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Elevators equipped with safety facilities, and safety facilities

A technology for safety facilities and elevators, applied in transportation, packaging, elevators, etc., can solve problems such as electrical monitoring systems that are prone to failure, and achieve the effects of improved safety, easy reset, and easy use

Inactive Publication Date: 2020-02-11
KONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Turning buffers to a safe position and starting electrical monitoring circuits are often such a complex combination that they may be left out (especially for small tasks) due to their complexity and in order to save time used
In addition, the electrical monitoring system is prone to failure

Method used

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  • Elevators equipped with safety facilities, and safety facilities
  • Elevators equipped with safety facilities, and safety facilities
  • Elevators equipped with safety facilities, and safety facilities

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] figure 1 A simplified side view of an elevator car 1 is presented, provided with a safety arrangement according to the invention for preventing unintentional movement of the elevator car 1 and at the same time for producing a sufficiently high upper safety required in the elevator shaft. space and the lower safety space. For clarity, the guide rails of elevator car 1 are not in figure 1 shown in .

[0023] The elevator car 1 may be a conventional elevator car provided with a car door 2, wherein the ropes 5 of the overspeed governor are connected to the wedges 3a of a two-way safety gear operating as a safety braking device 3, e.g. Unexpected movements of the elevator car 1 are stopped in the meantime. In the following text, the shorter designation “safety gear 3 ” is used to designate safety braking device 3 . On both sides of the elevator car 1 are safety gears 3, which are connected to each other via synchronizing levers, in which case the wedges 3a of the safety ...

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PUM

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Abstract

The object of the invention is an elevator provided with a safety arrangement, said elevator comprising at least one elevator car (1) traveling along a guide rail (12), and means for stopping unintended movements of said elevator car (1) Safety braking equipment, such as safety gear (3), and a transmission mechanism (6) for activating the safety gear (3). The safety device arrangement includes an adjustment device (7) provided on the elevator car (1) for detecting the presence of a person on the roof of the elevator car (1), the adjustment device (7) including a device (7) for detecting the presence of a person on the roof of the elevator car (1). A device (10) for pre-activating the transmission mechanism (6) when there is a person on the roof of the elevator car (1).

Description

technical field [0001] The object of the invention is an elevator provided with a safety arrangement. Background technique [0002] The safety of persons in the elevator shaft must always be ensured when various procedures are carried out in the elevator shaft, such as inspections, adjustments, maintenance or repair procedures. In particular, if the elevator car is near the bottom of the elevator shaft when the employee is on the bottom of the elevator shaft, or if the elevator car is near the top of the elevator shaft when the employee is on the roof of the elevator car, unexpected movement of the car Hazardous situation may result. The size of the safe working space, ie the distance from the elevator car to the bottom or top of the elevator shaft, is also defined in the elevator regulations. [0003] If the height of the bottom clearance or the top clearance of the elevator shaft is shallow, sufficient safety space for the personnel on the bottom of the elevator shaft or...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B5/00
CPCB66B5/0062B66B5/16B66B5/005B66B5/0068B66B5/044B66B5/22
Inventor M.哈帕尼米M.拉萨宁M.海瓦拉A.卡泰宁
Owner KONE CORP
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