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汽车侧滑的原因分析以及侧滑预防措施?

来源:http://www.lutongqixiu.com/ 日期:2020-10-20 发布人:lutong
行驶的汽车因制动、转动惯性和其他原因,引发某一轴的车轮或两轴的车轮出现横向移动(即向侧面发生甩动)的现象,称为侧滑,汽车制动性是汽车的主要性能指标,与交通安全有直接关系。汽车制动过程中出现的制动跑偏与侧滑严重影响了汽车行驶的方向稳定性,危害行车安全。
Because of braking, rotational inertia and other reasons, the wheels of one axle or two axles move laterally (i.e. swing to the side) of the wheel of a certain axle, which is called sideslip. The braking performance of the vehicle is the main performance index of the vehicle, which is directly related to traffic safety. The brake deviation and Sideslip in the process of automobile braking seriously affect the stability of vehicle driving direction and endanger the driving safety.
汽车侧滑的原因分析以及侧滑预防措施?
Cause analysis and preventive measures of sideslip?
汽车侧滑的原因
Causes of sideslip
(1)路面湿滑、油污或结冰等,其附着系数降低,且左右不对称,车轮载荷与路面附着力也跟着降低,稍有横向外力作用,就会引发车轮侧滑;
(1) When the road surface is wet, greasy or icy, the adhesion coefficient decreases, and the left and right asymmetry, and the wheel load and road adhesion also decrease. A little lateral force will cause the wheel side slip;
(2)制动时四轮受到的阻力不平衡,诸如左右轮制动力不等、各轮附着系数不等、装载偏向一侧等,引发“跑偏”,也极易导致车轮侧滑;
(2) When braking, the four wheels suffer from unbalanced resistance, such as unequal braking force of left and right wheels, unequal adhesion coefficient of each wheel, and deflection of loading center of gravity to one side;
(3)制动不当,如动作过猛、过量等,出现车轮“抱死拖滑”,而后轮一般又先于前轮“抱死”,也易引发车轮侧滑;
(3) Improper braking, such as excessive action, excessive action, etc., may cause wheel "lock and drag slip", and the rear wheel is generally "locked" before the front wheel, which is also easy to cause wheel side slip;

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(4)转向操作不当,如速度快、急打方向或快速转弯中使用制动不当、车辆过高(装载超高)等,使惯性离心力增大,也极易引发车轮侧滑。
(4) Improper steering operation, such as high speed, improper braking in fast turning direction or fast turning, high center of gravity of vehicle (super high loading), etc., will increase the inertial centrifugal force and easily cause wheel side slip.
防止出现后轮侧滑的方法有:
Methods to prevent rear wheel side slip are as follows:
(1)检车车轮的定位参数,必要时进行调整。
(1) Check the wheel alignment parameters and adjust them if necessary.
(2)检查轮胎花纹、气压等是否符合标准。对制动系统进行检查,排除“跑偏”的隐患。(一般情况下,四个车轮制动力不会绝对相等)
(2) Check whether the tire tread pattern and air pressure meet the standard. Check the brake system to eliminate the hidden danger of "Deviation". (in general, the braking force of four wheels will not be absolutely equal)
(3)禁止不合理的装载(原因在于的改变),常见的不合理装载:超重、超高、偏移等。不合理装载降低两个特性:抗侧翻性和行驶稳定性。
(3) It is forbidden to load unreasonably (because of the change of the center of gravity). The common unreasonable loading includes overweight, superelevation, center of gravity deviation, etc. Unreasonable loading reduces two characteristics: rollover resistance and driving stability.
(4)在易滑路面行驶,把车速放慢。谨慎使用制动,避免紧急制动。
(4) Slow down when driving on slippery roads. Use the brake carefully to avoid emergency braking.
(5)下长坡和下陡坡的时候,视情况用发动机制动。
(5) When going down long and steep slopes, brake with the engine as appropriate.
(6)使用制动的过程中,避免频繁制动。
(6) Avoid frequent braking during braking.
(7)在转弯的时候,提前控制车速。避免高速转弯。
(7) When turning, control the speed ahead of time. Avoid high speed turns.
(8)下坡、停车之前禁止使用空挡滑行。(假如当前汽车60km/h行驶,在变速器处于空挡的时候,车速高于60km/h)
(8) It is forbidden to slide in neutral gear before downhill or parking. (if the current vehicle is running at 60km / h, the speed is higher than 60km / h when the transmission is in neutral gear)
(9)冰雪路面(附着系数小),尽量保持汽车低速匀速行驶,避免急加速、急踩刹车。操作动作要平稳。
(9) On ice and snow road (with small adhesion coefficient), try to keep the car running at a low speed and uniform speed, and avoid sudden acceleration and sudden stepping on the brake. Operate smoothly.
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