What kind of maintenance does the crawler crane need?
Safety Guide
1. Do not lift the object if it is overloaded or the weight of the object is unclear;
2. Do not hoist the command signal if it is unclear;
3. The bundling and hanging are not strong or unbalanced, which may cause sliding and failure to hang;
4. Do not lift when there are people or floating objects on the lifted object;
5. Do not lift when the structure or parts have defects or damage that may affect safe work;
6. Do not lift when there are buried objects with unclear tension;
7. Do not lift when the working area is dark and it is difficult to clearly see the site, the objects being hoisted, and the command signals;
8. Do not lift if there is no padding between the edges and corners of the object to be lifted and the binding wire;
9. Do not lift heavy objects when pulling them crookedly;
10. The crawler crane has incomplete safety devices and is unreliable and cannot be lifted.
11. Do not work where there are high voltage lines.
12. It is not possible to work on cloudy, windy or rainy days.
Maintenance
Crawler crane users should frequently inspect and maintain the crawler crane machinery in use, and formulate a regular inspection management system, including daily inspection, weekly inspection, monthly inspection, and annual inspection. The crane should be dynamically monitored to detect any abnormalities at any time. , handle it in time to ensure the safe operation of crane machinery.
(1) Daily inspection.
The driver is responsible for the routine maintenance items, which mainly include cleaning, lubrication of transmission parts, adjustment and tightening work. Test the sensitivity and reliability of the safety device through operation and monitor whether there are any abnormal sounds during operation.
(2) Weekly inspection.
It is carried out jointly by maintenance workers and drivers. In addition to daily inspection items, the main content is visual inspection, checking the safe status of hooks, retrieval devices, wire ropes, etc., as well as the sensitivity and reliability of brakes, clutches, and emergency alarm devices. Through operation Observe the transmission components for abnormal noise and overheating.
(3) Monthly inspection.
Inspections are organized by the equipment safety management department and carried out jointly with relevant personnel of the user department. In addition to weekly inspections, the main inspections are performed on the power system, hoisting mechanism, slewing mechanism, operating mechanism, and hydraulic system of the crane machinery, and replacement of wear and deformation , cracked and corroded parts, and for the electrical control system, check whether the feeder, controller, overload protection, and safety protection devices are reliable. Check the failure signs caused by leakage, pressure, temperature, vibration, noise and other reasons of the crane through test operation. Through observation, the structure, support, and transmission parts of the crane were subjectively inspected in order to understand the technical status of the crane and determine the source of the abnormal phenomenon.
(4) Annual inspection.
The leader of the unit organizes the equipment safety management department to take the lead and work with relevant departments. In addition to the monthly inspection items, it mainly conducts technical parameter testing and reliability tests on the crane equipment. Through the testing instruments, the wear and tear of the moving parts of the crane equipment and various working mechanisms is carried out. , Welds of metal structures, testing and flaw detection, and through testing of safety devices and components, the operating technical status of the lifting equipment is evaluated. Arrange overhaul, renovation, and renewal plans.
Crawler crane undercarriage parts
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