默者 | 一个电梯人的博客

【默者学电梯】电梯曳引钢丝绳

曳引钢丝绳也称曳引绳，电梯专用钢丝绳联接轿厢和对重，并靠曳引机驱动使轿厢升降。它承载着轿厢、对重装置、额定载重量等重量的总和。曳引机在机房穿绕曳引轮、导向轮，一端联接轿厢，另一端联接对重装置(曳引比1...

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保障房电梯采购项目优势地位难撼

10月，全国电梯采购呈现项目多、规模大等特点。据《政府采购信息报》不完全统计，10月，全国共完成电梯采购项目300个。其中，500万元以上电梯项目15个，采购金额约1.75亿元...

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【默者学电梯】电梯曳引机

电梯曳引机是电梯的动力设备，又称电梯主机。功能早输送与传递动力使电梯运行。它由电动机、制动器、联轴器、减速箱、曳引轮、机架和导向轮及附属盘车手轮等组成。导向轮一般装在机架或机架下的承重梁上。盘车手轮有...

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【电梯基础知识】电梯导轨的安装（附视频）

当图纸上没有明确规定最下一排导轨支架和最上一排导轨支架的位置时应按以下规定确定：最下一排导轨支架安装在底坑装饰地面上方1000mm的相应位置。最上一排道架安装在井道顶板下面不大于5...

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重庆市200余名电梯学院毕业生被“一抢而空” —-全国电梯专业人才缺口达20万

11月10日，市教委送岗位进高校（江津专场）活动暨重庆能源职业学院2016届毕业生双选会在江津举行，该校200余名电梯学院毕业生被“一抢而空”。记者了解到，目前全国电梯专业人才抢手，缺口高达20万人。...

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【默者学电梯】曳引驱动工作原理

一、驱动方式电梯的驱动有曳引驱动、卷筒驱动（强制驱动）、液压驱动等，但现在使用最广泛的是曳引驱动。曳引驱动的传动关系如下图所示。安装在机房的电动机与减速箱、制动器等组成曳引机，是曳引驱动的...

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中国第一部手扶电梯照片曝光 1936年安装(图)

中国第一部手扶电梯安装在上海市南京路大新公司内，上图为1936年蔡昌（前排右二）与同事们在大新百货公司电梯旁合影。他热心公益，在家乡创办慈善福寿帛金会，出资在家乡外沙村兴建礼和小学...

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浅谈电梯井道自学习（附部分电梯自学习具体调试方式）

电梯井道自学习是指电梯以自学习速度运行并测量各楼层的位置及井道中各个开关的位置，由于楼层位置是电梯正常起，制动运行的基础及楼层显示的依据，因此，电梯快车运行前，必须首先进行井道自学...

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变频器与传动常见使用问题解答，总有你不知道的

1．为什么漏电断路器在使用变频器时易跳闸呢？这是因为变频器的输出波形含有高次谐波，而电机及变频器与电机间的电缆会产生泄漏电流，该泄漏电流比工频驱动电机时大了许多，所以产生该现象。变频器操作...

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揭露电梯行业黑幕，直击电梯真相！（深度好文）

近期电梯“吃人”事件接二连三，厂家、质监、维保、物业等各执一词，给公众留下无数问与痛。随着城市电梯保有量迅速扩容，人手严重紧缺，2名维保工负责100台电梯，是当前业内平均水平

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【默者QQ群在线课堂】第一期：电梯基础知识和新时达系统详解

11月7日晚上9点默者QQ群举办了第一期在线视频授课，效果非常不错，在这里大家相互帮助，相互学习共同进步。感谢山东聊城的王老师带来的精彩课程，感谢大家对默者QQ群的支持，我相信有了大家的支持与信任，我...

11/0716,083评论

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西子奥的斯电梯OH-CON4423原理图电路图（上）

导读：温馨提示图多比较费流量【图多可以收藏慢慢看】图片可点击放大查看。本电路图总共包含55张图片，分上中下三部分发布。多谢董姐提供图纸。以下信息仅供交流学习之用，请勿用于商务用途。如有侵权请联系默者...

11/07电气图纸56,9801 20 张图片

电梯创新奇思：英国教授创新会拐弯的电梯

由于这款电梯弯曲的线条很像日本餐厅里的传送带，因此又被称为“寿司电梯”。“寿司电梯”形状灵活，可以回环往复，这使得建筑师们可以设计更艺术样式的电梯，用于百货商店、主题公园等地方。

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2016公务员考试申论热点：由电梯“咬人”看公共安全

【热点背景】 2015上半年，无论是纸质媒体、电视媒体还是网络媒体都在纷纷曝光电梯咬人、吃人的事件。追溯至2012年，一位2岁男童被电梯卡断腿，质监局检测结果为男童所穿的“洞洞鞋”导致，而后专家...

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