Emergency treatment methods for common faults of tower cranes in Guangxi


发布时间:

2021-03-11 09:41

1. The tower crane foundation sinks and tilts. Emergency measures for this situation:

(1) The operation should be stopped immediately, and the slewing mechanism should be locked to limit its rotation.

(2) Set ground anchors according to the situation to control the inclination of the tower crane. Guangxi tower cranes are often leased

2. The tower crane balance arm and the boom folding arm Emergency measures in this situation:

(1) The tower crane cannot do any action.

(2) According to the rescue plan, use welding and other means according to the situation to reinforce the tower crane structure, or use the connection method to connect the tower crane structure with other objects to prevent the tower crane from tipping over and accidents during the demolition process.

(3) Use 2-3 cranes with appropriate tonnage, one for locking the boom and one for locking the balance arm. One of them acts as a balancing moment when the arm is dismantled to prevent overturning due to sudden changes in force.

(4) According to the order specified in the rescue plan, remove the deformed connecting piece in the connecting piece of the boom or balance arm, cut it with gas welding, and take off the boom with a crane; ⑤ Remove the tower crane according to the normal tower dismantling procedure , In case of deformation, the structure is cut by steam welding. 3. Emergency measures in this case:

(1) Adopt welding and connection methods to increase the balance moment without destroying the unstable force and control the development of dangerous situations.

(2) Select the appropriate tonnage crane to dismantle the tower crane according to the rescue plan, and cut or adjust the deformed parts by gas welding.

4. Dangerous situation of anchoring system Emergency measures for this situation:

(1) Correspond the tower balance arm to the building, and the boom process should be stable and locked. Guangxi tower cranes are often rented out

(2) Reinforce the tower crane anchoring system.

(3) If it is necessary to replace the components of the anchoring system, first lower the tower crane to the specified height, and then replace the components.

5. The tower body structure is deformed, fractured, and welded. Emergency measures for this situation:

(1) The tower balance arm should be corresponding to the deformed part, and the turning arm should be stable and locked.

(2) Use welding and other means according to the situation to deform or break the tower crane structure, and strengthen the welding parts.

(3) Drop the tower to replace the damaged structure.

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