The bidirectional speed-limiting brake device comprises an elevator shaft, an elevator car is arranged in the elevator shaft, guide rails are arranged on the two sides of the interior of the elevator shaft, the elevator car is connected with the guide rails through guide shoes, a traction machine is arranged on a machine room above the elevator car, and safety tongs are installed at the two ends of a lower cross beam of the elevator car. The safety tongs are matched with the guide rail, a connecting rod mechanism is arranged between the two safety tongs and located on the upper surface of the elevator car, a first speed limiter is fixedly connected to the upper portion of the elevator shaft, a first tensioning wheel is arranged below the elevator car, the first tensioning wheel is connected with the sliding rail through a guide block, and the first tensioning wheel is connected with the first speed limiter in series through a steel cable. A second speed limiter is fixedly connected below the first tensioning wheel, and a balancing weight is fixedly connected below the second speed limiter; according to the elevator, the elevator can be prevented from falling into a well, meanwhile, the function of preventing the elevator top rushing accident can be achieved, and a guarantee is added for safe operation of the elevator.
本发明公开了一种用于电梯防冲顶防坠落的双向限速制动装置,包括电梯井道,电梯井道内设有电梯轿厢,电梯井道内部两侧均设有导轨,电梯轿厢与导轨通过导靴连接,电梯轿厢上方机房设有曳引机,电梯轿厢下横梁两端均安装有安全钳,安全钳与导轨相配合,两个安全钳之间且位于电梯轿厢上表面设有连杆机构,电梯井道上方固定连接有第一限速器,电梯轿厢下方设有第一涨紧轮,第一涨紧轮与滑轨通过导块连接,第一涨紧轮与第一限速器通过钢索串联,第一涨紧轮下方固定连接有第二限速器,第二限速器下方固定连接有配重块;本发明能够实现电梯在防止电梯坠井的同时,还能够实现防止电梯冲顶事故的功能,为电梯安全运行增加一份保障。
Two-way speed-limiting brake device for preventing elevator from rushing to top and falling
一种用于电梯防冲顶防坠落的双向限速制动装置
2023-02-03
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
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