CN215118393U - Tensile and compressive compensation cable - Google Patents
Tensile and compressive compensation cable Download PDFInfo
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- CN215118393U CN215118393U CN202121512590.8U CN202121512590U CN215118393U CN 215118393 U CN215118393 U CN 215118393U CN 202121512590 U CN202121512590 U CN 202121512590U CN 215118393 U CN215118393 U CN 215118393U
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Abstract
The utility model discloses a tensile resistance to compression compensating cable relates to power cable technical field, electric core, a plurality of including a plurality of annular distribution electric core all includes a plurality of conductor, a plurality of the outside of conductor is all overlapped and is equipped with insulating cover, a plurality of the outside cover of electric core is equipped with the shield cover, a plurality of install insulating support frame between the electric core, the outside cover of shield cover is equipped with the resistance to compression endotheca, the outside cover of resistance to compression endotheca is equipped with the resistance to compression overcoat. The utility model discloses in be provided with the resistance to compression endotheca in the outside of housing, the resistance to compression endotheca adopts rubber strip spiral equipment to be in the same place, plays the effect of resistance to compression to the cable through the elasticity of self, compares in prior art, is provided with the equipment seam between the rubber strip, and the elastic webbing and the elastic block of resistance to compression overcoat can be embedded into between the equipment seam to play spacing effect, prevent that gliding problem from appearing in the resistance to compression overcoat under the effect of external force, thereby can improve the tensile strength of cable.
Description
Technical Field
The utility model relates to a power cable technical field, concretely relates to tensile resistance to compression compensating cable.
Background
The power cable is used for transmitting and distributing electric energy, 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, is gradually increased in proportion in the power line, and can be subjected to stronger pressure and pull in some use places.
Through retrieval, the Chinese patent discloses a polyvinyl chloride insulation compensation cable (publication number: CN202258483U), which comprises a plurality of conductor groups, wherein the conductor groups respectively comprise two conductors which are twisted with each other, the conductor is formed by twisting a plurality of tinned copper wires into a bundle by taking thin steel wires with oval cross sections as centers, the outer sides of the conductors are respectively wrapped with a pressure-resistant layer which is a tubular elastomer, the outer sides of the pressure-resistant layers are wrapped with an insulation layer, the outer sides of the conductor groups are respectively wrapped with a wrapping tape layer and a sub-shielding layer in sequence, the plurality of conductor groups wrapping the sub-shielding layers are twisted into a bundle with each other, the outer sides of the bundled conductors are sequentially wrapped with a main shielding layer, the main shielding layer and the sub-shielding layers are both internally provided with drainage wires, and the main shielding layer is externally extruded and molded with a sheath layer.
When a conventional power cable is subjected to large pressure for a long time, large acting force is applied to internal components, the surface of the conventional power cable is easy to deform or damage, and when the cable is subjected to horizontal pulling force, the surface components and the internal components are easy to slide.
SUMMERY OF THE UTILITY MODEL
In order to overcome above-mentioned current power cable when bearing great pressure for a long time, can cause great effort to inside component to the problem of deformation or damage appears easily in its surface, when the cable received the pulling force of horizontal direction, gliding problem appeared with inside component easily in the component on its surface, the utility model aims to provide a tensile resistance to compression compensating cable.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a tensile resistance to compression compensating cable, includes the electric core that a plurality of annular distributes, a plurality of electric core all includes a plurality of conductor, a plurality of the outside of conductor all is overlapped and is equipped with insulating cover, a plurality of the outside cover of electric core is equipped with the housing, a plurality of install insulating support frame between the electric core, the outside cover of housing is equipped with the resistance to compression endotheca, the outside cover of resistance to compression endotheca is equipped with the resistance to compression overcoat.
As a further aspect of the present invention: the resistance to compression endotheca includes a plurality of rubber strip, a plurality of intertwine obtains the area body between the rubber strip, and the area body all is provided with the equipment seam between the rubber strip and between the spiral helicine area body adjacent side at the outside spiral winding of shield cover, a plurality of, the equipment seam is used for increasing the frictional force between resistance to compression endotheca and the resistance to compression overcoat, improves the tensile strength of resistance to compression overcoat.
As a further aspect of the present invention: the resistance to compression overcoat is including the cover body, the inside adhesion of the cover body is connected with a plurality of elastic webbing, and the side adhesion that the cover body is inside to be close to the elastic webbing is connected with a plurality of elastic block, and elastic webbing and elastic block all are used for improving the frictional force between the cover body and the resistance to compression endotheca, and after the installation, the equipment that is embedded into in the resistance to compression endotheca is sewed up inside.
As a further aspect of the present invention: the sleeve body, the elastic belt and the elastic block are all made of rubber.
As a further aspect of the present invention: the outer side of the sleeve body is provided with a pressure-resistant groove which is used for improving the deformation capacity of the surface of the sleeve body, so that the pressure-resistant capacity of the cable is further improved.
As a further aspect of the present invention: the pressure-resistant groove is a circular truncated cone-shaped component, and the wider side of the pressure-resistant groove faces the outer side of the sleeve body and is used for improving the deformation capacity of the pressure-resistant groove.
As a further aspect of the present invention: the insulating support frame comprises a plurality of supporting rods, the number of the supporting rods is the same as that of the battery cores, the number of the supporting rods is a plurality of, one ends of the supporting rods are connected with each other, the other ends of the supporting rods face the supporting rods and the supporting sleeves respectively, and the supporting sleeves are tightly attached to one sides of the adjacent battery cores.
As a further aspect of the present invention: the supporting rod and the supporting sleeve are made of rubber materials and used for improving the elasticity of the insulating supporting frame.
As a further aspect of the present invention: the elastic block is made of the sleeve body, the elastic belt, the supporting rod and leftover materials of the supporting sleeve in a processing mode, and is used for reducing production cost.
The utility model has the advantages that:
the utility model discloses in be provided with the resistance to compression endotheca in the outside of housing, the resistance to compression endotheca adopts rubber strip spiral equipment to be in the same place, plays the effect of resistance to compression to the cable through self elasticity, compares with prior art, is provided with the equipment seam between the rubber strip, and the elastic band and the elastic block of resistance to compression overcoat can imbed between the equipment seam to play spacing effect, prevent that the resistance to compression overcoat from appearing gliding problem under the effect of external force, thereby can improve the tensile strength of cable;
on the other hand, the surface of the compression-resistant outer sleeve is also provided with a truncated cone-shaped compression-resistant groove, so that the deformation capacity of the surface of the compression-resistant outer sleeve can be improved, and the compression resistance of the cable is further improved;
furthermore, be provided with insulating support frame between the electric core in the present case, can support each group's electric core.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a partial structure view of the inner compression-resistant sleeve of the present invention;
FIG. 3 is a partial structure view of the middle anti-compression casing of the present invention;
fig. 4 is a front view of the middle insulation support frame of the present invention.
In the figure: 100. an electric core; 1. a conductor; 2. an insulating sleeve; 3. an insulating support frame; 4. a shielding sleeve; 5. a compression-resistant inner sleeve; 6. a compression-resistant outer sleeve; 51. a rubber strip; 52. assembling seams; 61. a sleeve body; 62. an elastic band; 63. an elastic block; 64. a pressure resistant groove; 31. a support bar; 32. and a support sleeve.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-4, a tensile and compressive compensation cable, which includes a plurality of annularly distributed electric cores 100, wherein each of the plurality of electric cores 100 includes a plurality of conductors 1, the outer sides of the plurality of conductors 1 are respectively sleeved with an insulating sleeve 2, the outer sides of the plurality of electric cores 100 are sleeved with shielding sleeves 4, an insulating support frame 3 is installed between the plurality of electric cores 100, the outer side of each shielding sleeve 4 is sleeved with a compressive inner sleeve 5, the outer side of each compressive inner sleeve 5 is sleeved with a compressive outer sleeve 6, the compressive inner sleeves 5 and the shielding sleeves 4 are tightly attached, and the compressive outer sleeves 6 and the compressive inner sleeves 5 are used for improving the compressive capacity of the cable.
Resistance to compression endotheca 5 includes a plurality of rubber strip 51, and intertwine obtains the area body between a plurality of rubber strip 51, and the area body all is provided with equipment seam 52 between a plurality of rubber strip 51 and between the spiral helicine adjacent side of area body at the outside spiral winding of shield cover 4, and equipment seam 52 is used for increasing the frictional force between resistance to compression endotheca 5 and the resistance to compression overcoat 6, improves the tensile strength of resistance to compression overcoat 6.
The compression-resistant outer sleeve 6 comprises a sleeve body 61, the inner part of the sleeve body 61 is adhered and connected with a plurality of elastic belts 62, the side edges, close to the elastic belts 62, of the sleeve body 61 are adhered and connected with a plurality of elastic blocks 63, the elastic belts 62 and the elastic blocks 63 are both used for improving the friction force between the sleeve body 61 and the compression-resistant inner sleeve 5, and after installation, the elastic belts 62 and the elastic blocks 63 are embedded into an assembly seam 52 in the compression-resistant inner sleeve 5.
The sleeve body 61, the elastic band 62 and the elastic block 63 are made of rubber.
The outer side of the sheath body 61 is provided with a pressure-resistant groove 64, and the pressure-resistant groove 64 is used for improving the deformation capacity of the surface of the sheath body 61, so that the pressure-resistant capacity of the cable is further improved.
The crush slots 64 are truncated cone-shaped members, and the wider side of the crush slots 64 faces the outside of the sheath 61, for improving the deformability of the crush slots 64.
The support rod 31 and the support sleeve 32 are made of rubber materials and used for improving the elasticity of the insulating support frame 3.
The elastic block 63 is made of leftover materials of the sleeve body 61, the elastic belt 62, the support rod 31 and the support sleeve 32, and is used for reducing production cost.
The utility model discloses a theory of operation:
winding a plurality of rubber strips 51 together to obtain a belt body, spirally winding the belt body on the outer side of the shielding sleeve 4, and finally sleeving the compression-resistant outer sleeve 6 on the outer side of the belt body;
after the sleeving is finished, the elastic belt 62 and the elastic block 63 in the compression-resistant outer sleeve 6 can be embedded into the gap between the belt bodies and the gap between the rubber strips 51 in the belt bodies, so that the tensile capacity between the compression-resistant outer sleeve 6 and the compression-resistant inner sleeve 5 is improved, and the problem of dislocation and sliding of the two groups of components is solved;
when the outer compression-resistant sleeve 6 is compressed, the compression-resistant grooves 64 on the surface of the outer compression-resistant sleeve are deformed, so that the compression resistance of the outer compression-resistant sleeve 6 is further improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The utility model provides a tensile resistance to compression compensating cable, includes electric core (100), a plurality of that a plurality of annular distributes electric core (100) all includes a plurality of conductor (1), a plurality of the outside of conductor (1) all is equipped with insulating cover (2), its characterized in that, a plurality of the outside cover of electric core (100) is equipped with shielding sleeve (4), and a plurality of install insulating support frame (3) between electric core (100), the outside cover of shielding sleeve (4) is equipped with resistance to compression endotheca (5), the outside cover of resistance to compression endotheca (5) is equipped with resistance to compression overcoat (6).
2. A tension-resistant and pressure-resistant compensation cable as claimed in claim 1, wherein the pressure-resistant inner sleeve (5) comprises a plurality of rubber strips (51), a belt body is obtained by winding a plurality of rubber strips (51) with each other, the belt body is spirally wound on the outer side of the shielding sleeve (4), and assembling seams (52) are arranged between a plurality of rubber strips (51) and between adjacent sides of the spiral belt body.
3. A tension-resistant and pressure-resistant compensation cable as claimed in claim 1, wherein the pressure-resistant sheath (6) comprises a sheath body (61), a plurality of elastic bands (62) are adhesively connected to the inside of the sheath body (61), and a plurality of elastic blocks (63) are adhesively connected to the side edge of the inside of the sheath body (61) close to the elastic bands (62).
4. A tension-resistant and compression-resistant compensation cable as claimed in claim 3, wherein the outer side of the sheath body (61) is provided with compression-resistant grooves (64).
5. A tension-resistant and compression-resistant compensating cable as claimed in claim 4, characterized in that the compression-resistant groove (64) is a truncated cone-shaped member, and the wider side of the compression-resistant groove (64) faces the outside of the sheath (61).
6. The tensile and compressive compensation cable according to claim 1, wherein the insulating support frame (3) comprises a plurality of support rods (31), the number of the support rods (31) is the same as that of the battery cells (100), one ends of the plurality of support rods (31) are connected with each other, the other ends of the plurality of support rods (31) face the support rods (31) respectively and are fixedly connected with the support sleeves (32), and the support sleeves (32) are tightly attached to one side of the adjacent battery cells (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512590.8U CN215118393U (en) | 2021-07-05 | 2021-07-05 | Tensile and compressive compensation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512590.8U CN215118393U (en) | 2021-07-05 | 2021-07-05 | Tensile and compressive compensation cable |
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| Publication Number | Publication Date |
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| CN215118393U true CN215118393U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121512590.8U Active CN215118393U (en) | 2021-07-05 | 2021-07-05 | Tensile and compressive compensation cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116435025A (en) * | 2023-06-13 | 2023-07-14 | 国网山东省电力公司夏津县供电公司 | Power cable for power construction |
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2021
- 2021-07-05 CN CN202121512590.8U patent/CN215118393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116435025A (en) * | 2023-06-13 | 2023-07-14 | 国网山东省电力公司夏津县供电公司 | Power cable for power construction |
| CN116435025B (en) * | 2023-06-13 | 2023-08-15 | 国网山东省电力公司夏津县供电公司 | Power cable for power construction |
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