CAMC International: Electric Concrete Mixer Truck, Standardized Use To Ensure Efficient Operation

With the continuous promotion of low-carbon transformation in the global infrastructure industry, new energy engineering equipment is gradually replacing traditional fuel vehicles. CAMC electric concrete mixer truck, relying on mature three electric systems and stable mixing equipment, has been widely used in urban infrastructure, municipal engineering, and green building materials projects. Compared to traditional mixer trucks, electric vehicle models have significant advantages in energy consumption, noise, and emissions, but the electrified structure brings new requirements for operation, maintenance, and safety. Correctly mastering the key points of vehicle use can not only fully leverage the performance advantages of electric mixer trucks, extend the service life of the entire vehicle, but also avoid safety risks and ensure continuous construction on the construction site.

1、 Pre departure inspection: Dual verification of the three electrical systems and mixing mechanism

The inspection of electric mixer trucks is divided into two parts: the chassis three electric system and the mixer upper assembly. It is not enough to only focus on the mixing tank and ignore core components such as batteries and motors.  

Before starting the vehicle, first check the status of the power battery, confirm that the SOC level meets the requirements for commuting to and from the construction site and work, check for any scratches or leaks on the battery pack casing, ensure that the high-voltage harness connectors are intact, and that the insulation alarm indicator light is normal. Subsequently, upon checking the dashboard fault code, there were no alarm prompts for the power motor and electronic control system.  

For the mixing tank body, check the lubrication condition of the mixing reducer, supporting wheel, and raceway, confirm that there is no residual agglomerated concrete in the tank, the discharge chute and feeding hopper are firmly connected, and the locking mechanism is intact. Synchronize verification of routine items such as tire pressure, braking system, lighting, and reversing image.  

Key note: In low-temperature environments, prioritize turning on the battery preheating function and wait for the battery to reach the appropriate working temperature before starting to avoid damage to the battery caused by low-temperature high current discharge; It is strictly prohibited to forcefully drive while the battery is in an alarm state.

2、 Operation during driving phase: smooth driving, protecting the core components of the three electric systems

Electric mixer trucks have a larger weight and a higher center of gravity when loaded with concrete. Coupled with the weight distribution characteristics of the battery, there are significant differences in driving operation compared to fuel mixer trucks.  

To start the vehicle, it is necessary to step on the power button gently and avoid sudden acceleration or sudden steering. Concrete is a liquid material, and the shaking of the tank can change the center of gravity of the vehicle. Sharp turns and high-speed braking can easily cause the risk of skidding. Try to maintain a constant speed while driving, make reasonable use of the kinetic energy recovery system, predict road conditions in advance, and reduce frequent braking.  

Continuously monitor instrument information during driving and monitor battery temperature and voltage in real-time. If a high-voltage system alarm occurs, immediately reduce the speed, choose a safe area to pull over, cut off the high-voltage power supply, contact technical personnel for troubleshooting, and prohibit unauthorized opening and maintenance of high-voltage components.  

Drive on muddy and bumpy roads on the construction site, reduce the speed to prevent the chassis from scratching the battery pack. The battery pack is the core and valuable component of an electric mixer truck. Once the outer shell is damaged, it can directly cause leakage and short circuit faults.

3、 Construction site unloading operation: control the speed of the tank body and standardize the unloading process

After arriving at the construction site, the vehicle needs to be parked on a flat and solid ground, the handbrake should be pulled to fix the vehicle, and then the unloading operation can be carried out.  

The mixing tank should maintain low-speed rotation during transportation to prevent concrete segregation. Before unloading, first rotate the tank at low speed to mix the concrete evenly, and then slowly switch to reverse for unloading. It is strictly prohibited to start and stop the tank at high speed or switch between forward and reverse directions quickly. Severe impacts can damage the gearbox and drive motor, as well as cause concrete segregation and affect the quality of pouring.  

Control the angle of the discharge chute during unloading, and personnel should stand on the side to operate. It is forbidden to face the discharge port directly to prevent injury from concrete spraying. After unloading, rinse the feeding hopper, tank mouth, and unloading chute in a timely manner to clean the attached concrete. If concrete is left in the tank for a long time to solidify, it will significantly increase the load on the motor, and in severe cases, cause the mixing mechanism to jam.  

Do not leave the tank idle at full load for a long time during homework intervals, and keep the tank rotating at low speed; If the work is suspended for a long time, promptly empty the remaining materials in the tank.

4、 Charging management: scientific energy replenishment, extending the life of power batteries

Charging is a crucial step in the daily use of electric mixer trucks, and standardized charging directly determines the battery's service life.  

Prioritize the use of high-power DC charging stations that match the vehicle. Before charging, check if the charging gun and cable are damaged, and if the interface is free of water and mud. Be well protected when charging on rainy days, and do not connect the gun head when it is damp. During the charging process, personnel should not stay too far away, observe the charging parameters in real time, and stop charging immediately if any abnormalities occur.  

Try to maintain the battery level between 20% and 80% during daily use, and do not always drain the battery before recharging; Long term parking of vehicles, maintain a battery level of 40% -60%. In hot summer, avoid direct exposure to the sun at noon and quickly charge the battery. Wait for the battery to cool down before replenishing energy; Reasonably use the preheating function in winter to improve charging efficiency.  

It is prohibited to modify charging circuits or replace non original charging accessories without authorization to prevent the risk of high voltage fire.

5、 Daily maintenance and safety taboos

The maintenance of electric mixer trucks is divided into routine maintenance and specialized maintenance of high-pressure systems. Lubricating grease should be added periodically to the mixing roller, raceway, and reducer; Regular inspection of chassis braking and suspension. The maintenance of the high-voltage three electric system must be carried out by certified professionals. After cutting off the power and waiting for the high-voltage capacitor to discharge, the maintenance work can be carried out.  

Daily usage taboos: It is strictly prohibited to rinse the battery pack, electronic control, and motor high-voltage compartment directly with water; Overloading the transportation of concrete is prohibited. Overloading not only exacerbates tire and chassis wear, but also causes the motor to continue operating under overload, accelerating battery degradation; After a battery collision, the vehicle cannot be used anymore and must be inspected at the factory.

6. Summary

CAMC electric concrete mixer truck is a new energy equipment designed for green infrastructure, which combines environmental protection, low noise, and low-cost operation advantages. The core of its usage management lies in balancing the safe operation of mixing and installation with the protection of the three electrical systems. Careful inspection of the vehicle, smooth and controlled driving speed, standardized unloading at the construction site, and scientific charging and maintenance are necessary to implement standardized operations in every transportation task, in order to continuously realize the value of electric mixer trucks, reduce downtime failures, and stably transport concrete for various engineering projects.