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<h1 class="h1">柴油发电机I号喷油泵调速板的5大工况</span></h1>
<div class="text">发布来源：重康电力（深圳）有限公司　　发布日期: 2025-07-02　　访问量:845</div>
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<p>转速的不同，调速板可能处于5种作业情形，I号燃油泵调速器的5种工作情况分别为：通常工况、怠速工况、冷启动工况、较高作业转速工况、超负载工况。下面，康明斯电力就关注要点这些工况不一样之处。</p><p>&nbsp;&nbsp;通常工况:当调速手柄处于两个限位螺钉之间的任一位置时，柴油发电机将稳定到某一转速下作业，飞球的离心力与调速弹簧弹力处于平衡状态。如这时外界负荷发生变化而导致速度变化，飞球离心力与调速弹簀弹力失去平衡<a href="http://www.fdjhs.cn" target="_blank">柴油发电机组型号及参数</a>，调速板将自动调整供油量，使柴油发电机转速维持在原来转速附近变化较小的范围内。</p><p>&nbsp;&nbsp;怠速工况:调速手柄转到限位块与怠速限位螺钉相碰时，则调速弹簀放松，预紧力较小，柴油发电机则稳定在较低转速下作业。调节怠速限位螺钉位置，可改变较低稳定转速。拧进时转速提升，反之减小。调整时应达到能使柴油发电机转速较低而又能稳定运转为佳。</p><p>&nbsp;&nbsp;冷起动工况:柴油发电机冷态起动时，因为压缩终了时汽缸内气体的压力和温度较低，不利于燃油的蒸发和混合气的形成。因此，要求喷油泵供给比正常状况下更多的柴油(称为起动加浓)，才能保证一定的混合气成分<a href="http://www.fdjhs.cn" target="_blank">东风康明斯柴油发电机</a>。</p><p>&nbsp;&nbsp;I号柴油泵调速器的启动加浓用途是由启动弹簀来实现的，当柴油发电机停机时，起动弹箦将供油拉杆拉到较左端，供油量达到较大的数值。柴油发电机启动时，由于转速偏低，飞球离心力很小，不足以克服起动弹簧的拉力，因此使启动油量较大。柴油发电机启动后，速度迅速上升，飞球离心力即大于启动弹簀拉力，使供油拉杆右移而减少供油量，启动加浓则停止功能。</p><p>&nbsp;&nbsp;较高作业转速工况:调速手柄的限位块与高速限位螺钉相碰时，调速弹簧受到较大压缩而预紧力较大，柴油发电机处于较高转速工况下工作。如这时外界负荷降低，转速上升，飞球离心力将使供油拉杆向减小供油量方向移动<a href="http://www.fdjhs.cn" target="_blank">康明斯发电机</a>，使柴油发电机输出转矩与负载相平衡。如负荷全部卸去，速度控制器将使供油量减至较小，柴油发电机处于较高空转速度下工作。装有调速器的柴油发电机，较高空转速度与较高作业速度之间差距较小，一般在100-200转/分钟左右，因而起到防止柴油发电机飞车运行产生“超速”危险的用途。</p><p>&nbsp;&nbsp;超负载工况:工程机械、发电机组及发电机组用的柴油发电机，在作业时经常会遇到短期阻力突然增大的状况。如柴油发电机已处于满负荷下工作，供油量已达到较大，这时如发生超负荷状况，柴油发电机速度会迅速减轻而熄火。为了提升柴油发电机克服短期超负载的能力，在全程式调速板中多装有校正装备。调校装备可使柴油发电机在超负载时增加供油量15%~20%左右。供油量增加过多会因燃烧不完全而排黑烟，使性能恶化和积炭增多，因而是不允许的。</p><p>&nbsp;&nbsp;无调校装置时的状况，当柴油发电机超负载时，转速降到小于标定速度，飞球离心力的轴向分力Fa.小于调速弹簧弹力Fe，所以滑套被压紧在油量限位螺钉凸肩上而无法继续左移，供油量不能再增加。</p><p>&nbsp; 有校正装置时，柴油发电机处于中等负载时的情形。这时，校正弹簧处于自由状态，且与滑套间还留有间隙。</p><p>&nbsp; 柴油发电机在标定工况下作业时的情况。滑套刚开始与调校弹簧相接触，间隙消失，而滑套与油量限位螺钉的凸肩仍有间隙，此时供油拉杆处于标定油量位置。</p><p>&nbsp; 柴油发电机处于超负载作业时的情况。由于主轴转速下降，飞球离心力的轴向分力Fa减少。调速弹簧的弹力Fe大于Fa，迫使滑套左移，开始压缩调校弹簧。供油拉杆也相应向增加供油量方向移动少许，以克服超负荷。当滑套与油量限位螺钉凸肩相碰，校正油量达到较大。此时，校正弹簧的弹力F和飞球的轴向分力Fa两者相加与Fe相平衡。 &nbsp;</p><p>&nbsp;&nbsp;从滑套开始压缩校正弹簧到与凸肩相碰为止，供油拉杆所移动的距离称为调校行程。I号柴油泵速度控制器的较大调校行程为1.2-1.5mm。</p><p>&nbsp;&nbsp;停机:因为带全程式速度控制器的燃油泵，操作员只能操纵调速弹簧的预紧力，而不能直接控制供油拉杆，因此当需要紧急停机时，必须还有专门的装置来停止供油。I号喷油泵速度控制器上装有紧急停机手柄，供紧急停机时使用。扳动紧急停机手柄，可使供油拉杆移至较右端，喷油泵即停止供油而使柴油发电机熄火。</p><p>&nbsp;&nbsp;广西康明斯发电机组找康明斯电力，十年老OEM主机厂，技术领先，品质保证， 价格优惠，售后服务健全，产品终身保养。欢迎广大用户朋友前来咨询洽谈：&nbsp;</p></div><a href="http://www.fdjhs.cn/" target="_blank">http://www.fdjhs.cn</a>
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