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Functional performance of self-loading wagon compared to metered chopper for forage harvest

机译：自加载货车的功能性能与计量斩波器进行牧羊鱼收获

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A comparison was made between five self-loading wagons (SLW) of size 31-42 m~3 and a metered chopper (MC) in terms of their relative functional performance. In second cut in 2005, mown grass was windrowed from a width of 8.5 m just before harvesting. The dry matter content was 173-194 g kg~(-1). The SLWs made significantly, three times, longer chop than MC. The mean chop length for the SLWs was 90 and for the MC 31 mm. The self-loading wagons had different knife distances, between 34 and 45 mm, but no significant difference in chop length. The highest load densities, 350-399 kg m~(-3), were reached with the MC and the Strautmann, Pottinger and Krone SLWs; there were no significant differences among these. The fuel consumption of SLWs showed a relatively strong dependence of average loading rate (t/min). The mean fuel consumption was 0.24 l ton~(-1) for the SLWs and 0.31 l ton~(-1) for the MC. The value for the MC does not include fuel needed for towing the wagon, because the wagon was towed with another tractor at the side of the MC. The energy consumption for the cutting was 0.57 kWh ton~(-1) for the SLWs and 0.94 kWh ton-1 in the MC. The MC used 68% more energy for the cutting than SLWs in absolute numbers. On the other hand, the MC was more energy efficient than the SLWs in relation to the amount of cutting work. Pilot trials with SLW indicated that increased driving speed can reduce chop length, and that dryer grass can reduce fuel consumption. With wet forages there were differences in how the machines filled the loading space. Pilot trials with dryer forages indicated smaller differences in this respect.
机译：在其相对功能性能方面，在31-42M〜3的五个自动载体（SLW）和计量斩波器（MC）之间进行了比较。在2005年的第二次裁剪中，割草草在收获前沿着8.5米的宽度摆动。干物质含量为173-194g kg〜（-1）。 SLWS显着，三次，比MC更长。 SLWS的平均斩波长度为90和MC 31mm。自装车车辆具有不同的刀距离，在34到45毫米之间，但斩波长度没有显着差异。最高负载密度，350-399千克M〜（3）与MC和Strautmann，Pottinger和Krone SLWS达到;这些之间没有显着差异。 SLW的燃料消耗显示出平均加载速率（T / min）的相对强烈依赖性。平均燃料消耗为SLW的0.24 L吨〜（-1），为MC为0.31L吨〜（-1）。 MC的价值不包括牵引车所需的燃料，因为马车在MC侧面用另一个拖拉机牵引。切割的能量消耗为SLW的0.57千瓦瓦吨〜（-1），在MC中为0.94千瓦时-1。 MC使用68％的能量为切割而不是绝对数字的SLW。另一方面，MC比有关切割工作量的SLW更节能。使用SLW的试验试验表明，提高的驾驶速度可以减少斩波长度，并且烘干机草可以降低燃料消耗。湿法缺损有机器如何填充装载空间存在差异。具有烘干机饲料的试验试验表明这方面的差异较小。

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