扭剪型高強螺栓，必須采用電動力矩扳手來進行安裝。只有當(dāng)力矩達到要求后，高強螺栓的梅花頭才會被擰掉，這樣可以保證所使用的螺栓達到必須的預(yù)緊力從而保證性能。所以在工程中可以通過檢查梅花頭是否還在還判斷高強螺栓是否起到作用，而扭剪型高強螺栓都是一次性也是因為這個原因.
Torsional shear type high-strength bolts must be installed with an electric torque wrench. Only when the torque meets the requirements, the plum blossom head of the high-strength bolt will be screwed off, so as to ensure that the bolt used reaches the necessary preload, so as to ensure the performance. Therefore, in the project, we can judge whether the high-strength bolts play a role by checking whether the plum blossom head is still in use, and it is also for this reason that the torsional shear high-strength bolts are disposable
1、初擰扳手，可用電動扳手也可用手動帶響扳手。但無論用哪種扳手施工前都必須進行標定，以便控制初擰扭距值。手動扳手作為終擰工具時，必須每班進行標定，并做好標定記錄。
1. The initial tightening wrench can be an electric wrench or a manual ring wrench. However, no matter which wrench is used, it must be calibrated before construction in order to control the initial torque value. When the manual wrench is used as the final tightening tool, it must be calibrated every shift and the calibration record must be made.
2、終檸板手：扭剪型高強螺栓是一種自標量型螺栓，因此終擰只須把高強螺栓尾部螺栓頭擰掉即可，扳手不用標定。
2. Final lemon wrench: the torsion shear high-strength bolt is a self scalar bolt, so the final tightening only needs to screw off the bolt head at the tail of the high-strength bolt, and the wrench does not need to be calibrated.
3、終擰緊固時應(yīng)注意，待梅花頭全部套入套筒后，才能按下電動扳手開關(guān)，若內(nèi)套筒只套入梅花頭尺寸的1/3～1/2長度時按下電動扳手開關(guān)，將會造成梅花頭打滑，并且影響套筒的使用壽命。
3. During final tightening, it should be noted that the electric wrench switch can only be pressed after all the ring heads are sleeved into the sleeve. If the inner sleeve is sleeved into only 1 / 3 ~ 1 / 2 of the length of the ring head, pressing the electric wrench switch will cause the ring head to slip and affect the service life of the sleeve.
4、緊固時，終擰電動扳手應(yīng)和構(gòu)件摩擦面保持垂直，扳手傾斜是很容易導(dǎo)致螺栓尾部梅花頭打滑，并易卡殼。
4. When tightening, the final tightening electric wrench shall be perpendicular to the friction surface of the component. The inclination of the wrench is easy to cause the plum blossom head at the tail of the bolt to slip and jam.
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