昆山汉吉龙高速(su)轴(zhou)(zhou)承故(gu)(gu)(gu)障(zhang)(zhang)机(ji)(ji)理研(yan)究模拟实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)台(tai)、实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)台(tai)基本(ben)结构(gou)该实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)台(tai)采(cai)用电机(ji)(ji)、动(dong)态(tai)(tai)扭矩传(chuan)(chuan)感器、滚动(dong)轴(zhou)(zhou)承转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)系统、手动(dong)径(jing)向加(jia)载装置、电涡流(liu)制动(dong)器作为实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)负载形成(cheng)完整的(de)故(gu)(gu)(gu)障(zhang)(zhang)模拟系统，可同(tong)(tong)时采(cai)用手动(dong)径(jing)向加(jia)载套件(jian)、电涡流(liu)制动(dong)器来改变(bian)实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)负载大小(xiao)。配套数据采(cai)集系统及相关软件(jian)、加(jia)速(su)度传(chuan)(chuan)感器、电涡流(liu)传(chuan)(chuan)感器等实(shi)(shi)(shi)(shi)(shi)现正(zheng)常和(he)故(gu)(gu)(gu)障(zhang)(zhang)轴(zhou)(zhou)承、转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)故(gu)(gu)(gu)障(zhang)(zhang)、叶片故(gu)(gu)(gu)障(zhang)(zhang)的(de)振动(dong)、噪声(sheng)、扭矩、转(zhuan)(zhuan)(zhuan)速(su)信号测量。二、实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)研(yan)究内容转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)故(gu)(gu)(gu)障(zhang)(zhang)研(yan)究：转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)不(bu)平衡(heng)故(gu)(gu)(gu)障(zhang)(zhang)、转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)不(bu)对中故(gu)(gu)(gu)障(zhang)(zhang)、转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)碰磨故(gu)(gu)(gu)障(zhang)(zhang)、转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)裂(lie)纹(wen)故(gu)(gu)(gu)障(zhang)(zhang)、转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)变(bian)形故(gu)(gu)(gu)障(zhang)(zhang)等；滚动(dong)轴(zhou)(zhou)承故(gu)(gu)(gu)障(zhang)(zhang)研(yan)究：支撑轴(zhou)(zhou)承的(de)不(bu)同(tong)(tong)故(gu)(gu)(gu)障(zhang)(zhang)形式，如(ru)点蚀、裂(lie)纹(wen)、磨损、保持架断裂(lie)等；不(bu)同(tong)(tong)工况(kuang)模拟：电机(ji)(ji)升降(jiang)速(su)状(zhuang)态(tai)(tai)下的(de)转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)、轴(zhou)(zhou)承特性、不(bu)同(tong)(tong)负载状(zhuang)态(tai)(tai)下的(de)转(zhuan)(zhuan)(zhuan)子(zi)(zi)(zi)、轴(zhou)(zhou)承特性等故(gu)(gu)(gu)障(zhang)(zhang)模拟实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)台(tai)有哪(na)些(xie)应用?福(fu)建传(chuan)(chuan)动(dong)故(gu)(gu)(gu)障(zhang)(zhang)模拟实(shi)(shi)(shi)(shi)(shi)验(yan)(yan)(yan)台(tai)

VALENIAN瓦伦尼安（苏州）教学设(she)备有限公司(si)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)控制机(ji)构设(she)计用(yong)于(yu)移(yi)动(dong)电(dian)机(ji)底(di)座（通常(chang)是轴(zhou)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)工作中(zhong)(zhong)(zhong)的(de)(de)(de)移(yi)动(dong)侧）以(yi)(yi)(yi)人为地(di)(di)引入不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)。另(ling)外，安装(zhuang)百(bai)分表以(yi)(yi)(yi)确定(ding)(ding)(ding)不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)的(de)(de)(de)偏(pian)移(yi)量，在不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)之(zhi)后(hou)它可以(yi)(yi)(yi)帮助回(hui)到(dao)准确的(de)(de)(de)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)位(wei)置(zhi)。松开电(dian)机(ji)地(di)(di)脚(jiao)的(de)(de)(de)固定(ding)(ding)(ding)螺(luo)栓(shuan)，使(shi)电(dian)机(ji)轴(zhou)不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)，使(shi)用(yong)调节设(she)置(zhi)所(suo)需的(de)(de)(de)不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)后(hou)，牢固地(di)(di)拧紧电(dian)机(ji)固定(ding)(ding)(ding)螺(luo)栓(shuan)。可以(yi)(yi)(yi)通过百(bai)分表的(de)(de)(de)指示再现jing确的(de)(de)(de)平(ping)行或(huo)/和角(jiao)度不(bu)(bu)对(dui)(dui)(dui)准。可以(yi)(yi)(yi)实时(shi)比较和分析(xi)由于(yu)不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)引起(qi)的(de)(de)(de)电(dian)流或(huo)振动(dong)信号(hao)模(mo)式的(de)(de)(de)变化，并研究(jiu)诸如(ru)功耗增(zeng)加之(zhi)类的(de)(de)(de)物理变化。然后(hou)，您可以(yi)(yi)(yi)恢(hui)复到(dao)jing确的(de)(de)(de)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)的(de)(de)(de)状态。在刚(gang)性(xing)联(lian)轴(zhou)台(tai)的(de)(de)(de)情况下，联(lian)轴(zhou)台(tai)中(zhong)(zhong)(zhong)的(de)(de)(de)间(jian)隙很(hen)小。因(yin)此，通过柔性(xing)联(lian)轴(zhou)台(tai)很(hen)容易给出任(ren)意程(cheng)度的(de)(de)(de)不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)偏(pian)差，但是轴(zhou)承(cheng)上的(de)(de)(de)应力(li)相对(dui)(dui)(dui)较小，因(yin)此对(dui)(dui)(dui)不(bu)(bu)对(dui)(dui)(dui)中(zhong)(zhong)(zhong)的(de)(de)(de)影响可能很(hen)小。行星齿轮箱故障模(mo)拟(ni)实验(yan)台(tai)设(she)备故障模(mo)拟(ni)实验(yan)台(tai)的(de)(de)(de)日常(chang)怎(zen)么维(wei)护？

VALENIAN滑(hua)动(dong)(dong)轴承(cheng)油膜故(gu)障(zhang)(zhang)(zhang)机(ji)理研究模(mo)拟实(shi)(shi)验(yan)(yan)(yan)台,实(shi)(shi)验(yan)(yan)(yan)台采(cai)用电(dian)机(ji)、动(dong)(dong)态扭矩传(chuan)(chuan)感器(qi)(qi)、滑(hua)动(dong)(dong)轴承(cheng)转(zhuan)子(zi)(zi)(zi)系(xi)统、磁(ci)滞(zhi)制(zhi)动(dong)(dong)器(qi)(qi)作为实(shi)(shi)验(yan)(yan)(yan)负(fu)(fu)载形成完整的(de)故(gu)障(zhang)(zhang)(zhang)模(mo)拟系(xi)统，通过调节磁(ci)滞(zhi)制(zhi)动(dong)(dong)器(qi)(qi)的(de)激磁(ci)电(dian)流(liu)来(lai)改变实(shi)(shi)验(yan)(yan)(yan)负(fu)(fu)载大(da)小。配套数(shu)据采(cai)集(ji)系(xi)统及相(xiang)关软件、加(jia)速(su)度传(chuan)(chuan)感器(qi)(qi)、电(dian)涡(wo)流(liu)传(chuan)(chuan)感器(qi)(qi)等(deng)实(shi)(shi)现(xian)转(zhuan)子(zi)(zi)(zi)故(gu)障(zhang)(zhang)(zhang)的(de)振(zhen)动(dong)(dong)、噪声(sheng)、扭矩、转(zhuan)速(su)信号测量。二(er)、实(shi)(shi)验(yan)(yan)(yan)研究内容滑(hua)动(dong)(dong)轴承(cheng)故(gu)障(zhang)(zhang)(zhang)研究：滑(hua)动(dong)(dong)轴承(cheng)油膜失稳(wen)故(gu)障(zhang)(zhang)(zhang)、滑(hua)动(dong)(dong)轴承(cheng)磨损、异(yi)型(xing)油动(dong)(dong)轴承(cheng)等(deng)；转(zhuan)子(zi)(zi)(zi)故(gu)障(zhang)(zhang)(zhang)研究：转(zhuan)子(zi)(zi)(zi)不(bu)平衡(heng)故(gu)障(zhang)(zhang)(zhang)、转(zhuan)子(zi)(zi)(zi)不(bu)对中故(gu)障(zhang)(zhang)(zhang)、转(zhuan)子(zi)(zi)(zi)碰磨故(gu)障(zhang)(zhang)(zhang)、转(zhuan)子(zi)(zi)(zi)裂纹故(gu)障(zhang)(zhang)(zhang)、转(zhuan)子(zi)(zi)(zi)变形故(gu)障(zhang)(zhang)(zhang)等(deng)；不(bu)同(tong)工况模(mo)拟：电(dian)机(ji)升降速(su)状态下(xia)的(de)转(zhuan)子(zi)(zi)(zi)、轴承(cheng)特性、不(bu)同(tong)负(fu)(fu)载状态下(xia)的(de)转(zhuan)子(zi)(zi)(zi)、轴承(cheng)特性等(deng)

旋(xuan)转(zhuan)机械(xie)是工业生产(chan)中guangfan应用的(de)设(she)备，其运(yun)行(xing)状态直(zhi)接影响着生产(chan)效(xiao)率和安全性。然而，由于各种(zhong)原因，旋(xuan)转(zhuan)机械(xie)可能(neng)会出现(xian)不(bu)同类型(xing)的(de)故(gu)(gu)障(zhang)，如轴(zhou)承损坏、齿轮(lun)磨损、转(zhuan)子不(bu)对(dui)中等。这些(xie)故(gu)(gu)障(zhang)会导致设(she)备性能(neng)下降甚至停机，给企业带来巨大(da)的(de)经济损失和安全风险。因此(ci)，及时准确地诊(zhen)断(duan)(duan)旋(xuan)转(zhuan)机械(xie)的(de)故(gu)(gu)障(zhang)类型(xing)，对(dui)于保证设(she)备正常运(yun)行(xing)和延(yan)长设(she)备寿命具(ju)有(you)重(zhong)要意义(yi)。VALENIAN瓦伦尼安（苏州）教学设(she)备有(you)限公(gong)司提供的(de)转(zhuan)子综(zong)合故(gu)(gu)障(zhang)模拟实验台(tai)数(shu)据集，构(gou)建故(gu)(gu)障(zhang)诊(zhen)断(duan)(duan)模型(xing)，利用振(zhen)动及声(sheng)音数(shu)据对(dui)外圈点蚀、滚动体点蚀、转(zhuan)子不(bu)对(dui)中等故(gu)(gu)障(zhang)进行(xing)检测(ce)。故(gu)(gu)障(zhang)模拟实验台(tai)测(ce)试轴(zhou)承故(gu)(gu)障(zhang)效(xiao)果怎么样？

轴(zhou)(zhou)(zhou)弯(wan)(wan)(wan)曲(qu)(qu)的(de)(de)电(dian)机，其转子(zi)(zi)(zi)特(te)(te)意设计为轴(zhou)(zhou)(zhou)弯(wan)(wan)(wan)曲(qu)(qu)。当转子(zi)(zi)(zi)轴(zhou)(zhou)(zhou)承(cheng)(cheng)在两个(ge)V形块上(shang)转动时，用(yong)(yong)百(bai)分(fen)表测(ce)量两端(duan)的(de)(de)轴(zhou)(zhou)(zhou)弯(wan)(wan)(wan)曲(qu)(qu)量约为40/100mm。由于转子(zi)(zi)(zi)弯(wan)(wan)(wan)曲(qu)(qu)，轴(zhou)(zhou)(zhou)在运行时会摆动。由于轴(zhou)(zhou)(zhou)弯(wan)(wan)(wan)曲(qu)(qu)，几乎(hu)不可(ke)(ke)能wan全进(jin)行轴(zhou)(zhou)(zhou)对中。因此(ci)，在测(ce)试转子(zi)(zi)(zi)弯(wan)(wan)(wan)曲(qu)(qu)的(de)(de)电(dian)机时，必(bi)须使用(yong)(yong)膜片式联轴(zhou)(zhou)(zhou)台（柔性联轴(zhou)(zhou)(zhou)台）。当使用(yong)(yong)刚性联轴(zhou)(zhou)(zhou)台时，非常(chang)大的(de)(de)振动很容易导(dao)致轴(zhou)(zhou)(zhou)承(cheng)(cheng)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)，电(dian)机可(ke)(ke)能过热或停止旋转。轴(zhou)(zhou)(zhou)承(cheng)(cheng)有(you)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)的(de)(de)电(dian)机是一种轴(zhou)(zhou)(zhou)承(cheng)(cheng)有(you)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)的(de)(de)电(dian)机，特(te)(te)意设计为让电(dian)机出现轴(zhou)(zhou)(zhou)承(cheng)(cheng)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)。把电(dian)机两端(duan)良好的(de)(de)轴(zhou)(zhou)(zhou)承(cheng)(cheng)（内侧(ce)和外(wai)(wai)(wai)侧(ce)）拆除，内侧(ce)轴(zhou)(zhou)(zhou)承(cheng)(cheng)装配(pei)有(you)内圈(quan)(quan)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)，外(wai)(wai)(wai)侧(ce)轴(zhou)(zhou)(zhou)承(cheng)(cheng)装配(pei)有(you)外(wai)(wai)(wai)圈(quan)(quan)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)轴(zhou)(zhou)(zhou)承(cheng)(cheng)。轴(zhou)(zhou)(zhou)承(cheng)(cheng)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)特(te)(te)征(zheng)频率(lv)计算按以下公式计算。 轴(zhou)(zhou)(zhou)承(cheng)(cheng)内圈(quan)(quan)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)特(te)(te)征(zheng)频率(lv) (BPFI)轴(zhou)(zhou)(zhou)承(cheng)(cheng)外(wai)(wai)(wai)圈(quan)(quan)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)特(te)(te)征(zheng)频率(lv) (BPFO)滚动体(ti)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)特(te)(te)征(zheng)频率(lv) (BSF)保持架故(gu)(gu)(gu)障(zhang)(zhang)(zhang)特(te)(te)征(zheng)频率(lv) (FTF)如何(he)正确使用(yong)(yong)故(gu)(gu)(gu)障(zhang)(zhang)(zhang)模拟实(shi)验(yan)台?电(dian)机故(gu)(gu)(gu)障(zhang)(zhang)(zhang)模拟实(shi)验(yan)台特(te)(te)点

该试(shi)验平台由驱动(dong)电机、轴(zhou)系总成、平行齿轮箱、转矩传(chuan)感器(qi)、底板、制动(dong)器(qi)、防护罩、控(kong)制柜等(deng)部分组成。福建传(chuan)动(dong)故障模拟实验台

VALENIAN瓦伦(lun)尼安（苏州(zhou)）教学(xue)设(she)备有限公司生(sheng)产的故(gu)(gu)障(zhang)模拟(ni)实(shi)(shi)验台(tai)(tai)(tai)，生(sheng)产的故(gu)(gu)障(zhang)试验台(tai)(tai)(tai)是一个(ge)创新性试验台(tai)(tai)(tai)，可模拟(ni)机械设(she)备常见故(gu)(gu)障(zhang)，用于故(gu)(gu)障(zhang)诊(zhen)断研究，模块化(hua)(hua)组件设(she)计的实(shi)(shi)验台(tai)(tai)(tai)功能很(hen)大(da)、操作简单、性能可靠，所(suo)有部件装(zhuang)配(pei)合理，不会产生(sheng)附(fu)加(jia)振(zhen)动，针对基于机台(tai)(tai)(tai)学(xue)习模型(xing)(xing)(xing)的故(gu)(gu)障(zhang)诊(zhen)断存(cun)在依赖(lai)人工特征提取(qu)质量、维(wei)数(shu)(shu)灾难问(wen)题(ti)(ti)和卷积神经网络(CNN)模型(xing)(xing)(xing)构建(jian)缺乏自(zi)适(shi)应(ying)性等问(wen)题(ti)(ti)，提出(chu)了一种基于粒子群优化(hua)(hua)(PSO)算法(fa)的自(zi)适(shi)应(ying)CNN故(gu)(gu)障(zhang)诊(zhen)断方法(fa)，并将其(qi)应(ying)用于旋(xuan)转机械故(gu)(gu)障(zhang)诊(zhen)断。将一维(wei)时(shi)域(yu)信号变成二(er)维(wei)时(shi)频图(tu)(tu)像；使(shi)用PSO算法(fa)对CNN模型(xing)(xing)(xing)中的7个(ge)关键参(can)数(shu)(shu)进行优化(hua)(hua)选取(qu)，以构建(jian)深度(du)学(xue)习模型(xing)(xing)(xing)；将二(er)维(wei)时(shi)频图(tu)(tu)像输入优化(hua)(hua)后的深度(du)学(xue)习模型(xing)(xing)(xing)，对旋(xuan)转机械故(gu)(gu)障(zhang)进行诊(zhen)断。结果表明，所(suo)提方法(fa)具有较高的准确率、稳定性和自(zi)适(shi)应(ying)性。福建(jian)传(chuan)动故(gu)(gu)障(zhang)模拟(ni)实(shi)(shi)验台(tai)(tai)(tai)

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