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General knowledge of daily maintenance of concrete mixer tank

2020-04-29

The concrete mixer truck solves the transportation problem of commercial concrete from the preparation site to the pouring site. Due to the limited use of the concrete mixer truck, many users do not know much about some daily use and maintenance, and the working environment of the concrete mixer truck is relatively poor. In addition, users do not pay attention to daily maintenance, which causes some unnecessary failures and economic losses. I hope that the maintenance introduction of the concrete mixer truck tank below the editor will play a role in the daily use and maintenance of the majority of concrete mixer truck users.

1. As a concrete mixer truck, the concrete mixer tank should be maintained first. The new concrete mixer truck should fasten the tank support to the chassis chassis of the car in real time. After transporting the concrete and entering the cleaning tank each time, it is necessary to know that the concrete is relatively easy to bond with the steel.

2. The problem of the symmetry of the discharge is one of the important indicators of the performance of the concrete mixer truck, which directly affects the construction quality. When transporting concrete, the rotation speed of the mixing drum should be controlled at 2 ~ 5r / min. When the conveying interval is long and the slump of the concrete may be large, the mixing drum should be quickly moved 5 ~ 10 times before discharging, so that the inner The concrete can be fully mixed, so that the uniformity of the discharge will be greatly improved. If coagulation and water loss occur on the way, water should be added to the site for mediation and full agitation. Although this environment should be controlled only, it will not guarantee the quality of the concrete. Some users do not pay attention to the speed in the transportation process when using it. Too fast will increase the fuel consumption, and too small will cause the concrete to segregate. Therefore, the rotation speed of the mixing drum should be strictly controlled according to the requirements to improve the quality of concrete transportation.

3. The maximum amount of concrete cannot be higher than the generous volume of the tank, because of the difference in concrete strength grade, its density is also different, and the density of high-strength concrete is generally large. The same volume can be unlucky for the car. The capacity, quality and slump of the conveyed concrete should be in accordance with the provisions in the vehicle's instruction manual, and lubricating oil should be added in real time.

4. For concrete mixer trucks parked in the open air, the mixing drum should be rotated in the direction of discharge before loading, and the water accumulated in the cement tank should be discharged to ensure the quality of the transported concrete.

5. When driving on the road, the discharge chute is lowered and turned to a vertical position with the car body. Use a locking device to lock the discharge chute to the frame to prevent shaking due to unreliability, causing injury and disorder and affecting other vehicles run. If the step condition is not good, it will damage the tank shaft of the tank truck.

6. Before unloading, if it is found that the water evaporation, slump is low, etc. can not be full. When requested by the user, water can be added into the mixing drum appropriately, and then the material can be unloaded after rotating at a speed of 6 ~ 10r / min for 30 revolutions according to the feeding bias.

7. In the process of transporting concrete, the concrete mixer truck must not restrain the brake bomb to prevent the segregation of the concrete.

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