Tower crane repair and maintenance of the specific work has those contents?
Tower crane repair and maintenance of the specific work has those contents?
Tower crane repair and maintenance, tower crane repair and maintenance of the specific work has those contents? Good tower crane repair and maintenance work is very important, it can improve the working efficiency of the tower crane, the timely detection of tower crane problems, to avoid the occurrence of tower crane accidents.
1. Lubrication of each transmission part: the lubrication cycle of each transmission form shall be carried out according to the general maintenance of construction machinery.
2. All transmission parts and seals in the hydraulic system shall be replaced in strict accordance with the specifications and models in the manual.
3. Maintenance of electrical system.
4. Check all cables and wires frequently. If there is any damage, bandage and replace the damaged parts in time.
5. Stop the motor or transformer in case of overheating, and continue to operate after troubleshooting. The motor bearing shall be well lubricated.
6. The control boxes should be kept clean frequently and the dust on electrical equipment should be cleaned timely.
7. The travel switch contact nods of all safety devices must be reliable, and the contact arc pit should be polished in time.
8. The grounding resistance of each detection protection shall be twice, which shall be no more than 4 ohms.
9. Other maintenance:
(1) all open drive gear and other transmission parts, such as stained with sand, mortar and other debris, must be cleaned.
(2) all electrical control boxes and linkage tables must be kept clean regularly to remove dust and dirt in time.
(3) pay attention to the inspection of each part of the wire rope whether broken wire and loose phenomenon, if exceed the relevant provisions, must be replaced immediately.
(4) in the process of transportation and installation, the metal structure shall be protected from collision damage and deformation as far as possible. In case of damage and deformation, the metal structure shall be repaired and adjusted to be qualified before installation and use, especially for the standard joint frame.
(5) in addition to daily repair and maintenance of the metal structure, regular maintenance and repair of all components of the connection bolts, every 1000 hours after use, must be tightened with a wrench. The metal structure is painted every 1-2 years
Tower crane repair and maintenance
