如今汽车已经成为普遍的代步工具,汽车驾驶技能是每个驾驶员必须掌握的技能。开车外出游玩时,不一定全是平坦的高速路,有很多的陡坡和崎岖的路,很多司机面对这样的路面情况往往会手足无措。特此为大家搜罗了一些上坡路开车技巧,告诉你在上坡路如何驾驶。
1.汽车起步时
起步时只要拉紧手制动,慢慢抬起离合器至结合点,此时立即稳住离合器,放下手制动,车子就不会出现“溜坡”现象。汽车上坡起步时,由于受到的阻力较大,所以离合器要比平路多稳3-4秒,当您放下手制动时,千万不要马上松离合器,须立即加油,等车子慢速行进3-4m时,再将离合器慢慢抬起,这样就能保证 车子在坡道上平稳起步不至于熄火。要敢加油,在上坡起步,放下手刹时,要立即加油, 使发动机的转速达到1500转左右,这样才能保证汽车上坡起步动力充沛,不会出现“抖动”现象。
能否平稳在坡道起步,关键在于手脚能否配合得当,否则,将会造成发动机熄火或汽车的后溜。
2.爬坡时间较长时
爬坡用高速挡硬撑会使汽车车速急剧下降,造成换挡(由较高一档换入较低一档)困难,等于汽车重新起步,浪费很多燃料。
因此,应提前换入抵挡。如用低速挡硬冲,其结果必然要加大油门,迫使省油器参加工作。此时,虽然发动机转速很高,但车速增加却很有限,结果导致油耗猛增。
余力能够用较高档位行驶时,应及时换入高一级档位。即汽车行驶尽量采用高速挡。
通过短而坡度较小的上坡道时,若路面宽阔平整,视线良好,可利用惯性加速冲上坡。当车辆长时间坡道运行,应将加速踏板踏下3/4左右,此则使发动机保持足够的动力,并且可防止发动机温度过热。
3.汽车上陡坡时
必须根据坡道情况选择适当的挡位行驶,使发动机保持足够的动力。
迅速减挡,切不可强撑,以至造成拖挡熄火。如错过换挡时机,可越级减挡。若遇换不进挡或发动机熄火时,应立即联合使用行车制动器与驻车制动器强行停车,然后重新起步。坡度太陡,车辆动力不足而通过困难时,就卸下部 分货物,或让其他乘员持三角木,随车走在靠山一侧的后轮旁边,待车辆接近停住时,迅速将三角木垫人车轮后方,抵住轮胎防止车辆后溜。若遇车辆失控后溜时,应把车尾转向靠山的一侧,使车尾抵在山石上,而将车辆停住。此时注意转向盘不能转错,以免发生事故。在冰雪、泥泞等湿滑的坡道上行车,若遇有前车 正在爬坡时,后车应选择适当地点停车,等前车通过再爬坡。
4.汽车接近坡顶时
在接近坡顶时,应注意相向车辆或行人,防止发生交通事故,因为这时对正常观察会形成一定的视线盲区。
5.汽车爬坡时节油技巧
a.重车在爬坡由较高一档换入较低一档时,不要等到汽车的惯性消失时再换档,而应适应提前换档,否则将难以低档。或即使换入低档也不是该档的经济车速,严重时会导致坡中停车,需要重新起步,从而增加油耗。
b.不要低速档高速爬坡。
c.不要加大油门勉强爬坡。这比用低一档的经济车速爬到坡顶费油。
d.不要临到坡前才加速冲坡,而应先对坡度的大小,长短做出适当估计,提前加速,充分利用汽车的惯性冲坡,做到“高速档不硬撑,低速档不硬冲”,以利节油。
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/25265.html
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