Intelligent guardrail positioned on car top of elevator

Abstract

The invention relates to an intelligent guardrail positioned on the car top of an elevator, comprising a handrail, a middle rail and a toe guard plate, wherein the positions of the handrail, the middle rail and the toe guard plate are sequentially arrayed from top to bottom; the handrail, the middle rail and the toe guard plate form a framework structure of the guardrail; the outer edge of the framework structure is provided with an intelligent sensor; the intelligent sensor is fixed on the framework structure through a bracket; an acquisition area of the intelligent sensor is a longitudinal surface of a guardrail framework positioned on the edge provided with the intelligent sensor; and the intelligent sensor can be arranged on three or four side surfaces of the guardrail positioned on the car top and is connected with a buzzer alarm. An alarm area is formed by the intelligent sensor, when the parts of a human body enter an alarm area set by a scanner, a relay actuates, and the buzzer alarm is electrified to alarm; when the parts of the human body depart from the alarm area, the relay resets, and the buzzer alarm stops alarming. The invention has the advantages of actively reminding operators of overtopping the guardrail positioned on the car top and preventing personal injury accidents caused by self negligence and involuntary carelessness.

Description

technical field [0001] The invention relates to an elevator car top guardrail structure, in particular to an elevator car top intelligent guardrail with an alarm prompt function. Background technique [0002] Elevator car roof guardrail is a car roof accessory set up to protect the safety of elevator maintenance and inspection personnel. The current standard GB7588-2003 "Safety Code for Elevator Manufacturing and Installation" in my country's elevator industry clearly stipulates the requirements for the installation distance, protection height, and basic components of the elevator car top guardrail to prevent operators from falling when working on the car top. , shearing and other accidents. Considering the actual design, installation and maintenance factors of the elevator, most elevator car top guardrails are composed of handrails, 0.10m high toe guards and middle railings located at half the height of the guardrails. Dangerous warning symbols or notices to remind operato...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the fact that the existing elevator car top guardrail cannot actively alarm when the operator exceeds the guardrail, the present invention provides an intelligent elevator car top guardrail. The guardrail not only meets the requirements of the GB7588-2003 standard, but also can Actively use the sound to alert the operator to remind him that he has exceeded the guardrail

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