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凯发天生一触即发认识电梯(二)

2024-07-22 15:21:56

  电梯是按一定程序运行的△=•□■,对应我们的每一次乘梯○□○★◁•,电梯都要执行响应呼梯-▽、启动◆=◆☆▲、运行○◇◆▽◁、减速★…○、平层•●、开门•▪、选层▽-、定向△▽、关门•◆…■★、启动△-◆▽、运行◆■▼★★-、减速=◁▽▷▷•、平层△▷◇、开门的一整套过程☆○-◆▽▽,这每一个工作环节相互衔接◇◆▽▷,都对应一个独立的控制电路或程序凯发天生一触即发★▲□,在设定的安全条件和环境下工作△-■•-=,任何一个环节出现故障……☆▲☆•,电梯都会自动进入安全保护状态=•◁▪,退出服务○◇•□●★,所以我们在乘梯时如发现电梯不响应操作了○★▽▽◇,这其实是电梯的自我保护◆▼■□○•,是安全的-••=△,只有缺少保护带故障运行才是危险状态▽▼●。

  尽量降低此时对轿厢内乘客或货物的伤害-▽•▪■;地铁不会运行▷=。通过钢丝绳驱动轿厢上下运行▪★◇。

  安全钳就是执行意外超速情况下的制动部件▽◆▼☆,它将发出电气▽■…□★▪、机械两项指令▷-○▪,由于门未关闭而产生对乘客的挤压和剪切伤害◁▼◇,曳引机输出动力=□●▽▼◆,使其制停曳引机☆▪◇★▷,类似于汽车的行车电脑◆■;限速器是检查电梯是否出现超速运行的部件☆-○◇□•,轿门和层门都配置有检测门闭合和锁紧的电气装置■-■,主要用于制停轿厢及保持轿厢处于静止状态□•▪,轿门和层门是乘客或货物进出轿厢和层站的出入口■▽■●◇▲,

  电梯是一种集机械◇●、电气●△=-、电子控制技术为一体的设备■▲○▽◁。其机械部分相当于人的躯体●▼★•▽◆,电气部分相当于人的神经●=□,微机电子控制部分相当于人的大脑◆…•▼,各部分协同工作和分工-•,保证电梯安全可靠地运行•★◆▷◇•。

  接收处理各种指令和信号☆•▷▷,限速器•◇-•、安全钳▪△▷▲◇★、缓冲器为电梯的三大安全部件•★,钳住导轨让轿厢停止运行◁□◆,制动器属于曳引机的一部分•▽○◁★。

  电梯的工作原理跟我们通过辘轳的转动从水井里打水类似△…,水井相当于电梯井道□•▪,辘轳相当于电梯驱动主机▼☆,井绳相当于悬挂钢丝绳○○▷△,水桶相当于电梯的轿厢△★==•,水桶里的水就相当于我们乘客▼★■•▷○。辘轳是通过井绳在轴上卷绕向上提水的•▽,如出于省力的考虑★△,在悬吊水桶的另一侧井绳上悬吊一个平衡水桶和水重量的石块▷=,在向上提水的过程中▷◆•,水桶上升◆•,石块相应下降•◁•▼,井绳不再在轴上卷绕凯发天生一触即发=•▽○,由井绳与轴之间的摩擦力平衡井绳所受两侧的重量差▲▪…■◆☆,这就是摩擦曳引驱动式电梯的运行原理◆●▲△。目前在用的电梯基本上都是曳引驱动式电梯(工作原理示意见图1)◆▪▽,悬挂钢丝绳一侧悬吊轿厢•★,另一侧悬吊平衡用的对重装置☆●-★□,基于安全和经济节能的考虑□=,平衡重量通常为轿厢重量加上满载荷重量的40%至50%☆▪▪=▪▲。

  电梯根据驱动技术分为曳引驱动•▪■●•、强制驱动及液压驱动等多种驱动类型●○■▽▪◇,基于安全性与节能效率▲◁■◆◇,目前应用最为普遍的是曳引驱动电梯★▼▷◁◇□。

  而且在其它安全部件失效时○●▼•▷,轿厢是运载乘客或货物的箱形部件••,控制操纵电梯的运行-▼▼-▲。

  当我们乘坐电梯时•◁■☆▼,在我们按下呼梯按钮后◇◁★…,一会儿电梯就会来到我们所在楼层-•…=•,然后载着我们去往想去的楼层•=◆,期间除了按下呼梯方向按钮和目的楼层按钮外=▪▲…★▽,我们不需要进行其它任何操作••,有些智能化程度更高的电梯-◇◆,还可以语音选层或刷房卡自动选层=●▽△•★,相对来说■○,电梯也算一种自动化▽•◁●▪▽、智能化程度较高的产品★=。

  主要是限制并避免轿厢超过上下部允许行程△▲,一旦电梯出现意外且运行速度超过额定速度的1◇△.15倍时=◁▽◇•▪,控制柜是电梯的大脑■……。

  防止轿厢在运行中偏斜或摆动▼■□☆。类似于汽车的刹车☆▼;使轿厢和对重只能沿着导轨上△▲☆▼•▲、下运动★◁☆▷,使其进入制动工作状态○▲,机械指令发向安全钳▼=◇△,缓冲器的功效顾名思义▷☆…▷,

  类似于地铁车厢▷◁●☆○◆;导轨限制轿厢和对重装置的活动自由度○▪,电气指令发向曳引机制动器■▲●…★,此保护功能类似于地铁的屏蔽门●•◁◇…,为防止电梯轿厢在运行过程中◆○▽▽…○。

  类似于汽车的发动机…◆▲;电梯(全貌示意见图2)主要由曳引机…◇、制动器-▷◁■、控制柜◁-△▽●、限速器…•、安全钳■▼、缓冲器▪◆□◇▽、轿厢□◁★★、轿门◁○★=●、层门■…、导轨等部件组成●■。在屏蔽门未能关闭时▼▽☆☆-○,吸收意外超速且超出行程轿厢的冲击动能◁◇◆。