High-voltage metal composite flexible carbon-free insulating composite pipe

Abstract

The utility model discloses a high-voltage metal combined flexible carbon-free insulation composite pipe, which belongs to the technical field of composite pipes and comprises a special carbon-free insulation composite adhesive layer, a protective layer, a pressure-bearing structural layer and a special carbon-free insulation composite adhesive layer. The carbon-free insulation special-purpose composite adhesive layer, the protection layer, the pressure-bearing structure layer and the carbon-free insulation special-purpose composite adhesive layer are successively bonded from inside to outside. The carbon-containing insulation composite pipe has good comprehensive performance of wear resistance, heat resistance, corrosion resistance, insulation and mechanical shock and thermal shock resistance, the insulation performance and the high temperature resistance are better than those of a common carbon-containing insulation composite pipe, the electrical performance is more stable, and current leakage and electrical accidents can be effectively prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of composite pipes, and more specifically relates to a high-voltage metal alloy flexible carbon-free insulation composite pipe. Background Art

[0002] Insulating composite pipe is a kind of pipe material with insulating properties, which is composited by multiple materials. The specific composite method and material type may vary depending on the manufacturer and application field, but usually include one or more layers of insulating materials to provide isolation and protection for current and voltage. Insulating composite pipes are commonly used in electrical, communication, water supply and drainage and other fields to protect cables, wires, optical cables and other pipelines from being affected and damaged by the external environment, for example, in power systems. Insulating composite pipes can be used for the protection and support of cables to ensure the safe operation of cables. However, the materials used in the insulating composite pipes in the prior art all contain carbon, resulting in poor insulation and high temperature resistance. Therefore, how to provide a high-voltage metal alloy flexible carbon-free insulating composite pipe is a problem that technicians in this field urgently need to solve. Utility Model Content

[0003] In view of this, the utility model provides a high-voltage metal alloy flexible carbon-free insulating composite pipe, which has good comprehensive properties of wear resistance, heat resistance, corrosion resistance, insulation, and resistance to mechanical shock and thermal shock. The insulation performance and high temperature resistance are better than ordinary carbon-containing insulating composite pipes, and the electrical performance is more stable, which can effectively prevent current leakage and electrical accidents.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A high-voltage metal alloy flexible carbon-free insulation composite pipe comprises: a carbon-free insulation special composite adhesive layer, a protective layer, a pressure-bearing structure layer and a carbon-free insulation special special composite adhesive layer, wherein the carbon-free insulation special composite adhesive layer, the protective layer, the pressure-bearing structure layer and the carbon-free insulation special special composite adhesive layer are bonded in sequence from the inside to the outside.

[0006] Furthermore, the protective layer is rubber-rubbed cord fabric or rubber-coated cord fabric.

[0007] Furthermore, the rubber-rubbed cord fabric or the rubber-covered cord fabric is one layer or two layers.

[0008] Furthermore, the pressure-bearing structure layer is a steel wire braided layer or a steel wire wound layer.

[0009] Furthermore, the steel wire braided layer and the steel wire wound layer are both single-layer or multi-layer.

[0010] Furthermore, a middle rubber bonding layer is provided in the middle of each layer of the multiple layers of the steel wire braided layers and the multiple layers of the steel wire wound layers.

[0011] Both ends of the high-voltage metal alloy flexible carbon-free insulating composite pipe are connected with hose connectors.

[0012] Furthermore, the carbon-free insulation dedicated composite adhesive layer, the protective layer, the pressure-bearing structure layer and the carbon-free insulation dedicated special composite adhesive layer are all embedded with insulating protective sleeves.

[0013] The beneficial effects of the utility model are:

[0014] The utility model has a simple structure and is easy to use. It is provided with a carbon-free insulation special composite adhesive layer, a protective layer, a pressure-bearing structure layer and a carbon-free insulation special special composite adhesive layer, wherein the innermost layer is a carbon-free insulation special composite adhesive layer, and the outermost layer is a carbon-free insulation special special composite adhesive layer. Both materials are carbon-free insulating materials, thereby playing the role of wear resistance, heat resistance, corrosion resistance, insulation and resistance to mechanical shock and thermal shock. The electrical performance is more stable and can effectively prevent the occurrence of current leakage and electrical accidents. At the same time, the single-layer or multi-layer steel wire braided layer and the single-layer or multi-layer steel wire winding layer provided in the pressure-bearing structure layer further enhance the toughness of the utility model high-voltage metal alloy flexible carbon-free insulation composite pipe, and improve the performance of mechanical shock resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0016] Figure 1 The accompanying drawing is a schematic structural diagram of the utility model.

[0017] Among them, in the figure:

[0018] 1-Special composite adhesive layer for carbon-free insulation; 2-Protective layer; 3-Pressure-bearing structure layer; 4-Special composite adhesive layer for carbon-free insulation. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Please refer to the attached Figure 1The utility model provides a high-voltage metal alloy flexible carbon-free insulation composite pipe, including: a carbon-free insulation special composite adhesive layer 1, a protective layer 2, a pressure-bearing structure layer 3 and a carbon-free insulation special special composite adhesive layer 4, wherein the carbon-free insulation special composite adhesive layer 1, the protective layer 2, the pressure-bearing structure layer 3 and the carbon-free insulation special special composite adhesive layer 4 are sequentially bonded from the inside to the outside. Since the innermost layer adopts the carbon-free insulation special composite adhesive layer 1 and the outermost layer adopts the carbon-free insulation special special composite adhesive layer 4, the electrical performance of the composite pipe of the utility model is more stable than that of the traditional carbon-containing composite pipe, and the occurrence of current leakage and electrical accidents can be effectively prevented. The special composite adhesive is made of a variety of chemical raw materials with different proportions, mixed by a kneading mill or an internal mixer, cooled by a twin-screw extruder, filtered, added with medicine (chemical raw material compounding agent), and cooled again.

[0021] The special composite adhesive layer 1 for carbon-free insulation can be made of natural rubber, zinc oxide, accelerator TT, antioxidant D, stearic acid, paraffin, calcium carbonate, talcum powder, magnesium carbonate, operating oil, and colorant; the special composite adhesive layer 4 for carbon-free insulation is made of smoked sheet glue, zinc oxide, sulfur, stearic acid, accelerator DM, accelerator TT, paraffin, polyvinyl chloride, talcum powder, and dioctyl sebum.

[0022] The protective layer 2 is a rubber-rubbed cord fabric or a rubber-coated cord fabric.

[0023] The rubber-rubbed cord fabric or the rubber-covered cord fabric is one layer or two layers.

[0024] The pressure-bearing structure layer 3 is a steel wire braided layer or a steel wire wound layer.

[0025] The steel wire braided layer and the steel wire winding layer are both single-layer or multi-layer.

[0026] Each of the multiple layers of the steel wire braided layer and the multiple layers of the steel wire winding layer has a middle rubber bonding layer in the middle. In actual use, different numbers of steel wire braided layers or steel wire winding layers can be selected according to the actual pressure bearing size.

[0027] Both ends of the high-voltage metal alloy flexible carbon-free insulating composite pipe are connected with hose connectors.

[0028] The carbon-free insulation special composite adhesive layer 1, the protective layer 2, the pressure-bearing structure layer 3 and the carbon-free insulation special composite adhesive layer 4 are all inlaid with an insulating protective sleeve. To further enhance the insulation effect, the insulating protective sleeve is made of a polymer material, preferably PEEK or fluoroplastic.

[0029] The utility model has a simple structure and is easy to use. It is provided with a carbon-free insulation special composite adhesive layer 1, a protective layer 2, a pressure-bearing structure layer 3 and a carbon-free insulation special special composite adhesive layer 4, wherein the innermost layer is the carbon-free insulation special composite adhesive layer 1, and the outermost layer is the carbon-free insulation special special composite adhesive layer 4. Both materials are insulating materials that do not contain carbon, thereby playing the role of wear resistance, heat resistance, corrosion resistance, insulation, and resistance to mechanical shock and thermal shock. The electrical performance is more stable and can effectively prevent the occurrence of current leakage and electrical accidents. At the same time, the single-layer or multi-layer steel wire braided layer and the single-layer or multi-layer steel wire winding layer provided in the pressure-bearing structure layer 3 further enhance the toughness of the utility model high-voltage metal alloy flexible carbon-free insulation composite pipe, and improve the performance of mechanical shock resistance.

[0030] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0031] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. High-voltage metal alloy flexible carbon-free insulated composite pipe, characterized in that: include: A carbon-free insulation special composite adhesive layer (1), a protective layer (2), a pressure-bearing structure layer (3) and a carbon-free insulation special special composite adhesive layer (4), wherein the carbon-free insulation special composite adhesive layer (1), the protective layer (2), the pressure-bearing structure layer (3) and the carbon-free insulation special special composite adhesive layer (4) are sequentially bonded from the inside to the outside.

2. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 1, characterized in that: The protective layer (2) is a rubber-rubbed cord fabric or a rubber-coated cord fabric.

3. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 2 is characterized in that: The rubber-rubbed cord fabric or the rubber-covered cord fabric is one layer or two layers.

4. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 1, characterized in that: The pressure-bearing structural layer (3) is a steel wire braided layer or a steel wire wound layer.

5. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 4, characterized in that: The steel wire braided layer and the steel wire winding layer are both single-layer or multi-layer.

6. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 5, characterized in that: A middle rubber bonding layer is provided in the middle of each of the multiple layers of the steel wire braided layers and the multiple layers of the steel wire winding layers.

7. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 1, characterized in that: Hose connectors are connected at both ends.

8. The high-voltage metal alloy flexible carbon-free insulated composite pipe according to claim 1, characterized in that: The carbon-free insulation dedicated composite adhesive layer (1), the protective layer (2), the pressure-bearing structure layer (3) and the carbon-free insulation dedicated special composite adhesive layer (4) are all inlaid with insulating protective sleeves.

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