Novel steel strand carbon fiber composite rod

Abstract

The utility model provides a novel steel strand carbon fiber composite rod, which comprises a protective layer, an optical fiber structure is arranged in the protective layer, the protective layer comprises an insulating sheath, two layers of steel wire meshes are adhered to the lower part of the insulating sheath, and the two layers of steel wire meshes are overlapped. Buckles are sequentially and integrally arranged on the inner side of the steel wire mesh arranged on the outer layer, buckles are also sequentially arranged on the outer side of the steel wire mesh arranged on the inner layer, and the buckles on the inner side of the steel wire mesh arranged on the outer layer and the buckles on the outer side of the steel wire mesh arranged on the inner layer are alternately arranged. According to the utility model, through the arrangement of the steel wire mesh and the buckles, the steel wire mesh can provide support and protection for the whole pipe structure, the deformation degree of the pipe body caused by external extrusion is reduced, and the buckles can limit each other, so that the protective layer and the optical fiber structure are misplaced when being laid or used; and the excessive stretching degree of the optical fiber structure is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of carbon fiber, and particularly relates to a new type of steel strand carbon fiber composite rod. Background Art

[0002] A new type of steel strand carbon fiber composite rod is a composite rod formed by combining carbon fiber bundles, and is often used in cooperation with the steel strands of bridge and railway foundation components to protect the steel strands and detect the stress conditions of the steel strands. The existing steel strand carbon fiber composite rod includes an optical fiber, and a strain sensing paste is arranged outside the optical fiber, an aramid protective layer is arranged outside the strain sensing paste, and a composite carbon fiber layer is arranged outside the aramid protective layer. However, when the existing carbon fiber composite rod is in use, due to the pulling of the internal optical fiber, the internal optical fiber and the external composite carbon fiber rod are prone to dislocation, resulting in the situation that the internal optical fiber may be over-pulled, and the protection and external protection effects are slightly affected. Content of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a new type of steel strand carbon fiber composite rod, which avoids the dislocation of the internal optical fiber and the external composite carbon fiber rod, and can effectively improve the protection effect.

[0004] Wherein the utility model is realized through the following technical solutions:

[0005] A new type of steel strand carbon fiber composite rod includes a protective layer, and an optical fiber structure is installed inside the protective layer. The protective layer includes an insulating sheath, and a steel wire mesh is bonded to the lower part of the insulating sheath. The steel wire mesh is sleeved in two layers, and buckles are integrally arranged in sequence on the inner side of the outer-layer steel wire mesh, and buckles are also arranged in sequence on the outer side of the inner-layer steel wire mesh. Moreover, the buckles on the inner side of the outer-layer steel wire mesh and the buckles on the outer side of the inner-layer steel wire mesh are arranged alternately, and a cushion pipe is fixedly connected inside the inner-layer steel wire mesh.

[0006] Preferably, the optical fiber structure includes a protective sleeve, a purple-clad optical fiber is arranged inside the protective sleeve, and a strain sensing paste is arranged between the protective sleeve and the purple-clad optical fiber.

[0007] Preferably, the cushion pipe is sleeved outside the protective sleeve.

[0008] Preferably, a heat-insulating layer is fixedly installed between the two layers of steel wire meshes.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] 1. In the present utility model, with the arrangement of the wire mesh and the buckle, the wire mesh can provide support and protection for the overall pipe structure, reducing the degree of deformation of the pipe body caused by external extrusion. The buckle can limit each other, preventing the protective layer and the optical fiber structure from being misaligned during laying or use, and reducing the degree of excessive stretching of the optical fiber structure.

[0011] 2. In the present utility model, with the arrangement of the thermal insulation layer, the thermal insulation layer can insulate the environment with complex and changeable temperatures to ensure the normal conduction of the purple-clad optical fiber.

[0012] 3. In the present utility model, with the arrangement of the insulating sheath, the insulating sheath can play a role in waterproofing and can avoid the influence on the optical fiber structure caused by the gnawing of animals and insects, thereby effectively preventing external interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural view of the present utility model.

[0014] Figure 2 is a schematic view of the protective layer and the optical fiber structure of the present utility model.

[0015] In the figure:

[0016] 1. Protective layer; 11. Insulating sheath; 12. Wire mesh; 13. Buckle; 14. Liner tube; 15. Thermal insulation layer; 2. Optical fiber structure; 21. Strain sensing grease; 22. Purple-clad optical fiber; 23. Protection sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The present utility model will be specifically described below with reference to the accompanying drawings. As shown in the Figure 1 drawing, a new type of steel strand carbon fiber composite rod includes a protective layer 1. An optical fiber structure 2 is installed inside the protective layer 1. The protective layer 1 includes an insulating sheath 11. A wire mesh 12 is adhesively bonded to the lower part of the insulating sheath 11. The wire mesh 12 is sleeved in two layers. A thermal insulation layer 15 is fixedly installed between the two layers of the wire mesh 12. Buckles 13 are integrally arranged in sequence on the inner side of the outer layer of the wire mesh 12, and buckles 13 are also arranged in sequence on the outer side of the inner layer of the wire mesh 12. The buckles 13 on the inner side of the outer layer of the wire mesh 12 and the buckles on the outer side of the inner layer of the wire mesh 12 are arranged alternately. A liner tube 14 is fixedly connected inside the inner layer of the wire mesh 12. The buckle 13 can limit each other, preventing the protective layer 1 and the optical fiber structure 2 from being misaligned during laying or use, and reducing the degree of excessive stretching of the optical fiber structure 2.

[0018] In this embodiment, as shown in the Figure 2As shown, the optical fiber structure 2 includes a protective sleeve 23. Inside the protective sleeve 23, there is a purple-coated optical fiber 22, and a strain sensing paste 21 is provided between the protective sleeve 23 and the purple-coated optical fiber 22.

[0019] In this embodiment, specifically, the cushion tube 14 is sleeved outside the protective sleeve 23.

[0020] In this embodiment, specifically, the cushion tube 14 is made of a carbon fiber composite material processed from multiple groups of carbon fiber bundles.

[0021] Working principle

[0022] In the present utility model, the cushion tube 14 is designed to be made of rubber. The cushion tube 14 can gently relieve the external pressure and avoid the situation where the purple-coated optical fiber 22 is fragile and broken due to multiple or severe external pressure. The steel wire mesh 12 can provide a support and protection for the overall tube structure, reducing the degree of deformation of the tube body caused by external extrusion. The heat insulation layer 15 provided between the steel wire meshes 12 can insulate heat and cold, and the heat insulation layer 15 can insulate the environment with complex and changeable temperatures to ensure the normal conduction of the purple-coated optical fiber 22. The insulating sheath 11 can play a role in waterproofing and can avoid the influence on the optical fiber structure 2 caused by the gnawing of animals and insects, thereby effectively preventing external interference and improving the working safety and practical effect of the transmission of the purple-coated optical fiber 22.

[0023] Using the technical solution of the present utility model, or those skilled in the art inspired by the technical solution of the present utility model to design a similar technical solution and achieving the above technical effects shall fall within the protection scope of the present utility model.

Claims

1. A new type of steel strand carbon fiber composite rod, characterized in that: The novel steel strand carbon fiber composite rod comprises a protective layer (1), wherein an optical fiber structure (2) is installed inside the protective layer (1), wherein the protective layer (1) comprises an insulating sheath (11), wherein a steel wire mesh (12) is bonded to the lower part of the insulating sheath (11), wherein the steel wire mesh (12) is arranged in two layers in a stacked manner, wherein buckles (13) are integrally arranged on the inner side of the steel wire mesh (12) arranged on the outer layer, and buckles (13) are also arranged on the outer side of the steel wire mesh (12) arranged on the inner layer, and wherein the buckles (13) on the inner side of the steel wire mesh (12) on the outer layer and the buckles on the outer side of the steel wire mesh (12) on the inner layer are arranged alternately.

2. The novel steel strand carbon fiber composite rod according to claim 1, characterized in that: The optical fiber structure (2) comprises a protective sleeve (23), a purple-clad optical fiber (22) is arranged inside the protective sleeve (23), and a strain sensing grease (21) is arranged between the protective sleeve (23) and the purple-clad optical fiber (22).

3. The novel steel strand carbon fiber composite rod according to claim 1, characterized in that: A cushion pipe (14) is fixedly connected to the interior of the steel wire mesh (12) of the inner layer.

4. The novel steel strand carbon fiber composite rod according to claim 3, characterized in that: The cushion tube (14) is sleeved on the outside of the protective sleeve (23).

5. The novel steel strand carbon fiber composite rod according to claim 1, characterized in that: A heat-insulating layer (15) is fixedly installed between the two layers of steel wire mesh (12).

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