1、拨动锁头使锁头与锁套脱开
1. Pull the lock head to separate the lock head from the lock sleeve
2、按提示旋转锁套
2. Rotate the lock sleeve as prompted
3、套筒自动脱落
3. The sleeve falls off automatically
4、按图示装入撞针与大小弹簧
4. Install the striker and large and small springs as shown in the figure
5、将内外套筒装入机器并卡入机器内相对应的卡槽
5. Install the inner and outer sleeves into the machine and clip them into the corresponding slot in the machine
6、旋转锁套锁头卡入锁套缺口
6. Rotate the lock sleeve until the lock head snaps into the notch of the lock sleeve
7、安装完毕
7. Installation completed
电动扳手主要应用于钢结构安装行业，专门安装钢结构高强螺栓，高强度螺栓是用来连接钢结构接点的，通常是用螺栓群的方式出现。
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.
高强螺栓按施工工艺分为扭剪型高强螺栓和大六角高强螺栓。其连接性能和本身的力学性能都是相同的，仅外形不同，都是以扭矩大小确定螺栓的轴向力大小。
According to the construction process, high-strength bolts are divided into torsional shear high-strength bolts and large hexagon high-strength bolts. Its connection performance and its own mechanical properties are the same, but the shape is different. The axial force of the bolt is determined by the torque.
紧固高强螺栓必须先初紧、后终紧，而初紧一般是紧固扭矩的一半，终紧就要紧固到扭矩值。大六角高强螺栓和普通螺丝外观相似，初紧可以用冲击扳手等，终紧必须用定扭矩电动扳手;而扭剪型高强螺栓前头有一段梅花头，初紧可以用冲击扳手，终紧必须用扭剪型电动扳手，电动扭剪扳手可以比较准确地控制拧紧扭矩，利用螺栓定扭矩，当扳手达到一定扭矩时即可剪断螺栓的梅花头部分。其扭矩精度和轴向拉力是靠螺栓的定扭矩V型切口来保证的。
The high-strength bolts must be tightened first and then finally. The initial tightening is generally half of the maximum tightening torque, and the final tightening must be tightened to the maximum torque value. The appearance of large hexagon high-strength bolt is similar to that of ordinary screw. Impact wrench can be used for initial tightening, and constant torque electric wrench must be used for final tightening; There is a section of plum blossom head in front of the torsion shear high-strength bolt. The impact wrench can be used for initial tightening and the torsion shear electric wrench must be used for final tightening. The electric torsion shear wrench can accurately control the tightening torque and use the bolt to set the torque. When the wrench reaches a certain torque, the plum blossom head part of the bolt can be cut off. Its torque accuracy and axial tension are guaranteed by the constant torque V-notch of the bolt.
电动扭剪扭扳手配有内外两个套管，外套筒扭螺母，对螺栓施加扭矩，内套筒方向扭梅花头，两个扭矩大小相等，方向相反，尾部梅花头拧掉，读出预拉力值。轻量型电动扭剪扳手：体积小、重量轻、距小适合狭窄空间操作。
The electric torsion shear wrench is equipped with two inner and outer sleeves, and the outer sleeve is used to twist the nut to apply torque to the bolt. The inner sleeve is used to twist the plum blossom head. The two torques are the same and the direction is opposite. Until the plum blossom head at the tail is screwed off, read out the pre tension value. Light weight electric torsion shear wrench: small volume, light weight and small center distance, suitable for operation in narrow space.
强力型电动扭剪扳手；速度快、扭矩大、刚性强，适合摩擦系数大和超高强螺栓的紧固。
Powerful electric torsion shear wrench; Fast speed, large torque and strong rigidity, suitable for fastening bolts with large friction coefficient and ultra-high strength.
转向电动扭剪扳手：机械部分可0-360度旋转，适合狭窄空间操作。
Steering electric torsion shear wrench: the mechanical part can rotate 0-360 degrees, which is suitable for operation in narrow space.
角向电动扭剪扳手：用于普通扳手无法达到的位置，如刚结构U型拐角、架构连接处以及一些狭窄部位的连接，体积小、重量轻。
Angle electric torsional shear wrench: it is used for positions that cannot be reached by ordinary wrenches, such as U-shaped corners of rigid structures, connections of structures and connections of some narrow parts. It has small volume and light weight.
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