CN107359003B - WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously - Google Patents
WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously Download PDFInfo
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- CN107359003B CN107359003B CN201710666615.1A CN201710666615A CN107359003B CN 107359003 B CN107359003 B CN 107359003B CN 201710666615 A CN201710666615 A CN 201710666615A CN 107359003 B CN107359003 B CN 107359003B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1865—Sheaths comprising braided non-metallic layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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Abstract
The invention relates to the field of cables, in particular to a WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously. The cable comprises a conductor and an insulating layer, and is characterized in that the conductor is stranded with a water-blocking rope, a waterproof layer is wrapped outside the waterproof layer, a first insulating layer is wrapped outside the waterproof layer, optical fibers are uniformly distributed in the first insulating layer, an anti-corrosion alloy layer is wrapped outside the first insulating layer, a second insulating layer is arranged outside the anti-corrosion alloy layer, a braiding layer is arranged outside the second insulating layer, the braiding layer is formed by braiding Kevlar fibers, the outer surface of the braiding layer is purely round and forms dynamic seal with a choke tube, the smoothness of a well is improved to a great extent, the Kevlar fiber braiding layer replaces a steel wire armor layer to serve as a protection and tensile layer of the cable, compared with the armored cable, the tensile strength and flexibility of the cable are improved by about 3 times, the self weight of the cable is reduced by 2/5, and the dead weight of the cable can be effectively reduced.
Description
Technical Field
The invention relates to the field of cables, in particular to a WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously.
Background
The load-bearing detection cable is used as a connecting wire for measuring a well instrument, and has the function of bearing equipment while transmitting signals. The finished product diameter of the load-bearing detection cable is small while measuring, but the load-bearing detection cable is required to have higher bearing capacity, the tensile strength of the cable can not be achieved in the quick well lifting process, the conventional logging cable can not meet the current use requirement, and the change is needed to meet the market demand for the cable.
The cable core structure of the existing logging cable is in the forms of conductors, insulation, shielding, (wrapping tape) and metal armor, and the cable of the type inevitably has the following problems in the logging process:
1. the armored steel wire has poor stability, and the single steel wire is easy to jump and bulge after being stressed;
2. the tensile strength of the cable can only meet the use requirement, and the working efficiency is limited;
3. the service life of the steel wire armored cable is low;
in view of the foregoing, it is desirable to design a new cable to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a WMF load-bearing detection cable which is light in weight, high in tensile strength and good in flexibility and can be used for measuring and adjusting load at the same time in order to make up the defects of the prior art.
The invention is realized by the following technical scheme:
the WMF high-strength high-toughness load-bearing detection cable comprises a conductor and an insulating layer, and is characterized in that the conductor is wrapped by the insulating layer, the outer side of the insulating layer is a woven layer, the woven layer is formed by weaving Kevlar fibers, and the outer surface of the woven layer is purely round.
Furthermore, the outside of weaving layer is equipped with the armor, the armor is formed by many steel wire armoring, can further increase the intensity of cable, protection inner structure.
The outer side of the braiding layer can be provided with a sheath layer, so that the cable is further protected from corrosion.
The conductor is copper, aluminum or plating metal.
The insulating layer is polypropylene, fluoroplastic, polyethylene, crosslinked polyethylene or polyvinyl chloride.
The cable core of the cable is of a single-core, two-core, three-core, four-core or seven-core structure.
The beneficial effects of the invention are as follows: the WMF high-strength high-toughness load-bearing detection cable is characterized in that the structural design is reasonable, the braiding layer on the outermost layer is braided by Kevlar fibers, the Kevlar braided cable with the same diameter is used as a cable protection and tensile layer instead of a steel wire armor layer, the tensile strength and flexibility of the cable are improved by about 3 times compared with those of the armored cable, the self weight of the cable is reduced by 2/5, the dead weight of the cable can be effectively reduced, the problem of cable breakage caused by the traditional cable in the process of quickly lifting the cable down is solved, meanwhile, the braiding mode of Kevlar fibers is free from the problems of wire jumping and bulging compared with the stranding mode, the outer diameter of the cable is seamless, the cable is tightly combined with a choke tube in the process of lifting the cable down, and the situation that underground high-pressure fluid overflows to the surface of the well is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a WMF high-strength high-toughness load-bearing detection cable according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a WMF high-strength high-toughness load-bearing detection cable according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of a WMF high-strength and high-toughness load-bearing detection cable according to embodiment 3 of the present invention.
In the figure, 1, a conductor, 2, an insulating layer, 3, a braiding layer, 4, an armor layer, 5 and a sheath layer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example 1
Fig. 1 is a schematic diagram of an embodiment of the present invention. As shown in fig. 1, the WMF high-strength high-toughness load-bearing detection cable comprises a conductor 1 and an insulating layer 2, wherein the conductor 1 is positioned in the center of the cable, the conductor 1 is wrapped by the insulating layer 2, the outer side of the insulating layer 2 is provided with a braiding layer 3, the braiding layer 3 is formed by braiding Kevlar fibers, the outer surface of the braiding layer 3 is purely circular, dynamic sealing is formed between the braiding layer 3 and a choke tube, and the well flow smoothness is improved to a great extent.
Example 2
Fig. 2 is a schematic illustration of an embodiment of the present invention. As shown in fig. 2, the WMF high-strength high-toughness load-bearing detection cable comprises a conductor 1 and an insulating layer 2, wherein the conductor 1 is positioned at the center of the cable, the conductor 1 is wrapped by the insulating layer 2, the outer side of the insulating layer 2 is a braiding layer 3, the braiding layer 3 is formed by braiding kevlar fibers, an armor layer 4 is arranged on the outer side of the braiding layer 3, the armor layer 4 is formed by armor of a plurality of steel wires, the strength of the cable can be further increased, and the internal structure is protected.
Example 3
Fig. 3 is a schematic diagram of an embodiment of the present invention. As shown in fig. 3, the WMF high-strength high-toughness load-bearing detection cable comprises a conductor 1 and an insulating layer 2, wherein the conductor 1 is positioned in the center of the cable, the conductor 1 is wrapped by the insulating layer 2, the outer side of the insulating layer 2 is a braiding layer 3, the braiding layer 3 is formed by braiding Kevlar fibers, and a sheath layer 5 is arranged on the outer side of the braiding layer 3 to further protect the interior of the cable from corrosion.
The conductor 1 described in the above embodiment is copper, aluminum or a plating metal; the insulating layer 2 is polypropylene, fluoroplastic, polyethylene, crosslinked polyethylene or polyvinyl chloride; although the above embodiments only give drawings of a single core structure, the cable core of the cable of the present invention may be of a two-core, three-core, four-core or seven-core structure. According to the actual need, a shielding layer and a filling layer can be further arranged between the insulating layer 2 and the weaving layer 3, so that the purity of cable signal transmission is ensured, and underground high-pressure fluid is prevented from overflowing to the well surface along a cable gap.
The traditional load-bearing detection cable adopts double-layer steel wire armor, and the defect is that gaps exist between steel wires and the weight is large. According to the WMF high-strength high-toughness load-bearing detection cable capable of being measured and regulated simultaneously, through brand-new design of the outer layer of the cable, the Kevlar fiber is adopted for weaving, compared with an armored cable, the Kevlar woven cable with the same diameter is improved by about 3 times, the tensile strength and flexibility of the cable are improved, the self weight of the cable is reduced by 2/5, the self weight of the cable can be effectively reduced, the problem of cable breakage caused by the traditional cable in the process of quickly lifting the cable down is solved, meanwhile, the problem of wire jump and bulge does not exist in the weaving mode of the Kevlar fiber compared with the stranding mode, the outer diameter of the cable is seamless, the cable is tightly combined with a choke tube in the process of lifting the cable down, and the situation that underground high-pressure fluid overflows to the well surface does not exist.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a WMF high strength high toughness is surveyed while transferring and is held detection cable, includes conductor (1), insulating layer, its characterized in that, conductor (1) twines with rope (8) that blocks water, outside parcel waterproof layer (6), waterproof layer (6) outside parcel first insulating layer (2), evenly distributed has optic fibre (7) in first insulating layer (2), corrosion-resistant alloy layer (9) of outside parcel of first insulating layer (2), corrosion-resistant alloy layer (9) outside is second insulating layer (10), and second insulating layer (10) outside is weaving layer (3), weaving layer (3) are kevlar fine braiding and form, and the surface of weaving layer (3) is pure circle.
2. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: an armor layer (4) can be arranged on the outer side of the braiding layer (3), and the armor layer (4) is formed by armoring a plurality of steel wires.
3. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: a sheath layer (5) can also be arranged on the outer side of the braiding layer (3).
4. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: the conductor (1) is copper, aluminum or a plating metal.
5. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: the first insulating layer (2) and the second insulating layer (10) are polypropylene, fluoroplastic, polyethylene, crosslinked polyethylene or polyvinyl chloride.
6. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: the water-blocking rope (8) is made of high-speed expansion water-blocking materials and expands for 2-5mm in height per second.
7. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: the corrosion-resistant alloy layer (9) is zinc-nickel alloy.
8. The WMF high strength high toughness load-while-measured cable according to claim 1, characterized in that: the cable core of the cable is of a single-core, two-core, three-core, four-core or seven-core structure.
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CN201710666615.1A CN107359003B (en) | 2017-08-07 | 2017-08-07 | WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously |
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CN201710666615.1A CN107359003B (en) | 2017-08-07 | 2017-08-07 | WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously |
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CN107359003A CN107359003A (en) | 2017-11-17 |
CN107359003B true CN107359003B (en) | 2023-05-05 |
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CN109036649A (en) * | 2018-08-04 | 2018-12-18 | 安徽华能电缆集团有限公司 | A kind of high tenacity insulated cable |
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CN104318985A (en) * | 2014-10-22 | 2015-01-28 | 安徽环宇电缆集团有限公司 | Fireproof abrasion-resistant antioxidant insulation cable |
CN204270681U (en) * | 2014-08-27 | 2015-04-15 | 江苏华能电缆股份有限公司 | A kind of focus test cable |
WO2016008377A1 (en) * | 2014-07-16 | 2016-01-21 | 中天科技海缆有限公司 | Environment-friendly anti-marine-borer double-steel-wire armored optical fiber composite submarine cable |
CN205354729U (en) * | 2016-01-07 | 2016-06-29 | 江苏省高邮地震台 | Deep well cable is surveyd to earth electricity |
CN106057310A (en) * | 2016-07-29 | 2016-10-26 | 山东希尔电缆有限公司 | WMF series sealed wear-resisting load-bearing detection cable |
CN205920814U (en) * | 2016-07-15 | 2017-02-01 | 江苏东强股份有限公司 | Insulating steel wire armouring temperature sensing protection power cable of aluminum alloy core crosslinked polyethylene |
CN106384629A (en) * | 2016-11-30 | 2017-02-08 | 山东希尔电缆有限公司 | High transmission load bearing detection cable |
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2017
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Patent Citations (14)
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US5917977A (en) * | 1997-09-16 | 1999-06-29 | Siecor Corporation | Composite cable |
US5983618A (en) * | 1998-03-31 | 1999-11-16 | Pirelli Cable Corporation | Apparatus, systems and methods for applying filling compound and water absorbing particles in a stranded conductor |
AU6251100A (en) * | 2000-10-05 | 2002-04-11 | Sercel Inc. | Twin-axial electrical cable |
CN2562313Y (en) * | 2002-06-14 | 2003-07-23 | 宝胜科技创新股份有限公司 | Waterproof cable for railway digital signals |
CN101447248A (en) * | 2008-10-13 | 2009-06-03 | 上海南大集团有限公司 | Metalling fibrage shielded heating cable |
CN201562476U (en) * | 2009-12-15 | 2010-08-25 | 上海南大集团有限公司 | Ethylene propylene rubber-insulated metal-sprayed woven fabric-shielded flexible power cable |
CN203573679U (en) * | 2013-10-12 | 2014-04-30 | 河南华泰特种电缆有限公司 | Environment-friendly energy-saving type flexible towing-resistant cable |
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CN204270681U (en) * | 2014-08-27 | 2015-04-15 | 江苏华能电缆股份有限公司 | A kind of focus test cable |
CN104318985A (en) * | 2014-10-22 | 2015-01-28 | 安徽环宇电缆集团有限公司 | Fireproof abrasion-resistant antioxidant insulation cable |
CN205354729U (en) * | 2016-01-07 | 2016-06-29 | 江苏省高邮地震台 | Deep well cable is surveyd to earth electricity |
CN205920814U (en) * | 2016-07-15 | 2017-02-01 | 江苏东强股份有限公司 | Insulating steel wire armouring temperature sensing protection power cable of aluminum alloy core crosslinked polyethylene |
CN106057310A (en) * | 2016-07-29 | 2016-10-26 | 山东希尔电缆有限公司 | WMF series sealed wear-resisting load-bearing detection cable |
CN106384629A (en) * | 2016-11-30 | 2017-02-08 | 山东希尔电缆有限公司 | High transmission load bearing detection cable |
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