In order to make the full-automatic feeding and mixing vehicle in good condition, it is necessary to maintain its driving device. Many people often ignore this point when using it, which results in the failure of the driving device, thus affecting the normal operation of the automatic feeding and mixing vehicle. How should we maintain the driving device?

全自动上料搅拌一体车驱动装置的作用是驱动混凝土贮罐的转动，它由取力器、万向轴、液压泵、液压马达、操纵阀、液压油箱及冷却装置组成。如果这部分因故障停止工作，全自动上料搅拌一体车将不能转动，这会使车内混凝土报废，严重的甚是整罐混凝土凝结在罐内，造成全自动上料搅拌一体车报废。因此驱动装置是否可靠是使用中必须高度重视的问题。

The driving device of the automatic feeding and mixing truck is used to drive the rotation of the concrete storage tank. It is composed of power take-off, universal shaft, hydraulic pump, hydraulic motor, control valve, hydraulic oil tank and cooling device. If this part stops working due to fault, the automatic feeding and mixing truck will not be able to rotate, which will make the concrete in the vehicle scrapped, or even the whole tank of concrete coagulates in the tank, resulting in the scrapping of the automatic feeding and mixing vehicle. Therefore, whether the driving device is reliable or not is a problem that must be attached great importance to in use.

为保证驱动装置完好可靠，应做好以下工作：

In order to ensure the integrity and reliability of the drive device, the following work should be done well:

1、万向转动部分是故障多发部位，应按时加注润滑油脂，并经常检查磨损情况，及时修理更换。车队应有备用的万向轴总成，以保证一旦发生故障能在几十分钟内恢复工作。

1. The universal rotating part is a fault prone part, so lubricating grease should be added on time, and the wear condition should be checked frequently, and the repair and replacement should be carried out in time. The team should have spare cardan shaft assembly to ensure that it can resume work in dozens of minutes in case of failure.

2、保证液压油清洁。全自动上料搅拌一体车工作环境恶劣，所以要防止污水泥沙进入液压系统。液压油要按使用手册要求定期更换。一旦检查时发现液压油中混入水或泥沙，就要立即停机清洗液压系统、更换液压油。

2. Keep the hydraulic oil clean. The working environment of the full-automatic feeding and mixing truck is bad, so it is necessary to prevent the dirty cement sand from entering the hydraulic system. The hydraulic oil should be replaced regularly according to the requirements of the manual. Once it is found that the hydraulic oil is mixed with water or sediment, it is necessary to stop the machine immediately to clean the hydraulic system and replace the hydraulic oil.

3、保证液压油冷却装置有效。要定时清理液压油散热器，避免散热器被水泥赌塞，检查散热器电动风扇运转是否正常，防止液压油温度超标。液压部分只要保证液压油清洁，一般故障不多；但生产厂家不同，使用寿命则不一样。

3. Ensure that the hydraulic oil cooling device is effective. The hydraulic oil radiator should be cleaned regularly to avoid the radiator being blocked by cement. Check whether the electric fan of radiator operates normally to prevent the temperature of hydraulic oil exceeding the standard. As long as the hydraulic oil is clean, there are not many faults in the hydraulic part, but the service life varies with the manufacturer.

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