Grounding lead for railway signal

Abstract

The utility model belongs to the technical field of grounding leads, and particularly relates to a grounding lead for railway signals, which comprises a lead. The sheath is located on the outer side of the end, inserted into the soil, of the wire and used for protecting the wire from being corroded by the soil, and a shrinkage sleeve is arranged in the sheath and used for wrapping the outer surface of the part, inserted into the soil, of the wire to form secondary protection; the ring seat is installed on the outer side, close to the soil surface, of the wire, a positioning protrusion is arranged on the upper portion of the ring seat and is in butt joint with a spiral groove formed in the sheath, and an outer conical protrusion is arranged on the outer side of the sheath and used for cutting soil, so that the outer conical protrusion is matched with the sheath to form the spiral in-out characteristic; and after the sheath is taken out, an annular space is formed on the outer side of the wire, so that the wire is convenient to take, place and maintain. According to the utility model, inner and outer double-layer protection can be formed on the outer side of the wire inserted into the soil part, so that the wire is prevented from being corroded by the soil to maintain the use performance, and the wire can be easily taken, placed and replaced.

Description

Technical Field

[0001] This utility model belongs to the field of grounding conductor technology, and in particular relates to a grounding conductor for railway signals. Background Technology

[0002] Grounding conductors for railway signals are an important component of railway signaling systems. They are typically made of materials with good conductivity, corrosion resistance, and mechanical strength. One end is inserted into the soil to conduct current into the earth, ensuring the safe and stable operation of the railway signaling system.

[0003] In the section where the conductor core is inserted into the soil, the moisture, oxygen, and possible chemicals in the soil will accelerate the corrosion of the conductor due to the installation environment. In particular, when the soil has high water content and high porosity, the corrosion rate may be even faster, which leads to a shorter lifespan of the conductor in this section and is not conducive to long-term stable use.

[0004] To address the aforementioned problems, this application proposes a grounding conductor for railway signals. Utility Model Content

[0005] The purpose of this invention is to provide a grounding conductor for railway signals, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a grounding conductor for railway signals, comprising a conductor; a sheath located on the outside of the end of the conductor inserted into the soil, used to protect the conductor from soil corrosion, the inside of which has a shrink sleeve to wrap around the outer surface of the section of the conductor inserted into the soil to form secondary protection; and a ring seat installed on the outside of the conductor near the soil surface, with a positioning protrusion on the top that engages with a spiral groove opened inside the sheath, the outside of which has an outer conical protrusion for cutting the soil, thereby forming a spiral entry and exit characteristic with the sheath, and forming an annular space on the outside of the conductor after the sheath is removed, facilitating the removal, placement and maintenance of the conductor.

[0008] Furthermore, one side of the ring seat is used to install a shrink sleeve, and the other side is an extended ring sleeve. The inner side of the ring sleeve is connected to a wire by heat fusion to form a heat fusion part.

[0009] Furthermore, the inner side of the sheath near the end of the conductor is provided with an inner protrusion, which, together with the ring seat and the sheath, forms a storage cavity for storing the shrink sleeve.

[0010] Furthermore, the inner side of the inner protrusion is provided with a protruding arc-shaped structure to block moisture and gas from the outer surface of the conductor.

[0011] Furthermore, the positioning protrusion is an inclined structure that forms a sliding connection with the spiral groove in the area above the ring seat.

[0012] Furthermore, the upper end of the positioning protrusion is provided with a roller groove for installing ball bearings to reduce frictional resistance when the sheath moves.

[0013] Furthermore, the sheath is also used to lay the shrink sleeve by rotating it, and one end of the shrink sleeve is rotatably connected to the inner protrusion.

[0014] This utility model has the following beneficial effects:

[0015] This invention, by adding a storage cavity, allows the shrink sleeve to be laid on the outside of the wire inserted into the soil section, thereby forming a double layer of protection. This effectively prevents the wire from being corroded by moisture and oxygen in the soil, ensuring the stable function of the wire while extending its service life.

[0016] This invention, through the screwing connection between the positioning protrusion and the spiral groove and the reduction of frictional resistance by the ball bearings, allows the sheath to be directly removed during wire maintenance, and the length can be adjusted by screwing it in, so as to meet the needs of different laying lengths.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the sheath and the wire assembly of this utility model.

[0021] Figure 3 This is a schematic diagram of the internal structure of the sheath of this utility model;

[0022] Figure 4 This is a schematic diagram of the cross-section of the sheath and its partially enlarged structure of the present invention;

[0023] Figure 5 This is a partially enlarged structural diagram of part A of this utility model;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] In the diagram: 1. Wire; 2. Sheath; 3. Ring; 4. Outer conical protrusion; 5. Ring seat; 6. Shrink sleeve; 7. Inner protrusion; 8. Spiral groove; 9. Receiving cavity; 10. Hot melt section; 11. Positioning protrusion; 12. Ball bearing; 13. Groove. Detailed Implementation

[0026] 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.

[0027] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Please see Figure 1-5 As shown, this utility model is a grounding conductor for railway signals, including conductor 1;

[0029] Sheath 2 is located on the outside of the end of the conductor 1 that is inserted into the soil. It is used to protect the conductor 1 from soil corrosion. Inside the sheath 2, there is a shrink sleeve 6 to wrap the outer surface of the section of the conductor 1 that is inserted into the soil to form secondary protection.

[0030] The ring seat 5 is installed on the outside of the conductor 1 near the soil surface. The upper part is provided with a positioning protrusion 11 that connects to the spiral groove 8 opened inside the sheath 2. The outer side of the sheath 2 is provided with an outer conical protrusion 4 for cutting the soil, thereby forming a spiral entry and exit characteristic with the sheath 2. After the sheath 2 is removed, an annular space is formed on the outside of the conductor 1 to facilitate the removal, placement and maintenance of the conductor 1.

[0031] This embodiment provides a grounding conductor for railway signals that prevents soil corrosion. The double-layer protective structure formed by the sheath 2 and the shrink sleeve can effectively block the intrusion of components such as moisture and oxygen, maintain the stability of the conductor 1 and extend its service life. In addition, the screw-in installation structure of the sheath 2 can be removed at any time to detach from the soil, thereby forming an annular space on the outside of the conductor 1, which can easily remove the conductor 1 for inspection or replacement.

[0032] One side of the ring seat 5 is used to install the shrink sleeve 6, and the other side is an extended ring sleeve 3. The inner side of the ring sleeve 3 is connected to the wire 1 by heat fusion to form a heat fusion part 10. The extension of the ring sleeve 3 is also used to increase the operating space, making it easier to clean the heat fusion part 10 and disassemble the ring sleeve 2. It can still be used after the wire 1 is replaced.

[0033] Among them, the inner side of the sheath 2 near the end of the conductor 1 is provided with an inner protrusion 7, which, together with the ring seat 5 and the sheath 2, forms a storage cavity 9 for storing the shrink sleeve 6. One end of the shrink sleeve 6 is rotatably connected to the inner protrusion 7, and the shrink sleeve 6 is axially compressed and stored before the sheath 2 is used. The shrink sleeve 6 is laid by the sheath 2 rotating and moving.

[0034] The inner side of the inner protrusion 7 has a protruding arc-shaped structure, which is used to block gas and moisture from the outer surface of the wire 1.

[0035] The positioning protrusion 11 is an inclined structure that forms a sliding connection with the spiral groove 8 in the area above the ring seat 5. When viewed from above, the inclination of the positioning protrusion 11 coincides with the inclination of the spiral groove 8.

[0036] The upper end of the positioning protrusion 11 has a groove 13 inside, which is used to install the ball bearing 12 to reduce the frictional resistance when the sheath 2 moves.

[0037] It is understood that this utility model can form an inner and outer double layer of protection on the outside of the wire 1 inserted into the soil, so that the wire 1 is protected from soil corrosion to maintain its performance. In addition, the wire 1 can be easily removed, placed, and replaced.

[0038] A specific application of the operation process of this embodiment is as follows: In use, the ring sleeve 3 is first placed on the outside of the conductor 1 and connected and fixed by the heat-fusion part 10. At this time, the sheath 2 is located outside the ring seat 5. By using the docking of the positioning protrusion 11 and the spiral groove 8, the sheath 2 can be directly screwed in to make it fit on the outside of the end of the conductor 1. Then, the shrink sleeve 6 is laid on the outer surface of the conductor 1 to form a double layer of protection inside and outside. This can effectively prevent the conductor 1 from being corroded by soil moisture and oxygen, improve the performance of the conductor 1, maintain its long-term stability, and extend its service life. In addition, by screwing in, the sheath 2 can be removed at any time to form a gap on the outside of the conductor 1, so that it can be easily removed for inspection or replacement.

[0039] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0040] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A grounding conductor for railway signals, comprising conductor (1), characterized in that: The sheath (2) is located on the outside of the end of the conductor (1) inserted into the soil and is used to protect the conductor (1) from soil corrosion. The sheath (2) is provided with a shrink sleeve (6) inside to wrap the outer surface of the section of the conductor (1) inserted into the soil to form secondary protection. The ring seat (5) is installed on the outside of the conductor (1) near the soil surface. The upper part is provided with a positioning protrusion (11) which connects to the spiral groove (8) opened inside the sheath (2). The outer side of the sheath (2) is provided with an outer conical protrusion (4) for cutting the soil, thereby forming a spiral entry and exit characteristic with the sheath (2). After the sheath (2) is removed, an annular space is formed on the outside of the conductor (1) to facilitate the removal, placement and maintenance of the conductor (1).

2. A grounding conductor for railway signals according to claim 1, characterized in that: One side of the ring seat (5) is used to install the shrink sleeve (6), and the other side is an extended ring sleeve (3). The inner side of the ring sleeve (3) is connected to the wire (1) by heat fusion to form a heat fusion part (10).

3. A grounding conductor for railway signals according to claim 1, characterized in that: The sheath (2) has an inner protrusion (7) on the inner side near the end of the conductor (1), which, together with the ring seat (5) and the sheath (2), forms a storage cavity (9) for storing the shrink sleeve (6).

4. A grounding conductor for railway signals according to claim 3, characterized in that: The inner side of the inner protrusion (7) is provided with a protruding arc-shaped structure to block moisture from the outer surface of the conductor (1).

5. A grounding conductor for railway signals according to claim 1, characterized in that: The positioning protrusion (11) is an inclined structure and forms a sliding connection with the spiral groove (8) in the area above the ring seat (5).

6. A grounding conductor for railway signals according to claim 1, characterized in that: The upper end of the positioning protrusion (11) has a groove (13) for installing ball bearings (12) to reduce the frictional resistance when the sheath (2) moves.

7. A grounding conductor for railway signals according to claim 1, characterized in that: The sheath (2) is also used to lay the shrink sleeve (6) by rotating it, and one end of the shrink sleeve (6) is rotatably connected to the inner protrusion (7).

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