This standard specifies the types, characteristics, technical requirements, inspections, as well as marking, packaging, transport, and storage of hollow type guide rails and fishplates for counterweight and balancing weight of lifts.
This standard is applicable to hollow type guide rails and fishplates used in lifts for counterweight and balancing weight without safety gear.
定价: 264元 / 折扣价: 225 元 加购物车
This standard specifies the technical criteria for discard of the main parts of traction lifts, positive drive lifts and hydraulic lifts.
This standard is applicable to passenger lifts and goods lifts, with traction drive at rated speed not exceeding 6.0 m/s or positive drive at rated speed not exceeding 0.63 m/s, or hydraulic lifts at rated speed not exceeding 1.0 m/s.This standard may be taken as a reference for traction drive passenger lifts and goods lifts at rated speed exceeding 6.0 m/s.
This standard is not applicable to service lifts.
In addition to the requirements of this standard, supplementary requirements have to be considered to determine the technical criteria for discard in special cases (use of lifts by persons with disabilities, in case of fire, potentially explosive atmosphere, extreme climate conditions, seismic conditions, transporting dangerous goods, etc.).
定价: 648元 / 折扣价: 551 元 加购物车
This standard specifies the technical requirements,test items and methods,inspection rules,sign,packaging,transport and storage of the energy feedback device for lifts.This standard is applicable to energy feedback device for lifts connected to TN-S system with rated voltages up to and including 400 V AC.This standard is not applicable to the frequency conversion device with controllable rectification function on lifts.
定价: 516元 / 折扣价: 439 元 加购物车
1.1 本标准规定了提高在用电梯安全性的规范,目标是应用当前的安全技术使在用电梯达到新安装电梯同等的安全程度。
注: 由于建筑物设计状况等原因,完全达到当前的安全程度可能有困难。
1.2 本标准适用于:
——曳引式或强制式电梯;
——液压驱动式电梯。
1.3 本标准考虑下列人员的安全:
a) 使用者;
b) 维护和检查人员;
c) 位于井道、机房和滑轮间外面(但在它们的最接近处)的人员;
d) 被授权人员。
1.4 本标准不适用于:
a) GB 7588或GB 21240所规定的驱动方式以外的电梯;
b) 提升设备,如:链斗式升降机、矿井提升机、剧院升降机、自动吊笼、料车设备、施工升降机、船用升降机、海上勘探和钻井平台及建筑维修的升降设备;[ZK)]
c) 导轨垂直倾斜度大于15°的升降设备;
d) 电梯设备运输、安装、修理和拆卸期间的安全;
e) 消防操作期间的安全。
但是,这些在用设备安全性的提高可参照本标准的规定执行。
定价: 49元 / 折扣价: 42 元 加购物车