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Intelligent safety limit control system of hoisting equipment and working method thereof

A technology of lifting equipment and control systems, applied in the direction of safety devices, load hanging components, transportation and packaging, etc.

Inactive Publication Date: 2011-05-18
刘鸿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing technology still has certain limitations in order to truly solve the technical problem of equipment limit safety management.

Method used

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  • Intelligent safety limit control system of hoisting equipment and working method thereof
  • Intelligent safety limit control system of hoisting equipment and working method thereof
  • Intelligent safety limit control system of hoisting equipment and working method thereof

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with specific examples.

[0023] Such as Figure 4 Shown is the concrete circuit diagram of the present invention:

[0024] 1. Function allocation and description of input interface:

[0025] I1: Start button SB0-2, the power is turned on, and the system is initialized at the same time;

[0026] I2: Cart force button SB1, forcing the cart to output Q1 and Q2, and at the same time, the system alarm output Q7;

[0027] I3: trolley force button SB2, force the trolley to output Q3 and Q4, at the same time, the system alarm output Q7;

[0028] I4: SQ1, the limit device for the left travel of the cart, has the function of self-diagnosis, and at the same time, it can initialize the diagnosis of the system;

[0029] I5: SQ2, the limit device for the right travel of the cart, has the function of self-diagnosis, and at the same time, it can initialize the diagnosis of the system;

[0030] I6: trolley advanc...

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Abstract

The invention discloses an intelligent safety limit control system of hoisting equipment and a working method thereof. In the system, a group of output ends of a controller are respectively connected with limit circuits of respective peripheral equipment; pulse signal output ends of the controller are connected with a group of optoelectronic switches and display devices, and the group of optoelectronic switches and the display devices correspond to the functions of the limit circuits of the peripheral equipment; each optoelectronic switch and a state display unit thereof are connected to respective controller input interface; a power supply is respectively connected with the controller, the optoelectronic switches and the display devices and used for supplying power to the optoelectronic switches and the display devices; and an alarm circuit is connected with an alarm output interface of the controller. In the invention, when the equipment is powered on for starting, the system sends out an initialization monitoring pulse so as to diagnose the properties of all limit devices on the equipment and the limit position of an equipment execution mechanism on line and change the invisible problems of the limit switches into preventable control technical problems to achieve the purpose of real limit safety protection of the hoisting equipment.

Description

technical field [0001] The invention relates to an intelligent safety limit control system, in particular to an intelligent safety limit control protection system applied to various lifting equipment and a working method thereof. It is organically combined with the existing electrical control system of lifting equipment, and in a real sense, it can realize the purpose of humanized and intelligent equipment safety standardization management, so as to avoid certain equipment and personal accidents. technical background [0002] At present, the limit switches of the hoisting, cart and trolley actuators in the electrical control circuits of most lifting equipment adopt mechanical dynamic break (normally closed contact) travel switches. Only when the actuator moves to the limit position, the limit switch The bit switch will only act when there is a contact collision. Due to long-term use, many reasons such as mechanical wear and internal corrosion of the limit switch and deforma...

Claims

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Application Information

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IPC IPC(8): B66C13/50B66C13/48B66C15/06
Inventor 刘鸿
Owner 刘鸿
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