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Safety control method and system for hoisting equipment

A technology for safety control and lifting equipment, applied in cranes, load hanging components, transportation and packaging, etc., can solve complex operation characteristics, difficult to maintain the balance of lifting equipment and other problems, and achieve the effect of dynamic moment balance

Active Publication Date: 2022-03-04
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the fixed counterweight, the mobile counterweight can expand the hoisting capacity of the crane under the same counterweight size, and can flexibly adjust the position of the counterweight to keep the center of gravity of the system always within the range of the slewing support to improve the hoisting stability; however, in In the actual hoisting operation, there are complex operating characteristics. The hoisting weight or moment is not constant in the hoisting operation. It is actually difficult for the mobile counterweight to maintain the balance of the lifting equipment and maintain the balance state. If the balance is not maintained in the operation, there will be safety risks. Therefore, the implementation of the above-mentioned market demand scheme must be based on a reasonable and efficient control strategy, and a balanced safety control strategy can provide personnel, equipment, and hoisting operations. security

Method used

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  • Safety control method and system for hoisting equipment
  • Safety control method and system for hoisting equipment
  • Safety control method and system for hoisting equipment

Examples

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Effect test

Embodiment 1

[0132] The embodiment of the present invention aims at the hoisting operation of current cranes using mobile counterweights in order to improve the lifting capacity and improve the stability of hoisting, which requires efficient and safe control, and it is difficult to hoist according to the stage characteristics of hoisting, lowering, and luffing in the hoisting process Linkage control with counterweight (lifting can refer to the process of increasing the load from 0 to the total weight of the hoisted object, and lowering can refer to the process of the hoisting weight from the total weight of the heavy object to the total weight of the hoisted object on the ground to 0) , it is difficult to complete the continuous movement and continuous operation control of the counterweight. A safety control scheme for the dynamic balance of the counterweight under the continuous operation of the crane based on the characteristics of the operation stage is proposed. Load and counterweight d...

Embodiment 2

[0223] An embodiment of the present invention provides a safety control system for lifting equipment, the safety control system may include:

[0224] The main control module is used to determine the hoisting operation stage of the lifting equipment, and select the target direction of the counterweight movement in the hoisting operation stage;

[0225] a counterweight control module, configured to perform continuous counterweight movement in the target direction;

[0226] a hoisting control module, configured to perform the hoisting operation in the hoisting operation phase;

[0227] The hoisting control module is used to obtain counterweight parameters corresponding to the movement of the counterweight and hoisting parameters corresponding to the hoisting operation;

[0228] The hoisting control module is used to determine whether to execute the safety control of the hoisting operation and / or determine whether to execute the hoisting operation according to the matching degree...

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Abstract

The invention provides a safety control method and system for hoisting equipment, and belongs to the technical field of engineering machinery. The method comprises the steps that the hoisting operation stage of hoisting equipment is determined, and the target moving direction of a balance weight in the hoisting operation stage is selected; hoisting operation in the hoisting operation stage is executed, and continuous counterweight movement in the target direction is executed; obtaining a counterweight parameter corresponding to the counterweight movement and a hoisting parameter corresponding to the hoisting operation; and according to the matching degree of the actual value of the hoisting parameter and the actual value of the counterweight parameter, whether safety control of the hoisting operation is executed or not is determined, and / or whether existing safety control release of the hoisting operation is executed or not is determined. The method can be used for safety guarantee of hoisting operation.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a safety control method for lifting equipment, a safety control system for lifting equipment, an electronic device, an engineering machinery and a computer-readable storage medium. Background technique [0002] At present, for cranes, including truck cranes, all-terrain cranes, crawler cranes, etc., during the hoisting process, the fixed counterweight is inconvenient to use, and it is increasingly difficult to meet the various hoisting requirements for hoisting operations. In order to improve the use efficiency of the counterweight, improve the hoisting capacity, and reduce the cost of counterweight transportation and installation, it is considered to improve the traditional fixed counterweight into a variable stroke forward and backward movable counterweight. [0003] The mobile counterweight can change the position of the counterweight in real time according to th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/76B66C23/88B66C23/62B66C13/16B66C13/48B66C13/46
CPCB66C23/76B66C23/88B66C23/62B66C13/16B66C13/48B66C13/46
Inventor 刘宏亮付玲尹莉刘延斌
Owner ZOOMLION HEAVY IND CO LTD
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