精品永久久福利一区二区_久久精品国产亚洲AV影院_国产黄大片在线观看画质优化_影音先锋中文字幕人妻

一、角行程DKJ電子調節型電動執行機構介紹

  DKJ系(xi)(xi)(xi)(xi)列電(dian)(dian)動執(zhi)行(xing)機(ji)(ji)構(gou)(gou)是工業過程測量和(he)控(kong)(kong)制系(xi)(xi)(xi)(xi)統(tong)的終(zhong)端(duan)控(kong)(kong)制裝置，它(ta)能夠系(xi)(xi)(xi)(xi)統(tong)的控(kong)(kong)制信號轉(zhuan)換(huan)成輸(shu)(shu)出(chu)軸(zhou)的角位(wei)移(yi)、直線位(wei)移(yi)，控(kong)(kong)制閥(fa)門(men)等截流件的位(wei)置或其它(ta)調(diao)節機(ji)(ji)構(gou)(gou)，使被(bei)控(kong)(kong)介(jie)質按系(xi)(xi)(xi)(xi)統(tong)規定狀態工作。 電(dian)(dian)動執(zhi)行(xing)機(ji)(ji)構(gou)(gou)按控(kong)(kong)制方(fang)式(shi)(shi)(shi)分為比例(li)(li)和(he)積分式(shi)(shi)(shi)。比例(li)(li)式(shi)(shi)(shi)執(zhi)行(xing)機(ji)(ji)構(gou)(gou)由(you)電(dian)(dian)動伺服放大(da)器(qi)和(he)積分式(shi)(shi)(shi)執(zhi)行(xing)機(ji)(ji)構(gou)(gou)組成，它(ta)能夠將系(xi)(xi)(xi)(xi)統(tong)的控(kong)(kong)制信號與關(guan)于輸(shu)(shu)出(chu)軸(zhou)位(wei)置的反饋(kui)信號加以比較（閉(bi)環控(kong)(kong)制）以改變輸(shu)(shu)出(chu)軸(zhou)的行(xing)程，使之與輸(shu)(shu)出(chu)信號成比例(li)(li)關(guan)系(xi)(xi)(xi)(xi)。積分式(shi)(shi)(shi)執(zhi)行(xing)機(ji)(ji)構(gou)(gou)由(you)伺服電(dian)(dian)機(ji)(ji)、減(jian)速器(qi)及(ji)位(wei)置發送器(qi)組成，它(ta)能夠與電(dian)(dian)動操作器(qi)配合(he)對閥(fa)門(men)或其它(ta)調(diao)節機(ji)(ji)構(gou)(gou)實現(xian)遠方(fang)操作。 

二、角行程DKJ電子調節型電動執行機構技術參數

 DKJ系列電動(dong)執行機構按照 GB11922-89工業(ye)過程測量和控(kong)制系統用電動(dong)執行機構的規定制造。

     1. 輸(shu)入信號(hao): 電子式:4--20mADC 或 0--10mADC, 普通式:開關量

     2. 輸入通道電阻:  250歐姆(mu)或(huo)200歐姆(mu)

     3. 輸入通道個(ge)數(shu):  普通型配放大器3個(ge)，電子式(shi)1個(ge)

     4. 基本誤差:          2.5

     5. 回(hui)差:          ;  1.5

     6. 死(si)區:              3

     7. 阻尼特性(xing):         3次半周期

     8. 電源電壓:         220V   或(huo) ;380V ，50Hz

     9. 工(gong)作環境:         溫度: -10 0 C -- +55 0 C ，濕度 :95,

三、安裝、調試

1.安裝(zhuang)

1.1.伺服放大(da)器(qi)的(de)安裝

伺服放(fang)大器為控制室內(nei)安裝使用(yong)的儀表。

伺(si)服放(fang)大器有兩種安(an)裝(zhuang)型(xing)式：墻掛式結(jie)構可垂直安(an)裝(zhuang)在控(kong)制柜(ju)內的(de)金屬架立柱上(shang)，架裝(zhuang)式結(jie)構安(an)裝(zhuang)在控(kong)制柜(ju)內的(de)機架上(shang)。伺(si)服放(fang)大器的(de)外形(xing)及安(an)裝(zhuang)尺寸按伺(si)服放(fang)大器安(an)裝(zhuang)說明書的(de)規定。

1.2.積分式(shi)執行機構(gou)的安(an)裝(zhuang)

執行(xing)機(ji)構安裝在(zai)混凝土或金屬(shu)骨(gu)架(jia)的基座上并(bing)用地腳螺釘緊固。執行(xing)機(ji)構的輸出臂(bei)終端可(ke)通過連桿及接(jie)頭與(yu)調節(jie)機(ji)構連接(jie)。

執行(xing)機(ji)構在出(chu)廠(chang)時未加(jia)潤滑油(you)(you)，在正(zheng)式投入運行(xing)前應(ying)取(qu)下減(jian)速(su)器上(shang)方的吊環(huan)螺(luo)釘(ding)，從該(gai)螺(luo)孔內加(jia)入機(ji)械油(you)(you)，機(ji)械油(you)(you)的注入量從油(you)(you)窗上(shang)觀察，油(you)(you)面應(ying)位于(yu)兩油(you)(you)孔之間。

2.調整

2.1.工作位置調整

松開(kai)(kai)緊(jin)(jin)固(gu)制(zhi)動(dong)(dong)(dong)(dong)(dong)塊的(de)(de)(de)(de)螺母，卸(xie)下(xia)(xia)(xia)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機插頭(tou)，拆下(xia)(xia)(xia)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)發送器罩蓋，將(jiang)手輪及電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機手柄置(zhi)(zhi)(zhi)于(yu)“手動(dong)(dong)(dong)(dong)(dong)"位(wei)(wei)(wei)置(zhi)(zhi)(zhi)，搖動(dong)(dong)(dong)(dong)(dong)手輪使(shi)(shi)(shi)輸(shu)(shu)(shu)出(chu)軸(zhou)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)到對應(ying)于(yu)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)反(fan)(fan)饋(kui)電(dian)(dian)流(liu)下(xia)(xia)(xia)限(xian)(xian)(xian)的(de)(de)(de)(de)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)（以下(xia)(xia)(xia)簡稱(cheng)下(xia)(xia)(xia)限(xian)(xian)(xian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)）。根(gen)據(ju)工(gong)作(zuo)狀態是(shi)(shi)正(zheng)作(zuo)用還(huan)是(shi)(shi)反(fan)(fan)作(zuo)用使(shi)(shi)(shi)一個制(zhi)動(dong)(dong)(dong)(dong)(dong)塊緊(jin)(jin)貼住(zhu)輸(shu)(shu)(shu)出(chu)臂，緊(jin)(jin)固(gu)好(hao)固(gu)定制(zhi)動(dong)(dong)(dong)(dong)(dong)塊的(de)(de)(de)(de)螺母，搖動(dong)(dong)(dong)(dong)(dong)手輪（正(zheng)作(zuo)用時順時針轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)，反(fan)(fan)作(zuo)用時逆時針轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)），使(shi)(shi)(shi)輸(shu)(shu)(shu)出(chu)軸(zhou)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)90°(此位(wei)(wei)(wei)置(zhi)(zhi)(zhi)以下(xia)(xia)(xia)簡稱(cheng)上(shang)(shang)限(xian)(xian)(xian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)）。使(shi)(shi)(shi)另一個制(zhi)動(dong)(dong)(dong)(dong)(dong)塊緊(jin)(jin)貼住(zhu)輸(shu)(shu)(shu)出(chu)臂另一側(ce)，緊(jin)(jin)固(gu)好(hao)螺母。調(diao)整凸(tu)輪，使(shi)(shi)(shi)其在輸(shu)(shu)(shu)出(chu)軸(zhou)位(wei)(wei)(wei)于(yu)兩個極限(xian)(xian)(xian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)時使(shi)(shi)(shi)相應(ying)的(de)(de)(de)(de)微動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)關動(dong)(dong)(dong)(dong)(dong)作(zuo)，將(jiang)凸(tu)輪軸(zhou)上(shang)(shang)的(de)(de)(de)(de)圓螺母緊(jin)(jin)固(gu)好(hao)。接(jie)好(hao)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機插頭(tou)，將(jiang)手輪及電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機手柄置(zhi)(zhi)(zhi)于(yu)“電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)"位(wei)(wei)(wei)置(zhi)(zhi)(zhi)，接(jie)通電(dian)(dian)源，使(shi)(shi)(shi)輸(shu)(shu)(shu)出(chu)軸(zhou)往復(fu)旋轉(zhuan)(zhuan)，觀察調(diao)整的(de)(de)(de)(de)正(zheng)確(que)性。將(jiang)輸(shu)(shu)(shu)出(chu)軸(zhou)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)到下(xia)(xia)(xia)限(xian)(xian)(xian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)，松開(kai)(kai)緊(jin)(jin)固(gu)導電(dian)(dian)塑(su)料電(dian)(dian)位(wei)(wei)(wei)器的(de)(de)(de)(de)壓板(ban)上(shang)(shang)的(de)(de)(de)(de)螺釘(ding)，握(wo)住(zhu)電(dian)(dian)位(wei)(wei)(wei)器使(shi)(shi)(shi)之緩慢(man)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)到位(wei)(wei)(wei)置(zhi)(zhi)(zhi)反(fan)(fan)饋(kui)電(dian)(dian)流(liu)為(wei)工(gong)作(zuo)信號(hao)范圍下(xia)(xia)(xia)*為(wei)止，緊(jin)(jin)固(gu)好(hao)壓板(ban)上(shang)(shang)的(de)(de)(de)(de)螺釘(ding)。如有(you)差異可調(diao)整印(yin)制(zhi)電(dian)(dian)路板(ban)上(shang)(shang)的(de)(de)(de)(de)“0"電(dian)(dian)位(wei)(wei)(wei)器，接(jie)通電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)機使(shi)(shi)(shi)輸(shu)(shu)(shu)出(chu)軸(zhou)向上(shang)(shang)限(xian)(xian)(xian)方(fang)向轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)(dong)，位(wei)(wei)(wei)置(zhi)(zhi)(zhi)反(fan)(fan)饋(kui)電(dian)(dian)流(liu)應(ying)增加（如位(wei)(wei)(wei)置(zhi)(zhi)(zhi)反(fan)(fan)饋(kui)電(dian)(dian)流(liu)在減少到某一點后突然陡上(shang)(shang)又減少，則須將(jiang)導電(dian)(dian)塑(su)料電(dian)(dian)位(wei)(wei)(wei)器上(shang)(shang)的(de)(de)(de)(de)1、3接(jie)線(xian)(xian)頭(tou)對調(diao)并重新(xin)調(diao)整位(wei)(wei)(wei)置(zhi)(zhi)(zhi)反(fan)(fan)饋(kui)電(dian)(dian)流(liu)下(xia)(xia)(xia)限(xian)(xian)(xian)。當輸(shu)(shu)(shu)出(chu)軸(zhou)到達(da)上(shang)(shang)限(xian)(xian)(xian)后，調(diao)整印(yin)制(zhi)線(xian)(xian)路板(ban)上(shang)(shang)的(de)(de)(de)(de)100電(dian)(dian)位(wei)(wei)(wei)器，使(shi)(shi)(shi)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)反(fan)(fan)饋(kui)信號(hao)為(wei)工(gong)作(zuo)信號(hao)范圍上(shang)(shang)限(xian)(xian)(xian)。

對于比例式執行機(ji)構(gou)，接入伺服放(fang)大器(qi)(qi)，使(shi)輸(shu)入信(xin)(xin)號(hao)(hao)為(wei)工作信(xin)(xin)號(hao)(hao)范圍下限，輸(shu)出軸應轉(zhuan)動到(dao)下限位(wei)置(zhi)，如(ru)偏離(li)，可(ke)調整導(dao)電塑料電位(wei)器(qi)(qi)或印制電路板上(shang)(shang)的0電位(wei)器(qi)(qi)；使(shi)輸(shu)入信(xin)(xin)號(hao)(hao)為(wei)工作范圍上(shang)(shang)限，輸(shu)出軸應轉(zhuan)動到(dao)上(shang)(shang)限位(wei)置(zhi)，如(ru)偏離(li)，可(ke)調整印制電路板上(shang)(shang)的100電位(wei)器(qi)(qi)。調整完畢，裝(zhuang)好位(wei)置(zhi)發送器(qi)(qi)的罩蓋(gai)。