CN213772698U - Composite material winding reinforced steel cable - Google Patents
Composite material winding reinforced steel cable Download PDFInfo
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- CN213772698U CN213772698U CN202022650779.5U CN202022650779U CN213772698U CN 213772698 U CN213772698 U CN 213772698U CN 202022650779 U CN202022650779 U CN 202022650779U CN 213772698 U CN213772698 U CN 213772698U
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Abstract
The utility model discloses a combined material winding reinforcing cable wire. The composite material wound reinforcing steel cord comprises: multi-strand steel cables, unidirectional composite material cloth and thermosetting filler. Wherein the unidirectional composite cloth is wound on the surface of the multi-strand steel cable; the thermosetting filler is arranged among the multi-strand steel cables, the unidirectional composite material cloth and among the unidirectional composite material cloth. The composite material winding reinforced steel cable has excellent corrosion resistance and fatigue resistance, is simple in manufacturing process, is convenient to implement on a construction site, and has remarkable economic benefit.
Description
Technical Field
The utility model relates to an anticorrosive reinforcement technical field of cable wire, particularly, the utility model relates to a combined material winding reinforcing cable wire.
Background
In the existing suspension bridge and cable-stayed bridge, the main cable of the cable system mainly comprises a certain amount of steel cables, the steel cables are exposed in the wind, rain and wet natural environment for a long time and bear the dynamic load and static load from the bridge, the corrosion and fatigue problems are easy to occur, and once the corrosion or fatigue problems occur to the steel cables, serious safety accidents can be caused. Corrosion of steel cables occurs in almost all existing cable bridges, and the main cause of corrosion is the ingress of external moisture due to the retention of ingressing moisture during construction and the damage of the anti-corrosive coating during operation. How to reinforce and prevent corrosion of the steel cable is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, it is an object of the invention to provide a composite material wound reinforcing steel cord. The composite material winding reinforced steel cable has excellent corrosion resistance and fatigue resistance, is simple in manufacturing process, is convenient to implement on a construction site, and has remarkable economic benefit.
In one aspect of the present invention, the present invention provides a composite material winding reinforcement cable. According to the utility model discloses an embodiment, this combined material winding reinforcing cable wire includes: a multi-strand steel cable; a unidirectional composite cloth wound around the surface of the plurality of steel cords; the thermosetting filler is arranged among the plurality of steel cables, between the plurality of steel cables and the unidirectional composite material cloth and in the unidirectional composite material cloth.
According to the utility model discloses above-mentioned embodiment's combined material winding reinforcing cable wire, make full use of combined material light weight high strength, corrosion-resistant, antifatigue advantage, combined material can show the fatigue life who improves the cable wire with the common atress of cable wire. Meanwhile, the one-way composite material cloth can form a protective layer on the surface of the steel cable by combining the thermosetting filler, so that the penetration of external water vapor is effectively avoided, and the anti-corrosion effect is achieved. In addition, the manufacturing process of the composite material winding reinforced steel cable is simple, the composite material winding reinforced steel cable is convenient to implement on a construction site, and the composite material winding reinforced steel cable has obvious economic benefit.
Optionally, the multi-strand steel cord comprises a plurality of subunits, each of the subunits having a surface wrapped with a unidirectional composite cloth.
Optionally, the included angle between the fiber direction of the unidirectional composite material cloth and the length direction of the steel cable is 10-30 degrees.
Optionally, the overlapping width of two adjacent circles of the unidirectional composite cloth is 2-5 cm.
Optionally, the unidirectional composite cloth is a glass fiber composite cloth, a carbon fiber composite cloth, a basalt fiber composite cloth or a hybrid composite cloth.
Optionally, the thermosetting filler is an epoxy resin.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of a composite wound reinforcing steel cord according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a composite wound reinforcing steel cord according to one embodiment of the present invention;
fig. 3 is a cross-sectional view of a composite wound reinforcing steel cord according to another embodiment of the present invention.
Reference numerals: 1-steel cable, 2-unidirectional composite material cloth, 3-thermosetting filler and 4-heat transfer sleeve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In addition, it should be noted that the unidirectional composite cloth used in the present invention is a cloth made of Fiber Reinforced Plastic (FRP).
In one aspect of the present invention, the present invention provides a composite material winding reinforcement cable. Referring to fig. 1 and 2, according to an embodiment of the present invention, the composite wrap reinforced steel cord comprises: a multi-strand steel cable 1, a unidirectional composite material cloth 2 and a thermosetting filler 3.
The composite wound reinforcing steel cord according to embodiments of the present invention is described in further detail below.
Referring to fig. 3, according to some embodiments of the present invention, the multi-strand steel cord 1 may be further divided into a plurality of subgroups, each subgroup having a surface wrapped with a unidirectional composite cloth. This can further improve the reinforcing and corrosion preventing effects of the steel cord.
According to some embodiments of the present invention, the included angle (the included angle shown by θ in fig. 1) between the fiber direction of the unidirectional composite cloth 3 and the length direction of the steel cable 1 may be 10 ° to 30 °, for example, 10 °, 15 °, 20 °, 25 °, 30 °, and the like. Therefore, the composite material cloth can bear the pulling force together with the steel cable on one hand, and can wrap the steel cable in the circumferential direction on the other hand, so that a plurality of steel cables form a whole, and better mechanical property is obtained.
According to the utility model discloses a some embodiments, the overlap joint width of two adjacent rings of one-way combined material cloth can be for 2 ~ 5 cm. Therefore, the steel cable can be further ensured to be tightly and completely wrapped by the composite material cloth.
According to some embodiments of the present invention, the above one-way composite cloth may be a glass fiber composite cloth, a carbon fiber composite cloth, a basalt fiber composite cloth or a hybrid composite cloth. The sources of the above specific unidirectional composite cloth are not particularly limited and are commercially available.
In addition, it should be noted that parameters such as the width, thickness and number of winding layers of the unidirectional composite cloth for winding the multi-strand steel cord may be designed according to the selected fiber material of the unidirectional composite cloth and the diameter of the steel cord.
According to some embodiments of the present invention, the thermosetting filler may be an epoxy resin.
For ease of understanding, the method of making the composite wrapped reinforcing steel cord of the above embodiments is described below. According to the utility model discloses an embodiment, this method includes:
(1) a multi-strand steel cord is provided.
According to some embodiments of the present invention, the multi-strand steel cable may be either a new cable or an old lock already applied to the building construction (e.g. a cable load-bearing bridge cable).
(2) And winding unidirectional composite cloth on the surfaces of the multi-strand steel cables.
According to some embodiments of the present invention, the multi-strand wire rope may be divided into a plurality of subgroups before the unidirectional composite cloth is wound on the surface of the multi-strand wire rope, and the unidirectional composite cloth is wound on the surface of each subgroup. This can further improve the reinforcing and corrosion preventing effects of the steel cord.
(3) The heat transfer sleeve is sleeved on the part of the multi-strand steel cable wound with the unidirectional composite material cloth, and one end of the heat transfer sleeve along the length direction of the multi-strand steel cable is sealed.
The specific type of the heat transfer sleeve is not particularly limited, as long as the heat transfer sleeve can be sleeved on the steel cable and has a heat transfer function. According to some embodiments of the present invention, the heat transfer sleeve may be a steel sleeve as is common in the art. In addition, the sleeving manner of the heat transfer sleeve can refer to fig. 1.
(4) Thermoset filler is injected into the heat transfer sleeve.
Preferably, the heat transfer sleeve is injected with a thermoset filler by pressurized injection. Thereby, the filling effect of the thermosetting filler is better.
(5) The heat transfer sleeve is heat treated to cure the thermoset filler.
It should be noted that the specific treatment temperature and treatment time for the heat treatment may be determined depending on the kind of the thermosetting filler actually used, as long as the thermosetting filler can be effectively cured.
According to some embodiments of the present invention, the heat treatment may be performed by controlling the electric cabinet, heating the heat transfer sleeve using a heating device. This can further improve the convenience of construction.
According to some embodiments of the present invention, by repeating the above steps (2) to (5) a plurality of times, a composite material wound reinforcing steel cord of a predetermined length can be obtained. It will be understood that for the steel cord to be reinforced having a greater length, it can be subjected in sections to operations of winding the composite cloth, heat curing, etc., so as to obtain a predetermined length of composite wound reinforcing steel cord.
(6) And (5) maintaining the product obtained in the step (5) to obtain the composite material winding reinforced steel cable.
It should be noted that the concrete method of curing is not particularly limited, and steel cable curing methods developed in the art may be used, and will not be described herein.
In summary, the composite material winding reinforced steel cable and the manufacturing method thereof provided by the present invention can have at least one of the following advantages:
(1) the composite material cloth is wound on the surface of the steel cable, so that the fatigue life of the steel cable can be prolonged; the fiber direction of the composite material cloth is more along the length direction of the steel cable, so that the reinforcing effect can be more effectively provided; the composite cloth is also an anticorrosive material, and the formed closed system can effectively protect the inner steel cable.
(3) The adopted materials are energy-saving and environment-friendly, and can be used for the anticorrosion reinforcement of the existing bridge steel cable and can also be used for newly-built bridge steel cables.
(3) The winding mode of the composite material cloth is various, the multi-strand steel cable can be integrally wound, and the multi-strand steel cable and a plurality of subgroups in the multi-strand steel cable can be wound, so that better mechanical property is obtained.
(4) The winding and heat treatment processes in the manufacturing method are easy to realize automatic construction, accurate control and convenient construction through a set of automatic winding device and automatic heating device.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. A composite wound reinforcing steel cord comprising:
a multi-strand steel cable;
a unidirectional composite cloth wound around the surface of the plurality of steel cords;
the thermosetting filler is arranged among the plurality of steel cables, between the plurality of steel cables and the unidirectional composite material cloth and in the unidirectional composite material cloth.
2. The composite wound reinforced steel cord according to claim 1, wherein said multi-strand steel cord comprises a plurality of subunits, each of said subunits having a surface wound with a unidirectional composite cloth.
3. The composite wound reinforced steel cord according to claim 1 or 2, wherein the angle between the fiber direction of said unidirectional composite cloth and the length direction of the steel cord is 10 ° to 30 °.
4. The composite-wrapped reinforced steel cord according to claim 1 or 2, wherein the overlapping width of two adjacent turns of the unidirectional composite cloth is 2 to 5 cm.
5. The composite wound reinforced steel cord according to claim 1 or 2, wherein the unidirectional composite cloth is a glass fiber composite cloth, a carbon fiber composite cloth, a basalt fiber composite cloth or a hybrid composite cloth.
6. The composite wound reinforcing steel cord according to claim 1 or 2, characterized in that said thermosetting filler is an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022650779.5U CN213772698U (en) | 2020-11-16 | 2020-11-16 | Composite material winding reinforced steel cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022650779.5U CN213772698U (en) | 2020-11-16 | 2020-11-16 | Composite material winding reinforced steel cable |
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| CN213772698U true CN213772698U (en) | 2021-07-23 |
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| CN202022650779.5U Active CN213772698U (en) | 2020-11-16 | 2020-11-16 | Composite material winding reinforced steel cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323525A (en) * | 2020-11-16 | 2021-02-05 | 清华大学 | Composite material winding reinforced steel cable and manufacturing method thereof |
| CN112323525B (en) * | 2020-11-16 | 2024-06-28 | 清华大学 | Composite material winding reinforced steel cable and manufacturing method thereof |
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2020
- 2020-11-16 CN CN202022650779.5U patent/CN213772698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323525A (en) * | 2020-11-16 | 2021-02-05 | 清华大学 | Composite material winding reinforced steel cable and manufacturing method thereof |
| CN112323525B (en) * | 2020-11-16 | 2024-06-28 | 清华大学 | Composite material winding reinforced steel cable and manufacturing method thereof |
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