Crushing hammer is one of the most commonly used accessories of excavators, and it is often needed in many operations. If the crushing hammer is not used correctly, it will not only delay the construction period, but also easily break the crushing hammer. So, how should we use and cherish the crushing hammer?
1, as before driving the car, before the construction of the crushing hammer, it is necessary to check its winding. First of all, check whether the high and low pressure hose of the crushing hammer is loose, and check whether there is any oil leakage in other places.
2, when shooting, be sure to put the excavator smoothly, so as to reduce the shaking of the excavator as much as possible, so as to improve the accuracy of the hammer.
3, secondly, do not press the hammer too firmly, of course, can not play the empty hammer, that is, the hammer drill is pressed into the inner sleeve after the stone is aligned, pressing can be, do not lift the track up, so that the hammer drill after the stone is opened will be fierce down, not good for the car.
4, when the hammer hit this stone, think about which the next target is, and find the bottom hammer surface.
5, adjust the frequency of the crushing hammer according to the situation, such as: small stone blocks and cement blocks can be adjusted to speed up the frequency, if it is a large block or dead material (root), the appropriate adjustment can improve work efficiency.
6, when the block is broken, try to let the hammer forward slightly tie the sledgehammer, so that most of the stone blocks will fly forward, protecting the glass and the car seven.
7, in the cement and dead mountain with the time do not blindly down the hammer drill, so it is easy to break the hammer drill, it should be in the hammer drill into the mountain to stop the sledgehammer to do digging action, put down the floating material clean, continue...
8, often check the pressure and flow rate of the crushing system, nitrogen is sufficient, it is best to early behind the big arm shaft pin, that is, add a crushing hammer oil filter on the side of the rotary pump, and the replacement time of the filter element of the hydraulic oil inlet and oil return should be halved.
Precautions for the use of crushing hammer
Due to the working conditions of the crushing hammer are very bad, the correct maintenance can reduce the machine failure, extend the service life of the machine, in addition to timely maintenance of the host, should also pay attention to the following points:
① Check whether the bolts are loose; Whether the connecting pins are excessively worn; Check whether the clearance between the drill rod and its bushing is normal; Whether there is oil leakage during the process; If the low pressure oil seal is damaged, ask a professional to replace it.
② The lubrication point of the working device should be lubricated before operation and after each continuous operation for 2 ~ 3h.
(3) The change of hydraulic oil is different due to the different working environment, the simple way to judge the quality of the oil is to observe the color of the oil, when the oil quality is very serious, the oil should be discharged, and then injected new oil after cleaning the tank and oil filter.
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