CN220456117U - Protective steel-cored aluminum strand cable - Google Patents
Protective steel-cored aluminum strand cable Download PDFInfo
- Publication number
- CN220456117U CN220456117U CN202322122699.6U CN202322122699U CN220456117U CN 220456117 U CN220456117 U CN 220456117U CN 202322122699 U CN202322122699 U CN 202322122699U CN 220456117 U CN220456117 U CN 220456117U
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- Prior art keywords
- buffer
- layer
- outer side
- cable
- coated
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 44
- 230000001681 protective effect Effects 0.000 title claims abstract description 18
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 15
- 239000008397 galvanized steel Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000003139 buffering effect Effects 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 11
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000017105 transposition Effects 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 16
- 230000006835 compression Effects 0.000 abstract description 14
- 238000007906 compression Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 95
- 230000002035 prolonged effect Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- 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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- Insulated Conductors (AREA)
Abstract
The utility model discloses a protective steel-cored aluminum strand cable, which comprises a galvanized steel core, a buffer inner layer and a buffer outer layer, wherein a plurality of aluminum strand bodies are stranded on the outer side of the galvanized steel core, an insulating sleeve is sleeved on the outer side of the aluminum strand bodies, a flame-retardant sheath is coated on the outer side of the insulating sleeve, an inner waterproof layer is fixedly coated on the outer side of the flame-retardant sheath, the buffer inner layer is coated on the outer side of the inner waterproof layer, a plurality of connecting strips are uniformly and fixedly connected to the outer surface of the buffer inner layer, a plurality of connecting grooves are uniformly formed in the top surfaces of the connecting strips, grooves are symmetrically formed in the two sides of the connecting grooves, and a buffer outer layer is sleeved on the outer side of the buffer inner layer. The beneficial effects are that: the utility model is provided with the buffer outer layer, the buffer inner layer, the connecting strip and the connecting block, and can connect and fix the separated buffer outer layer and buffer inner layer again, thereby prolonging the compression-resistant buffer effect of the cable, more effectively forming durable protection on the cable inner core and prolonging the service life of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a protective steel-cored aluminum stranded wire cable.
Background
The steel-cored aluminum strand is a reinforced type lead with single-layer or multi-layer aluminum strands stranded outside a galvanized steel-cored wire, is mainly applied to the industries of electric power and transmission lines, has the characteristics of simple structure, convenient erection and maintenance, low line cost, large transmission capacity, favorable laying crossing special geographic conditions such as rivers and valleys, good conductivity, enough mechanical strength, high tensile strength, amplified tower pole distance and the like, and is widely applied to overhead power transmission and distribution lines with various voltage levels.
The prior art discloses the publication number: CN212256978U is a protection steel core aluminum stranded conductor cable, includes the inner core, the outside cladding of inner core has insulating flame retardant coating, insulating flame retardant coating's outside cladding has the resistance to compression buffer, the resistance to compression buffer is used for protecting the inner core, the outside cladding of resistance to compression buffer has the waterproof layer, the outside cladding of waterproof layer has the PVC overcoat. According to the utility model, the compression-resistant buffer layer is arranged, so that when the cable is compressed and extruded, the compression-resistant buffer layer is utilized to buffer the extruded cable, and therefore, the inner core inside the cable is protected, the cable can be effectively protected, and the service life of the cable is prolonged.
According to the utility model, the steel-cored aluminum stranded wire inner core inside the cable is protected by the compression-resistant buffer layer, so that the service life of the cable is prolonged, the compression-resistant buffer layer comprises the buffer outer layer coated on the outer side of the buffer inner layer, the arranged buffer strips are embedded in the buffer cavity uniformly formed in the buffer inner layer, the buffer strips are of arc-shaped cross sections, and the buffer cavity is of V-shaped cross sections, so that when the buffer outer layer is transversely extruded, the buffer strips slide along the side wall of the buffer cavity, the problem of tearing dislocation of the buffer outer layer and the buffer inner layer is caused, the dislocated buffer inner layer and the dislocated buffer outer layer cannot be recovered, the compression-resistant buffer effect of the cable is affected, and the stability of the waterproof layer and the PVC outer sleeve on the outer side is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a protective steel-cored aluminum strand cable, which has the advantages that the separated buffer outer layer and buffer inner layer can be connected and fixed again, the compression-resistant buffer effect of the cable is prolonged, the durable protection is formed on the cable inner core, the service life of the cable is prolonged, and the problems in the background technology are further solved.
(II) technical scheme
In order to realize the advantages that the separated buffer outer layer and the buffer inner layer can be connected and fixed again, the compression-resistant buffer effect of the cable is prolonged, the cable inner core is more effectively protected permanently, and the service life of the cable is prolonged, the concrete technical scheme adopted by the utility model is as follows: the utility model provides a protection type steel core aluminum stranded conductor cable, includes galvanized steel core, buffering inlayer and buffering skin, the transposition of galvanized steel core outside has stranded aluminum stranded conductor body, and the external side of aluminum stranded conductor has cup jointed insulating cover to insulating cover outside cladding has fire-retardant sheath, fire-retardant sheath outside fixed cladding has interior waterproof layer, and interior waterproof layer outside cladding has the buffering inlayer, the even fixedly connected with a plurality of connecting strip of buffering inlayer surface, and the connecting strip top surface has evenly offered a plurality of spread groove to the spread groove bilateral symmetry has seted up the recess, the buffering inlayer outside has cup jointed the buffering skin, the even fixedly connected with connecting block of buffering skin inner wall, and connecting block both sides lateral wall symmetry fixed mounting has a plurality of lug, the connecting block inlay card is in the spread groove, the lug inlay card is in the recess.
Furthermore, a buffer cavity is formed between the adjacent connecting strips, a plurality of buffer strips are uniformly and fixedly connected to the inner wall of the outer buffer layer, and the buffer strips are clamped in the buffer cavity.
Further, the outer side of the buffer outer layer is coated with a steel wire armor layer, the outer side of the steel wire armor layer is fixedly coated with an outer waterproof layer, and the outer side of the outer waterproof layer is fixedly coated with a PVC outer sheath.
Further, the cross section of the connecting strip is isosceles trapezoid.
Further, the grooves and the protruding blocks are hemispherical in shape, and the diameter of each protruding block is smaller than that of each groove.
Further, the cross section of the buffer cavity is V-shaped.
Further, the cross section of the buffer strip is arc-shaped.
(III) beneficial effects
Compared with the prior art, the utility model provides a protective steel-cored aluminum strand cable, which has the following beneficial effects:
(1) The cable is provided with a buffer outer layer, a buffer inner layer, connecting strips and connecting blocks, wherein a plurality of aluminum stranded wire bodies are stranded on the outer side of a galvanized steel core, an insulating sleeve is sleeved on the outer side of the aluminum stranded wire bodies, a flame-retardant sheath is coated on the outer side of the insulating sleeve, an inner waterproof layer is coated on the outer side of the flame-retardant sheath, the buffer inner layer is coated on the outer side of the inner waterproof layer, a plurality of connecting strips are uniformly and fixedly connected to the outer surface of the buffer inner layer, a buffer cavity is formed between the adjacent connecting strips, the buffer outer layer is sleeved on the outer side of the buffer inner layer, the inner wall of the buffer outer layer is uniformly and fixedly connected with a plurality of connecting blocks, the connecting blocks can be clamped in connecting grooves formed in the connecting strips, the side walls on the two sides of the connecting blocks are symmetrically and fixedly arranged, a plurality of protruding blocks can be clamped in grooves symmetrically started on the side walls on the two sides of the connecting grooves, so that the connecting blocks and the connecting strips are fixedly and quickly connected, the inner wall of the buffer outer layer is uniformly and fixedly arranged on the inner side of the buffer inner wall of the buffer outer layer.
(2) The utility model is provided with the inner waterproof layer, the outer waterproof layer and the flame-retardant sheath, the outer side of the buffer outer layer is fixedly sleeved with the steel wire armor layer, the outer side of the steel wire armor layer is coated with the outer waterproof layer, the outer side of the outer waterproof layer is coated with the PVC outer sheath, when the outer waterproof layer is broken, the inner waterproof layer can be used for preventing water from entering into contact with the galvanized steel core and the aluminum stranded wire body, the problem of short circuit is effectively avoided, the waterproof performance of the cable of the protective steel core aluminum stranded wire is improved, the flame-retardant sheath is coated on the outer side of the insulating sleeve coated with the galvanized steel core and the aluminum stranded wire body, the burning phenomenon caused by overheat of the insulating sleeve can be avoided, and the flame-retardant and flame-retardant performance of the protective steel core aluminum stranded wire is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a protective steel-cored aluminum strand cable according to an embodiment of the present utility model;
FIG. 2 is an enlarged view at A of FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is a perspective view of a connecting strip of a protective steel-cored aluminum strand cable according to an embodiment of the utility model;
fig. 4 is a perspective view of a connection block of a protective steel-cored aluminum strand cable according to an embodiment of the present utility model.
In the figure:
1. a PVC outer sheath; 2. an outer waterproof layer; 3. a steel wire armor layer; 4. a buffer outer layer; 5. a buffer inner layer; 6. a flame retardant sheath; 7. an insulating sleeve; 8. a galvanized steel core; 9. an aluminum stranded wire body; 10. an inner waterproof layer; 11. a connecting strip; 12. a connecting groove; 13. a groove; 14. a connecting block; 15. a bump; 16. a buffer chamber; 17. and (5) buffering the strip.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the utility model, a protective steel-cored aluminum stranded cable is provided.
The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-4, a protective steel-cored aluminum stranded wire cable according to the embodiment of the utility model comprises a galvanized steel core 8, a buffer inner layer 5 and a buffer outer layer 4, wherein a plurality of aluminum stranded wire bodies 9 are stranded on the outer side of the galvanized steel core 8, an insulating sleeve 7 is sleeved on the outer side of the aluminum stranded wire bodies 9, a flame-retardant sheath 6 is coated on the outer side of the insulating sleeve 7, an inner waterproof layer 10 is fixedly coated on the outer side of the flame-retardant sheath 6, the buffer inner layer 5 is coated on the outer side of the inner waterproof layer 10, a plurality of connecting strips 11 are uniformly and fixedly connected to the outer surface of the buffer inner layer 5, a plurality of connecting grooves 12 are uniformly formed in the top surfaces of the connecting strips 11, grooves 13 are symmetrically formed on the two sides of the connecting grooves 12, a buffer outer layer 4 is sleeved on the outer side of the buffer inner layer 5, a plurality of connecting blocks 14 are uniformly and fixedly connected with a plurality of bumps 15 on the side walls on the two sides of the connecting blocks 14, the connecting blocks 14 are clamped in the connecting grooves 12, the bumps 15 are clamped in the grooves 13, and the inner core 12 can be quickly connected to the inner core 12 when the cable is pushed and separated by transverse extrusion, and the inner layer 5 is quickly connected to the inner core 4, and the cable can be quickly connected to the buffer inner layer 4, and the life of the cable can be prolonged, and the life of the cable can be more effectively and prolonged.
In one embodiment, a buffer cavity 16 is formed between adjacent connecting strips 11, a plurality of buffer strips 17 are uniformly and fixedly connected to the inner wall of the buffer outer layer 4, and the buffer strips 17 are embedded in the buffer cavity 16, so that the effect of improving the compression resistance and the buffer performance of the cable by using the arranged buffer strips 17 and the buffer cavities 16 is achieved.
In one embodiment, the outer side of the buffer outer layer 4 is coated with the steel wire armor layer 3, the outer side of the steel wire armor layer 3 is fixedly coated with the outer waterproof layer 2, and the outer side of the outer waterproof layer 2 is fixedly coated with the PVC outer sheath 1, so that the protection effect on the outer side of the buffer outer layer 4 is achieved.
In one embodiment, the cross-sectional shape of the connecting strip 11 is an isosceles trapezoid.
In one embodiment, the grooves 13 and the bumps 15 are hemispherical in shape, and the bumps 15 have a diameter that is smaller than the diameter of the grooves 13.
In one embodiment, the buffer chamber 16 is V-shaped in cross-sectional shape.
In one embodiment, bumper strip 17 is arcuate in cross-sectional shape.
Working principle: the utility model is provided with a buffer outer layer 4, a buffer inner layer 5, connecting strips 11 and connecting blocks 14, wherein a plurality of strands of aluminum stranded wire bodies 9 are stranded on the outer side of a galvanized steel core 8, an insulating sleeve 7 is sleeved on the outer side of the aluminum stranded wire bodies 9, a flame-retardant sheath 6 is coated on the outer side of the insulating sleeve 7, an inner waterproof layer 10 is coated on the outer side of the flame-retardant sheath 6, the buffer inner layer 5 is coated on the outer side of the inner waterproof layer 10, a plurality of connecting strips 11 are uniformly and fixedly connected on the outer surface of the buffer inner layer 5, a buffer cavity 16 is arranged between adjacent connecting strips 11, the buffer outer layer 4 is sleeved on the outer side of the buffer inner layer 5, a plurality of connecting blocks 14 are uniformly and fixedly connected on the inner wall of the buffer outer layer 4, the connecting blocks 14 can be clamped in connecting grooves 12 arranged on the connecting strips 11, a plurality of convex blocks 15 symmetrically and fixedly arranged on the side walls on two sides of the connecting blocks 14 can be clamped in grooves 13 symmetrically starting on the side walls on the two sides of the connecting grooves 12, so as to realize the quick and fixed connection of the connecting block 14 and the connecting strip 11, the buffer strip 17 uniformly and fixedly installed on the inner wall of the buffer outer layer 4 is clamped and embedded inside the buffer cavity 16, the arranged buffer strip 17 and the buffer cavity 16 are utilized to improve the compression resistance and buffer performance of the cable, when the cable is transversely extruded to separate the buffer outer layer 4 from the buffer inner layer 5, a user can push the connecting block 14 to return into the connecting groove 12 according to the method, the quick and fixed connection of the buffer outer layer 4 and the buffer inner layer 5 is quickly realized, the compression resistance and buffer effect of the cable is prolonged, the durable protection is formed on the cable inner core more effectively, the service life of the cable is prolonged, in addition, the utility model is provided with the inner waterproof layer 10, the outer waterproof layer 2 and the flame-retardant sheath 6, the outer side of the buffer outer layer 4 is fixedly sleeved with the steel wire armor layer 3, the outer waterproof layer 2 is coated on the outer side of the steel wire armor layer 3, and the outside cladding of outer waterproof layer 2 has PVC oversheath 1, utilize outer waterproof layer 2 and interior waterproof layer 10 that set up, can be when outer waterproof layer 2 breaks, still accessible interior waterproof layer 10 prevent that the water from getting into with galvanized steel core 8 and the contact of aluminium stranded conductor body 9, effectively avoid appearing the problem of short circuit, improved the cable waterproof performance of a protection type steel core aluminium stranded conductor, and the cladding has galvanized steel core 8 and the cladding of the insulating cover 7 outside of aluminium stranded conductor body 9 to have fire-retardant sheath 6, can avoid the overheated combustion phenomenon that appears of insulating cover 7, be favorable to improving the fire-retardant fire behavior of a protection type steel core aluminium stranded conductor.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a protection type steel core aluminium stranded conductor cable, includes galvanized steel core (8), buffering inlayer (5) and buffering skin (4), its characterized in that in, galvanized steel core (8) outside transposition has stranded aluminium stranded conductor body (9), and has cup jointed insulating cover (7) in the aluminium stranded conductor body (9) outside to insulating cover (7) outside cladding has fire-retardant sheath (6), fire-retardant sheath (6) outside fixed cladding has interior waterproof layer (10), and interior waterproof layer (10) outside cladding has buffering inlayer (5), buffering inlayer (5) surface evenly fixedly connected with a plurality of connecting strip (11), and a plurality of spread groove (12) have been offered to connecting strip (11) top surface evenly to recess (13) have been offered to connecting groove (12) bilateral symmetry, buffering inlayer (5) outside cup jointed buffering skin (4), a plurality of connecting block (14) are evenly fixedly connected with in buffering skin (4) inner wall, and connecting block (14) both sides lateral wall symmetry fixed mounting has a plurality of lug (15), connecting block (14) inlay card in connecting groove (12), inlay card (13).
2. The protection type steel-cored aluminum strand cable according to claim 1, wherein a buffer cavity (16) is formed between the adjacent connecting strips (11), a plurality of buffer strips (17) are uniformly and fixedly connected to the inner wall of the buffer outer layer (4), and the buffer strips (17) are embedded in the buffer cavity (16).
3. The protective steel-cored aluminum strand cable according to claim 1, wherein the outer side of the buffer outer layer (4) is coated with a steel wire armor layer (3), the outer side of the steel wire armor layer (3) is fixedly coated with an outer waterproof layer (2), and the outer side of the outer waterproof layer (2) is fixedly coated with a PVC outer sheath (1).
4. A protective steel-cored aluminium stranded cable according to claim 1, characterised in that the connecting strip (11) has a cross-sectional shape of an isosceles trapezoid.
5. A protective steel-cored aluminium stranded cable according to claim 1, characterized in that the grooves (13) and the projections (15) are hemispherical in shape and the projections (15) have a diameter smaller than the groove (13).
6. A protective steel-cored aluminium stranded cable according to claim 2, characterised in that the buffer chamber (16) is V-shaped in cross-sectional shape.
7. A protective steel-cored aluminium stranded cable according to claim 2, characterised in that the buffer strip (17) is arcuate in cross-sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122699.6U CN220456117U (en) | 2023-08-08 | 2023-08-08 | Protective steel-cored aluminum strand cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122699.6U CN220456117U (en) | 2023-08-08 | 2023-08-08 | Protective steel-cored aluminum strand cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456117U true CN220456117U (en) | 2024-02-06 |
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ID=89739446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322122699.6U Active CN220456117U (en) | 2023-08-08 | 2023-08-08 | Protective steel-cored aluminum strand cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456117U (en) |
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2023
- 2023-08-08 CN CN202322122699.6U patent/CN220456117U/en active Active
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