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Safety protection device for preventing lift accidents

A safety protection device and elevator technology, which is applied to elevators, transportation and packaging, elevators, etc. in buildings, can solve problems such as accidental injury of passengers, inability to send car movement signals, and unexpected movement of cars to improve safety , Improved and improved safety, convenient and flexible installation

Inactive Publication Date: 2013-12-04
王伟峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the safety protection measures for elevators are mainly to install detection switches at relevant positions of the equipment. When the car door is detected to be opened, the system cannot send the car movement signal. Only when the car door is detected to be closed, the system sends the car movement signal. At this time, the elevator car can rise or fall; but if any part of the elevator host or drive system on which the safe movement of the elevator depends fails and fails, the car may move unexpectedly, which will also cause accidental injury to passengers serious consequences of the accident

Method used

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  • Safety protection device for preventing lift accidents
  • Safety protection device for preventing lift accidents
  • Safety protection device for preventing lift accidents

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Such as figure 1 , figure 2 and image 3 As shown: a safety protection device for preventing elevator accidents provided by this embodiment, including: a trigger device 1 for identifying the open state of the elevator car door and a trigger device 1 for detecting the accidental movement of the elevator car door when the elevator car door is not closed. The executive device 2 for immediately locking the compartment and a linkage device 3 for linkage between the trigger device 1 and the executive device 2; the trigger device 1 adopts an electronic detection structure, including a detection device 11 and a controller 12. The detection device 11 includes a non-contact detection switch 111 (for example: electromagnetic switch, photoelectric switch, proximity switch, etc.) and a positioning baffle 112. The device 12 is electrically connected; the positioning baffle 112 is fixed on the car door hanging plate 8; the actuator 2 adopts a locking block type locking structure, i...

Embodiment 2

[0045] Such as Figure 7 and Figure 8 As shown, the difference between this embodiment and Embodiment 1 is that the detection device 11 includes a contact detection switch 113 (for example: a mechanical contact switch, etc.) and a switch contact 114. The contact Type detection switch 113 is fixed on the door machine 9, and is electrically connected with the controller 12; The switch contact 114 is fixed on the car door hanging plate 8.

[0046] When the car door 5 is opened, the car door hanging plate 8 moves to the door opening direction, and the switch contact 114 moves away from the contact detection switch 113 along with the movement of the car door hanging plate 8. At this time, the controller 12 receives the contact detection switch The disengagement signal sent by 113 immediately energizes the electromagnet 34, and after the electromagnet 34 is energized, the swing bar 33 is pulled to be in the fitted state with the fixed bar 31. If the unexpected movement of the car...

Embodiment 3

[0048] Such as Figure 9 and Figure 10 As shown, the difference between this embodiment and Embodiment 1 is that the detection device 11 includes a door lock switch, a door area position detection switch 117 and a switch detection plate 118; the mobile end 115 of the door lock switch is fixed On the car door hanging plate 8, the fixed end 116 of the door lock switch is fixed on the door machine 9, and is electrically connected with the controller 12; the door area position detection switch 117 is fixed on the car 6, and is connected with the controller 12 The controller 12 is electrically connected; the switch detection board 118 is fixed on the inner wall of the hoistway.

[0049] After the car 6 moves to the designated position, the door area position detection switch 117 senses the switch detection plate 118, and the door area position detection switch 117 sends a signal to the controller 12, indicating that the car 6 has arrived at the designated position, and the car do...

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Abstract

The invention discloses a safety protection device for preventing lift accidents. The safety protection device for preventing the lift accidents comprises a trigger device, an execution device and a linkage device, wherein the trigger device recognizes the open state of a lift car door; the execution device implements locking on a lift car immediately in the occurrence of accidental movement in the unclosed state of the lift car door; the linkage device enables the trigger device to link with the execution device; the trigger device adopts an electronic detection structure; the execution device adopts a latch segment type locking structure; the linkage device adopts a mechanical linkage structure. The safety protection device for preventing the lift accidents not only can detect whether the lift car generates the accidental movement or not in time, but also can implement a safety protection measure, i.e. locking on the lift car when detecting the accidental movement of the lift car, thereby being significant in protecting the safety of lift equipment and the personal safety of passengers; particularly, the safety protection device has the advantages of simple structure, safety, reliability, convenience and flexibility in installation and the like, thereby having remarkable practical values of improving and bettering the safety of an existing lift.

Description

technical field [0001] The invention relates to a safety protection device for preventing elevator accidents, and belongs to the technical field of elevator safety. Background technique [0002] At present, the safety protection measures for elevators are mainly to install detection switches at relevant positions of the equipment. When the car door is detected to be opened, the system cannot send the car movement signal. Only when the car door is detected to be closed, the system sends the car movement signal. At this time, the elevator car can rise or fall; but if any part of the elevator host or drive system on which the safe movement of the elevator depends fails and fails, the car may move unexpectedly, which will also cause accidental injury to passengers serious consequences of the accident. [0003] In recent years, safety accidents caused by elevator failures have occurred in many places in my country. Among them, the accidental movement of the car when the car door...

Claims

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Application Information

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IPC IPC(8): B66B5/02B66B13/18
Inventor 张磊洪浩王伟峰
Owner 王伟峰
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