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As we all know, concrete mixer is a special vehicle used to transport cement and concrete to construction units. In the process of transportation, the mixing bucket of concrete mixer needs to run continuously. However, sometimes some special situations will lead to concrete solidification in the mixing tank. So once this phenomenon occurs, how can we solve it? Our concrete mixer technicians generally use these three methods.

方法一：

Method 1

1、準備好緊急驅動軟管，將故障混凝土攪拌車熄火，卸下液壓馬達上的高壓油管接頭。

1. Prepare the emergency drive hose, turn off the faulty concrete mixer, and remove the high-pressure oil pipe connector on the hydraulic motor.

2、將救援車熄火，將其液壓馬達的高壓油管卸下，并與故障車上的對應接頭用緊急驅動軟管相連。

2. Turn off the rescue vehicle, remove the high-pressure oil pipe of its hydraulic motor, and connect it with the corresponding connector on the faulty vehicle with emergency drive hose.

3、發(fā)動救援車，將其操縱手柄撥出料位置，故障車內的混凝土即被排出。

3. Start the rescue vehicle and turn its control handle to the discharging position, then the concrete in the failure vehicle will be discharged.

4、緊急驅動完畢后，將驅動軟管卸下，并恢復兩車原狀。

4. After the emergency drive, remove the drive hose and restore the two vehicles to their original state.
             

方法二：

Method 2

若方法一實行有困難，則采用以下方法，立即排出混凝土。

If it is difficult to carry out the first method, use the following methods to discharge the concrete immediately.

在托輪和滾道之間放入木楔，以控制攪拌筒的旋轉，要注意;將發(fā)動機熄火，拆松液壓馬達的一根高壓油管，攪拌筒可自由旋轉，控制攪拌筒的旋轉，使維修孔轉到下部，然后打開維修孔，清理出筒內混凝土。此時要注意，混凝土排出完畢后，恢復混凝土攪拌車原狀，緊急清理攪拌車內混凝土是我們每個司機都應該會的，在混凝土攪拌車發(fā)生故障的時候，及時清理，將損失降低。

Put a wedge between the supporting wheel and the raceway to control the rotation of the mixing drum, and pay attention to safety; turn off the engine and loosen a high-pressure oil pipe of the hydraulic motor, so that the mixing drum can rotate freely, control the rotation of the mixing drum, turn the maintenance hole to the lower part, and then open the maintenance hole to clean out the concrete in the drum. At this time, we should pay attention to safety. After the concrete is discharged, we should restore the original state of the concrete mixer and clean up the concrete in the mixer urgently. When the concrete mixer fails, we should clean it in time to reduce the loss.

方法三：

Method 3

用“風炮”打碎凝結的混凝土，然后一點點鏟出來，罐體下部要割開一個口，加翻開一個原來就有用羅絲上緊的一個封蓋，這個蓋是讓有需求進去工作時翻開通風和緊急情況用來放料的。而在打罐過程中人在罐里面要通風，在裝料罐入口放臺風扇吹風進去，而“風炮”工作時會搞起灰塵，又要接上水管淋濕打碎的混凝土。把罐里面的再混凝土打碎鏟出以后再打割開部分焊接上，上回封蓋，裝滿水試下轉動能否正常，再少量裝料遞增看液壓機工作能否正常，一切正常即混凝土攪拌車可以繼續(xù)運作了。

Use the "air gun" to break the set concrete, and then shovel it out bit by bit. The lower part of the tank needs to cut a hole, and open a cover that was originally tightened by rose. This cover is used to open the air when there is a need to go in for work and to discharge materials in case of emergency. In the process of canning, people need to ventilate inside the tank, and a fan is placed at the inlet of the charging tank to blow in. When the "air gun" works, it will cause dust, and it will also connect the water pipe to wet the broken concrete. After the concrete in the tank is broken and shoveled out, the cut part is welded, the upper cover is sealed, the water is filled to test whether the underwater rotation is normal, and then a small amount of material is added to see whether the hydraulic press works normally, and everything is normal, that is, the concrete mixer truck can continue to operate.