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Excavator weighing method and system
The invention relates to the field of engineering machinery, and discloses an excavator weighing method and system, and the method comprises the steps of obtaining detection parameters which comprise a bucket rod inclination angle, the thrust of a bucket oil cylinder, and a connecting rod inclination angle; on the basis of the stress balance principle, according to the detection parameters and the triangular geometric parameters of all the parts, performing stress analysis on a third hinge point formed at the hinge joint of the first connecting rod and the output end of the bucket oil cylinder, and obtaining the acting force of the first connecting rod acting on the third hinge point through calculation; on the basis of the moment balance principle, according to the acting force, the mass of the bucket, the triangular geometric parameters of all the components, the detection parameters and the position parameters of the calibration mass center of the materials in the bucket, performing stress analysis on a first hinge point formed at the hinge position of the bucket rod and the bucket, and obtaining the mass of the materials in the bucket through calculation. According to the invention, the mass of the material can be simply and accurately obtained through calculation based on the triangular geometric parameters of each component only by detecting the inclination angle of the bucket rod, the inclination angle of the connecting rod and the thrust of the bucket oil cylinder.
本发明涉及工程机械领域,公开了一种挖掘机称重方法及其系统,包括获取检测参数,检测参数包括斗杆倾斜角、铲斗油缸的推力、连杆倾斜角;基于受力平衡原理,根据检测参数及各部件的三角几何参数,对第一连杆与铲斗油缸的输出端铰接连接处形成的第三铰接点受力分析,以计算获得第一连杆作用于第三铰接点的作用力;基于力矩平衡原理,根据上述作用力、铲斗的质量、各部件的三角几何参数、检测参数及铲斗中物料的标定质心的位置参数,对斗杆与铲斗铰接处形成的第一铰接点受力分析,以计算获得铲斗中物料的质量。本发明仅仅只需检测斗杆倾斜角、连杆倾斜角及铲斗油缸的推力,便可基于各部件的三角几何参数通过计算,简单、精确的获得物料的质量。
Excavator weighing method and system
The invention relates to the field of engineering machinery, and discloses an excavator weighing method and system, and the method comprises the steps of obtaining detection parameters which comprise a bucket rod inclination angle, the thrust of a bucket oil cylinder, and a connecting rod inclination angle; on the basis of the stress balance principle, according to the detection parameters and the triangular geometric parameters of all the parts, performing stress analysis on a third hinge point formed at the hinge joint of the first connecting rod and the output end of the bucket oil cylinder, and obtaining the acting force of the first connecting rod acting on the third hinge point through calculation; on the basis of the moment balance principle, according to the acting force, the mass of the bucket, the triangular geometric parameters of all the components, the detection parameters and the position parameters of the calibration mass center of the materials in the bucket, performing stress analysis on a first hinge point formed at the hinge position of the bucket rod and the bucket, and obtaining the mass of the materials in the bucket through calculation. According to the invention, the mass of the material can be simply and accurately obtained through calculation based on the triangular geometric parameters of each component only by detecting the inclination angle of the bucket rod, the inclination angle of the connecting rod and the thrust of the bucket oil cylinder.
本发明涉及工程机械领域,公开了一种挖掘机称重方法及其系统,包括获取检测参数,检测参数包括斗杆倾斜角、铲斗油缸的推力、连杆倾斜角;基于受力平衡原理,根据检测参数及各部件的三角几何参数,对第一连杆与铲斗油缸的输出端铰接连接处形成的第三铰接点受力分析,以计算获得第一连杆作用于第三铰接点的作用力;基于力矩平衡原理,根据上述作用力、铲斗的质量、各部件的三角几何参数、检测参数及铲斗中物料的标定质心的位置参数,对斗杆与铲斗铰接处形成的第一铰接点受力分析,以计算获得铲斗中物料的质量。本发明仅仅只需检测斗杆倾斜角、连杆倾斜角及铲斗油缸的推力,便可基于各部件的三角几何参数通过计算,简单、精确的获得物料的质量。
Excavator weighing method and system
一种挖掘机称重方法及其系统
ZHAO JINGUANG (Autor:in) / LI XINTONG (Autor:in) / ZHANG XITIAN (Autor:in) / QIAO ZHIGANG (Autor:in) / DONG ZHAOSHENG (Autor:in)
22.06.2021
Patent
Elektronische Ressource
Chinesisch
AUTOMATIC WEIGHING CALIBRATION METHOD, SYSTEM AND EXCAVATOR
Europäisches Patentamt | 2023
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