Method and device for judging stability of rotation operation and engineering machinery

Abstract

The invention relates to the field of engineering machinery, and discloses a method and a device for judging the stability of rotation operation and engineering machinery, the method comprises the steps: obtaining rotation operation stability judgment parameters, wherein the rotation operation stability judgment parameters comprise the rotation angle of a rotary table of the engineering machineryor the first gravity center of the engineering machinery; determining a supporting area formed by connecting lines of the positions of all the supporting legs of the engineering machinery; dividing the support area into a first stability judgment area and a second stability judgment area, wherein the first stability judgment area is an area for enhancing the stability of the engineering machine when the rotary table is controlled to rotate anticlockwise and reducing the stability of the engineering machine when the rotary table is controlled to rotate clockwise, the second stability judgment area is an area for enhancing the stability of the engineering machinery when the turntable is controlled to rotate clockwise and reducing the stability of the engineering machinery when the turntableis controlled to rotate anticlockwise; and based on the rotation operation stability judgment parameter, the first stability judgment area and the second stability judgment area, judging and controlling the stability of the rotation operation executed by the turntable. Therefore, the stability of the rotary operation executed by the rotary table is judged and controlled.

Description

technical field [0001] The present invention relates to the field of construction machinery, in particular to a method and device for judging the stability of slewing operation and construction machinery. Background technique [0002] The mobile jib equipment operates with the jib raised high, the center of gravity of the whole machine (including the operating load) is high, and there is a risk of tipping over when the jib is slewing relative to the limited load-bearing area, and safety control of the slewing action is required. Among them, mobile boom equipment includes boom concrete pump trucks, concrete placing machines, (high-altitude) work platform machinery with folding arms, folding arm fire protection equipment, mobile cleaning manipulator equipment, wall building machines and other construction equipment, excavators , mobile cranes (including truck cranes, crawler cranes, ground cranes, etc.), mobile rotatable belt conveyor equipment (mining machines or agricultural...

AI Technical Summary

Problems solved by technology

The technical solution disclosed in the prior art only focuses on the influence of the position of the center of gravity of the equipment on the overturning, and controls the movement of the boom with the division (as a criterion) that meets certain rules in the support area (where the center of gravity of the vehicle falls) to ensure Anti-tipping safety; it can only judge whether there is a danger of tipping at the current moment, but cannot judge how to operate the slewing action to avoid the danger, has no ability to predict the safety of the operation, and the control lags behind, which limits the flexibility of controlling the slewing operation , low security control capability

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