Method and device for judging the stability of slewing operation and construction machinery

Abstract

The present invention relates to the field of construction machinery, and discloses a method and device for judging the stability of a rotary operation and construction machinery. The rotation angle of the turntable of the machine or the first center of gravity of the construction machine; determine the support area formed by the connection of the positions of the legs of the construction machine; divide the support area into a first stability judgment area and a second stability judgment area, wherein the first stability judgment area is an area that enhances the stability of the construction machine when the turntable is controlled to rotate counterclockwise and decreases the stability of the construction machine when the turntable is controlled to rotate clockwise, the The second stability judgment area is an area that enhances the stability of the construction machine when the turntable is controlled to rotate clockwise and reduces the stability of the construction machine when the turntable is controlled to rotate counterclockwise; and based on the stability of the rotation operation The judging parameter and the first stability judging area and the second stability judging area are used to judge and control the stability of the turning operation performed by the turntable. Thereby, the stability of judging and controlling the turning operation performed by the turntable is realized.

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

Images