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Method for eliminating secondary fault lifting of hoister

A secondary fault, hoist technology, applied in the direction of load hanging components, transportation and packaging, safety devices, etc., can solve problems such as secondary faults of hoists, reduce labor intensity, eliminate secondary faults, and ensure production. The effect of cycle time

Active Publication Date: 2018-11-02
佛山市金丰机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the interlocking time between the hoist and the coke tank car is set to be lowered and lifted for a short time, only 20s, so once the time exceeds 20s, the coke tank will have a secondary failure to lift, so how to solve the problem of the secondary failure of the hoist is particularly important

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method for eliminating the secondary fault lifting of the hoist provided in this embodiment includes the hoist APS, the hoist PLC and the programmable logic controller of the coke tank car, and is characterized in that it specifically includes the following steps:

[0017] Step 1, a release detector is set at the position of the maximum range of the track where the APS of the hoist is released;

[0018] Step 2, and prolong the interlock protection time of hoist lowering and lifting, and set the hoisting machine lowering and hoisting interlock protection time in the hoist PLC program to 50S;

[0019] Step 3. In the hoist PLC, add the hoist APS overtime judging unit that uses the hoist PLC to obtain the release detector signal in real time, and use the hoist APS relaxation action instruction starting point as the condition of the overtime program, select the time function module, and set the time It is stipulated as 20S-30S. Use the elevator PLC to obtain the release de...

Embodiment 2

[0026] A method for eliminating the secondary fault lifting of the hoist provided in this embodiment includes the hoist APS, the hoist PLC and the programmable logic controller of the coke tank car, and is characterized in that it specifically includes the following steps:

[0027] Step 1, a release detector is set at the position of the maximum range of the track where the APS of the hoist is released;

[0028] Step 2, and prolong the interlock protection time of hoist lowering and lifting, and set the hoisting machine lowering and hoisting interlock protection time in the hoist PLC program to 60S;

[0029] Step 3. In the hoist PLC, add the hoist APS overtime judging unit that uses the hoist PLC to obtain the release detector signal in real time, and use the hoist APS relaxation action instruction starting point as the condition of the overtime program, select the time function module, and set the time The regulation is 20S, use the elevator PLC to obtain the release detector...

Embodiment 3

[0035] A method for eliminating the secondary fault lifting of the hoist provided in this embodiment includes the hoist APS, the hoist PLC and the programmable logic controller of the coke tank car, and is characterized in that it specifically includes the following steps:

[0036] Step 1, a release detector is set at the position of the maximum range of the track where the APS of the hoist is released;

[0037] Step 2, and prolong the interlock protection time of hoist lowering and lifting, and set the hoisting machine lowering and hoisting interlock protection time in the hoist PLC program to 55S;

[0038]Step 3. In the hoist PLC, add the hoist APS overtime judging unit that uses the hoist PLC to obtain the release detector signal in real time, and use the hoist APS relaxation action instruction starting point as the condition of the overtime program, select the time function module, and set the time The regulation is 30S, use the hoist PLC to obtain the release detector sig...

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PUM

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Abstract

The invention discloses a method for eliminating secondary fault lifting of a hoister. A loosening detector is arranged at the position of a loosening track of a hoister APS; a hoister APS timeout judgment unit is additionally arranged in a hoister PLC, and when the hoister PLC does not acquire a signal of the loosening detector within the required time, it is judged that the APS is in a non-loosened state; when APS loosening limiting goes wrong and the problem is not restored within 30 seconds, the PLC automatically outputs a signal that the APS is in a non-loosened state; when the PLC sendsthe output signal that the APS is in the non-loosened state to a coke tank truck programmable logic controller, the coke tank truck programmable logic controller immediately controls and breaks the coke tank truck locking state and a lifting instruction, and secondary fault lifting of the hoister is eliminated; data is reset; and the hoister APS is connected with a mobile terminal through a network. According to the method for eliminating the secondary fault lifting of the hoister, the APS state is acquired in real time so as to control and break the coke tank truck locking state and the lifting instruction.

Description

technical field [0001] The invention relates to the technical field of electrical automatic control, in particular to a lifting method for eliminating secondary faults of a hoist. Background technique [0002] The hoist is an indispensable and important mechanical equipment for coke CDQ shipment in coking plants. Its entire operation process is automatically interlocked with related equipment through the hoist programmable logic controller (hereinafter referred to as hoist PLC). The original design procedure of the hoist is that when the empty coke tank drops to the hook opening limit, that is, when the hoist PLC commands the hook head to be in the open position, the automatic alignment device of the hoist (abbreviated as hoist APS) relaxes, and the CDQ of the coke tank is transported. The car walks, and carries out the operation of the next cycle. However, once the APS of the hoist fails to release the limit, the action is timed out, and after a delay of 20s, the hoist wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/16B66C13/48B66C15/06
CPCB66C13/16B66C13/48B66C15/065
Inventor 金松锡
Owner 佛山市金丰机械有限公司
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