CN215730962U - Cross-linked polyethylene high-low voltage power cable with good insulation effect - Google Patents
Cross-linked polyethylene high-low voltage power cable with good insulation effect Download PDFInfo
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- CN215730962U CN215730962U CN202122148407.7U CN202122148407U CN215730962U CN 215730962 U CN215730962 U CN 215730962U CN 202122148407 U CN202122148407 U CN 202122148407U CN 215730962 U CN215730962 U CN 215730962U
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- voltage power
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- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 25
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a cross-linked polyethylene high-low voltage power cable with good insulation effect, which comprises an outer sheath, wherein a plurality of groups of guide cores are arranged in the outer sheath, a ferrule is arranged between the guide cores and the outer sheath, an upper shell and a lower shell are arranged on the outer side of the outer sheath, the upper shell is positioned on one side of the lower shell, supporting blocks are respectively arranged at two sides of the ferrule close to two ends, a ring rod and a receiving plate are arranged between two groups of the supporting blocks on the opposite side, two groups of telescopic rods are arranged between the ring rod and the receiving plate, sliding blocks are respectively arranged at the bottom ends of the four groups of the supporting blocks, clamping blocks are respectively arranged at two ends and the middle part of one side of the upper shell, and clamping grooves are respectively arranged at one side of the lower shell close to the front of the three groups of the clamping blocks; the crosslinked polyethylene high-low voltage power cable with good insulation effect further enhances the protection of the cable on the premise of the original protection structure, and ensures the service life of the cable.
Description
Technical Field
The utility model relates to the field of power cables, in particular to a crosslinked polyethylene high-low voltage power cable with a good insulation effect.
Background
The power cable is used for transmitting and distributing electric energy and is commonly used for urban underground power grids, leading-out lines of power stations, internal power supply of industrial and mining enterprises and underwater power transmission lines crossing rivers and sea. In the power line, the specific gravity of the cable is gradually increasing, and the power cable is a cable product used for transmitting and distributing high-power electric energy in the main line of the power system;
however, the existing crosslinked polyethylene high-low voltage power cable has certain disadvantages to be improved when in use, and the existing crosslinked polyethylene high-low voltage power cable is lack of a connection sealing structure at the joint of a fracture and another group of cables, so that a gap exists at the joint when the cable is connected with a new cable, and therefore, substances enter the inside of the cable in the daily use process to influence the normal operation of the cable; the outer side of the existing crosslinked polyethylene high-low voltage power cable is usually protected by a hose, so that the cable is not enough in hardness, cannot bear large impact force and is not beneficial to use.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a crosslinked polyethylene high-low voltage power cable with good insulation effect, which can effectively solve the problem that the existing crosslinked polyethylene high-low voltage power cable in the background technology is lack of a connection sealing structure at the joint of a fracture and another group of cables, so that a gap exists at the joint when the crosslinked polyethylene high-low voltage power cable is connected with a new cable, and therefore, substances enter the cable in the daily use process to influence the normal operation of the cable; the outer side of the existing crosslinked polyethylene high-low voltage power cable is usually protected by a hose, so that the cable is not enough in hardness, cannot bear large impact force and is not beneficial to use.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a cross-linked polyethylene high-low voltage power cable with a good insulation effect comprises an outer sheath, wherein a plurality of groups of guide cores are arranged inside the outer sheath, a ferrule is arranged between each guide core and the outer sheath, an upper shell and a lower shell are arranged on the outer side of the outer sheath, the upper shell is positioned on one side of the lower shell, supporting blocks are arranged on two sides of the ferrule by means of two ends, a ring rod and a containing plate are arranged between two groups of the supporting blocks on the opposite side, two groups of telescopic rods are arranged between the ring rod and the containing plate, and sliding blocks are arranged at the bottom ends of the four groups of the supporting blocks;
go up the one side both ends of shell and all install the fixture block with the middle part, the draw-in groove has all been seted up by three fixture block dead ahead in one side of shell down, go up the shell and all install the rubber pad with the relative one side of shell down, go up the one side of shell and all install concave block by both ends, and the card post is all installed by two sets of concave block dead ahead in one side of shell down.
As a further scheme of the utility model, the upper shell and the lower shell are both in a semi-circular arc shape, and one sides of the upper shell and the lower shell are fixedly connected with the clamping grooves through three groups of clamping blocks.
As a further scheme of the utility model, the diameter of the bottom end of the ferrule is smaller than that of one end of the outer sheath, and one side of the ferrule is fixedly connected inside the outer sheath through two groups of supporting blocks.
As a further scheme of the utility model, the inner wall of the ferrule is provided with sliding grooves at the outer sides close to the sliding blocks, and springs are arranged in the two groups of sliding grooves.
As a further scheme of the utility model, the length of one side of the containing plate is smaller than that of one side of the ring rod, and two sides of the containing plate are movably connected inside the ring rod.
As a further scheme of the utility model, two ends of the inner walls of the upper shell and the lower shell are respectively and fixedly connected with the clamping columns through two groups of concave blocks.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, two groups of support blocks arranged on one side of the ferrule are pressed towards the same side, so that the bottom end of the support blocks moves on one side of the ferrule through the sliding block and the sliding groove, and when the two groups of support blocks move, the containing plate can be clamped into the ring rod through two groups of telescopic rods, the distance between the two groups of support blocks is reduced, so that the diameter of the cable is matched, the support blocks are better clamped and arranged, and the spring arranged in the sliding groove can extrude the two sides of the inner wall of the outer sheath of the support block after the positions of the two groups of support blocks are determined, so that the aim of abutting and fixing is realized;
through moving the outside of oversheath respectively with last shell and lower shell, to its parcel, after wrapping up completely, go up the fixture block of shell and lower shell side-mounting and the draw-in groove cooperation of seting up, fix the position of last shell and lower shell, and the concave block of inner wall installation provides multiunit adapting unit structure with the card post, it is more stable after being connected with lower shell to make to go up the shell, be difficult for droing, the rubber pad of inner wall installation is after the installation is accomplished simultaneously, increase the frictional force with the oversheath, make the angle of going up shell and lower shell can not change, promote the stability of protection, through setting up shell and lower shell under hose protection prerequisite, further promoted the protectiveness to power cable, guarantee cable life.
Drawings
FIG. 1 is a schematic view of the overall structure of a crosslinked polyethylene high-low voltage power cable with good insulation effect according to the present invention;
FIG. 2 is a cross-sectional view of the structure of the ferrule of the cross-linked polyethylene high-low voltage power cable with good insulation effect according to the present invention;
fig. 3 is a front view of the lower housing and the lower housing of the crosslinked polyethylene high-low voltage power cable with good insulation effect.
Fig. 4 is a cross-sectional view of the lower housing and the lower housing of the cross-linked polyethylene high-low voltage power cable with good insulation effect according to the present invention.
In the figure: 1. an upper housing; 2. a guide core; 3. a ferrule; 4. an outer sheath; 5. a lower housing; 6. a slider; 7. supporting a block; 8. a loop bar; 9. a storage plate; 10. a telescopic rod; 11. a clamping block; 12. a card slot; 13. a rubber pad; 14. a concave block; 15. and (5) clamping the column.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-4, a cross-linked polyethylene high-low voltage power cable with good insulation effect comprises an outer sheath 4, and is characterized in that: a plurality of groups of guide cores 2 are arranged in the outer sheath 4, a ferrule 3 is arranged between the guide cores 2 and the outer sheath 4, an upper shell 1 and a lower shell 5 are arranged on the outer side of the outer sheath 4, the upper shell 1 is positioned on one side of the lower shell 5, support blocks 7 are arranged on two sides of the ferrule 3 close to two ends, a ring rod 8 and a containing plate 9 are arranged between two groups of support blocks 7 on the opposite side, two groups of telescopic rods 10 are arranged between the ring rod 8 and the containing plate 9, and sliding blocks 6 are arranged at the bottom ends of the four groups of support blocks 7;
go up one side both ends and the middle part of shell 1 and all install fixture block 11, draw-in groove 12 has all been seted up by three fixture block 11 dead ahead in one side of shell 5 down, goes up shell 1 and all installs rubber pad 13 with shell 5's relative one side down, goes up one side of shell 1 and leans on both ends to all install concave block 14, and the dead ahead that leans on two sets of concave blocks 14 in one side of shell 5 down all installs card post 15.
In this embodiment, in order to fit the outer shape of the cable and protect the cable, the upper housing 1 and the lower housing 5 are both in a semi-arc shape, and one side of the upper housing 1 and one side of the lower housing 5 are fixedly connected to the slot 12 through three sets of blocks 11.
In the present embodiment, in order to enable the ferrule 3 to be mounted inside the cable, the bottom end diameter of the ferrule 3 is smaller than one end diameter of the outer sheath 4, and one side of the ferrule 3 is fixedly connected inside the outer sheath 4 by two sets of support blocks 7.
In this embodiment, remove about in order to let two sets of brace pieces 7, reach and lean on fixed purpose, the spout has all been seted up to the inner wall of lasso 3 by the outside of slider 6, and the spring is all installed to the inside of two sets of spouts.
In the present embodiment, in order to enable the receiving plate 9 to enter the inside of the loop bar 8, the length of one side of the receiving plate 9 is smaller than that of one side of the loop bar 8, and both sides of the receiving plate 9 are movably connected inside the loop bar 8.
In this embodiment, in order to further improve the connection stability of the upper housing 1 and the lower housing 5, two ends of the inner walls of the upper housing 1 and the lower housing 5 are respectively fixedly connected with the clamping column 15 through two sets of concave blocks 14.
It should be noted that, the utility model is a cross-linked polyethylene high-low voltage power cable with good insulation effect, when in use, firstly, a plurality of groups of guide cores 2 at the fracture of the outer sheath 4 are connected to one end of a new power cable, when in connection, two groups of support blocks 7 arranged at one side of the ferrule 3 are pressed towards the same side, so that the bottom ends of the support blocks move to one side of the ferrule 3 through the sliding blocks 6 and the sliding grooves, and when the two groups of support blocks 7 move, the containing plate 9 is clamped into the ring rod 8 through two groups of telescopic rods 10, the distance between the two groups of support blocks 7 is reduced, thereby the diameter of the cable is matched, the cable is better clamped and installed, and the spring arranged in the sliding groove can extrude the two sides of the inner wall of the outer sheath 4 after the positions of the two groups of support blocks 7 are determined, the aim of abutting and fixing is achieved, after the two groups of power cables are installed, the upper shell 1 and the lower shell 5 are respectively moved to the outer side of the outer sheath 4, to its parcel, after wrapping up completely, go up the fixture block 11 of shell 1 and 5 side-mounting down and the draw-in groove 12 cooperation of seting up, fix the position of last shell 1 with lower shell 5, and the concave block 14 of inner wall installation provides multiunit adapting unit structure with card post 15, it is more stable after making to go up shell 1 and be connected with lower shell 5, be difficult for droing, simultaneously the rubber pad 13 of inner wall installation is after the installation is accomplished, increase the frictional force with oversheath 4, make the angle of going up shell 1 and lower shell 5 can not change, promote the stability of protection, and the oversheath 4 of leading the installation of the 2 outsides of core promotes insulating nature limitedly, reduce the probability that takes place the electric leakage.
According to the utility model, two groups of support blocks 7 arranged on one side of a ferrule 3 are pressed towards the same side, so that the bottom end of the ferrule moves on one side of the ferrule 3 through a sliding block 6 and a sliding groove, and when the two groups of support blocks 7 move, a containing plate 9 is clamped into the ring rod 8 through two groups of telescopic rods 10, the distance between the two groups of support blocks 7 is reduced, so that the diameter of a cable is matched, and the ferrule is better clamped and arranged, and a spring arranged in the sliding groove can extrude two sides of the inner wall of an outer sheath 4 of the spring after the positions of the two groups of support blocks 7 are determined, so that the aim of abutting and fixing is realized, and when the cable is connected into a new power cable through arranging the ferrule 3, a structure for improving the sealing property is provided, so that the inside of the cable cannot enter substances in the daily use process, and the normal operation of the cable is ensured; through moving outer shell 1 and lower shell 5 respectively to the outside of oversheath 4, wrap up it, after wrapping up completely, go up the fixture block 11 of shell 1 and the cooperation of the draw-in groove 12 of seting up of shell 5 side-mounting down, fix the position of last shell 1 and lower shell 5, and concave block 14 and the card post 15 of inner wall installation provide multiunit adapting unit structure, make it is more stable after shell 1 is connected with lower shell 5, be difficult for droing, the rubber pad 13 of inner wall installation is after the installation is accomplished simultaneously, increase the frictional force with oversheath 4, make the angle of last shell 1 and lower shell 5 can not change, promote the stability of protection, through setting up under outer shell 1 and lower shell 5 hose protection prerequisite, further promoted the protectiveness to power cable, guarantee cable life.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an insulating effectual crosslinked polyethylene high-low voltage power cable, includes oversheath (4), its characterized in that: a plurality of groups of guide cores (2) are arranged inside the outer sheath (4), a ferrule (3) is arranged between each guide core (2) and the outer sheath (4), an upper shell (1) and a lower shell (5) are arranged on the outer side of the outer sheath (4), the upper shell (1) is positioned on one side of the lower shell (5), support blocks (7) are arranged at two sides of the ferrule (3) close to two ends of the ferrule, a ring rod (8) and a containing plate (9) are arranged between two groups of support blocks (7) on the opposite side, two groups of telescopic rods (10) are arranged between the ring rod (8) and the containing plate (9), and sliding blocks (6) are arranged at the bottom ends of the four groups of support blocks (7);
go up one side both ends and the middle part of shell (1) and all install fixture block (11), draw-in groove (12) have all been seted up by three fixture block (11) dead ahead in one side of shell (5) down, go up shell (1) and all install rubber pad (13) with the relative one side of lower shell (5), go up one side of shell (1) and lean on both ends all to install concave block (14), and just the dead ahead of leaning on two sets of concave blocks (14) in one side of shell (5) down all installs card post (15).
2. The crosslinked polyethylene high-low voltage power cable with good insulation effect according to claim 1, characterized in that: go up shell (1) and all be semicircle arc form with lower shell (5), and go up shell (1) and pass through three fixture blocks of group (11) and draw-in groove (12) fixed connection with one side of lower shell (5).
3. The crosslinked polyethylene high-low voltage power cable with good insulation effect according to claim 1, characterized in that: the diameter of the bottom end of the ferrule (3) is smaller than that of one end of the outer sheath (4), and one side of the ferrule (3) is fixedly connected inside the outer sheath (4) through two groups of support blocks (7).
4. The crosslinked polyethylene high-low voltage power cable with good insulation effect according to claim 1, characterized in that: the inner wall of the ferrule (3) is provided with sliding grooves by the outer sides of the sliding blocks (6), and springs are arranged inside the two groups of sliding grooves.
5. The crosslinked polyethylene high-low voltage power cable with good insulation effect according to claim 1, characterized in that: the length of one side of the storage plate (9) is smaller than that of one side of the ring rod (8), and the two sides of the storage plate (9) are movably connected inside the ring rod (8).
6. The crosslinked polyethylene high-low voltage power cable with good insulation effect according to claim 1, characterized in that: the two ends of the inner walls of the upper shell (1) and the lower shell (5) are respectively fixedly connected with the clamping columns (15) through two groups of concave blocks (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148407.7U CN215730962U (en) | 2021-09-07 | 2021-09-07 | Cross-linked polyethylene high-low voltage power cable with good insulation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122148407.7U CN215730962U (en) | 2021-09-07 | 2021-09-07 | Cross-linked polyethylene high-low voltage power cable with good insulation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215730962U true CN215730962U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122148407.7U Expired - Fee Related CN215730962U (en) | 2021-09-07 | 2021-09-07 | Cross-linked polyethylene high-low voltage power cable with good insulation effect |
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| Country | Link |
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| CN (1) | CN215730962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118248395A (en) * | 2023-10-23 | 2024-06-25 | 无锡市恒汇电缆有限公司 | Intelligent early warning type high-voltage power cable with fireproof electrode and use method thereof |
-
2021
- 2021-09-07 CN CN202122148407.7U patent/CN215730962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118248395A (en) * | 2023-10-23 | 2024-06-25 | 无锡市恒汇电缆有限公司 | Intelligent early warning type high-voltage power cable with fireproof electrode and use method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |