CN213635452U - Distortion-resistant cold-resistant flame-retardant power cable - Google Patents
Distortion-resistant cold-resistant flame-retardant power cable Download PDFInfo
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- CN213635452U CN213635452U CN202022888867.9U CN202022888867U CN213635452U CN 213635452 U CN213635452 U CN 213635452U CN 202022888867 U CN202022888867 U CN 202022888867U CN 213635452 U CN213635452 U CN 213635452U
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Abstract
The utility model discloses a cold-resistant fire-retardant power cable of antitorque song relates to the relevant field of power cable, does not have the purpose of fine antitorque song and cold-resistant effect for solving present power cable. Insulating barrier installs to be fixed on the inboard intermediate position on outside wearing layer, the outside parcel ring of antitorque metal strip cup joints fixed connection on the cold-resistant layer in the middle, and when cup jointing, the enhancement becket in the inboard recess in outside parcel ring periphery, thereby fix between the cold-resistant layer in outside parcel ring and middle, glue the post through the inside middle of outside parcel ring like this, make holistic antitorque ability obtain strengthening greatly, and the cold-resistant layer fixed connection of third fibre on the cold-resistant layer in middle is on insulating barrier, and the cold-resistant layer fixed connection of first fibre is on the cold-resistant layer in outside, be convenient for play fine isolated effect like this, make the cold-resistant layer of first fibre, the effective isolated save temperature in fibre clearance on the cold-resistant layer of second fibre and the cold-resistant layer of third fibre, effectively cold-resistant the use.
Description
Technical Field
The utility model relates to a power cable correlation field specifically is a cold-resistant fire-retardant power cable of antitorque song.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater.
In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
At present, the existing power cable does not have good distortion resistance and cold resistance, so that the problem of power cable damage is easy to occur when the power cable is erected for use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cold-resistant fire-retardant power cable of antitorque song to the current power cable who provides does not have the problem of fine antitorque song and cold-resistant effect in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cold-resistant fire-retardant power cable of antitorque commentaries on classics, includes insulating shield layer and outside wearing layer, the insulating shield layer installation is fixed on the inboard intermediate position of outside wearing layer, the inboard a week of insulating shield layer is provided with middle cold-resistant layer, be provided with outside parcel layer in the middle of the inboard on middle cold-resistant layer, the outside on outside parcel layer is located middle cold-resistant in situ portion and is provided with antitorque metal strip, inboard a week of outside parcel layer is provided with inboard insulating layer, inboard a week of inboard insulating layer is provided with the conductor shielding layer, the inboard a week of conductor shielding layer is provided with the cable inner core.
In a further embodiment, the anti-torsion metal strip comprises an inner side groove, a middle rubber column, an outer side wrapping ring and a reinforcing metal ring, the outer side of the middle rubber column is provided with the outer side wrapping ring in a circle, the outer side of the outer side wrapping ring is provided with the inner side groove, the inner side of the inner side groove is located on the outer side wrapping ring and is provided with the reinforcing metal ring, and the outer side wrapping ring is connected to the middle cold-resistant layer.
In a further embodiment, the middle cold-resistant layer comprises a first fiber cold-resistant layer, a second fiber cold-resistant layer and a third fiber cold-resistant layer, the second fiber cold-resistant layer is arranged on the outer periphery of the first fiber cold-resistant layer, the third fiber cold-resistant layer is arranged on the outer periphery of the second fiber cold-resistant layer, the third fiber cold-resistant layer is connected on the insulation shielding layer, and the first fiber cold-resistant layer is connected on the outer wrapping layer.
In a further embodiment, the outer wear-resistant layer comprises a middle cushion block, a wear-resistant outer layer, a middle filling layer and a fixed inner layer, the middle cushion block is arranged on the outer periphery of the fixed inner layer, the middle filling layer is arranged on the fixed inner layer on the inner side of the middle cushion block, the wear-resistant outer layer is arranged on the outer periphery of the middle cushion block and the middle filling layer, and the fixed inner layer is connected to the insulation shielding layer.
In a further embodiment, the insulation shield layer is cylindrical, and the inside of the insulation shield layer is hollow.
In a further embodiment, the torsion resistant metal strips are provided with four in number and are symmetrically fixed in the grooves of the middle cold-resistant layer.
In a further embodiment, the cable core is cylindrical, and both ends of the cable core are in a symmetrical state.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an in, the outside parcel ring cover of antitorque metal strip splices fixed connection on middle cold-resistant layer, and when cup jointing, the enhancement becket in the inboard recess of outside parcel ring periphery to fix between outside parcel ring and middle cold-resistant layer, make increase joint strength each other, glue the post through the inside centre of outside parcel ring like this, thereby increase strength, make holistic antitorque ability obtain strengthening greatly, it is not fragile like this when the distortion.
2. The utility model discloses an in, the cold-resistant layer fixed connection of third fibre on middle cold-resistant layer is on the insulation shielding layer, and the cold-resistant layer fixed connection of first fibre is on outside parcel layer, is convenient for play fine isolated effect like this for the fibre clearance on the cold-resistant layer of first fibre, the cold-resistant layer of second fibre and the cold-resistant layer of third fibre effectively completely cuts off the save temperature, makes in low temperature environment, effectively ensures inside temperature, makes in low temperature environment, and effective cold-resistant uses.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural view of an anti-torsion metal strip of the present invention;
FIG. 3 is a schematic view of the structure of the middle cold-resistant layer of the present invention;
fig. 4 is a schematic structural view of the outer wear-resistant layer of the present invention.
In the figure: 1. a conductor shield layer; 2. an outer wrapping layer; 3. an anti-torsion metal strip; 31. an inner side groove; 32. a middle glue column; 33. an outer wrapping ring; 34. a reinforcing metal ring; 4. an inner core of the cable; 5. an inner insulating layer; 6. a middle cold-resistant layer; 61. a first fiber cold-resistant layer; 62. a second fiber cold-resistant layer; 63. a third fiber cold-resistant layer; 7. an insulating shield layer; 8. an outer wear layer; 81. a middle cushion block; 82. a wear-resistant outer layer; 83. an intermediate filling layer; 84. the inner layer is fixed.
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.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a cold-resistant fire-retardant power cable of antitorque commentaries on classics, including insulating shield 7 and outside wearing layer 8, 7 installations of insulating shield are fixed on the inboard intermediate position of outside wearing layer 8, the inboard a week of insulating shield 7 is provided with middle cold-resistant layer 6, be provided with outside parcel layer 2 in the middle of the inboard of middle cold-resistant layer 6, the outside of outside parcel layer 2 is located middle cold-resistant 6 inside antitorque metal strip 3 that is provided with in layer, the inboard a week of outside parcel layer 2 is provided with inboard insulating layer 5, the inboard a week of inboard insulating layer 5 is provided with conductor shield 1, the inboard a week of conductor shield 1 is provided with cable core 4.
Further, the anti-torsion metal strip 3 comprises an inner side groove 31, a middle rubber column 32, an outer side wrapping ring 33 and a reinforcing metal ring 34, the outer side wrapping ring 33 is arranged on the periphery of the outer side of the middle rubber column 32, the inner side groove 31 is arranged on the outer side of the outer side wrapping ring 33, the reinforcing metal ring 34 is arranged on the outer side wrapping ring 33 on the inner side of the inner side groove 31, the outer side wrapping ring 33 is connected on the middle cold-resistant layer 6, the outer side wrapping ring 33 of the anti-torsion metal strip 3 is fixedly connected on the middle cold-resistant layer 6 in a sleeved mode, and, during the muff coupling, the reinforcing metal ring 34 in the groove 31 inside the outer periphery of the outer side wrapping ring 33, and is thus fixed between the outer wrapping ring 33 and the intermediate cold-resistant layer 6, so that the strength of the connection to each other is increased, so that by the intermediate glue column 32 inside the outer wrapping ring 33, thereby increasing the strength and greatly enhancing the overall anti-twisting capability, so that the cable is not easy to damage during twisting.
Further, the middle cold-resistant layer 6 comprises a first fiber cold-resistant layer 61, a second fiber cold-resistant layer 62 and a third fiber cold-resistant layer 63, the second fiber cold-resistant layer 62 is arranged on the periphery of the outer side of the first fiber cold-resistant layer 61, the third fiber cold-resistant layer 63 is arranged on the periphery of the outer side of the second fiber cold-resistant layer 62, the third fiber cold-resistant layer 63 is connected on the insulating shielding layer 7, the first fiber cold-resistant layer 61 is connected on the outer side wrapping layer 2, the third fiber cold-resistant layer 63 of the middle cold-resistant layer 6 is fixedly connected on the insulating shielding layer 7, and the first fiber cold-resistant layer 61 is fixedly connected on the outer side wrapping layer 2, so that a good isolation effect is achieved, the fiber gap effective insulation temperature of the first fiber cold-resistant layer 61, the second fiber cold-resistant layer 62 and the third fiber cold-resistant layer 63 is achieved, so that in a low-temperature environment, the, is effective in resisting cold.
Further, outside wearing layer 8 includes middle cushion block 81, wear-resisting outer layer 82, middle filling layer 83 and fixed inlayer 84, outside a week of fixed inlayer 84 is provided with middle cushion block 81, the inboard of middle cushion block 81 is located and is provided with middle filling layer 83 on fixed inlayer 84, outside a week of middle cushion block 81 and middle filling layer 83 is provided with wear-resisting outer layer 82, fixed inlayer 84 is connected on insulation shield layer 7, fixed inlayer 84 fixed connection of outside wearing layer 8 is on insulation shield layer 7, be difficult for droing when using like this, and through middle cushion block 81, the shape that wear-resisting outer layer 82 and middle filling layer 83 constitute, make effective increase wear-resisting degree, like this not fragile when using.
Further, insulating shielding layer 7 is cylindrical, and insulating shielding layer 7's inside is the hollow state, when fixed, is cylindrical because of insulating shielding layer 7 to insulating shielding layer 7's inside is the hollow state, makes and is convenient for cup joint the installation fixed use.
Further, the anti-torsion metal strips 3 are totally provided with four, the anti-torsion metal strips 3 are symmetrically fixed in the grooves of the middle cold-resistant layer 6, and when the anti-torsion metal strip is used, the anti-torsion metal strips 3 are symmetrically fixed in the grooves of the middle cold-resistant layer 6, so that the strength of the middle cold-resistant layer 6 is effectively increased, and the anti-torsion metal strip is not easy to damage in use.
Further, cable inner core 4 is cylindrical, and the both ends of cable inner core 4 are the symmetry form, during the use, because of cable inner core 4 is cylindrical to the both ends of cable inner core 4 are the symmetry form, thereby be convenient for connect the use, and through the structure in the outside, make to play fine guard action.
The working principle is as follows: during the use, play fine cold-resistant effect through middle cold-resistant layer 6, middle cold-resistant layer 6 is by first fibre cold-resistant layer 61, second fibre cold-resistant layer 62 and the cold-resistant layer 63 of third fibre constitute, the cold-resistant layer 63 fixed connection of third fibre on middle cold-resistant layer 6 is on insulating shield 7, and first fibre cold-resistant layer 61 fixed connection is on outside parcel layer 2, be convenient for play fine isolated effect like this, make first fibre cold-resistant layer 61, the effective isolated save temperature in fibre clearance on the cold-resistant layer 62 of second fibre and the cold-resistant layer 63 of third fibre, make in low temperature environment, effectively ensure inside temperature, make in low temperature environment, effectively cold-resistant uses. And the cold-resistant layer 6 of centre is through the antitorque metal strip 3 of four inside symmetries, effectively increase holistic antitorque ability like this, antitorque metal strip 3 is by inboard recess 31, middle gluey post 32, outside parcel ring 33 and reinforcement metal ring 34 are constituteed, the outside parcel ring 33 of antitorque metal strip 3 cup joints fixed connection on cold-resistant layer 6 in the centre, and when cup jointing, the reinforcement metal ring 34 in the inboard recess 31 of outside parcel ring 33 periphery, thereby fix between cold-resistant layer 6 of outside parcel ring 33 and middle, make increase joint strength each other, through the inside middle gluey post 32 of outside parcel ring 33 like this, thereby increase strength, make holistic antitorque ability strengthened greatly, not fragile when the distortion like this.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a cold-resistant fire-retardant power cable of antitorque commentaries on classics, includes insulating shield layer (7) and outside wearing layer (8), its characterized in that: insulation screen (7) installation is fixed on the inboard intermediate position of outside wearing layer (8), the inboard a week of insulation screen (7) is provided with middle cold-resistant layer (6), be provided with outside parcel layer (2) in the middle of the inboard of middle cold-resistant layer (6), the outside of outside parcel layer (2) is located middle cold-resistant layer (6) inside and is provided with antitorque metal strip (3), the inboard a week of outside parcel layer (2) is provided with inboard insulating layer (5), the inboard a week of inboard insulating layer (5) is provided with conductor shielding layer (1), the inboard a week of conductor shielding layer (1) is provided with cable inner core (4).
2. The anti-twisting cold-resistant flame-retardant power cable according to claim 1, characterized in that: anti-torsion metal strip (3) glue post (32), outside parcel ring (33) and enhancement becket (34) including inboard recess (31), centre, the outside a week of centre gluey post (32) is provided with outside parcel ring (33), the outside of outside parcel ring (33) is provided with inboard recess (31), the inboard of inboard recess (31) is located and is provided with on outside parcel ring (33) and strengthens becket (34), outside parcel ring (33) is connected in the middle on cold-resistant layer (6).
3. The anti-twisting cold-resistant flame-retardant power cable according to claim 1, characterized in that: middle cold-resistant layer (6) are including cold-resistant layer (61) of first fibre, the cold-resistant layer (62) of second fibre and the cold-resistant layer (63) of third fibre, the outside a week of the cold-resistant layer (61) of first fibre is provided with the cold-resistant layer (62) of second fibre, the outside a week of the cold-resistant layer (62) of second fibre is provided with the cold-resistant layer (63) of third fibre, the cold-resistant layer (63) of third fibre is connected on insulation shielding layer (7), the cold-resistant layer (61) of first fibre is connected on outside parcel layer (2).
4. The anti-twisting cold-resistant flame-retardant power cable according to claim 1, characterized in that: the outside wear layer (8) includes middle cushion (81), wear-resisting outer (82), middle filling layer (83) and fixed inlayer (84), outside a week of fixed inlayer (84) is provided with middle cushion (81), the inboard of middle cushion (81) is located and is provided with middle filling layer (83) on fixed inlayer (84), outside a week of middle cushion (81) and middle filling layer (83) is provided with wear-resisting outer (82), fixed inlayer (84) are connected on insulation shielding layer (7).
5. The anti-twisting cold-resistant flame-retardant power cable according to claim 1, characterized in that: the insulation shielding layer (7) is cylindrical, and the interior of the insulation shielding layer (7) is hollow.
6. The anti-twisting cold-resistant flame-retardant power cable according to claim 1, characterized in that: the number of the anti-torsion metal strips (3) is four, and the anti-torsion metal strips (3) are symmetrically fixed in grooves of the middle cold-resistant layer (6).
7. The anti-twisting cold-resistant flame-retardant power cable according to claim 1, characterized in that: the cable inner core (4) is cylindrical, and two ends of the cable inner core (4) are in a symmetrical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022888867.9U CN213635452U (en) | 2020-12-03 | 2020-12-03 | Distortion-resistant cold-resistant flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022888867.9U CN213635452U (en) | 2020-12-03 | 2020-12-03 | Distortion-resistant cold-resistant flame-retardant power cable |
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| Publication Number | Publication Date |
|---|---|
| CN213635452U true CN213635452U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022888867.9U Active CN213635452U (en) | 2020-12-03 | 2020-12-03 | Distortion-resistant cold-resistant flame-retardant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213635452U (en) |
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- 2020-12-03 CN CN202022888867.9U patent/CN213635452U/en active Active
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