Railway transportation anticorrosive special cable

Abstract

The utility model provides a kind of anticorrosive special cable for rail transit, the anticorrosive special cable includes: cable main body, the cable main body right end is equipped with first connecting piece;Second connecting piece, the second connecting piece is installed in cable main body left end, the first connecting piece is cooperated with the connection of adjacent cable main body with second connecting piece;Wherein, the cable main body includes sheath layer and plastic anticorrosive layer, the sheath layer inner wall is fixedly connected with plastic anticorrosive layer;Conductor protrusion in one cable main body is engaged with another conductor slot, realize the contact stability of adjacent cable main body, under the effect of first sealing washer, realize the connection sealing property of connecting cylinder and fixed cylinder inner wall, rotate fixed nut, and then thread column is fixed stably in fixed cylinder, realize the connection sealing property of cable main body, avoid external moisture gas to infiltrate into cable interior, guarantee cable interior is not affected by corrosion, guarantee the service life of cable.

Description

Technical Field

[0001] This utility model relates to the field of corrosion-resistant special cable technology, specifically a corrosion-resistant special cable for rail transit. Background Technology

[0002] Specialty cables are wires and cables with special properties, designed for specific environments or occasions. They are widely used in military, aerospace, petrochemical, nuclear power plants and rail transportation. With industrial upgrading, specialty cables continue to develop in terms of high temperature resistance, lightweight, and radiation resistance. Market demand is growing as the defense, energy and intelligent manufacturing sectors expand.

[0003] Currently, in the use of special cables, during long-term cable laying, gaps are prone to appear at the cable joints, which can easily lead to corrosion and damage at the end connections, affecting the service life of the cable. Utility Model Content

[0004] This utility model addresses the technical problem that during long-term cable laying, gaps easily appear at the cable joints, leading to corrosion and damage at the ends, which affects the service life of the cable. It provides a corrosion-resistant special cable for rail transit.

[0005] This utility model solves the above-mentioned technical problems through the following technical solutions: This utility model provides a corrosion-resistant special cable for rail transit, the corrosion-resistant special cable for rail transit includes: The cable body has a first connector installed at its right end. The second connector is installed at the left end of the cable body, and the first connector and the second connector cooperate to connect adjacent cable bodies; The cable body includes an outer jacket and a plastic anti-corrosion layer, with the plastic anti-corrosion layer fixedly connected to the inner wall of the outer jacket.

[0006] Furthermore, the first connector includes a connecting ring, a connecting cylinder, and a first sealing ring. The connecting ring is fixedly sleeved on the right end surface of the cable body, the connecting cylinder is fixedly connected to the right side of the connecting ring, and the first sealing ring is sleeved on the surface of the connecting cylinder.

[0007] Furthermore, the second connector includes a fixed cylinder, a second sealing ring, and a threaded post. The fixed cylinder is fixedly connected to the left end of the cable body, and the threaded post is fixedly connected to the left end of the fixed cylinder. The threaded post passes through the second sealing ring.

[0008] Furthermore, a connecting cylinder is sleeved inside the fixed cylinder, and the inner wall of the fixed cylinder is in contact with the first sealing ring sleeved on the surface of the connecting cylinder.

[0009] Furthermore, the number of threaded posts is four, and the four threaded posts are distributed in a ring on the left side of the fixed cylinder.

[0010] Furthermore, the left end of the threaded post penetrates the side surface of the connecting ring, and a fixing nut is detachably threaded onto the left end of the threaded post.

[0011] Furthermore, the second sealing ring has a circular cross-section and is used to seal the left end of the fixing cylinder with the connecting ring.

[0012] Furthermore, the cable body also includes a reinforcing layer, a shielding layer, an insulation layer, and a conductor. The reinforcing layer is disposed on the inner wall of the plastic anti-corrosion layer, the inner wall of the reinforcing layer is provided with a shielding layer, the inner wall of the shielding layer is sleeved with an insulation layer, and the insulation layer is sleeved with a conductor.

[0013] Furthermore, the reinforcing layer includes reinforcing rings and reinforcing posts. The reinforcing rings are disposed between the plastic anti-corrosion layer and the shielding layer, and adjacent reinforcing rings are fixedly connected by reinforcing posts.

[0014] Furthermore, one end of the conductor is provided with a protrusion, and the other end of the conductor is provided with a slot that matches the protrusion.

[0015] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0016] The positive and progressive effects of this utility model are as follows: The aforementioned anti-corrosion special cable for rail transit, in the process of connecting adjacent cable bodies, has a conductor protrusion in one cable body engaging with a conductor groove in another, achieving stable contact between adjacent cable bodies. Simultaneously, the connecting cylinder drives the first sealing ring to insert into the inner cavity of the fixed cylinder. Under the action of the first sealing ring, the connection between the connecting cylinder and the inner wall of the fixed cylinder is sealed. At the same time, the threaded post penetrates the side surface of the connecting ring, and by rotating the fixing nut, the threaded post is fixed and stabilized in the fixed cylinder, achieving a connection seal of the cable body, preventing external moisture and gas from penetrating into the cable interior, ensuring that the cable interior is not affected by corrosion, and guaranteeing the service life of the cable. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application.

[0018] Figure 1 This is a three-dimensional structural diagram of the corrosion-resistant special cable of this utility model.

[0019] Figure 2This utility model is for corrosion-resistant special cables. Figure 1 A magnified schematic diagram of the structure at point A in the middle.

[0020] Figure 3 This is a schematic diagram of the reinforcing layer structure of the corrosion-resistant special cable of this utility model.

[0021] Figure 4 This is a cross-sectional view of the connection structure between the first connector and the second connector of the corrosion-resistant special cable of this utility model.

[0022] Figure 5 This is a schematic diagram of the first connector structure of the corrosion-resistant special cable of this utility model.

[0023] Figure 6 This is a schematic diagram of the second connector structure of the corrosion-resistant special cable of this utility model.

[0024] Explanation of reference numerals in the attached figures 1. Cable body; 11. Outer jacket; 12. Plastic anti-corrosion layer; 13. Reinforcing layer; 131. Reinforcing ring; 132. Reinforcing post; 14. Shielding layer; 15. Insulation layer; 16. Conductor; 161. Slot; 162. Protrusion; 2. First connector; 21. Connecting ring; 22. Connecting cylinder; 23. First sealing ring; 24. Fixing nut; 3. Second connector; 31. Fixing cylinder; 32. Second sealing ring; 33. Threaded post. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present application.

[0026] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0027] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0028] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0029] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0031] like Figure 1-6 As shown, the corrosion-resistant special cable for rail transit includes: Cable body 1, with a first connector 2 installed at the right end of the cable body 1; The second connector 3 is installed at the left end of the cable body 1. The first connector 2 and the second connector 3 cooperate to connect adjacent cable bodies 1. The cable body 1 includes an outer jacket 11 and a plastic anti-corrosion layer 12, with the plastic anti-corrosion layer 12 fixedly connected to the inner wall of the outer jacket 11.

[0032] The first connector 2 includes a connecting ring 21, a connecting cylinder 22, and a first sealing ring 23. The connecting ring 21 is fixedly sleeved on the right end surface of the cable body 1. The connecting cylinder 22 is fixedly connected to the right side of the connecting ring 21. The first sealing ring 23 is sleeved on the surface of the connecting cylinder 22.

[0033] The second connector 3 includes a fixed cylinder 31, a second sealing ring 32, and a threaded post 33. The fixed cylinder 31 is fixedly connected to the left end of the cable body 1, and the threaded post 33 is fixedly connected to the left end of the fixed cylinder 31. The threaded post 33 passes through the second sealing ring 32.

[0034] In connecting adjacent cable bodies 1, the protrusion of conductor 16 in one cable body 1 engages with the slot 161 of another conductor 16, achieving stable contact between adjacent cable bodies 1. At the same time, the connecting cylinder 22 drives the first sealing ring 23 to be inserted into the inner cavity of the fixed cylinder 31. Under the action of the first sealing ring 23, the connection between the connecting cylinder 22 and the inner wall of the fixed cylinder 31 is sealed. Meanwhile, the threaded post 33 penetrates the side surface of the connecting ring 21. By rotating the fixing nut 24, the threaded post 33 is fixed and stabilized in the fixed cylinder 31, achieving the connection sealing of the cable body 1, preventing external moisture and gas from seeping into the cable, ensuring that the inside of the cable is not affected by corrosion, and ensuring the service life of the cable.

[0035] The fixing cylinder 31 is fitted with a connecting cylinder 22, and the inner wall of the fixing cylinder 31 is in contact with the first sealing ring 23 fitted on the surface of the connecting cylinder 22.

[0036] The number of threaded posts 33 is four, and the four threaded posts 33 are distributed in a ring on the left side of the fixed cylinder 31.

[0037] The left end of the threaded post 33 penetrates the side surface of the connecting ring 21, and the left end of the threaded post 33 is detachably threaded with a fixing nut 24.

[0038] The second sealing ring 32 has a circular cross-section and is used to fix the left end of the fixed cylinder 31 and the connecting ring 21 for sealing and fitting.

[0039] The cable body 1 also includes a reinforcing layer 13, a shielding layer 14, an insulation layer 15, and a conductor 16. The reinforcing layer 13 is disposed on the inner wall of the plastic anti-corrosion layer 12. The inner wall of the reinforcing layer 13 is provided with a shielding layer 14. The inner wall of the shielding layer 14 is sleeved with an insulation layer 15. The conductor 16 is sleeved inside the insulation layer 15.

[0040] The reinforcement layer 13 effectively improves the strength of the cable body 1, and the insulation layer 15 enhances the insulation strength of the cable body 1.

[0041] The reinforcing layer 13 includes a reinforcing ring 131 and a reinforcing post 132. The reinforcing ring 131 is disposed between the plastic anti-corrosion layer 12 and the shielding layer 14, and adjacent reinforcing rings 131 are fixedly connected by reinforcing posts 132.

[0042] One end of the conductor 16 is provided with a protrusion 162, and the other end of the conductor 16 is provided with a slot 161 that is adapted to the protrusion 162.

[0043] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this application does not involve any improvement to the software and methods.

[0044] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.

Claims

1. A corrosion-resistant special cable for rail transit, characterized in that, The corrosion-resistant special cable for rail transit includes: The cable body (1) has a first connector (2) installed at the right end of the cable body (1). The second connector (3) is installed on the left end of the cable body (1). The first connector (2) and the second connector (3) cooperate to connect adjacent cable bodies (1). The cable body (1) includes an outer jacket (11) and a plastic anti-corrosion layer (12), and the inner wall of the outer jacket (11) is fixedly connected with the plastic anti-corrosion layer (12).

2. The corrosion-resistant special cable for rail transit as described in claim 1, characterized in that: The first connector (2) includes a connecting ring (21), a connecting cylinder (22) and a first sealing ring (23). The connecting ring (21) is fixedly sleeved on the right end surface of the cable body (1). The connecting cylinder (22) is fixedly connected to the right side of the connecting ring (21). The first sealing ring (23) is sleeved on the surface of the connecting cylinder (22).

3. The corrosion-resistant special cable for rail transit as described in claim 1, characterized in that: The second connector (3) includes a fixed cylinder (31), a second sealing ring (32) and a threaded post (33). The fixed cylinder (31) is fixedly connected to the left end of the cable body (1). The left end of the fixed cylinder (31) is fixedly connected to the threaded post (33), and the threaded post (33) passes through the second sealing ring (32).

4. The corrosion-resistant special cable for rail transit as described in claim 3, characterized in that: The fixing cylinder (31) is fitted with a connecting cylinder (22), and the inner wall of the fixing cylinder (31) is in contact with the first sealing ring (23) fitted on the surface of the connecting cylinder (22).

5. The corrosion-resistant special cable for rail transit as described in claim 3, characterized in that: The number of threaded posts (33) is four, and the four threaded posts (33) are distributed in a ring on the left side of the fixed cylinder (31).

6. The corrosion-resistant special cable for rail transit as described in claim 3, characterized in that: The left end of the threaded post (33) penetrates the side surface of the connecting ring (21), and the left end of the threaded post (33) is detachably threaded with a fixing nut (24).

7. The corrosion-resistant special cable for rail transit as described in claim 3, characterized in that: The second sealing ring (32) has a circular cross-section and is used to seal the left end of the fixed cylinder (31) and the connecting ring (21).

8. The corrosion-resistant special cable for rail transit as described in claim 1, characterized in that: The cable body (1) further includes a reinforcing layer (13), a shielding layer (14), an insulation layer (15), and a conductor (16). The reinforcing layer (13) is disposed on the inner wall of the plastic anti-corrosion layer (12). The inner wall of the reinforcing layer (13) is provided with a shielding layer (14). The inner wall of the shielding layer (14) is sleeved with an insulation layer (15). The insulation layer (15) is sleeved with a conductor (16).

9. The corrosion-resistant special cable for rail transit as described in claim 8, characterized in that: The reinforcing layer (13) includes a reinforcing ring (131) and a reinforcing post (132). The reinforcing ring (131) is disposed between the plastic anti-corrosion layer (12) and the shielding layer (14). Adjacent reinforcing rings (131) are fixedly connected by reinforcing posts (132).

10. The corrosion-resistant special cable for rail transit as described in claim 8, characterized in that: One end of the conductor (16) is provided with a protrusion (162), and the other end of the conductor (16) is provided with a slot (161) that is adapted to the protrusion (162).

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