1.按提示把護罩擰下來
1. Screw off the shield as prompted
2.拆卸套筒
2. Remove the sleeve
3.如圖所示裝好大小彈簧和撞針
3. Install the large and small springs and striker as shown in the figure
4.將相匹配的螺桿梅花頭插入內(nèi)套筒
4. Insert the matched screw plum blossom head into the inner sleeve
5.將套筒連同螺桿一并插入機器，使內(nèi)外套筒卡入機器內(nèi)相對應(yīng)的卡槽
5. Insert the sleeve together with the screw into the machine to make the inner and outer sleeves snap into the corresponding clamping groove in the machine
6.按順時針擰緊護罩，取出螺桿，安裝安畢
Tighten the screw clockwise and install the shield 6
只有扭剪型電動扳手有內(nèi)套筒。
Only torsion shear electric wrenches have inner sleeves.
沖擊扳手適用于普通螺栓，定扭矩扳手適用于高強度螺栓(大陸角型)的初緊與終緊；扭剪扳手適用于高強度螺栓(梅花型)的終緊。
The impact wrench is suitable for ordinary bolts, and the constant torque wrench is suitable for the initial tightening and final tightening of high-strength bolts (Continental angle type); The torsion shear wrench is suitable for the final tightening of high-strength bolts (quincunx type).
注：沖擊電動扳手的工作效率較高，一般每分鐘沖擊次數(shù)1000次以上。梅花型的高強螺栓的初緊可以用定扭矩電動扳手或沖擊扳手，而一般來說大陸角型高強螺栓的施工工藝對初緊的扭矩精度要求較高，需要用相應(yīng)扭矩的定扭矩扳手來施工。
Note: the working efficiency of impact electric wrench is high, generally more than 1000 times per minute. The fixed torque electric wrench or impact wrench can be used for the initial tightening of quincunx high-strength bolts. Generally speaking, the construction technology of continental angle high-strength bolts has high requirements for the torque accuracy of initial tightening, so the fixed torque wrench with corresponding torque is needed for construction.
不需要校驗。
No verification is required.
不像定扭矩電動扳手，需要校驗扭矩的精度，是否準(zhǔn)確，扭剪型電動扳手只是將扭剪型高強螺栓的梅花頭打斷，既是完成了它的工作目的。
Unlike the fixed torque electric wrench, it is necessary to verify the accuracy of torque. The torsion shear electric wrench only breaks the plum blossom head of the torsion shear high-strength bolt, which is not only to complete its work purpose.
因為扭剪型電動扳手在使用時，將扭剪型電動扳手頭對準(zhǔn)扭剪型高強螺栓頭，扣動開關(guān)即可開始工作，幾秒后，螺栓梅花頭將被扭斷，抽出扳手扣動扳機將梅花頭彈出，即結(jié)束工作。電動扳手主要應(yīng)用于鋼結(jié)構(gòu)安裝行業(yè)，專門安裝鋼結(jié)構(gòu)高強螺栓，高強度螺栓是用來連接鋼結(jié)構(gòu)接點的，通常是用螺栓群的方式出現(xiàn)。高強螺栓可分為扭剪型和大六角型兩種，國標(biāo)扭剪型高強螺栓為M16、M20、M22、M24四種，現(xiàn)在也有非國標(biāo)的M27、M30兩種；國標(biāo)大六角高強螺栓為M16、M20、M22、M24、M27、M30等幾種。一般的對于高強螺栓的緊固都要先初緊再終緊，而且每步都需要有嚴格的扭矩要求。扭剪型高強螺栓的初緊可使用沖擊電動扳手或定扭矩扳手,而終緊使用扭剪扳手;大六角高強螺栓的初緊和終緊都使用定扭矩扳手.故各種電動扳手就是為各種緊固需要而來的。
Because when the torsional shear electric wrench is in use, align the torsional shear electric wrench head with the torsional shear high-strength bolt head, pull the switch to start working. After a few seconds, the bolt plum blossom head will be broken. Pull out the wrench and pull the trigger to pop up the plum blossom head, that is, the work will be ended. Electric wrenches are mainly used in the steel structure installation industry. They are specially used to install high-strength bolts of steel structure. High-strength bolts are used to connect steel structure joints, usually in the form of bolt groups. High strength bolts can be divided into torsion shear type and large hexagon type. There are four kinds of national standard torsion shear high strength bolts: M16, M20, M22 and M24, and now there are also two kinds of non-national standard M27 and M30; The national standard large hexagon high-strength bolts are M16, M20, M22, M24, M27, M30, etc. Generally, the tightening of high-strength bolts should be first tightened and then finally tightened, and strict torque requirements are required in each step. The impact electric wrench or fixed torque wrench can be used for the initial tightening of torsional shear high-strength bolts, while the torsional shear wrench is used for the final tightening; Constant torque wrenches are used for initial and final tightening of large hexagon high strength bolts Therefore, all kinds of electric wrenches are for various fastening needs.
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