CN111477394B - Composite cable - Google Patents
Composite cable Download PDFInfo
- Publication number
- CN111477394B CN111477394B CN202010332588.6A CN202010332588A CN111477394B CN 111477394 B CN111477394 B CN 111477394B CN 202010332588 A CN202010332588 A CN 202010332588A CN 111477394 B CN111477394 B CN 111477394B
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- China
- Prior art keywords
- cable
- rotating ring
- connecting portion
- shell
- water
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Classifications
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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
- H01B7/185—Sheaths comprising internal cavities or channels
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a composite cable, which comprises an outer cable protective layer, wherein more than one middle partition part is arranged in the outer cable protective layer, a cable core wire penetrates through the middle of the middle partition part, rotating ring structures are respectively arranged on the cable core wire, the two sides of the middle partition part, which are close to the two sides of the middle partition part, of the cable core wire, one end of each rotating ring structure is fixedly provided with a first connecting part, the other end of each rotating ring structure, which corresponds to the first connecting part, is provided with a second connecting part, the first connecting parts on the two rotating ring structures are fixedly provided with a protective rod, the second connecting parts on the two rotating ring structures are fixedly provided with counterweight parts, the mass of the counterweight parts is greater than that of the protective rods, the counterweight parts are ensured to be always positioned at the bottommost part of the cable under the action of gravity, and the protective rods are always positioned at the topmost part of the cable. The cable can be effectively applied to the moving occasions where the cable is used, and the top of the cable can bear shearing and extrusion no matter how the cable moves, so that the consumption of metal materials is reduced, and the cost is saved.
Description
Technical Field
The invention relates to a cable, in particular to a composite cable.
Background
The cable is used in many occasions, there is the cable that uses in some activity occasions, for example the cable conductor moves along with the motion of equipment, in order to guarantee the anti-shear and the extrusion ability of cable, the outer protective layer of general cable all can set up the armor, and the armor is as the name suggests just to set up reinforced structure in the outer protective layer, and reinforced structure is just generally to increase metal material in the outer protective layer, be used for gaining in strength, consequently, metal material has been covered with in whole outer protective layer, and reinforced structure of cable need not to be covered with whole circuit outer protective layer, we know, the cable conductor always has one side up when using, one side is down, the position down can not receive the shearing, because ground is the horizontally, consequently only need the cable upper end to possess anti-shear and extrusion ability this moment, so the design of material is very unreasonable.
Disclosure of Invention
The invention aims to provide a composite cable, which can always ensure that the upper end surface of the cable has better anti-shearing and extrusion capabilities, reasonably utilizes metal materials, saves cost and can increase the strength of the cable.
The invention is realized by the following technical scheme: the utility model provides a composite cable, including the cable outer protective layer, be provided with more than one mesophragma portion in the cable outer protective layer, run through in the middle of the mesophragma portion and set up a cable conductor, it installs a rotating ring structure respectively to be close to mesophragma portion both sides on the cable conductor, the fixed first connecting portion that sets up of one end of rotating ring structure, the rotating ring structure other end that corresponds first connecting portion is provided with the second connecting portion, an equal fixed mounting fender rod on the first connecting portion on two rotating ring structures, an equal fixed mounting counter weight portion on the second connecting portion on two rotating ring structures, counter weight portion quality is greater than the fender rod quality, and guarantee that counter weight portion is located the bottommost of cable all the time under the action of gravity, the fender rod is located the topmost of cable all the time.
As a preferred technical scheme, a metal thin rod is embedded in the guard rod.
Preferably, the counterweight part comprises a shell, a closed storage cavity is arranged in the shell, water is fully stored in the storage cavity, and more than one water spraying pipe is arranged on the shell.
As the preferred technical scheme, the water outlet ends of more than one water spray pipes are arranged right opposite to the cable core wire, the water outlet ends of the water spray pipes are sealed by sealing plugs, and the water inlet ends of the water spray pipes are communicated with the storage cavity.
As a preferable technical scheme, the shell is made of flexible rubber materials, the interior of the shell is filled with water, the whole shell is in an elastic expansion state, and the water spray pipes are all hard metal pipes.
As the preferred technical scheme, the rotating ring structure comprises a hard fixing ring fixedly installed outside the cable core wire, a first ball groove is formed in the outer wall surface of the fixing ring, more than one ball is installed in the first ball groove in a rolling mode, a rotating ring is installed outside the fixing ring in a rotating mode, a second ball groove is formed in the inner wall surface of the rotating ring, and the ball is partially buckled in the second ball groove.
As a preferred technical scheme, the first connecting portion and the second connecting portion are both made of hard metal materials, and more than one hollow-out cavity is arranged in the cable outer protective layer. .
Preferably, more than one water spray pipes are respectively arranged at two sides of the counterweight part, and the water outlet ends of the water spray pipes face to two side surfaces of the cable core wire.
The invention has the beneficial effects that: the invention reduces the usage amount of metal materials as much as possible, can always ensure that the upper end surface of the cable has very good compression resistance and shear resistance, can remove flame in time when spontaneous combustion occurs or flame exists outside, prevents the flame from spreading, increases the use safety of the cable, and is particularly suitable for being used in complex environments.
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 cross-sectional view of the present invention;
fig. 3 is a partial enlarged view of the invention at a in fig. 2.
Detailed Description
As shown in fig. 1 and fig. 2, a composite cable comprises a cable outer protective layer 1, more than one middle partition 5 is arranged in the cable outer protective layer 1, more than one independent installation cavity 3 is formed between the middle partitions, a cable core 11 is arranged in the middle of the middle partition 5 in a penetrating manner, a rotating ring structure 7 is respectively arranged on the cable core 11 near two sides of the middle partition, a first connecting part 4 is fixedly arranged at one end of the rotating ring structure 7, the other end of the rotating ring structure corresponding to the first connecting part 4 is provided with a second connecting part 6, the first connecting parts 4 on the two rotating ring structures are both fixedly provided with a protective rod 2, the second connecting parts 6 on the two rotating ring structures are both fixedly provided with a counterweight part, the mass of the counterweight part is larger than that of the protective rod 2, and guarantee that counter weight portion is located the bottommost of cable all the time under the action of gravity, and protection rod 2 is located the topmost of cable all the time.
In this embodiment, the inside embedding of protection rod 2 is provided with a metal slender rod 21, and this cable only uses a metal slender rod 21, and whole cable outer protective layer need not to be covered with to metal slender rod 21, reduces the metal quantity, and reduce cost increases the compliance of cable outer protective layer.
Wherein, counter weight portion includes a shell 8, is provided with a confined storage chamber 81 in the shell 8, stores up full water in the storage chamber 81, is provided with more than one spray pipe 12 on the shell 8, and the delivery port end of more than one spray pipe 12 is just facing to cable core 11 setting, and the delivery port end of spray pipe 12 all is sealed through the sealing plug, and the delivery port end of spray pipe 12 communicates with each other with storage chamber 81, and under the ordinary pressure state, water pressure can not push out the sealing plug in the spray pipe, and the sealing plug is in encapsulated situation all the time.
In this embodiment, the housing 8 is made of a flexible rubber material, the inside of the housing 8 is filled with water, the entire housing 8 is in an elastic expansion state, the spray pipes 12 are all made of hard metal pipes, and the housing 8 is in the elastic expansion state, so that water inside the spray pipes 12 can be sprayed out after being conducted.
As shown in fig. 3, the rotating ring structure includes a hard fixing ring 42 fixedly installed outside the cable core, the outer wall surface of the fixing ring 42 is provided with a first ball groove, more than one ball 41 is installed in the first ball groove in a rolling manner, the outside of the fixing ring 42 is installed with a rotating ring 4 in a rotating manner, the inner wall surface of the rotating ring 4 is provided with a second ball groove, and the ball 41 is partially buckled in the second ball groove.
In this embodiment, the first connecting portion 4 and the second connecting portion 6 are made of a hard metal material, more than one hollow-out cavity 22 is provided in the cable outer protection layer 1, the compressive flexibility of the cable outer protection layer 1 is increased by providing the hollow-out cavity 22, and the supporting strength is increased by using the metal connecting portions.
In this embodiment, more than one water spraying pipes 12 are respectively arranged at two sides of the counterweight part, the water outlet ends of the water spraying pipes 12 face to two side surfaces of the cable core 11, when flame exists inside or outside the cable, the flame heats the shell, so that the shell is heated to expand, the internal pressure is increased, further the sealing plugs on the water spraying pipes are flushed out, and at the moment, the originally expanded counterweight part sprays out the internal water source, thereby achieving the purpose of extinguishing fire, preventing the spread of fire and increasing the safety; the counterweight has three functions, the first function is: the protection rod is always positioned at the bottommost part of the cable under the action of gravity, so that the protection rod can be ensured to be positioned at the topmost part of the cable no matter how the cable moves, and the protection rod is utilized to resist shearing; the second function is that: the water is used as a configuration piece, so that the aim of extinguishing fire can be fulfilled when a fire disaster occurs, and the fireproof performance is improved; the third function is: when the water filled in the shell is used daily, the metal water spraying pipe can be used for absorbing heat generated by the core wire, and the heat dissipation capacity of the cable in long-term use is improved.
The invention has the beneficial effects that: the invention reduces the usage amount of metal materials as much as possible, and can always ensure that the upper end surface of the cable has very good compression resistance and shear resistance;
and secondly, when spontaneous combustion occurs or flame exists outside, the flame can be removed in time, the flame is prevented from spreading, the use safety of the cable is improved, and the cable is particularly suitable for being used in a complex environment.
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 (7)
1. A composite cable, characterized by: including the cable outer protective layer, be provided with more than one well septum portion in the cable outer protective layer, run through in the middle of the well septum portion and set up a cable conductor, be close to well septum portion both sides on the cable conductor and install a rotating ring structure respectively, the fixed first connecting portion that sets up of one end of rotating ring structure, the rotating ring structure other end that corresponds first connecting portion is provided with the second connecting portion, an equal fixed mounting fender rod on the structural first connecting portion of two rotating rings, the inside embedding of fender rod sets up a metal thin rod, an equal fixed mounting counter weight portion on the second connecting portion on two rotating ring structures, and counter weight portion quality is greater than the fender rod quality to guarantee that counter weight portion lies in the bottommost of cable all the time under the action of gravity, the fender rod lies in the topmost of cable all the time.
2. A composite cable according to claim 1, wherein: the counterweight part comprises a shell, a closed storage cavity is arranged in the shell, water is fully stored in the storage cavity, and more than one water spray pipe is arranged on the shell.
3. A composite cable according to claim 2, wherein: the water outlet end of more than one water spray pipe is arranged right opposite to the cable core wire, the water outlet ends of the water spray pipes are sealed by sealing plugs, and the water inlet ends of the water spray pipes are communicated with the storage cavity.
4. A composite cable according to claim 2, wherein: the shell is made of flexible rubber materials, water is filled in the shell, the whole shell is in an elastic expansion state, and the water spray pipes are all hard metal pipes.
5. A composite cable according to claim 1, wherein: the rotating ring structure comprises a hard fixing ring fixedly installed outside a cable core wire, a first ball groove is formed in the outer wall surface of the fixing ring, more than one ball is installed in the first ball groove in a rolling mode, a rotating ring is installed outside the fixing ring in a rotating mode, a second ball groove is formed in the inner wall surface of the rotating ring, and the ball is partially buckled in the second ball groove.
6. A composite cable according to claim 1, wherein: the first connecting portion and the second connecting portion are made of hard metal materials, and more than one hollow-out cavity is formed in the cable outer protective layer.
7. A composite cable according to claim 2, wherein: more than one water spray pipes are respectively arranged at two sides of the counterweight part, and the water outlet ends of the water spray pipes face to two side surfaces of the cable core wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332588.6A CN111477394B (en) | 2020-04-24 | 2020-04-24 | Composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332588.6A CN111477394B (en) | 2020-04-24 | 2020-04-24 | Composite cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111477394A CN111477394A (en) | 2020-07-31 |
| CN111477394B true CN111477394B (en) | 2021-12-21 |
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ID=71761742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332588.6A Active CN111477394B (en) | 2020-04-24 | 2020-04-24 | Composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111477394B (en) |
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| CN111477394A (en) | 2020-07-31 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211203 Address after: 710000 No. 88, Jinghua Road, Gaoling District, Xi'an City, Shaanxi Province Applicant after: SHAANXI YONGGUANG ELECTRIC POWER CABLE MANUFACTURING Co.,Ltd. Address before: No. 11-56, Wuliang village, Liushi street, Dongyang City, Jinhua City, Zhejiang Province 322104 Applicant before: Jiang Lianlian |
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