CN217113915U - Medium-voltage cross-linked fire-resistant cable - Google Patents
Medium-voltage cross-linked fire-resistant cable Download PDFInfo
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- CN217113915U CN217113915U CN202220733581.XU CN202220733581U CN217113915U CN 217113915 U CN217113915 U CN 217113915U CN 202220733581 U CN202220733581 U CN 202220733581U CN 217113915 U CN217113915 U CN 217113915U
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Abstract
The utility model discloses a fire-resistant type cable of middling pressure crosslinked, including the cable body to and install the interior protective sheath in the cable body outside, still include: the inner side of the inner protective sleeve is provided with four armor layers, the sizes of the armor layers are equal, the four armor layers are arranged at equal intervals, the inner protective sleeve is arranged on the inner side of the outer protective sleeve, the diameter of the inner protective sleeve is smaller than that of the outer protective sleeve, the inner sides of the armor layers are provided with cable bodies in a groove, and the sizes of the cable bodies are equal. This middling pressure crosslinked fire-resistant type cable mounting has insulating layer, waterproof layer and ventilative layer, utilizes the inboard laminating at the outer sheath to be provided with the insulating layer, can be fine carry out insulation protection to the cable body, then the inboard laminating at the insulating layer is provided with waterproof layer and ventilative layer, and convenience that not only can be fine is waterproof to the cable body and is avoided taking place the short circuit, and the convenience that can also be fine is to the heat dissipation of breathing freely of cable body.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a fire-resistant type cable of middling pressure crosslinked.
Background
The cable is an electric energy or signal transmission device, usually consists of several or several groups of conducting wires, and is mainly applied to the field of electric power, the existing medium-voltage crosslinking fire-resistant cable is one of the electric power fields, but the existing medium-voltage crosslinking fire-resistant cable has some disadvantages when in use;
(1) when the existing medium-voltage cross-linking fireproof cable is used, the temperature inside the cable can be increased due to the fact that the existing medium-voltage cross-linking fireproof cable does not have a good heat insulation function, but the existing medium-voltage cross-linking fireproof cable is not convenient to use due to the fact that the inside of the cable is easy to generate high temperature to cause a fire phenomenon;
(2) when the existing medium-voltage cross-linking fireproof cable is used, due to the fact that the interior of the cable does not have a good limiting function, a wiring harness in the cable can be misplaced when the cable is used, and the cable is inconvenient to maintain and detect in the later period and use;
therefore, the medium-voltage crosslinking fire-resistant cable can well solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-resistant type cable of middling pressure crosslinking, with the fire-resistant type cable of middling pressure crosslinking that has now on the existing market that solves above-mentioned background art and put forward when using, because there is not fine thermal-insulated ventilative function, when the cable uses, its inside temperature can increase, but there is not fine ventilative thermal-insulated function, lead to the inside high temperature that produces of cable easily and lead to the phenomenon of conflagration breaing out, the use of inconvenient cable and because the inside limit function that does not have of cable, the pencil that leads to the cable inside can produce the dislocation when using, inconvenient later stage is maintained the cable and is detected, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: a medium-voltage cross-linking fire-resistant cable comprises a cable body and an inner protective sleeve arranged on the outer side of the cable body;
further comprising: the inner side of the inner protective sleeve is provided with four armor layers, the four armor layers are equal in size, and the four armor layers are arranged at equal intervals;
the inner protective sleeve is arranged on the inner side of the outer sheath, and the diameter of the inner protective sleeve is smaller than that of the outer sheath;
the inner sides of the four armor layers are all provided with grooves and provided with cable bodies, and the sizes of the four cable bodies are equal.
Preferably, the inner sides of the armor layers are all arc-shaped, the inner sides of the four armor layers are all connected with elastic balls, and the inner parts of the elastic balls are connected through four plastic springs.
Through adopting above technical scheme, can be fine carry out elasticity through the bouncing ball to four armor and reset, the better use that makes things convenient for the cable body.
Preferably, four the top of armor all is the arc shape, and the outside of four armor all is connected with the packing rope to the outside of four packing ropes is all laminated and is connected with interior protective sheath.
Through adopting above technical scheme, can be fine carry on spacingly to the position of four armor through four packing ropes, the dislocation skew takes place for the position of better avoiding the armor, makes things convenient for the use of cable body more.
Preferably, the outer side of the inner protective sleeve is attached to the heat insulation layer, the diameter of the heat insulation layer is larger than that of the inner protective sleeve, and the outer side of the heat insulation layer is attached to the outer sheath.
Through adopting above technical scheme, can be fine carry out thermal-insulated heat preservation through the insulating layer to its inboard cable body, the better use that makes things convenient for the cable body.
Preferably, the inner part of the outer sheath is provided with an insulating layer in a groove fit connection mode, the diameter of the insulating layer is smaller than that of the outer sheath, and the inner side of the insulating layer corresponds to the cable body.
Through adopting above technical scheme, can be fine carry out insulation protection to the cable body, avoid the cable body to take place electrically conductive phenomenon.
Preferably, the inner side of the insulating layer is connected with a waterproof layer in an attaching mode, the inner side of the waterproof layer is connected with a breathable layer in an attaching mode, and the diameter of the breathable layer is smaller than that of the waterproof layer.
Through adopting above technical scheme, utilize the inboard at the insulating layer to be provided with waterproof layer and ventilative layer, the phenomenon of the infiltration takes place for the avoided cable body that not only can be fine, can also be fine convenience to the inside of cable body dispel the heat ventilative, the better use that makes things convenient for the cable body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the medium-voltage cross-linking fireproof cable is provided with the insulating layer, the waterproof layer and the breathable layer, the insulating layer is attached to the inner side of the outer sheath, so that the cable body can be well insulated and protected, the waterproof layer and the breathable layer are attached to the inner side of the insulating layer, the cable body can be well and conveniently prevented from being short-circuited, the cable body can be well and conveniently ventilated and cooled, the cable body is better convenient to use, and the fire is avoided;
(2) this middling pressure crosslinked fire-resistant type cable is provided with armor and packing rope, the inboard of protective sheath is provided with four armor of the same size including the utilization, then all install the cable body in the inside of four armor, the convenience that can be fine carries on spacingly to the position of cable body, can also avoid the cable body winding to link together when using, all be connected with interior protective sheath through the packing rope in the outside of four armor at last, the convenience that can be fine is spacing to the position of four armor, make things convenient for the use of cable body more.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the outer sheath of the present invention;
FIG. 3 is a schematic view of the main cross-sectional structure of the inner protective sheath and the cable body of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. an outer sheath; 2. a thermal insulation layer; 3. an inner protective sheath; 4. an armor layer; 5. a cable body; 6. filling a rope; 7. a resilient ball; 8. a plastic spring; 9. an insulating layer; 10. a waterproof layer; 11. and (4) a breathable layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a medium-voltage cross-linking fire-resistant cable comprises an outer sheath 1, a heat insulation layer 2, an inner protective sheath 3, an armor layer 4, a cable body 5, a filling rope 6, an elastic ball 7, a plastic spring 8, an insulation layer 9, a waterproof layer 10 and a breathable layer 11;
the cable comprises a cable body 5 and an inner protective sleeve 3 arranged outside the cable body 5;
further comprising: the inner side of the inner protective sleeve 3 is provided with four armor layers 4, the four armor layers 4 are equal in size, and the four armor layers 4 are arranged at equal intervals;
The inboard of four armor 4 all is the arc shape, and the inboard of four armor 4 all is connected with bouncing ball 7 to bouncing ball 7's inside is connected through four plastic spring 8, utilizes bouncing ball 7 to be connected with four armor 4 at last, and convenience that can be fine carries out elasticity to four armor 4 and resets, better facilitate the use.
The top of four armor 4 all is the arc shape, and the outside of four armor 4 all is connected with packing rope 6 to the outside of four packing rope 6 is all laminated and is connected with interior protective sheath 3, then all is connected to interior protective sheath 3 through four packing rope 6 in the outside of four armor 4, and convenience that can be fine carries on spacingly to the position of armor 4, avoids the phenomenon that the skew dislocation takes place for the position of armor 4, and the better convenient later stage detects the maintenance to cable body 5.
The outside laminating insulating layer 2 of interior protective sheath 3, and the diameter that is greater than interior protective sheath 3 of the diameter of insulating layer 2 to the outside laminating of insulating layer 2 is connected with oversheath 1, as shown in figure 1, 2, 5, utilizes oversheath 1 to be connected with interior protective sheath 3 through insulating layer 2, and the convenience that can be fine carries out thermal-insulated heat preservation to the cable body 5 of 3 inboards of interior protective sheath.
The inside fluting laminating of oversheath 1 is connected with insulating layer 9, and the diameter of insulating layer 9 is less than the diameter of oversheath 1, and the inboard correspondence of insulating layer 9 has cable body 5, the inboard laminating of insulating layer 9 is connected with waterproof layer 10, and the inboard laminating of waterproof layer 10 is connected with ventilative layer 11, and the diameter of ventilative layer 11 is less than the diameter of waterproof layer 10, the inboard laminating at oversheath 1 is connected with insulating layer 9 afterwards, convenience that can be fine carries out insulation protection to cable body 5, then inboard laminating at insulating layer 9 is connected with waterproof layer 10 and ventilative layer 11, convenience that not only can be fine carries out prevention of seepage water to cable body 5, the convenience that can also be fine carries out ventilative heat dissipation to cable body 5, avoid cable body 5 to produce high temperature when using and lead to the phenomenon of conflagration appearing.
The working principle is as follows: when using this middling pressure crosslinked fire-resistant type cable, at first, utilize including the inside equidistant four armor 4 that are provided with of protective sheath 3, then all fluting in the inside of four armor 4 installs cable body 5, convenience that can be fine is spacing to cable body 5's position, can also avoid cable body 5 winding to link together, then all be connected to interior protective sheath 3 through four filling rope 6 in the outside of four armor 4, convenience that can be fine is spacing to armor 4's position, avoid armor 4's position to take place the phenomenon of skew dislocation, better convenient later stage detects the maintenance to cable body 5, utilize bounce ball 7 to be connected with four armor 4 at last, convenience that can be fine carries out the elasticity to four armor 4 and resets.
Utilize oversheath 1 to be connected with interior protective sheath 3 through insulating layer 2, the convenience that can be fine carries out thermal-insulated heat preservation to 3 inboard cable bodies 5 of interior protective sheath, the inboard laminating at oversheath 1 is connected with insulating layer 9 afterwards, then the inboard laminating at insulating layer 9 is connected with waterproof layer 10 and ventilative layer 11, not only can be fine the convenience carry out prevention of seepage water to cable bodies 5, can also be fine the convenience ventilate the heat dissipation to cable bodies 5, avoid cable bodies 5 to produce high temperature when using and lead to the phenomenon of conflagration appearing.
Those not described in detail in this specification are within the skill of the art.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A medium-voltage cross-linked fire-resistant cable: comprises a cable body (5) and an inner protective sleeve (3) arranged on the outer side of the cable body (5);
it is characterized by also comprising:
the inner side of the inner protective sleeve (3) is provided with four armor layers (4), the four armor layers (4) are equal in size, and the four armor layers (4) are arranged at equal intervals;
the inner protective sleeve (3) is arranged on the inner side of the outer sheath (1), and the diameter of the inner protective sleeve (3) is smaller than that of the outer sheath (1);
the inner sides of the four armor layers (4) are all provided with grooves and provided with cable bodies (5), and the sizes of the four cable bodies (5) are equal.
2. A medium-voltage cross-linked fire-resistant cable according to claim 1, characterized in that: the inner sides of the four armor layers (4) are all arc-shaped, the inner sides of the four armor layers (4) are all connected with elastic balls (7), and the inner parts of the elastic balls (7) are connected through four plastic springs (8).
3. A medium-voltage cross-linked fire-resistant cable according to claim 2, characterized in that: the four armor layers (4) are all in an arc shape, the outer sides of the four armor layers (4) are connected with filling ropes (6), and the outer sides of the four filling ropes (6) are attached to inner protective sleeves (3).
4. A medium-voltage cross-linked fire-resistant cable according to claim 1, characterized in that: the outside laminating insulating layer (2) of interior protective sheath (3), and the diameter that is greater than interior protective sheath (3) of insulating layer (2) to the outside laminating of insulating layer (2) is connected with oversheath (1).
5. The medium-voltage cross-linked flame-resistant cable according to claim 4, wherein: the cable is characterized in that an insulating layer (9) is connected to the inner groove of the outer sheath (1) in a fit mode, the diameter of the insulating layer (9) is smaller than that of the outer sheath (1), and the inner side of the insulating layer (9) corresponds to the cable body (5).
6. The medium-voltage cross-linked flame-resistant cable according to claim 5, wherein: the waterproof layer (10) is attached to the inner side of the insulating layer (9), the breathable layer (11) is attached to the inner side of the waterproof layer (10), and the diameter of the breathable layer (11) is smaller than that of the waterproof layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220733581.XU CN217113915U (en) | 2022-03-31 | 2022-03-31 | Medium-voltage cross-linked fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220733581.XU CN217113915U (en) | 2022-03-31 | 2022-03-31 | Medium-voltage cross-linked fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217113915U true CN217113915U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220733581.XU Active CN217113915U (en) | 2022-03-31 | 2022-03-31 | Medium-voltage cross-linked fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217113915U (en) |
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2022
- 2022-03-31 CN CN202220733581.XU patent/CN217113915U/en active Active
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