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    • 2. 发明申请
    • REMOTELY RESETTABLE ROPELESS EMERGENCY STOPPING DEVICE FOR AN ELEVATOR
    • 用于电梯的远程重启无线紧急停止装置
    • WO2005044709A1
    • 2005-05-19
    • PCT/US2003/031551
    • 2003-10-07
    • OTIS ELEVATOR COMPANYOH, Jae-HyukMILLER, Robin, MihekunPERUGGI, Richard, E.WAN, SamuelCOONEY, AnthonyBACELLAR, AdrianaPENG, Peie-Yuan
    • OH, Jae-HyukMILLER, Robin, MihekunPERUGGI, Richard, E.WAN, SamuelCOONEY, AnthonyBACELLAR, AdrianaPENG, Peie-Yuan
    • B66B5/04
    • B66B5/06B66B5/22
    • A brake mechanism (10) for an elevator (2) is activated in response to an electronic control signal to prevent movement of an elevator car (16) under predetermined conditions. The brake mechanism is preferably a safety mechanism (10) and does not require a governor sheave, a governor rope, or a tension sheave. The safety mechanism in one disclosed example utilizes a solenoid actuator (22b) and an electric motor (40) and gear box assembly (42) to move safety wedges (18) into engagement with a guide rail (20) to stop the elevator car (16). The safety wedges (18) are held in a non-deployed position during normal elevator operation. If there is a power loss or if elevator car speed exceeds a predetermined threshold, an electronic control signal activates the safety mechanism (10) causing the solenoid to release, which causes the safety wedges (18) move in a direction opposite to that of a safety housing (12) mounted for movement with the elevator car (16). Angled surfaces of the safety housing (12) force the safety wedges (18) into engagement with the guide rail (20). The safety mechanism (10) can be selectively reset from a remote location.
    • 用于电梯(2)的制动机构(10)响应于电子控制信号被激活,以防止电梯轿厢(16)在预定条件下移动。 制动机构优选地是安全机构(10),并且不需要调速器滑轮,调速器绳索或张力滑轮。 在一个公开的示例中的安全机构使用螺线管致动器(22b)和电动机(40)和齿轮箱组件(42)以将安全楔(18)移动成与导轨(20)接合以停止电梯轿厢 16)。 在正常电梯运行期间,安全楔(18)保持在非展开位置。 如果有电力损失或电梯轿厢速度超过预定阈值,则电子控制信号激活安全机构(10),导致螺线管释放,这导致安全楔(18)沿与 安全壳体(12)安装成与电梯轿厢(16)一起移动。 安全壳(12)的倾斜表面迫使安全楔(18)与导轨(20)接合。 可以从远程位置选择性地复位安全机构(10)。