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扭力扳手工作原理及特点介绍

来源:https://www.xjnwz.com 日期:2023-11-20 发布人:admin

传统的扭力扳手演变为设定式棘轮扭力扳手,数显式的扭力扳手,预置式扭力扳手等等,虽然类别会有所不同,但是他们的原理大致相同,下面分三个步骤去说明:在扭力扳手上设定所需扭距值(由弹簧套在顶杆上向扭距释放关节施压),锁定扭距扳手开始拧紧螺栓,当螺栓达到扭距值后(当使用扭力大于弹簧的压力后)会产生瞬间脱节的效应.在产生脱节效应的瞬间发出关节敲击扳手金属外壳所发出的"卡塔"声.由此来确认达到扭距值的提醒作用.(其实就象我们手臂关节成15度弯曲放在铁管里瞬间申直后会碰到钢管的原理一样)。

The traditional torque wrench has evolved into a set type ratchet torque wrench, a digital display torque wrench, a preset torque wrench, and so on. Although the categories may vary, their principles are roughly the same. The following three steps will explain: first, set the required torque value on the torque wrench (pressure is applied to the torque release joint by the spring on the top rod), lock the torque wrench, and start tightening the bolt, When the bolt reaches the torque value (when the torque is greater than the pressure of the spring), there will be an instant detachment effect. At the moment of the detachment effect, there will be a "click" sound from the joint hitting the metal shell of the wrench. This confirms the reminder effect of reaching the torque value (Actually, it's just like the principle that when our arm joints are bent at a 15 degree angle and placed in an iron pipe, they will instantly straighten and touch the steel pipe.).
其次扭力扳手所发出的"卡塔"是由本身内部的扭距释放结构产生的,其结构分为压力弹簧,扭距释放关节,扭距顶杆三结构所组成。后扭力扳手在发出"卡塔"声后是提示以达到你要求的扭距值了。扭力扳手使用方法:扭力扳手使用时,当听到“啪”的一声时,此时是合适的;在扭力扳手的使用中,要根据测量部品的要求选取适中量程,所测扭力值不可小於扭力器在使用中量程的百分之二十,太大的量程不宜用於小扭力部品的加固,小量程的扭力器更不可以超量程使用;在使用扭力扳手时,先将受力棘爪连接好辅助配件(如套筒,各类批嘴),确保连接已经没问题.
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Secondly, the "jam" emitted by the torque wrench is generated by its internal torque release structure, which is composed of three structures: pressure spring, torque release joint, and torque top rod. After the torque wrench emits a "click" sound, it prompts to reach the torque value you require. Usage of torque wrench: When using a torque wrench, it is appropriate to hear a "snap" sound; In the use of a torque wrench, the first step is to select the appropriate range according to the requirements of the measuring component. The measured torque value should not be less than 20% of the range of the torque wrench in use. A range that is too large should not be used for reinforcing small torque components, and a torque wrench with a small range should not be used beyond the range; When using a torque wrench, first connect the stressed pawl to auxiliary accessories (such as sleeves and various nozzles) to ensure that the connection is no longer a problem
在加固扭力之前,设定好需要加固的力值,并锁好紧锁装置,然后调整好方向转换钮到加力的方向;测量时,手要把握住把手的有效范围,沿垂直於管身方向慢慢地加力直听到到达已设定的量值后发出的声音.在施力过程中,按照标準仪器操作规范,其垂直度偏差左右不应超过10度。其水平方向上下偏差不应超过3度,我厂在使用过程中操作人员应保证其上下左右施力范围均不超过15度;為了不使测量结果因水平和垂直方向上的偏差而產生影响,在测量时,应在加力把持端上施加一个垂直向下的稳定力值注:
Before strengthening the torque, set the force value to be strengthened, lock the locking device, and then adjust the direction switch button to the direction of force application; When measuring, the hand should hold the effective range of the handle and slowly apply force perpendicular to the pipe body until the sound is heard after reaching the set value. During the force application process, according to the national standard instrument operating specifications, the verticality deviation should not exceed 10 degrees. The horizontal deviation should not exceed 3 degrees, and our factory's operators should ensure that the range of force application from top to bottom, left and right does not exceed 15 degrees during use; In order to prevent the measurement results from being affected by deviations in the horizontal and vertical directions, a vertically downward stable force value should be applied to the force application control end during measurement. Note:
1.用途:扭力扳手为旋转螺栓或螺帽的工具。
1. Purpose: A torque wrench is a tool for rotating bolts or nuts.
2.用法:扭力扳手扳转时应该使用拉力,推转扳手极易发生危险。3.扭力扳可用于松紧螺栓,螺栓旋紧前应先将螺栓清洁并上润滑油。4.使用扭力扳手旋紧螺栓时应均匀使力,不得利用冲击力。后一个要注意的,大规格扭矩扳手使用时,可外加接长套杆以便操作省力,如长期不用,调节标尺刻线退扭矩小数值处有许多人问到扭力扳手究竟哪种质材会好些。
2. Usage: When turning a torque wrench, tension should be used, as pushing the wrench can easily cause danger. 3. The torque wrench can be used to tighten bolts. Before tightening the bolts, they should be cleaned and lubricated. 4. When using a torque wrench to tighten bolts, the force should be evenly applied and impact force should not be used. The last thing to note is that when using a large-sized torque wrench, a lengthening sleeve can be added for easy operation. If not used for a long time, adjust the scale line back to the small torque value. Many people have asked which material would be better for a torque wrench.
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