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How to judge the quality of concrete mixing plant of road construction machinery
August 26, 2021

In order to promote the development of modernization, roads, bridges and water conservancy are being built on a large scale all over the country. Concrete is widely used in these infrastructure construction, and road construction machinery is also particularly important in this process. In fact, the quality of road construction machinery is also one of the factors affecting the quality of concrete, so it is also worthy of attention in engineering construction.

In order to accurately judge the quality of road construction machinery, we must first ensure that the operation of the transmission system should be flexible without abnormal noise; The installation of supporting lines shall be reasonable and the installation of equipment shall be correct; The quality of cement tank is qualified; The transmission of belt conveyor, bucket elevator and cantilever shovel should be stable, the operation should be flexible, the braking can be high, there is no abnormal noise and no chain jam.

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If the road construction machinery is a self falling mixing drum, the radial runout of the discharge buckle ring shall not exceed 1% of the diameter of the feed inlet. It is also necessary to check the quality of the reinforcement of the vibrating screen screen on the mixer and the reasonable size of the screen and screen hole, and check the installation accuracy of the screen.

In addition, the safety valve of road construction machinery shall not have air leakage; The inspection of the metering system is also very important. Remember to check the sensitivity and accuracy of the metering system; Pay attention to raising the temperature to reach the temperature on the certificate of conformity; The material in and out of the metering hopper shall be smooth, and there shall be no accumulation, overflow and other phenomena.

Now that concrete is widely used in the field of engineering construction, the precautions for selecting the concrete mixing plant of road construction machinery must be borne in mind in order to ensure the quality of the project.

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