CN113707371B - Cold-resistant oil-resistant high-tensile mobile cable - Google Patents
Cold-resistant oil-resistant high-tensile mobile cable Download PDFInfo
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- CN113707371B CN113707371B CN202110937576.0A CN202110937576A CN113707371B CN 113707371 B CN113707371 B CN 113707371B CN 202110937576 A CN202110937576 A CN 202110937576A CN 113707371 B CN113707371 B CN 113707371B
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- tensile
- resistant
- inclined plane
- cable
- tension
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- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- 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
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- 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
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- 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
- H01B7/2806—Protection against damage caused by corrosion
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- 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
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- Ropes Or Cables (AREA)
Abstract
The invention discloses a cold-resistant oil-resistant high-tensile mobile cable which comprises a cable core, and a wrapping layer, a shielding layer and an outer protective layer which sequentially wrap the outer side of the cable core from inside to outside. When the cable is pulled by external force, adjacent tension-resistant monomers are pulled to generate displacement, force can act on the tension-resistant rope, so that the sliding block of one tension-resistant monomer central cylinder can move towards one side of the inclined plane II, but the sliding block moves towards one side of the inclined plane II, the four guide blocks can synchronously move towards the outer side through the matching of the inclined plane II and the inclined plane I, the tension force is decomposed into the circumferential direction of the cable, meanwhile, the sliding block of the tension-resistant monomer central cylinder moves towards one side of the inclined plane II, and the tension-resistant rope can drive the sliding blocks of a plurality of tension-resistant monomer central cylinders far away from the inclined plane II to move together, so that each tension-resistant monomer in the length direction can disperse the tension force to the circumferential direction of the corresponding cable, and the tension resistance of the cable is improved through the structure.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cold-resistant oil-resistant high-tensile mobile cable.
Background
The cable is an indispensable product in various fields of production and life of people, along with the continuous development of industrial production technology, the automation of industrial production is continuously improved, the safety of the use of the cable is concerned more, particularly, the requirements of industrial production and detection in the energy field and flammable and explosive production occasions on the cable are continuously improved, china is wide in regions, and the cable meets different climatic environments and working environments and puts forward new requirements on the cable.
The cold-resistant oil resistance of current cable is not good to the pull resistance is poor, and at the in-service use in-process, because the copper wire of conductor is soft and has fine ductility, when receiving stronger pulling force, the copper wire atress extends, and the tapering is split even, and wire and cable breaks and then can cause harm to equipment and personnel, and wire and cable's change and maintenance have increased corresponding expense again simultaneously, cause very big inconvenience for life, production.
Disclosure of Invention
The invention aims to provide a cold-resistant oil-resistant high-tensile moving cable to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cold-resistant oil-resistant high-tensile mobile cable comprises a cable core, and a wrapping layer, a shielding layer and an outer protective layer which sequentially wrap the outer side of the cable core from inside to outside; the cable core comprises a central tensile piece and conductive pieces uniformly distributed on the outer side of the central tensile piece along the circumferential direction;
the central tensile part comprises tensile single bodies which are uniformly arranged along the length direction of the cable and tensile ropes which are connected with the adjacent tensile single bodies; wherein, tensile monomer includes:
the central cylinder is internally provided with a through hole which axially penetrates through the central cylinder, and the outer side wall of the central cylinder is uniformly provided with through grooves pointing to the axis of the central cylinder along the circumferential direction of the central cylinder;
the guide blocks are movably limited in the through grooves, the guide blocks can move towards the axis direction of the central cylinder along the through grooves, and one end, close to the axis of the central cylinder, of each guide block is provided with a first guide inclined plane; and
the sliding block is arranged in the through hole in a sliding mode along the axis direction of the central cylinder, the outer side of the sliding block is uniformly provided with a second guide inclined plane which is matched with the first guide inclined plane, the second guide inclined plane is connected with the first guide inclined plane in a sliding mode, and a limiting ring used for limiting the sliding block to move to one side away from the second guide inclined plane is arranged on the central cylinder on one side of the sliding block away from the second guide inclined plane;
the tensile monomers are distributed in a linear array;
two ends of each tensile rope are respectively and fixedly connected with the opposite surfaces of the sliding blocks of the two adjacent tensile monomers;
an accommodating groove for accommodating the conductive piece is formed between adjacent guide blocks on the outer side of the central cylinder;
the conductive piece comprises a conductive wire core and an insulating layer on the outer side of the conductive wire core.
Preferably, the insulating layer is made of cold-resistant modified PVC or cold-resistant modified NBR.
Preferably, the outer protective layer is made of polyfluorinated ethylene propylene.
Preferably, the tensile rope is formed by twisting nylon fiber bundles.
Preferably, the number of the through grooves is 4.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention is provided with the central tensile piece which comprises the tensile single bodies evenly arranged along the length direction of the cable and the tensile ropes connecting the adjacent tensile single bodies, so that the cable can be bent to a certain degree and is convenient to wind and transport,
(2) When the cable is pulled by external force, adjacent tension monomers are pulled to generate displacement, force can act on the tension ropes, the central barrel on the side, away from the second guide inclined plane, of the sliding block is provided with the limiting ring for limiting the sliding block to move towards the side, away from the second guide inclined plane, of the sliding block, so that the sliding block of the central barrel of one tension monomer can move towards the side of the second inclined plane, the sliding block moves towards the side of the second inclined plane, the four guide blocks synchronously move outwards through the cooperation of the second inclined plane and the first inclined plane, tension is decomposed to the circumferential direction of the cable, meanwhile, the sliding block of the central barrel of the tension monomer moves towards the side of the second inclined plane, the tension ropes can drive the sliding blocks of the central barrels of the tension monomers, away from the second guide inclined plane, of the tension monomers to move together, the tension is decomposed to the tension monomers in the length direction, and each tension monomer in the length direction can disperse the tension to the circumferential direction of the corresponding cable, and the tension performance of the cable is improved through the structure.
(3) When the cable core pulling device is subjected to external pressure, the pressure can act on the plurality of guide blocks of the pulling-resistant single body firstly, and the guide blocks cannot move downwards due to the limitation of the sliding blocks, so that when the cable core pulling device is subjected to the pressure, the plurality of guide blocks can play a supporting role, and the pressure is prevented from directly acting on the cable core.
Drawings
FIG. 1 is a schematic side sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention.
In the figure: 1. a cable core; 11. a tensile monomer; 111. a central barrel; 112. a through hole; 113. a through groove; 114. directional block; 115. a first guide inclined plane; 116. a slider; 117. a second guide inclined plane; 118. a limiting ring; 12. a tensile cord; 2. wrapping a covering layer; 3. a shielding layer; 4. an outer jacket; 5. a conductive member; 51. a conductive wire core; 52. an insulating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention is shown: a cold-resistant oil-resistant high-tensile mobile cable comprises a cable core 1, and a wrapping layer 2, a shielding layer 3 and an outer protective layer 4 which sequentially wrap the outer side of the cable core from inside to outside; the cable core 1 comprises a central tensile piece and conductive pieces 5 uniformly distributed on the outer side of the central tensile piece along the circumferential direction;
the central tensile part comprises tensile single bodies 11 uniformly arranged along the length direction of the cable and tensile ropes 12 connecting the adjacent tensile single bodies 11; wherein, tensile monomer 11 includes: the central cylinder 111 is internally provided with a through hole 112 which axially penetrates through, and the outer side wall of the central cylinder 111 is uniformly provided with 4 through grooves 113 pointing to the axis of the central cylinder along the circumferential direction; the 4 guide blocks 114 are movably limited in the through groove 113, the guide blocks 114 can move towards the axis direction of the central cylinder 111 along the through groove 113, and one end, close to the axis of the central cylinder 111, of each guide block 114 is provided with a first guide inclined surface 115; the sliding block 116 is arranged inside the through hole 112 in a sliding mode along the axial direction of the central cylinder 111, the outer side of the sliding block 116 is uniformly provided with a second guide inclined plane 117 which is matched with the first guide inclined plane 115, the second guide inclined plane 117 is connected with the first guide inclined plane 115 in a sliding mode, and the central cylinder 111 on one side, away from the second guide inclined plane 117, of the sliding block 116 is provided with a limiting ring 118 which is used for limiting the sliding block 116 to move towards the side, away from the second guide inclined plane 117, of the sliding block 116;
the tensile single bodies 11 are distributed in a linear array;
two ends of each tensile rope 12 are respectively and fixedly connected with the opposite surfaces of the sliding blocks 116 of the two adjacent tensile single bodies 11;
a receiving groove for receiving the conductive member 5 is formed between adjacent guide blocks 114 outside the central cylinder 111; the conductive member 5 includes a conductive core 51 and an insulating layer 52 outside the conductive core.
In this embodiment, the insulating layer 52 is made of cold-resistant modified PVC or cold-resistant modified NBR.
In this embodiment, the outer sheath 4 is made of fluorinated ethylene propylene.
In this embodiment, tensile strand 12 is formed by twisting nylon fiber bundles.
In this embodiment, the number of the through slots 113 is 4.
The working principle is as follows: when the cable pulling device is applied, the central tensile member 1 comprises the tensile single bodies 11 uniformly arranged along the length direction of the cable and the tensile ropes 12 connecting the adjacent tensile single bodies, so that the cable can be bent to a certain extent and is convenient to wind and transport, when the cable is pulled by an external force, the adjacent tensile single bodies 11 are pulled to be displaced, force can act on the tensile ropes 12, because the central cylinder 111 at the side of the sliding block 116 far from the second inclined guide surface 117 is provided with the limiting ring 118 for limiting the sliding block 116 to move towards the side far from the second inclined guide surface 117, namely, the sliding block 116 of the central cylinder 111 of one tensile single body 11 can move towards the second inclined surface 117 side due to tensile force, and when the sliding block 116 moves towards the second inclined surface 117 side, the four guide blocks 114 can synchronously move towards the outer side due to the matching of the second inclined surface 117 and the first inclined surface 115, the tensile force is decomposed to the circumferential direction of the cable, meanwhile, the sliding block 116 of the central cylinder 111 of the tensile single body 11 moves close to one side of the inclined plane two 117, the tensile rope 12 can drive the sliding blocks 116 of the central cylinders 111 of the tensile single bodies 11 far away from the guide inclined plane two 117 to move together, the tensile force is decomposed to the tensile single bodies 11 in the length direction, each tensile single body 11 in the length direction can disperse the tensile force to the circumferential direction of the corresponding cable, and through the structure, the tensile force is uniformly decomposed, so that the tensile property of the cable is greatly improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. A cold-resistant oil-resistant high-tensile mobile cable is characterized by comprising a cable core (1), and a wrapping layer (2), a shielding layer (3) and an outer protective layer (4) which sequentially wrap the outer side of the cable core from inside to outside; the cable core (1) comprises a central tensile piece and conductive pieces (5) which are uniformly distributed on the outer side of the central tensile piece along the circumferential direction;
the central tensile part comprises tensile single bodies (11) uniformly arranged along the length direction of the cable and connecting adjacent tensile single bodies
A tensile cord (12) of the body (11); wherein the tensile monomer (11) comprises:
the central cylinder (111) is internally provided with a through hole (112) which axially penetrates through, and through grooves (113) pointing to the axis of the central cylinder are uniformly formed in the outer side wall of the central cylinder (111) along the circumferential direction of the central cylinder;
the guide blocks (114) are movably limited in the through grooves (113), the guide blocks (114) can move towards the axis direction of the central cylinder (111) along the through grooves (113), and one end, close to the axis of the central cylinder (111), of each guide block (114) is provided with a first guide inclined surface (115) which inclines along the axial direction of the through groove (113); and
the sliding block (116) is arranged inside the through hole (112) in a sliding mode along the axial direction of the central cylinder (111), a second guide inclined plane (117) which is matched with the first guide inclined plane (115) is uniformly arranged on the outer side of the sliding block (116), the second guide inclined plane (117) is in sliding connection with the first guide inclined plane (115), and a limiting ring (118) used for limiting the sliding block (116) to move towards one side far away from the second guide inclined plane (117) is arranged on the central cylinder (111) on one side, far away from the second guide inclined plane (117), of the sliding block (116);
the tensile monomers (11) are distributed in a linear array;
two ends of each tensile rope (12) are respectively and fixedly connected with the opposite surfaces of the sliding blocks (116) of the two adjacent tensile single bodies (11);
a containing groove for containing the conductive piece (5) is formed between adjacent guide blocks (114) on the outer side of the central cylinder (111);
the conductive piece (5) comprises a conductive wire core (51) and an insulating layer (52) outside the conductive wire core.
2. The cold-resistant oil-resistant high-tensile mobile cable according to claim 1, characterized in that: the insulation
The layer (52) is made of cold-resistant modified PVC or cold-resistant modified NBR.
3. The cold-resistant oil-resistant high-tensile mobile cable according to claim 1, characterized in that: the outer protective layer (4) is made of fluorinated ethylene propylene.
4. The cold-resistant oil-resistant high-tensile mobile cable according to claim 1, characterized in that: the tensile rope (12) is formed by twisting nylon fiber bundles.
5. The cold-resistant oil-resistant high-tensile mobile cable according to claim 1, characterized in that: the number of the through grooves (113) is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937576.0A CN113707371B (en) | 2021-08-16 | 2021-08-16 | Cold-resistant oil-resistant high-tensile mobile cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937576.0A CN113707371B (en) | 2021-08-16 | 2021-08-16 | Cold-resistant oil-resistant high-tensile mobile cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113707371A CN113707371A (en) | 2021-11-26 |
| CN113707371B true CN113707371B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110937576.0A Active CN113707371B (en) | 2021-08-16 | 2021-08-16 | Cold-resistant oil-resistant high-tensile mobile cable |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1313237C (en) * | 1989-05-05 | 1993-01-26 | Robert R. Pawluk | Armoured electric cable with integral tensile members |
| CN206893327U (en) * | 2017-06-05 | 2018-01-16 | 安徽龙芯电力电线有限公司 | A kind of multicore General rubber sleeve cable |
| CN209674949U (en) * | 2019-05-08 | 2019-11-22 | 久盛电缆科技有限公司 | A kind of cable of strong shock resistance |
| CN211479751U (en) * | 2020-01-23 | 2020-09-11 | 扬州华宇电缆有限公司 | Rubber cable for military 5G communication device |
| CN112951498A (en) * | 2021-02-20 | 2021-06-11 | 黄友耐 | Tensile dragging polyvinyl chloride sheath electronic computer cable |
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2021
- 2021-08-16 CN CN202110937576.0A patent/CN113707371B/en active Active
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| CN113707371A (en) | 2021-11-26 |
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