在现代工程建设中的、国内不段的加强市政建设、地铁城际交通普级完善、河道清理修建等都须要大量的工程机械设备，而这样标准型的机械设备又完成不了特殊化的工程作业，所以非标准产品这里都有了大展神威的特殊功能，非标华体会国际 利用超长型动臂和超长型斗杆，能完成标准臂无法达到的距离。
In modern engineering construction, a large number of engineering machinery and equipment are required for the strengthening of municipal construction, the general improvement of subway intercity transportation, and the cleaning and construction of river channels in the country and at home. However, such standard machinery and equipment can not complete specialized engineering operations, so non-standard products have special functions to show their great prestige here, The non-standard extended boom excavator can complete the distance that the standard boom cannot reach by using the super long boom and super long stick.
钩机加长臂主要适用于混凝土等建筑搬运及河道疏通清淤工程及建筑基础、河道、深沟等土石方挖掘作业，通过在原挖掘机的基础上安装加长臂，可在疏浚、护岸、坡面以及地铁建设等受地面环境限制的工况下发挥巨大的威力。使挖掘机限度的发挥其用途，广泛用于各种特殊施工作业，使效率和性更高。
The hook machine lengthening arm is mainly applicable to concrete and other building handling, river dredging and desilting works, and earthwork excavation operations such as building foundation, river channel and deep ditch. By installing the lengthening arm on the basis of the original excavator, it can play a great power under the working conditions limited by the ground environment, such as dredging, revetment, slope and subway construction. The excavator can maximize its use and is widely used in various special construction operations to improve efficiency and safety.
但改装过后的钩机加长臂产品好不好用，挖掘机是否能承受，都在一些客户心中打了一个大大问号。
However, whether the modified hook machine lengthening arm product is easy to use and whether the excavator can bear it have made a big question mark in the hearts of some customers.
经过我司的技术研究，一般只要不超出挖掘机的承受范围。使用方面都没问题，例如一台200机，更多加长到18米，一些客户却要加长到20米甚更长，那就已经超出了挖掘机能承受的范围。使用中就会出现一系列问题。
After our professional technical research, generally as long as it does not exceed the bearing range of the excavator. There are no problems in use. For example, a 200 machine can be lengthened to 18 meters at most, but some customers have to lengthen to 20 meters or even longer, which is beyond the range of the excavator. There will be a series of problems in use.
对于改装加长臂之后，有客户客户直接使用时就出现了憋车现像，是什么导致这个原因呢？
After refitting the extended arm, some customers hold the car when they use it directly. What causes this?
其实是一个很简单的杠杆原理，憋车的根本原因就是负载过大，超过的发动机能够提供的动力。
In fact, it is a very simple lever principle. The fundamental reason for holding the car is that the load is too large and exceeds the power that the engine can provide.
同样的负载，经过改装加长臂的杠杆加力，负载增加了，同时加长臂本身的重量就比普通臂大，而发动机和泵的参数没有调整，自然会憋车。
For the same load, after refitting the lever of the lengthening arm, the load increases. At the same time, the weight of the lengthening arm itself is larger than that of the ordinary arm, and the parameters of the engine and pump are not adjusted, so it will naturally choke the car.
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