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!

自動脫擋常見有兩種情況。一種是在行駛中，稍抬加速踏板，擋位就跳回到空擋位置;另一種是在上坡負荷加大時，擋位立即跳回到空擋位置，這種情況下，如果重新掛擋未掛上，很容易形成溜坡，發生嚴重的事故。

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.

自動變速箱

Automatic gearbox

產生原因如下：

The causes are as follows:

（1）撥叉彈簧彈力減弱或折斷，使自鎖定位失靈；

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

（2）撥叉有效行程小或撥叉彎曲變形，導致齒輪嚙合不到位，受力后易脫擋；

(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）撥叉鎖定螺釘松動，撥叉軸定位槽或自鎖裝置的鋼球磨損，不能將變速桿可靠定位；

(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）撥叉端面磨損嚴重，撥叉端面與滑動齒輪環槽間隙過大，滑動齒輪易前后移位而自動脫擋；

(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）齒輪與軸的花鍵磨損，鍵槽間隙過大，使齒輪在傳動中擺動，滑動齒輪易脫離嚙合位置；

(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）齒輪工作面磨損成錐形，使齒輪嚙合間隙過大，易產生軸向推力，致使滑動齒輪脫開嚙合；

(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）軸承磨損、軸承松曠，軸承與軸內圈滑轉、軸承與箱體座孔外圈滑轉，軸向間隙過大，都使齒輪軸產生傾斜和齒輪軸發生位移，導致齒輪受力后自動脫離嚙合。

(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.566605.com/