CN215730959U - High-strength anti-fracture crosslinked polyethylene high-low voltage power cable - Google Patents
High-strength anti-fracture crosslinked polyethylene high-low voltage power cable Download PDFInfo
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- CN215730959U CN215730959U CN202122063076.7U CN202122063076U CN215730959U CN 215730959 U CN215730959 U CN 215730959U CN 202122063076 U CN202122063076 U CN 202122063076U CN 215730959 U CN215730959 U CN 215730959U
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Abstract
The utility model discloses a high-strength anti-fracture crosslinked polyethylene high-low voltage power cable which comprises a rubber sleeve, wherein four groups of cable cores are arranged in the rubber sleeve, a ring component is arranged on the inner wall of the rubber sleeve, a cross is arranged between the four groups of cable cores, bases are arranged on two sides of the top end and two sides of the bottom end of the cross, arc grooves are formed in the outer sides of the four groups of bases, a support plate is arranged at the bottom end of the inner wall of each arc groove, telescopic rods are arranged at the bottom end of the support plate close to the middle part, the ring component comprises an upper arc rod and a lower arc rod, the upper arc rod is positioned at the top end of the lower arc rod, and a first spring is arranged between the two ends of the upper arc rod and the two ends of the lower arc rod; the high-strength fracture-resistant cross-linked polyethylene high-low voltage power cable increases the hardness of the inner wall of the cable, and meanwhile, a supporting component is provided inside the cable, so that the probability of fracture is reduced when the cable is stressed.
Description
Technical Field
The utility model relates to the field of power cables, in particular to a high-strength fracture-resistant cross-linked polyethylene high-low voltage power cable.
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, and the cable cores in the existing crosslinked polyethylene high-low voltage power cable are lack of a blocking structure, so that when the cable is damaged, four groups of cable cores can be mutually extruded to cause great damage, and the use defect exists; when an existing crosslinked polyethylene high-low voltage power cable is damaged, a supporting structure is not arranged in the existing crosslinked polyethylene high-low voltage power cable, so that the existing crosslinked polyethylene high-low voltage power cable is easy to break and is not beneficial to use when being extruded.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a high-strength fracture-resistant cross-linked polyethylene high-low voltage power cable, which can effectively solve the problem that cable cores in the existing cross-linked polyethylene high-low voltage power cable in the background art are lack of blocking structures, so that when the cable is damaged, four groups of cable cores can be mutually extruded to cause larger damage and use defects; when an existing crosslinked polyethylene high-low voltage power cable is damaged, a supporting structure is not arranged in the existing crosslinked polyethylene high-low voltage power cable, so that the existing crosslinked polyethylene high-low voltage power cable is easy to break when being extruded, and is not beneficial to the technical problem of use.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a high-strength anti-fracture cross-linked polyethylene high-low voltage power cable comprises a rubber sleeve, wherein four groups of cable cores are arranged in the rubber sleeve, a ring assembly is arranged on the inner wall of the rubber sleeve, a cross is arranged between the four groups of cable cores, bases are arranged on two sides of the top end and two sides of the bottom end of the cross, arc grooves are formed in the outer sides of the four groups of bases, a support plate is arranged at the bottom end of the inner wall of each arc groove, and a telescopic rod is arranged at the bottom end of each support plate close to the middle part of each support plate;
the ring assembly comprises an upper arc rod and a lower arc rod, the upper arc rod is located at the top end of the lower arc rod, springs I are mounted between the two ends of the upper arc rod and the two ends of the lower arc rod, a silica gel pad is mounted at one end of the upper arc rod and one end of the lower arc rod, clamping grooves are formed in the two sides of the upper arc rod and the two sides of the lower arc rod by means of the middle portions of the upper arc rod and the lower arc rod, and iron lead screws are mounted on the outer sides of the clamping grooves.
As a further scheme of the utility model, two ends of the upper arc rod and the lower arc rod are in contact connection through two groups of springs, and the upper arc rod and the lower arc rod are arranged in central symmetry.
As a further scheme of the utility model, the maximum diameter of the upper arc rod and the lower arc rod is smaller than the diameter of one end of the rubber sleeve, and the outer sides of the upper arc rod and the lower arc rod are in contact connection with the inner wall of the rubber sleeve.
As a further scheme of the utility model, the length and the width of the cross are both smaller than the diameter of one end of the rubber sleeve, and a screw is arranged at the central part of the cross in a penetrating way.
As a further scheme of the utility model, the diameters of the four groups of cable cores are equal to the diameter of the arc groove, and the four groups of cable cores are symmetrically arranged in pairs.
As a further scheme of the utility model, a second spring is arranged in the telescopic rod, and the outer side of the support plate is movably connected to the inner part of the arc groove through the telescopic rod.
Compared with the prior art, the utility model has the following beneficial effects: the utility model arranges the ring component into the rubber sleeve, when in installation, the upper arc rod and the lower arc rod are extruded inwards to force the two ends of the upper arc rod and the lower arc rod to change the integral diameter of the ring component through two groups of springs, thereby conforming to the diameter of one end of the rubber sleeve, after the ring component enters the rubber sleeve, the two groups of springs can simultaneously abut the upper arc rod and the lower arc rod to the two sides of the rubber sleeve, thereby fixing the position of the ring component, simultaneously, the silica gel pad arranged on the outer sides of the upper arc rod and the lower arc rod reduces the damage to the inner wall of the rubber sleeve when in abutment, a plurality of groups of ring components can be arranged on the inner wall of the rubber sleeve subsequently, at the moment, a group of iron lead screws can be respectively and fixedly arranged by utilizing the upper arc rod and the lower arc rod and the clamping groove arranged on one side, the iron wire rods abut against the two sides of the inner wall of the rubber sleeve, the hardness of the rubber sleeve is improved, and the integral hardness of the inner wall of the cable is improved by arranging the ring component, the inner walls of the cables can be supported, so that the strength of the cables is improved, the cables are not prone to fracture when damaged, and the service life of the cables is guaranteed;
through laying the cross between four group's cable cores, make four group's cable cores be located the inside in the arc groove that base one side was seted up respectively, utilize the shape in arc groove, position to the cable core is injectd, when the oppression that the cable takes place, four group's cable cores just can be to the inner wall bottom extrusion in arc groove, the extension board of forcing arc inslot inner wall bottom installation utilizes the telescopic link to move down, and telescopic link internally mounted's spring two is when receiving the oppression, make the telescopic link have the function of reciprocating, increase the toughness of extension board, thereby reduce the pressure that the cable core received, avoid the cable core to receive great damage and influence the normal operating of cable, receive the extrusion through setting up the cross on the whole cable, the cable core of having avoided the cable inside takes place to oppress each other, cause irreversible damage, the safety in utilization of cable has further been promoted, the practicality of cable has been promoted simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of a high-strength fracture-resistant cross-linked polyethylene high-low voltage power cable according to the present invention;
FIG. 2 is a cross sectional view of the high strength fracture resistant cross-linked polyethylene high and low voltage power cable of the present invention;
fig. 3 is a front view of a loop assembly of a high strength fracture resistant cross-linked polyethylene high and low voltage power cable of the present invention.
Fig. 4 is a side view of a loop assembly of a high strength, fracture resistant cross-linked polyethylene high and low voltage power cable of the present invention.
In the figure: 1. a rubber sleeve; 2. a cable core; 3. a loop assembly; 4. a cross; 5. an arc groove; 6. a base; 7. a support plate; 8. a telescopic rod; 9. a first spring; 10. a silica gel pad; 11. a card slot; 12. an upper arc rod; 13. a lower arc rod; 14. an iron wire rod.
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 high-strength fracture-resistant cross-linked polyethylene high-low voltage power cable comprises a rubber sleeve 1, four groups of cable cores 2 are arranged in the rubber sleeve 1, a ring component 3 is arranged on the inner wall of the rubber sleeve 1, a cross 4 is arranged between the four groups of cable cores 2, bases 6 are arranged on two sides of the top end and two sides of the bottom end of the cross 4, arc grooves 5 are arranged on the outer sides of the four groups of bases 6, support plates 7 are arranged at the bottom ends of the inner walls of the arc grooves 5, and telescopic rods 8 are arranged at the bottom ends of the support plates 7 close to the middle parts;
the ring assembly 3 comprises an upper arc rod 12 and a lower arc rod 13, the upper arc rod 12 is located at the top end of the lower arc rod 13, a first spring 9 is mounted between the two ends of the upper arc rod 12 and the two ends of the lower arc rod 13, a silica gel pad 10 is mounted at one end of the upper arc rod 12 and one end of the lower arc rod 13, clamping grooves 11 are formed in the two sides of the upper arc rod 12 and the two sides of the lower arc rod 13 respectively, and iron screw rods 14 are mounted on the outer sides of the clamping grooves 11.
In this embodiment, in order to adjust the diameter of the ring assembly according to the diameter of the cable, the two ends of the upper arc rod 12 and the lower arc rod 13 are in contact connection through two sets of springs 9, and the upper arc rod 12 and the lower arc rod 13 are arranged in central symmetry.
In the present embodiment, in order to enable the ferrule 3 to be installed inside the cable, the maximum diameter of the upper arc rod 12 and the lower arc rod 13 is smaller than the diameter of one end of the rubber sleeve 1, and the outer sides of the upper arc rod 12 and the lower arc rod 13 are in contact connection with the inner wall of the rubber sleeve 1.
In this embodiment, in order to allow the cross 4 to be installed inside the cable, the length and the width of the cross 4 are both smaller than the diameter of one end of the rubber sleeve 1, and a screw is installed through the center of the cross 4.
In this embodiment, in order to fit the shape of the arc groove 5, the cable cores 2 are convenient to place, the diameters of the four cable cores 2 are equal to the diameter of the arc groove 5, and the four cable cores 2 are arranged in pairwise symmetry.
In the embodiment, in order to enable the support plate 7 to swing up and down, a second spring is installed inside the telescopic rod 8, and the outer side of the support plate 7 is movably connected inside the arc groove 5 through the telescopic rod 8.
It should be noted that, the utility model is a high-strength anti-fracture cross-linked polyethylene high-low voltage power cable, when in use, the ring assembly 3 is firstly placed in the rubber sleeve 1, when in installation, the upper arc rod 12 and the lower arc rod 13 are pressed inwards to force the two ends of the upper arc rod 12 and the lower arc rod 13 to change the overall diameter of the ring assembly 3 through the two sets of springs one 9, so as to fit with the diameter of one end of the rubber sleeve 1, after the ring assembly 3 enters the rubber sleeve 1, the two sets of springs one 9 can simultaneously abut the upper arc rod 12 and the lower arc rod 13 to the two sides of the rubber sleeve 1, thereby fixing the position of the ring assembly 3, simultaneously reducing the damage to the inner wall of the rubber sleeve 1 when the ring assembly 3 is abutted by the silica gel pads 10 arranged on the outer sides of the upper arc rod 12 and the lower arc rod 13, subsequently arranging a plurality of ring assemblies 3 on the inner wall of the rubber sleeve 1, at this time, utilizing the upper arc rod 12 and the lower arc rod 13 and the clamping groove 11 arranged on one side to respectively fixedly arrange a set of the iron screw rod 14, lean on indisputable lead screw 14 in the inner wall both sides of rubber sleeve 1, promote the hardness of rubber sleeve 1, and when installing the cable, lay cross 4 between four groups of cable cores 2, make four groups of cable cores 2 be located the inside of the circular arc groove 5 that base 6 one side was seted up respectively, utilize the shape of circular arc groove 5, inject the position of cable core 2, when the oppression that the cable took place, four groups of cable cores 2 just can be to the inner wall bottom extrusion of circular arc groove 5, the extension board 7 of forcing the installation of circular arc groove 5 inner wall bottom utilizes telescopic link 8 to move downwards, and telescopic link 8 internally mounted's spring two is when receiving the oppression, make telescopic link 8 have the function of reciprocating, increase the toughness of extension board 7, thereby reduce the pressure that cable core 2 received, avoid cable core 2 to receive great damage and influence the normal operating of cable.
The utility model arranges the ring component 3 in the rubber sleeve 1, when in installation, the upper arc rod 12 and the lower arc rod 13 are extruded inwards to force the two ends of the upper arc rod 12 and the lower arc rod 13 to change the whole diameter of the ring component 3 through the two groups of springs I9, so as to fit the diameter of one end of the rubber sleeve 1, after the ring component 3 enters the rubber sleeve 1, the two groups of springs I9 can simultaneously prop the upper arc rod 12 and the lower arc rod 13 to the two sides of the rubber sleeve 1, thereby fixing the position of the ring component 3, simultaneously, the silicon rubber pad 10 arranged on the outer sides of the upper arc rod 12 and the lower arc rod 13 reduces the damage to the inner wall of the rubber sleeve 1 when in propping, and a plurality of groups of ring components 3 can be arranged on the inner wall of the rubber sleeve 1 subsequently, at the moment, a group of iron screw rods 14 can be respectively fixedly arranged on the upper arc rod 12 and the lower arc rod 13 and the clamping groove 11 arranged on one side, and the iron screw rods 14 are propped against the two sides of the inner wall of the rubber sleeve 1, the hardness of the rubber sleeve 1 is improved, the integral hardness of the inner wall of the cable is improved by arranging the ring component 3, the inner wall of the cable can be supported, the strength of the cable is further improved, the cable is not prone to fracture when damaged, and the service life of the cable is guaranteed; the cross 4 is placed between the four groups of cable cores 2, so that the four groups of cable cores 2 are respectively positioned inside the arc groove 5 arranged on one side of the base 6, the positions of the cable cores 2 are limited by utilizing the shape of the arc groove 5, when the cable is compressed, the four groups of cable cores 2 can be extruded towards the bottom end of the inner wall of the arc groove 5, the support plate 7 arranged at the bottom end of the inner wall of the arc groove 5 is forced to move downwards by utilizing the telescopic rod 8, and the spring II arranged inside the telescopic rod 8 is compressed, so that the telescopic rod 8 has the up-and-down moving function, the toughness of the support plate 7 is increased, the pressure borne by the cable cores 2 is reduced, the normal operation of the cable is prevented from being influenced by large damage, the cable cores 2 inside the cable are prevented from being mutually compressed by arranging the cross 4 to be extruded on the whole cable, the irreversible damage is prevented, and the use safety of the cable is further improved, meanwhile, the practicability of the cable is improved.
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 a high strength fracture resistance crosslinked polyethylene high-low voltage power cable, includes rubber sleeve (1), its characterized in that: four groups of cable cores (2) are arranged in the rubber sleeve (1), a ring assembly (3) is arranged on the inner wall of the rubber sleeve (1), a cross (4) is arranged between the four groups of cable cores (2), bases (6) are arranged on two sides of the top end and two sides of the bottom end of the cross (4), arc grooves (5) are formed in the outer sides of the four groups of bases (6), a support plate (7) is arranged at the bottom end of the inner wall of each arc groove (5), and telescopic rods (8) are arranged at the bottom ends of the support plates (7) close to the middle parts of the support plates;
ring subassembly (3) include arc pole (12) and arc pole (13) down, and go up arc pole (12) and be located the top of arc pole (13) down, go up arc pole (12) and all install spring (9) down between arc pole (13) both ends, go up arc pole (12) and all install silica gel pad (10) with the one end of arc pole (13) down, go up arc pole (12) and lean on the middle part with the both sides of arc pole (13) down and all seted up draw-in groove (11), and iron silk pole (14) are installed in the outside of draw-in groove (11).
2. The high-strength fracture-resistant crosslinked polyethylene high-low voltage power cable according to claim 1, characterized in that: the two ends of the upper arc rod (12) and the two ends of the lower arc rod (13) are in contact connection through two groups of springs I (9), and the upper arc rod (12) and the lower arc rod (13) are arranged in a centrosymmetric mode.
3. The high-strength fracture-resistant crosslinked polyethylene high-low voltage power cable according to claim 1, characterized in that: the maximum diameter of the upper arc rod (12) and the lower arc rod (13) is smaller than the diameter of one end of the rubber sleeve (1), and the outer sides of the upper arc rod (12) and the lower arc rod (13) are in contact connection with the inner wall of the rubber sleeve (1).
4. The high-strength fracture-resistant crosslinked polyethylene high-low voltage power cable according to claim 1, characterized in that: the length and the width of the cross (4) are both smaller than the diameter of one end of the rubber sleeve (1), and a screw nail penetrates through the center of the cross (4).
5. The high-strength fracture-resistant crosslinked polyethylene high-low voltage power cable according to claim 1, characterized in that: the diameters of the four groups of cable cores (2) are equal to the diameter of the arc groove (5), and the four groups of cable cores (2) are arranged in pairwise symmetry.
6. The high-strength fracture-resistant crosslinked polyethylene high-low voltage power cable according to claim 1, characterized in that: a spring II is arranged inside the telescopic rod (8), and the outer side of the support plate (7) is movably connected inside the arc groove (5) through the telescopic rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063076.7U CN215730959U (en) | 2021-08-30 | 2021-08-30 | High-strength anti-fracture crosslinked polyethylene high-low voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063076.7U CN215730959U (en) | 2021-08-30 | 2021-08-30 | High-strength anti-fracture crosslinked polyethylene high-low voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215730959U true CN215730959U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122063076.7U Active CN215730959U (en) | 2021-08-30 | 2021-08-30 | High-strength anti-fracture crosslinked polyethylene high-low voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215730959U (en) |
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2021
- 2021-08-30 CN CN202122063076.7U patent/CN215730959U/en active Active
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