High-mechanical-strength metal armored electric tracing band

Abstract

The utility model discloses a high-mechanical-strength metal armored electric tracing band, which belongs to the technical field of electric tracing bands and comprises an outer armored layer, a first protective layer, a shielding layer and a second protective layer. A plurality of deformation grooves are formed in the inner ring of the outer armor layer and the outer surfaces of the first protective layer, the shielding layer and the second protective layer at equal intervals, a plurality of fixing grooves are uniformly formed in the outer surfaces of the first protective layer, the shielding layer and the second protective layer, elastic pieces are arranged on the fixing grooves, and the elastic pieces are connected with the first protective layer, the shielding layer and the second protective layer. And a positioning bump is arranged on one side of the middle part of the elastic sheet. According to the utility model, through components such as the positioning convex blocks and the positioning grooves, when the electric tracing band is installed and wound, the movement amplitude between layers can be reduced, the connection strength between the layers can be ensured, and the stable operation of the electric tracing band can be further ensured.

Description

A high mechanical strength metal armored electric heat tracing cable Technical Field

[0001] This utility model relates to the field of electric heat tracing technology, specifically a high mechanical strength metal armored electric heat tracing cable. Background Technology

[0002] Armored electric heating tape is a heat tracing and insulation device used for pipelines, equipment, etc. Electric heating tape features high temperature resistance, high mechanical strength, safety and reliability, and convenient installation. It has been widely used in crude oil pipelines and chemical raw material storage tanks in the petrochemical industry, steam pipelines and hot water pipes in the power industry, molten steel pipelines and iron pipelines in the iron and steel metallurgy industry, and water supply and drainage pipelines and fire protection pipelines in the construction industry. It is an important device for maintaining the temperature of pipeline equipment.

[0003] However, existing high-strength metal-armored electric heating cables have the following problems during use: because the layers of the armored electric heating cable are generally connected only by contact friction, the connection between the layers is affected during the winding and installation of the cable, thus affecting the overall performance of the armored electric heating cable. Therefore, it is necessary to design corresponding technical solutions to address these technical problems. Summary of the Invention

[0004] The purpose of this utility model is to provide a high mechanical strength metal armored electric heating cable, which solves the technical problem that the connection between the layers of the armored electric heating cable is generally only connected by the frictional force of contact, and the connection between the layers is affected during the winding and installation of the electric heating cable, thus affecting the overall performance of the armored pad heat cable, and meeting the actual use requirements.

[0005] To achieve the above objectives, this utility model provides the following technical solution: it includes an outer armor layer, a first protective layer, a shielding layer, and a second protective layer. The second protective layer has several wires evenly spaced inside. The inner ring of the outer armor layer, the first protective layer, the shielding layer, and the outer surface of the second protective layer are all evenly spaced with several deformation grooves. The outer surfaces of the first protective layer, the shielding layer, and the second protective layer are all evenly spaced with several fixing grooves. An elastic sheet is provided on each fixing groove, and a positioning protrusion is provided on one side of the middle portion of each elastic sheet.

[0006] The first protective layer, the shielding layer, and the inner ring of the second protective layer are all uniformly provided with a plurality of positioning grooves, and a sliding groove is provided between the positioning grooves.

[0007] In a preferred embodiment of the present invention, the first protective layer is located on the inner ring of the outer armor layer, the shielding layer is located on the inner ring of the first protective layer, and the second protective layer is located on the inner ring of the shielding layer.

[0008] In a preferred embodiment of this utility model, the recessed part of the deformation groove has an arc-shaped structure, and the fixing groove has a circular structure.

[0009] In a preferred embodiment of the present invention, the elastic sheet is generally in the form of a ring, the positioning protrusion is generally in the form of a cylinder with a hemispherical end, and one end of the positioning protrusion is fixedly connected to the annular hole in the middle of the elastic sheet.

[0010] In a preferred embodiment of this utility model, the elastic sheet is made of a material with deformation force and elasticity, and the position of the positioning groove corresponds to the position of the positioning protrusion.

[0011] In a preferred embodiment of this utility model, the positioning protrusion is inserted into the positioning groove located in the adjacent layer, the movable slide has an arc-shaped concave structure, and the two ends of the movable slide are connected to the positioning groove at different positions.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] The use of positioning protrusions and grooves ensures strong connections between layers. When layers are connected, the positioning protrusions move within the sliding groove and into the positioning groove. The elastic plate then pushes the protrusions into the groove. During subsequent winding and installation, this provides a certain tensile force to prevent excessive movement between layers and maintain connection strength. Simultaneously, the deformation grooves provide deformation force during the overall winding of the electric heating cable, relieving tension between layers and reducing displacement. Furthermore, the grooves facilitate cutting and positioning during heating cable cutting or end wire installation, allowing for quick and easy cutting of the outer layers, simplifying installation and use, thus solving problems affecting the overall performance of the armored electric heating cable. Attached Figure Description

[0014] Figure 1 is a schematic diagram of the overall invention.

[0015] Figure 2 is a structural diagram of the fixing groove of this utility model;

[0016] Figure 3 is a structural diagram of the movable slide rail described in this utility model.

[0017] In the diagram: outer armor layer-1, shielding layer-2, second protective layer-3, wire-4, first protective layer-5, deformation groove-6, fixing groove-7, elastic sheet-8, positioning protrusion-9, moving slide-10, positioning groove-11. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please refer to Figures 1-3. This utility model provides a technical solution: a high mechanical strength metal armored electric heating cable, including: an outer armor layer 1, a first protective layer 5, a shielding layer 2, and a second protective layer 3. Several wires 4 are evenly spaced inside the second protective layer 3. Several deformation grooves 6 are evenly spaced on the inner ring of the outer armor layer 1, the outer ring of the first protective layer 5, the outer ring of the shielding layer 2, and the outer ring of the second protective layer 3. Specifically, the deformation grooves 6 are located on the inner ring of the outer armor layer 1. This design does not affect the external protection capability of the outer armor layer 1. In order to facilitate the subsequent installation of the electric heating cable, the positions of the deformation grooves 6 need to be marked on the outer ring of the outer armor layer 1 to facilitate subsequent cutting work. Several fixing grooves 7 are evenly spaced on the outer rings of the first protective layer 5, the shielding layer 2, and the second protective layer 3. An elastic sheet 8 is provided on the fixing groove 7, and a positioning protrusion 9 is provided on one side of the middle part of the elastic sheet 8.

[0020] The inner rings of the first protective layer 5, the shielding layer 2, and the second protective layer 3 are all uniformly provided with a number of positioning grooves 11, and movable slides 10 are provided between the positioning grooves 11.

[0021] In a further improvement, the first protective layer 5 is located on the inner ring of the outer armor layer 1, the shielding layer 2 is located on the inner ring of the first protective layer 5, and the second protective layer 3 is located on the inner ring of the shielding layer 2.

[0022] Further improvements include an arc-shaped recess in the deformation groove 6 and a circular structure in the fixing groove 7.

[0023] Further improvements include an overall annular structure for the elastic sheet 8, an overall cylindrical structure for the positioning protrusion 9 with a hemispherical end, and a fixed connection between one end of the positioning protrusion 9 and the annular hole in the middle of the elastic sheet 8.

[0024] Further improvements include the elastic sheet 8 being made of a material with deformation force and elasticity, and the position of the positioning groove 11 corresponding to the position of the positioning protrusion 9.

[0025] In a further improvement, the positioning protrusion 9 is inserted into the positioning groove 11 located in the adjacent layer, and the moving slide 10 has an arc-shaped concave structure, with both ends of the moving slide 10 connected to the positioning groove 11 at different positions.

[0026] In use: When the second protective layer 3, shielding layer 2, first protective layer 5 and outer armor layer 1 are connected in sequence, the positioning protrusion 9 is under pressure, squeezing the elastic sheet 8, and can retract into the fixing groove 7. The end of the positioning protrusion 9 moves in the moving slide 10, and after each layer moves into place, the positioning protrusion 9 moves into the positioning groove 11 by pushing away the elastic sheet 8. During subsequent winding and installation, it can provide a certain connection pulling force when each layer moves, avoid excessive movement between layers, and ensure connection strength. At the same time, when the electric heating cable is wound as a whole, the deformation groove 6 can deform each layer to a certain extent, reduce the deformation pulling force between layers, and provide positioning when the electric heating cable is cut according to installation needs. Also, when the wire 4 is pulled out at the end for installation, it is convenient to cut each layer and facilitate the installation connection of the guide 4 end.

[0027] The outer armor layer-1, shielding layer-2, second protective layer-3, wire-4, first protective layer-5, deformation groove-6, fixing groove-7, elastic sheet-8, positioning protrusion-9, moving slide-10, and positioning groove-11 of this utility model are all general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. The problem solved by this utility model is that the layers of the armored electric heating tape are generally connected only by contact friction. During the winding and installation of the electric heating tape, the connection between the layers is affected, which affects the overall performance of the armored pad and the heating tape. This utility model solves the problem by combining the above-mentioned components, and the deformation groove, positioning protrusion, and... Components such as positioning grooves can conveniently strengthen the connection strength between the outer armor layer, shielding layer, second protective layer, and first protective layer. During the winding and installation of the electric heating cable, it ensures that the movement between each layer is not too large. The positioning protrusion moves within the sliding groove and into the positioning groove. Through the pushing force of the elastic plate, the positioning protrusion can be pushed and inserted into the positioning groove, providing a certain connection pulling force. The deformation grooves on each layer can provide a certain deformation force to each layer, thereby effectively reducing the pulling force during the winding and installation of the electric heating cable. At the same time, the deformation grooves also facilitate quick positioning and cutting during subsequent cutting of the electric heating cable, making it convenient to cut according to different length requirements and to peel off and cut each layer for end guidance during installation, thus improving the convenience of installation.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered illustrative and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high mechanical strength metal-armored electric heating tape, characterized in that: It includes an outer armor layer (1), a first protective layer (5), a shielding layer (2), and a second protective layer (3). The second protective layer (3) has several wires (4) arranged at equal intervals inside. The outer ring of the outer armor layer (1), the first protective layer (5), the shielding layer (2), and the second protective layer (3) have several deformation grooves (6) arranged at equal intervals on their outer surfaces. The first protective layer (5), the shielding layer (2), and the second protective layer (3) have several fixing grooves (7) evenly arranged on their outer surfaces. An elastic sheet (8) is provided on the fixing groove (7). A positioning protrusion (9) is provided on one side of the middle part of the elastic sheet (8). The inner ring of the first protective layer (5), the shielding layer (2), and the second protective layer (3) have several positioning grooves (11) evenly arranged on their inner surfaces. A sliding groove (10) is provided between the positioning grooves (11).

2. The high mechanical strength metal-armored electric heating tape according to claim 1, characterized in that: The first protective layer (5) is located on the inner ring of the outer armor layer (1), the shielding layer (2) is located on the inner ring of the first protective layer (5), and the second protective layer (3) is located on the inner ring of the shielding layer (2).

3. The high mechanical strength metal-armored electric heating tape according to claim 1, characterized in that: The recessed part of the deformation groove (6) has an arc-shaped structure, and the fixing groove (7) has a circular structure.

4. The high mechanical strength metal-armored electric heating tape according to claim 1, characterized in that: The elastic sheet (8) has an overall ring-shaped structure, and the positioning protrusion (9) has an overall cylindrical structure with a hemispherical end. One end of the positioning protrusion (9) is fixedly connected to the annular hole in the middle of the elastic sheet (8).

5. The high mechanical strength metal-armored electric heating tape according to claim 1, characterized in that: The elastic sheet (8) is made of a material with deformation force and elasticity, and the position of the positioning groove (11) corresponds to the position of the positioning protrusion (9).

6. The high mechanical strength metal-armored electric heating tape according to claim 1, characterized in that: The positioning protrusion (9) is inserted into the positioning groove (11) located in the adjacent layer. The moving slide (10) has an arc-shaped concave structure. The two ends of the moving slide (10) are connected to the positioning groove (11) at different positions.

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