Tower Crane Operation Safety Rules
Tower Crane Operation Safety Rules
Summary of operation rules of tower crane safety technology
Article 22 operation rules of tower crane safety technology
1. The use of all types of tower cranes must be determined by personnel, machine and post responsibilities. Equipped with 1-2 drivers and more than 2 command personnel and maintenance workers (form a unit), united, unified command.
2. the tower crane before the operation of the provisions, the mechanical adjustment, fastening, lubrication and corrosion prevention. Always check tower verticality <4%.
3. Check the good condition of the tower body and the firmness of each connection screw every half a month, check the good condition and lubrication condition of each transmission structure part of the machine, and add lubricating grease according to the provisions of the manual for maintenance.
4. Check whether the voltage meets the standard of 380V, and the variation range shall not exceed 5% (>360V), and check whether there is electricity leakage in the tower body.
5. Before the operation of the tower crane, no-load and heavy-load operation tests shall be carried out, and the electrical safety devices, limit devices and alarm indicating system shall be checked frequently to see whether they are complete and effective.
6. the tower crane to check the insulation resistance of the motor is in accordance with the provisions, whether the earthing resistance < 4 Ω.
7. Operators and commanders must communicate with each other in accordance with signals, gestures, whistles or walkie-talkies, obtain coordination and follow the command. The operator has the right to refuse to carry out the operation in the event of an error in command and a possible accident, and to report the situation immediately.
8. Overload use is strictly prohibited when lifting heavy objects.
9. no command in the evil, command signal is unknown, more than six wind, cable-pull, inclined crane, lift buried in the ground or other objects on the object, the tower crane driver is strictly prohibited to operate.
10. No matter with or without safety devices and equipment, it is strictly prohibited for anyone to lift with the crane.
11. The operation control must start from the "0" position and shift gears step by step. Overgear operation is strictly prohibited. Reverse operation must be placed in the "0" position to stop the operation of the machine, and then turn to start operation, direct reverse operation is strictly prohibited to strive for balance, is strictly prohibited to start and stop in a hurry, and is strictly prohibited to start after drinking.
12. Signal shall be sent before operation, and then stop the heavy object about 0.5m from the ground, and brake hook shall be determined. Only when there is no problem with the binding of the heavy object, can the operation be conducted.
13. Inflammable articles shall not be stored in the tower crane cab, and reliable fire fighting equipment shall be provided.
14. When the tower crane is dealing with electrical fault, more than two electrical repairmen must participate.
15. tower crane lifting operation, mechanical failure, should try to put the weight down, cut off the power supply, before repair.
16. tower crane in the power failure, where work should be stopped, the weight should be removed, not suspended in the space.
17. No one is allowed to stay under the lifting weights within the operation range of tower crane for passing irrelevant personnel.
18. During the operation of tower crane, it is forbidden for anyone to adjust and overhaul the tower crane by getting on and off the tower crane.
19. Tower crane boom and lifting weights must be kept at a safe distance from high and low voltage power lines. (3m from low pressure >, 10m from high pressure >)
20. The steel wire ropes on the drum of tower crane shall not be less than three turns. The steel wire ropes shall be arranged neatly on the drum and always keep oil moist.
21. When the tower crane operator stops working, he/she should put the rotation in the state of wind lift, put the main hook away, take back the trolley, put each operating handle at the position of "0", and turn off the general power supply.
22. The tower crane driver shall carefully record the operation and shift of the tower crane before leaving the post. See the operation manual for the maintenance method.
