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Pull rope for landscape bridge and manufacturing method of pull rope

A production method and landscape technology, applied to bridges, bridge parts, bridge materials, etc., can solve problems such as sharp increase in wind vibration, PE cracking, and small force on cables, and achieve good anti-corrosion and sealing performance, prolong service life, and facilitate The effect of changing the rope

Inactive Publication Date: 2015-07-01
LIUZHOU OVM MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Option 1: Repeatedly extruding PE to increase the diameter of the cable with small holes. Due to the limitation of the PE extrusion process, the finished cable cannot meet the design requirements of multi-layer or too thick PE layer, and it is prone to PE cracking, and the PE The layer is too thick and the production cost is high; secondly, adding PE layer will increase the unit weight of the cable body, which will lead to a sharp increase in wind vibration. In small landscape bridges, the force of the cable is small, which is not conducive to the beauty of the cable and the demand for earthquake resistance.
[0009] If the second option is to add a casing outside the cable body at the small hole position to enhance the landscape effect, the gap between the cable body and the casing is too large, and it is difficult to realize the connection between the cable body and the outer casing in the entire free section with segmental positioning and fixing devices. The centering and positioning cannot avoid the vibration and bending phenomenon caused by the lack of effective support of the casing, which cannot meet the requirements of the landscape; therefore, it is urgent to develop a cable specially suitable for landscape bridges

Method used

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  • Pull rope for landscape bridge and manufacturing method of pull rope
  • Pull rope for landscape bridge and manufacturing method of pull rope
  • Pull rope for landscape bridge and manufacturing method of pull rope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] A stay cable for a landscape bridge, comprising a cable body I and two anchoring sealing assemblies II located at both ends of the cable body I, the cable body I including a PE prestressed tendon composed of n single PE prestressed tendons 11 and Outer casing 12 located outside n single PE prestressed tendons 11; each anchor sealing assembly includes anchor clamping section Ⅱ01 and sealing anticorrosion section Ⅱ02; (see figure 1 );

[0064] The anchor clamping section II01 includes an anchor cup 1, an end cover 2, an anchor plate 3 and a restraint ring 5; There are n thread holes 301 for installing and clamping a single PE prestressed tendon on the wire anchor plate 3, and n single PE prestressed tendons 11 pass through the divided wire anchor plate 3, and each single prestressed tendon penetrates into it respectively. In the threading hole 301 of the split anchor plate 3, n PE prestressed tendons 11 are arranged in parallel and regularly and are anchored on the spli...

Embodiment 2

[0075] A method for making a drag cable for a landscape bridge, which is a method for manufacturing a drag cable for a landscape bridge described in Embodiment 1, comprising the following steps:

[0076] A. First, make a single prestressed tendon into PE prestressed tendon 11. According to the specifications of the cable and the requirements of the cable manufacturing process, the PE layer of the PE prestressed tendon at both ends of the anchorage is stripped, and the prestressed tendon is cleaned with a cleaning agent. Stress tendons are cleaned;

[0077] B. Penetrate the PE prestressed tendons 11 according to the order of the structural parts of the anchor sealing assembly, and then thread the prestressed tendons stripped of the PE layer from the inside to the outside in parallel with the split wire holes arranged on the split wire anchor plate 3 In, each prestressed tendon is pierced by a piercer, and finally the piers are stuck in the 3-thread hole of the thread-splitting ...

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Abstract

A pull rope for a landscape bridge comprises a rope body and two anchorage sealing components positioned at two ends of the rope body. The rope body comprises n single PE (polyethylene) prestressed reinforcements and outer sleeves positioned outside the n single PE prestressed reinforcements. Each anchorage sealing component comprises an anchorage clamping section and a sealing anticorrosion section, the anchorage clamping section comprises an anchor cup, an end cover, a wire separating anchor plate and a restraint ring, n wire penetrating holes for mounting and clamping the single PE prestressed reinforcements are formed in the wire separating anchor plate, the n single PE prestressed reinforcements respectively penetrate the wire penetrating holes in the wire separating anchor plate after penetrating the wire separating anchor plate, are parallelly and regularly arranged and are anchored on the wire separating anchor plate in a pier head anchoring mode, the outer sleeves of the pull rope are annularly supported and fixed by the n parallel single PE prestressed reinforcements, and the n is an arbitrary integer ranging from 3 to 37. The pull rope for the landscape bridge is reliable in anchoring performance and convenient in manufacture, mounting and rope replacing construction.

Description

Technical field [0001] The present invention involves a lack of tape with a small or unwavering decoration, especially a landscape bridge and its production method. Background technique [0002] Since the 21st century, my country's economy has developed rapidly, urban construction has entered a peak period, and the requirements for urban appearance have also become higher and higher. The design of the landscape bridge has become a beautiful landscape that embellishes the corner of the city. There are demands in this regard, and design units have also begun to design a large number of landscape tensile structures to be used in the project. [0003] At present, most of the cable structures adopted by most bridges in my country are mainly divided into steel wire cables and steel twisted clues. The pull cables of these structures are mainly suitable for the middle and large bridge structures with larger bearing capacity. The special landscape needs of the cable. [0004] Existing tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/16E01D21/00
CPCE01D19/16E01D21/00E01D2101/32E01D2101/40
Inventor 朱元黄颖华剑平苏韩雷欢韦耀淋陈晓贺继新王恒也
Owner LIUZHOU OVM MASCH CO LTD