加長臂挖掘機利用超長型動臂和超長型斗桿，可在疏浚、護岸、坡面以及地鐵建設等受地面環境限制的工況下發揮巨大的威力。當前全國各地紛紛上馬地鐵建設，為保護環境而進行的河道疏浚治污等工程也是遍地開花，因此加長臂挖掘機的市場需求很大。為此我公司制做的挖掘機加長臂，將在這個生機勃勃的細分市場占據自己獨特的一席之地。

The extended arm excavator utilizes an ultra long boom and an ultra long bucket, which can exert tremendous power in conditions limited by ground conditions such as dredging, revetment, slopes, and subway construction. Currently, subway construction is being carried out in various parts of the country, and projects such as river dredging and pollution control are also flourishing to protect the environment. Therefore, there is a great market demand for extended arm excavators. For this reason, our company's excavator with extended arms will occupy a unique position in this vibrant niche market.

一、挖掘機加長臂的使用范圍

1、 Scope of use of excavator extended arm

挖掘機加長臂有兩段式挖掘機加長臂和三段式挖掘機加長臂，兩段式挖掘機加長臂主要適用于土石方基礎和深塹挖掘作業，河道清淤；三段式挖掘機加長臂主要適用于高層建筑的拆卸等工程。根據杠桿原理和力學原理，挖掘機加長臂的受力比原來減少，應該盡量不要去重作業的場合施工。

There are two types of excavator extension arms: two-stage excavator extension arms and three-stage excavator extension arms. The two-stage excavator extension arms are mainly suitable for earthwork foundations and deep excavation operations, as well as river dredging; The three-stage excavator with extended arm is mainly suitable for dismantling and other engineering projects of high-rise buildings. According to the principles of leverage and mechanics, the force on the extended arm of an excavator is reduced compared to before, and construction should be avoided in heavy work environments as much as possible.

二、三段式挖掘機加長臂如何拆樓？

2、 How to demolish a building with a three-stage excavator and an extended arm?

主要還是看樓房高低而定，舉個例子，拆5層樓房：

It mainly depends on the height of the building. For example, demolishing a 5-story building:

必須先運來一些泥或工業垃圾墊底，使挖掘機升直沖擊錘可以夠得到樓頂。

Some mud or industrial waste must be transported to the bottom first, so that the excavator can lift the impact hammer and reach the roof.

待挖掘機開上填充物后先使其穩定，并且留有足夠的轉向空間。

After the excavator is loaded with filling material, stabilize it and leave enough turning space.

用沖擊錘垂直墻面向里打墻(距頂1米左右)，把墻打開一個洞，碎料往里推，不要讓它掉下來砸到自己。

Use an impact hammer to hit the wall vertically inward (about 1 meter away from the top), open a hole in the wall, and push the debris inward to prevent it from falling and hitting oneself.

把洞擴大，先不要動梁和柱子。把磚墻打開后就打柱子，這樣上面的梁支持不住也會往里面掉，保證自己的。按這樣的順序從上到下，往里推進。

Expand the hole without moving the beams and columns for now. After opening the brick wall, hit the pillars so that the beams above cannot support it and will fall inside, ensuring one's own safety. Push in from top to bottom in this order.