SNH66R54U12.1W2液压电梯螺杆泵，结构，①选择品牌机械密封；②二道密封保护设计；③内部流道设计，保证密封腔不缺油、不升压、不升温
SNH66R54U12.1W2液压电梯螺杆泵
螺杆泵应用于液压电梯
从市场上螺杆泵的销售情况来看,其大多数还是用于液压电梯。采用螺杆泵的液压电梯,分为用油缸直接将电梯轿箱推上和通过滑轮间接地推轿箱两种方式。作为液压设备用,油泵的排出压力为2.9~4.9MPa、排量为3001/min,上述参数范围的油泵采用较多。
由于要求减小轿箱的振动,使其与建筑物具有同等的使用寿命,所以建筑物的载人电梯几乎都采用螺杆泵。欧美一些国家多采用油浸式,即把电功机和油泵设置在油箱内,而日本则主要考虑效率和维护问题,故采用带式驱劝型。
决定电梯的乘坐舒适度灼因素之一是泵的排出压力脉动。螺杆泵内形成的密封腔在泵的排出端,泵回转1周密封腔启开2次,所以脉功一26图3排出压力脉动波形实例的基本频率是泵转速的2倍。启开处的密封腔压力与排出压力的压差较小,但为了进一步减小脉动值,还需想些办法,使排出压力接近启开处压力。
另外,由于泵与电动机的对中心不良、螺杆弯曲、二条螺旋槽深度存在误差等原因,有时会产生基本频率是泵转速1倍的脉动,及由于从动螺杆在螺杆衬套内摆动,有时会产生基本频率是泵转速1/2的脉动。
特别是后一种情况更容易发生,但当排出压力一升高,这种情况也就不存在了。
SNH66R54U12.1W2液压电梯螺杆泵
SNH66R54U12.1W2液压电梯螺杆泵
SNH66R54U12.1W2液压电梯螺杆泵
| SNH660R40U8W2 | SNH660R44U8W2 | SNH660R46U8W2 | SNH660R51U8W2 | SNH660R54U8W2 | |
| SNF660R40U8W2 | SNF660R44U8W2 | SNF660R46U8W2 | SNF660R51U8W2 | SNF660R54U8W2 | |
| SNS660R40U8W2 | SNS660R44U8W2 | SNS660R46U8W2 | SNS660R51U8W2 | SNS660R54U8W2 | |
| SNH660R40U8W3 | SNH660R44U8W3 | SNH660R46U8W3 | SNH660R51U8W3 | SNH660R54U8W3 | |
| SNF660R40U8W3 | SNF660R44U8W3 | SNF660R46U8W3 | SNF660R51U8W3 | SNF660R54U8W3 | |
| SNS660R40U8W3 | SNS660R44U8W3 | SNS660R46U8W3 | SNS660R51U8W3 | SNS660R54U8W3 | |
| SNH660R40U8W21 | SNH660R44U8W21 | SNH660R46U8W21 | SNH660R51U8W21 | SNH660R54U8W21 | |
| SNF660R40U8W21 | SNF660R44U8W21 | SNF660R46U8W21 | SNF660R51U8W21 | SNF660R54U8W21 | |
| SNS660R40U8W21 | SNS660R44U8W21 | SNS660R46U8W21 | SNS660R51U8W21 | SNS660R54U8W21 | |
| SNH660R40U8W23 | SNH660R44U8W23 | SNH660R46U8W23 | SNH660R51U8W23 | SNH660R54U8W23 | |
| SNF660R40U8W23 | SNF660R44U8W23 | SNF660R46U8W23 | SNF660R51U8W23 | SNF660R54U8W23 | |
| SNS660R40U8W23 | SNS660R44U8W23 | SNS660R46U8W23 | SNS660R51U8W23 | SNS660R54U8W23 | |
| SNH660R40U12.1W2 | SNH660R44U12.1W2 | SNH660R46U12.1W2 | SNH660R51U12.1W2 | SNH660R54U12.1W2 | |
| SNF660R40U12.1W2 | SNF660R44U12.1W2 | SNF660R46U12.1W2 | SNF660R51U12.1W2 | SNF660R54U12.1W2 | |
| SNS660R40U12.1W2 | SNS660R44U12.1W2 | SNS660R46U12.1W2 | SNS660R51U12.1W2 | SNS660R54U12.1W2 | |
| SNH660R40U12.1W3 | SNH660R44U12.1W3 | SNH660R46U12.1W3 | SNH660R51U12.1W3 | SNH660R54U12.1W3 | |
| SNF660R40U12.1W3 | SNF660R44U12.1W3 | SNF660R46U12.1W3 | SNF660R51U12.1W3 | SNF660R54U12.1W3 | |
| SNS660R40U12.1W3 | SNS660R44U12.1W3 | SNS660R46U12.1W3 | SNS660R51U12.1W3 | SNS660R54U12.1W3 | |
| SNH660R40U12.1W21 | SNH660R44U12.1W21 | SNH660R46U12.1W21 | SNH660R51U12.1W21 | SNH660R54U12.1W21 | |
| SNF660R40U12.1W21 | SNF660R44U12.1W21 | SNF660R46U12.1W21 | SNF660R51U12.1W21 | SNF660R54U12.1W21 | |
| SNS660R40U12.1W21 | SNS660R44U12.1W21 | SNS660R46U12.1W21 | SNS660R51U12.1W21 | SNS660R54U12.1W21 | |
| SNH660R40U12.1W23 | SNH660R44U12.1W23 | SNH660R46U12.1W23 | SNH660R51U12.1W23 | SNH660R54U12.1W23 | |
| SNF660R40U12.1W23 | SNF660R44U12.1W23 | SNF660R46U12.1W23 | SNF660R51U12.1W23 | SNF660R54U12.1W23 | |
| SNS660R40U12.1W23 | SNS660R44U12.1W23 | SNS660R46U12.1W23 | SNS660R51U12.1W23 | SNS660R54U12.1W23 | |
| SNH660R40E6.7W2 | SNH660R44E6.7W2 | SNH660R46E6.7W2 | SNH660R51E6.7W2 | SNH660R54E6.7W2 | |
| SNF660R40E6.7W2 | SNF660R44E6.7W2 | SNF660R46E6.7W2 | SNF660R51E6.7W2 | SNF660R54E6.7W2 | |
| SNS660R40E6.7W2 | SNS660R44E6.7W2 | SNS660R46E6.7W2 | SNS660R51E6.7W2 | SNS660R54E6.7W2 | |
| SNH660R40E6.7W3 | SNH660R44E6.7W3 | SNH660R46E6.7W3 | SNH660R51E6.7W3 | SNH660R54E6.7W3 | |
| SNF660R40E6.7W3 | SNF660R44E6.7W3 | SNF660R46E6.7W3 | SNF660R51E6.7W3 | SNF660R54E6.7W3 | |
| SNS660R40E6.7W3 | SNS660R44E6.7W3 | SNS660R46E6.7W3 | SNS660R51E6.7W3 | SNS660R54E6.7W3 | |
| SNH660R40E6.7W21 | SNH660R44E6.7W21 | SNH660R46E6.7W21 | SNH660R51E6.7W21 | SNH660R54E6.7W21 | |
| SNF660R40E6.7W21 | SNF660R44E6.7W21 | SNF660R46E6.7W21 | SNF660R51E6.7W21 | SNF660R54E6.7W21 | |
| SNS660R40E6.7W21 | SNS660R44E6.7W21 | SNS660R46E6.7W21 | SNS660R51E6.7W21 | SNS660R54E6.7W21 | |
| SNH660R40E6.7W23 | SNH660R44E6.7W23 | SNH660R46E6.7W23 | SNH660R51E6.7W23 | SNH660R54E6.7W23 | |
| SNF660R40E6.7W23 | SNF660R44E6.7W23 | SNF660R46E6.7W23 | SNF660R51E6.7W23 | SNF660R54E6.7W23 | |
| SNS660R40E6.7W23 | SNS660R44E6.7W23 | SNS660R46E6.7W23 | SNS660R51E6.7W23 | SNS660R54E6.7W23 | |
| TRSNH660-36 | TRSNH660-40 | TRSNH660-44 | TRSNH660-46 | TRSNH660-51 | TRSNH660-54 |
| TRSNF660-36 | TRSNF660-40 | TRSNF660-44 | TRSNF660-46 | TRSNF660-51 | TRSNF660-54 |
| TRSNS660-36 | TRSNS660-40 | TRSNS660-44 | TRSNS660-46 | TRSNS660-51 | TRSNS660-54 |
| TRSND660-36 | TRSND660-40 | TRSND660-44 | TRSND660-46 | TRSND660-51 | TRSND660-54 |
| TRSNK660-36 | TRSNK660-40 | TRSNK660-44 | TRSNK660-46 | TRSNK660-51 | TRSNK660-54 |
| HTSNH660-36 | HTSNH660-40 | HTSNH660-44 | HTSNH660-46 | HTSNH660-51 | HTSNH660-54 |
| HTSNF660-36 | HTSNF660-40 | HTSNF660-44 | HTSNF660-46 | HTSNF660-51 | HTSNF660-54 |
| HTSNS660-36 | HTSNS660-40 | HTSNS660-44 | HTSNS660-46 | HTSNS660-51 | HTSNS660-54 |
| HTSND660-36 | HTSND660-40 | HTSND660-44 | HTSND660-46 | HTSND660-51 | HTSND660-54 |
| HTSNK660-36 | HTSNK660-40 | HTSNK660-44 | HTSNK660-46 | HTSNK660-51 | HTSNK660-54 |
| HSNH660-36Z | HSNH660-40Z | HSNH660-44Z | HSNH660-46Z | HSNH660-51Z | HSNH660-54Z |
| HSNF660-36Z | HSNF660-40Z | HSNF660-44Z | HSNF660-46Z | HSNF660-51Z | HSNF660-54Z |
| HSNS660-36Z | HSNS660-40Z | HSNS660-44Z | HSNS660-46Z | HSNS660-51Z | HSNS660-54Z |
| HSNH660-36NZ | HSNH660-40NZ | HSNH660-44NZ | HSNH660-46NZ | HSNH660-51NZ | HSNH660-54NZ |
| HSNF660-36NZ | HSNF660-40NZ | HSNF660-44NZ | HSNF660-46NZ | HSNF660-51NZ | HSNF660-54NZ |
| HSNS660-36NZ | HSNS660-40NZ | HSNS660-44NZ | HSNS660-46NZ | HSNS660-51NZ | HSNS660-54NZ |
| HSNH660-36W1Z | HSNH660-40W1Z | HSNH660-44W1Z | HSNH660-46W1Z | HSNH660-51W1Z | HSNH660-54W1Z |
| HSNF660-36W1Z | HSNF660-40W1Z | HSNF660-44W1Z | HSNF660-46W1Z | HSNF660-51W1Z | HSNF660-54W1Z |
| HSNS660-36W1Z | HSNS660-40W1Z | HSNS660-44W1Z | HSNS660-46W1Z | HSNS660-51W1Z | HSNS660-54W1Z |
| HSNH660-36W1 | HSNH660-40W1 | HSNH660-44W1 | HSNH660-46W1 | HSNH660-51W1 | HSNH660-54W1 |
| HSNF660-36W1 | HSNF660-40W1 | HSNF660-44W1 | HSNF660-46W1 | HSNF660-51W1 | HSNF660-54W1 |
| HSNS660-36W1 | HSNS660-40W1 | HSNS660-44W1 | HSNS660-46W1 | HSNS660-51W1 | HSNS660-54W1 |
| HSNH660-36N | HSNH660-40N | HSNH660-44N | HSNH660-46N | HSNH660-51N | HSNH660-54N |
| HSNF660-36N | HSNF660-40N | HSNF660-44N | HSNF660-46N | HSNF660-51N | HSNF660-54N |
| HSNS660-36N | HSNS660-40N | HSNS660-44N | HSNS660-46N | HSNS660-51N | HSNS660-54N |
| HSNH660-36 | HSNH660-40 | HSNH660-44 | HSNH660-46 | HSNH660-51 | HSNH660-54 |
| HSNF660-36 | HSNF660-40 | HSNF660-44 | HSNF660-46 | HSNF660-51 | HSNF660-54 |
| HSNS660-36 | HSNS660-40 | HSNS660-44 | HSNS660-46 | HSNS660-51 | HSNS660-54 |
| HSND660-36W1 | HSND660-40W1 | HSND660-44W1 | HSND660-46W1 | HSND660-51W1 | HSND660-54W1 |
| HSND660-36N | HSND660-40N | HSND660-44N | HSND660-46N | HSND660-51N | HSND660-54N |
| HSND660-36 | HSND660-40 | HSND660-44 | HSND660-46 | HSND660-51 | HSND660-54 |
| HSNK660-36W1 | HSNK660-40W1 | HSNK660-44W1 | HSNK660-46W1 | HSNK660-51W1 | HSNK660-54W1 |
| HSNK660-36N | HSNK660-40N | HSNK660-44N | HSNK660-46N | HSNK660-51N | HSNK660-54N |
| HSNK660-36 | HSNK660-40 | HSNK660-44 | HSNK660-46 | HSNK660-51 | HSNK660-54 |
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