today, Huai'an Crane Leasing Company To share with you Huai'an crane rental Common sense of safe use during operation! I hope it is helpful to you!

1、 Before crane operation

1. Before starting, carefully check whether the mechanical equipment, electrical parts and protective devices are complete and reliable.

2. Check whether the steel wire rope and connection parts meet the requirements before driving.

3. Check whether the fuel, lubricating oil, hydraulic oil and cooling water have been added sufficiently.

4. Fully check the ground conditions at the work site. The work site must have conditions that can make the crane appear horizontal.

5. Check whether the foundation is soft. If it is soft, the outrigger must be padded with wood or soil blocks that can bear the load.

6. Confirm the weight and center of gravity of the lifted object to avoid overloading.

7. According to the lifting operation curve, determine the radius of the workbench and the rated total lifting capacity, that is, adjust the length and angle of the wall rod to make it work.

8. Leave a gap between the bottom surface of the arm and the delivery.

2、 During crane operation

1. When the crane is lifting, it is necessary to sound a warning signal first and confirm the command signal before operation.

2. No one except the signalman is allowed to enter the lifting operation range.

3. You must obey the command of the signalman, but stop immediately for the emergency stop signal sent by anyone.

4. When the lifting load needs to be suspended for a long time, the drum of the drum should be locked, but it is forbidden to lock the drum when lowering the goods. When the operation stops, the lifting object shall not be suspended in the air.

5. During the lifting operation, when there is someone on the ground or the lifting piece is dropped, the bell shall ring for warning. It is forbidden to lift objects over people's heads. Lifting objects shall not be too high off the ground.

6. If two cranes lift a cargo at the same time, a special person must be assigned for unified command, and the weight of the lifted cargo shall not exceed 75% of the total weight of the two cranes.

7. The free fall operation can only be used when lowering the hook or when the lifting load is less than 30% of the load, and emergency braking is prohibited during free fall.

8. In strict accordance with the requirements of the load table, overload is prohibited.

9. During slewing operation, do not stop the rotation in an emergency to avoid danger caused by violent swinging of the hoisted object. When not rotating, lock the swing brake.

10. When the main and auxiliary booms are fully extended, the boom angle shall not be less than the small angle specified in the operating data sheet, so as to avoid the overturning accident of the whole vehicle.

11. When the adjacent vehicles meet, the speed should be slow. It is not allowed to use reversing instead of braking on site, limit device instead of parking switch, and emergency switch instead of ordinary switch.

12. When lifting heavy tonnage objects, try to lift them slightly off the ground to confirm that the lifting is stable and the braking is good, and then lift them up and run slowly. It is not allowed to operate three control handles at the same time.

13. In case of sudden power failure during lifting operation, the switch handle must be placed at "0" position. Do not leave the cab until the lifting parts are put down or the locks are unhooked.

14. When the lifting piece slides due to sudden failure during operation, emergency measures must be taken to land at a place without people.

15. In case of storm, lightning strike or gale above level 6, the bridge crane in the open air shall stop working, cut off the power supply, and the front and rear wheels shall be firmly blocked with cushion blocks.

3、 End of crane operation

1. Fully retract the boom, put it on the support, lift the hook and fix it as required, and brake the rotary table.

2. Withdraw the outrigger and fix it in strict accordance with the regulations.

3. Drive the crane back to the specified position in the parking lot.

4. Place the control handle at "0" position and cut off the power supply.

The above is Huai'an Crane Rental Company Relevant consultation for everyone, Huai'an if necessary Crane rental Welcome to call and negotiate!