When we use the self loading mixer, mastering the correct operation method is conducive to the smooth progress of construction and improve the work efficiency of the project. However, some people will not use the mechanical parts of the equipment correctly when using the self loading mixer, which will reduce its service life. In the next article, let's take a look at the eight precautions during the operation of the self loading mixer.

自上料搅拌车输送混凝土的容量，质量及塌落度应契合混凝土行业标准和要求

The capacity, quality and slump of concrete transported from the loading mixer shall meet the standards and requirements of the concrete industry

1、自上料搅拌车输送混凝土的容量，质量及塌落度应契合混凝土行业标准和要求。

1. The capacity, quality and slump of concrete transported from the loading mixer shall comply with the concrete industry standards and requirements.

2、大型拌和罐车在混凝土运送过程中罐体制止停转，避免形成混凝土的凝聚，停转重启时会形成对液压体系、减速机的冲击，导致液压泵和马达的损坏。

2. During the transportation of concrete, the tank body of large-scale mixing tank truck shall be prevented from stopping to avoid the formation of concrete condensation. When stopping and restarting, it will have an impact on the hydraulic system and reducer, resulting in the damage of hydraulic pump and motor.

3、自上料搅拌车在公路上行进时，加长溜槽有必要放置在卸料溜槽支架上并用挂钩挂牢，不允许挂在主排料溜槽上工作；主排料溜槽要旋转到固定位置，拉下定位手柄，用锁紧手柄将弹簧变幅组织锁止，避免由于不固定而摇晃，形成伤人事端和影响其它车辆工作可能。

3. When the self loading mixer truck travels on the road, it is necessary to place the extended chute on the support of the unloading chute and hang it firmly with a hook. It is not allowed to hang it on the main discharge chute; The main discharge chute shall be rotated to a fixed position, the positioning handle shall be pulled down, and the locking handle shall be used to lock the spring luffing organization, so as to avoid shaking due to non fixation, which may cause personal injury and affect the work of other vehicles.

4、自上料搅拌车作业设备接连工作时刻不该超越8h。

4. The continuous working time of the operation equipment of the feeding mixer shall not exceed 8h.

5、卸料时，如发现水分蒸腾，塌落度偏低不能满意用户要求时，可适当向筒内加水，然后以10—14r、min的速度旋转30转后卸料，使混凝土充沛拌和。

5. During unloading, if water transpiration and low slump are found, which can not meet the user's requirements, water can be added to the cylinder appropriately, and then rotate at the speed of 10-14r and min for 30 revolutions before unloading, so as to fully mix the concrete.

6、自上料搅拌车在空载工作过程中，拌和筒不得停转避免波动时形成滚道和托轮部分磕碰，导致托轮和滚道的反常损坏。

6. During the no-load operation of the self loading mixer, the mixing drum shall not stop, so as to avoid the collision between the raceway and the supporting roller during fluctuation, resulting in abnormal damage to the supporting roller and the raceway.

7、水箱的水量要常常加满，以备急用。水箱加水前，有必要翻开放气阀把箱内空气放掉；冲刷时翻开气阀，冲刷结束或者停用时应将水罐内气体放掉。冬天停放时，水箱和供水体系里，不得有剩下水，避免冻裂，注意：水箱仅在供水时加压，不要带着加压水箱在公路上行进。

7. The water tank should always be filled up for emergency use. Before adding water to the water tank, it is necessary to open the air valve to release the air in the tank; Open the air valve during flushing, and release the gas in the water tank when flushing is completed or stopped. When parking in winter, there shall be no water left in the water tank and water supply system to avoid frost crack. Note: the water tank is pressurized only during water supply, and do not carry the pressurized water tank on the road.

8、自上料搅拌车在满载混凝土正转，如要回转，有必要操作手柄使正转停稳后，再操作手柄回转，禁止正转过程中操作手柄使其回转

8. When the self loading mixer truck rotates forward with full load of concrete, if it wants to rotate, it is necessary to operate the handle to stop the forward rotation, and then operate the handle to rotate. It is forbidden to operate the handle to rotate it during the forward rotation

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