Novel Haff fireproof stay cable and manufacturing method thereof

A Haval-type, new technology, applied in the field of cables, can solve the problems of impact and inconvenience of the places where cables are used, and achieve the effect of simple replacement method and simple structure

Pending Publication Date: 2017-12-01
LIUZHOU OVM MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned technical scheme can meet the fire protection requirements, when the fire prevention structure of the cable needs to be replaced after a fire accident occurs in the cable or the service life is reached, the overall st

Method used

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  • Novel Haff fireproof stay cable and manufacturing method thereof
  • Novel Haff fireproof stay cable and manufacturing method thereof
  • Novel Haff fireproof stay cable and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] Example 1:

[0024] Such as figure 1 As shown, a new Haval type fireproof cable includes a cable (1), an inner lining pipe (2) and a fireproof material layer (3). The outer layer of the cable (1) is wrapped with an inner lining pipe (2), The inner lining pipe (2) is detachably connected by two semicircular pipes. The outer lining pipe (4) is wrapped around the fireproof material layer (3), and the outer lining pipe (4) is detachable by two semicircular pipes. The fireproof material layer (3) is formed between the inner lining pipe (2) and the outer lining pipe (4) by a pouring method, and the fireproof material is installed firmly and has strong reliability.

[0025] Such as figure 1 As shown, the outer pipe and the inner lining pipe (4) of the inner lining pipe (2) are of a Haval structure, which is reliable in installation and high in connection strength.

[0026] The material of the fireproof material layer (3) is one of fireproof cotton, fireproof blanket, fireproof cloth...

Example Embodiment

[0033] Example 2:

[0034] Such as image 3 As shown, embodiment 2 of a new Haval type fireproof cable of the present invention is different from embodiment 1. In this embodiment, the two semicircular pipes of the outer lining pipe (4) adopt the method Lan (41) connection installation.

Example Embodiment

[0035] Example 3:

[0036] Such as Figure 4 As shown, embodiment 3 of a new Haval type fireproof cable of the present invention, the difference between this embodiment and embodiment 1 is that in this embodiment, the two semi-circular pipes of the outer lining pipe (4) are made of steel With (42) lashing connection installation.

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PUM

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Abstract

The invention discloses a novel Haff fireproof stay cable and manufacturing method thereof. The novel Haff fireproof cable comprises a stay cable, an inner lining pipe and a fireproof material layer, wherein the inner lining pipe adopts a Haff type structure; the inner lining pipe is coated on the stay cable; the fireproof material layer is coated on the inner lining pipe; and the inner lining pipe is formed by the detachable connection of two semicircle pipes. The novel Haff fireproof stay cable disclosed by the invention adopts the detachable fireproof structure, so that based on that the structure and the function of the stay cable are not influenced, under the working condition that the stay cable is normally used, the mounting and the exchanging of the stay cable fireproof structure can be independently performed, and the normal use of the stay cable are not influenced.

Description

technical field [0001] The invention relates to a cable suitable for structures such as bridge engineering and construction engineering, in particular to a Haval type novel fireproof cable and a manufacturing method thereof. Background technique [0002] With the progress and changes of social development, bridges, buildings and other fields gradually put forward the demand for fire protection function of cables, and the requirements for fire protection function are getting higher and higher. Steel wire cables are one of the key stress-bearing components of cable-stayed bridges, so The steel cables also determine the life span of the bridge. For example, Chinese patent CN2644470Y discloses a fireproof cable, which is provided with a fireproof paint layer or a fireproof wrapping tape on the outer surface of the steel cable body. The layer has reached the level of flame-retardant materials in the current relevant regulations. Compared with the conventional PE sheathed cables ...

Claims

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Application Information

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IPC IPC(8): E01D19/16E04B1/94
CPCE01D19/16E04B1/943
Inventor 雷欢庞锐剑黄芳玮邹易清龙跃李文献韦耀淋宋强李华萍王耀张峰覃磊蒋立军苏韩
Owner LIUZHOU OVM MASCH CO LTD
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