默者 | 一个电梯人的博客

老旧电梯该不该退休? 可找质监部门评估，评估费3000元！

《长期服役电梯安全评估方法》将于5月1日实施,专业队伍每年对长期服役电梯进行抽检家有高龄电梯心慌慌,怎么办?昨日,新快报记者从广州市质量技术监督局(以下简称市质监局)了解到,广州市质监...

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临沂市临港经济开发区规划展览馆电梯采购项目公开招标公告

一、采购人名称：临沂临港经济开发区规划局二、采购代理机构名称：临沂市鲁泰工程造价有限责任公司地址：临沂商会大厦9楼联系电话： 0539-7055266 采购方式：公开招标...

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【电梯销售知识】某电梯人对电梯销售的一些见解！（二）

电梯做为特种设备，仅仅简单的按照国家工程标准定额计算是不行的。电梯安装费的制定也在于市场调节，大型电梯公司都有自己的计算方式，在向用户报安装费前要做估价评审，但一般都要下浮很多（３０％以上）才...

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【电梯销售知识】某电梯人对电梯销售的一些见解！（一）

是由”谁”来确定用哪家的品牌，是由设计院，业主（甲方），总包（承建方）或招标代理单位及上述单位的哪方面的人员来确定？或者说还有其他的单位及人员才能定下？或者能否举例一个成交项目的过程？ ...

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电梯调试维修电气故障查找的八种方法

当电梯控制电路发生故障时，首先要问、看、听、闻，做到心中有数。所谓问，就是询问操作者或报告故障的人员故障发生时的现象，查询在故障发生前是否做过任何调整或更换元件的工作；所谓看，就是观察每一个零件是否...

03/27技术分享6,8491

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西威变频器详细资料汇总

西威变频器：西威变频器新AVY-L 3.4中文手册第1部分西威变频器新AVY-L 3.4中文手册第2部分西威变频器新AVY-L 3.4中文手册第3部分西威变频器新AVY-L...

03/26技术分享7,404评论

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电梯调试维保维修时的故障排除的思路和方法

判断故障出自哪个系统?普遍采用的方法是：首先置电梯于“检修”工作状态，在轿厢平层位置(在机房、轿顶或轿厢操作)点动电梯慢上或慢下来确定。为确保安全，首先要确认所有厅门必须全部关好并...

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通力电梯消防功能与中控联动接线的方法

实现的功能：消防开关动作，中控给动作信号，电梯可以消防迫降，电梯在一楼厅门处于常开状态。消防员进入电梯，常按选层按钮，电梯关门（不常按电梯不能关门），电梯运行，到达所选楼层，常按开门按钮才能打开厅门。...

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变频器基本知识入门

1、什么是变频器？变频器是利用电力半导体器件的通断作用将工频电源变换为另一频率的电能控制装置。 2、PWM和PAM的不同点是什么？ PWM是英文Pulse Width Modul...

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安川变频器常见故障和维修对策

安川变频器类别齐全, 通用型变频器从早期的616G3，到后来推出的616G5,以及现在销售的616G7都以其良好的品质赢得了市场。此外在提升行业安川变频器更有着广阔的市场，从原先的676VG3到现在的...

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电梯土建及安装过程中的若干问题

电梯的安装和监检是保证电梯质量好坏的最初环节也是最重要的环节，它是电梯产品的各项服务功能和技术指标得以实现的保障，是电梯投入使用后维修保养的基础。本文从电梯土建和安装监督检验过程中存在的一些容易忽视的...

03/18技术分享4,773评论

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电梯限速器的校验与调试-限速器测试仪校验仪的使用方法

限速器是限制电梯运行速度的装置，与安全钳配套使用。当轿厢上行或下行超速时，通过电气触点使电梯停止运行，当下行超速，电气触点动作仍不能使电梯停止，速度达到一定值后，限速器机械动作，拉动安全钳夹住导轨将轿...

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临沂一电梯安装工专偷高层电梯主板

3月11日凌晨3点，沂水县城某宾馆205房间，23岁的安徽小伙孙某睡得正香，房门突然被打开，惊醒的孙某刚要翻身起来，一副手铐戴在了他的手腕上。孙某是个电梯安装工，却干起了盗窃电梯主板的勾当，扰乱了许多...

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浦东新区新月小区凌晨电梯发生故障 56岁大妈头部被夹身亡

昨天凌晨，浦东新区环林东路799弄杉林新月小区发生惨祸，一名56岁女子被发现死于居民楼的电梯内。记者赶到现场时，事发电梯已停运，安监等部门已介...

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