CN213752069U - Tensile anti-breaking cable - Google Patents
Tensile anti-breaking cable Download PDFInfo
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- CN213752069U CN213752069U CN202120079170.9U CN202120079170U CN213752069U CN 213752069 U CN213752069 U CN 213752069U CN 202120079170 U CN202120079170 U CN 202120079170U CN 213752069 U CN213752069 U CN 213752069U
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Abstract
The utility model discloses a tensile anti-breaking cable, which comprises a low-smoke flame-retardant sheath layer, wherein the outer side of the low-smoke flame-retardant sheath layer is sequentially provided with a halogen-free filler strip layer and a rubber cable sheath layer, and the inner side of the low-smoke flame-retardant sheath layer is sequentially provided with a mica insulating layer, an anti-corrosion outer sheath layer and a wire core sheath layer; a cavity formed by the wire core sheath layer is internally provided with a copper conductive wire core, and inorganic fiber fillers are filled outside the copper conductive wire core and positioned in the cavity of the wire core sheath layer; a cable breakage-proof strip is arranged between the first rubber cable sheath layer and the halogen-free filler strip layer and is fixed on the inner surface of the first rubber cable sheath layer; a cable fixing device is arranged on the outer surface of the first rubber cable sheath layer, and a first fixing bolt and a second fixing bolt are arranged on the cable fixing device. The utility model discloses can prevent that the cable from breaking, prolong the life of cable self, shorten the required time of cable installation, improve installer's work efficiency, be suitable for different working conditions.
Description
Technical Field
The utility model belongs to a hydraulic and hydroelectric engineering technical field, especially an inner structure of cable.
Background
A cable is a rope-like cable made up of several twisted conductors, each of which is insulated from the other and is often twisted around a center, the entire outer surface of which is covered with a highly insulating covering. The device is erected in the air or installed underground or underwater for telecommunication or power transmission. The insulated wire is formed by arranging one or more mutually insulated conductive wire cores in a sealed sheath. The outer part of the cable can be provided with a protective covering layer for transmitting, distributing electric energy or transmitting electric signals, and the difference between the cable and the common electric wire is mainly that the cable is large in size and complex in structure, and the cable can be divided into a power cable, a communication cable, a control cable and the like according to the application. Compared with an overhead line, the cable has the advantages of small insulating distance between lines, small occupied space, no influence of pollution of the surrounding environment, high power transmission reliability and small interference to personal safety and the surrounding environment.
There is certain drawback in current cable equipment when using, traditional cable is because only be equipped with individual layer rubber protective sheath, make the tensile property of cable self relatively poor, the cable breaks easily when outside pulling force reaches certain numerical value, certain potential safety hazard has, and traditional cable does not have the function of preventing breaking, the life of cable has been reduced, produce the fracture because of outside atress is too big easily, cable itself does not have fixing device, user's work burden has been increased, the required time of cable installation has been prolonged, certain adverse effect has been brought, for this, need to propose a tensile and prevent disconnected cable urgently, overcome the problem that traditional cable exists in the in-service use.
Disclosure of Invention
In order to solve the problem, the utility model aims at providing a disconnected cable is prevented in tensile can prevent that the cable from breaking, prolongs the life of cable self, shortens the required time of cable installation, improves installer's work efficiency, is suitable for different working conditions, brings better use prospect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tensile anti-breaking cable, which comprises a low-smoke flame-retardant sheath layer,
the outer side of the low-smoke flame-retardant sheath layer is sequentially provided with a halogen-free filler strip layer and a first rubber cable sheath layer;
the inner side of the low-smoke flame-retardant sheath layer is sequentially provided with a mica insulating layer, an anti-corrosion outer sheath layer and a wire core sheath layer;
a cavity formed by the wire core sheath layer is internally provided with a copper conductive wire core, and inorganic fiber fillers are filled outside the copper conductive wire core and positioned in the cavity of the wire core sheath layer;
a cable breakage-proof strip is arranged between the first rubber cable sheath layer and the halogen-free filler strip layer, the cable breakage-proof strip is fixed on the inner surface of the first rubber cable sheath layer, and the cable breakage-proof strip extends along the length direction of the cable;
a cable fixing device is arranged on the outer surface of the first rubber cable sheath layer, a first fixing bolt and a second fixing bolt are arranged on the cable fixing device, and the first fixing bolt and the second fixing bolt are respectively located on two sides of the cable.
Further, the first rubber cable sheath layer is fixedly connected with the halogen-free filler strip layer.
Furthermore, the cable breakage-proof strip has many, and many cable breakage-proof strips are at a rubber cable sheath layer internal surface along circumference interval arrangement.
Further, the low-smoke flame-retardant sheath layer is fixedly connected with the mica insulating layer.
Further, a second rubber cable sheath layer serving as an interlayer is arranged in the first rubber cable sheath layer.
Furthermore, the cable fixing device is a plate-shaped component and is welded with the outer surface of the first rubber cable sheath layer.
Further, the number of the copper conductive wire cores is three.
It should be pointed out that, the utility model provides a form a whole between each constitution structural layer of electric wire and cable, so fixed connection here indicates that can not take place relative free slip between the structure or the structural layer of participating in the connection, after two kinds of materials (layer) fixed connection, two kinds of material layers are a whole, thereby increase the fastness, there are a lot as to fixed connection's method, for example adopt external force to make two kinds of materials hug closely together or adopt the third kind of material to link two kinds of materials simultaneously, the concrete performance is modes such as welding, crimping, riveting, bonding, or hot melt connection.
Compared with the prior art, the utility model discloses a tensile is prevented disconnected cable and is possessed following advantage:
(1) the rubber cable sheath layer II is arranged inside the rubber cable sheath layer I, so that the thickness of the rubber cable sheath layer I can be increased, the rubber cable sheath layer I can bear more tensile force, the service life of the cable is prolonged, and the tensile force borne by the cable is twice of that of the traditional cable;
(2) by arranging the plurality of cable breakage-proof strips, when the first rubber cable sheath layer cracks, the surface of the first rubber cable sheath layer can be fixed, the cable is prevented from being broken, a certain safety effect is achieved, better product experience is brought to a user, and the maintenance frequency of the copper conductive wire core is reduced;
(3) cable fixing device can carry out fixed mounting to the cable main part through fixing bolt and No. two fixing bolt, required time when having shortened staff's installation cable has improved staff's work efficiency for the installation of cable is fixed more convenient, and whole device is simple, convenient operation, and the tensile is better for traditional mode with preventing disconnected effect.
Drawings
FIG. 1 is a schematic view of a tensile break-resistant cable structure;
fig. 2 is a schematic structural diagram of a cable breakage-proof strip and a second rubber cable sheath layer in a first rubber cable sheath layer of a tensile breakage-proof cable.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings and specific embodiments, but it should not be understood that the scope of the present invention is limited to the following embodiments, and various modifications, substitutions and changes made according to the ordinary technical knowledge and conventional means in the art without departing from the technical spirit of the present invention are included in the scope of the present invention.
As shown in fig. 1 and fig. 2, the tensile break-proof cable in this embodiment sequentially includes, from inside to outside, a copper conductive core 1, a core sheath layer 7, an anticorrosion outer sheath 6, a mica insulation layer 5, a low-smoke flame-retardant sheath layer 4, a halogen-free filler strip layer 3, and a rubber cable sheath layer 2, where each layer of structure in this embodiment is described by its functionality or material, and the protection is the positional relationship of the cable relative to the copper conductive core 1.
In this embodiment, the core sheath layer 7, the anticorrosion outer sheath 6, the mica insulation layer 5, the low-smoke flame-retardant sheath layer 4, the halogen-free filler strip layer 3, and the first rubber cable sheath layer 2 may be formed by mutually nesting circular tubular structures, winding the circular tubular structures on the surface of another layer of structure in a band-shaped manner, or filling the circular tubular structures between the two layers of structures in a filler manner to form an intermediate layer. For example, the mica insulation layer 5 outside the cable is tightly attached to the outer surface of the anti-corrosion outer sheath 6 in a strip winding mode, the halogen-free filler strip layer 3 is formed between the first rubber cable sheath layer 2 and the low-smoke flame-retardant sheath layer 4 in a filling mode, and the low-smoke flame-retardant sheath layer 4 is installed in the first rubber cable sheath layer 2 in a nested mode.
Wherein, the surface of low smoke flame retardant sheath 4 is equipped with no halogen filler strip layer 3, and the surface of no halogen filler strip layer 3 is equipped with rubber cable sheath layer 2 No. one, the inside of low smoke flame retardant sheath layer 4 is equipped with anticorrosive oversheath layer 6, and the surface of anticorrosive oversheath layer 6 is equipped with mica insulating layer 5, the inside of anticorrosive oversheath layer 6 is equipped with copper conductor core 1, and the internal surface of anticorrosive oversheath layer 6 is equipped with sinle silk restrictive coating 7, the surface of copper conductor core 1 is equipped with inorganic fiber filler 8, the surface of rubber cable sheath layer 2 is equipped with cable fixing device 10, cable fixing device 10 is a platelike structure, a rubber cable sheath layer 2 is fixed on cable fixing device 10 through welding or through the buckle. The first fixing bolt 9 and the cable fixing device 10 are connected into a whole in a threaded manner, a second fixing bolt 11 is arranged on one side of the first fixing bolt 9, as shown in fig. 2, a second rubber cable sheath layer 14 serving as an interlayer is arranged inside the first rubber cable sheath layer 2, a first cable breaking prevention strip 12 and a second cable breaking prevention strip 13 are connected to the inner surface of the first rubber cable sheath layer 2 (only the first cable breaking prevention strip 12 and the second cable breaking prevention strip 13 of a partial length and the second rubber cable sheath layer 14 of a partial length are drawn in fig. 2, actually, the first cable breaking prevention strip 12 and the second cable breaking prevention strip 13 are as long as the first rubber cable sheath layer 2, and in fig. 2, the first rubber cable sheath layer 2 is split into an upper section and a lower section to highlight the connection effect of the first cable breaking prevention strip 12 and the second cable breaking prevention strip 13 when the first rubber cable sheath layer 2 is broken). The first rubber cable sheath layer 2 is fixedly connected with the halogen-free filler strip layer 3. The first cable breaking-proof strip 12 and the second cable breaking-proof strip 13 are fixedly connected with the first rubber cable sheath 2. The low-smoke flame-retardant sheath layer 4 is fixedly connected with the mica insulating layer 5. The copper conductive wire core 1 is fixedly connected with the wire core sheath layer 7 through inorganic fiber filler 8. The number of the copper conductive wire cores 1 is three.
The first cable breaking-preventing strip 12 and the second cable breaking-preventing strip 13 can be iron sheets with high strength and good flexibility conditions, and can also be a high-strength carbon fiber material. The wire core sheath layer 7 can be an insulating plastic pipe or other insulating materials, and is mainly used for protecting the copper conductive wire core 1 and the inorganic fiber filler 8 inside. The anti-corrosion outer sheath layer 6 mainly plays a role in protection as long as the anti-corrosion performance is achieved.
Wherein, fixing bolt 9 and No. two fixing bolt 11's effect has two, and on the one hand, when fixing rubber cable restrictive coating 2 through the buckle form, two fixing bolt fix rubber cable restrictive coating 2, buckle on cable fixing device 10 together with whole cable for one number, on the other hand, utilize two fixing bolt to fix cable fixing device 10 and cable together on the screw hole on wall or other object surfaces.
When the anti-breaking tensile cable in the embodiment is used, the three copper conductive wire cores 1 can transmit electric energy, the electric conductivity of copper is good, the copper is used as the electric wire cores, the cable has better electric conductivity, the rubber cable sheath layer 2 is made of rubber, the rubber has an insulating effect, the rubber cable sheath layer 2 can insulate and protect the electric energy transmitted by the copper conductive wire cores 1 and prevent electric power leakage, the halogen-free filling strip layer 3 can protect the rubber cable sheath layer 2 from flame, the combustion speed of the rubber cable sheath layer 2 is reduced, the anti-breaking tensile cable has a certain fireproof effect, the low-smoke flame-retardant sheath layer 4 can protect the copper conductive wire cores 1 and prevent the copper conductive wire cores 1 from being ignited, and the mica insulation layer 5 has very high insulating and heat-insulating properties, the chemical stability is good, the cable has strong acid, strong alkali and pressure resistance, the safety performance of the cable can be effectively improved, the service life of the cable is prolonged, the corrosion resistance of the cable can be improved by the anticorrosive outer sheath layer 6, the cable main body is prevented from being corroded by strong acid, the wire core sheath layer 7 can play a role in protecting the copper conductive wire core 1 and preventing the copper conductive wire core 1 from being broken, the second rubber cable sheath layer 14 is arranged inside the first rubber cable sheath layer 2 and can increase the thickness of the first rubber cable sheath layer 2, so that the first rubber cable sheath layer 2 can bear more tensile force and prolong the service life of the cable, the tensile force borne by the cable is twice of that of the traditional cable, the first cable breaking-proof strip 12 and the second cable breaking-proof strip 13 are arranged, when the first rubber cable sheath layer 2 is cracked, can fix its surface, prevent that cracked condition from appearing in the cable, certain safety effect has, bring better product experience for the user, the maintenance number of times to copper conductor core has been reduced, cable fixing device 10 can carry out fixed mounting to the cable main part through fixing bolt 9 and No. two fixing bolt 11, required time when having shortened the staff and installing the cable, staff's work efficiency has been improved, make the installation of cable fixed more convenient, and is comparatively practical.
The tensile anti-breaking cable in the embodiment can increase the tensile resistance of the cable, bear more pulling force, prevent the cable from breaking through the second cable anti-breaking strip 13, the second rubber cable sheath layer 14 and the cable fixing device 10, prolong the service life of the cable, shorten the time required by cable installation, improve the working efficiency of installation personnel, is suitable for different working conditions and brings better use prospect.
Claims (7)
1. The utility model provides a tensile prevents disconnected cable which characterized in that: comprises a low-smoke flame-retardant sheath layer (4),
the outer side of the low-smoke flame-retardant sheath layer (4) is sequentially provided with a halogen-free filler strip layer (3) and a first rubber cable sheath layer (2);
the inner side of the low-smoke flame-retardant sheath layer (4) is sequentially provided with a mica insulating layer (5), an anti-corrosion outer sheath layer (6) and a wire core sheath layer (7);
a copper conductive wire core (1) is arranged in a cavity formed by the wire core sheath layer (7), and inorganic fiber fillers (8) are filled outside the copper conductive wire core (1) and in the cavity of the wire core sheath layer (7);
a cable breakage-proof strip is arranged between the first rubber cable sheath layer (2) and the halogen-free filler strip layer (3), the cable breakage-proof strip is fixed on the inner surface of the first rubber cable sheath layer (2), and the cable breakage-proof strip extends along the length direction of the cable;
a cable fixing device (10) is arranged on the outer surface of the first rubber cable sheath layer (2), a first fixing bolt (9) and a second fixing bolt (11) are arranged on the cable fixing device (10), and the first fixing bolt (9) and the second fixing bolt (11) are respectively located on two sides of the cable.
2. The tension-resistant and breakage-resistant cable according to claim 1, wherein: the first rubber cable sheath layer (2) is fixedly connected with the halogen-free filler strip layer (3).
3. The tension-resistant and breakage-resistant cable according to claim 1, wherein: the cable breakage-proof strip has many, and many cable breakage-proof strips are at a rubber cable restrictive coating (2) internal surface along circumference interval arrangement.
4. The tension-resistant and breakage-resistant cable according to claim 1, wherein: the low-smoke flame-retardant sheath layer (4) is fixedly connected with the mica insulating layer (5).
5. The tension-resistant and breakage-resistant cable according to claim 1, wherein: a second rubber cable sheath layer (14) serving as an interlayer is arranged in the first rubber cable sheath layer (2).
6. The tension-resistant and breakage-resistant cable according to claim 1, wherein: the cable fixing device (10) is a plate-shaped component and is welded with the outer surface of the first rubber cable sheath layer (2).
7. The tension-resistant and breakage-resistant cable according to claim 1, wherein: the number of the copper conductive wire cores (1) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120079170.9U CN213752069U (en) | 2021-01-11 | 2021-01-11 | Tensile anti-breaking cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120079170.9U CN213752069U (en) | 2021-01-11 | 2021-01-11 | Tensile anti-breaking cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752069U true CN213752069U (en) | 2021-07-20 |
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ID=76838409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120079170.9U Active CN213752069U (en) | 2021-01-11 | 2021-01-11 | Tensile anti-breaking cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752069U (en) |
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2021
- 2021-01-11 CN CN202120079170.9U patent/CN213752069U/en active Active
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