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Concrete mixer truck with conveyor belt (ABS, auto-mixer, concrete mixer) is a truck equipped with a rotating tank for transporting concrete mix. The use of such a transport is stipulated by clause 7.2 of GOST No. 7473/94 “Concrete mixes. Those. conditions".

According to him, the methods of transportation of concrete should prevent:
- precipitation hit on it;
- violation of the homogeneity of the mixture (homogeneity);
- material loss during loading / unloading,
- exposure to it by the rays of the sun and wind.
ABS device

All auto mixers are equipped with drums having an oblong shape. This capacity is mounted on the car at an angle of 10/15 °.
Machine design
- The uniformity and preservation of the solution during its delivery ensures the rotation of the drum.
- Inside it are spiral blades.
- Rotating in one direction during loading and delivery, they drive the mixture deeper into the tank. When moving the blades in a different direction (the principle of the “Archimedes screw” is used), the concrete is unloaded.
Note! The device of the concrete mixer is such that the solution can be prepared in it. To do this, you need to load fillers, water and cement into the drum.
- When unloading, the solution under pressure is pushed out of the drum and flows down the trays to the work site. There are two such devices: the mixer itself is equipped with one, the workers install the second from the construction site.
If the car is not an all-terrain vehicle, then the ABS often cannot drive to the work site for the required distance. In this case, the trays can not reach the unloading site. Then special devices are attached to the concrete mixer.
Solution feed

The mixer can supply the mortar to the construction site with the help of such devices:
- standard or extended tray for concrete;
- conveyor belt;
- pipes;
- betononasosa;
- PUMIK.
Elongated trays are used when unloading the plant solution for a length of up to 7 m. They are pulled out with the help of hydraulics. The pipe can be connected to a standard ABS tray, 3 m long.
It can also increase the length of the concrete supply up to 7 m.
- Conveyor belts have the appearance of a rubber track with a width of 0.4 and a length of 10/14 m. They work according to the conveyor principle.
- The instruction says that they are capable of feeding the mixture to a height of up to 4 m.
- Such a device can be rotated left / right at right angles.

The concrete mixer truck with concrete pump is equipped with a folding boom and can pump the solution horizontally and vertically. The boom length, depending on the mixer model, can reach 60 m. The length of the concrete supply can be increased with the help of additional 5 m long hoses. They can be placed up to 4 pieces. Unit capacity up to 80 cubic meters per hour.
Conditions for the successful operation of the ABS with a pump are as follows.
- To install the device, you need a solid platform, based on the carpool model - from 9–12 m to 12–15 m.
- It is desirable that the construction object has water for technical washing of the unit and a place under its drain.
- To interrupt the flow of the solution can be no more than half an hour. At temperatures less than -5 or above +25 degrees there should be no interruptions.
- The unit may be supplied with a concrete of grade not lower than M-200 (class B-15), having a plasticity up to P-4.
PUMIK is a machine that combines an truck mixer and a concrete pump. It can pump the mixture to heights of up to 28 m, with a range of 24 m.
Note! To install the unit does not need a spacious platform. To work the machine requires a solid ground and the free space around it.
Variety Truck Mixers
Models of auto-mixers are distinguished by several parameters.
Machine classification

- Type of motor. The engine can be autonomous or mounted on the chassis. The first type makes it possible to mix concrete in the event that the car itself broke down. Based on this, experts consider an autonomous motor the most reliable. Engines mounted on the chassis are lighter and more environmentally friendly, they make little noise.
- Capacity Mixer Drive. Previously, ABS equipped with its mechanical type. Nowadays, modern technologies make it possible to install a hydraulic drive on the unit.
- Unloading method can be rear and front. The first method is more common, because it makes it possible to drive closer to the unloading point and deliver concrete precisely. Front unloading gives the driver the ability to control the process right from the cab.
- The size of the drum is one of the main characteristics of the machine. The smallest - concrete mixer 2 m3. The standard largest mixer volume is 12 cubic meters.
Machine Specifications

Technical characteristics of the concrete mixer take into account the following indicators.
- The maximum amount of solution that can be loaded into the drum.
- Maximum concrete weight (with fully filled water tank).
- Curb weight of mixing device. It takes into account the load on the rear and front axles or axles.
- The total weight of the car and all special devices.
- Water tank capacity.
As already mentioned, the model range of mixers represents 10 types of ABS, equipped with drums for 2/12 cubic meters. To order, you can purchase the largest concrete mixer, which is capable of transporting 15 cubic meters of mortar at a time. However, the price of such a machine is quite high.
Note! Many modifications can be applied to standard models of auto-mixers. They can relate to hydraulic transmission, installation of water tanks of different sizes, drum mixers. Changes can improve the management of ABS, autonomous engine, water supply.
The most common brands of mixers

Mixing and additional equipment can be installed on the chassis of a car of Russian or foreign production.
The most high-quality and popular domestic models of mixers are assembled on the basis of such brands of machines:
- KamAZ;
- The Urals;
- KrAZ
- MAZ.
Most often, ABS is assembled on the KAMAZ / 6520 chassis, since its technical characteristics are optimal for equipment installation.
The most popular models of foreign mixers:
- MAN;
- Ford;
- Volvo;
- Mercedes Benz;
- Scania;
- Iveco;
- Renault.
Conclusion
Mixers are a modern and effective means of delivering high-quality factory concrete to construction sites. If the amount of work is large, you can immediately order a concrete mixer 12 m3. If it is small, then the ABS and 2/5 cubic meters will do. The video in this article will complement the information provided.