Asphalt mixer safety standard
1. Small asphalt mixer
Should be set in a flat orientation, use the square wood to pad the front and rear axles, so that the tires are placed overhead, to avoid walking when starting.
2, small asphalt mixer should be implemented two-level leakage maintenance, after the power is turned on before going to work, it is necessary to carefully check, after the empty car test is considered qualified, can be used.
During the test work, it should be checked whether the speed of the mixing drum is suitable. Under normal conditions, the speed of the empty car (after loading) is slightly faster by 2~3 turns. If there is more difference, the share of the moving wheel and the transmission wheel should be adjusted.
3. The direction of rotation of the mixing drum should match the direction indicated by the arrow. If it is not true, the motor wiring should be corrected.
4. Check whether the transmission clutch and brake are flexible and reliable, whether the wire rope is damaged or not, whether the track pulley is outstanding, whether there is any obstruction around and the lubrication status of each part.
5. After starting the machine, always pay attention to whether the work of the mixer parts is normal.
When shutting down, often check if the mixer blades are bent and the screws are knocked down or loose.
6. When the concrete mixing is finished or it is estimated to stop for more than 1h, in addition to the remaining material, the stone and the clear water are poured into the shaking tube, and the rolling is started. The mortar stuck on the barrel is washed and cleaned and discharged.
There must be no water in the barrel to avoid rusting of the barrel and blades.
Together, the ash accumulated outside the mixing drum should be tidyed to keep the machine clean.
7. After work and when the machine is not in use, the power should be cut off and the switch box should be locked to ensure safety.