在线电网铁塔激光切割装置设计
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摘要
随着电力系统的不断发展,电力规模逐渐扩大,电网建设步伐也在加快。在电网铁塔建设中,所用角钢留有预置孔,但经常会发生错位现象,螺栓无法穿过,需将预置孔扩大,以便连接螺栓穿过,目前无有效方法来给预置孔扩孔。鉴于此,基于机器视觉技术,设计一种采用激光切割技术的空中在线自动切割打孔装置,实现高效切割,保障电网铁塔的建设进度。
With the continuous development of the power system, the scale of power is gradually expanding,and the pace of power grid construction is also accelerating. In the construction of grid tower,the angle steel used has preset holes,but the misalignment often occurs,leading to failure for the bolts to pass through. To solve the problem,the preset holes need to be enlarged,but currently there is no effective way for reaming the preset holes. In view of this,based on machine vision technology,an online automatic cutting and punching device using laser cutting means is designed to achieve efficient cutting and ensure the construction progress of grid tower.
With the continuous development of the power system, the scale of power is gradually expanding,and the pace of power grid construction is also accelerating. In the construction of grid tower,the angle steel used has preset holes,but the misalignment often occurs,leading to failure for the bolts to pass through. To solve the problem,the preset holes need to be enlarged,but currently there is no effective way for reaming the preset holes. In view of this,based on machine vision technology,an online automatic cutting and punching device using laser cutting means is designed to achieve efficient cutting and ensure the construction progress of grid tower.
引文
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[2]王远,齐兴斌,刘汉生.河网泥沼地区输电线路全过程机械化设计和施工研究[J].湖北电力,2016,40(08):21-26.WANG Yuan,QI Xingbin,LIU Hansheng.Design and con-··59struction research of the whole process mechanization in transmission line in river network and quagmire area[J].Hubei Electric Power,2016,40(08):21-26.
[3]程利军,刘宪敏.人字辅助抱杆配合中心悬浮主抱杆吊装1 000 kV酒杯塔横担施工技术的研究[J].湖北电力,2016,40(07):29-33.CHENG Lijun,LIU Xianmin.Research on the cross arm hoisting technology of a 1 000 kV cup-type tower using a suspended main gin pole coupled with a herringbone pole[J].Hubei Electric Power,2016,40(07):29-33.
[4]冯志强,胡丹晖,姚尧,等.采用北斗精确定位技术监测输电线路杆塔基础位移[J].湖北电力,2017,41(11):15-19.FENG Zhiqiang,HU Danhui,YAO Yao,et al.Monitor displacement of tower base of transmission lines by beidou precise positioning technology[J].Hubei Electric Power,2017,41(11):15-19.
[5]欧长劲,秦才宝,姜献峰,等.非垂直激光切割能量分布研究[J].激光与光电子学进展,2017,54(04):246-253.OU Changjin,QIN Caibao,JIANG Xianfeng,et al.Study on energy distribution of non-vertical laser cutting[J].Laser and Optoelectronics Progress,2017,54(04):246-253.
[6]张博,齐蓉,林辉.激光切割永磁直线伺服系统的反演滑模控制[J].电工技术学报,2018,33(03):642-651.ZAHNG Bo,QI Rong,LIN Hui.Back-stepping sliding mode control of laser cutting permanent magnet linear servo control system[J].Transactions of China Electrotechnical Society,2018,33(03):642-651.
[7]任永强,杜瑞,李军.基于机器视觉的差速器卡簧装配防错检测研究[J].制造技术与机床,2018(01):30-34.REN Yongqiang,DU Rui,LI Jun.Differential snap ring assembly error proofing detection research based on machine vision[J].Manufacturing Technology and Machine Tool,2018(01):30-34.
[8]Cubero S,Blasco J,Molto E,et al.Advances in machine vision applications for automatic inspection and quality evaluation of fruits and vegetables[J].Food and Bioprocess Technology,2011,4(4):487-504.