CN218214693U - Flexible mineral insulation fireproof cable - Google Patents
Flexible mineral insulation fireproof cable Download PDFInfo
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- CN218214693U CN218214693U CN202222300349.XU CN202222300349U CN218214693U CN 218214693 U CN218214693 U CN 218214693U CN 202222300349 U CN202222300349 U CN 202222300349U CN 218214693 U CN218214693 U CN 218214693U
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- flexible mineral
- core structure
- fireproof cable
- protective sheath
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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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Abstract
The utility model provides a flexible mineral insulation fireproof cable, including outer protective sheath, be provided with the cable core structure in the outer protective sheath, and the equidistance has cup jointed a plurality of lantern rings, and is a plurality of on the outer wall of cable core structure the even welded fastening has a plurality of springs one on the outer wall of the lantern ring, and the one end that a plurality of springs one kept away from the lantern ring all is fixed with the briquetting, and the briquetting is kept away from the inner wall contact of one side of spring one and outer protective sheath, the cable core structure includes that the metal separates the oxygen layer, the metal separates being provided with a plurality of water proof insulating layers in the oxygen layer, and all pegging graft in a plurality of water proof insulating layers has the aluminium cover of preventing fires. The utility model provides a flexible mineral insulation fireproof cable, is through being provided with lantern ring, spring one, clamp plate etc. because clamp plate atress compression spring one when flexible mineral insulation fireproof cable received the extrusion, because the elastic force of spring one has weakened the pressure, the protection cable core structure does not receive the extrusion, has reached the effect of preventing pressing.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to flexible mineral insulation fireproof cable.
Background
Cables are typically made up of several wires or groups of wires. The cable includes a power cable, a control cable, a compensation cable, a shield cable, a high temperature cable, and the like. They are composed of single or multiple wire and insulating layer, and are used for connecting circuit and electric appliances. The wire and cable are in basic unit of measurement of length. All the electric wires and cables are manufactured by processing conductors, and adding insulation, shielding, cabling, sheath layers and the like layer by layer on the periphery of the conductors to manufacture electric wire and cable products. The more complex the product structure, the more levels are superimposed.
With the rapid development of power cable buried laying engineering, higher requirements are put forward for the manufacture of cables, and although the insulation and fire resistance of the cables are enhanced, the pressure resistance of the cables is neglected, so that the cables are easy to extrude and break when working underground, further the occurrence of electric leakage and other conditions is caused, and huge loss is possibly caused.
To address the problems in the above-described techniques; therefore, a flexible mineral insulation fireproof cable is provided.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present invention provide a flexible mineral insulated fireproof cable, which solves or alleviates the technical problems in the prior art, and at least provides a useful choice.
The utility model discloses technical scheme is so realized: including outer protective sheath, be provided with the cable core structure in the outer protective sheath, and the equidistance has cup jointed a plurality of lantern rings, and is a plurality of on the outer wall of cable core structure even welded fastening has a plurality of springs one on the outer wall of lantern ring, and the one end that the lantern ring was kept away from to a plurality of springs one all is fixed with the briquetting, and the briquetting is kept away from one side of spring one and the inner wall contact of outer protective sheath.
In some embodiments, the cable core structure includes a metal oxygen-insulating layer, a plurality of water-insulating layers are disposed in the metal oxygen-insulating layer, a plurality of fireproof aluminum sleeves are inserted into the water-insulating layers, mineral insulating layers are disposed on inner walls of the fireproof aluminum sleeves, and conductors are inserted into the mineral insulating layers.
In some embodiments, two springs II are welded and fixed between two adjacent pressing blocks, a plurality of pairs of fixing blocks I are evenly welded and fixed on two ends of the lantern rings, and the same rotating shaft I is welded and fixed between each pair of fixing blocks I.
In some embodiments, a second connecting rod is rotatably connected to the circumferential outer wall of the first rotating shafts, a through circular hole is formed in one end, far away from the first rotating shaft, of one side of each second connecting rod, and the same shaft column is inserted into the through hole of each second connecting rod.
In some embodiments, two second fixing blocks are welded and fixed in the middle of two ends of the pressing blocks, and a second rotating shaft is welded and fixed between the two second fixing blocks.
In some embodiments, a first connecting rod is rotatably connected to the outer circumferential wall of the second rotating shafts, a through hole is formed in one end, away from the second rotating shaft, of one side of each first connecting rod, a same shaft post is inserted into the through hole of each adjacent first connecting rod, and vertical plates are fixed to two sides of the shaft posts through bolts.
In some embodiments, a cavity is formed between the inner wall of the metal oxygen-isolating layer and the water-isolating insulating layer, and the cavity is filled with fireproof insulating powder.
The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:
1. the utility model provides a flexible mineral insulation fireproof cable, is through being provided with lantern ring, spring one, clamp plate etc. because clamp plate atress compression spring one, because the spring action of spring one has weakened pressure when flexible mineral insulation fireproof cable receives the extrusion, protects the cable core structure not receive the extrusion, has reached the effect of preventing pressing.
2. The utility model provides a flexible mineral insulation fireproof cable, through being provided with mineral substance insulating layer, fire prevention aluminium cover, water proof insulating layer etc. a plurality of protective layers reach insulating fireproof's effect through the material characteristic.
3. The utility model provides a flexible mineral insulation fireproof cable, through being provided with connecting rod one, the pivot, riser etc. connecting rod one and connecting rod two when fixed lantern ring and clamp plate, have realized the flexibility, have realized the flexible effect of cable.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a three-dimensional structure diagram of the cable core of the present invention;
FIG. 3 is a three-dimensional structure diagram of the connecting rod of the present invention;
fig. 4 is an assembly structure view of the compression device of the present invention.
Reference numerals:
1-outer protective sleeve, 2-first spring, 3-conductor, 4-second spring, 5-cavity, 6-pressing block, 7-lantern ring, 8-mineral insulating layer, 9-fireproof aluminum sleeve, 10-waterproof insulating layer, 11-metal oxygen isolation layer, 12-vertical plate, 13-first fixing block, 14-first rotating shaft, 15-second fixing block, 16-second rotating shaft, 17-first connecting rod, 18-shaft column and 19-second connecting rod.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-4, a flexible mineral insulation fireproof cable, including outer protective sheath 1, be provided with the cable core structure in the outer protective sheath 1, and the equidistance has cup jointed a plurality of lantern rings 7 on the outer wall of cable core structure, even welded fastening has a plurality of springs 2 on the outer wall of a plurality of lantern rings 7, and the equal welded fastening of one end that lantern ring 7 was kept away from to a plurality of springs 2 has briquetting 6, one side that spring 2 was kept away from to briquetting 6 contacts with the inner wall of outer protective sheath 1, briquetting 6 receives pressure, briquetting 6 is close to lantern ring 7, compression spring 2, thereby turn into elasticity potential energy with pressure after 2 compressions of spring and weaken pressure, thereby reach the effect of preventing pressing.
In this embodiment, the cable core structure includes that the metal separates oxygen layer 11, and the metal separates being provided with a plurality of water insulation insulating layers 10 in oxygen layer 11, and all pegs graft in a plurality of water insulation insulating layers 10 and have fire prevention aluminium cover 9, and the inner wall of a plurality of fire prevention aluminium covers 9 all is provided with mineral substance insulating layer 8, and all pegs graft in a plurality of mineral substance insulating layers 8 and have conductor 3, and multilayer protective layer protection conductor 3 realizes the purpose of fire prevention insulation.
In this embodiment, all welded fastening has two springs two 4 between two adjacent briquetting 6, even welded fastening has many pairs of fixed block 13 on the both ends of a plurality of lantern rings 7, and welded fastening has same rotation axis one 14 between every pair of fixed block 13, when briquetting 6 pressurized is close to the lantern ring 7, a plurality of briquetting 6 that same lantern ring 7 is connected can be close to each other, two 4 springs between the extrusion briquetting 6, thereby turn into elasticity potential energy with pressure after the compression of two springs 4 and weaken pressure, thereby realized the purpose of preventing pressing.
In this embodiment, the second connecting rods 19 are rotatably connected to the outer circumferential wall of the first rotating shafts 14, through holes are formed in one ends of the second connecting rods 19, which are far away from the first rotating shafts 14, and the same shaft column 18 is inserted into the through holes of the adjacent second connecting rods 19, so that the second connecting rods 19 can rotate around the first rotating shafts 14.
In this embodiment, two second fixing blocks 15 are welded and fixed to the middle portions of the two ends of the pressing blocks 6, a second rotating shaft 16 is welded and fixed between the two second fixing blocks 15, and the second rotating shafts 16 correspond to the first rotating shafts 14.
In this embodiment, the first connecting rods 17 are rotatably connected to the outer circumferential wall of the second rotating shafts 16, through holes are formed in one ends, far away from the second rotating shafts 16, of the first connecting rods 17, the same shaft posts 18 are inserted into the through holes of the adjacent first connecting rods 17, vertical plates 12 are fixed to two sides of the shaft posts 18 through bolts, and the first connecting rods 17 and the second connecting rods 19, close to each other, are fixedly connected through the two shaft posts 18 above and below the vertical plates 12 in a rotating mode.
Example 2:
a flexible mineral insulated fireproof cable, which is modified from the cable of example 1 as shown in figure 2,
in this embodiment, be provided with cavity 5 between 11 inner walls of metal oxygen barriers and the water insulating layer 10, and the intussuseption of cavity 5 is filled with fire-proof insulating powder, and fire-proof insulating powder mainly comprises epoxy powder, chlorinated paraffin and asbestos powder, has saved material cost greatly, has improved the fire-proof insulating effect of cable simultaneously.
The utility model discloses at the during operation, the workman buckles the cable according to the actual demand when burying the cable, distance shortens between the adjacent lantern ring 7 of inflection, make connecting rod 17 and connecting rod two 19 respectively around rotation axis one 14 and rotation axis two 16 to the inside rotation of cable, it removes to being close to metal oxygen barrier 11 direction to drive riser 12 through jack-post 18, distance increases between the adjacent lantern ring 7 of inflection, make connecting rod 17 and connecting rod two 19 respectively around rotation axis one 14 and rotation axis two 16 to the outside rotation of cable, it removes to being close to outer protective sheath 1 direction to drive riser 12 through jack-post 18, when the cable receives the extrusion at underground work, briquetting 6 that receives the extrusion position is close to lantern ring 7 extrusion spring one 2, be close to each other between a plurality of briquetting 6 simultaneously, extrusion spring two 4, the metal separates oxygen layer outside the cable core structure with oxygen isolation, when the outer structure is destroyed, water proof insulating layer 10 is isolated with water liquid, when taking place the naked light, fire prevention aluminium cover 9 does not spontaneous combustion separates the fire outside, protect the inner structure, the mineral substance 8 further protects conductor 3 and is not destroyed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a flexible mineral insulation fireproof cable, includes outer protective sheath (1), is provided with cable core structure, its characterized in that in outer protective sheath (1): be provided with the cable core structure in outer protective sheath (1), and the equidistance has cup jointed a plurality of lantern rings (7) on the outer wall of cable core structure, and is a plurality of even welded fastening has a plurality of springs (2) on the outer wall of lantern ring (7), and the one end that lantern ring (7) were kept away from in a plurality of springs (2) all is fixed with briquetting (6), and one side that spring (2) were kept away from in briquetting (6) contacts with the inner wall of outer protective sheath (1).
2. A flexible mineral insulated fireproof cable according to claim 1, wherein: the cable core structure comprises a metal oxygen isolation layer (11), a plurality of water-proof insulating layers (10) are arranged in the metal oxygen isolation layer (11), fireproof aluminum sleeves (9) are all inserted in the water-proof insulating layers (10), a plurality of mineral substance insulating layers (8) are all arranged on the inner wall of each fireproof aluminum sleeve (9), and conductors (3) are all inserted in the mineral substance insulating layers (8).
3. A flexible mineral insulated fireproof cable according to claim 1, wherein: two springs II (4) are welded and fixed between every two adjacent pressing blocks (6), a plurality of pairs of fixing blocks I (13) are uniformly welded and fixed at two ends of the lantern ring (7), and a same rotating shaft I (14) is welded and fixed between each pair of fixing blocks I (13).
4. A flexible mineral insulated fireproof cable according to claim 3, wherein: a plurality of rotating shaft I (14) is rotatably connected with a second connecting rod (19) on the outer wall of the circumference, one end of one side of the second connecting rods (19), which is far away from the first rotating shaft (14), is provided with a through round hole, and the through holes of the adjacent second connecting rods (19) are internally inserted with the same shaft column (18).
5. A flexible mineral insulated fireproof cable according to claim 1, wherein: two second fixing blocks (15) are fixedly welded in the middle of two ends of the pressing blocks (6), and a second rotating shaft (16) is fixedly welded between the two second fixing blocks (15).
6. A flexible mineral insulated fireproof cable according to claim 5, wherein: it is a plurality of rotating connection has connecting rod (17) on the circumference outer wall of rotation axis two (16), and the one end of keeping away from rotation axis two (16) in a plurality of connecting rod (17) one side is provided with the through hole, and has same jack-post (18), a plurality of in the through hole interpolation of adjacent connecting rod (17) the both sides of jack-post (18) all are fixed with riser (12) through the bolt.
7. A flexible mineral insulated fireproof cable according to claim 2, wherein: a cavity (5) is arranged between the inner wall of the metal oxygen isolation layer (11) and the water-proof insulating layer (10), and fireproof insulating powder is filled in the cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300349.XU CN218214693U (en) | 2022-08-31 | 2022-08-31 | Flexible mineral insulation fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300349.XU CN218214693U (en) | 2022-08-31 | 2022-08-31 | Flexible mineral insulation fireproof cable |
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| Publication Number | Publication Date |
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| CN218214693U true CN218214693U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222300349.XU Active CN218214693U (en) | 2022-08-31 | 2022-08-31 | Flexible mineral insulation fireproof cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410023A (en) * | 2023-11-09 | 2024-01-16 | 北京城岳科技有限公司 | Explosion-proof cable |
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2022
- 2022-08-31 CN CN202222300349.XU patent/CN218214693U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410023A (en) * | 2023-11-09 | 2024-01-16 | 北京城岳科技有限公司 | Explosion-proof cable |
| CN117410023B (en) * | 2023-11-09 | 2024-04-26 | 济南马世基智能环保科技有限公司 | Explosion-proof cable |
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