The excavator is used for this kind of excavation. In order to adapt to various kinds of excavation engineering, the long arm excavator has appeared, and the long arm is also divided into various types.
1. the sliding type plus long arm is used to make the moving body slip on the fixed body through the action of the expansion cylinder and the slide block, and the excavation can be accomplished by sliding.
2, the sliding type plus long arm has the advantages of large force, simple structure and low production cost, but its travel is small, and it is not suitable for remote excavation operations.
3, the sliding type plus long arm is made up of fixed body, moving body, slider and telescopic cylinder. It is designed in two stages and is mostly used for excavators in deep pit operations.
When the hydraulic shear of the excavator meets the problem of card death, you can try to remove the screws on the back of the hydraulic shears, and then remove the cards on the edge of the knife. In addition, the height of the cutting edge of the excavator hydraulic shears is different, and it will also cause the problem of clamping. Then it is necessary to move the grinding surface and add the proper amount of oil. When shearing metal materials, we should pay attention to metal materials only in the range of shearing capacity.
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