CN210984358U - Longitudinal water-blocking cable - Google Patents
Longitudinal water-blocking cable Download PDFInfo
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- CN210984358U CN210984358U CN201921443455.5U CN201921443455U CN210984358U CN 210984358 U CN210984358 U CN 210984358U CN 201921443455 U CN201921443455 U CN 201921443455U CN 210984358 U CN210984358 U CN 210984358U
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Abstract
The utility model discloses a longitudinal water-blocking cable, which comprises a plurality of strands of twisted conductors; a tin coating is arranged outside the conductor; an inner woven fabric layer is arranged outside the stranded twisted conductor; waterproof glue is arranged between the conductor tinning layer and the inner woven cloth layer and in gaps; the outer surface of the inner woven fabric layer is sequentially provided with inner water blocking powder, a water blocking tape, a rubber insulating layer and an outer woven fabric layer; the outer surfaces of the outer fabric layers are sequentially provided with an outer water-blocking tape, a woven armor layer, a filling layer and a sheath; and outer water-blocking powder and a tensile rope body are arranged between the outer fabric layer and the outer water-blocking belt. The utility model discloses rational in infrastructure, convenient to use all is equipped with the waterproofing strip and blocks water the powder between single conductor and the whole root sleeve pipe, and the effectual cable that blocks water of having solved prior art has the effect of blocking water poor and uses inconvenient technical problem.
Description
Technical Field
The utility model belongs to the technical field of the cable run, concretely relates to vertical cable that blocks water.
Background
Most of the water-blocking cables in the current market are multi-core cables with sheaths, and water-blocking ropes or water-blocking yarns are added into the cables when core wires are cabled, and then a layer of water-blocking tape is wound to achieve the purpose of water blocking.
When all cables are used, the wire ends need to be stripped of the sheaths and insulated for connection, the conductors of the wire end parts are exposed outside, and even if water-blocking ropes or water-blocking yarns are added during cabling, the water-blocking tapes wrapped after cabling cannot prevent water and various moisture from permeating along gaps among the conductors. The penetration of moisture in the conductor can accelerate the oxidation and blackening of the conductor, and other corrosive liquids can directly cause the corrosion of the conductor, thereby influencing the safety of a circuit and the service life of a cable.
The patent with application number 201721172004.3 discloses a vertical cable that blocks water, this cable sets up the granule that blocks water outside the insulating layer, in case the oversheath appears extrusion fracture and the joint department all can let block water and lose the effect, and it is very inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art's the cable that blocks water and have the effect of blocking water poor and use inconvenient technical problem, provide a vertical cable that blocks water to solve prior art not enough.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a longitudinal water-blocking cable comprising a plurality of twisted conductors; a tin coating is arranged outside the conductor; an inner woven fabric layer is arranged outside the stranded twisted conductor; waterproof glue is arranged between the conductor tinning layer and the inner woven cloth layer and in gaps; the outer surface of the inner woven fabric layer is sequentially provided with inner water blocking powder, a water blocking tape, a rubber insulating layer and an outer woven fabric layer; the outer surfaces of the outer fabric layers are sequentially provided with an outer water-blocking tape, a woven armor layer, a filling layer and a sheath; and outer water-blocking powder and a tensile rope body are arranged between the outer fabric layer and the outer water-blocking belt.
Further, the inner water-blocking powder and the outer water-blocking powder adopt acrylic water-blocking powder; and polyester belt layers are respectively arranged on two sides of the inner water-blocking powder and the outer water-blocking powder for wrapping.
Further, the water-blocking tape and the outer water-blocking tape comprise a base layer of polyester fabric and expansion particles bonded on the base layer, and the expansion particles are made of cellulose, acrylamide and acrylic acid polymers.
Further, the filling layer adopts rubber filler.
Further, the sheath is a TPU sheath or a TPE sheath.
Further, the outer surface of the sheath is coated with a rat-proof and ant-proof coating.
The utility model discloses rational in infrastructure, convenient to use all is equipped with the waterproofing strip and blocks water the powder between single conductor and the whole root sleeve pipe, and the effectual cable that blocks water of having solved prior art has the effect of blocking water poor and uses inconvenient technical problem.
Drawings
Fig. 1 is a schematic view of the structure of the wire of the present invention;
fig. 2 is a schematic view of the line body structure of the present invention.
In the figure, 1, a conductor 2, a tin-plated layer 3, waterproof glue 4, an inner woven fabric layer 5, inner water-blocking powder 6, a water-blocking tape 7, a rubber insulating layer 8, an outer woven fabric layer 9, outer water-blocking powder 10, a tensile rope body 11, an outer water-blocking tape 12, a woven armor layer 13, a filling layer 14 and a sheath.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the embodiments described below are some, but not all embodiments of the present invention. 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.
Example 1: according to fig. 1-2, a longitudinal water-blocking cable comprises a plurality of twisted conductors 1; a tin coating layer 2 is arranged outside the conductor; an inner woven fabric layer 4 is arranged outside the stranded twisted conductor; waterproof glue 3 is arranged between the conductor tinning layer and the inner woven cloth layer and in gaps; the outer surface of the inner woven fabric layer is sequentially provided with inner water blocking powder 5, a water blocking tape 6, a rubber insulating layer 7 and an outer woven fabric layer 8; the outer surfaces of the outer fabric layers are sequentially provided with an outer water-blocking tape 11, a woven armor layer 12, a filling layer 13 and a sheath 14; and an outer water-blocking powder 9 and a tensile rope body 10 are arranged between the outer fabric layer and the outer water-blocking belt.
The application carries out moisture protection and water prevention through the outer water-blocking tape 11 and the outer water-blocking powder 9; at the joint position, the sheath, the outer water-blocking tape 11 and the outer water-blocking powder 9 need to be broken, and the water-blocking powder 5 and the water-blocking tape 6 still can have good effects; the waterproof glue 3 can prevent moisture from intruding along the conductor gap. When the sheath cracks accidentally, the outer water-blocking tape 11 and the outer water-blocking powder 9 lose effect, the water-blocking powder 5 and the water-blocking tape 6 can play a good role, and secondary guarantee is formed.
The inner water-blocking powder and the outer water-blocking powder adopt acrylic water-blocking powder; and polyester belt layers are respectively arranged on two sides of the inner water-blocking powder and the outer water-blocking powder for wrapping.
The water-blocking tape and the outer water-blocking tape comprise a base layer of polyester fabric and expansion particles bonded on the base layer, and the expansion particles are made of cellulose, acrylamide and acrylic acid polymers.
The filling layer adopts rubber filler, increases the deformation buffering after receiving the extrusion.
The sheath is a TPU sheath or a TPE sheath.
And the outer surface of the sheath is coated with a rat-proof and ant-proof coating.
In example 2, water-blocking ointment was filled between the tin-plated layer of the conductor and the inner woven fabric layer and in the gap.
In embodiment 3, in the manufacturing process of the present application, the structure of the cable, such as the number of cores, the cross section of the conductor, etc., is designed according to the power of the transmission circuit; the conductor is made of high-quality oxygen-free copper, a tin coating is added on the surface of the conductor, and the flexibility of the conductor is improved after an annealing process; simultaneously, water-blocking ointment or water-blocking glue is added when the conductor is twisted; after the conductor is twisted, an inner spinning layer, water-blocking powder and a water-blocking tape are sequentially wound on the surface of the conductor; then a layer of rubber insulation is extruded and wound on the outer fabric layer.
3-4 outer fabric layers are twisted together with the tensile rope body, and outer water-blocking powder, an outer water-blocking tape, a woven armor layer and a filling layer are sequentially wound outside the tensile rope body, and finally the jacket is extruded and packaged.
The conductor uses high-quality oxygen-free copper, the surface is additionally provided with a tin coating, and the copper body and the water-blocking ointment or water-blocking glue are separated by the tin coating, so that the copper body and the water-blocking powder or the water-blocking glue cannot be in direct contact, and the conductive performance of the conductor is not influenced.
The above, only be the feasible embodiment of preferred of the utility model, not for limiting the patent scope of the utility model, the event all uses the equivalent structure change that the content of the description did of the utility model discloses an all contain the protection scope of the utility model.
Claims (6)
1. A longitudinal water-blocking cable comprising a plurality of twisted conductors; a tin coating is arranged outside the conductor; the multi-strand twisted conductor is characterized in that an inner woven fabric layer is arranged outside the multi-strand twisted conductor; waterproof glue is arranged between the conductor tinning layer and the inner woven cloth layer and in gaps; the outer surface of the inner woven fabric layer is sequentially provided with inner water blocking powder, a water blocking tape, a rubber insulating layer and an outer woven fabric layer; the outer surfaces of the outer fabric layers are sequentially provided with an outer water-blocking tape, a woven armor layer, a filling layer and a sheath; and outer water-blocking powder and a tensile rope body are arranged between the outer fabric layer and the outer water-blocking belt.
2. The longitudinal water-blocking cable of claim 1, wherein said inner and outer water-blocking powders are acrylic water-blocking powders; and polyester belt layers are respectively arranged on two sides of the inner water-blocking powder and the outer water-blocking powder for wrapping.
3. The longitudinal water-blocking cable of claim 1, wherein the water-blocking tape and the outer water-blocking tape comprise a base layer of polyester fabric and intumescent particles bonded to the base layer, the intumescent particles being made of cellulose, acrylamide, or acrylic polymer.
4. A longitudinal water-blocking cable according to claim 1, wherein the filler layer is a rubber filler.
5. A longitudinal water-blocking cable according to claim 1, wherein the sheath is a TPU or TPE sheath.
6. A longitudinal water-blocking cable according to claim 1, wherein the sheath is coated externally with a rat and termite resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443455.5U CN210984358U (en) | 2019-08-30 | 2019-08-30 | Longitudinal water-blocking cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443455.5U CN210984358U (en) | 2019-08-30 | 2019-08-30 | Longitudinal water-blocking cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984358U true CN210984358U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921443455.5U Active CN210984358U (en) | 2019-08-30 | 2019-08-30 | Longitudinal water-blocking cable |
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| CN (1) | CN210984358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133483A (en) * | 2020-09-14 | 2020-12-25 | 重庆泰山电缆有限公司 | Submarine cable conductor and manufacturing method |
-
2019
- 2019-08-30 CN CN201921443455.5U patent/CN210984358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133483A (en) * | 2020-09-14 | 2020-12-25 | 重庆泰山电缆有限公司 | Submarine cable conductor and manufacturing method |
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