Many people do not know how to deal with the situation of automatic gear shifting, but don't worry, the following small series is the automatic gear out of gear processing method, let's have a look!

自动脱挡常见有两种情况。一种是在行驶中，稍抬加速踏板，挡位就跳回到空挡位置;另一种是在上坡负荷加大时，挡位立即跳回到空挡位置，这种情况下，如果重新挂挡未挂上，很容易形成溜坡，发生严重的事故。

There are two common cases of automatic shifting. One is that when the accelerator pedal is slightly raised, the gear will jump back to the neutral position; the other is that when the load on the uphill is increased, the gear will jump back to the neutral position immediately. In this case, if the gear is not engaged again, it will easily lead to slope sliding and serious accidents.

自动变速箱

Automatic gearbox

产生原因如下：

The causes are as follows:

（1）拨叉弹簧弹力减弱或折断，使自锁定位失灵；

(1) The elastic force of fork spring is weakened or broken, resulting in self-locking positioning failure;

（2）拨叉有效行程小或拨叉弯曲变形，导致齿轮啮合不到位，受力后易脱挡；

(2) The effective stroke of the fork is small or the fork is bent and deformed, resulting in gear meshing not in place and easy to get out of gear after being stressed;

（3）拨叉锁定螺钉松动，拨叉轴定位槽或自锁装置的钢球磨损，不能将变速杆可靠定位；

(3) The shift fork locking screw is loose, and the steel ball of the fork shaft positioning groove or self-locking device is worn, and the gear lever cannot be positioned reliably;

（4）拨叉端面磨损严重，拨叉端面与滑动齿轮环槽间隙过大，滑动齿轮易前后移位而自动脱挡；

(4) The end face of shifting fork is seriously worn, and the clearance between fork end face and ring groove of sliding gear is too large, so the sliding gear is easy to shift back and forth and automatically out of gear;

（5）齿轮与轴的花键磨损，键槽间隙过大，使齿轮在传动中摆动，滑动齿轮易脱离啮合位置；

(5) The spline of gear and shaft is worn, and the clearance between keyway is too large, which makes the gear swing in transmission, and the sliding gear is easy to leave the meshing position;

（6）齿轮工作面磨损成锥形，使齿轮啮合间隙过大，易产生轴向推力，致使滑动齿轮脱开啮合；

(6) The working face of the gear is worn into a cone, which makes the meshing clearance of the gear too large, which is easy to produce the axial thrust and cause the sliding gear to be out of engagement;

（7）轴承磨损、轴承松旷，轴承与轴内圈滑转、轴承与箱体座孔外圈滑转，轴向间隙过大，都使齿轮轴产生倾斜和齿轮轴发生位移，导致齿轮受力后自动脱离啮合。

(7) Bearing wear, bearing looseness, bearing and shaft inner ring sliding, bearing and box seat hole outer ring sliding, axial clearance is too large, all make gear shaft tilt and gear shaft displacement, resulting in gear automatically out of engagement after stress.

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The above content is shared here, I hope it can help you. If you want to know more about automatic transmission, please pay more attention to our website http://www.jnbsx.com/