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自动混凝土搅拌机知识

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实现混凝土搅拌车控制方法有哪些？

所属分类：行业资讯发布时间：2020-10-21 来源：http://www.sqjituan.cn/ 浏览量：0

发动机限速控制

Engine speed limit control

混凝土搅拌车的发动机采用柴油发动机，柴油机具有在转速条件不变时，其他性能受负荷影响而变化的特性。综合考虑各种问题，在发动机限速上要将发动机的经济油耗设置在特定的区域内，而不是一个固定的点上，在此油耗较为经济的区域内，发动机根据工作的具体情况及需要，选择区域内的某一油耗点，以此实现的效果。同时，混凝土搅拌车是一种运输工具，在运输过程中，频繁换档是常见情况。

The engine of the concrete mixer is diesel engine. The diesel engine has the characteristics that other performances are affected by the load when the speed is constant. Considering all kinds of problems comprehensively, the economic fuel consumption of the engine should be set in a specific area instead of a fixed point in the engine speed limit. In this relatively economic area, the engine should select a certain fuel consumption point in the region according to the specific conditions and needs of the work, so as to achieve the effect of energy saving. At the same time, the concrete mixer is a kind of means of transportation, in the transportation process, frequent shift is a common situation.

因此，根据不同的档位进行控制技术设计是必要的。根据混凝土搅拌运输车的作业情况，柴油机的转速使得其油耗量在经济油耗的区域之内，技术应着眼于运输车的载物状况。对于混凝土满载搅拌运输车，调整发动机的工作点，使得车速降低，但混凝土搅拌运输车司机可以手动变换档位以改善速度降低等问题。对于混凝土空载的搅拌运输车，应限制发动机转速，但此举会使得混凝土搅拌车的较大速度大大降低，因此司机可以通过高档位实现速度的提升。
自动混凝土搅拌车

Therefore, it is necessary to design energy-saving control technology according to different gears. According to the operation of concrete mixer truck, the speed of diesel engine makes the fuel consumption within the economic fuel consumption area. Energy saving technology should focus on the load condition of the truck. For the full load concrete mixer truck, adjust the working point of the engine to reduce the speed. However, the driver of the truck can change gears manually to improve the speed reduction. For the concrete mixer truck with no load, the engine speed should be limited, but this will greatly reduce the larger speed of the concrete mixer truck, so the driver can increase the speed through high gear.

变功率控制

Variable power control

混凝土搅拌车分为四种工作状况：停车装料搅拌、满载搅拌运输、停车卸料搅拌、空载运输返回。根据混凝土搅拌运输机的工况不同，设计适应不同需求状况的发动机，根据混凝土搅拌车的外部负荷情况适时调整发动机的工作点，通过设计多条柴油机的变功率曲线，满足混凝土搅拌运输机在不同外部负荷、不同档位的需求。

The concrete mixer is divided into four working conditions: stop loading mixing, full load mixing and transportation, parking unloading mixing, no-load transportation return. According to the different working conditions of the concrete mixer conveyor, the engine is designed to meet different demand conditions. According to the external load of the concrete mixer truck, the working point of the engine is adjusted timely. By designing multiple variable power curves of the diesel engine, the requirements of the concrete mixing conveyor in different external loads and different gears are met.

在实际的操作中，结合混凝土搅拌运输机的牵引力、速度、档位，考虑外部负荷情况，选择合适的发动机，计算其功率，从而在特定范围内选择发动机的变功率曲线。变功率控制通过限制功率，使其在相关工作有质有量的前提下，降低油耗量达到节约能耗效果。

In the actual operation, combined with the traction force, speed and gear of the concrete mixing conveyor, considering the external load, the appropriate engine is selected and its power is calculated, so as to select the variable power curve of the engine in a specific range. Variable power control can reduce fuel consumption and save energy consumption by limiting power.

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