| 螺栓的液压拉伸预紧 |
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| 引用本文： | 杨盛福.螺栓的液压拉伸预紧[J].机床与液压,2005(8):149-150,171. |
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| 作者姓名： | 杨盛福 |
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| 作者单位： | 燕山大学机械学院,秦皇岛,066004 |
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| 摘 要： | 液压拉伸器是一种先进的螺栓预紧和拆卸工具，与传统的螺栓预紧工具相比，具有操作简单、使用方便、安全性高等特点。运用它可以很容易地实现螺栓的拉伸和螺母的紧固。本文对螺栓的液压拉伸预紧方法进行了分析，给出了工作原理及螺栓伸长量和液压缸压力的计算方法。
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| 关 键 词： | 螺栓 液压拉伸器 预紧 伸长量 |
| 文章编号： | 1001-3881（2005）8-149-2 |
| 收稿时间： | 2004-04-13 |
| 修稿时间： | 2004-04-13 |
Hydraulic Pretension Method of Bolts |
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| YANG Sheng-fu.Hydraulic Pretension Method of Bolts[J].Machine Tool & Hydraulics,2005(8):149-150,171. |
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| Authors: | YANG Sheng-fu |
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| Abstract: | The hydraulic-stretching equipment is an advanced tool for pretension and disassembling of bolts.Compared with the traditional pretension methods,it has some advantages such as simplicity of operation,convenient for application and high security.It is easy to stretch and fasten bolts using hydraulic-stretching equipment.The hydraulic pretension methods of bolts with hydraulic-stretching equipment were introduced,the principle of hydraulic pretension,the calculation method of bolts' elongation indicators and pre-tightening force were given. |
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| Keywords: | Bolts Hydraulic-stretching equipment Pretension Elongation indicators |
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