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Cable actively controlled breaking device and manufacturing method thereof

A technology of active control and cable head, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as lack of equipment

Active Publication Date: 2019-06-28
JULI SLING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in the experimental study of the dynamic response of the cable breakage of the prestressed space steel structure or the impact load applied to the cable breakage, there is a lack of equipment that can prepare to simulate the failure process of the cable

Method used

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  • Cable actively controlled breaking device and manufacturing method thereof
  • Cable actively controlled breaking device and manufacturing method thereof
  • Cable actively controlled breaking device and manufacturing method thereof

Examples

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Embodiment Construction

[0023] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0024] see Figure 1 to Figure 10 , an instantaneous disconnection device for a building structure cable, the device is set between two broken ends of the cable 1, each broken end has a group of casting cable heads and magnet sleeves, and one group in the magnet sleeve is Electromagnets, the other set can be permanent magnets or electromagnets.

[0025] The stay cables may be steel strands, steel wire bundles, steel wire ropes, solid steel pull rods or hollow steel pipes. The cable head includes an ear plate 3 at its end, and bolt holes 9 are arranged on the corresponding positions of the cable head ear plate 3 as shown in the figure. The cable head can be processed at the test site and connected with the fracture of the cable by casting. ...

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Abstract

Belonging to the research field of prestressed space steel structure, the invention relates to a stay cable active control breaking device and a making method thereof. The stay cable active control breaking device comprises cable bodies, cable heads, magnet sleeves and built-in magnets. The components are processed according to the design, then the cable bodies are connected to the cable heads, the magnets placed in the magnet sleeves, and finally cover plates and the sleeve bodies form closed connection. During use, two sections of stay cables connected to the device are in direct stay cable through the cover plates, by controlling the power-on and power-off of the electromagnet, when the magnetic force of the electromagnet is zero, the stay cables at two ends break immediately; and by gradually reducing the magnetic force value of the electromagnet, the stay cables at two ends can be broken slowly. By means of equivalent simulation of the stay cable's ultimate bearing capacity through the magnets' magnetic force, the device provided by the invention realizes active control of stay cable breaking to simulate the failure process, also the making is simple, and the device has strong practical significance for the experimental study of prestressed space steel structure stay cable breaking dynamic response and stay cable breaking applied impact load.

Description

technical field [0001] The invention relates to a connecting device for a cable component, in particular to an active control breaking device for a cable and a manufacturing method thereof. Background technique [0002] As my country's urbanization continues to accelerate, people's demand for large-span spatial structures is increasing. Taking the Beijing Olympic Games, Shanghai World Expo, Jinan National Games, Guangzhou Asian Games, Shenzhen Universiade and Shenyang National Games as an opportunity, for To meet the needs of the games and public services after the games, my country has successively built a large number of large-span public buildings such as stadiums and exhibition centers, among which the prestressed space steel structure has shown strong vitality. The performance index of the core cables of the prestressed space steel structure not only affects the structural topological relationship, but also affects the overall safety of the structure. Since the cable is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/02
CPCG01N3/02
Inventor 孙国军郑向红薛素铎李雄彦李思遥杨昌鸣
Owner JULI SLING
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