推荐回答(2个)
家用别墅电梯是指安装在私人住宅中,仅供单一家庭成员使用的电梯。它也可以安装在非单一家庭使用的建筑物内,作为单一家庭进入其住所的工具,但是建筑物内的公众或其他居住者无法进入和使用。家用电梯额定速度不超过0.4m/s,对于无轿门的家用电梯额定速度不超过0.3m/s,轿厢行程不超过12m,额定载重量不大于400KG。家用电梯主要有三类:液压式、螺杆式、曳引式。
来源:杭州奥德森电梯有限公司
1、曳引式家用电梯
概述:家用曳引梯分为传统曳引钢丝绳梯与新型曳引钢带梯。曳引机位于井道最上方,曳引钢丝绳/钢带通过曳引轮连接轿厢与对重装置。曳引机上放置导向轮使轿厢与对重在井道中正常运行而不相碰。电动机转动带动曳引轮,驱动钢丝绳/钢带带动轿厢与对重作相对运作。
1.1:曳引式家用电梯优点
1.1.1:运行平稳、节能环保
主机采用永磁同步无齿轮曳引机,噪音小,功率一般只有1个多千瓦。主机位于顶部,噪音源比较远。
1.1.2:结构灵活、价格经济
曳引电梯还有龙门式与背包式、平台式与轿厢式、钢带与钢丝绳之分,根据现场实际情况进行设计合适方案。曳引式电梯属于现代化产品,生产现代化相对节省很多成本。
1.2:曳引式家用电梯缺点
1.2.1:对土建要求稍微高些
顶层要求2600mm以上,底坑预留200mm以上。
1.2.2:生产厂商比较多,质量参差不齐。
2、螺杆式家用电梯
概述:螺杆式电梯采用电动机作为动力源,电动机通过皮带与螺母相连,而螺母齿纹与螺杆齿纹之间阴阳啮合,当电动机工作时,驱动螺母在螺杆上运动,从而带动轿厢作上下运动。安全性较高因为其实下面一直有东西顶住,即使失去电力,自由落体下降,螺杆也要带动电机做较大的负功,下降会非常慢,所以坐这种电梯一定不会摔着,而且只要锁住螺杆即可防止自由落体下降。
2.1:螺杆式家用电梯优点
2.1.1:土建要求低、空间利用率高
螺杆电梯底坑仅需50mm,顶层要求非常低。而且螺杆电梯是平台式,无轿壁结构,空间利用率比较高。
2.1.2:结构简单、安全性高
螺杆式家用电梯结构简单,易损零件少,客户后期维修烦恼少。螺杆电梯结构原理使螺杆电梯不会出现冲顶与蹲底现象,所以螺杆电梯也是复式楼加装电梯的首选。
2.2:螺杆式家用电梯缺点
2.2.1:机械噪音大
螺杆电梯是螺母在螺杆上转动,所以机械噪音比其他电梯大,并且噪音源较近。
2.2.2:运行速度慢
螺杆电梯的速度只有0.15m/s,一般曳引式电梯可以做到0.4m/s,速度相差比较大。
3、液压式家用电梯
概述:液压电梯 (hydraulic lift) 依靠液压驱动的电梯。液压电梯是通过液压动力源,把油压入油缸使柱塞作直线运动,直接或通过钢丝绳间接地使轿厢运动的电梯。液压电梯是机、电、电子、液压一体化的产品,由下列相对独立但又相互联系配合的系统组成。泵站系统、液压系统、导向系统、轿厢、门系统、电气控制系统、安全保护系统。
3.1:液压式家用电梯优点
3.1.1: 液压式电梯对土建结构的要求低
顶层高度只要有2600mm以上可以安装,基坑100mm以上就能满足。
3.1.2: 液压式电梯不会超速失控
3.2:液压式家用电梯缺点
3.2.1:舒适感不足
电机和油泵产生的噪音源较近,运行不平稳,调速是靠泵站泵的油量和压力来调节的所以电梯运行时有抖动或下沉的感觉。
3.2.2:会出现漏油现象
油缸活塞的使用寿命到期以后,或存在磨损破裂时,液压油就会漏到井道内,容易造成室内空气被油污污染。
电梯建议选择液压形式的,因为液压形式的比较安全,而且静音,使用周期长,绝无漏油情况。螺杆式电梯噪音比较大,采用上下固定螺杆,运行不稳定,对以后的运行存在安全隐患
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