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摩擦性高强螺栓与扭剪型高强螺栓到底有什么不同啊?

来源:https://www.xjnwz.com 日期:2022-08-04 发布人:wanzhong

摩擦性高强螺栓与扭剪型高强螺栓到底有什么不同啊?都是高强螺栓吗

What is the difference between friction high-strength bolts and torsion shear high-strength bolts? Are they all high-strength bolts
都是高强度螺栓,两者区别如下:
They are high-strength bolts. The difference between them is as follows:
一、承载能力不同
1、 Different bearing capacity
1、摩擦性高强螺栓:以板层间出现滑动作为承载能力极限状态。
1. Friction high-strength bolt: the sliding between plates is regarded as the ultimate state of bearing capacity.
2、扭剪型高强螺栓:以板层间出现滑动作为正常使用极限状态,而以连接破坏作为承载能力极限状态。
2. Torsional shear type high-strength bolt: the sliding between plates is regarded as the limit state of normal use, and the connection failure is regarded as the limit state of bearing capacity.
二、应用位置不同
2、 Different application locations
1、摩擦性高强螺栓:不能充分发挥螺栓的潜能。在实际应用中,对十分重要的结构或承受动力荷载的结构,尤其是荷载引起反向应力时,应该用摩擦型高强螺拴,此时可把未发挥的螺栓潜能作为安全储备。
1. Friction high-strength bolt: the potential of the bolt cannot be fully developed. In practical application, friction type high-strength bolts should be used for very important structures or structures bearing dynamic loads, especially when the load causes reverse stress. At this time, the untapped bolt potential can be used as a safety reserve.
2、扭剪型高强螺栓:除摩擦性高强螺栓以外的地方应采用承压型高强螺栓连接以降低造价。
2. Torsional shear high-strength bolt: except for friction high-strength bolt, pressure bearing high-strength bolt connection should be used to reduce the cost.
三、使用方式不同
3、 Different ways of use
1、摩擦性高强螺栓:限单次使用,用于连接,不能重复使用。
1. Friction high-strength bolt: only for single use, for permanent connection, and cannot be reused.
2、扭剪型高强螺栓:先初拧后终拧,初拧高强螺栓需用冲击型电动扳手或扭矩可调电动扳手;而终拧高强螺栓有严格的要求,终拧扭剪型高强螺栓用扭剪型电动扳手,终拧扭矩型高强螺栓用扭矩型电动扳手。
2. Torsion shear type high-strength bolts: initial tightening is followed by final tightening. Impact type electric wrench or torque adjustable electric wrench is required for initial tightening of high-strength bolts; However, there are strict requirements for final tightening of high-strength bolts. Torque shear type electric wrenches are used for final tightening of torsion shear type high-strength bolts, and torque type electric wrenches are used for final tightening of torque type high-strength bolts.
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