Dynamics-based testing method of wire rope’s broken wires

XIU Shu-dong; NI Zhong-jin; YAO Wen-bin; YING Hua-xiang

Volume 26 Issue 4

Aug. 2009

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Article Navigation > Journal of Zhejiang A&F University > 2009 > 26(4): 461-466

XIU Shu-dong, NI Zhong-jin, YAO Wen-bin, YING Hua-xiang. Dynamics-based testing method of wire rope’s broken wires[J]. Journal of Zhejiang A&F University, 2009, 26(4): 461-466.

Citation:

XIU Shu-dong, NI Zhong-jin, YAO Wen-bin, YING Hua-xiang. Dynamics-based testing method of wire rope’s broken wires[J]. Journal of Zhejiang A&F University, 2009, 26(4): 461-466.

Dynamics-based testing method of wire rope’s broken wires

1.
School of Engineering，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;
2.
Zhejiang Tianhe Building Materials Group Co.，Ltd.，Hangzhou 310012，Zhejiang，China

More Information

Corresponding author: XIU Shu-dong
Publish Date: 2009-08-20

Abstract

The strands are twisted with high quality carbon steel strings and then a number of strands turn around the core to a wire rope. Due to its special structure as well as its unique advantages，a wire rope has better ability in mechanism in functional reliability and structural diversity. Therefore，wire ropes are widely used in various engineering fields，but there are still a lot of technical problems regarding design，manufacturing，usage and maintenance. Even there are no certain safety factors given in the process of application so that it turns out accidents when it comes to structural problems. There were some researches on the issue of non destructive testing （NDT） of wire ropes in this paper，according to the string vibration equation；a model of testing wire rope’s broken wires was established. And an exploratory experiment was made by this equation. The results showed that there was a little influence on fundamental frequency. When the number of wire rope broken wires was less and the loads was smaller. And a greater influence on fundamental frequency，when the number of wire rope broken wires was larger and the loads is bigger. Therefore，this method was certain feasible，and provided a new nondestructive testing means for wire ropes.［Ch，4 fig. 1 tab. 11 ref.
- forest engineering,
- wire rope,
- broken wires,
- test,
- dynamics

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Dynamics-based testing method of wire rope’s broken wires

1. School of Engineering，Zhejiang Forestry College，Lin’an 311300，Zhejiang，China;

2. Zhejiang Tianhe Building Materials Group Co.，Ltd.，Hangzhou 310012，Zhejiang，China

Corresponding author: XIU Shu-dong

Publish Date: 2009-08-20

Key words:

Abstract: The strands are twisted with high quality carbon steel strings and then a number of strands turn around the core to a wire rope. Due to its special structure as well as its unique advantages，a wire rope has better ability in mechanism in functional reliability and structural diversity. Therefore，wire ropes are widely used in various engineering fields，but there are still a lot of technical problems regarding design，manufacturing，usage and maintenance. Even there are no certain safety factors given in the process of application so that it turns out accidents when it comes to structural problems. There were some researches on the issue of non destructive testing （NDT） of wire ropes in this paper，according to the string vibration equation；a model of testing wire rope’s broken wires was established. And an exploratory experiment was made by this equation. The results showed that there was a little influence on fundamental frequency. When the number of wire rope broken wires was less and the loads was smaller. And a greater influence on fundamental frequency，when the number of wire rope broken wires was larger and the loads is bigger. Therefore，this method was certain feasible，and provided a new nondestructive testing means for wire ropes.［Ch，4 fig. 1 tab. 11 ref.

Dynamics-based testing method of wire rope’s broken wires

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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