L68B1 Mast Section Lubrication features and key parts of hoisting and transportation machinery
Hoisting and transportation machinery refers to the machinery for lifting or jacking heavy objects and carrying, transporting, loading and unloading materials on a certain line, such as tower crane, crane, elevator, elevator, conveyor, winch, carrying and loading and unloading vehicles, etc. Now let's talk about the lubrication features of hoisting and transportation machinery:
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Due to the wide range of use of hoisting and transportation machinery, the environment and working conditions are different, including indoor or outdoor environment, normal temperature and high temperature environment. Therefore, the choice of lubrication materials, lubrication methods, replacement and replenishment cycle are often very different. Therefore, for two identical equipment, different lubricating materials are often selected due to different working conditions. Some medium and small tonnage bridge and gantry cranes often adopt decentralized lubrication, some rolling bearings and sliding bearings of parts that are not easy to be oiled often adopt centralized grease supply lubrication method, and some reducers of large cranes often use centralized oil supply system, including oil bath lubrication or oil supply by oil pump.
2. The lubricating materials used in hoisting and transportation machinery usually need water resistance, high temperature resistance, low temperature resistance, rust resistance and extreme pressure resistance.
3. The selection of lubricating materials shall be in accordance with the instructions and relevant data, and shall be comprehensively considered in combination with the actual use conditions of the hoisting and transportation machinery.
4. The lubrication materials of different parts of lifting and transportation equipment are quite different. Therefore, do not mix them, otherwise it will cause equipment accidents and damage parts.
The lubrication key parts of hoisting and transportation machinery are roughly distributed as follows:
1. Thrust bearing at both ends of the hook pulley shaft and under the hook nut.
2 fix both ends of the pulley shaft (on the trolley frame).
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3 wire rope.
4. Each reducer (vertical reducer with large center distance and separate lubrication points are set at bearings 1 and 2 of high speed).
5 each gear coupling.
6. Each bearing box (including wheel set angle bearing box).
7 motor bearing.
8 each hinge joint on the brake.
9 piston part of long stroke brake electromagnet (mzsi type).
10 reverse roller.
11 cable drum, cable trailer.
12. Up and down wheel oil of grab and guide roller.
13 gear, screw rod and nodes on rail clamp.
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