Study of Connection Fitting Made of 12CrNi<sub>3</sub> Based on Intensity

WANG Gang; CHANG Linjing; WANG Wei; YANG Guohua; XU Jiantao

doi:10.13296/j.1001-1609.hva.2015.10.012

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Study of Connection Fitting Made of 12CrNi₃ Based on Intensity

更新时间：2025-04-26

- Study of Connection Fitting Made of 12CrNi₃ Based on Intensity
- High VoltageApparatus Vol. 51, Issue 10, Pages: 76-81(2015)
- 作者机构：
  
  平高集团有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.10.012
  CLC： TM721.1
- Published：2015
- 稿件说明：
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[1]王刚,常林晶,王卫,杨国华,徐健涛.基于强度的连接金具采用12CrNi_3合金钢的研究[J].高压电器,2015,51(10):76-81.

WANG Gang, CHANG Linjing, WANG Wei, et al. Study of Connection Fitting Made of 12CrNi₃ Based on Intensity[J]. High voltageapparatus, 2015, 51(10): 76-81.
[1]王刚,常林晶,王卫,杨国华,徐健涛.基于强度的连接金具采用12CrNi_3合金钢的研究[J].高压电器,2015,51(10):76-81. DOI： 10.13296/j.1001-1609.hva.2015.10.012.

WANG Gang, CHANG Linjing, WANG Wei, et al. Study of Connection Fitting Made of 12CrNi₃ Based on Intensity[J]. High voltageapparatus, 2015, 51(10): 76-81. DOI： 10.13296/j.1001-1609.hva.2015.10.012.

摘要

为实现特高压交直流输电所用连接金具的小型化和轻型化

建立完整的基于强度的连接金具设计方法至关重要。针对连接金具的使用特点及传统设计方法存在的不足

以U型挂环为研究对象

提出了系统的基于强度的连接金具设计方法。参考国家标准和U型挂环的使用特点

提出了制造U型挂环材料的选择原则:不仅强度要高

最重要是韧性要好。根据所提材料选择原则和国家标准

选用合金钢12Cr Ni3作为制造U型挂环的材料

通过有限元仿真证明了材料选择原则的正确性。结合国家标准和工程经验控制设计余量。按照国家标准对按所提方法设计的U型挂环进行试验

并和传统金具进行比较

结果表明由所提方法设计的U型挂环在保证强度的同时

体积和重量明显减少

大大减少了运输和安装成本。所提方法为特高压交直流输电所用大吨位金具的设计提供了重要参考。

Abstract

The design method for connection fitting based on intensity is very important for miniaturization and lighting of connection fitting used in UHVAC & HVDC transmission projects. Considering the characteristics of connection fitting and disadvantages of traditional design method

taking U-ring as an example

a systemic design method for connection fitting based on intensity is developed. According to national standard and the characteristics of U-ring

the selection principle of material that is used for U-ring is presented. The intensity is demanded to be high and the most important that good toughness is needed. Based on this selection principle of material and national standard

12 Cr Ni3is used for U-ring

the selection principle is proved to be correct through FEM. In accordance with national standard and experience in project

the design margin is controlled. The U-rings designed by the method are developed and tested in term of national standard

the result shows that the U-rings not only retain the intensity

but also debase the volume and weight greatly. The cost of transportation and installation is reduced greatly. This method provides an important reference for the design of big tonnage fittings in UHVAC &HVDC transmission projects.

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Study of Connection Fitting Made of 12CrNi3 Based on Intensity

DOI：10.13296/j.1001-1609.hva.2015.10.012

摘要

Abstract

关键词

Keywords

references

Study of Connection Fitting Made of 12CrNi₃ Based on Intensity