凝土搅拌车由汽车底盘、搅拌筒、传动系统、供水装置、全功率取力器、搅拌筒前后支架、减速机、液压传动系统、进出料系统、操纵机构等部分组成。其工作原理：通过取力装置将汽车底盘的动力取出，并驱动液压系统的变量泵，把机械能转化为液压能传给定量马达，马达再驱动减速机，由减速机驱动搅拌装置，对混凝土进行搅拌。混凝土搅拌车拌筒不能转动的原因及办法介绍如下：
Concrete mixer truck is composed of truck chassis, mixing drum, transmission system, water supply device, full power take-off, front and rear supports of mixing drum, reducer, hydraulic transmission system, feeding and discharging system, control mechanism, etc. Its working principle: take out the power of the car chassis through the power take-off device, drive the variable displacement pump of the hydraulic system, convert the mechanical energy into hydraulic energy and transfer it to the quantitative motor, the motor drives the reducer, and the reducer drives the mixing device to mix the concrete. The reasons why the mixing drum of concrete mixer cannot rotate and the solutions are as follows:
1、运输过程中有混泥土卡住了，清理干净就没有问题了。
1. If the concrete gets stuck during transportation, there will be no problem after cleaning.
2、液压系统或发动机故障的处理：
2. Troubleshooting of hydraulic system or engine:
1）打开混凝土搅拌车搅拌筒检修孔盖，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，将砼从混凝土搅拌车搅拌筒检修孔排出。
1) Open the manhole cover of the mixing cylinder of the concrete mixer, loosen the pipe joint of the high-pressure hose on the motor, rotate the mixing cylinder to make the manhole of the mixing cylinder inclined downward, and discharge the concrete from the manhole of the mixing cylinder of the concrete mixer.
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.
3、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。
3. 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.
混凝土搅拌车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。
When the concrete mixer truck fails, it is necessary to judge the cause of the failure in time and take effective measures to discharge the concrete in the mixing drum before solving the failure.
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2022-12-23
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