The embodiment of the invention provides a detection device for a tower crane and the tower crane. The detection device for the tower crane comprises a guide light source; an image acquisition device; and a controller configured to: acquire an image acquired by the image acquisition device, the image including an image of the guide light source; acquiring the length of a lifting rope of the tower crane, the position information of the joint of the lifting rope and the variable-amplitude trolley, the position information of image acquisition equipment and the focal length of the image acquisition equipment; determining the pixel coordinate of the geometric center of a light spot formed by the guide light source in the image, the length of a pixel point and the width of the pixel point; and determining the deflection angle of the lifting hook according to the length of the lifting rope, the position information of the joint, the position information of the image acquisition equipment, the focal length, the pixel coordinate, the length of the pixel point and the width of the pixel point. According to the embodiment of the invention, the deflection angle of the lifting hook can be simply and conveniently calculated, the application scene is wide, the reliability is high, the anti-interference performance is strong, and the practicability is strong.
本发明实施例提供一种用于塔式起重机的检测装置和塔式起重机,用于塔式起重机的检测装置包括:引导光源;图像采集设备;以及控制器,被配置成:获取图像采集设备采集的图像,其中图像包含引导光源的图像;获取塔式起重机的吊绳的长度、吊绳与变幅小车的连接处的位置信息、图像采集设备的位置信息和图像采集设备的焦距;确定图像中引导光源所形成的光斑的几何中心的像素坐标、像素点的长度和像素点的宽度;以及根据吊绳的长度、连接处的位置信息、图像采集设备的位置信息、焦距、像素坐标、像素点的长度和像素点的宽度确定吊钩的偏转角度。本发明实施例可简便的计算出吊钩的偏转角度,应用场景广泛,可靠性高,抗干扰性强,实用性强。
Detection device for tower crane and tower crane
用于塔式起重机的检测装置和塔式起重机
2022-04-19
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
Detection method, processor and device for tower crane and tower crane
Europäisches Patentamt | 2023
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