The invention discloses a positioning control method for a large-capacity portal crane, and belongs to the technical field of cranes. The positioning control method is characterized by comprising the following steps that a, two parallel rails are mounted below a rigid door leg on one side of the portal crane, and three wheels are mounted on the rigid door leg; b, position sensors are arranged on a walking trolley and the rails, and a PLC calculates and analyzes data; c, detection stress sensors are mounted on a main beam, the door leg, an end beam and a lower cross beam of a portal, analog simulation is conducted on the portal, data obtained through simulation analysis and data on the stress sensors are checked, and deformation data of the portal are obtained through interpolation calculation; and d, the PLC comprehensively calculates and analyzes the data, and the running state of the portal crane is obtained. According to the positioning control method, the deformation data of the portal crane can be obtained, all points of the portal crane are accurately positioned, the whole control process is simple, adaptability is good, and control precision is high.
本发明公开了一种大容量门式起重机定位控制方法,属于起重机技术领域,其特征在于,包括以下步骤:a、在门式起重机的一侧刚性门腿下方安装两根并列的轨道,在刚性门腿上安装三个轮子;b、在行走台车和轨道上设置位置传感器,PLC控制器对数据进行计算分析;c、在门架的主梁、门腿、端梁和下横梁上安装检测应力传感器,对门架进行模拟仿真,通过仿真分析得出的数据与应力传感器上的数据进行校核,采用插值计算得出门架的变形数据;d、通过PLC控制器对数据进行综合计算分析,得出门式起重机的运行状态。本发明能够获取门式起重机的门架变形数据,实现门式起重机各个点的精准定位,整个控制过程简单,适应性好,控制精度高。
Positioning control method for large-capacity portal crane
一种大容量门式起重机定位控制方法
2021-04-06
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
Movable positioning structure of shipbuilding portal crane
European Patent Office | 2023
|Large portal crane track foundation for nuclear facility construction and portal crane
European Patent Office | 2023
|