Precautions for installation of high-strength bolts

1、當天安裝的高強螺栓，當天終擰完畢；

1. The high-strength bolts installed on the same day shall be finally screwed on the same day;

2、螺栓穿入方向以方便施工為準，每個節(jié)點整齊一致；

2. The bolt penetration direction shall be subject to the convenience of construction, and each node shall be neat and consistent;

3、高強螺栓超擰時應(yīng)更換，并不得重復(fù)使用；

3. Replace the high-strength bolts when they are over tightened, and do not reuse them;

4、安裝中的錯孔、漏孔不得用氣割開孔，錯孔補焊后砂輪打磨，重新鉆孔；

4. Gas cutting shall not be used to cut the wrong holes and leaks during installation. After the wrong holes are repaired and welded, the grinding wheel shall be polished and the holes shall be drilled again;

5、螺栓、螺母及墊圈應(yīng)放在專用工具袋內(nèi)，嚴防高空墜落；

5. Bolts, nuts and washers should be placed in special tool bags to prevent falling from height;

6、安裝用螺栓不得用高強螺栓代替。

6. Bolts for installation shall not be replaced by high-strength bolts.

電動扭剪扳手使用效果：

Use effect of electric torsion shear wrench:

1、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(guān)就行。電動扭剪扳手主要是終緊扭剪型螺栓的，它的使用就是對準螺栓扳動電源開關(guān)，直到把扭剪型螺栓的梅花頭打斷為止。

1. The impact electric wrench is mainly used to initially tighten the bolt. Its use is very simple, that is, just aim at the bolt and pull the power switch. The electric torsion shear wrench is mainly used to finally tighten the torsion shear bolt. Its use is to align the bolt and pull the power switch until the Torx head of the torsion shear bolt is broken.

2、電動定扭矩扳手既可初緊又可終緊，它的使用是先調(diào)節(jié)扭矩，再緊固螺栓。電動轉(zhuǎn)角扳手主要也屬于定扭矩扳手的一種，它的使用是先調(diào)節(jié)旋轉(zhuǎn)度數(shù)，再緊固螺栓。電動角向扳手是一種專門緊固鋼架夾角部位螺栓的電動扳手，它的使用和電動扭剪扳手原理一樣。電動扭剪扳手拆裝扭力矩大、比手工更保險可靠。方便、美觀、實用、便于隨車攜帶。廣泛用于鋼結(jié)構(gòu)橋梁、廠房、高層建筑、化工建設(shè)等設(shè)施的施工作業(yè)。

2. The electric constant torque wrench can be used for initial tightening and final tightening. Its use is to adjust the torque first, and then tighten the bolts. Electric angle wrench mainly belongs to a kind of constant torque wrench. Its use is to adjust the rotation first, and then tighten the bolt. The electric angle wrench is an electric wrench specially used to fasten the bolts at the included angle of the steel frame. Its use is the same as that of the electric torsion shear wrench. The electric torsional shear wrench has a large torque for disassembly and assembly, which is safer and more reliable than manual. Convenient, beautiful, practical and easy to carry with the car. It is widely used in the construction of steel structure bridges, workshops, high-rise buildings, chemical construction and other facilities.

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