Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A detection method for preventing accidental movement of elevator car

A technology for elevator car and accidental movement, applied in the field of elevator traction, can solve the problems of elevator wire rope damage, elevator wire rope damage, breakage, etc., and achieve the effect of ensuring service life and saving costs

Active Publication Date: 2015-10-21
河北科莱电梯有限公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The second and third reasons are the quality problems of the traction machine itself
In this public document, the unexpected movement of the car is not detected, but the car stop device (that is, the wire rope clamping protection device described in this patent) is activated every time the elevator stops and the door is opened, so that the traction is frequently affected. The steel wire rope is clamped, which can easily damage the elevator wire rope, which can reduce the service life of the elevator wire rope, or seriously damage or even break the elevator wire rope, resulting in safety accidents

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A detection method for preventing accidental movement of elevator car
  • A detection method for preventing accidental movement of elevator car
  • A detection method for preventing accidental movement of elevator car

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0029] like figure 1 As shown, it is the position of the leveling magnetic isolation plate 1 and the leveling sensor 2 under normal conditions. The installation bracket 3 is installed on the outside of the elevator car, and the two leveling sensors 2 are installed on the installation bracket 3. The layer magnetic isolation plate 1 is installed on one side on the guide rail of the elevator car, and a flat layer magnetic isolation plate is installed on every floor where the elevator car needs to stay. The leveling sensor 2 is U-shaped, and when the elevator car moves the leveling where the paper needs to stay, the leveling magnetic isolation plate 1 just slides into the U-shaped groove of the leveling sensor 2.

[0030] When the two leveling sensors 2 are inserted into the U-shaped slots of th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a detection method for preventing an elevator car from moving accidentally. In the process of using the method, two flat floor sensors and a flat floor magnetism separation plate are mainly included, and an elevator control system receives feedback signals emitted by the flat floor sensors after the flat floor magnetism separation plate inserts into the flat floor sensors for judging the moving state of the elevator car and detecting accidental moving of the elevator car. By the aid of the method, other extra detection means or switches are not added in an original elevator system, so cost is saved. An elevator car stop device can be triggered only when abnormal moving of the elevator is detected through signal induction feedbacks of the flat floor sensors, and accordingly the method is favorable for guaranteeing the service life of elevator parts and reducing damages of the elevator parts.

Description

technical field [0001] The invention relates to the field of elevator traction, in particular to a detection method for preventing accidental movement of an elevator car. Background technique [0002] At present, the commonly used forms of elevators are traction type, that is, the elevator car is suspended by steel wire rope, and the car is moved by the friction force between the steel wire rope and the traction machine, similar to a pulley block. When the elevator car is in the door-opening area of ​​the floor, the traction machine stops rotating, and the brake on the traction machine is in a closed state, which is similar to the function of a car tire brake, locking the traction wheel on the traction machine with the wire rope wrapped around it, so that it will no longer Swivel, which is when the elevator car stands still for passengers to get on and off. When the elevator car needs to move, the motor of the traction machine starts to work, and at the same time, the brake...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B66B5/02
Inventor 刘波余海跃彭兴平孙金山魏建军虞丽君
Owner 河北科莱电梯有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products