【正文】 0+ ++ +28+ +440500100+ ++ +31+ +防轉(zhuǎn)擋鐵防轉(zhuǎn)擋鐵是用來(lái)固定逆止器力臂的,它必需有足夠的抗剪切（壓力）強(qiáng)度，根據(jù)用戶所選力臂長(zhǎng)短不一時(shí)，其所需的抗剪切強(qiáng)度也隨之變化，可參見(jiàn)公式1的計(jì)算。注意:逆止器不能用于載人系統(tǒng)，如電梯、載人升降機(jī)，也不應(yīng)作為設(shè)備的直接剎車用或其代替品。逆止器的外形見(jiàn)圖圖2。主體安裝注意：逆止器在推進(jìn)時(shí)不得對(duì)逆止器內(nèi)圈加溫，只允許用紫銅棒或木器對(duì)圖6所注的允許加壓面加壓與施力。逆止器內(nèi)腔油量請(qǐng)按圖9與表7的要求。表7油量尺寸型號(hào)HH2最大最小DSN(NJD)0257855142DSN(NJD)0389265168DSN(NJD)0509870182DSN(NJD)09015582215DSN(NJD)13013092240DSN(NJD)200160115300DSN(NJD)280175125325DSN(NJD)330185132345DSN(NJD)530210150390DSN(NJD)710225160415DSN(NJD)1000265190495DSN(NJD)1300285205530DSN(NJD)1700315225580注：H值為油量的高度圖9維護(hù)初使用逆止器運(yùn)行一周后應(yīng)更換全部潤(rùn)滑油，并通過(guò)運(yùn)行的方法沖洗，再次排出，加入新的潤(rùn)滑油。清潔軸伸表面與逆止器內(nèi)圈。表1技術(shù)參數(shù)型號(hào)額定逆止內(nèi)圈最高轉(zhuǎn)數(shù)r/min空轉(zhuǎn)阻最大孔徑Φ最大質(zhì)量kgDSN(NJD)0252500013035160112DSN(NJD)0384000013045200182DSN(NJD)0505000010075220354DSN(NJD)0909000010095250644DSN(NJD)13013000090100270755DSN(NJD)200200000901103001088DSN(NJD)280280000901403201426DSN(NJD)330330000801603501921DSN(NJD)530530000802204202945DSN(NJD)710710000802504503518DSN(NJD)10001000000702805104442DSN(NJD)13001300000