Some units are equipped with electronic safety locks. When the lock is opened for internal maintenance or replacement, the control system will automatically cut off the power to ensure the safety of maintenance personnel. All transmission and actuator movements on the mixer are performed within a protective cover, effectively preventing pinching and entanglement injuries that may occur during machine operation.
Routine maintenance requires checking the system structure for normal operation and for any damage to the mixing blades. Patented technology (CN220534548U) provides a dry mortar mixer that automatically removes material adhering to the inner wall using an internal scraper, reducing the need for manual cleaning. Some designs utilize micro-grease rubber sealing technology for the mixing shaft end seal, with the bearing completely separated from the shaft end seal, facilitating maintenance of the bearings and seals. A spare sealing rubber is also designed inside the shaft end for replacement without removing the shaft end cover and shaft end seat. All mounted bearings and pin bushings on the mixer can be centrally lubricated via high-pressure oil pipes. It should be noted that high-speed operation will accelerate equipment wear. For example, the life of the fly knife bearing in a plow-type mixer is shortened by about 30% at 300 rpm compared to 200 rpm.
