工作原理 兩級(jí)跑偏開(kāi)關(guān)NKPK1-12-30安裝在皮帶輸送機(jī)兩側(cè)、距離皮帶機(jī)首尾端部1~3m的地方。當(dāng)皮帶跑偏時(shí),皮帶邊緣壓向檔輪,迫使檔輪偏轉(zhuǎn),使限位開(kāi)關(guān)動(dòng)作。為減少檔輪與皮帶的摩擦,檔輪的本體是由軸承制作的。 當(dāng)發(fā)生輕微跑偏事故時(shí)(15°),DPP-K2/J型兩級(jí)跑偏開(kāi)關(guān)的*組觸點(diǎn)動(dòng)作,發(fā)出事故預(yù)告信號(hào)。 當(dāng)發(fā)生嚴(yán)重跑偏事故時(shí)(30°),DPP-K2/J型兩級(jí)跑偏開(kāi)關(guān)的第二組觸點(diǎn)動(dòng)作,可使輸送機(jī)自動(dòng)停車(chē)。 特點(diǎn) ·結(jié)構(gòu)簡(jiǎn)單實(shí)用、性能穩(wěn)定可靠 ·防塵、防震、防潮 ·體積小、重量輕、壽命長(zhǎng) ·安裝方便,免維護(hù) ·輸出信號(hào)既可與現(xiàn)場(chǎng)設(shè)備聯(lián)鎖使用,也可送達(dá)微機(jī)控制系統(tǒng) ·電源適應(yīng)性廣:24~380V(無(wú)源開(kāi)關(guān)量) 跑偏開(kāi)關(guān)NKPK1-12-30跑偏開(kāi)關(guān)NKPK1-12-30跑偏開(kāi)關(guān)NKPK1-12-30 技術(shù)參數(shù) 工作電壓:24~380V 型號(hào);NKPK1-12-30 絕緣電阻:>500MΩ 輸出信號(hào):無(wú)源開(kāi)關(guān)量信號(hào) 環(huán)境溫度:-20℃~+60℃ 環(huán)境濕度:<90% 重 量:2Kg 防護(hù)等級(jí):IP65 復(fù)位方式:自動(dòng)復(fù)位 響應(yīng)時(shí)間:<2mS 控制觸點(diǎn)容量:3-5A 動(dòng)作力:50±10N HG-500K HG-1000K SC125x150,/SC125x150 HF-2 HF-5 /SC125x200 HF-10 HF-20 SC125x250,/SC125x250 HF-50 HF-100 HF-200 /SC125x300 HF-500/HF500 / SC125x350 /SC125x400 HF-1K N02 N07 HT5 ()HG-1K /SC100x500 /SC100x600 /SC100x700 HG-2K /SC100x800 /SC100x900 /SC100x1000 HG-5K HG-10K HG-20K HG-30K HG-50K HG-100K /SC125x50 /SC80x1000 HG-5 /SC100x50 HG-10 /SC100x100 /SC100x150 HG-20 /SC100x200 /SC100x250 /SC100x300 HG-100 /SC100x350 HG-500/HG500 /SC100x400 /SC100x450 N05 N05/90 /SC80x150 /SC80x200 NK-10 /SC80x250 NK-20 /SC80x300 /SC80x350 /SC80x400 NK-30 /SC80x450 NK-50/NK50 /SC80x500 NK-100 /SC80x600 NK-200 /SC80x700 NK-300 /SC80x800 NK-500 /SC80x900 /SC63x150 IRC-630 /SC63x300 /SC63x350 BDM-1 /SC63x400 NV-100c /SC63x500 NV-100D /SC63x600 /SC63x700 KD-5 /SC63x800 V-500-4 /SC63x900 /SC63x1000 V-830 /SC80x50 /SC80x100 V-810 XA-911 /SC50x600 XP-702ⅡZ XP-3110 /SC50x700 XP-3160 / SC50x800 XP-707Ⅱ /SC50x900 /SC50x1000 XA-370 /SC63x50 XP-707B /SC63x100 /SC63x200 XP-311A /SC63x250 XA-328id PS-6AH/PS-6NH PS-6/PS-6N /SC40x900 /SC40x1000 /SC50x50 SZMJ-302 SZMJ-102 /SC50x100 PSY-2 /SC50x150 SZGM-01 /SC50x200 /SC50x250 ()HEWK-01 /SC50x300 BZX-1H1 /SC50x350 XP-311A /SC50x400 XP-3140 /SC50x450 /SC50x500 /SC40x50 SZE-02 SZBS-1 基本原理 當(dāng)輸送帶運(yùn)行中出現(xiàn)跑偏時(shí),輸送帶觸碰開(kāi)關(guān)立輥并使立輥偏轉(zhuǎn),當(dāng)立輥偏轉(zhuǎn)角度達(dá)到1級(jí)開(kāi)關(guān)角度時(shí),開(kāi)關(guān)發(fā)出報(bào)警信號(hào)。當(dāng)輸送帶跑偏嚴(yán)重,達(dá)到2級(jí)開(kāi)關(guān)角度時(shí),開(kāi)關(guān)發(fā)出停機(jī)信號(hào),實(shí)現(xiàn)輸送帶跑偏故障自動(dòng)停機(jī)。當(dāng)跑偏故障排除后,膠帶機(jī)正常運(yùn)轉(zhuǎn)時(shí),開(kāi)關(guān)立輥可自動(dòng)復(fù)位,回到初始狀態(tài)。
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