The prerequisite for the modification of the long reach boom of the excavator is to consider power, hydraulic pressure and counterweight balance.
What kind of excavator can be retrofitted with a long boom excavator
It is not recommended to modify the new machine, because after the long reach boom of the excavator is modified, the load of the excavator will increase, and it is easy to cause disputes with the original after-sales service before the warranty period;
It is not recommended to modify the machine below 50%, because the machine has a relatively old service life, and its performance is reduced. In addition, the extension boom itself has a certain weight, and it is difficult to exert the efficiency of the extension boom excavator. -80% of new excavators are converted into extended boom excavators.
Problems that should be eliminated when refitting old excavators with excavator extension arms
When refitting an old excavator standard arm with an excavator extension arm, we must first measure the performance of the excavator, such as whether the hydraulic output reaches a certain pressure; whether the traveling mechanism and turntable structure can carry the excavator extension arm, and how long does it carry?
The service life of the old excavator and the length of construction work have a direct impact on the performance of the excavator itself, such as no digging power, weak lifting arm, slow walking, etc. Excavators have these reasons. After being converted into extended booms, it is difficult to achieve the efficiency of the extended boom excavators.
It is best to enter the quality inspection of the excavator before refitting. Through the quality inspection, you can have a clearer understanding of the performance of your excavator before you can choose a more suitable extension arm for refitting.
Clarify the operating requirements and working conditions of the excavator's extended boom
The length of the extension arm of the excavator is directly related to the quality of the excavator and the output pressure. When we select the extension arm of the excavator, we must determine how long the long reach boom of the excavator should be according to the working environment, operation requirements, quality of the excavator, and the capacity of the auxiliary equipment such as the bucket; Construction operations often involve the three main parameters of digging height, digging depth, and working radius; while the three-stage demolition machine extension arm often involves the three main parameters of lifting height, safe working height, and working radius. Only comprehensive factors can determine how long the excavator extension arm can be equipped with.
Reference parameters of configuration length of extension boom for modified excavators of corresponding models
Two-section excavator with extended arm weight and long arm configuration:
10-16 tons machine weight can be equipped with 13m excavator extension boom;
20-22 tons machine weight can be equipped with 15.4m excavator extension boom;
20-25 tons machine weight can be equipped with 18-meter excavator extension boom;
The 26-35 tons machine weight can be equipped with a 20-meter excavator extension arm;
36-40 tons machine weight can be equipped with 22m excavator extension boom;
45-65 tons machine weight can be equipped with 26-meter excavator extension boom;
The above parameters are for reference only.
Excavator extension arms commonly used in the industry are extended at the same time, and the radius of gyration is relatively large when working. Such as 15.4 meters, 16 meters, 18 meters, 20 meters, 22 meters, 24 meters, 25 meters, 26 meters, etc. In fact, at 10-30 meters or even longer, the length of the extension arm can be selected at will.
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