Single beam cranes unload test requirements

1. The operation direction and the running direction of each mechanism of the single beam crane should meet the design requirements;

2. Start the motors of each mechanism separately, the operation should be normal, and measure the no-load current;

3. The operation of each safety protection device and brake should be accurate and reliable;

4. Electrical equipment such as power distribution panels, cabinets, motors, controllers, etc., should work normally;

5. Each operation and lifting mechanism should travel at least three times along the whole track, and there should be no abnormal phenomena;

6. The mechanism for powering cables should be consistent with the speed of the operating mechanism;

7. The running direction of the two or more motor drives and the lifting mechanism should be in the correct direction, and the starting and stopping should be synchronized.