| DQ_(45)型钳夹式货车端盖方式运输1000MW发电机定子试验研究 |
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| 引用本文： | 丁勇,曲金娟,王新锐,张树鹏,洪玉辉.DQ_(45)型钳夹式货车端盖方式运输1000MW发电机定子试验研究[J].中国铁道科学,2011,32(4). |
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| 作者姓名： | 丁勇 曲金娟 王新锐 张树鹏 洪玉辉 |
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| 作者单位： | 中国铁道科学研究院机车车辆研究所,北京,100081 |
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| 摘 要： | 为了保证DQ45型钳夹式货车端盖方式运输1000 MW发电机定子的安全,对端盖及连接端盖与定子的螺栓、拉杆进行强度试验研究。根据DQ45型钳夹式货车的技术参数、端盖的结构特点和材料性能,设计试验流程和试验方法。试验研究结果表明:螺栓的平均预紧力为375.9 kN,平均预紧应力为419.5 MPa,确定以(3 400±100)N.m力矩预紧,合车后最大应力增量为53.7 MPa,运输中最大合成应力为480.6 MPa;拉杆的最大预紧力为2 825 kN,最大预紧应力为301.3 MPa,确定以2 815~2 825 kN预紧力预紧,合车后最大合成应力为363.8 MPa,运输中最大合成应力为376.5 MPa;耳板R150圆弧大应力区,合车后最大应力为212.0 MPa,运输中最大合成应力为268.1 MPa;耳孔附近应力区,合车后最大应力为121.7 MPa,运输中最大合成应力为181.2 MPa。端盖各主要部件合成应力均在相应材料许用应力范围之内,满足运输安全的要求。
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| 关 键 词： | DQ45型钳夹车 端盖 螺栓 拉杆 强度考核 试验研究 |
Test Research on the Transport of 1000 MW Generator Stator by DQ_(45) Schnabel Car with End Shield Mode |
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| DING Yong,QU Jinjuan,WANG Xinrui,ZHANG Shupeng,HONG Yuhui.Test Research on the Transport of 1000 MW Generator Stator by DQ_(45) Schnabel Car with End Shield Mode[J].China Railway Science,2011,32(4). |
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| Authors: | DING Yong QU Jinjuan WANG Xinrui ZHANG Shupeng HONG Yuhui |
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| Institution: | DING Yong,QU Jinjuan,WANG Xinrui,ZHANG Shupeng,HONG Yuhui(Locomotive and Car Research Institute,China Academy of Railway Sciences,Beijing 100081,China) |
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| Abstract: | In order to ensure the safety for the transport of 1 000 MW generator stator by DQ45 schnabel car with end shield mode,the strength test was conducted on the end shield,the bolt connecting the end shield and the stator,and the pull rod.According to the technical parameters of DQ45 schnabel car,the structural characteristics and material properties of the end shield,the author puts forward the test process and test method.The test results indicate: for bolt,the average pre-tightening force is 375.9 kN and th... |
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| Keywords: | DQ45 schnabel car End shield Bolt Pull rod Strength assessment Test research |
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