A safety protection device for elevator maintenance comprises two guardrail plate assemblies, each guardrail plate assembly comprises a wall connecting frame and a guardrail plate, each wall connecting frame is provided with an electromagnetic adsorption device and a positioning table, and each electromagnetic adsorption device comprises a first coil circuit with a first coil; the switch-on circuit is used for connecting the two coil circuits I in series to form a coil main circuit, and the coil main circuit is connected to a maintenance loop containing a maintenance switch in series; movable locking rods and second coil circuits with second coils are arranged in the two guardrail plates respectively, the movable locking rods are arranged in the corresponding guardrail plates in a sliding mode, the second coils are fixedly arranged in the corresponding guardrail plates, and the second coil circuits are connected to the main coil circuit in parallel; a toggle switch is fixedly arranged in the guardrail plate corresponding to the second coil, and the wall connecting frame corresponding to the second coil is further provided with a shifting rod part. The device is suitable for being installed on a maintenance base layer, high safety and convenience are both considered, and meanwhile, great inconvenience cannot be brought to resident travel during protection.
一种用于电梯检修时的安全保护装置,包含两个护栏板组件,护栏板组件包含墙体连接架、护栏板,墙体连接架设有电磁吸附装置及定位台,电磁吸附装置包含具有线圈一的线圈电路一;还包括用于将两个线圈电路一串联起来以形成线圈总电路的导通电路,线圈总电路串接至含有检修开关的检修回路中;两护栏板的内部分别设置有活动锁杆以及具有线圈二的线圈电路二,活动锁杆滑动设于对应的护栏板中,线圈二固定设于对应的护栏板中,线圈电路二并联至所述线圈总电路上;其中,线圈二对应的护栏板内固定设有拨动开关,线圈二对应的墙体连接架还设有拨杆部。本发明,适用于安装在检修基层,兼顾高安全性与便利性,同时,保护时不会为住户出行带来较大不便。
Safety protection device for elevator maintenance
一种用于电梯检修时的安全保护装置
2024-05-10
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
Safety protection device applied to elevator pit maintenance
European Patent Office | 2021
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