有很多客户使用的自动上料搅拌机都是经过改造的搅拌机，一般客户手头有闲置车辆，如：轻型货车、自卸车、各类农用车。利用这些车辆对搅拌机进行改造，虽然节省了投资成本，但也增加了自动上料搅拌机运行中的不安全隐患。造成安全隐患的原因是，客户用于改装搅拌机的底盘一般不是搅拌机的专用底盘。

Many customers use automatic feeding mixers that have been transformed. Generally, customers have idle vehicles on hand, such as light trucks, dump trucks and various agricultural vehicles. Using these vehicles to transform the mixer, although the investment cost is saved, it also increases the unsafe hidden danger in the operation of the automatic feeding mixer. The reason for the potential safety hazard is that the chassis used by customers to modify the mixer is generally not the special chassis of the mixer.

与普通底盘相比，混炼机的特殊底盘增加了发动机的全功率输出装置。通常说发动机可以输出两个传动轴。小传动轴直接驱动搅拌车的液压油泵，发动机转速稳定，油泵能保持良好稳定的输出。改装后的搅拌机只能从齿轮箱的动力输出轴向油泵取力。

Compared with the ordinary chassis, the special chassis of the mixer increases the full power output device of the engine. Generally speaking, the engine can output two transmission shafts. The small drive shaft directly drives the hydraulic oil pump of the mixer truck, the engine speed is stable, and the oil pump can maintain a good and stable output. The modified mixer can only take power from the power take-off axial oil pump of the gearbox.

取力器本身的安装尺寸相对较小，无法与高质量、大安装尺寸的油泵相匹配。而且，当变速箱不工作时，液压油泵也不会工作，比如踩离合器时。动力输出轴在行驶中一直工作。由于齿轮的连续啮合，会影响车辆的啮合。

The installation size of the power take-off itself is relatively small, which can not match with the high-quality oil pump with large installation size. Moreover, when the transmission is not working, the hydraulic oil pump will not work, such as when stepping on the clutch. The power take-off shaft operates continuously during driving. The continuous meshing of gears will affect the meshing of vehicles.

而且动力输出轴不是一个可以长时间工作的机械部件。一般在自卸车上停车时安装使用。如果长时间使用，容易损坏齿，影响自动上料搅拌机的工作。如果长时间不及时修补，混凝土就会凝固进罐内，造成不可避免的损失。

And the power take-off shaft is not a mechanical part that can work for a long time. It is generally installed and used when parking on the dump truck. If it is used for a long time, it is easy to damage the teeth and affect the work of the automatic feeding mixer. If it is not repaired in time for a long time, the concrete will solidify into the tank, causing inevitable losses.

此外自上料搅拌机作为运输车辆，其维护维修应当符合交通部规定，实行“定期检查、强制维修、有条件维修”的维修制度。在这个大前提下，结合自上料搅拌机的实际情况，做好保养维修工作。

In addition, as a transport vehicle, the self loading mixer shall be maintained and repaired in accordance with the provisions of the Ministry of communications, and the maintenance system of "regular inspection, compulsory maintenance and conditional maintenance" shall be implemented. Under this premise, the maintenance work shall be done well in combination with the actual situation of the self feeding mixer.

在日常保养方面，自上料搅拌机的运输车不仅要按常规保养汽车发动机底盘等部件，还要做好以下维修工作，当发动机发生故障时，处理比较简单：可以把救援车的发动机卸下来装在坏车里，然后把每根管子接好，自上料搅拌机里的混凝土可以随着救援车的启动一起卸载出来。

In terms of daily maintenance, the transport vehicle of the self loading mixer should not only maintain the vehicle engine chassis and other components as usual, but also do the following maintenance work. When the engine fails, the treatment is relatively simple: the engine of the rescue vehicle can be unloaded and loaded into the damaged vehicle, and then each pipe can be connected. The concrete in the self loading mixer can be unloaded with the start of the rescue vehicle.

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