The treatment of the failure truck causes the mixing drum of the mixer truck not to rotate. Generally, there are two situations as follows:

（1）液压系统或发动机发生故障；

(1) Hydraulic system or engine failure;

（2）马达发生故障。其处理方法如下。

(2) The motor is out of order. The treatment method is as follows.

液压系统或发动机故障的处理：

Troubleshooting of hydraulic system or engine:

（1）打开搅拌筒检修孔盖，旋松马达上高压软管的管接头，旋转拌筒使拌筒检修孔斜向下，将砼从搅拌筒检修孔排出；

(1) Open the manhole cover of the mixing drum, loosen the pipe joint of the high-pressure hose on the motor, rotate the mixing drum to make the manhole of the mixing drum slant downward, and discharge the concrete from the manhole of the mixing drum;

（2）将故障车的高压胶管从马达上卸下，把救援用的高压胶管接上，另一端接在救援车的油泵上，并将应急用的回油管一端接在故障车的马达泄油口，回油管另一端接在救援车的油泵回油口，利用救援车来控制故障车拌筒的旋转，将砼排出。

(2) Remove the high-pressure hose from the motor, connect the high-pressure hose for rescue, connect the other end to the oil pump of the rescue vehicle, connect one end of the emergency oil return pipe to the motor oil drain port of the fault vehicle, and connect the other end of the oil return pipe to the oil return port of the oil pump of the rescue vehicle. Use the rescue vehicle to control the rotation of the mixing cylinder of the fault vehicle and discharge the concrete.

我们经过现场的测试发现，中科聚峰搅拌车，在生产厂所有工具齐全的情况下，采用第2 种方法大约需要1h，如在工地上时间可能会更长，因此建议采用第1种方法排出砼。

After field test, we found that it takes about 1 hour for Zhongke Jufeng mixer to use the second method when all the tools in the production plant are complete. If it is on the construction site, the time may be longer. Therefore, it is recommended to use the first method to discharge the concrete.

马达发生故障，处理则较简单，可把救援车的马达卸下装在故障车上，再将各个油管接好，启动救援车即可将拌筒内的砼排出。总之，对于搅拌车而言，发生故障时应及时判断发生故障的原因，采取有效的措施将拌筒内的砼排出后再故障。

In case of motor failure, the treatment is relatively simple. The motor of the rescue vehicle can be unloaded and installed on the failure vehicle, then the oil pipes can be connected well, and the concrete in the mixing drum can be discharged by starting the rescue vehicle. In a word, for the mixer, the cause of the failure should be judged in time, and effective measures should be taken to discharge the concrete in the mixing drum before the failure is solved.

更为重要的是，运输车是由底盘车改装而成的，其整车较改装前的底盘车有了显著；同时在其运输途中搅拌筒带动着混凝土翻转，自动上料搅拌一体车厂家，使其朝着搅拌筒转动方向偏移，从而使其偏离搅拌筒轴线的垂直平面，以于影响到整车行驶稳定性，易于在转弯时发生侧翻，尤其是在高速行驶时，将会导致较高的翻车事故发生率。

More importantly, the transport vehicle is refitted from the chassis vehicle, and its whole vehicle has a significant improvement compared with the chassis vehicle before refitting; meanwhile, in its transportation, the mixing drum drives the concrete to turn over, and the automatic feeding mixing truck manufacturer makes it move towards the mixing drum rotation direction, so that it deviates from the vertical plane of the mixing drum axis, so as to affect the driving stability of the whole vehicle, which is easy to use Rollover during cornering, especially at high speed, will lead to higher rollover rate.

急刹急转，自动上料搅拌一体车，也常常是造成运输车翻车的主要原因。基于以上的认识，运输车的本身高，行车路况复杂，自动上料搅拌一体车，作为城区运输车这一客观存在，在其使用时应引起高度重视的是行驶稳定性，防止侧翻。

Sudden braking and turning, automatic feeding mixer truck, is often the main cause of the overturning of the transport vehicle. Based on the above understanding, the height of the transport vehicle, the complex road conditions, and the price of the automatic feeding mixer truck, as an objective existence of the urban transport vehicle, we should attach great importance to the driving stability and prevent rollover.