CN211404132U - Power cable with waterproof function - Google Patents
Power cable with waterproof function Download PDFInfo
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- CN211404132U CN211404132U CN202020166932.4U CN202020166932U CN211404132U CN 211404132 U CN211404132 U CN 211404132U CN 202020166932 U CN202020166932 U CN 202020166932U CN 211404132 U CN211404132 U CN 211404132U
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- water
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- protective sleeve
- filling layer
- waterproof
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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 discloses a power cable with waterproof function relates to power cable technical field. The utility model comprises a cable body, which comprises a group of wire cores; a group of wires are fixedly connected inside the wire cores; the cable body further comprises a protective sleeve; the peripheral side surface of the protective sleeve is provided with sliding chutes which are arranged in a linear array; the positions of the protective sleeves corresponding to the sliding grooves are rotationally connected with wear-resistant sliding rings; the inner wall of the protective sleeve is fixedly connected with a group of first limiting teeth; the inner wall of the protective sleeve is sleeved with an outer waterproof filling layer. The utility model discloses increased wear-resisting mechanism on the basis of traditional cable, wear-resisting mechanism comprises wear-resisting sliding ring and spout, pulls at the cable or with the in-process of ground contact, and self-sliding can take place for wear-resisting sliding ring, effectively reduces the frictional force on this cable and ground then to strengthen the antifriction performance of this cable, simultaneously through the design of outer waterproof filling layer and interior waterproof filling layer, make this cable have dual waterproof performance.
Description
Technical Field
The utility model belongs to the technical field of power cable, especially, relate to a power cable with waterproof function.
Background
With the progress of technology, optical fiber communication is rapidly developed, popularized and applied, and since the production environment of a coal mine is severe and careless, and inflammable and explosive accidents easily occur, a cable for the coal mine must have excellent waterproof, tensile and anti-distortion performances.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power cable with waterproof function, through the design of cable body, solved the current cable problem that waterproof, tensile and antitorque distortion performance are weak.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a power cable with waterproof function, which comprises a cable body, wherein the cable body comprises a group of wire cores; a group of wires are fixedly connected inside the wire cores;
the cable body further comprises a protective sleeve; the side surface of the protective sleeve is provided with sliding chutes which are arranged in a linear array; the positions of the protective sleeves corresponding to the sliding grooves are rotationally connected with wear-resistant sliding rings; the inner wall of the protective sleeve is fixedly connected with a group of first limiting teeth; an outer waterproof filling layer is sleeved on the inner wall of the protective sleeve; the positions of the outer waterproof filling layers corresponding to the first limiting teeth are provided with first limiting grooves matched with the first limiting teeth; the inner wall of the outer waterproof filling layer is sleeved with an inner waterproof filling layer; a torsion spring is fixedly connected between the opposite surfaces of the outer waterproof filling layer and the inner waterproof filling layer; the inner wall of the inner waterproof filling layer is fixedly connected with a group of second limiting teeth; a water-blocking expansion ring is fixedly sleeved on the inner wall of the inner waterproof filling layer; the circumferential side surface of the water-blocking expansion ring and the position corresponding to the second limiting tooth are provided with second limiting grooves matched with the second limiting tooth;
a group of mounting holes are formed in the positions, corresponding to the wire cores, of the water-blocking expansion rings; the inner wall of the water-blocking expansion ring is connected with the wire core through the mounting hole; a group of hydrophobic holes are also formed in one surface of the water-blocking expansion ring; the inner walls of the plurality of hydrophobic holes are fixedly provided with water absorption alicyclic rings; and a tensile anti-torsion steel rope is fixedly arranged at the axis position of the water-blocking expansion ring.
Preferably, the outer wall of the protective sleeve is fixedly coated with a hydrophobic coating; the protective sleeve comprises an armor layer, an insulating layer and a fiber braided shielding layer which are sequentially connected from outside to inside; the fiber braided shielding layer is an aramid fiber braided layer; the insulating layer is made of an insulating rubber material; the armor layer and the wear-resistant slip ring are both made of wear-resistant rubber.
Preferably, the waterproof expansion ring is made of an expansion waterproof rubber material; the mounting holes and the drain holes are distributed on one surface of the water-blocking expansion ring at intervals; the mounting holes are distributed on one surface of the water-blocking expansion ring in a circumferential array.
Preferably, the tensile anti-twist steel rope is formed by weaving a plurality of steel ropes; the first limiting teeth are distributed on the inner wall of the protective sleeve in a circumferential array; and the second limiting grooves are distributed in a circumferential array on the circumferential side surface of the water-blocking expansion ring.
Preferably, the inside of the water-absorbing alicyclic ring is fixedly filled with water-absorbing resin; and a hydrophobic flow channel coaxial with the hydrophobic hole is arranged in the middle of the water absorption alicyclic ring.
Preferably, the outer waterproof filling layer and the inner waterproof filling layer are composed of an elastic rubber sheath and polyester fiber non-woven fabrics.
The utility model discloses following beneficial effect has:
compare traditional cable, this cable has increased wear-resisting mechanism, wear-resisting mechanism comprises wear-resisting sliding ring and spout, at the cable drag or with the in-process of ground contact, the self-sliding can take place for wear-resisting sliding ring, then effectively reduce the frictional force of this cable and ground, thereby strengthen the antifriction performance of this cable, simultaneously through the design of outer waterproof filling layer and interior waterproof filling layer, make this cable have dual waterproof performance, through the design of the inflation ring that blocks water, make this cable when intaking, can meet water inflation, then automatically seal to the gap department that leaks, simultaneously under the inflation effect, reduce its gap with the sinle silk, thereby reach "meeting water stagnant water" effect, through torsion spring, make this cable possess high resilience, thereby strengthen the antitorque performance of this cable, through tensile antitorque twist steel cable, then can strengthen the anti-drag and the tensile properties of this cable, through the design of first spacing tooth, the spacing tooth of second, first spacing groove and second spacing groove, then can effectively carry on spacingly to the structural component in the cable, avoid then it dragging the in-process, dislocation or relative displacement take place for the structural component of cable inside.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a power cable having a waterproof function;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the tensile anti-twist steel rope, the first limiting teeth, the first limiting grooves and the outer waterproof filling layer;
FIG. 4 is a schematic structural view of a water blocking expansion ring, a mounting hole and a drainage hole;
FIG. 5 is a schematic structural view of a protective sleeve, a chute and a first limit tooth;
FIG. 6 is a schematic cross-sectional view of the protective sheath;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a cable body; 2. a wire core; 3. a wire; 4. a protective sleeve; 5. a chute; 6. a wear-resistant slip ring; 7. a first limit tooth; 8. an outer waterproof filler layer; 9. a first limit groove; 10. an inner waterproof filling layer; 11. a torsion spring; 12. a second limit tooth; 13. a water blocking expansion ring; 14. a second limit groove; 15. mounting holes; 16. a hydrophobic pore; 17. a water-absorbing alicyclic ring; 18. a tensile anti-twist steel rope; 401. a hydrophobic coating; 402. an armor layer; 403. an insulating layer; 404. the fiber weaves the shielding layer.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model relates to a power cable with waterproof function, which comprises a cable body 1, wherein the cable body 1 comprises a group of wire cores 2; a group of wires 3 are fixedly connected inside the three groups of wire cores 2;
the cable body 1 further comprises a protective sleeve 4; the side surface of the protective sleeve 4 is provided with sliding chutes 5 which are arranged in a linear array; the positions of the protective sleeve 4 corresponding to the sliding chutes 5 are rotatably connected with wear-resistant sliding rings 6;
through the design of the wear-resistant slip ring 6, the friction force between the cable and the ground is effectively reduced in the dragging or dragging process of the cable, and the wear resistance of the cable is further enhanced;
a group of first limiting teeth 7 is fixedly connected to the inner wall of the protective sleeve 4; an outer waterproof filling layer 8 is sleeved on the inner wall of the protective sleeve 4; the positions of the outer waterproof filling layer 8 corresponding to the first limiting teeth 7 are provided with first limiting grooves 9 matched with the first limiting teeth 7, and the relative dislocation or position movement between the protective sleeve 4 and the outer waterproof filling layer 8 in the rotating or dragging process is avoided through the design of the first limiting teeth 7 and the first limiting grooves 9;
an inner waterproof filling layer 10 is sleeved on the inner wall of the outer waterproof filling layer 8; a torsion spring 11 is fixedly connected between the opposite surfaces of the outer waterproof filling layer 8 and the inner waterproof filling layer 10, and the cable has multidirectional resilience force through the design of the torsion spring 11, so that the torsion resistance and the self-resetting performance of the cable are enhanced;
a group of second limiting teeth 12 are fixedly connected to the inner wall of the inner waterproof filling layer 10; a water-blocking expansion ring 13 is fixedly sleeved on the inner wall of the inner waterproof filling layer 10; the peripheral side surface of the water-blocking expansion ring 13 and the position corresponding to the second limiting tooth 12 are provided with second limiting grooves 14 matched with the second limiting tooth 12, and the water-blocking expansion ring 13 and the inner waterproof filling layer 10 are prevented from being relatively dislocated in the dragging or moving process of the cable through the design of the second limiting grooves 14 and the second limiting teeth 12;
a group of mounting holes 15 are formed in the water-blocking expansion ring 13 at positions corresponding to the wire cores 2; the inner wall of the water-blocking expansion ring 13 is connected with the wire core 2 through a mounting hole 15; a group of hydrophobic holes 16 are further formed in one surface of the water-blocking expansion ring 13; the inner walls of the three hydrophobic holes 16 are fixedly provided with water absorption alicyclic rings 17; and a tensile anti-torsion steel rope 18 is fixedly arranged at the axis position of the water-blocking expansion ring 13.
Further, a hydrophobic coating 401 is fixedly coated on the outer wall of the protective sleeve 4; the protective sleeve 4 comprises an armor layer 402, an insulating layer 403 and a fiber braided shielding layer 404 which are sequentially connected from outside to inside; the fiber braided shielding layer 404 is an aramid fiber braided layer; the insulating layer 403 is made of insulating rubber; the armor layer 402 and the wear-resistant slip ring 6 are both made of wear-resistant rubber.
Further, the water-blocking expansion ring 13 is made of an expansion water-blocking rubber material; the mounting holes 15 and the drain holes 16 are distributed on one surface of the water-blocking expansion ring 13 at intervals; the three mounting holes 15 are distributed on one surface of the water-blocking expansion ring 13 in a circumferential array.
Further, the tensile anti-twist steel cable 18 is formed by weaving a plurality of steel cables; the six first limiting teeth 7 are distributed on the inner wall of the protective sleeve 4 in a circumferential array; the six second limiting grooves 14 are distributed in a circumferential array on the circumferential side surface of the water blocking expansion ring 13.
Furthermore, water-absorbing resin is fixedly filled in the water-absorbing alicyclic ring 17, and the water-absorbing resin has high water absorption so as to perform certain self-absorption on water entering the cable and perform certain self-protection function through the self-absorption of the water; the middle of the water absorption alicyclic ring 17 is provided with a drainage channel coaxial with the drainage hole 16, water adsorbed by the water absorption alicyclic ring 17 is discharged under the action of the drainage channel, and meanwhile, the drainage channel has certain weight reduction and resilience enhancement functions.
Further, outer waterproof filling layer 8 and interior waterproof filling layer 10 comprise elasticity rubber sheath and polyester fiber non-woven fabrics, thereby play dual waterproof effect to the cable through outer waterproof filling layer 8 and interior waterproof filling layer 10.
Compared with the traditional cable, the cable is additionally provided with a wear-resistant mechanism, the wear-resistant mechanism consists of a wear-resistant slip ring 6 and a sliding groove 5, the wear-resistant slip ring 6 can slide automatically in the process of dragging the cable or contacting the cable with the ground, so that the friction resistance of the cable is enhanced, meanwhile, the cable has dual waterproof performance through the design of an outer waterproof filling layer 8 and an inner waterproof filling layer 10, the cable can expand when entering water through the design of a waterproof expansion ring 13 and automatically seals a water leakage gap, and the gap between the cable and a wire core 2 is reduced under the expansion effect so as to achieve the effect of water stopping when meeting water, the cable has high resilience through a torsion spring 11, so that the torsion resistance of the cable is enhanced, and the tension resistance and tensile property of the cable can be enhanced through a tensile torsion-resistant steel rope 18, through the design of first spacing tooth 7, second spacing tooth 12, first spacing groove 9 and second spacing groove 14, then can effectively carry on spacingly to the structural component in the cable, avoid then it dragging the in-process, dislocation or relative displacement take place for the structural component of cable inside.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A power cable with a waterproof function comprises a cable body (1), wherein the cable body (1) comprises a group of wire cores (2); a plurality of inside equal fixedly connected with a set of wire (3) of sinle silk (2), its characterized in that:
the cable body (1) further comprises a protective sleeve (4); the peripheral side surface of the protective sleeve (4) is provided with sliding chutes (5) which are arranged in a linear array; the positions of the protective sleeve (4) corresponding to the sliding grooves (5) are rotatably connected with wear-resistant sliding rings (6); a group of first limiting teeth (7) is fixedly connected to the inner wall of the protective sleeve (4); an outer waterproof filling layer (8) is sleeved on the inner wall of the protective sleeve (4); the positions of the outer waterproof filling layers (8) corresponding to the first limiting teeth (7) are provided with first limiting grooves (9) matched with the first limiting teeth (7); an inner waterproof filling layer (10) is sleeved on the inner wall of the outer waterproof filling layer (8); a torsion spring (11) is fixedly connected between the opposite surfaces of the outer waterproof filling layer (8) and the inner waterproof filling layer (10); the inner wall of the inner waterproof filling layer (10) is fixedly connected with a group of second limiting teeth (12); a water-blocking expansion ring (13) is fixedly sleeved on the inner wall of the inner waterproof filling layer (10); the peripheral side surface of the water-blocking expansion ring (13) and the position corresponding to the second limiting tooth (12) are provided with a second limiting groove (14) matched with the second limiting tooth (12);
a group of mounting holes (15) are formed in the water-blocking expansion ring (13) at positions corresponding to the wire cores (2); the inner wall of the water-blocking expansion ring (13) is connected with the wire core (2) through a mounting hole (15); one surface of the water-blocking expansion ring (13) is also provided with a group of hydrophobic holes (16); the inner walls of the plurality of the water drainage holes (16) are fixedly provided with water absorption alicyclic rings (17); and a tensile anti-twisting steel rope (18) is fixedly arranged at the axis position of the water-blocking expansion ring (13).
2. A power cable with waterproof function according to claim 1, characterized in that the outer wall of the protective sheath (4) is fixedly coated with a hydrophobic coating (401); the protective sleeve (4) comprises an armor layer (402), an insulating layer (403) and a fiber braided shielding layer (404) which are sequentially connected from outside to inside; the fiber braided shielding layer (404) is an aramid fiber braided layer; the insulating layer (403) is made of insulating rubber; the armor layer (402) and the wear-resistant slip ring (6) are both made of wear-resistant rubber.
3. A power cable with waterproof function according to claim 1, characterized in that said water-blocking expansion ring (13) is made of expanded water-blocking rubber; the mounting holes (15) and the drainage holes (16) are distributed on one surface of the water-blocking expansion ring (13) at intervals; the mounting holes (15) are distributed on one surface of the water-blocking expansion ring (13) in a circumferential array.
4. A waterproof power cable according to claim 1, wherein said tensile and anti-twist steel cord (18) is a multi-strand steel cord; the first limiting teeth (7) are distributed on the inner wall of the protective sleeve (4) in a circumferential array; the second limiting grooves (14) are distributed on the circumferential side surface of the water-blocking expansion ring (13) in a circumferential array manner.
5. The power cable with waterproof function as claimed in claim 1, wherein the water-absorbing alicyclic ring (17) is internally and fixedly filled with water-absorbing resin; and a hydrophobic flow channel coaxial with the hydrophobic hole (16) is arranged in the middle of the water absorption alicyclic ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020166932.4U CN211404132U (en) | 2020-02-13 | 2020-02-13 | Power cable with waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020166932.4U CN211404132U (en) | 2020-02-13 | 2020-02-13 | Power cable with waterproof function |
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| Publication Number | Publication Date |
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| CN211404132U true CN211404132U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020166932.4U Active CN211404132U (en) | 2020-02-13 | 2020-02-13 | Power cable with waterproof function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140364A (en) * | 2021-04-25 | 2021-07-20 | 渝丰科技股份有限公司 | Long-life cable |
| CN113674897A (en) * | 2021-08-24 | 2021-11-19 | 深圳市东江电缆实业有限公司 | Cable for preventing fishhook from winding barb on offshore part |
| CN113745887A (en) * | 2021-08-23 | 2021-12-03 | 沃姆环境设备启东有限公司 | Movable connector |
| CN114474480A (en) * | 2022-01-11 | 2022-05-13 | 中国神华煤制油化工有限公司 | Vibrating screen inlet receiving device and polyethylene production equipment |
| CN114822936A (en) * | 2022-04-27 | 2022-07-29 | 浙江三科线缆股份有限公司 | Drag chain cable and forming process thereof |
| CN114927265A (en) * | 2022-06-01 | 2022-08-19 | 欧耐特线缆集团有限公司 | Waterproof corrosion-resistant novel photovoltaic cable |
-
2020
- 2020-02-13 CN CN202020166932.4U patent/CN211404132U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140364A (en) * | 2021-04-25 | 2021-07-20 | 渝丰科技股份有限公司 | Long-life cable |
| CN113745887A (en) * | 2021-08-23 | 2021-12-03 | 沃姆环境设备启东有限公司 | Movable connector |
| CN113674897A (en) * | 2021-08-24 | 2021-11-19 | 深圳市东江电缆实业有限公司 | Cable for preventing fishhook from winding barb on offshore part |
| CN114474480A (en) * | 2022-01-11 | 2022-05-13 | 中国神华煤制油化工有限公司 | Vibrating screen inlet receiving device and polyethylene production equipment |
| CN114822936A (en) * | 2022-04-27 | 2022-07-29 | 浙江三科线缆股份有限公司 | Drag chain cable and forming process thereof |
| CN114822936B (en) * | 2022-04-27 | 2024-03-05 | 浙江三科线缆股份有限公司 | Drag chain cable and forming process thereof |
| CN114927265A (en) * | 2022-06-01 | 2022-08-19 | 欧耐特线缆集团有限公司 | Waterproof corrosion-resistant novel photovoltaic cable |
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