The crane is the mechanical equipment, which is used to lift various objects above the workshop, warehouse and open yard, etc. It is most widely used lifting machinery in mechanical industry, metallurgical industry and chemical industry. What should drivers pay attention to in different models and operation?
AQ-QD Various Double Girder Overhead Crane Types Parameters
- Lifting capacity: 5-450t
- Span:10.5-31.5m
- Lifting height:6-24m
- Lifting speed: 2.1-11.5m/min
- Trolley speed:27-40m/min
- Crane speed: 42-75m/min
- Duty: A3-A7
- Customized service
How to Operate Overhead Crane Safely?
- The driver need understand the structure, performance, working principle and main technical parameters of the crane.
- They need to master the function of the safety device and the correct operation method.
- The crane trolley should be slowly near the end point.Under normal circumstances, it is forbidden to hit the safe stop gear. And, it is forbidden to use the limit device to control the mechanism to stop.
- It is strictly forbidden to hoist flammable and explosive dangerous goods, and special hanging cages, which must be used for lifting oxygen cylinders and acetylene cylinders.
Safety Operation About Overhead Crane
It is necessary to stop at the safety repair position when cooperating with the maintenance personnel. The driver should follow the command of the maintenance personnel. When starting any work system, the driver should go to the site in person to confirm that after all personnel have been evacuated to a safe position. The users need to follow the rules to run the test to ensure the safety of others.
How to Deal With Overhead Crane Operation Problems?
In the event of an accidental power outage and heavy lifting in mid-air or serious equipment accidents, if the personal injury and dangerous accidents, the crane driver shall stop immediately to notify the squad leader. Except under special circumstances, the users should not to leave the scene and wait for instructions from the superior to deal with them accordingly.
No one is allowed to pull up or down until the parking space is stable. It is forbidden to cross another car from one car. It need to clean the equipment before shift and check the operation of each organization. the users need to prepare for the next shift. people do not go up from the narrow box type trolley track beam.
Conscientiously it implements the handover system. The driver needs the operation of the handover equipment, and the safety device in good condition.
| Technical Parameter of AQ-QD Double Girder Overhead Crane | |||||||
| Capacity | t | 5 | 10 | 16 | 20 | 32 | 50 |
| Span | S(m) | 10.5~31.5 | 10.5~31.5 | 10.5~31.5 | 10.5~31.5 | 10.5~31.5 | 10.5~31.5 |
| Lifting height | m | 6~16 | 6~16 | 6~16 | 6~16 | 6~18 | 6~16 |
| Lifting speed | m/min | 11.5 | 8.5 | 7.9 | 7.2 | 6 | 6 |
| Trolley speed | m/min | 37.2 | 37.4 | 40.1 | 40 | 37 | 31.3 |
| Crane speed | m/min | 70.6 | 70.6 | 74.3 | 75.1 | 64.9 | 58.5 |
| Work duty | A3~A7 | A3~A7 | A3~A7 | A3~A7 | A3~A7 | A3~A7 | |
| Track type | P38 | P38 P43 | P43 | P43 | QU70 | QU80 | |
| Capacity | t | 75 | 100 | 125 | 160 | 200 | 250 |
| Span | S(m) | 10.5~31.5 | 13~31 | 13~31 | 13~31 | 13~31 | 13~31 |
| Lifting height | m | 6~20 | 6~20 | 6~20 | 6~22 | 6~20 | 6~20 |
| Lifting speed | m/min | 3.9 | 3.1 | 3.9 | 3.5 | 2.6 | 2.2 |
| Trolley speed | m/min | 31.3 | 33.6 | 33 | 40 | 32 | 32 |
| Crane speed | m/min | 61 | 61.8 | 62.3 | 68 | 48 | 50 |
| Work duty | A3~A7 | A3~A7 | A3~A7 | A3~A7 | A3~A7 | A3~A7 | |
| Track type | QU100 | QU100 | QU100 | QU120 | QU120 | QU120 |
| Capacity | t | 300 | 350 | 400 | 450 |
| Span | S(m) | 13~31 | 13~31 | 13~31 | 13~31 |
| Lifting height | m | 6~24 | 6~24 | 6~24 | 6~24 |
| Lifting speed | m/min | 2.4 | 2.2 | 2.6 | 2.1 |
| Trolley speed | m/min | 28 | 28 | 31 | 27 |
| Crane speed | m/min | 42 | 42 | 45 | 42 |
| Work duty | A3~A7 | A3~A7 | A3~A7 | A3~A7 | |
| Track type | QU120 | QU120 | QU120 | QU120 |
Overhead Crane Driver Operation
- The operator shall master the performance, use and safety of all parts of the crane, be able to operate and maintain the equipment correctly, and be familiar with all kinds of hoisting knowledge and command signals.
- The basic requirements of the operator should be stable, accurate, fast, safe and reasonable on the premise of strictly observing all kinds of rules and regulations.
- Before the operation, the operator should strictly abide by the handover system and do the handover work well. Before operation, the users need to make a comprehensive inspection of the crane. After confirming that everything is normal, before sending the electric switch, the users need to carry out the empty car trial operation on various institutions, and check the reliability of various safety devices.
- In operation, the personnel shall direct the operation, but the stop signal to anyone must be executed immediately.
- After the crane work, the hook should be raised to a higher position. The hook is not allowed to hang the hoist or hoist. The handle back to zero. After the power off fill in the shift record, the users need to close the door of the operation room to get off.
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