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20
2019-02
工业制动器行业龙头 拓展轨交领域打开空间
华伍股份工业制动器行业龙头 拓展轨交领域打开空间 国内工业制动器行业龙头,多行业布局打开成长空间:华伍股份是国内工业制动器行业的龙头企业,在传统的起重运输设备、港机等领域的制动器市场具有很高的市场份额。近年来,公司积极布局风电、轨交等新兴领域,风电制动系统目前已经得到市场认可,收购上海庞丰未来有望在轨交制动领域逐步实...
20
2019-02
拓展百亿轨交制动器市场 推荐评级
工业制动器龙头企业:工业制动器主要下游为起重机械、海工船舶、冶金矿山机械、风电及核电设备等,目前市场容量35亿元。华伍股份是我国工业制动器龙头企业,市场份额约10%。目前我国工业制动器市场44%为外资品牌所占据,中高端产品存在巨大进口替代空间。 成功拓展风电制动器市场:公司风电制动器2013年正式投产,2014年收...
20
2019-02
选配方法 起重机应用的变频器选型方法
在起重机控制系统的设计中,变频器、制动单元、制动电阻的选型是一个比较重要的课题。选小了不够用,选大了不但增加成本,还可能降低性能。起重变频器的简单估算:最简单的变频器选择方法,也是目前最流行的选择方法是根据电动机的功率估算。我们经常会听到这样的问题:在这个应用中我变频器功率应该比电动机放大1档还是2档?实际上,变频器是...
20
2019-02
起重机制动器如何维护保养
(1)按制动器说明书要求,结合带载调试实际情况,调节好制动器弹簧和闸瓦工作行程,确保断电时制动可靠,通电后松开均匀。(2)经常检查石棉制动片磨损状况,当磨损大于2mm时,应予以更换。(3)制动轮工作表面必须平坦光滑,闸瓦与制动轮接触面应不小于80%,且应避免油、水进入,造成打滑。(4)弹簧发生裂纹或永久变形时,应更换新...
20
2019-02
起重机制动器不同环境下如何选择使用
制动器的类型的选择,主要根据主机或机构的产品标准要求和实际需要,确定制动器的类型。如标准规定:起升机构、变幅机构必须设置常闭式制动器,行走或回转机构可选用常闭式制动器。考虑使用场所,如制动器安装有足够的空间,可选用块式、带式制动器或臂式盘形制动器;空间受限值时,可选用内蹄式或钳形盘式制动器。考虑配套主机的使用环境,对渗...
20
2019-02
桥式起重机制动器选择方法
为电动桥式起重机小车的起升机构选择和检验带有长行程电磁铁并用遂重来闭合的双带式制动器,起重机的起重量是10吨,按中级工作类型工作。电流采用交流。滑轮组-双生式,倍率为二。减速器的传动比为62,机构的效率为0.92,卷筒直径为500cm。根据桥式起重机制动力矩公式来确定,此处制动安全系数为2,适合于中级工作类型。折算到制...
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