A disaster prevention elevator comprises a lift car, a liquid box, a hydraulic cylinder and an elevator shaft, a rail is arranged in the elevator shaft so that the lift car can move stably and linearly, the liquid box is arranged below the lift car, and the liquid box and the hydraulic cylinder are connected through a one-way valve so that liquid can enter the hydraulic cylinder under the action of external force; the hydraulic cylinder is provided with a drain valve, so that the descending speed of the lift car can be controlled by adjusting the drain valve within the safe load range, and the drain valve is connected with a pipeline so that liquid can be conveyed into the liquid tank from the hydraulic cylinder.
一种防灾电梯,包括轿厢、液箱、液压缸和梯井,梯井内设有轨道使得轿厢可以平稳直线移动,轿厢下方设有液箱,液箱和液压缸通过单向阀连接使得液体在外力作用下可以进入液压缸但液压缸内的液体向液箱流动时受到单向阀的阻碍,液压缸设有排液阀使得在安全载荷范围内通过调整排液阀可控制轿厢下降速度,排液阀与管道连接可将液体从液压缸输送到液箱内。
Disaster prevention elevator
一种防灾电梯
2022-05-27
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |
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