A measuring device and method for measuring the wear of a coiling machine core shaft, which belongs to the technical field of the maintenance equipment and method of the coiling machine core shaft of the hot rolled strip, is used to measure the wear of the coiling core shaft. Its technical scheme is to trap the measurement on the core axis, according to the diameter of the inner diameter of the measuring ring, the maximum shrinkage of the core axis and the corresponding hydraulic cylinder stroke, which is compared with the theoretical stroke, by comparing the actual stroke of the hydraulic cylinder with the theoretical stroke, according to the inner diameter of the measuring ring. The difference between the actual diameter of the mandrel and the size of the measuring ring is calculated. The difference is the actual wear amount of the mandrel diameter. The structure of the measuring ring is simple, the measuring method is quick, simple, easy to operate, the precision of the measuring value is high, the wear quantity of the core shaft can be judged accurately, the preset precision of the roll gap is improved, and the whole life cycle management and state monitoring of the equipment can be easily reduced, and the downgrade and scrap steel, such as the loose roll and the tower type caused by the inaccuracy of the roll gap, can be effectively reduced. Avoid the phenomenon of maintenance and maintenance.
【技术实现步骤摘要】
一种卷取机芯轴磨损测量装置及方法
本专利技术涉及一种适用于板带轧机卷取机芯轴磨损测量装置及测量方法,属于热轧板带卷取机芯轴维修设备及方法
技术介绍
在热轧板带轧机轧制过程中,卷取机用于成品卷的卷取,并在带钢卷取过程中提供及控制带钢张力,卷取机中芯轴至关重要。卷取机芯轴精度控制的水平决定了在生产过程中出现钢卷心部反松、松卷等质量缺陷的产生。目前正在使用的热轧板带生产线卷筒多为四棱锥链板式结构,由四块扇形板、卷筒轴及连杆等部件组成,分为三级涨缩,通过旋转液压缸实现驱动。在生产中合理设定的辊缝值是获得良好板型及不松卷的前提条件,因此在带钢头部到达相应的助卷辊之前(由跟踪计算),通过助卷辊提前计算好辊缝高度。计算方法如下:辊缝高度=芯轴实际位置+带钢厚度+间隙值(厚度因数)这就要求芯轴涨缩值(即实际位置)必须保证准确,才能通过程序运算合理控制辊缝值。由此可见芯轴间隙测量的准确性,即扇形瓦与卷筒轴间隙对芯轴实际位置计算起着非常重要的作用。目前对于芯轴磨损量测量一直没有合适的方法,各钢铁企业多采用周期更换的方法,正常设定的更换周期为生产70万-100万吨钢,芯轴下线 ...
【技术保护点】
一种卷取机芯轴磨损测量装置,其特征在于:它包括两个相同的测量圈(1),测量圈(1)为有一定宽度的扁平金属圆环,测量圈(1)的内径小于芯轴(2)最大的胀开直径。
【技术特征摘要】
1.一种卷取机芯轴磨损测量装置,其特征在于:它包括两个相同的测量圈(1),测量圈(1)为有一定宽度的扁平金属圆环,测量圈(1)的内径小于芯轴(2)最大的胀开直径。2.一种使用上述测量装置的卷取机芯轴磨损测量方法,其特征在于:它采用以下步骤进行:a.将测量圈(1)置于卸卷小车上方,将卸卷小车点动上升至测量圈(1)能够套到芯轴(2)上为止,将两个测量圈(1)套装在芯轴(2)上,两个测量圈(1)分别位于芯轴(2)中心两侧;b.通过液压装置对芯轴(2)进行全胀操作,使芯轴外周表面与测量圈内壁紧密接触,记录液压...
【专利技术属性】
技术研发人员:张振全,李向前,冯志权,卢新安,董增伟,李云飞,
申请(专利权)人:河钢股份有限公司承德分公司,
类型:发明
国别省市:河北,13
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