CN217333711U - Low-smoke halogen-free waterproof flame-retardant medium-voltage cable - Google Patents
Low-smoke halogen-free waterproof flame-retardant medium-voltage cable Download PDFInfo
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- CN217333711U CN217333711U CN202220411111.1U CN202220411111U CN217333711U CN 217333711 U CN217333711 U CN 217333711U CN 202220411111 U CN202220411111 U CN 202220411111U CN 217333711 U CN217333711 U CN 217333711U
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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
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Abstract
The utility model discloses a waterproof fire-retardant medium voltage cable of low smoke and zero halogen relates to medium voltage cable technical field, and for solving current medium voltage cable, the existence does not possess fire-retardant or flame retardant efficiency is poor, and leads to the cable it to receive the great problem of damaging range when sending out the conflagration. The cable connecting base is characterized in that a cable connecting base is arranged on the cable connecting base component, a connecting plug component is arranged at one end of the cable connecting base, a base component is arranged inside the connecting plug component, an inserting core is arranged on the base component, a connecting sleeve piece is arranged at the other end of the cable connecting base, a fastening ring is arranged on the connecting sleeve piece, a medium-voltage cable component is arranged in the connecting sleeve piece, a notch is formed in the connecting sleeve piece, an anti-skidding groove is formed in the fastening ring, and an anti-skidding structure is arranged on the cable connecting base.
Description
Technical Field
The utility model relates to a medium voltage cable technical field specifically is a waterproof fire-retardant medium voltage cable of low smoke and zero halogen.
Background
The voltage range of the medium-voltage cable is between 6KV and 33KV, the fields of practical life production and application of the medium-voltage cable comprise petrifaction, transportation, wastewater treatment, food processing and the like, the importance of the medium-voltage cable is gradually highlighted, the requirements of various industries on the medium-voltage cable are increased, the medium-voltage cable has special requirements on the size and the type because of the characteristic requirements, and the structure of the medium-voltage cable is more complicated than that of a low-voltage cable.
However, the existing medium-voltage cable has the problem that the cable is damaged in a larger range when a fire happens due to the fact that the existing medium-voltage cable does not have flame retardance or has poor flame retardance; therefore, the existing requirements are not met, and a low-smoke halogen-free waterproof flame-retardant medium-voltage cable is provided for the medium-voltage cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof fire-retardant medium voltage cable of low smoke and zero halogen to current medium voltage cable who proposes in solving above-mentioned background art, the existence does not possess fire-retardant or flame retardant efficiency is poor, and leads to the cable it to receive the great problem of damaging range when sending out the conflagration.
In order to achieve the above object, the utility model provides a following technical scheme: a low-smoke halogen-free waterproof flame-retardant medium-voltage cable comprises a cable connection base component, wherein a cable connection base is arranged on the cable connection base component, a connection plug component is arranged at one end of the cable connection base and is integrally formed with one end of the cable connection base, a base component is arranged inside the connection plug component and is integrally formed with the inside of the connection plug component, an insertion core is arranged on the base component and is connected with the base component in an insertion manner, a connecting sleeve piece is arranged at the other end of the cable connection base and is integrally formed with the other end of the cable connection base, a fastening ring is arranged on the connecting sleeve piece and is connected with the connecting sleeve piece in an embedded manner, a medium-voltage cable component is arranged in the connecting sleeve piece and is connected with the connecting sleeve piece in an insertion manner, the connecting sleeve is characterized in that a notch is formed in the connecting sleeve piece, the notch and the connecting sleeve piece are integrally formed, an anti-skidding groove is formed in the fastening ring, and an anti-skidding structure is arranged on the cable connecting seat.
Preferably, the medium-voltage cable component is provided with a wear-resistant sleeve, the wear-resistant sleeve is connected with the medium-voltage cable component in a nested manner, an interlayer of the wear-resistant sleeve is provided with a sleeve core, an inner core cable is arranged in the center of the wear-resistant sleeve, and the inner core cable is connected with the center of the wear-resistant sleeve in a nested manner.
Preferably, be provided with fire-retardant lag on the inner core cable, and fire-retardant lag and inner core cable nested connection, the inside lining of fire-retardant lag is provided with the plastic-coated steel band, and the inside lining nested connection of plastic-coated steel band and fire-retardant lag, the inside lining of plastic-coated steel band is provided with the band layer that blocks water, and the band layer that blocks water and the inside lining nested connection of plastic-coated steel band.
Preferably, the inner lining of the water blocking tape layer is provided with a polyethylene sheath, the polyethylene sheath is connected with the inner lining of the water blocking tape layer in a nested manner, and the polyethylene sheath is internally provided with cable core fillers.
Preferably, a loose sleeve is arranged in the cable core filler, a sleeve filler is arranged in the loose sleeve, and a conductor is arranged in the sleeve filler.
Preferably, a central reinforcing core is arranged at the center of the inner core cable, and the central reinforcing core is connected with the center of the inner core cable in a nested manner.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a fire-retardant lag, the setting on water-blocking tape layer, set up the fire-retardant layer that the asbestos fiber material made in the fire-retardant lag, have favorable heat-resisting because of the asbestos fiber, incombustible, characteristics such as corrosion resistance, when the cable is meetting the fire and is broiled, the fire-retardant lag that has added the asbestos fiber can protect the cable not receive the invasion and damage of flame, water-blocking tape layer can be in the long-time use of cable, effectively prevent the erosion of rainwater to the cable, the live time of cable can effectively be prolonged on water-blocking tape layer from this.
2. Through the setting of plastic-coated steel band, central reinforced core, plastic-coated steel band and central reinforced core are the armor of cable, and it can increase the mechanical strength of cable as the armor of cable, improve anti-corrosion ability, prolong the live time of cable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the wear-resistant casing of the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the inner core cable of the present invention;
in the figure: 1. a cable connection base assembly; 2. a cable connecting base; 3. a connecting plug member; 4. a base member; 5. inserting a core; 6. connecting a sleeve member; 7. a fastening ring; 8. a medium voltage cable member; 9. a notch; 10. an anti-slip groove; 11. an anti-slip structure; 12. a wear-resistant sleeve; 13. a bushing core; 14. an inner core cable; 15. a flame-retardant protective sleeve; 16. coating a plastic steel belt; 17. a water blocking tape layer; 18. a polyethylene jacket; 19. a cable core filler; 20. loosening the sleeve; 21. a sleeve filler; 22. a conductor; 23. a central reinforcing core.
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.
Referring to fig. 1-3, the present invention provides an embodiment: a low-smoke halogen-free waterproof flame-retardant medium-voltage cable comprises a cable connection base component 1, wherein a cable connection base 2 is arranged on the cable connection base component 1, a connection plug component 3 is arranged at one end of the cable connection base 2, the connection plug component 3 and one end of the cable connection base 2 are integrally formed, a base component 4 is arranged inside the connection plug component 3, the base component 4 and the connection plug component 3 are integrally formed, a plug core 5 is arranged on the base component 4, the plug core 5 and the base component 4 are connected in an inserting manner, a connection sleeve 6 is arranged at the other end of the cable connection base 2, the connection sleeve 6 and the other end of the cable connection base 2 are integrally formed, a fastening ring 7 is arranged on the connection sleeve 6, the fastening ring 7 is connected with the connection sleeve 6 in an inserting manner, a medium-voltage cable component 8 is arranged in the connection sleeve 6, and the medium-voltage cable component 8 is connected with the connection sleeve 6 in an inserting manner, the connecting sleeve piece 6 is provided with a notch 9, the notch 9 and the connecting sleeve piece 6 are integrally formed, the fastening ring 7 is provided with an anti-skidding groove 10, and the cable connecting seat 2 is provided with an anti-skidding structure 11.
Further, a wear-resistant sleeve 12 is arranged on the medium-voltage cable component 8, the wear-resistant sleeve 12 is connected with the medium-voltage cable component 8 in a nested mode, a sleeve core 13 is arranged on an interlayer of the wear-resistant sleeve 12, an inner core cable 14 is arranged in the center of the wear-resistant sleeve 12, the inner core cable 14 is connected with the center of the wear-resistant sleeve 12 in a nested mode, the wear-resistant sleeve 12 is beneficial to improving the wear-resistant performance of the cable, the sleeve core 13 is beneficial to enhancing the use strength, and the inner core cable 14 is the medium-voltage cable component 8.
Further, be provided with fire-retardant lag 15 on the inner core cable 14, and fire-retardant lag 15 and inner core cable 14 nested connection, the inside lining of fire-retardant lag 15 is provided with plastic-coated steel band 16, and plastic-coated steel band 16 and fire-retardant lag 15's inside lining nested connection, plastic-coated steel band 16's inside lining is provided with water-blocking tape layer 17, and water-blocking tape layer 17 and plastic-coated steel band 16's inside lining nested connection, fire-retardant lag 15 does benefit to the fire behaviour who improves the cable, plastic-coated steel band 16 does benefit to the service strength who improves the cable, water-blocking tape layer 17 does benefit to the waterproof performance who improves the cable.
Further, the inner lining of the water blocking tape layer 17 is provided with a polyethylene sheath 18, the polyethylene sheath 18 is connected with the inner lining of the water blocking tape layer 17 in a nested manner, a cable core filler 19 is arranged in the polyethylene sheath 18, the polyethylene sheath 18 plays a role in bundling and cabling, and the cable core filler 19 plays an insulating role.
Further, a loose tube 20 is arranged in the cable core filler 19, a tube filler 21 is arranged inside the loose tube 20, a conductor 22 is arranged in the tube filler 21, the loose tube 20 is used for wrapping the conductor 22 and the tube filler 21, the tube filler 21 is used for insulation between the stranded conductors 22, and the conductor 22 is used for transmission.
Further, a central reinforcing core 23 is arranged in the center of the inner core cable 14, the central reinforcing core 23 is connected with the center of the inner core cable 14 in a nested mode, and the central reinforcing core 23 further improves the service strength of the cable.
The working principle is as follows: when the cable connecting base assembly is used, the cable connecting base assembly 1 connected with the medium-voltage cable component 8 is firstly inserted into a connecting installation base, then the whole cable connecting base assembly is integrally placed into a preset pit groove or an installation frame, after the cable connecting base assembly is buried or erected, in the using process, the abrasion resistance of the abrasion-resistant sleeve 12 of the cable can be enhanced, the service life of the cable is prolonged, the sleeve core 13 in the interlayer of the cable can enhance the strength of the abrasion-resistant sleeve 12, the flame-retardant protective sleeve 15 sleeved outside the inner core cable 14 can prevent the cable from being damaged due to a fire source, the plastic-coated steel strip 16 arranged below the cable and the central reinforcing core 23 arranged in the center can enhance the overall strength of the cable, the water-blocking tape layer 17 can effectively prevent the cable from being corroded by rainwater, in addition, the polyethylene sheath 18 and the cable core filler 19 arranged in the cable play an insulating role, and the loose sleeve 20 can bundle the multi-strand conductors 22 into the cable.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a waterproof fire-retardant medium voltage cable of low smoke and zero halogen, includes cable junction base subassembly (1), its characterized in that: the cable connecting base component (1) is provided with a cable connecting base (2), one end of the cable connecting base (2) is provided with a connecting plug component (3), the connecting plug component (3) and one end of the cable connecting base (2) are integrally formed, a base component (4) is arranged inside the connecting plug component (3), the base component (4) and the connecting plug component (3) are integrally formed, an inserting core (5) is arranged on the base component (4), the inserting core (5) and the base component (4) are connected in an inserting manner, the other end of the cable connecting base (2) is provided with a connecting sleeve fitting (6), the connecting sleeve fitting (6) and the other end of the cable connecting base (2) are integrally formed, a fastening ring (7) is arranged on the connecting sleeve fitting (6), and the fastening ring (7) is connected with the connecting sleeve fitting (6) in an embedding manner, a medium-voltage cable component (8) is arranged in the connecting sleeve piece (6), the medium-voltage cable component (8) is connected with the connecting sleeve piece (6) in an inserting mode, a notch (9) is formed in the connecting sleeve piece (6), the notch (9) and the connecting sleeve piece (6) are integrally formed, an anti-skidding groove (10) is formed in the fastening ring (7), and an anti-skidding structure (11) is arranged on the cable connecting seat (2);
the medium-voltage cable component (8) is provided with a wear-resistant sleeve (12), the wear-resistant sleeve (12) is connected with the medium-voltage cable component (8) in a nested manner, a sleeve core (13) is arranged in an interlayer of the wear-resistant sleeve (12), an inner core cable (14) is arranged in the center of the wear-resistant sleeve (12), and the inner core cable (14) is connected with the center of the wear-resistant sleeve (12) in a nested manner;
be provided with fire-retardant lag (15) on inner core cable (14), and fire-retardant lag (15) and inner core cable (14) nested connection, the inside lining of fire-retardant lag (15) is provided with plastic-coated steel band (16), and plastic-coated steel band (16) and the inside lining nested connection of fire-retardant lag (15), the inside lining of plastic-coated steel band (16) is provided with water-blocking tape layer (17), and water-blocking tape layer (17) and the inside lining nested connection of plastic-coated steel band (16).
2. The low-smoke halogen-free waterproof flame-retardant medium-voltage cable according to claim 1, characterized in that: the inner lining of the water-blocking tape layer (17) is provided with a polyethylene sheath (18), the polyethylene sheath (18) is connected with the inner lining of the water-blocking tape layer (17) in a nested manner, and a cable core filler (19) is arranged in the polyethylene sheath (18).
3. The low-smoke halogen-free waterproof flame-retardant medium-voltage cable according to claim 2, characterized in that: a loose sleeve (20) is arranged in the cable core filler (19), a sleeve filler (21) is arranged inside the loose sleeve (20), and a conductor (22) is arranged in the sleeve filler (21).
4. The low-smoke halogen-free waterproof flame-retardant medium-voltage cable according to claim 1, characterized in that: the center of the inner core cable (14) is provided with a central reinforced core (23), and the central reinforced core (23) is connected with the center of the inner core cable (14) in a nested manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220411111.1U CN217333711U (en) | 2022-02-28 | 2022-02-28 | Low-smoke halogen-free waterproof flame-retardant medium-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220411111.1U CN217333711U (en) | 2022-02-28 | 2022-02-28 | Low-smoke halogen-free waterproof flame-retardant medium-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217333711U true CN217333711U (en) | 2022-08-30 |
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ID=83000046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220411111.1U Active CN217333711U (en) | 2022-02-28 | 2022-02-28 | Low-smoke halogen-free waterproof flame-retardant medium-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217333711U (en) |
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2022
- 2022-02-28 CN CN202220411111.1U patent/CN217333711U/en active Active
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