CN220139125U - Insulated cable with high voltage resistant function - Google Patents
Insulated cable with high voltage resistant function Download PDFInfo
- Publication number
- CN220139125U CN220139125U CN202321709496.0U CN202321709496U CN220139125U CN 220139125 U CN220139125 U CN 220139125U CN 202321709496 U CN202321709496 U CN 202321709496U CN 220139125 U CN220139125 U CN 220139125U
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- China
- Prior art keywords
- cable
- sleeve
- clamping
- high voltage
- fixedly connected
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses an insulated cable with a high voltage resistance function, which comprises a first cable and a second cable, wherein the cable cores of the first cable and the second cable are connected together; the clamping unit comprises a plurality of clamping strips fixedly connected to the side surfaces of the first cable and the second cable, and clamping grooves matched with the clamping strips are formed in the inner side walls of the connecting units. According to the utility model, the clamping grooves and the clamping strips are arranged, so that when the first cable and the second cable are required to be connected, the cable cores between the first cable and the second cable are wound and covered by the insulating adhesive tape, and when the first cable and the second cable are connected by the connecting unit, the clamping strips and the clamping grooves in the connecting unit are mutually clamped, and the effect of improving the stability and the connection strength of the first cable and the second cable after being connected is achieved.
Description
Technical Field
The utility model relates to an insulated cable with a high-voltage resistance function, and belongs to the technical field of cables.
Background
The extra-high voltage cable is a power cable which appears along with the continuous development of cable technology, is generally used as a central tie in a large-scale power transmission system, belongs to a high-voltage cable with higher technical content, is mainly used for long-distance power transmission, is suitable for fixing transmission and distribution power supply lines with the alternating-current rated voltage of 35KV and below, and has the highest long-term working temperature of 90 degrees.
At present, the chinese patent document with application number CN202221301896.3 in the prior art discloses an insulated cable with high voltage resistant function, which comprises a first cable, wherein a second cable is arranged on the side surface of the first cable, the first cable and the second cable are both composed of a polyvinyl chloride sheath, an armoured steel strip, a filler, a metal shield, a cross-linked polyethylene insulation and a copper conductor, the armoured steel strip penetrates through the inner side of the polyvinyl chloride sheath, and a plurality of cross-linked polyethylene insulations penetrate through the inner side of the polyvinyl chloride sheath; through the second sleeve pipe, first sleeve pipe, standing groove, connecting seat, spacing fixture block, the spacing draw-in groove of design, improve between original first cable and the second cable after being connected, there is the phenomenon that easily damages first cable and second cable junction, through this structure, on original connection basis, increase bearing structure to the junction of first cable and second cable, first cable and second cable after avoiding connecting are received to twist reverse to facilitate the use.
But it has the following drawbacks as the prior art high voltage insulated cable:
in the operation of reality, when connecting through the mode in the above-mentioned comparison document, connect first sleeve pipe and second cable through anti-skidding silica gel piece, be adsorbed between silica gel piece and the second cable surface and be connected, when rocking appears in the high-voltage cable, can cause the separation of silica gel piece and second cable, cause the connection inefficacy of first sleeve pipe and second cable, when rocking appears in the high-voltage cable, the copper conductor that twines together receives the pulling force at both ends and produces not hard up, resistance between the copper conductor after becoming flexible becomes large, lead to copper conductor hookup location calorific capacity increase after the resistance becomes large, can take place the insulating layer to break down after the cable after the continuous circular telegram of heat enhancement, lead to the cable short circuit tripping operation, lead to the emergence of conflagration even in serious time.
Therefore, it is important to develop a new insulated cable having a high voltage resistance function to solve the above problems.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, overcomes the defects in the prior art, and designs an insulated cable with a high voltage resistance function, and improves the stability and the connection strength of a first cable and a second cable after connection.
In order to achieve the above object, the technical scheme of the present utility model is as follows: an insulated cable with a high voltage resistance function comprises a first cable and a second cable, wherein the cable cores of the first cable and the second cable are connected together, a connecting unit is connected between the outer sides of the first cable and the second cable, and a clamping unit is arranged between the connecting unit and the first cable and between the connecting unit and the second cable; the clamping unit comprises a plurality of clamping strips fixedly connected to the side surfaces of the first cable and the second cable, and clamping grooves matched with the clamping strips are formed in the inner side walls of the connecting units.
Preferably, the connecting unit comprises a first sleeve pipe clamped on the side face of the first cable, a second sleeve pipe clamped on the side face of the second cable, the first sleeve pipe and the second sleeve pipe are in a plurality of semicircular combinations, fixing blocks are fixedly connected to the side faces of the end portions of the first sleeve pipe and the second sleeve pipe respectively, the first sleeve pipe and the second sleeve pipe are connected with the fixing blocks in a matched mode through bolts, and a holding unit is arranged between the first sleeve pipe and the second sleeve pipe.
Preferably, the enclasping unit comprises a connecting sleeve fixedly connected to the side surface of the second sleeve, a limiting ring is fixedly connected to the side surface of one end of the first sleeve, which is close to the second sleeve, and a limiting groove matched with the limiting ring is formed in the inner side wall of the connecting sleeve.
Preferably, the side surface of the limiting ring, which is far away from the second sleeve, is fixedly connected with an elastic plate.
Preferably, the side surfaces of the first sleeve and the second sleeve are fixedly connected with reinforcing ribs.
Preferably, the clamping strip and the clamping groove are in interference fit.
Preferably, the clamping groove is used for clamping at least two clamping strips.
The utility model has the beneficial effects that:
1. according to the utility model, the clamping grooves and the clamping strips are arranged, so that when the first cable and the second cable are required to be connected, the cable cores between the first cable and the second cable are wound and covered by the insulating adhesive tape, and when the first cable and the second cable are connected by the connecting unit, the clamping strips and the clamping grooves in the connecting unit are mutually clamped, and the effect of improving the stability and the connection strength of the first cable and the second cable after being connected is achieved.
2. According to the utility model, the joint between the first cable and the second cable is sealed under the cooperation of the clamping unit and the connecting unit by arranging the clamping unit and the connecting unit, so that the sealing effect on the joint between the first cable and the second cable is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the first sleeve and the second sleeve of the present utility model;
FIG. 3 is a schematic cross-sectional view of a first cable and a second cable according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B;
in the figure: 1. a first cable; 2. a second cable; 3. a first sleeve; 4. a second sleeve; 5. a clamping strip; 6. a clamping groove; 7. a fixed block; 8. a connection sleeve; 9. a limiting ring; 10. a limit groove; 11. an elastic plate; 12. reinforcing ribs.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1
As shown in fig. 1-5, the insulated cable with high voltage resistance provided by the utility model comprises a first cable 1 and a second cable 2, wherein cable cores of the first cable 1 and the second cable 2 are connected together, a connecting unit is connected between the outer sides of the first cable 1 and the second cable 2, and a clamping unit is arranged between the connecting unit and the first cable 1 and the second cable 2; the joint unit includes a plurality of fixed connection in joint strip 5 of first cable 1 and second cable 2 side, the connecting unit inside wall is equipped with the joint groove 6 with joint strip 5 adaptation, the connecting unit includes joint at the first sleeve pipe 3 of first cable 1 side, second cable 2 side joint has second sleeve pipe 4, first sleeve pipe 3 and second sleeve pipe 4 are a plurality of semicircle combinations, the equal fixedly connected with fixed block 7 of first sleeve pipe 3 and second sleeve pipe 4 tip side, first sleeve pipe 3 and second sleeve pipe 4 are connected through the cooperation of bolt with fixed block 7, be equipped with between first sleeve pipe 3 and the second sleeve pipe 4 and hold tightly the unit, hold tightly the connecting sleeve pipe 8 of unit at second sleeve pipe 4 side including fixed connection, the one end side fixedly connected with spacing ring 9 that first sleeve pipe 3 is close to second sleeve pipe 4, spacing groove 10 with spacing ring 9 adaptation is seted up to connecting sleeve pipe 8 inside wall.
In this embodiment, when the first cable 1 and the second cable 2 are connected, the insulating layer at the opposite ends of the first cable 1 and the second cable 2 is stripped, the cable cores in the first cable 1 and the second cable 2 are wound or flattened through the sleeve joint, after the cable cores of the first cable 1 and the second cable 2 are connected, the connected cable cores are covered by the insulating adhesive tape, the two semicircular combinations are formed through the first sleeve 3 and the second sleeve 4, the first sleeve 3 is clamped at the outer sides of the first cable 1 and the second cable 2 through the cooperation of the fixing block 7 and the bolt, the clamping groove 6 is clamped with the clamping strip 5, the first sleeve 3 is fixed through the bolt and the fixing block 7, then the second sleeve 4 is clamped at the side surface of the second cable 2, the clamping strip 5 is clamped with the clamping groove 6, the limiting groove 10 is clamped at the side surface of the limiting ring 9 on the side surface of the first sleeve 3, the second sleeve 4 is matched with the fixing block 7, and the second sleeve 4 is matched with the limiting ring 9 through the cooperation of the fixing block 7 and the fixing block 7, and the first sleeve 2 is matched with the limiting groove 10, and the stability is improved.
Example 2
As shown in fig. 3-5, compared with embodiment 1, the insulated cable with high voltage resistance provided by the utility model further includes an elastic plate 11 fixedly connected to the side surface of the limiting ring 9 away from the second sleeve 4, wherein the side surfaces of the first sleeve 3 and the second sleeve 4 are fixedly connected with reinforcing ribs 12, the clamping strips 5 are in interference fit with the clamping grooves 6, and the clamping grooves 6 are at least clamped with the two clamping strips 5.
In this embodiment, through setting up the spring plate 11, the spring plate 11 is for having elastic circular arc, and the side of spring plate 11 offsets with the inside wall of spacing groove 10, and when producing pulling force between first cable 1 and the second cable 2, spring plate 11 has the buffering effect, and strengthening rib 12 has the intensity of strengthening first sleeve pipe 3 and second sleeve pipe 4, and joint strip 5 is interference joint with joint groove 6, and two joint strips 5 of joint groove 6 at least joint improve joint intensity, and then improve the intensity after first cable 1 and the connection of second cable 2.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. The insulated cable with the high voltage resistance function comprises a first cable (1) and a second cable (2) which are connected together through cable cores, and is characterized in that a connecting unit is connected between the outer sides of the first cable (1) and the second cable (2), and a clamping unit is arranged between the connecting unit and the first cable (1) and the second cable (2); the clamping unit comprises a plurality of clamping strips (5) fixedly connected to the side surfaces of the first cable (1) and the second cable (2), and clamping grooves (6) matched with the clamping strips (5) are formed in the inner side walls of the connecting units.
2. The insulated cable with the high voltage resistant function according to claim 1, wherein the connecting unit comprises a first sleeve (3) clamped on the side face of the first cable (1), a second sleeve (4) is clamped on the side face of the second cable (2), the first sleeve (3) and the second sleeve (4) are in a plurality of semicircle combinations, fixing blocks (7) are fixedly connected on the side faces of the end parts of the first sleeve (3) and the second sleeve (4), the first sleeve (3) and the second sleeve (4) are connected with the fixing blocks (7) in a matched mode through bolts, and a holding unit is arranged between the first sleeve (3) and the second sleeve (4).
3. The insulated cable with the high voltage resistant function according to claim 2, wherein the holding unit comprises a connecting sleeve (8) fixedly connected to the side face of the second sleeve (4), a limiting ring (9) is fixedly connected to the side face of one end, close to the second sleeve (4), of the first sleeve (3), and a limiting groove (10) matched with the limiting ring (9) is formed in the inner side wall of the connecting sleeve (8).
4. An insulated cable with high voltage resistance according to claim 3, characterized in that the side of the stop collar (9) remote from the second sleeve (4) is fixedly connected with a resilient plate (11).
5. An insulated cable with high voltage resistance according to claim 1, characterized in that the side surfaces of the first sleeve (3) and the second sleeve (4) are fixedly connected with reinforcing ribs (12).
6. An insulated cable with high voltage resistance according to claim 1, characterized in that the clamping strip (5) is in an interference fit with the clamping groove (6).
7. An insulated cable with high voltage resistance according to claim 1, characterized in that the clamping groove (6) is clamped with at least two clamping strips (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321709496.0U CN220139125U (en) | 2023-07-03 | 2023-07-03 | Insulated cable with high voltage resistant function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321709496.0U CN220139125U (en) | 2023-07-03 | 2023-07-03 | Insulated cable with high voltage resistant function |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220139125U true CN220139125U (en) | 2023-12-05 |
Family
ID=88959769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321709496.0U Active CN220139125U (en) | 2023-07-03 | 2023-07-03 | Insulated cable with high voltage resistant function |
Country Status (1)
Country | Link |
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CN (1) | CN220139125U (en) |
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2023
- 2023-07-03 CN CN202321709496.0U patent/CN220139125U/en active Active
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