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首页> 外文期刊>Engineering in Miniature >The Design of a Modern Electric Locomotive in 5″ Gauge
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The Design of a Modern Electric Locomotive in 5″ Gauge

机译：5″仪表的现代电力机车设计

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With the control electronics working and with the motors turning the wheels the first test run was in sight. To complete the bogie assemblies all that remained to sort out was the suspension. Looking back at the pictures of Hymek D7017 shows that the suspension girders support two coil springs, one near each wheel, with some kind of leaf spring arrangement in the centre. As the pictures were for inspiration only the intention was never to copy a Hymek, or anything else, so I decided upon using four coil springs each side of the bogie supported by each suspension hanging girder, with two springs close to each wheel. This, I reasoned, allowed greater flexibility in tweaking the springs for the best ride as half or all of the springs could be changed to adjust the ride height. As for the leaf spring I wasn't too sure of the purpose of this but I had thought ahead about the reality of any club track which would probably look a bit uneven if scaled up to full size. One place on our club track had become notorious, known to some as "dead man's curve". If anyone was going to have trouble that's the place it will be. That said, not many locomotives suffer any problem at all but the Polly has bounced off the track a few times here as have some other locomotives. I have an unprovable theory that the problem could be due to changes in camber and with this in mind I decided to include some extra springing to allow the two bogies to tilt to accommodate a little opposing camber. This might have been what the leaf springs on the Hymek were about and in this design the bogie mounts have a pair of additional springs between the bogie and frame mounting. These are not visible on the assembled model.
机译：随着控制电子装置的工作以及电动机使车轮转动，即将进行首次试运行。为了完成转向架的组装，剩下的就是悬架了。回顾Hymek D7017的图片，可以看到悬架梁支撑着两个螺旋弹簧，每个车轮附近一个，中间有某种板簧布置。由于图片只是为了激发灵感，目的绝不是复制Hymek或其他任何东西，因此我决定在转向架的每一侧都使用四个螺旋弹簧，每个悬挂吊梁支撑着转向架，每个车轮附近有两个弹簧。我认为，由于可以调整一半或全部弹簧来调整滑行高度，因此在调整弹簧以获得最佳骑行时可以提供更大的灵活性。至于板簧，我不太确定这样做的目的，但我已经提前考虑过任何俱乐部赛道的实际情况，如果按比例放大到全尺寸，可能看起来有些不平衡。在我们的俱乐部赛道上，有一个地方臭名昭著，有人称其为“死人曲线”。如果有人遇到麻烦，那将是那里。也就是说，没有多少机车会遭受任何问题，但是波利和其他一些机车在这里已经反弹了几次。我有一个无法证明的理论，问题可能是由于外倾角的变化而引起的，考虑到这一点，我决定增加一些弹力，以使两个转向架倾斜以容纳一个相对的外倾角。这可能就是Hymek上的板簧所要解决的问题，在这种设计中，转向架安装架在转向架和机架安装架之间有一对额外的弹簧。这些在组装的模型上不可见。

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