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ZB30普通防爆型戶外多回轉閥門電動執行器的詳細資料:
普通防爆型戶外多回轉閥門電動執行器產品概述(shu):
防(fang)爆(bao)閥門電動(dong)執行器(qi)的性能符合GB3836.1-2000《爆炸性氣體環境用電氣設備第1部分:通用要求》,GB3836.2-2000《爆炸性氣體環境用電氣設備第2部分:隔爆型“d”》及JB/T8529-1997《隔爆型閥門(men)電動裝置(zhi)技術條件》的規定。隔爆(bao)型閥門電動(dong)裝置產品有dⅠ和dⅡBT4兩(liang)種,dⅠ適(shi)(shi)用于煤(mei)礦非采掘工(gong)作面;dⅡBT4用于工(gong)廠,適(shi)(shi)用于環境為ⅡA、ⅡB級T1~T4組(zu)的(de)爆(bao)炸性(xing)氣體混合物。
工作環境:
1 電源:常規,三(san)相380V(50Hz)
特殊,三相(xiang)660V、415V(50Hz 、60Hz);
單相220V、110V(50Hz 、60Hz)
2 工作環境:
2.1 環境溫度:-20~+60℃ (特殊訂貨-40~+80℃)。
2.2 相對濕度:≤95%(25℃時)。
2.3 防護(hu)類型:戶外(wai)型用于(yu)(yu)無(wu)易燃、易爆(bao)和無(wu)腐蝕性(xing)介質的場所。隔爆(bao)型產(chan)品有dⅠ和dⅡBT4兩種,dⅠ適用于(yu)(yu)煤礦非(fei)采掘工(gong)作面;dⅡBT4用于(yu)(yu)工(gong)廠,適用于(yu)(yu)環境為(wei)ⅡA、ⅡB級(ji)T1~T4組的爆(bao)炸性(xing)氣(qi)體(ti)混合物(wu)。
2.4 防護等級:IP55(特(te)殊訂(ding)貨IP65、IP67)。
3 工作制:短(duan)時(shi)10分鐘(zhong)(特殊(shu)訂貨30分鐘(zhong))。
型號規格(ge)及技術參(can)數:
型號規格 | 公稱轉矩(N,m) | 公稱推力(KN) | Z大閥(fa)桿直徑(mm) | Z大轉圈數(圈) | 手動速比 | 輸出轉速(r/min) | 電機功率(KW) | 參考重量(Kg) |
Z5 | 50 | 20 | 28 | 60 | 1::1 | 12 | 0.12 | 28 |
Z10 | 100 | 40 | 28 | 60 | 1::1 | 182436 | 0.250.37 | 45 |
Z15 | 150 | 182436 | 0.370.55 | 50 | ||||
Z20 | 200 | 100 | 40 | 60 | 1::1 | 1824 | 0.370.55 | 55 |
Z30 | 300 | 1824 | 0.550.75 | 58 | ||||
Z45 | 450 | 150 | 48 | 120 | 1::1(20::1) | 2436 | 1.11.5 | 110 |
Z60 | 600 | 2436 | 1.52.2 | 120 | ||||
Z90 | 900 | 200 | 60 | 120 | 1::1(25::1) | 2436 | 2.23 | 139 |
Z120 | 1200 | 2436 | 34 | 142 | ||||
Z180 | 1800 | 325 | 70 | 150 | 22.5::1 | 1824 | 45.5 | 250 |
Z250 | 2500 | 1824 | 5.57.5 | 255 | ||||
Z350 | 3500 | 700 |
| 150 | 20::1 | 1824 | 7.510 | 330 |
Z500 | 5000 | 80 | 1824 | 1015 | 35 |
注1:可按用戶要求提供其(qi)它轉(zhuan)速(su):12、18、24、30、36、42、48、60(r/min)
注(zhu)2:當產品提供(gong)四層(ceng)計數(shu)器(qi)時,Z大轉圈(quan)數(shu)為表1圈(quan)數(shu)*10
普通防爆型戶外多回轉閥門電動執行器結構說明(ming)
1、電動(dong)機(ji):戶外(wai)型(xing)采用YDF型(xing),隔爆型(xing)采用YBDF型(xing)閥門三相異步電動(dong)機(ji)。
2、減速機構:由一對直齒輪和蝸輪副兩級傳(chuan)動(dong)組成。電動(dong)機的動(dong)力(li)經減速機構傳(chuan)遞給輸出軸。
3、力矩(ju)(ju)控制(zhi)機(ji)構:當(dang)輸出(chu)軸(zhou)上(shang)受到(dao)一(yi)定轉(zhuan)(zhuan)矩(ju)(ju)后(hou),蝸桿除旋(xuan)轉(zhuan)(zhuan)外還(huan)產(chan)生(sheng)(sheng)軸(zhou)向位移(yi),帶動(dong)曲拐,曲拐直(zhi)接(或通過撞塊)帶動(dong)支架(jia)產(chan)生(sheng)(sheng)角(jiao)位移(yi)。當(dang)輸出(chu)軸(zhou)上(shang)的(de)轉(zhuan)(zhuan)矩(ju)(ju)增(zeng)大到(dao)整定轉(zhuan)(zhuan)矩(ju)(ju)時(shi),則支架(jia)產(chan)生(sheng)(sheng)的(de)位移(yi)量使微動(dong)開關動(dong)作,從(cong)而(er)切斷電(dian)機(ji)電(dian)源(yuan),電(dian)動(dong)機(ji)停轉(zhuan)(zhuan)。以此實現對電(dian)動(dong)裝置(zhi)輸出(chu)轉(zhuan)(zhuan)矩(ju)(ju)的(de)控制(zhi),達到(dao)保護電(dian)動(dong)閥門(men)的(de)目(mu)的(de)。
4、行程控制機構:
采用十進制(zhi)(zhi)計數(shu)器原理,又稱為(wei)(wei)計數(shu)器,控制(zhi)(zhi)精度(du)高,結構見圖7。其工(gong)(gong)作原理為(wei)(wei):由減速箱內的(de)一對大小(xiao)傘齒輪帶動(dong)(dong)中(zhong)傳小(xiao)齒輪,再(zai)帶動(dong)(dong)行(xing)程控制(zhi)(zhi)機(ji)構工(gong)(gong)作。如(ru)果(guo)行(xing)程控制(zhi)(zhi)器按(an)閥門開(kai)、關的(de)位置已(yi)調(diao)整好(hao)(hao),當(dang)控制(zhi)(zhi)器隨輸出軸轉動(dong)(dong)到預(yu)先調(diao)整好(hao)(hao)的(de)位置(圈(quan)(quan)數(shu))時,則凸(tu)輪將(jiang)轉動(dong)(dong)90°,迫使(shi)微動(dong)(dong)開(kai)關動(dong)(dong)作,切(qie)斷電(dian)動(dong)(dong)機(ji)電(dian)源,電(dian)動(dong)(dong)機(ji)停轉,從而(er)實現對電(dian)動(dong)(dong)裝置行(xing)程(轉圈(quan)(quan)數(shu))的(de)控制(zhi)(zhi)。
注(zhu)1:為(wei)了控(kong)制較(jiao)多轉(zhuan)圈數的閥門,可調(diao)整(zheng)凸輪轉(zhuan)180°或270°再壓迫微動(dong)開(kai)關動(dong)作。
5、開度指示(shi)機(ji)構:結構見圖8。輸入齒輪(lun)由(you)計數(shu)器個位齒輪(lun)帶動(dong),經減速(su)后,指示(shi)盤隨(sui)閥門的開關過程同(tong)時(shi)轉(zhuan)(zhuan)動(dong),以(yi)指示(shi)閥門的開關量(liang),電位器軸(zhou)和(he)指示(shi)盤同(tong)步轉(zhuan)(zhuan)動(dong),供遠傳開度指示(shi)用(yong)。移(yi)動(dong)轉(zhuan)(zhuan)圈數(shu)調整齒輪(lun)可以(yi)改變轉(zhuan)(zhuan)圈數(shu)。開度指示(shi)機(ji)構內設一微動(dong)開關和(he)凸輪(lun),當電動(dong)裝置運轉(zhuan)(zhuan)時(shi),旋轉(zhuan)(zhuan)凸輪(lun)周(zhou)期性地使微動(dong)開關動(dong)作,其(qi)頻率為輸出軸(zhou)轉(zhuan)(zhuan)動(dong)一圈動(dong)作一次(ci)或(huo)二次(ci),可供閃光信號等使用(yong)。
6、手(shou)—電(dian)動(dong)(dong)(dong)(dong)切(qie)換(huan)機構:為半自(zi)(zi)動(dong)(dong)(dong)(dong)切(qie)換(huan),手(shou)動(dong)(dong)(dong)(dong)時(shi)需扳動(dong)(dong)(dong)(dong)手(shou)柄(bing)切(qie)換(huan),手(shou)動(dong)(dong)(dong)(dong)狀態(tai)轉(zhuan)變為電(dian)動(dong)(dong)(dong)(dong)時(shi)則自(zi)(zi)動(dong)(dong)(dong)(dong)運行。其結構見(jian)圖9。它由手(shou)柄(bing)、切(qie)換(huan)件、直(zhi)(zhi)立(li)桿、離合(he)器(qi)、壓簧等組成。需手(shou)**作(zuo)時(shi),將(jiang)手(shou)柄(bing)向(xiang)手(shou)動(dong)(dong)(dong)(dong)方(fang)向(xiang)推動(dong)(dong)(dong)(dong),切(qie)換(huan)件使離合(he)器(qi)抬高,并壓迫壓簧。當手(shou)柄(bing)推到一定(ding)位置時(shi),離合(he)器(qi)即(ji)脫(tuo)離蝸輪(lun)而(er)與(yu)(yu)手(shou)輪(lun)嚙(nie)合(he),同時(shi)直(zhi)(zhi)立(li)桿在扭簧作(zuo)用(yong)下直(zhi)(zhi)立(li)于(yu)蝸輪(lun)端面,支撐住離合(he)器(qi)不致下落,切(qie)換(huan)完成即(ji)可(ke)放開(kai)手(shou)柄(bing),使用(yong)手(shou)輪(lun)進行操(cao)(cao)作(zuo)。而(er)需電(dian)動(dong)(dong)(dong)(dong)操(cao)(cao)作(zuo)時(shi),電(dian)動(dong)(dong)(dong)(dong)機將(jiang)帶動(dong)(dong)(dong)(dong)蝸輪(lun)轉(zhuan)動(dong)(dong)(dong)(dong),支承于(yu)蝸輪(lun)端面的直(zhi)(zhi)立(li)桿即(ji)倒(dao)下,在壓簧作(zuo)用(yong)下離合(he)器(qi)迅速向(xiang)蝸輪(lun)方(fang)向(xiang)移動(dong)(dong)(dong)(dong),并與(yu)(yu)蝸輪(lun)嚙(nie)合(he),同時(shi)與(yu)(yu)手(shou)輪(lun)脫(tuo)開(kai),自(zi)(zi)動(dong)(dong)(dong)(dong)實現(xian)手(shou)動(dong)(dong)(dong)(dong)到電(dian)動(dong)(dong)(dong)(dong)狀態(tai)的轉(zhuan)換(huan)。
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