水泥自上料攪拌車有時會出現(xiàn)以下幾種故障。本文將介紹常見的故障類型，分為四種，來看看吧。

The cement self loading mixer sometimes has the following faults. This article will introduce the common fault types, which are divided into four types. Let's have a look.

其一，水泥自上料攪拌車的活塞偏心磨損，即同一活塞的一側(cè)變尖而另一側(cè)變細(xì)。小型泵車的活塞的局部磨損基本上與活塞的質(zhì)量無關(guān)。活塞說：“這是由于輸送缸和主油缸的軸不同造成的。這個鍋不能扔給我。”

First, the piston of the cement self loading mixer is eccentrically worn, that is, one side of the same piston becomes sharp and the other side becomes thin. The local wear of the piston of a small pump truck is basically irrelevant to the quality of the piston. Piston said, "this is caused by the different shafts of the conveying cylinder and the main cylinder. This pot can't be thrown to me."

其二，水泥自上料攪拌車的活塞會漏出泥漿。一旦漿液泄漏，即活塞清洗室中的水開始變得渾濁，則須及時進行更換。它不能活著使用。容易使沙粒滯留在活塞環(huán)中，這很容易損壞輸送缸并造成重大損失。畢竟，輸送缸比一對活塞貴得多。

Second, the cement will leak out of the piston of the loading mixer. Once the slurry leaks, that is, the water in the piston cleaning room begins to become muddy, it must be replaced in time. It cannot be used alive. It is easy for sand particles to stay in the piston ring, which is easy to damage the conveying cylinder and cause heavy losses. After all, the delivery cylinder is much more expensive than a pair of pistons.

其三，水泥自上料攪拌車的活塞掉落，這很不錯是質(zhì)量問題。這是因為活塞材料的質(zhì)量達不到標(biāo)準(zhǔn)，并且附著力不足，導(dǎo)致塊體脫落。在這種情況下，找到制造商的補償是的方案。

Third, the cement fell from the piston of the loading mixer, which is a very good quality problem. This is because the quality of the piston material can not meet the standard, and the adhesion is insufficient, resulting in the block falling off. In this case, finding the manufacturer's compensation is the solution.

其四，泵車的活塞正在熔化。這種故障也很常見。當(dāng)使用C50及以上混凝土?xí)r，很容易發(fā)生。熔化的原因是傳輸滾筒太熱并且熱量散開了。較弱的活塞將更少。

Fourth, the piston of the pump truck is melting. This fault is also common. When C50 and above concrete is used, it is easy to happen. The reason for melting is that the transfer drum is too hot and the heat dissipates. There will be fewer weak pistons.

活塞活塞熔化故障的一步是去除活塞環(huán)末端的防塵環(huán)，以使洗滌室中的水與活塞活塞充分接觸，以盡可能多地散熱。如果條件允許，可以多次更換洗手間中的水，排出熱水，并添加冷水以加快冷卻速度。好的方法是引入長流水進行冷卻，并確保一勞永逸。

The step to solve the problem of piston melting is to remove the dust ring at the end of the piston ring, so that the water in the washing room can be in full contact with the piston to dissipate heat as much as possible. If conditions permit, you can change the water in the toilet for many times, drain the hot water, and add cold water to speed up the cooling speed. A good way is to introduce long running water for cooling and ensure that it is done once and for all.

此外要注意點的事項也不少，比如：

In addition, there are many things to pay attention to, such as:

在公路上行駛時，加長溜槽必須翻轉(zhuǎn)放置在卸料溜槽上用掛鉤掛牢，再轉(zhuǎn)與車身垂直部位，用鎖緊裝置把卸料溜槽和加長溜槽鎖緊在機架上，防止由于不固定而搖動，造成傷人事故和影響其它車輛運行。輸送混凝土的容量，質(zhì)量及塌落度應(yīng)符合第二章中的規(guī)定。

When driving on the highway, the extended chute must be overturned and placed on the discharge chute, hung firmly with a hook, and then turned to the vertical part with the vehicle body. The discharge chute and the extended chute are locked on the frame with a locking device to prevent shaking due to instability, causing injury accidents and affecting the operation of other vehicles. The capacity, quality and slump of transported concrete shall comply with the provisions in Chapter II.

攪拌車在露天場地停放時，裝料前應(yīng)先將攪拌筒反轉(zhuǎn)，把筒內(nèi)的積水（或雨水）和雜物卸出，以保證運送混凝土的質(zhì)量。在出料斗、卸料溜槽旁工作時，要佩戴防護用品。不要接近料斗及攪拌口，也不要向內(nèi)窺看，更不得用手去摸旋轉(zhuǎn)的攪拌筒。

When the mixer truck is parked in the open air, the mixer drum should be reversed before loading, and the accumulated water (or rainwater) and sundries in the drum should be unloaded to ensure the quality of concrete transportation. Wear protective equipment when working near the discharge hopper and discharge chute. Do not approach the hopper and mixing port, nor look inward, nor touch the rotating mixing drum with your hands.

新車開始使用時，必須進行檢查和試車，一切正常時，方可正式使用。交貨時，如發(fā)現(xiàn)水分蒸發(fā)，塌落度偏低不能滿足用戶要求時，可適當(dāng)向筒內(nèi)加水，然后以12-14r/min的速度旋轉(zhuǎn)30轉(zhuǎn)后卸料。

When the new car is put into use, it must be comprehensively checked and tested. It can be officially used only when everything is normal. During delivery, if it is found that the water evaporates and the slump is too low to meet the user's requirements, water can be added to the cylinder appropriately, and then rotate at the speed of 12-14r/min for 30 turns before unloading.

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