CN110164612B - Anti-shearing multilayer cable - Google Patents
Anti-shearing multilayer cable Download PDFInfo
- Publication number
- CN110164612B CN110164612B CN201910494147.3A CN201910494147A CN110164612B CN 110164612 B CN110164612 B CN 110164612B CN 201910494147 A CN201910494147 A CN 201910494147A CN 110164612 B CN110164612 B CN 110164612B
- Authority
- CN
- China
- Prior art keywords
- arc
- shaped piece
- cable
- shaped
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
-
- 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
Abstract
The invention discloses a shear-resistant multilayer cable which comprises more than one first arc-shaped sheet and more than one second arc-shaped sheet, wherein the more than one second arc-shaped sheet is arranged in a circle in a surrounding manner, an intermediate pipe is arranged in the middle of the second arc-shaped sheet, the more than one first arc-shaped sheet is connected with the intermediate pipe through more than one first connecting rod arranged along the length direction, and the more than one second arc-shaped sheet is connected with the intermediate pipe through more than one second connecting rod arranged along the length direction. The cable core wire has very high anti-shearing capacity, can realize multi-layer anti-shearing, has higher extrusion shearing force and better protection performance, can well avoid shearing pressure, can be suspended inside, has very high anti-seismic performance, can be applied to various occasions without being damaged by external shearing force, and has longer service life.
Description
Technical Field
The invention relates to a cable, in particular to a shear-resistant multilayer cable.
Background
The cable is the most important infrastructure in communication electric power field, and because the length that the cable was laid, the occasion of use is many, so the security problem of cable need promote, and the structure of cable is mostly more ordinary, and it has included outside protective layer and inside heart yearn, in order to increase anti-shear, compressive capacity, outside protective layer need make the armor protective layer, but the armor protective layer only can be used for general protection, in case pressure is too big, the armor protective layer is damaged, directly receives the inside heart yearn of pressurized, so the heart yearn does not have the structure of dodging. And the core wire sets up in the protective layer, and when external force acted on the protective layer, the protective layer warp, can directly extrude or cut on inside core wire. The core wire is in direct partial contact with the inner wall of the outer tegument, so that the core wire has poor cushioning pressure resistance.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an anti-shearing multilayer cable which has a multilayer anti-shearing and extrusion structure, the larger the extrusion force is, the better the protection performance is, and after the maximum bearing is realized, the inner core wire can be discharged from the bottom to the outside, so that the front shearing is effectively avoided, and the core wire is in a suspension buffer state in a normal state, so that the anti-shearing multilayer cable has very good damping avoiding capability, and can be applied to more complex environments.
The invention is realized by the following technical scheme: the utility model provides a prevent cutting multilayer cable, including more than one first arc piece and more than one second arc piece, more than one second arc piece encircles into the round setting, an intermediate pipe is installed to its centre, more than one first arc piece is through the more than one first connecting rod that sets up along length direction connection intermediate pipe, more than one second arc piece is through the more than one second connecting rod that sets up along length direction connection intermediate pipe, more than one first arc piece encircles and is the annular setting around the outside of second arc piece, and first arc piece covers the clearance chamber that forms between two adjacent second arc pieces, first arc piece and the partial contact of second arc piece, be provided with sealed strengthening rib on its partial contact surface, the cable conductor sets up in the inside heart yearn chamber of intermediate pipe.
As the preferred technical scheme, an independent protection cavity is formed between the adjacent first connecting rod and the adjacent second connecting rod, an opening is formed in one side of the bottom of the middle pipe, the whole middle pipe is made of elastic materials, and the cable core wires are extruded and discharged from the opening of the middle pipe to enter the independent protection cavity in the bottom.
As a preferred technical scheme, the first connecting rods respectively penetrate through holes formed in the middle pipe and extend into the core wire cavity, the extending ends of the first connecting rods are respectively provided with a limiting convex part, the first connecting rods are respectively sleeved with a spring, one end of the spring is in contact with the limiting convex part, the other end of the spring is in contact with the inner wall surface of the core wire cavity, and the spring is a compression spring and compresses the first arc-shaped piece towards the second arc-shaped piece.
As the preferred technical scheme, a positioning cavity is formed in the middle of the more than one limiting convex part, and the cable core is arranged in the positioning cavity and supported in a floating mode.
As a preferred technical scheme, the sealing reinforcing rib comprises a reinforcing rib line in the middle and a silica gel sealing layer wrapping the outside of the reinforcing rib line, and the reinforcing rib line is made of rubber or flexible metal wires.
Preferably, the first arc-shaped piece and the second arc-shaped piece are both made of elastic rubber materials or made of elastic metal sheet materials.
As the preferred technical scheme, more than one group of jacks are formed in the second arc-shaped piece and the middle pipe, and two sides of the second connecting rod are respectively inserted into the corresponding jacks and fixed by glue.
The invention has the beneficial effects that: when the elastic suspension support is normally used, the middle inner core wire is elastically suspended and supported, so that the elastic suspension support has very buffering capacity and can effectively resist impact, shear and pressure; and when the top receives shearing, pressure for first arc piece pushes down relative second arc piece, and finally makes outside first arc piece be located the medial surface of each second arc piece, utilizes the two sides of second arc piece to bear pressure, and first arc piece pushes down gradually under the pressure of second arc piece, and finally extrudes the intermediate tube, and then extrudes the cable conductor in the intermediate tube and dodges, prevents direct pressurized shearing.
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 a schematic view of the structure of the present invention after shearing.
Detailed Description
As shown in fig. 1, the anti-shearing multilayer cable comprises more than one first arc-shaped sheet 1 and more than one second arc-shaped sheet 5, wherein the more than one second arc-shaped sheets 5 are arranged in a circle, a middle pipe 8 is arranged in the middle, more than one first arc-shaped piece 1 is connected with the middle pipe 8 through more than one first connecting rod 31 arranged along the length direction, more than one second arc-shaped piece 5 is connected with the middle pipe 8 through more than one second connecting rod 12 arranged along the length direction, more than one first arc-shaped piece 1 is arranged around the outside of the second arc-shaped piece 5 in an annular shape, the first arc-shaped sheet 1 covers a clearance cavity formed between two adjacent second arc-shaped sheets 5, the first arc-shaped sheet 1 is partially contacted with the second arc-shaped sheets 5, part of the contact surface is provided with a sealing reinforcing rib, and the cable core 11 is arranged in the core cavity inside the middle tube 8.
In this embodiment, an independent protection cavity 7 is formed between the adjacent first and second connecting rods, an opening 9 is formed at one side of the bottom of the middle tube 8, the whole middle tube 8 is made of an elastic material, the cable core 11 is extruded and discharged from the opening 9 of the middle tube to enter the independent protection cavity 7 at the bottom, and after the cable core enters the independent protection cavity, all structures at the top are used as support for shearing, so that when the cable core is located at the bottommost position, all protection structures at the outer layer of the whole cable are used as the safety protection of the cable core, and the compression and shearing resistance is exerted to the maximum.
In this embodiment, the first connecting rod 31 passes through the through hole formed in the middle tube 8 and extends into the core wire cavity 6, the extending end of the first connecting rod is provided with a limiting convex portion 13, the first connecting rod 31 is sleeved with a spring 4, one end of the spring 4 contacts with the limiting convex portion 13, the other end of the spring contacts with the inner wall surface of the core wire cavity 6, the spring 4 is a compression spring, the spring compresses the first arc-shaped piece 1 towards the second arc-shaped piece 5, a positioning cavity is formed in the middle of more than one limiting convex portion 13, and the cable core wire 11 is placed in the positioning cavity for suspension support. The cable core is in under this kind of state, can have very centre suspension holding power, and no matter which side is compressed, all can realize the buffering, avoids the inside interior heart yearn of arc piece direct extrusion.
In this embodiment, the sealing reinforcing rib comprises a reinforcing rib line 2 in the middle and a silica gel sealing layer 3 wrapped outside the reinforcing rib line 2, and the reinforcing rib line is made of rubber or flexible metal wires. Under normal conditions, the sealing reinforcing rib is used as waterproof sealing, the sealing reinforcing rib needs to be fixedly bonded with the second arc-shaped sheets, the convex surfaces of the sealing reinforcing rib are buckled in the arc-shaped grooves 14 on the inner side surfaces of the first arc-shaped sheets, therefore, when the second arc-shaped sheets are positioned outside, each sealing reinforcing rib line can be fixedly bonded with the second arc-shaped sheets all the time, as shown in fig. 2, after the first arc-shaped sheets cannot bear extrusion, the sealing reinforcing rib lines can be positioned at the bottoms of the two second arc-shaped sheets, at the moment, the sealing reinforcing rib lines continue to be pressed, so that cable core lines inside the middle pipe are pressed, finally, the cable core lines are ejected out from the opening of the middle pipe by the first connecting rod to be avoided from the bottom, and at the moment, the first arc. And the outside sealed strengthening rib of second arc piece is as resistance to compression shearing resistance, and supplementary increase bulk strength.
The first arc-shaped piece 1 and the second arc-shaped piece 5 are made of elastic rubber materials or elastic metal sheet materials, if the elastic rubber is used in general occasions, the elastic metal sheet can be used if the elastic rubber is used in special important occasions.
Wherein, all seted up more than a set of jack on second arc piece 5 and the intermediate pipe 8, the both sides of second connecting rod insert respectively in the jack that corresponds and beat glue and fix.
The invention has the beneficial effects that: when the elastic suspension support is normally used, the middle inner core wire is elastically suspended and supported, so that the elastic suspension support has very buffering capacity and can effectively resist impact, shear and pressure; and when the top receives shearing, pressure for first arc piece pushes down relative second arc piece, and finally makes outside first arc piece be located the medial surface of each second arc piece, utilizes the two sides of second arc piece to bear pressure, and first arc piece pushes down gradually under the pressure of second arc piece, and finally extrudes the intermediate tube, and then extrudes the cable conductor in the intermediate tube and dodges, prevents direct pressurized shearing.
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 (5)
1. The utility model provides a prevent cutting multilayer cable which characterized in that: the cable core wire winding device comprises more than one first arc-shaped piece and more than one second arc-shaped piece, wherein the more than one second arc-shaped piece is arranged in a circle in a surrounding mode, an intermediate pipe is arranged in the middle of the second arc-shaped piece, the more than one first arc-shaped piece is connected with the intermediate pipe through more than one first connecting rod arranged along the length direction, the more than one second arc-shaped piece is connected with the intermediate pipe through more than one second connecting rod arranged along the length direction, the more than one first arc-shaped piece is arranged in a ring mode in a surrounding mode around the outer portion of the second arc-shaped piece, the first arc-shaped piece covers a gap cavity formed between every two adjacent second arc-shaped pieces, the first arc-shaped piece is partially contacted with the second arc-shaped pieces, sealing reinforcing ribs are arranged on partial contact surfaces of the first arc-shaped pieces;
an independent protection cavity is formed between each two adjacent first connecting rods and each adjacent second connecting rod, an opening is formed in one side of the bottom of the middle pipe, the whole middle pipe is made of elastic materials, and cable cores are extruded and discharged from the opening of the middle pipe to enter the independent protection cavity at the bottom;
the first connecting rods respectively penetrate through the through holes formed in the middle pipe and extend into the core wire cavity, the extending ends of the first connecting rods are respectively provided with a limiting convex part, the first connecting rods are sleeved with springs, one ends of the springs are in contact with the limiting convex parts, the other ends of the springs are in contact with the inner wall surface of the core wire cavity, and the springs are compression springs and compress the first arc-shaped pieces towards the second arc-shaped pieces.
2. The shear resistant multilayer cable of claim 1, wherein: a positioning cavity is formed in the middle of the more than one limiting convex part, and the cable core is arranged in the positioning cavity and supported in a suspension mode.
3. The shear resistant multilayer cable of claim 1, wherein: the sealing reinforcing rib comprises a reinforcing rib line in the middle and a silica gel sealing layer wrapped outside the reinforcing rib line, and the reinforcing rib line is made of rubber or flexible metal wires.
4. The shear resistant multilayer cable of claim 1, wherein: the first arc-shaped piece and the second arc-shaped piece are both made of elastic rubber materials or made of elastic metal sheet materials.
5. The shear resistant multilayer cable of claim 1, wherein: more than one group of jacks are formed in the second arc-shaped piece and the middle pipe, and two sides of the second connecting rod are inserted into the corresponding jacks respectively and are fixed by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494147.3A CN110164612B (en) | 2019-06-06 | 2019-06-06 | Anti-shearing multilayer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494147.3A CN110164612B (en) | 2019-06-06 | 2019-06-06 | Anti-shearing multilayer cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110164612A CN110164612A (en) | 2019-08-23 |
| CN110164612B true CN110164612B (en) | 2020-06-16 |
Family
ID=67628134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910494147.3A Active CN110164612B (en) | 2019-06-06 | 2019-06-06 | Anti-shearing multilayer cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110164612B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767362B (en) * | 2019-11-01 | 2021-07-23 | 双登电缆股份有限公司 | Composite cable |
| CN111462948B (en) * | 2020-04-20 | 2021-10-26 | 人民电缆集团有限公司 | Buried compression-resistant cable |
| CN112614613B (en) * | 2020-12-10 | 2022-06-17 | 东风线缆集团股份有限公司 | Anti-shearing self-restoring pressure-resistant cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204596480U (en) * | 2015-03-23 | 2015-08-26 | 林清其 | A kind of anti-shearing cable |
| CN205810428U (en) * | 2016-05-23 | 2016-12-14 | 钟海林 | The anti-shearing cable of high intensity |
| CN108538479A (en) * | 2018-05-29 | 2018-09-14 | 俞天舜 | Resistance to compression composite cable |
| CN108735369A (en) * | 2018-05-29 | 2018-11-02 | 蒋荣新 | A kind of safety cable |
| CN108806868A (en) * | 2018-06-15 | 2018-11-13 | 吴革洪 | Composite cable |
| CN109215863A (en) * | 2018-09-07 | 2019-01-15 | 天津山旗线缆有限公司 | A kind of cable that can prevent electrostatic |
-
2019
- 2019-06-06 CN CN201910494147.3A patent/CN110164612B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204596480U (en) * | 2015-03-23 | 2015-08-26 | 林清其 | A kind of anti-shearing cable |
| CN205810428U (en) * | 2016-05-23 | 2016-12-14 | 钟海林 | The anti-shearing cable of high intensity |
| CN108538479A (en) * | 2018-05-29 | 2018-09-14 | 俞天舜 | Resistance to compression composite cable |
| CN108735369A (en) * | 2018-05-29 | 2018-11-02 | 蒋荣新 | A kind of safety cable |
| CN108806868A (en) * | 2018-06-15 | 2018-11-13 | 吴革洪 | Composite cable |
| CN109215863A (en) * | 2018-09-07 | 2019-01-15 | 天津山旗线缆有限公司 | A kind of cable that can prevent electrostatic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110164612A (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110164612B (en) | Anti-shearing multilayer cable | |
| CN108538472B (en) | High-elasticity composite cable | |
| CN110310772B (en) | Fireproof and compression-resistant cable | |
| CN211879115U (en) | Pressure-resistant and deformation-resistant cable | |
| CN211181709U (en) | Mining resistance to compression cable | |
| CN109148020A (en) | power transmission line | |
| CN110706853B (en) | Self-protection cable | |
| CN110232996A (en) | Composite double layer cable | |
| CN216794511U (en) | Cable protection pipe with good compression resistance | |
| CN214043157U (en) | High-performance environment-friendly bamboo carbon fiber energy-saving rubber jacketed flexible cable | |
| CN111508652B (en) | Armored safety cable | |
| CN110136880B (en) | Composite cable | |
| CN211007096U (en) | Impact-resistant PVC (polyvinyl chloride) profile | |
| CN211427909U (en) | Polyvinyl chloride power cable | |
| CN219476371U (en) | Composite moisture-proof cable | |
| CN214671927U (en) | Cable of extrusion damage is prevented in tensile | |
| CN212750426U (en) | Embedded cross bone type high strength data cable | |
| CN217306152U (en) | Resistance to compression cable | |
| CN218771048U (en) | Compression-resistant bending-resistant cable protection pipe | |
| CN114334267B (en) | Cable capable of preventing axial pressurization | |
| CN212968932U (en) | Rubber hose for protecting wires and cables | |
| CN215868731U (en) | Anti-aging wire cable | |
| CN214755327U (en) | Intelligent coal-winning machine cable protector | |
| CN214123539U (en) | Novel polyphenyl thioether extrusion-resistant cable | |
| CN110580979B (en) | Cable capable of protecting wire core |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200521 Address after: 200120 3rd floor, No.55 Lane 1365, Xinfeng Road, Xinchang Town, Pudong New Area, Shanghai Applicant after: Shanghai chenmao wire and cable Co., Ltd Address before: Room 502, Building 26, Lotus Block 101 Lotus Road, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: Lu Wenjie |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |