CN216014911U - Subway power supply cable with fireproof function - Google Patents
Subway power supply cable with fireproof function Download PDFInfo
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- CN216014911U CN216014911U CN202122123470.5U CN202122123470U CN216014911U CN 216014911 U CN216014911 U CN 216014911U CN 202122123470 U CN202122123470 U CN 202122123470U CN 216014911 U CN216014911 U CN 216014911U
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- connecting plate
- cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model belongs to the technical field of the subway power supply, especially, be a cable for subway power supply with fire prevention function, including first connecting plate and wearing layer, the left side of first connecting plate is provided with the gasket, and the left side of gasket is provided with the second connecting plate, the fixed surface of second connecting plate has fixing bolt, and fixing bolt's right side is connected with the fixed sleeve, the internal connection of fixed sleeve has the fixture block, and the intermediate position of fixture block is provided with the connector to the outside of connector is provided with sealed rubber ring, the wearing layer is installed in the outside of first connecting plate, and the inside of wearing layer is provided with the inoxidizing coating. This cable for subway power supply with fire prevention function possesses the function of fire prevention, avoids receiving the influence of heat sources such as external flame, can avoid cable self to catch fire simultaneously to be convenient for connect the cable, improve the security and the practicality of cable for subway power supply.
Description
Technical Field
The utility model relates to a subway power supply technical field specifically is a cable is used in subway power supply with fire prevention function.
Background
The subway is a rapid, large-traffic and electric power traction rail transit which is built in cities, compared with other vehicles, the subway can avoid the ground congestion of the cities and fully utilize the space, and the speed and the traffic volume of the subway are incomparable to those of common ground vehicles, so that more and more cities begin to develop the subway vigorously.
As an electric drive vehicle, the power supply problem is very important for subways, and the power supply of the subways is usually realized by a special cable for the power supply of the subways, but the existing cable for the power supply of the subways does not have the fireproof function, so that if a fire disaster occurs or the cable is on fire due to self reasons, the operation of the subways is greatly influenced, and the safety of the cable for the power supply of the subways is reduced.
Aiming at the problems, innovative design is urgently needed on the basis of the original cable for subway power supply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable is used in subway power supply with fire prevention function to propose current cable is used in subway power supply in solving above-mentioned background art, do not possess the function of fire prevention, if conflagration or cable are on fire because of self reason appear, can cause very big influence to the operation of subway, reduced the problem of the security of cable is used in the subway power supply.
In order to achieve the above object, the utility model provides a following technical scheme: a cable with a fireproof function for subway power supply comprises a first connecting plate and a wear-resistant layer, wherein a sealing sheet is arranged on the left side of the first connecting plate, and the left side of the sealing sheet is provided with a second connecting plate, the surface of the second connecting plate is fixed with a fixing bolt, and the right side of the fixing bolt is connected with a fixing sleeve, the inside of the fixing sleeve is connected with a clamping block, the middle position of the clamping block is provided with a connecting port, and the outer side of the connecting port is provided with a sealing rubber ring, the wear-resistant layer is arranged on the outer side of the first connecting plate, and the interior of the wear-resistant layer is provided with a protective layer, the interior of the protective layer is provided with fireproof paint, the interior of the fireproof paint is connected with an insulating outer layer, the interior of the insulating outer layer is provided with flame-retardant filler, and the inside of fire-retardant filler is provided with insulating inlayer to the internally mounted of insulating inlayer has the cable conductor.
Preferably, the first connecting plate and the second connecting plate are symmetrical with each other about the sealing piece, and the outer diameter of the sealing piece is the same as that of the first connecting plate.
Preferably, the fixing bolt is connected with the second connecting plate in a welding mode, and the fixing bolt is connected with the fixing sleeve in a meshing mode.
Preferably, the fixed sleeve is distributed on the surface of the first connecting plate at equal angles, and a rotating installation structure is formed between the fixed sleeve and the first connecting plate through a clamping block.
Preferably, the connecting port is connected with the sealing rubber ring through glue, and the inner diameter of the sealing rubber ring is the same as the outer diameter of the wear-resistant layer in size.
Preferably, the insulating inner layer is tightly attached to the cable conductor, and the cable conductor is distributed in the insulating outer layer at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that: the cable with the fireproof function for subway power supply has the fireproof function, is prevented from being influenced by heat sources such as external flame and the like, can prevent the cable from igniting, is convenient to connect, and improves the safety and the practicability of the cable for subway power supply;
1. when the cable with the fireproof function for subway power supply is used, the wear-resistant layer is arranged on the outer side of the cable to wrap the inner part of the cable, so that the wear-resistant performance of the cable is improved, the protective layer is arranged inside the wear-resistant layer and can prevent the cable from being corroded, the fireproof coating is arranged inside the protective layer, so that the fireproof capacity of the cable is improved, the flame-retardant filler is filled inside the insulating outer layer, the spontaneous combustion of the cable is avoided, and meanwhile, the insulating outer layer and the insulating inner layer can play an insulating role to protect the cable wire inside the insulating outer layer;
2. when the cable is required to be connected, the cable is firstly connected with the connectors on the first connecting plate and the second connecting plate respectively, the abrasion-resistant layer outside the cable and the joint of the connectors are provided with the sealing rubber ring which can avoid the influence of dust and liquid on the cable, then the first connecting plate and the second connecting plate are connected, and the fixing sleeve is rotated to enable the fixing sleeve to be meshed with the fixing bolt, so that the connection stability of the first connecting plate and the second connecting plate is improved, the sealing sheet is arranged between the first connecting plate and the second connecting plate, the situation that the joint is contacted with dust and liquid to cause damage is avoided, and the practicability and the safety performance of the device are improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the overall front view structure of the present invention;
fig. 3 is a schematic view of the cable profile structure of the present invention;
fig. 4 is a schematic view of the connection structure of the fixing bolt and the fixing sleeve of the present invention.
In the figure: 1. a first connecting plate; 2. sealing the sheet; 3. a second connecting plate; 4. fixing the bolt; 5. fixing the sleeve; 6. a clamping block; 7. a connecting port; 8. sealing the rubber ring; 9. a wear layer; 10. a protective layer; 11. a fire retardant coating; 12. an insulating outer layer; 13. a flame retardant filler; 14. an insulating inner layer; 15. and (4) cable conductors.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a subway power supply cable with a fireproof function comprises a first connecting plate 1, a sealing sheet 2, a second connecting plate 3, a fixing bolt 4, a fixing sleeve 5, a clamping block 6, a connecting port 7, a sealing rubber ring 8, a wear-resistant layer 9, a protective layer 10, fireproof paint 11, an insulating outer layer 12, a flame-retardant filler 13, an insulating inner layer 14 and a cable conductor 15, wherein the sealing sheet 2 is arranged on the left side of the first connecting plate 1, the second connecting plate 3 is arranged on the left side of the sealing sheet 2, the fixing bolt 4 is fixed on the surface of the second connecting plate 3, the fixing sleeve 5 is connected on the right side of the fixing bolt 4, the clamping block 6 is connected inside the fixing sleeve 5, the connecting port 7 is arranged in the middle of the clamping block 6, the sealing rubber ring 8 is arranged on the outer side of the connecting port 7, the wear-resistant layer 9 is arranged on the outer side of the first connecting plate 1, and the protective layer 10 is arranged inside the wear-resistant layer 9, the interior of the protective layer 10 is provided with a fireproof coating 11, the interior of the fireproof coating 11 is connected with an insulating outer layer 12, the interior of the insulating outer layer 12 is provided with a flame-retardant filler 13, the interior of the flame-retardant filler 13 is provided with an insulating inner layer 14, and the interior of the insulating inner layer 14 is provided with a cable conductor 15;
furthermore, the first connecting plate 1 and the second connecting plate 3 are symmetrical with each other about the sealing sheet 2, the outer diameter of the sealing sheet 2 is the same as that of the first connecting plate 1, and the connectors 7 on two sides can be connected with each other by connecting the first connecting plate 1 and the second connecting plate 3, so that the effect of connecting cables is achieved, power transmission is facilitated, and the sealing sheet 2 can prevent the damage caused by dust and liquid at the joint;
furthermore, the fixing bolt 4 is connected with the second connecting plate 3 in a welding mode, the fixing bolt 4 is connected with the fixing sleeve 5 in a meshing mode, and the first connecting plate 1 and the second connecting plate 3 can be connected with the fixing sleeve 5 through the fixing bolt 4, so that the first connecting plate and the second connecting plate can be connected stably;
furthermore, the fixing sleeve 5 is distributed on the surface of the first connecting plate 1 at equal angles, a rotating installation structure is formed between the fixing sleeve 5 and the first connecting plate 1 through the fixture block 6, the fixing sleeve 5 is installed on the surface of the first connecting plate 1 through the fixture block 6, and the fixing sleeve 5 can be connected with the fixing bolt 4 through rotating, so that a worker does not need to carry bolts and nuts during installation, and the installation work is convenient to complete;
furthermore, the connecting port 7 is connected with the sealing rubber ring 8 through glue, the inner diameter of the sealing rubber ring 8 is the same as the outer diameter of the wear-resistant layer 9, and the sealing rubber ring 8 is arranged at the connecting position of the connecting port 7 and the wear-resistant layer 9, so that the influence of dust and liquid on the cable can be avoided;
further, closely laminate between insulating inlayer 14 and the cable conductor 15, and cable conductor 15 is at insulating outer 12 inside equidistant distribution, and insulating inlayer 14 is used for installing cable conductor 15 to play the guard action to it, and it has fire-retardant filler 13 to fill between insulating outer 12 and the insulating inlayer 14, can improve the fire behavior of cable.
The working principle is as follows: when the cable with the fireproof function for subway power supply is used, the wear-resistant layer 9 is arranged on the outer side of the cable to wrap the inner part of the cable, the wear-resistant performance of the cable is improved, the protective layer 10 is arranged inside the wear-resistant layer 9, the cable can be prevented from being corroded by the protective layer 10, the fireproof coating 11 is arranged inside the protective layer 10, the fireproof capacity of the cable is improved, the flame-retardant filler 13 is filled inside the insulating outer layer 12, the spontaneous combustion of the cable is avoided, meanwhile, the insulating outer layer 12 and the insulating inner layer 14 can play an insulating role to protect the cable conductor 15 inside the cable, when the cable needs to be connected, the cable is firstly connected with the connecting ports 7 on the first connecting plate 1 and the second connecting plate 3 respectively, the sealing rubber ring 8 is arranged at the connecting position of the wear-resistant layer 9 on the outer side of the cable and the connecting ports 7, and the influence of dust and liquid on the cable can be avoided, connect first connecting plate 1 and second connecting plate 3 after that to rotatory fixing sleeve 5 makes it and fixing bolt 4 meshing, improves the stability that first connecting plate 1 and second connecting plate 3 are connected, and is provided with gasket 2 between first connecting plate 1 and the second connecting plate 3, can prevent that junction contact dust and liquid from causing the damage, has improved the practicality and the security performance of device.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a cable for subway power supply with fire prevention function, includes first connecting plate (1) and wearing layer (9), its characterized in that: the left side of the first connecting plate (1) is provided with a sealing sheet (2), the left side of the sealing sheet (2) is provided with a second connecting plate (3), the surface of the second connecting plate (3) is fixed with a fixing bolt (4), the right side of the fixing bolt (4) is connected with a fixing sleeve (5), the inside of the fixing sleeve (5) is connected with a clamping block (6), the middle position of the clamping block (6) is provided with a connecting port (7), the outer side of the connecting port (7) is provided with a sealing rubber ring (8), the wear-resistant layer (9) is installed on the outer side of the first connecting plate (1), the inside of the wear-resistant layer (9) is provided with a protective layer (10), the inside of the protective layer (10) is provided with fireproof paint (11), the inside of the fireproof paint (11) is connected with an insulating outer layer (12), the inside of the insulating outer layer (12) is provided with flame-retardant filler (13), and an insulating inner layer (14) is arranged inside the flame-retardant filler (13), and a cable conductor (15) is arranged inside the insulating inner layer (14).
2. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the first connecting plate (1) and the second connecting plate (3) are symmetrical with each other about the sealing piece (2), and the outer diameter of the sealing piece (2) is the same as that of the first connecting plate (1).
3. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the fixing bolt (4) is connected with the second connecting plate (3) in a welding mode, and the fixing bolt (4) is connected with the fixing sleeve (5) in a meshing mode.
4. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the fixed sleeve (5) is distributed on the surface of the first connecting plate (1) at equal angles, and a rotating installation structure is formed between the fixed sleeve (5) and the first connecting plate (1) through a clamping block (6).
5. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the connecting port (7) is connected with the sealing rubber ring (8) through glue, and the inner diameter of the sealing rubber ring (8) is the same as the outer diameter of the wear-resistant layer (9).
6. A cable with fire-proof function for subway power supply according to claim 1, characterized in that: the insulating inner layer (14) is tightly attached to the cable wires (15), and the cable wires (15) are distributed in the insulating outer layer (12) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123470.5U CN216014911U (en) | 2021-09-03 | 2021-09-03 | Subway power supply cable with fireproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122123470.5U CN216014911U (en) | 2021-09-03 | 2021-09-03 | Subway power supply cable with fireproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216014911U true CN216014911U (en) | 2022-03-11 |
Family
ID=80593784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122123470.5U Active CN216014911U (en) | 2021-09-03 | 2021-09-03 | Subway power supply cable with fireproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216014911U (en) |
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2021
- 2021-09-03 CN CN202122123470.5U patent/CN216014911U/en active Active
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