You)阀(Fa)体(Ti)、(?)伸(Shen)缩(Suo)机(Ji)构(Gou)、(?)扇(Shan)形(Xing)阀(Fa)板(Ban)及(Ji)驱(Qu)动(Dong)阀(Fa)板(Ban)的(De)电(Dian)动(Dong)推(Tui)杆(Gan)Ⅰ(?)和(He)夹(Jia)紧(Jin)、(?)松(Song)开(Kai)的(De)电(Dian)动(Dong)推(Tui)杆(Gan)Ⅱ(?)组(Zu)成(Cheng)。(?)
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　(?)　(?)盲(Mang)板(Ban)阀(Fa)特(Te)点(Dian)原(Yuan)理(Li)：(?)盲(Mang)板(Ban)阀(Fa)共(Gong)有(You)三(San)个(Ge)驱(Qu)动(Dong)装(Zhuang)置(Zhi)，(?)其(Qi)中(Zhong)有(You)两(Liang)个(Ge)手(Shou)动(Dong)夹(Jia)紧(Jin)或(Huo)松(Song)开(Kai)装(Zhuang)置(Zhi)，(?)一(Yi)个(Ge)为(Wei)使(Shi)闸(Zha)板(Ban)开(Kai)通(Tong)或(Huo)者(Zhe)关(Guan)闭(Bi)的(De)电(Dian)动(Dong)装(Zhuang)置(Zhi)，(?)在(Zai)开(Kai)或(Huo)关(Guan)闸(Zha)板(Ban)中(Zhong)，(?)首(Shou)先(Xian)松(Song)开(Kai)两(Liang)个(Ge)手(Shou)动(Dong)装(Zhuang)置(Zhi)，(?)而(?)后(Hou)再(Zai)启(Qi)动(Dong)电(Dian)动(Dong)装(Zhuang)置(Zhi)，(?)以(Yi)达(Da)到(Dao)闸(Zha)板(Ban)开(Kai)或(Huo)关(Guan)的(De)目(Mu)的(De)（(?)特(Te)别(Bie)注(Zhu)意(Yi)：(?)两(Liang)个(Ge)手(Shou)动(Dong)装(Zhuang)置(Zhi)不(Bu)松(Song)开(Kai)，(?)不(Bu)得(De)开(Kai)启(Qi)电(Dian)动(Dong)装(Zhuang)置(Zhi)）(?)，(?)闸(Zha)板(Ban)开(Kai)或(Huo)关(Guan)完(Wan)成(Cheng)后(Hou)，(?)再(Zai)将(Jiang)两(Liang)个(Ge)手(Shou)动(Dong)装(Zhuang)置(Zhi)夹(Jia)紧(Jin)，(?)管(Guan)道(Dao)方(Fang)能(Neng)进(Jin)行(Xing)工(Gong)作(Zuo)。(?)

       高(Gao)温(Wen)蝶(Die)阀(Fa),套(Tao)筒(Tong)阀(Fa),铸(Zhu)铁(Tie)闸(Zha)门(Men),卸(Xie)灰(Hui)阀(Fa),眼(Yan)镜(Jing)阀(Fa),渠(Qu)道(Dao)闸(Zha)门(Men)
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