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首页> 外文会议>ASME(American Society of Mechanical Engineers)//IEEE（Institute of Electrical and Electronics Engineers）Joint Rail Conference; ASME(American Society of Mechanical Engineers) Internal Combustion Engine Division Spring Technical Conference; 20070313-16; 2 >FINDINGS FROM WAYSIDE MEASUREMENTS OF STEERED AND UNSTEERED FREIGHT CAR TRUCKS IN COAL SERVICE
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FINDINGS FROM WAYSIDE MEASUREMENTS OF STEERED AND UNSTEERED FREIGHT CAR TRUCKS IN COAL SERVICE

机译：运煤车中非转向和非转向货运卡车的路测结果

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摘要

Prototype versions of the RESCO Steered Frame Truck were operated through a section of revenue track at Loudon, 77V, which has been outfitted as a wayside measurement site. The site contains several different measurement stations, which record lateral forces, angles-of-attack, etc. The site routinely measures revenue trains passing along that section of track. A test car, fully loaded to 286,000 lbs and fitted with the steered trucks, was operated through the test site a substantial number of times. The results from this testing were compared with data from standard 3-piece trucks and also from premium M-976 trucks, both in revenue service trains, from the same test site. It was found that neither the premium trucks, nor the standard 3-piece trucks, showed any significant steering through the ～5° curves at the test site. The premium trucks did show a tendency to be more 'square' in the curves, although there were still substantial numbers that showed significant 'warping' behaviour. By comparison, the steered trucks showed virtually perfect steering and alignment behaviour. This was impressive in itself but was more so when it was found, after the test was concluded, that an interference between the truck and a bracket on the car body had prevented full rotation of the steered truck throughout these tests.
机译：RESCO转向架卡车的原型版本是通过位于77V的Loudon的一部分收入跟踪路线进行操作的，该地点已被装备为路边测量站点。该站点包含几个不同的测量站点，这些站点记录了横向力，攻角等。该站点例行地测量通过该路段的收入列车。满载286,000磅并装有转向卡车的测试车在测试现场进行了很多次操作。将测试结果与来自同一测试地点的标准三件式卡车以及高级M-976卡车的数据进行比较，这两种数据均来自收入服务列车。结果发现，在试验现场，无论是高档卡车还是标准的三件式卡车，在〜5°曲线上都没有表现出明显的转向。高端卡车的确表现出曲线上更“方形”的趋势，尽管仍有大量数字显示出明显的“翘曲”行为。相比之下，转向卡车表现出几乎完美的转向和对准性能。这本身就令人印象深刻，但在测试结束后发现卡车和车体支架之间的干涉阻止了转向卡车在所有这些测试中的完全旋转时，情况尤其如此。

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