扳手是一種常用的安裝與拆卸工具。為了提高工作效率，減少人工作業(yè)難度。工業(yè)上設計了種類繁多的電動扳手工具，我們常見的有沖擊扳手、扭剪扳手、定扭矩扳手、轉角扳手、角向扳手。在對于鋼結構行業(yè)，
Wrench is a common installation and removal tool. In order to improve work efficiency and reduce the difficulty of manual operation. Industrial design a wide range of electric wrench tools, we have a common impact wrench, torque wrench, fixed torque wrench, angle wrench, angle wrench. In the steel structure industry,
沖擊電動扳手主要是初緊螺栓的，它的使用很簡單，就是對準螺栓扳動電源開關就行。在腳手架搭建、基礎性工程螺栓緊固等場景中，由于其便攜性和高能率獲得終端客戶的青睞。
The impact electric wrench is mainly used to tighten the bolt initially. Its use is very simple, that is, to align the bolt and pull the power switch. In the scene of scaffold construction and bolt fastening of basic engineering, it is favored by end customers because of its portability and high energy rate.
電動扭剪扳手主要是終緊扭剪型高強螺栓的，它的使用就是對準螺栓扳動電源開關，直到把扭剪型高強螺栓的梅花頭打斷為止。
The electric wrench is mainly used to tighten the high-strength bolt. Its use is to align the bolt and pull the power switch until the quincunx head of the high-strength bolt is broken.
相對于常見的電動扳手，扭剪扳手的知名度沒有那么廣，但是作為一種高強度、高精度的螺栓緊固裝置。它已經被廣泛應用于各種城市建設、橋梁建設、水利工程等大型工程場景中。
Compared with the common electric wrench, the torsional shear wrench is not so well-known, but as a high-strength, high-precision bolt fastening device. It has been widely used in a variety of urban construction, bridge construction, water conservancy projects and other large engineering scenarios.
在各類工程施工中，螺栓的緊固都有很嚴格的力矩要求，我們拿橋梁建設來說： 螺栓緊固的精度就代表了整個橋梁工程的質量。
In all kinds of engineering construction, the bolt fastening has very strict torque requirements, we take the bridge construction as an example: the accuracy of bolt fastening represents the quality of the whole bridge engineering.
