小型混凝土搅拌车上装部分的故障有哪些？_常见问题_全自动上料搅拌机车

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小型混凝土搅拌车上装部分的故障有哪些？

所属分类：常见问题发布时间：2020-12-12 来源：http://www.shanqijituan.com 浏览量：0

小型水泥搅拌车由底盘和上装组成，当搅拌车上装部分出现故障的时候，首先要去了解故障出现的原因：结合搅拌车的车况，是偶尔出现还是经常都有，转速快慢时故障有无差别，在分析故障原因时，这些因素都是非常重要的。

The small cement mixer is composed of chassis and upper part. When the upper part of the mixer fails, the first thing to do is to find out the cause of the failure: combined with the vehicle condition of the mixer, whether it occurs occasionally or often, whether there is any difference between the speed and speed of the mixer. When analyzing the cause of the failure, these factors are very important.

一、罐体抖动

1、 Can body shaking

小型混凝土搅拌车的罐体在轴线上，正常状态下罐体运行稳定。由于积料或料运转不均匀，就会导致罐体的承重偏移，罐体工作中就会出现抖动。由于积料造成的抖动故障具体表现在：1，罐体抖动呈现周期性变化 2，罐体转动一周抖动不超过两次。如果罐体抖动没有规律，可以检查油箱油液是否浑浊，减速机是否有损坏导致油液混入金属颗粒。

The tank body of small concrete mixer truck is on the axis, and the tank runs stably under normal state. Due to the accumulation or uneven operation of the material, the load-bearing deviation of the tank body will be caused, and the tank body will vibrate during operation. The specific performance of jitter fault caused by accumulation is as follows: 1. The tank body jitter changes periodically; 2. The tank body shakes no more than twice in one cycle. If the tank shakes irregularly, you can check whether the oil in the tank is turbid and whether the reducer is damaged, resulting in the oil mixing with metal particles.
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二、噪音

2、 Noise

首先，液压系统本身在输出功率时就会有声音，尤其在大功率输出时，所以如果空车就有大功率输出的规律性噪音时，应排除罐体严重积料的可能。如果是沉重的轰鸣声，应考虑空气混入的因素；如果声音比较尖锐，又要分高压溢流噪音和机械原因导致的噪音，在重载时，如果负载过大并超出系统溢流阀的设定值，系统会溢流，此时会产生急剧的嚣叫声，同时伴随油温迅速升高。机械原因的噪音往往会随着发动机的转速提高而产生。

First of all, the hydraulic system itself will have a sound when it outputs power, especially when the output power is high. Therefore, if there is regular noise of high power output when the empty car is empty, the possibility of serious material accumulation in the tank should be ruled out. If it is a heavy roar, the factor of air mixing should be considered; if the sound is relatively sharp, the high-pressure overflow noise and the noise caused by mechanical reasons should be divided. In case of heavy load, if the load is too large and exceeds the set value of the system relief valve, the system will overflow, and at this time, there will be a sharp roar, and the oil temperature will rise rapidly. Mechanical noise is often generated with the increase of engine speed.

三、重载无力

3、 Heavy and weak

如果小型搅拌车出现重载无力的情况，可以首先考虑搅拌车车龄。拆开滤芯检查，如果在滤芯内发现金属粉末、铜沫甚至大块金属物，即可断定液压泵或马达磨损。

If the small mixer has heavy load and weak force, the age of the mixer can be considered first. If metal powder, copper foam or even large metal objects are found in the filter element, it can be concluded that the hydraulic pump or motor is worn.

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