攪拌機(jī)的驅(qū)動(dòng)橋輸出扭矩大，結(jié)構(gòu)復(fù)雜，容易出現(xiàn)故障。下面我們將介紹常見故障的原因、現(xiàn)象及處理方法。

The drive axle of the mixer has large output torque and complex structure, which is prone to failure. Next, we will introduce the causes, phenomena and treatment methods of common faults.

1、聲音異常。

1. Abnormal sound.

驅(qū)動(dòng)橋發(fā)出聲音的原因比較復(fù)雜。如果零件質(zhì)量不達(dá)標(biāo)，主傳動(dòng)總成調(diào)整不當(dāng)，磨損過大，裝載機(jī)工作時(shí)會(huì)發(fā)出噪音。

The reasons for the sound of the drive axle are complex. If the quality of parts is not up to standard, the main drive assembly is improperly adjusted, and the wear is too large, the loader will make noise when working.

(1)齒輪嚙合間隙不當(dāng)引起的聲音。例如嚙合間隙過大的牙齒相互碰撞，發(fā)出有節(jié)奏的“咯咯、咯咯”聲；如果嚙合間隙過小，牙齒相互擠壓，聲音為連續(xù)的“咳”聲，并伴有發(fā)熱；當(dāng)嚙合間隙不均勻時(shí)，聲音為有節(jié)奏的“硬”聲，嚴(yán)重時(shí)驅(qū)動(dòng)橋會(huì)擺動(dòng)。處理方法是拆下主傳動(dòng)機(jī)構(gòu)，重新調(diào)整齒輪的嚙合間隙。

(1) Sound caused by improper gear meshing clearance. For example, teeth with too large meshing gap collide with each other, making a rhythmic "cluck, cluck" sound; If the meshing gap is too small, the teeth squeeze each other, and the sound is a continuous "cough" sound, accompanied by fever; When the meshing clearance is uneven, the sound is a rhythmic "hard" sound, and the drive axle will swing in serious cases. The treatment method is to dismantle the main transmission mechanism and readjust the meshing clearance of the gears.

(2)軸承間隙不當(dāng)?shù)穆曇簟Ｈ糨S承游隙過小，則發(fā)出“響……”的連續(xù)聲；軸承游隙過大時(shí)，會(huì)發(fā)出凌亂的“哈啦，哈啦”聲。方法是拆下主傳動(dòng)機(jī)構(gòu)，重新調(diào)整軸承游隙。

(2) Sound of improper bearing clearance. If the bearing clearance is too small, a continuous sound of "ring..." will be emitted; When the bearing clearance is too large, it will make a messy "ha, ha" sound. The solution is to remove the main transmission mechanism and readjust the bearing clearance.

(3)差速器異響：如行星齒輪與十字軸卡死時(shí)，會(huì)出現(xiàn)“嘎嘎、嘎嘎”的聲音，多發(fā)生在轉(zhuǎn)彎時(shí)；行星齒輪嚙合不良的聲音比較復(fù)雜，機(jī)器在直線行駛時(shí)是“嗯……”的聲音，機(jī)器轉(zhuǎn)速越高，聲音越大，還會(huì)有轉(zhuǎn)動(dòng)時(shí)發(fā)出“咔嚓”聲。處理方法是拆下主傳動(dòng)機(jī)構(gòu)，更換十字軸或行星齒輪。

(3) Differential abnormal noise: if the planetary gear and cross shaft are stuck, there will be a "quack, quack" sound, which mostly occurs when turning; The sound of poor meshing of planetary gears is more complex. When the machine runs in a straight line, it is the sound of "hum...". The higher the speed of the machine, the louder the sound is, and there will be a "click" sound when it rotates. The treatment method is to remove the main transmission mechanism and replace the spider or planetary gear.

2.過熱。

2. Overheating.

例如，機(jī)器運(yùn)轉(zhuǎn)或工作一段時(shí)間后，如果觸摸橋殼，如果感覺很熱，則說(shuō)明驅(qū)動(dòng)橋過熱。主要原因是軸承游隙和齒輪嚙合游隙太小，缺少潤(rùn)滑油。處理方法是先檢查是否缺少潤(rùn)滑油。如不缺油，應(yīng)拆下主傳動(dòng)，檢查調(diào)整軸承間隙或齒輪嚙合間隙。

For example, if you touch the axle housing after the machine is running or working for a period of time, if it feels very hot, it means that the drive axle is overheated. The main reason is that the bearing clearance and gear meshing clearance are too small and lack of lubricating oil. The treatment method is to check whether there is a lack of lubricating oil first. If there is no lack of oil, remove the main drive, check and adjust the bearing clearance or gear meshing clearance.

3.漏油。

3. Oil leakage.

漏油現(xiàn)象是自動(dòng)混凝土攪拌機(jī)在運(yùn)轉(zhuǎn)或停車時(shí)，在主傳動(dòng)與橋殼的接合處以及輪轂減速器內(nèi)側(cè)有齒輪油滲出。主傳動(dòng)與橋殼連接處漏油是由于螺栓松動(dòng)或石棉紙墊片損壞；輪轂減速器內(nèi)部漏油主要是雙口骨架油封或“O”形密封圈損壞。處理方法是更換雙唇骨架油封或石棉紙墊。

The phenomenon of oil leakage is that when the automatic concrete mixer is running or stopped, there is gear oil seepage at the joint between the main drive and the axle housing and the inner side of the hub reducer. The oil leakage at the connection between the main drive and the axle housing is due to loose bolts or damaged asbestos paper gaskets; The oil leakage inside the hub reducer is mainly caused by the damage of the double port skeleton oil seal or "O" ring. The treatment method is to replace the double lip framework oil seal or asbestos paper pad.

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