High-strength tensile galvanized steel strand

Abstract

The utility model discloses a high-strength tensile galvanized steel strand which comprises a fixing sleeve, a steel strand is installed in an inner cavity of the fixing sleeve in a penetrating mode, a reinforcing core is arranged in the steel strand in a penetrating mode, a tensile composite layer is installed on the outer surface of the fixing sleeve in a sleeved mode, and the tensile composite layer comprises a tensile inner layer and a tensile outer layer. The outer surface of the tensile outer layer is sleeved with a protective layer, and the outer surface of the fixing sleeve is fixedly sleeved with the tensile inner layer. By using the fixing sleeve, the steel strand, the reinforcing core, the tensile composite layer and the protective layer and utilizing a multi-layer tensile structure, tensile protection can be effectively performed on the steel strand, so that the service life of the steel strand can be prolonged, normal use of the steel strand is ensured, flame-retardant, corrosion-resistant and wear-resistant protection can be performed on the steel strand, and the service life of the steel strand is prolonged. The steel strand cannot be completely combusted when encountering a fire disaster, cannot be corroded when encountering a corrosive environment, and cannot be abraded on the surface after being used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel strand technical field, concretely is a kind of high-strength tensile galvanized steel strand. BACKGROUND

[0002] Galvanized steel strand usually refers to be used for force cable, guy, reinforcing core etc., can also be as overhead transmission ground wire, highway both sides of barrier cable or structural cable in building structure, commonly used prestressed steel strand in prestressed steel strand is low relaxation prestressed steel strand without plating.

[0003] Through retrieval, patent No. CN212152917U, a kind of high-strength tensile galvanized steel strand utility model, including inner steel wire, by research and analysis, it is found that, although the steel strand has the advantages of high strength and tensile, but, to some extent, there are still the following shortcomings.

[0004] For example, only one layer of tensile structure is provided, the tensile property is general, under high-strength working environment, still can cause steel strand to break, at the same time, poor wear resistance, in long time use process, can cause steel strand to wear, and then more easily break down and malfunction, and when encountering fire, it is easy to burn and increase fire, bring great danger, in order to solve the above technical problems, therefore we design a kind of high-strength tensile galvanized steel strand. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-strength tensile galvanized steel strand, with the advantages of multiple tensile and fireproof wear resistance, solve the tensile property is general, under high-strength working environment, still can cause steel strand to break, poor wear resistance, and when encountering fire, it is easy to burn and increase fire.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength tensile galvanized steel strand, including fixed sleeve, the inner cavity of the fixed sleeve is installed with steel strand, the inside of the steel strand is provided with reinforcing core, the outer surface of the fixed sleeve is installed with tensile composite layer, the tensile composite layer includes tensile inner layer and tensile outer layer, the outer surface of the tensile outer layer is installed with protective layer.

[0007] Preferably, the tensile inner layer is fixed to the outer surface of the fixed sleeve, the outer surface of the tensile inner layer is installed with tensile middle layer, and the outer surface of the tensile middle layer is fixedly connected with the inner surface of the tensile outer layer.

[0008] Preferably, the tensile inner layer is made of carbon fiber material, and the tensile middle layer is made of titanium alloy film wrapping.

[0009] Preferably, the protective layer comprises a fire-retardant layer, the outer surface of the fire-retardant layer is sleeved with a corrosion-resistant layer, and the outer surface of the corrosion-resistant layer is sleeved with a wear-resistant layer.

[0010] Preferably, the fire-retardant layer is made of chlorosulfonated polyethylene, the corrosion-resistant layer is made of polytetrafluoroethylene, and the wear-resistant layer is made of crosslinked polyethylene.

[0011] Preferably, the number of the steel strands is six, and the steel strands are wound on the outer surface of the reinforcing core by stranding.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a reinforcing layer of steel strand, which comprises a fixed sleeve, a steel strand, a reinforcing core, an anti-tensile composite layer and a protective layer.

[0014] 2、The utility model discloses a reinforcing layer of steel strand, which comprises a fixed sleeve, a steel strand, a reinforcing core, an anti-tensile composite layer and a protective layer. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is a three-dimensional schematic diagram of the anti-tensile composite layer of the utility model;

[0017] Fig. 3 It is a three-dimensional schematic diagram of the protective layer of the utility model.

[0018] In the drawing: 1, fixed sleeve;2, steel strand;3, reinforcing core;4, anti-tensile composite layer;41, anti-tensile inner layer;42, anti-tensile middle layer;43, anti-tensile outer layer;5, protective layer;51, fire-retardant layer;52, corrosion-resistant layer;53, wear-resistant layer. DETAILED DESCRIPTION

[0019] Please refer to Figs. 1-3 A high-strength anti-tensile galvanized steel strand, comprising a fixed sleeve 1, a steel strand 2 is installed in the inner cavity of the fixed sleeve 1, a reinforcing core 3 is arranged in the steel strand 2, an anti-tensile composite layer 4 is sleeved on the outer surface of the fixed sleeve 1, the anti-tensile composite layer 4 comprises an anti-tensile inner layer 41 and an anti-tensile outer layer 43, and the outer surface of the anti-tensile outer layer 43 is sleeved with a protective layer 5.

[0020] The anti-tension inner layer 41 is fixedly sleeved on the outer surface of the fixed sleeve 1, the outer surface of the anti-tension inner layer 41 is sleeved with the anti-tension middle layer 42, and the outer surface of the anti-tension middle layer 42 is fixedly connected with the inner surface of the anti-tension outer layer 43.

[0021] The anti-tension inner layer 41 is made of carbon fiber material, the carbon fiber has the characteristics of high temperature resistance, friction resistance, heat conduction and corrosion resistance, the anti-tension middle layer 42 is made of titanium alloy film wrapping, the titanium alloy film has the advantages of high strength, good corrosion resistance, high heat resistance and high tensile strength, which can effectively protect the steel strand 2.

[0022] The protective layer 5 includes a flame-retardant layer 51, which is sleeved on the outer surface of the anti-tension outer layer 43, the outer surface of the flame-retardant layer 51 is sleeved with the corrosion-resistant layer 52, and the outer surface of the corrosion-resistant layer 52 is sleeved with the wear-resistant layer 53.

[0023] The flame-retardant layer 51 is made of chlorosulfonated polyethylene material, which has good heat and low temperature resistance and can effectively retard flame, the corrosion-resistant layer 52 is made of polytetrafluoroethylene material, which has excellent corrosion resistance and heat resistance, so that the steel strand 2 can be used in various environments, and the wear-resistant layer 53 is made of cross-linked polyethylene material, which has good wear resistance and heat resistance, and can improve the wear resistance and flame retardance of the steel strand 2.

[0024] The number of steel strands 2 is six, and they are wound on the outer surface of the reinforcing core 3 by stranding, and the reinforcing core 3 is made of high manganese steel wire.

[0025] In use, the steel strand 2 is placed on the outer surface of the reinforcing core 3, then the steel strand 2 is stranded on the outer surface of the reinforcing core 3, then the fixed sleeve 1 is wrapped outside the steel strand 2, and the anti-tension inner layer 41, the anti-tension middle layer 42, the anti-tension outer layer 43, the flame-retardant layer 51, the corrosion-resistant layer 52 and the wear-resistant layer 53 are sequentially sleeved, the three anti-tension layers are used to protect the steel strand 2 from tension, so that the steel strand 2 will not break in the working environment, and the flame-retardant layer 51 can prevent the steel strand 2 from burning in high temperature environment and expanding the fire when encountering fire, the corrosion-resistant layer 52 can make the steel strand 2 work normally in acid and alkali environment, improve the application range of the pipeline, and the wear-resistant layer 53 can prevent the steel strand 2 from being worn out in long-term work, thereby prolonging the service life of the steel strand 2.

[0026] In summary, the high-strength anti-tension galvanized steel strand solves the problems of general anti-tension performance, breakage of steel strand in high-strength working environment, poor wear resistance and easy burning to increase fire when encountering fire by using the fixed sleeve 1, the steel strand 2, the reinforcing core 3, the anti-tension composite layer 4 and the protective layer 5.

Claims

1. A high strength tensile galvanized steel strand comprising a fixing sleeve (1), characterized in that: The inner cavity of the fixing sleeve (1) is provided with a steel strand (2), the inside of the steel strand (2) is provided with a reinforcing core (3), the outer surface of the fixing sleeve (1) is provided with a tensile composite layer (4), the tensile composite layer (4) comprises a tensile inner layer (41) and a tensile outer layer (43), and the outer surface of the tensile outer layer (43) is provided with a protective layer (5).

2. A high strength tensile galvanized steel strand as defined in claim 1, wherein: The tensile inner layer (41) is fixedly sleeved on the outer surface of the fixing sleeve (1), the outer surface of the tensile inner layer (41) is provided with a tensile middle layer (42), and the outer surface of the tensile middle layer (42) is fixedly connected with the inner surface of the tensile outer layer (43).

3. A high strength tensile galvanized steel strand as defined in claim 2, wherein: The tensile inner layer (41) is made of carbon fiber material, and the tensile middle layer (42) is made of a titanium alloy film.

4. A high strength, tensile strength, galvanized steel strand as defined in claim 1 wherein: The protective layer (5) comprises a flame-retardant layer (51), the flame-retardant layer (51) is provided on the outer surface of the tensile outer layer (43), the outer surface of the flame-retardant layer (51) is provided with a corrosion-resistant layer (52), and the outer surface of the corrosion-resistant layer (52) is provided with a wear-resistant layer (53).

5. A high strength, tensile strength, galvanized steel strand as defined in claim 4, wherein: The flame-retardant layer (51) is made of chlorosulfonated polyethylene material, the corrosion-resistant layer (52) is made of polytetrafluoroethylene material, and the wear-resistant layer (53) is made of crosslinked polyethylene material.

6. A high strength, tensile strength, galvanized steel strand as defined in claim 1 wherein: The number of the steel strands (2) is six, and the steel strands (2) are wound on the outer surface of the reinforcing core (3) through stranding, and the reinforcing core (3) is a high manganese steel wire.

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