The price should be reasonable
On the premise of meeting the above requirements, the price factor will be considered.
The mechanism design is reasonable, the operation is convenient, and the discharge of concrete storage tank should be thorough
These problems often encountered in the use of concrete mixer should also be considered. For example, if the discharge is not complete, more and more concrete will be left in the tank, which will reduce the capacity of the tank and make the cleaning very difficult.
Good after sales service
Concrete mixer is a kind of special heavy-duty vehicle, with less ownership and less source of accessories. Compared with general motors, it is more dependent on the manufacturer's after-sales service. Therefore, whether the manufacturer can provide convenient, fast and reliable after-sales service is an important factor to be considered in the selection.
The loading capacity should be appropriate
Theoretically, the larger the loading capacity of concrete mixer, the higher the transportation efficiency, but it will also lead to a sharp rise in vehicle purchase cost and a decline in trafficability. The loading capacity is 8-9m38 × The specific loading capacity of concrete mixer truck with 4 chassis is 6-7m36 × 4. The price of chassis is 30% - 40%; At the same time, the construction site is generally narrow and small, the road condition of temporary construction road is very poor, and the mobility of large vehicles, especially semi-trailer, should be fully considered. Therefore, when determining the loading capacity of the vehicle, we must take all factors into consideration.
Use it reliably
After the concrete is loaded into the truck, it is required to be unloaded to the working face within 2 hours or less, during which time it must be continuously mixed; If the concrete cannot be transported to the construction site within the specified time or the mixing is stopped for various reasons, the concrete in the truck will be scrapped. In serious cases, the concrete will solidify in the truck and the truck will be scrapped. This puts forward strict requirements for the reliability of the mixer truck. It is absolutely not allowed to stop the mixer truck when it is working. Therefore, the first thing to consider in the selection of concrete mixer truck is that the truck must be very reliable. The lower the possibility of failure of key parts such as engine and transmission drive device, the better.
The concrete storage tank, inlet and outlet shall be wear resistant
Sand and gravel are the main components of concrete. They make the concrete storage tank, inlet and outlet of concrete mixer wear seriously during working. In general, the service life of concrete tanks made of low alloy steel is 50000-80000 m3, and the service life of spiral blades in concrete tanks is only 30000-40000 m3. Domestic concrete tanks are generally made of high strength low alloy steel, which is 1-2 times more wear-resistant than ordinary A3 steel. Some imported concrete tanks are made of manganese boron special wear-resistant steel and reinforced with wear-resistant materials in the easily worn parts, so their service life can be twice as long as that made of low alloy steel. It can be seen that different materials have different working life.