CN110111938B - Direct-buried high-strength cable - Google Patents
Direct-buried high-strength cable Download PDFInfo
- Publication number
- CN110111938B CN110111938B CN201910429883.0A CN201910429883A CN110111938B CN 110111938 B CN110111938 B CN 110111938B CN 201910429883 A CN201910429883 A CN 201910429883A CN 110111938 B CN110111938 B CN 110111938B
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- China
- Prior art keywords
- cable
- arc
- partition plate
- middle partition
- protective layer
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- 238000005192 partition Methods 0.000 claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 14
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 235000015115 caffè latte Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a direct-buried high-strength cable which comprises an outer cable protection layer, wherein a cable cavity is formed in the outer cable protection layer, the bottom of the outer cable protection layer is provided with an opening, the top of the outer cable protection layer is integrally molded to form a middle partition plate, the bottom of the middle partition plate penetrates through the bottom opening of the outer cable protection layer and is pressed and positioned through two sides of the opening end, a reinforcing sheet is arranged in the middle partition plate, the bottom of the reinforcing sheet extends out of the lower end face of the middle partition plate and extends out of the outer cable protection layer, and the extending end of the reinforcing sheet is inserted into soil for positioning. The invention adopts a suspended supporting mode, so that when the top is pressed, the middle partition plate descends to drive all core wires to descend, and finally all the core wires are ejected out of the outer tegument of the cable, the middle partition plate is utilized to carry out anti-shearing protection, the middle partition plate is utilized to realize shearing avoidance, and the service life of the cable is prolonged.
Description
Technical Field
The invention relates to a cable, in particular to a direct-buried high-strength cable.
Background
The direct-buried cable and the communication cable are directly buried in soil, so the requirements on the compression resistance and the shearing resistance of the direct-buried cable and the communication cable are high. Because the related use range does not allow the interruption, if the interruption occurs, serious economic loss is caused, and various industries have influence. Therefore, cables laid in some important areas need to be protected layer by layer. However, the protection mode of the direct-buried latte is limited, the structure of the cable is single, large shearing force is required to be resisted, and the protection mode cannot be basically realized.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a direct-buried high-strength cable, which has very good compression resistance and shear resistance, can realize not only shear resistance but also good yielding and avoids shearing when being sheared.
The invention is realized by the following technical scheme: a direct-buried high-strength cable comprises an outer cable protection layer, wherein a cable cavity is formed inside the outer cable protection layer, the bottom of the outer cable protection layer is opened, a middle partition plate is integrally formed at the top of the outer cable protection layer in an injection molding mode, the bottom of the middle partition plate penetrates through the bottom opening of the outer cable protection layer and is pressed and positioned through two sides of the opening end, a reinforcing sheet is arranged in the middle partition plate, the bottom of the reinforcing sheet extends out of the lower end face of the middle partition plate and extends out of the outer cable protection layer, and the extending end of the reinforcing sheet is inserted into soil for positioning;
more than one arc cavity has been seted up respectively to the both sides of median septum, and the heart yearn assembly falls into more than one cable conductor and every cable conductor and all buckles in an arc cavity, and the cable conductor buries underground in the arc cavity along length direction, and the outside of every cable conductor all supports through more than one supporting part to compress tightly the cable conductor in the arc cavity through the supporting part, all set up a spacing portion between two adjacent supporting parts, the outside open end of the spacing arc cavity of spacing portion.
As the preferred technical scheme, more than one limiting parts are arranged at equal intervals along the length direction of the cable outer protective layer, the upper surface and the lower surface of each limiting part are bent and clamped into the clamping grooves on the two sides of the middle partition plate, and the limiting parts are bonded and fixed through glue after being clamped into the clamping grooves.
Preferably, the limiting parts are all made of elastic rubber sheets.
As preferred technical scheme, the supporting part sets up the bracing piece on cable outer protective layer both sides face for the arch, the one end and the cable outer protective layer integrated into one piece of bracing piece, and the other end of bracing piece forms an arc portion, and the relative cable conductor one side of arc portion has an arc location chamber, and the opposite side of cable conductor buckles respectively in arc location chamber, and arc portion buckles in the arc concave cavity of median septum, and the bottom of bracing piece is close to cable outer protective layer one side and all forms a reinforcing part.
According to the preferable technical scheme, the reinforcing sheet is made of a metal sheet, the bottom surface of each arc-shaped concave cavity is communicated with the metal sheet, and the cable core is buckled in the arc-shaped concave cavity and is in contact with one side surface of the metal sheet, so that heat on the cable core is transferred to the metal sheet.
As a preferred technical scheme, an included angle smaller than 90 degrees is formed between each supporting rod and the horizontal plane.
The invention has the beneficial effects that: the bottom of the outer protective layer of the cable is provided with an opening, the middle partition plate is arranged in the middle, and when the cable is sheared from the top, the middle partition plate is used as a shearing support and matched with the support rods inclined at two sides, so that the cable has very good compression resistance and shearing resistance;
secondly, when the cable is sheared, the cable core wire is separated from the supporting part and is finally ejected out of the cable external protective layer along with the middle partition plate, and the cable core wire is ejected out of the cable external protective layer by the middle partition plate to avoid shearing, so that the safety is improved;
and one end of the cable core wire is in contact with the metal reinforcing sheet, and the bottom of the metal reinforcing sheet is in contact with the soil, so that part of heat on the cable core wire can be transferred to the protective layer and then transferred to the soil through the protective layer to perform rapid heat dissipation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is an assembly view of a partial cable core and a support portion according to the present invention.
Detailed Description
As shown in fig. 1, the direct-buried high-strength cable comprises an outer cable protection layer 1, a cable cavity 31 is arranged inside the outer cable protection layer 1, the bottom of the outer cable protection layer 1 is open, a middle partition plate 4 is integrally formed at the top of the outer cable protection layer 1 by injection molding, the bottom of the middle partition plate 4 penetrates through the bottom opening of the outer cable protection layer 1 and is pressed and positioned by two sides of the open end, a reinforcing plate 5 is arranged in the middle partition plate 4, the bottom of the reinforcing plate 5 extends out of the lower end face of the middle partition plate and extends out of the outer cable protection layer 1, and the extending end of the reinforcing plate is inserted into soil for positioning;
as shown in fig. 2, more than one arc-shaped cavity 21 has been seted up respectively to the both sides of median septum 4, the heart yearn assembly divide into more than one cable conductor 6 and every cable conductor 6 all detains in an arc-shaped cavity 21, cable conductor 6 buries underground in arc-shaped cavity 21 along length direction, the outside of every cable conductor 6 all supports through more than one supporting part, and compress tightly cable conductor 6 in arc-shaped cavity 21 through the supporting part, all set up a spacing portion 3 between two adjacent supporting parts, the outside open end of the spacing arc-shaped cavity 21 of spacing portion 3.
In this embodiment, more than one spacing portion 3 sets up along the length direction equidistance of cable outer protective layer 1, the last lower surface of spacing portion 3 is bent and the card is gone into in the draw-in groove 22 of median septum 4 both sides, and it is fixed to bond through glue after the card is gone into, spacing portion 3's effect is the restriction cable core from outside landing, like this when the cable top receives the shearing, the median septum descends, the cable outer protective layer receives the pressure deformation, the cable core is finally under the drive of median septum, separate with the supporting part, and finally along with the outside that the median septum is ejecting to the cable outer protective layer, utilize the median septum to realize dodging to the cable core, because median septum perpendicular to horizontal plane, utilize the median septum to cut soil after pushing down like this, realize the continuation dodging.
In this embodiment, spacing portion 3 all adopts an elastic rubber sheet, and when the overdraft of well baffle was enough big, can make cable conductor and supporting part separation through spacing portion, realize shearing down and dodge.
As shown in fig. 3, the supporting portion is a supporting rod 8 protruding from two side surfaces of the cable outer protective layer, one end of the supporting rod 8 is integrally formed with the cable outer protective layer, the other end of the supporting rod 8 forms an arc-shaped portion 7, the arc-shaped portion 7 has an arc-shaped positioning cavity corresponding to one side of the cable core, the other side of the cable core 6 is respectively buckled in the arc-shaped positioning cavities, the arc-shaped part is buckled in the arc-shaped concave cavity 21 of the middle partition plate, the reinforcing parts 2 are formed at the bottom of the supporting rod 8 close to one side of the cable outer protective layer, the cable core wires are fixed by the arc-shaped parts, when the top is subjected to pressure shearing, the cable outer protective layer is firstly pressed, the pressure is resisted by the cable outer protective layer, then utilize supporting part and median septum to realize the auxiliary stay, resist pressure, when pressure is too big, the median septum can be ejecting finally, whole median septum is vertical cutting downwards, takes the cable conductor to avoid shearing.
In this embodiment, the reinforcing plate 5 is a metal sheet, the bottom surface of each arc-shaped cavity is communicated with the metal sheet, the cable core 6 is buckled in the arc-shaped cavity and is contacted with one side surface of the metal sheet, heat on the cable core is transferred to the metal sheet, the metal sheet is perpendicular to the horizontal plane, so that the metal sheet not only can play a role of pressure-resistant support, but also has good heat-conducting property, and the metal sheet is not large in usage amount of metal materials.
In this embodiment, the support rods 8 and the horizontal plane form an included angle of 60 degrees, and the included angle can increase the top supporting force of the support portion, so that when the support rods are pressed down, the support rods can also play a good role in supporting, and the compressive strength is increased.
The invention has the beneficial effects that: the bottom of the outer protective layer of the cable is provided with an opening, the middle partition plate is arranged in the middle, and when the cable is sheared from the top, the middle partition plate is used as a shearing support and matched with the support rods inclined at two sides, so that the cable has very good compression resistance and shearing resistance;
secondly, when the cable is sheared, the cable core wire is separated from the supporting part and is finally ejected out of the cable external protective layer along with the middle partition plate, and the cable core wire is ejected out of the cable external protective layer by the middle partition plate to avoid shearing, so that the safety is improved;
and one end of the cable core wire is in contact with the metal reinforcing sheet, and the bottom of the metal reinforcing sheet is in contact with the soil, so that part of heat on the cable core wire can be transferred to the protective layer and then transferred to the soil by the reinforcing sheet for rapid heat dissipation.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a direct-burried high strength cable which characterized in that: the cable outer protective layer is internally provided with a cable cavity, the bottom of the cable outer protective layer is opened, the top of the cable outer protective layer is integrally molded to form a middle partition plate, the bottom of the middle partition plate penetrates through the bottom opening of the cable outer protective layer and is pressed and positioned through two sides of the opening end, a reinforcing sheet is arranged in the middle partition plate, the bottom of the reinforcing sheet extends out of the lower end face of the middle partition plate and extends out of the cable outer protective layer, and the extending end of the reinforcing sheet is inserted into soil for positioning;
the two sides of the middle partition plate are respectively provided with more than one arc-shaped concave cavity, the core wire assembly is divided into more than one cable core wire, each cable core wire is buckled into one arc-shaped concave cavity, the cable core wires are embedded into the arc-shaped concave cavities along the length direction, the outside of each cable core wire is supported by more than one supporting part, the cable core wires are tightly pressed in the arc-shaped concave cavities through the supporting parts, a limiting part is arranged between every two adjacent supporting parts, and the limiting part limits the external opening end of the arc-shaped concave cavities;
more than one limiting parts are arranged at equal intervals along the length direction of the cable outer protective layer, the upper surface and the lower surface of each limiting part are bent and clamped into the clamping grooves on the two sides of the middle partition plate, and the limiting parts are bonded and fixed through glue after being clamped;
the limiting parts are all made of elastic rubber sheets;
the supporting part sets up the bracing piece on cable outer protective layer both sides face for the arch, the one end and the cable outer protective layer integrated into one piece of bracing piece, and the other end of bracing piece forms an arc portion, and the relative cable core one side of arc portion has an arc location chamber, and the opposite side of cable core is detained respectively in arc location chamber, and arc portion is detained in the arc concave cavity of median septum, and the bottom of bracing piece is close to cable outer protective layer one side and all forms a rib.
2. A direct-buried high-strength cable according to claim 1, wherein: the reinforcing sheet is made of a metal sheet, the bottom surface of each arc-shaped concave cavity is communicated with the metal sheet, and the cable core wire is buckled into the arc-shaped concave cavities and is in contact with one side surface of the metal sheet to transfer heat on the cable core wire to the metal sheet.
3. A direct-buried high-strength cable according to claim 1, wherein: an included angle smaller than 90 degrees is formed between the supporting rod and the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429883.0A CN110111938B (en) | 2019-05-22 | 2019-05-22 | Direct-buried high-strength cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429883.0A CN110111938B (en) | 2019-05-22 | 2019-05-22 | Direct-buried high-strength cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110111938A CN110111938A (en) | 2019-08-09 |
| CN110111938B true CN110111938B (en) | 2020-11-10 |
Family
ID=67491672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910429883.0A Active CN110111938B (en) | 2019-05-22 | 2019-05-22 | Direct-buried high-strength cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110111938B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111462948B (en) * | 2020-04-20 | 2021-10-26 | 人民电缆集团有限公司 | Buried compression-resistant cable |
| CN111489857B (en) * | 2020-04-20 | 2021-11-09 | 义乌市旻具五金工具有限公司 | Safe composite cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822953A (en) * | 1985-09-19 | 1989-04-18 | Minnesota Mining And Manufacturing Company | Fire-protected electrical cable connection |
| CN205194400U (en) * | 2015-11-28 | 2016-04-27 | 廊坊崔氏电缆材料有限公司 | Buried cable for airport flight assistant lamp light circuit |
| CN205722903U (en) * | 2016-04-22 | 2016-11-23 | 江苏东强股份有限公司 | A kind of measuring body cable |
| CN106448900A (en) * | 2016-12-02 | 2017-02-22 | 陈其 | Efficiently-radiating composite cable |
| CN206210454U (en) * | 2016-12-02 | 2017-05-31 | 陈一其 | High efficiency and heat radiation composite cable |
| CN106782804A (en) * | 2016-12-26 | 2017-05-31 | 国网山东省电力公司临沂供电公司 | Insulated conductor is pressed in a kind of anti-lightning strike type |
| CN108257721A (en) * | 2017-12-26 | 2018-07-06 | 铜陵三佳变压器科技股份有限公司 | A kind of anti-extrusion photovoltaic cable of photovoltaic transformer |
| CN108648869A (en) * | 2018-05-29 | 2018-10-12 | 蒋荣新 | Composite cable |
-
2019
- 2019-05-22 CN CN201910429883.0A patent/CN110111938B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4822953A (en) * | 1985-09-19 | 1989-04-18 | Minnesota Mining And Manufacturing Company | Fire-protected electrical cable connection |
| CN205194400U (en) * | 2015-11-28 | 2016-04-27 | 廊坊崔氏电缆材料有限公司 | Buried cable for airport flight assistant lamp light circuit |
| CN205722903U (en) * | 2016-04-22 | 2016-11-23 | 江苏东强股份有限公司 | A kind of measuring body cable |
| CN106448900A (en) * | 2016-12-02 | 2017-02-22 | 陈其 | Efficiently-radiating composite cable |
| CN206210454U (en) * | 2016-12-02 | 2017-05-31 | 陈一其 | High efficiency and heat radiation composite cable |
| CN106782804A (en) * | 2016-12-26 | 2017-05-31 | 国网山东省电力公司临沂供电公司 | Insulated conductor is pressed in a kind of anti-lightning strike type |
| CN108257721A (en) * | 2017-12-26 | 2018-07-06 | 铜陵三佳变压器科技股份有限公司 | A kind of anti-extrusion photovoltaic cable of photovoltaic transformer |
| CN108648869A (en) * | 2018-05-29 | 2018-10-12 | 蒋荣新 | Composite cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110111938A (en) | 2019-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201019 Address after: 252000 in the industrial park, Xuying Town, high tech Zone, Liaocheng City, Shandong Province Applicant after: Liaocheng Zhengsheng Cable Co.,Ltd. Address before: 315100 No. 8, Lane 20, East Huangsu Road, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Song Xingbin |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Directly buried high-strength cable Effective date of registration: 20230423 Granted publication date: 20201110 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2023980038766 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201110 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2023980038766 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |