扭剪螺栓專用扳手主要是終緊扭剪型高強螺栓的，它的目的就是把扭剪型高強螺栓的梅花頭打斷即可。工作時將扳手頭對準螺栓頭，扣動開關(guān)即可開始工作，幾秒后，螺栓梅花頭將被扭斷，然后抽出扳手扣動扳機將梅花頭彈出，即結(jié)束工作。

　　The special wrench for torsion shear bolts is mainly used for final tightening of torsion shear high-strength bolts. Its purpose is to break the plum blossom head of the torsion shear high-strength bolt. When working, align the wrench head with the bolt head, press the switch to start working. After a few seconds, the bolt ring head will be twisted and broken. Then, pull out the wrench and pull the trigger to eject the ring head, which ends the work.

　　電動扭剪螺栓專用扳手特點

　　Characteristics of electric torque shear bolt special wrench

　　1、輕便靈活，使用方便；

　　1. Lightweight and flexible, easy to use;

　　2、扭剪速度快，可明顯提高勞動效率；

　　2. The twisting and shearing speed is fast, which can significantly improve labor efficiency;

　　3、采用高強度鋼，產(chǎn)品堅固耐用，不易破損；

　　3. Made of high-strength steel, the product is sturdy, durable, and not easily damaged;

　　4、通用性強，適合M16/M20/M22/M24螺栓

　　4. Strong versatility, suitable for M16/M20/M22/M24 bolts

　　扭剪螺栓專用扳手主要應(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。高強螺栓可分為扭剪型和大六角型兩種，國標扭剪型高強螺栓為M16、M20、M22、M24，非國標的扭剪型螺栓有M27、M30兩種。一般的，對于扭剪型高強螺栓的緊固都要經(jīng)過初緊和終緊兩個步驟，而且每步都需要有嚴格的扭矩要求。在實踐中，操作人員緊固扭剪型高強度螺栓時，一般是先采用沖擊扳手或定扭矩扳手完成初緊，然后再利用扭剪螺栓專用扳手完成終緊。在實際操作環(huán)境下，鋼架連接結(jié)構(gòu)上需要使用多個螺栓，形成了螺栓集群，若將螺栓一個一個地按順序一次性完成緊固，會產(chǎn)生無法均等緊固的問題，正確的操作方式為先將螺栓集群的每一個螺栓進行一次緊固，即初緊，當一次緊固完成時，所有的螺栓達到了基本相同的一次緊固扭矩，然后再將螺栓進行終緊固，直到扭剪型螺栓的頸部被剪斷為止。現(xiàn)有的扭剪型電動扳手可分為初緊扭剪型電動扳手和終緊扭剪型電動扳手，它們通常都只有一種傳動比輸出?，F(xiàn)有的初緊扭剪螺栓專用扳手的扭矩控制范圍小，無法同時覆蓋初緊和終緊高強度螺栓的扭矩需求，而現(xiàn)有的終緊扭剪型電動扳手，對扭矩不加控制，以扭剪斷扭剪型高強度螺栓頸部為準，無法用于初緊高強度扭剪型螺栓。由此，對扭剪型高強度螺栓施工，需要一把初緊扭剪型扳手，通?？捎脹_擊扳手或定扭矩扳手替代，還需要一把終緊扭剪型扳手，這樣增加了用工成本，還增加了施工人員的搬運負擔，特別是在高處作業(yè)時，攜帶兩把電動工具非常不便。

　　The torque shear bolt special wrench is mainly used in the steel structure installation industry, specifically for installing high-strength bolts in steel structures. High strength bolts can be divided into two types: torsion shear type and large hexagonal type. The national standard torsion shear type high strength bolts are M16, M20, M22, and M24, while non national standard torsion shear type bolts are M27 and M30. Generally, the tightening of torsion shear high-strength bolts requires two steps: initial tightening and final tightening, and each step requires strict torque requirements. In practice, when tightening high-strength torsion shear bolts, operators usually first use an impact wrench or a fixed torque wrench to complete the initial tightening, and then use a special wrench for torsion shear bolts to complete the final tightening. In practical operating environments, multiple bolts are required on the steel frame connection structure to form a bolt cluster. If the bolts are tightened one by one in sequence, it will cause the problem of uneven tightening. The correct operating method is to first tighten each bolt in the bolt cluster, that is, initial tightening. When one tightening is completed, all bolts reach the basic same initial tightening torque, and then tighten the bolts finally until the neck of the shear type bolt is cut off. The existing torque type electric wrenches can be divided into initial tightening torque type electric wrenches and final tightening torque type electric wrenches, which usually only have one transmission ratio output. The torque control range of the existing torque control wrenches for initial tightening and final tightening high-strength bolts is small, and they cannot simultaneously cover the torque requirements of both initial and final tightening high-strength bolts. However, the existing electric wrenches for final tightening and torque cutting do not control the torque and are based on the neck of the high-strength bolt, which cannot be used for initial tightening and high-strength torque cutting bolts. Therefore, for the construction of high-strength torsion shear bolts, an initial tightening torsion shear wrench is required, which can usually be replaced by an impact wrench or a fixed torque wrench. In addition, a final tightening torsion shear wrench is required, which increases labor costs and also increases the transportation burden of construction personnel. Especially when working at heights, carrying two electric tools is very inconvenient.

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