The Development History of Self Loading Mixer for Sale

Haomei Concrete Pumps2021-07-06

The self loading mixer for sale is developed on the basis of RMC plant. When there is no commercial concrete, the preparation of the concrete is near the construction site, and after the production is completed, it will be transported to the construction site by labor or automobile.

In order to transport concrete to the construction site quickly and efficiently, the United States successfully developed a concrete mixer truck that can transport concrete in 1926. Different with the present concrete truck, its mixing drum was placed horizontally. In the 1940s, the concrete truck with tilted mixing drums was produced.

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At the end of the 1950s, hydraulic transmission technology was widely promoted and applied. In 1963, Liebherr successfully produced a hydraulically driven mixer truck. Before the 1970s, almost all the mixing drums were driven by chain. In order to overcome the problem of short life of chain transmission, more and more manufacturers adopted gear transmission or hydraulic drive.

In order to meet the requirements of various working conditions and the convenience of operation, some large-capacity mixing drums are made into hydraulic jacking type; some put the inlet and outlet doors at the front;the mixing blades in the mixing drum were improved into spiral blades with unequal distances and unequal angles, so that the feeding, mixing, stirring and unloading performance of the mixing drum reached an ideal level.

In the mid-1980s, the United States took the lead in developing a front-loading mixer. That is the self loading concrete mixer truck that we are familiar with. It has self loading, weighing, mixing, transport and discharging.

Prior to this, the mixer drum of the mixer truck did not rotate at a constant speed. Since the power was taken from the automobile engine, the mixer drum could not rotate at a constant speed due to the influence of the engine speed, which affected the quality of the concrete. Engineering construction requires higher and higher concrete quality. In the late 1980s, a constant-speed control system was installed on the mixer truck.

The present self loading concrete mixer truck developed by Haomei Machinery had more advantages in addition to the above common improvements such as strong mixing technology, four wheel drive, industrial scale, rotating cab and 270 degree discharging. Welcome to leave message below to inquire what you need.

Original Source: https://www.self-loading-mixer.com/a/the-development-history-of-self-loading-mixer-for-sale.html

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