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1. 发明授权

US10808364B2 Onsite steel rail laser processing engineering vehicle 有权
公开(公告)号：US10808364B2
公开(公告)日：2020-10-20
申请号：US16092676
申请日：2018-01-24
申请人： WUHAN NRD LASER ENGINEERING CO., LTD. , HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Xiaoyan Zeng , Qianwu Hu , Pinghua Guo , Xiaoming Xu , Ming Jiang , Dengzhi Wang , Chongyang Li , Li Meng
IPC分类号： B23K26/06 , E01B31/18 , B60F1/00 , C21D9/04 , C21D1/09 , B61D15/00 , B23K26/08
摘要： An onsite steel rail laser processing engineering vehicle, including a laser processing power engineering vehicle and a laser processing cart, the laser processing power engineering vehicle is connected to the laser processing cart; the onsite steel rail laser processing engineering vehicle further comprises a transport mechanism disposed on the laser processing power engineering vehicle; through movement and rotation, the transport mechanism transports the laser processing cart into the laser processing power engineering vehicle or transports the laser processing cart out from the laser processing power engineering vehicle and places it on rails.

2. 发明授权

US10106864B2 Method and apparatus for laser quenching 有权
公开(公告)号：US10106864B2
公开(公告)日：2018-10-23
申请号：US14765516
申请日：2013-11-07
申请人： WUHAN NRD LASER ENGINEERING CO., LTD , HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Xiaoyan Zeng , Qianwu Hu , Yinlan Zheng , Ming Jiang , Chongyang Li , Zhao Ren , Kun Li
IPC分类号： C21D1/09 , C21D1/70
摘要： Provided are a method and an apparatus for laser quenching. The method utilizes a scanning galvanometer, and involves laser quenching via irradiation with intermittent, repeated scans, rather than a single scan as in the prior art. The method results in increased laser energy absorbed by the metal base and improved depth of thermal conduction, while avoiding melting at the metal surface, thus providing a significantly improved laser quenching process. The apparatus can include a laser, a control system, a light guiding system, a mechanical motion device and a galvanometer.

3. 发明申请

US20150020707A1 ONSITE STEEL RAIL LASER PROCESSING VEHICLE 有权
标题翻译： ONSITE钢铁激光加工车
公开(公告)号：US20150020707A1
公开(公告)日：2015-01-22
申请号：US14375970
申请日：2013-06-13
申请人： Wuhan NRD Laser Engineering Co., Ltd. , HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Xiaoyan Zeng , Qianwu Hu , Chongyang Li , Yinlan Zheng , Min Du
IPC分类号： E01B31/18 , B61D15/00 , B60F1/00
CPC分类号： E01B31/18 , B60F1/00 , B60F1/04 , B60F2301/02 , B60F2301/10 , B61D15/00 , B61K9/08
摘要： The invention discloses an on-line laser processing vehicle for a rail, including a chassis, a vehicle body, a steer-control chamber and a container; the steer-control chamber includes a console, a CCD monitoring system and a drive-switching operating system; a dual driving system and switching mechanism, which with a process-operation driving system, a conventional operation driving system and a switching mechanism, is disposed in the container; the process-operation driving system operates to provide driving power for the laser processing vehicle during laser processing, and precisely controls moving speed and distance of the laser processing vehicle; the switching mechanism operates to implement switching between the conventional operation driving system and the process-operation driving system. The invention ensures accurate processing trajectories of the laser processing vehicle during laser processing; facilitates on-line laser processing of a variety of rails, such as the rails of main line, curved rails, guard rails, switch rails and so on, so that wear resistance of the processed rail is greatly improved, and meets requirements of high-speed and heavy haul trains for wear resistance of the rail.
摘要翻译：本发明公开了一种用于轨道的在线激光加工车辆，包括底盘，车身，转向控制室和容器; 转向控制室包括控制台，CCD监控系统和驱动切换操作系统; 具有处理操作驱动系统，常规操作驱动系统和切换机构的双驱动系统和切换机构设置在容器中; 该处理操作驱动系统在激光加工期间为激光加工车辆提供驱动力，并精确控制激光加工车辆的移动速度和距离; 切换机构操作以实现常规操作驱动系统和处理操作驱动系统之间的切换。本发明确保激光加工车辆在激光加工过程中精确的加工轨迹; 便于在线激光加工各种导轨，如主线，弯道，护栏，开关导轨等轨道，从而大大提高了加工轨道的耐磨性，高速和重载铁路的耐磨性。

4. 发明授权

US09365983B2 Onsite steel rail laser processing vehicle 有权
标题翻译：现场钢轨激光加工车
公开(公告)号：US09365983B2
公开(公告)日：2016-06-14
申请号：US14375970
申请日：2013-06-13
申请人： Wuhan NRD Laser Engineering Co., Ltd , HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Xiaoyan Zeng , Qianwu Hu , Chongyang Li , Yinlan Zheng , Min Du
IPC分类号： B60F1/00 , E01B31/18 , B61D15/00 , B61K9/08 , B60F1/04
CPC分类号： E01B31/18 , B60F1/00 , B60F1/04 , B60F2301/02 , B60F2301/10 , B61D15/00 , B61K9/08
摘要： The invention discloses an on-line laser processing vehicle for a rail, including a chassis, a vehicle body, a steer-control chamber and a container; the steer-control chamber includes a console, a CCD monitoring system and a drive-switching operating system; a dual driving system and switching mechanism, which with a process-operation driving system, a conventional operation driving system and a switching mechanism, is disposed in the container; the process-operation driving system operates to provide driving power for the laser processing vehicle during laser processing, and precisely controls moving speed and distance of the laser processing vehicle; the switching mechanism operates to implement switching between the conventional operation driving system and the process-operation driving system. The invention ensures accurate processing trajectories of the laser processing vehicle during laser processing; facilitates on-line laser processing of a variety of rails, such as the rails of main line, curved rails, guard rails, switch rails and so on, so that wear resistance of the processed rail is greatly improved, and meets requirements of high-speed and heavy haul trains for wear resistance of the rail.
摘要翻译：本发明公开了一种用于轨道的在线激光加工车辆，包括底盘，车身，转向控制室和容器; 转向控制室包括控制台，CCD监控系统和驱动切换操作系统; 具有处理操作驱动系统，常规操作驱动系统和切换机构的双驱动系统和切换机构设置在容器中; 该处理操作驱动系统在激光加工期间为激光加工车辆提供驱动力，并精确控制激光加工车辆的移动速度和距离; 切换机构操作以实现常规操作驱动系统和处理操作驱动系统之间的切换。本发明确保激光加工车辆在激光加工过程中精确的加工轨迹; 便于在线激光加工各种导轨，如主线，弯道，护栏，开关导轨等轨道，从而大大提高了加工轨道的耐磨性，高速和重载铁路的耐磨性。

5. 发明申请

US20160076115A1 METHOD AND APPARATUS FOR LASER QUENCHING 审中-公开
标题翻译：激光淬火的方法和装置
公开(公告)号：US20160076115A1
公开(公告)日：2016-03-17
申请号：US14765516
申请日：2013-11-07
申请人： WUHAN NRD LASER ENGINEERING CO., LTD. , HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Xiaoyan ZENG , Qianwu HU , Yinlan ZHENG , Ming JIANG , Chongyang LI , Zhao REN , Kun LI
IPC分类号： C21D1/09 , C21D1/70
CPC分类号： C21D1/09 , C21D1/70
摘要： Provided are a method and an apparatus for laser quenching. The method takes the advantage of a high jumping speed of a scanning galvanometer, and adopts the method of heating on multiple or even high frequency repeated scans instead of on a single scan in prior art for laser quenching, wherein the laser energy is fed into the surface of a workpiece by way of short time and multiple superimposed heating, cumulatively, the laser energy absorbed by the metal base is increased and the depth of thermal conduction is improved also. The apparatus includes a laser, a control system, a light guiding system, a mechanical motion device and a scanning galvanometer. Therefore, even though the used laser power is relative high, the surface temperature of a metal object can be always restricted below its melting point and the heat can be conducted from the surface to the internal of a workpiece by thermal conduction constantly and effectively as a result of high scanning speed and the introduce of time interval at scanning, so that melting in the metal surface can be avoided, and the depth of the austenitizing region in the surface of the workpiece and the productivity of laser quenching can be significantly improved.
摘要翻译：提供了一种用于激光淬火的方法和装置。该方法具有扫描电流计的高跳跃速度的优点，并且采用在多次或甚至高频重复扫描中加热的方法，而不是现有技术中用于激光淬火的单次扫描，其中激光能量被馈送到工件的表面通过短时间和多次重叠加热，累积地增加了金属基底吸收的激光能量，并提高了热传导深度。该装置包括激光器，控制系统，导光系统，机械运动装置和扫描电流计。因此，尽管使用的激光功率相对较高，但是金属物体的表面温度可以始终受到熔点以下的限制，并且热量可以通过热传导而从工件的表面到内部不断地有效地传导扫描速度高，扫描时间间隔的引入，能够避免金属表面的熔融，可以显着提高工件表面的奥氏体化深度和激光淬火的生产率。

6. 发明申请

US20190161918A1 ONSITE STEEL RAIL LASER PROCESSING ENGINEERING VEHICLE 审中-公开
公开(公告)号：US20190161918A1
公开(公告)日：2019-05-30
申请号：US16092676
申请日：2018-01-24
申请人： WUHAN NRD LASER ENGINEERING CO., LTD. , HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
发明人： Xiaoyan ZENG , Qianwu HU , Pinghua GUO , Xiaoming XU , Ming JIANG , Dengzhi WANG , Chongyang LI , Li MENG
IPC分类号： E01B31/18 , B60F1/00 , B61D15/00 , C21D1/09 , C21D9/04
摘要： An onsite steel rail laser processing engineering vehicle, including a laser processing power engineering vehicle and a laser processing cart, the laser processing power engineering vehicle is connected to the laser processing cart; the onsite steel rail laser processing engineering vehicle further comprises a transport mechanism disposed on the laser processing power engineering vehicle; through movement and rotation, the transport mechanism transports the laser processing cart into the laser processing power engineering vehicle or transports the laser processing cart out from the laser processing power engineering vehicle and places it on rails.

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