Inhaul cable structure capable of being filled with dry air and realizing method thereof

A realization method and dry air technology, applied in the field of stay cables, can solve the problems of failure of stay cables, damage of polyethylene sheath, corrosion of steel wires, etc., and achieve the effect of improving safety and ensuring the stability of use.

Active Publication Date: 2013-06-26
JIANGSU FASTEN STEEL CABLE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the inevitable damage to the polyethylene sheath of the stay cable during the construction process, even if it is repaired in time, harmful substances such as moisture have entered the cable body and remain in the cable body, causing corrosion of the steel wire and causing the stay cable fail
In addition, during the long-term use of the cable stay, the internal environment of the cable stay cannot be accurately grasped, leaving hidden dangers to the safety of the cable stay

Method used

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  • Inhaul cable structure capable of being filled with dry air and realizing method thereof
  • Inhaul cable structure capable of being filled with dry air and realizing method thereof
  • Inhaul cable structure capable of being filled with dry air and realizing method thereof

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Embodiment Construction

[0041] see Figure 1-3 , the present invention relates to a cable structure that can be filled with dry air and its implementation method, it includes a cable body 11, the two ends of the cable body 11 are respectively connected with an upper anchorage and a lower anchorage, and the upper anchorage Including the upper cover plate 1, the upper anchor plate 2 and the upper anchor cup 4, the upper anchor plate 2 is set in the upper anchor cup 4, the upper anchor cup 4 is provided with an upper nut 3, and the upper nut 3 makes the upper anchor compress the cable body 11. The lower anchor includes a lower cover plate 12, a lower anchor plate 13 and a lower anchor cup 15, the lower anchor plate 13 is set in the lower anchor cup 15, and the lower anchor cup 15 is provided with a lower nut 14, the lower nut 14 makes the lower anchor cup 15 The anchorage compresses the cable body 11, and the two ends of the cable body 11 are respectively fixed on the upper anchor plate 2 and the lower ...

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Abstract

The invention relates to an inhaul cable structure capable of being filled with dry air and a realizing method thereof. The inhaul cable structure comprises a cable body (11). Two ends of the cable body (11) are respectively connected with an upper anchorage device and a lower anchorage device, at least two stainless steel air inlet tubes (9) are arranged on the upper portion of the cable body (11), and at least two stainless steel air outlet tubes (21) are arranged on the lower portion of the cable body (11). According to the inhaul cable structure capable of being filled with the dry air and the realizing method thereof, water in the inclined inhaul cable body can be drained when the dry air is filled in the stainless steel air inlet tubes, and therefore hazardous substances such as the water can not be retained in the inclined inhaul cable body easily, steel wire corrosion can be avoided, and use stability of an inclined inhaul cable is guaranteed; humidity sensors are arranged on end mouths of the stainless steel air outlet tubes, and therefore environmental conditions of steel wires in the inclined inhaul cable can be monitored through humidity changes after the dry air flows in the cable body, and safety of the inclined inhaul cable is improved.

Description

technical field [0001] The invention relates to a stay cable and belongs to the technical field of bridge engineering. Background technique [0002] The traditional stay cable structure is made by twisting multiple high-strength steel wires at a twisting angle of about 3°, then hot-extruding double-layer high-density polyethylene sheaths, installing anchors at both ends, and adopting a multi-layer sealing system Formed fully sealed stay cable structure. Due to the inevitable damage to the polyethylene sheath of the stay cable during the construction process, even if it is repaired in time, harmful substances such as moisture have entered the cable body and remain in the cable body, causing corrosion of the steel wire and causing the stay cable invalidated. In addition, during the long-term use of the stay cable, the environment inside the stay cable cannot be accurately grasped, which leaves a hidden danger to the safety of the stay cable. Contents of the invention [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/16E01D19/14E01D19/08E01D21/00
Inventor 徐宏光赵军王胜斌宁世伟薛花娟吴琼强强张晓龙周祝兵徐闻磊
Owner JIANGSU FASTEN STEEL CABLE CO LTD
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