Calibration method, calibration device and calibration system for excavator sensor: Fid-Bau Portal

Calibration method, calibration device and calibration system for excavator sensor

JIANG LEI / LEI BAOJUN

The invention relates to the technical field of excavators, in particular to a calibration method, a calibration device and a calibration system for an excavator sensor. The calibration method of theexcavator sensor comprises the steps that an excavator is parked on the horizontal ground, and a horizontal line parallel to the horizontal ground is made from the hinge point of a movable arm of theexcavator and a platform; and the hinge point of the movable arm and a bucket rod of the excavator are controlled to be on the horizontal line according to the horizontal line. According to the scheme, the movable arm angle sensor is calibrated independently, operation is easy and convenient, errors are small, influences of oil cylinder errors, size machining errors of multiple structural components, assembly errors and the like are avoided, the calibration precision of the sensor is improved, and control over the sensor is more accurate.

本发明涉及挖掘机技术领域，具体涉及一种挖掘机传感器的标定方法、标定装置及标定系统。本发明的挖掘机传感器的标定方法包括将挖掘机停放在水平地面上，从挖掘机的动臂与平台的绞点处做一条与水平地面平行的水平线；根据该水平线控制挖掘机的动臂与斗杆的绞点处于水平线上。本方案中，通过对动臂角度传感器单独进行标定，操作简单方便，误差小，不受如油缸误差、很多结构部件尺寸加工误差、装配误差等的影响，提高传感器的标定精度，使其控制更加精准。

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