CN213583206U - Polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable - Google Patents
Polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable Download PDFInfo
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- CN213583206U CN213583206U CN202023316226.2U CN202023316226U CN213583206U CN 213583206 U CN213583206 U CN 213583206U CN 202023316226 U CN202023316226 U CN 202023316226U CN 213583206 U CN213583206 U CN 213583206U
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Abstract
The utility model discloses a polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable, which comprises a cable core, and a wrapping tape layer, a total shielding layer, an anti-cracking layer, a buffer layer and a sheath layer which are sequentially wrapped outside the cable core; the cable core comprises a limiting compression rack and seven wire cores, the limiting compression rack comprises an inner protective pipe and six limiting arc plates which are uniformly distributed on the periphery of the inner protective pipe and have outward arc openings, two adjacent limiting arc plates are tightly connected with each other, the end parts of two adjacent limiting arc plates are connected with pressure-bearing arc plates with inward arc openings, one wire core is embedded in the inner protective pipe, and the other six wire cores are respectively arranged in arc cavities of the limiting arc plates; the cable core comprises two insulating guide cores, a sub-shielding layer and an inner filling layer which are mutually twisted, and drainage wires are arranged in the sub-shielding layer and the main shielding layer; a first buffer hole is embedded in the buffer layer; and second buffer holes are formed in the inner wall of the sheath layer at intervals. The utility model discloses aim at solving the problem that current compensation cable compressive property is poor, life is short.
Description
Technical Field
The utility model relates to a compensation cable technical field especially relates to a compound shielding compensation cable of taking of polyethylene insulation polyvinyl chloride sheath plastic-aluminum.
Background
The cable is an electric energy or signal transmission device, usually composed of several or several groups of wires, such as power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc., which are composed of single-strand or multi-strand wires and insulating layer and used for connecting circuits, electric appliances, etc. The compensating cable is used for extending the cold ends of the multipoint thermocouples and the movable thermocouples and is connected with the display instrument to form a multipoint temperature measuring system.
Among the prior art, compensation cable in use often can meet some problems, and when compensation cable received external extrusion, can extrude each other and warp between its inside a plurality of sinle silks, the sinle silk is damaged, cracked easily, and simultaneously, the condition of flat song, damage and fracture also can appear in the compensation cable body to influenced compensation cable's normal use, compensation cable's life is short.
To above technical problem, the utility model discloses a compound tape shielding compensating cable of polyethylene insulation polyvinyl chloride sheath plastic-aluminum, the utility model has the advantages of improve compensating cable's compressive property, extension compensating cable's life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, a polyethylene insulation polyvinyl chloride sheath plastic-aluminum composite tape shielding compensation cable is provided, often meet some problems with compensation cable in use among the solution prior art, when compensation cable is receiving external extrusion, can extrude each other and warp between its inside a plurality of sinle silks, the sinle silk is damaged easily, the fracture, simultaneously, flat song also can appear in the compensation cable body, damaged and cracked condition, thereby compensation cable's normal use has been influenced, technical problem such as compensation cable's life weak point, the utility model has the advantages of improve compensation cable's compressive property, extension compensation cable's life.
The utility model discloses a following technical scheme realizes: the utility model discloses a polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable, which comprises a cable core, a wrapping tape layer, a total shielding layer, an anti-cracking layer, a buffer layer and a sheath layer, wherein the wrapping tape layer, the total shielding layer, the anti-cracking layer, the buffer layer and the sheath layer are sequentially wrapped outside the cable core, and the sheath layer is made of polyvinyl chloride material; the cable core comprises a limiting compression rack and seven wire cores, the limiting compression rack comprises an inner protection pipe and six limiting arc plates which are uniformly distributed on the periphery of the inner protection pipe and have outward arc openings, two adjacent limiting arc plates are tightly connected with each other, the end parts of the two adjacent limiting arc plates are also connected with pressure-bearing arc plates with inward arc openings, one wire core is embedded inside the inner protection pipe, the other six wire cores are respectively arranged in arc cavities of the limiting arc plates, outer filling layers are respectively arranged between the inner protection pipe and the limiting arc plates and between the wire cores and the belting layer, and the inner protection pipe, the limiting arc plates and the pressure-bearing arc plates are all made of nylon materials; the cable core comprises two mutually twisted insulated guide cores, a sub-shielding layer coated outside the insulated guide cores and an inner filling layer filled between the insulated guide cores and the sub-shielding layer, the sub-shielding layer and the main shielding layer are both formed by wrapping an aluminum-plastic composite tape, the sub-shielding layer and the main shielding layer are both internally provided with a drainage wire, the insulated guide cores comprise alloy conductors and insulating layers coated outside the alloy conductors, and the insulating layers are made of polyethylene materials; the buffer layer is made of TPU elastomer materials, and a circle of first buffer holes are arranged inside the buffer layer at intervals; and a circle of second buffer holes are formed in the inner wall of the sheath layer at intervals.
Preferably, in order to improve the tensile property of the compensation cable, a circle of tensile core is embedded in the sheath layer at intervals, and the tensile core is an aramid fiber rope.
Preferably, in order to improve the structural strength between the limiting arc plate and the pressure-bearing arc plate and further improve the overall pressure-bearing performance of the limiting pressure-bearing frame, reinforcing ribs are respectively arranged between the end part of the limiting arc plate and the pressure-bearing arc plate.
Preferably, to ensure electrical continuity of the shield, the drain wire is a tinned round copper wire having a cross-sectional area of no less than 0.2 square millimeters.
Preferably, the second buffer holes have a "triangular" cross-section.
Preferably, the wrapping layer is formed by wrapping a polyester film tape.
Preferably, the anti-cracking layer is formed by weaving aramid fibers.
Preferably, the outer filling layer and the inner filling layer are both filled with polypropylene tearing reticular filling ropes.
The utility model has the advantages of it is following:
(1) in the utility model, the inside of the cable core is provided with a limit compression rack, the limit compression rack comprises an inner protecting pipe and six limit arc plates which are evenly distributed at the periphery of the inner protecting pipe and have outward arc mouths, two adjacent limit arc plates are closely connected, the end parts of the two adjacent limit arc plates are also connected with pressure-bearing arc plates with inward arc mouths, a cable core is embedded in the inner protecting pipe, and the other six cable cores are respectively arranged in the arc cavities of the limit arc plates, thereby, the cable cores are well supported, limited and protected by the limit compression rack, simultaneously, the limit compression rack can well bear the external extrusion force, the cable cores are prevented from directly receiving larger pressure, wherein, a buffer layer is also arranged between the anti-cracking layer and the sheath layer, the internal interval of the buffer layer is provided with a circle of first buffer holes, and a circle of second buffer holes are arranged on the inner wall of the sheath layer at intervals, therefore, the external extrusion force is properly buffered through the arrangement of the buffer layer, the first buffer hole and the second buffer hole, so that the compression resistance of the compensation cable is improved, the internal structure of the compensation cable is well protected, and the service life of the compensation cable is prolonged;
(2) the utility model discloses in, total shield layer is provided with the anti layer of splitting outward, and the anti layer of splitting is woven by aramid fiber and is formed, and the inside interval of restrictive coating inlays and is equipped with round tensile core, and tensile core is aramid fiber rope to compensation cable's tensile strength has been promoted.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
figure 2 is the utility model discloses cable core cross-sectional view.
In the figure: 1. a cable core; 11. a limiting compression rack; 111. an inner sheath; 112. a limiting arc plate; 113. a pressure-bearing arc plate; 12. a wire core; 121. an insulating conductive core; 1211. an alloy conductor; 1212. an insulating layer; 122. dividing a shielding layer; 123. an inner filling layer; 2. a belting layer; 3. a total shielding layer; 4. an anti-cracking layer; 5. a buffer layer; 51. a first buffer hole; 6. a sheath layer; 61. a second buffer hole; 62. a tensile core; 7. reinforcing ribs; 8. an outer filling layer; 9. and (4) a drainage wire.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
Embodiment 1 discloses a polyethylene-insulated polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable, which comprises a cable core 1, and a belting layer 2, a total shielding layer 3, an anti-cracking layer 4, a buffer layer 5 and a sheath layer 6 which are sequentially coated outside the cable core 1, wherein the belting layer 2 is formed by wrapping a polyester film tape, the anti-cracking layer 4 is formed by weaving aramid fibers, and the sheath layer 6 is made of a polyvinyl chloride material; as shown in fig. 1 and 2, the cable core 1 includes a limiting pressure-resistant frame 11 and seven cable cores 12, the limiting pressure-resistant frame 11 includes an inner sheath 111 and six limiting arc plates 112 uniformly distributed on the periphery of the inner sheath 111 with outward arcs, two adjacent limiting arc plates 112 are closely connected, the end portions of two adjacent limiting arc plates 112 are further connected with pressure-bearing arc plates 113 with inward arcs, reinforcing ribs 7 are respectively arranged between the end portions of the limiting arc plates 112 and the pressure-bearing arc plates 113, one cable core 12 is embedded inside the inner sheath 111, the other six cable cores 12 are respectively arranged in the arc cavities of the limiting arc plates 112, outer filling layers 8 are respectively arranged between the inner sheath 111 and the limiting arc plates 112 and between the cable core 12 and the wrapping layer 2, and the inner sheath 111, the limiting arc plates 112 and the pressure-bearing arc plates 113 are all made of nylon material; the wire core 12 comprises two insulating conductive cores 121 twisted with each other, a sub-shielding layer 122 coated outside the insulating conductive core 121, and an inner filling layer 123 filled between the insulating conductive core 121 and the sub-shielding layer 122, the outer filling layer 8 and the inner filling layer 123 are both filled with polypropylene tearing mesh-shaped filling ropes, the sub-shielding layer 122 and the total shielding layer 3 are both formed by wrapping aluminum-plastic composite tapes, drainage wires 9 are arranged in the sub-shielding layer 122 and the total shielding layer 3, the drainage wires 9 are tinned round copper wires with the cross-sectional area not less than 0.2 square millimeter, the insulating conductive core 121 comprises an alloy conductor 1211 and an insulating layer 1212 coated outside the alloy conductor 1211, and the insulating layer 1212 is made of polyethylene material; the buffer layer 5 is made of TPU elastomer material, and a circle of first buffer holes 51 are arranged in the buffer layer 5 at intervals; the interval is provided with round second cushion hole 61 on the inner wall of restrictive coating 6, and the cross-section of second cushion hole 61 is "triangle-shaped", and the inside interval of restrictive coating 6 inlays and is equipped with round tensile core 62, and tensile core 62 is aramid fiber rope.
The principle of the utility model is as follows: in the utility model, the limiting pressure-resistant frame 11 is arranged inside the cable core 1, the limiting pressure-resistant frame 11 comprises an inner protecting tube 111 and six limiting arc plates 112 which are uniformly distributed on the periphery of the inner protecting tube 111 and have outward arcs, two adjacent limiting arc plates 112 are closely connected, the end parts of two adjacent limiting arc plates 112 are also connected with pressure-bearing arc plates 113 with inward arcs, one wire core 12 is embedded inside the inner protecting tube 111, and the other six wire cores 12 are respectively arranged in the arc cavities of the limiting arc plates 112, thereby, the wire cores 12 are well supported, limited and protected by the limiting pressure-resistant frame 11, meanwhile, the limiting pressure-resistant frame 11 can well bear the external extrusion force to avoid the wire cores 12 directly receiving larger pressure, wherein, a buffer layer 5 is also arranged between the crack-resistant layer 4 and the sheath layer 5, a circle of first buffer holes 51 is arranged at the internal interval of the buffer layer 5, a circle of second buffer holes 61 are arranged on the inner wall of the sheath layer 6 at intervals, so that external extrusion force is properly buffered through arrangement of the buffer layer 5, the first buffer holes 51 and the second buffer holes 61, the compression resistance of the compensation cable is improved, the internal structure of the compensation cable is well protected, and the service life of the compensation cable is prolonged; the utility model discloses in, total shield layer 3 is provided with anti-crack layer 4 outward, and anti-crack layer 4 is woven by aramid fiber and is formed, and the inside interval of restrictive coating 6 inlays and is equipped with round tensile core 62, and tensile core 62 is the aramid fiber rope to compensation cable's tensile strength has been promoted.
Claims (8)
1. A polyethylene insulated polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable is characterized by comprising a cable core, and a belting layer, a total shielding layer, an anti-cracking layer, a buffer layer and a sheath layer which are sequentially coated outside the cable core, wherein the sheath layer is made of a polyvinyl chloride material;
the cable core comprises a limiting compression rack and seven wire cores, the limiting compression rack comprises an inner protecting pipe and six limiting arc plates which are uniformly distributed on the periphery of the inner protecting pipe and have outward arc openings, two adjacent limiting arc plates are tightly connected with each other, the end parts of the two adjacent limiting arc plates are also connected with pressure-bearing arc plates with inward arc openings, one wire core is embedded in the inner protecting pipe, the other six wire cores are respectively arranged in arc cavities of the limiting arc plates, outer filling layers are respectively arranged between the inner protecting pipe and the limiting arc plates and between the wire cores and the belting layer, and the inner protecting pipe, the limiting arc plates and the pressure-bearing arc plates are all made of nylon materials;
the cable core comprises two mutually twisted insulated guide cores, a sub-shielding layer and an inner filling layer, wherein the sub-shielding layer is coated outside the insulated guide cores, the inner filling layer is filled between the insulated guide cores and the sub-shielding layer, the sub-shielding layer and the main shielding layer are both formed by wrapping an aluminum-plastic composite tape, the sub-shielding layer and the main shielding layer are both provided with a drainage wire, the insulated guide cores comprise alloy conductors and insulating layers coated outside the alloy conductors, and the insulating layers are made of polyethylene materials;
the buffer layer is made of TPU elastomer materials, and a circle of first buffer holes are arranged in the buffer layer at intervals;
and a circle of second buffer holes are formed in the inner wall of the sheath layer at intervals.
2. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite tape shielding compensation cable as claimed in claim 1, wherein a circle of tensile core is embedded at intervals in the sheath layer, and the tensile core is aramid fiber rope.
3. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite tape shielded compensation cable of claim 1, wherein reinforcing ribs are respectively arranged between the end parts of the limiting arc plates and the pressure-bearing arc plates.
4. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite shielded compensation cable of claim 1, wherein the drainage wire is a tinned round copper wire with a cross-sectional area of not less than 0.2 square millimeters.
5. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite tape shielded compensation cable of claim 1, wherein the cross-section of the second buffer hole is triangular.
6. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite tape shielded compensation cable of claim 1, wherein the wrapping layer is formed by wrapping a polyester film tape.
7. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite tape shielded compensation cable of claim 1, wherein the anti-crack layer is woven from aramid fibers.
8. The polyethylene insulated polyvinyl chloride sheathed aluminum-plastic composite tape shielded compensation cable of claim 1, wherein the outer filling layer and the inner filling layer are both filled with polypropylene tearing mesh filling ropes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023316226.2U CN213583206U (en) | 2020-12-31 | 2020-12-31 | Polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023316226.2U CN213583206U (en) | 2020-12-31 | 2020-12-31 | Polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable |
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| CN213583206U true CN213583206U (en) | 2021-06-29 |
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| CN202023316226.2U Active CN213583206U (en) | 2020-12-31 | 2020-12-31 | Polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114049992A (en) * | 2021-11-12 | 2022-02-15 | 安徽渡江电缆集团有限公司 | Power cable with good anti-aging and moisture-proof effects |
| CN114724762A (en) * | 2022-04-11 | 2022-07-08 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Communication cable made of polyethylene high-speed insulating material and preparation process thereof |
-
2020
- 2020-12-31 CN CN202023316226.2U patent/CN213583206U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114049992A (en) * | 2021-11-12 | 2022-02-15 | 安徽渡江电缆集团有限公司 | Power cable with good anti-aging and moisture-proof effects |
| CN114724762A (en) * | 2022-04-11 | 2022-07-08 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Communication cable made of polyethylene high-speed insulating material and preparation process thereof |
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