CN106057310B - A kind of wear-resisting charge bearing detecting cable of WMF series closed type - Google Patents
A kind of wear-resisting charge bearing detecting cable of WMF series closed type Download PDFInfo
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- CN106057310B CN106057310B CN201610608317.2A CN201610608317A CN106057310B CN 106057310 B CN106057310 B CN 106057310B CN 201610608317 A CN201610608317 A CN 201610608317A CN 106057310 B CN106057310 B CN 106057310B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 90
- 239000010959 steel Substances 0.000 claims abstract description 90
- 239000000565 sealant Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 230000008054 signal transmission Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 229920002521 macromolecule Polymers 0.000 claims description 7
- 239000002861 polymer material Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000035807 sensation Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
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- 230000001066 destructive effect Effects 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/046—Flexible cables, conductors, or cords, e.g. trailing cables attached to objects sunk in bore holes, e.g. well drilling means, well pumps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
-
- 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
- H01B7/1895—Internal space filling-up means
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of wear-resisting charge bearing detecting cables of WMF series closed type, including conductor, insulating layer, shielded layer, armor and restrictive coating, it is characterized in that, the armor is divided into inner armor layer and armoured layer, inner armor layer is that more round steel wires are twisted, armoured layer includes more steel wire ropes, and every steel wire rope is twisted by more soft steel wires.Wherein, the shielding mode of cable replaces semiconductive material by metallic shield, and shield effectiveness is more thorough, and signal transmission is more stable；Between steel wire and steel wire, the gap filling between inner armor layer and armoured layer and between cable and choke tube has fluid sealant or squeezes out sheath, and cable is gone into the well degree-of-difficulty factor reduction, and service life improves, and environmental pollution substantially reduces；Armoured layer changes into multistrand rope by more round wires, and cable flexibility and tensile strength is made to be greatly improved.
Description
Technical field
The present invention relates to field of cables, and in particular to a kind of wear-resisting charge bearing detecting cable of WMF series closed type.
Background technology
Charge bearing detecting cable is as downhole probe measurement connecting line, while load bearing equipment, also has and transmits signal
Effect.By existing logging technique and well logging condition etc. objective factors influenced, often will appear steel wire during cable use
Bulge, jump silk and the problem of environmental pollution, traditional logging cable cannot satisfy the use demand, and there is an urgent need for make changing
Become, to meet the needs of market is to the cable.
Existing logging cable structure is the form of conductor, insulation, shielding, double wire armor, the cable production of the type
There will necessarily be following Railway Project in the process：
1, between steel wire and steel wire, the gap between inner armor layer and armoured layer and between cable and choke tube；
2, outside diameter of cable tolerance hardly results in effective control in wire armoring；
3, the cable flexibility of double wire armor is poor, and bending radius is big, such as patent in the prior art
CN102623102A and CN201717033U discloses the cable of underground detection, using equivalent diameter or the steel of different-diameter
Silk forms double armor structure, although can ensure cable tensile strength and anti-wear, this kind of Structural flexibility is poor,
It is difficult to meet requirement in the environment of high request.
Meanwhile traditional logging cable can be accompanied by steel wire wear and be broken in use, cable tensile strength reduces；
Outer diameter tolerance is larger, chance of going into the well card；High-pressure fluid para-electric cable gap overflow causes large stretch of environmental pollution to well face.
In summary, it is necessary to a kind of new cable is designed, to solve the above problems.
Invention content
In view of the problems of the existing technology, lotus is held the purpose of the present invention is to provide a kind of WMF series closed type is wear-resisting
Cable is detected, which is changed shielding mode and shielded version, effectively carried by the brand-new design to the construction of cable
The usability of high cable, and ensure that signal is pure.
To achieve the above object, a kind of wear-resisting charge bearing detecting cable of WMF series closed type of the present invention, including conductor, insulation
Layer, shielded layer, armor and restrictive coating, wherein armor is divided into inner armor layer and armoured layer, and inner armor layer is more circles
Steel wire is twisted, and armoured layer includes more steel wire ropes, and every steel wire rope is twisted by more soft steel wires.
Further, the conductor is wrapped up by the insulating layer, and the restrictive coating includes inner sheath and oversheath, the insulation
Layer outside is followed successively by the shielded layer, outer glue-line, casing, inner sheath, the inner armor layer, the armoured layer and outer shield
Set, the shielded layer are metal braid.
Further, the shielded layer be brass wire shielding, it is ensured that wired signal transmission it is pure.
Further, filling with sealant between the inner armor layer and the inner sheath, in the adjacent steel of the inner armor layer
Filling with sealant between silk, filling with sealant or extrusion sheath, ensure cable between the inner armor layer and the armoured layer
Seamless presence between inner armor layer and armoured layer, prevents cable inner lead to be corroded and pollute；And cable and choked flow
Gap filling between pipe has fluid sealant or squeezes out sheath, ensures seamless existing dynamic sealing between cable and choke tube, prevents
Only underground high-pressure fluid para-electric cable gap overflow is to well face.
Further, the cable core is single, two cores, three cores, four cores or seven cored structures.
Further, every steel wire rope of the armoured layer all by a core wire and closely surrounds outside core wire
The six roots of sensation peripheral steel wire of side is formed by close quincunx cross section, and seven steel wire diameters are identical.
Further, every steel wire rope of the armoured layer all by a core wire and closely surrounds outside core wire
Several peripheral steel wires of side are formed by close quincunx cross section, and the diameter and peripheral steel wire diameter of the core wire are not
Together, the diameter of core wire and peripheral steel wire and the quantity of required peripheral steel wire are determined according to flexibility demand.
Further, the oversheath is made of macromolecule polymer material, and cable inner wire is protected not corroded, institute
The outer surface for stating oversheath is pure circle type, inside the steel wire rope insertion oversheath macromolecule polymeric material of the armoured layer,
So that cable jacket is combined together with armoured layer.
Further, more steel wire ropes in the embedded oversheath are in be evenly spaced on, between adjacent two steel wire ropes
Spaced distance adjusts the quantity and spacing distance of steel wire rope according to intensity and flexibility requirements.
Further, the armoured layer is in such a way that steel wire rope and round steel wire are arranged alternately, according to intensity and flexibility
It is required that adjusting separately the quantity and spacing distance of steel wire rope and round steel wire.
The wear-resisting charge bearing detecting cable of WMF series closed type of the present invention, the cable have conductor, insulation, shielding, armor with
And restrictive coating, the cable conductor are wrapped up by insulating layer, and shielded layer, outer glue-line, casing, inner sheath are followed successively by the outside of insulating layer,
Inner armor layer, armoured layer and oversheath；The armoured layer is twisted into single-strand rope, more steel wire ropes by soft steel wire
Armouring forms.It is seamless between inner armor layer and armoured layer and between cable and choke tube between the steel wire and steel wire
In the presence of.
The beneficial effects of the invention are as follows：
Improve the shielding mode of cable, shielded layer is brass wire shielding, it is ensured that wired signal transmission it is pure, by metal
Shielding replaces semiconductive material, and shield effectiveness is more thorough, and signal transmission is more stable；Between steel wire and steel wire, inner armor layer with it is outer
Gap filling between armor and between cable and choke tube has fluid sealant or squeezes out sheath, and degree-of-difficulty factor of cable going into the well drops
Low, service life improves, and environmental pollution substantially reduces；Armoured layer changes into multistrand rope by more round wires, makes electricity
Cable is flexible and tensile strength is greatly improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Wherein：1, conductor, 2, insulating layer, 3, shielded layer, 4, outer glue-line, 5, casing, 6, inner sheath, 7, inner armor layer, 8,
Filling, 9, armoured layer, 10, oversheath.
Specific implementation mode
In the following, refer to the attached drawing, makes a more thorough explanation the present invention, shown in the drawings of the exemplary implementation of the present invention
Example.However, the present invention can be presented as a variety of different forms, it is not construed as the exemplary implementation for being confined to describe here
Example.And these embodiments are to provide, it is of the invention full and complete to make, and will fully convey the scope of the invention to this
The those of ordinary skill in field.
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" can include both upper and lower orientation.Device can be positioned in other ways（It is rotated by 90 ° or is located at
Other orientation）, can be interpreted accordingly used herein of the opposite explanation in space.
A kind of wear-resisting charge bearing detecting cable of WMF series closed type of the present invention, structure as shown in Figure 1, cable bosom
For cable conductor 1, cable conductor 1 is wrapped up by insulating layer 2, and the outside of insulating layer 2 is followed successively by the shielded layer 3 of proof copper-wire braided, outer glue
Layer 4, casing 5, inner sheath 6, inner armor layer 7, filling 8, armoured layer 9 and oversheath 10.
Inner armor layer 7 is that more round steel wires are twisted.Armoured layer 9 is twisted into single-strand rope by soft steel wire, more
Root steel wire rope armouring forms, and since armoured layer 9 is twisted by more steel wire ropes, and every steel wire rope is all by more jewelry, expensive clothing and other valuables
Steel wire is twisted, and greatly improves flexibility, and maintain tensile strength.As a preferred embodiment, armoured layer 9 is every
Root steel wire rope is all formed by close plum by a core wire and the six roots of sensation peripheral steel wire closely surrounded on the outside of core wire
Flower-shape cross section, seven steel wire diameters are identical.Such scheme has simple in structure, significant effect, cost and technological requirement
It will not be excessively high.
In addition to this, also other steel wire rope schemes that can be substituted, for example, armoured layer 9 every steel wire rope all by one
Root core wire and several piece peripheral steel wires different from core wire diameter closely surrounded on the outside of core wire are constituted, can
To determine the diameter of core wire and peripheral steel wire and the quantity of required peripheral steel wire according to flexibility demand.It is anti-in order to improve
The diameter of core wire can be set as the diameter more than peripheral steel wire by tensile strength, closely quincunx in order to be surrounded by this way
Shape needs the quantity for increasing peripheral steel wire, such as 9 or 10.
There can also be reduction procedure, for example, 3 soft steel wires only with same diameter are twisted as steel wire rope, Neng Goujin
One step simplifies technique and reduces cost, while realizing flexibility requirements.
As other optional forms, can also armoured layer 9 in such a way that steel wire rope and round steel wire are arranged alternately.
In addition, cable jacket 10 is made of macromolecule polymer material, cable inner wire is protected not corroded, outside
The outer surface of sheath 10 is pure circle type, inside the steel wire rope insertion oversheath macromolecule polymeric material of armoured layer 9 so that electricity
Cable oversheath 10 is combined together with armoured layer 9.
More steel wire ropes in embedded oversheath 10 in being evenly spaced on, between adjacent two steel wire ropes or steel wire rope with
Spaced distance between round steel wire, according to the quantity and spacing distance of intensity and flexibility requirements adjustment steel wire rope according to intensity
The quantity and spacing distance of steel wire rope and round steel wire are adjusted separately with flexibility requirements.
In order to further increase suppleness, inner armor layer 7 can also equally use steel wire rope to carry out armouring.
Make armor become soft, with powerful stretching resistance using the lay configuration of above-mentioned armor, can obtain
Flexible cable with minimum bending radius improves bending resistance, greatly reduces destructive power of the armor to inner lead, protects
Cable core finally extends the service life of whole cable and obtains good using effect, has for underground work and greatly change
It is kind.
When being operated due to detection, down-hole high pressure liquid is often overflowed along cable gap outside well, pollutes environment, therefore good
Seal approach it is extremely important, the present invention has also carried out a large amount of improvement in seal approach.Interior armor 7 and inner sheath 6 it
Between filling with sealant, the filling with sealant between the adjacent wires of interior armor 7 fills between inner armor layer 7 and armoured layer 9
Fluid sealant squeezes out sheath, ensures seamless presence between cable inner armor layer 7 and armoured layer 9, prevents cable inner lead
It is corroded and pollutes；And the gap filling between cable and choke tube has fluid sealant or squeezes out sheath, ensures be deep into well
When lower operation, seamless presence between cable and choke tube prevents underground high-pressure fluid para-electric cable gap overflow to well face.Due to
Between steel wire and steel wire, the gap filling between inner armor layer 7 and armoured layer 9 and between cable and choke tube has fluid sealant
Or sheath is squeezed out, cable is gone into the well degree-of-difficulty factor reduction, and service life improves, and environmental pollution substantially reduces.
Cable conductor 1, according to different needs, being selected as single, two cores, three cores, four cores or seven cored structures.
The cable that the present embodiment is provided, using copper-wire braided layer as shielded layer 3, it is ensured that wired signal transmission it is pure
Only.The shielding mode of cable replaces semiconductive material by metallic shield, and shield effectiveness is more thorough, and signal transmission is more stable.
Armoured layer 9 changes into multistrand rope by more round wires, and cable flexibility and tensile strength is made to obtain pole
The earth improves.
Cable jacket 10 is made of high flexibility macromolecule polymer material, preferred polyamide, the design of oversheath 10
The effective control outside diameter of cable, use of conveniently going into the well reduce the occurrence of meeting card, while protecting cable inner wire not by corruption
Erosion, cable service life are greatly improved.The outer surface of oversheath 10 is almost considered as pure circle type, largely carries
High fluency of going into the well.
Although in the present solution, only giving the attached drawing of single structure, do not change other structures, only changes cable core number
The deformation of other schemes of amount, should be also considered as falling into the protection domain of this programme.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of wear-resisting charge bearing detecting cable of WMF series closed type, including conductor, insulating layer, shielded layer, armor and sheath
Layer, which is characterized in that the armor is divided into inner armor layer and armoured layer, and the conductor is wrapped up by the insulating layer, described
Restrictive coating includes inner sheath and oversheath, and the shielded layer, outer glue-line, casing, inner sheath are followed successively by the outside of the insulating layer, interior
Armor, armoured layer and oversheath；Wherein, inner armor layer is that more round steel wires are twisted, and armoured layer includes more
Steel wire rope, every steel wire rope are twisted by more soft steel wires, and every steel wire rope of armoured layer is all by a center
Steel wire and several peripheral steel wires closely surrounded on the outside of core wire are formed by close quincunx cross section, according to softness
Property demand determines the diameter of core wire and peripheral steel wire and the quantity of required peripheral steel wire；Interior armor and inner sheath it
Between filling with sealant, the filling with sealant between the adjacent wires of interior armor fills close between inner armor layer and armoured layer
Sealing squeezes out sheath, ensures seamless presence between cable inner armor layer and armoured layer, prevents cable inner lead rotten
Erosion and pollution.
2. the wear-resisting charge bearing detecting cable of WMF series closed type according to claim 1, which is characterized in that the shielded layer
For metal braid.
3. the wear-resisting charge bearing detecting cable of WMF series closed type according to claim 2, which is characterized in that the shielded layer
For brass wire shielding, it is ensured that wired signal transmission it is pure.
4. according to the wear-resisting charge bearing detecting cable of claim 1-3 any one of them WMF series closed types, which is characterized in that electricity
Gap filling between cable and choke tube has fluid sealant or squeezes out sheath, ensures seamless presence between cable and choke tube, prevents
Only underground high-pressure fluid para-electric cable gap overflow is to well face.
5. according to the wear-resisting charge bearing detecting cable of claim 1-3 any one of them WMF series closed types, which is characterized in that institute
It is single, two cores, three cores, four cores or seven cored structures to state conductor.
6. according to the wear-resisting charge bearing detecting cable of claim 1-3 any one of them WMF series closed types, which is characterized in that institute
It states every steel wire rope of armoured layer and all by a core wire and closely surrounds the six roots of sensation peripheral steel wire on the outside of core wire
It is formed by close quincunx cross section, seven steel wire diameters are identical.
7. according to the wear-resisting charge bearing detecting cable of claim 1-3 any one of them WMF series closed types, which is characterized in that institute
The diameter for stating core wire is different from peripheral steel wire diameter.
8. according to the wear-resisting charge bearing detecting cable of claim 1-3 any one of them WMF series closed types, which is characterized in that institute
It states oversheath to be made of macromolecule polymer material, cable inner wire is protected not corroded, the outer surface of the oversheath
For pure circle type, inside the steel wire rope insertion oversheath macromolecule polymeric material of the armoured layer so that cable jacket with
Armoured layer is combined together.
9. the wear-resisting charge bearing detecting cable of WMF series closed type according to claim 8, which is characterized in that embedded described outer
More steel wire ropes in sheath are in being evenly spaced on, spaced distance between adjacent two steel wire ropes, according to intensity and soft
Toughness reguirements adjusts the quantity and spacing distance of steel wire rope.
10. the wear-resisting charge bearing detecting cable of WMF series closed type according to claim 1, which is characterized in that described armoured
Layer adjusts separately steel wire rope and round steel wire in such a way that steel wire rope and round steel wire are arranged alternately according to intensity and flexibility requirements
Quantity and spacing distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608317.2A CN106057310B (en) | 2016-07-29 | 2016-07-29 | A kind of wear-resisting charge bearing detecting cable of WMF series closed type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608317.2A CN106057310B (en) | 2016-07-29 | 2016-07-29 | A kind of wear-resisting charge bearing detecting cable of WMF series closed type |
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| Publication Number | Publication Date |
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| CN106057310A CN106057310A (en) | 2016-10-26 |
| CN106057310B true CN106057310B (en) | 2018-08-14 |
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| CN201610608317.2A Active CN106057310B (en) | 2016-07-29 | 2016-07-29 | A kind of wear-resisting charge bearing detecting cable of WMF series closed type |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384629B (en) * | 2016-11-30 | 2018-08-28 | 山东希尔电缆有限公司 | A kind of high-transmission charge bearing detecting cable |
| CN107301890B (en) * | 2017-08-07 | 2023-04-21 | 山东希尔电缆有限公司 | WMF high-toughness low-stress load-bearing detection cable |
| CN107492411B (en) * | 2017-08-07 | 2023-07-04 | 山东希尔电缆有限公司 | WMF high-wear-resistance load-bearing detection cable |
| CN107316685A (en) * | 2017-08-07 | 2017-11-03 | 山东希尔电缆有限公司 | WMF high-intensity sealing charge bearing detecting cables |
| CN107331463A (en) * | 2017-08-07 | 2017-11-07 | 山东希尔电缆有限公司 | WMF adjusts the closed charge bearing detecting cable of dedicated spill-proof stream when surveying |
| CN107359003B (en) * | 2017-08-07 | 2023-05-05 | 山东希尔电缆有限公司 | WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously |
| CN113689975B (en) * | 2020-05-18 | 2023-08-29 | 杭州朗鸿科创科技有限公司 | Quick-charging steel wire cable for commodity burglary prevention |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4544812B2 (en) * | 2002-06-12 | 2010-09-15 | アロカ株式会社 | cable |
| CN201045709Y (en) * | 2007-05-22 | 2008-04-09 | 宁波东方电缆有限公司 | High-voltage undersea cable |
| CN201402629Y (en) * | 2009-05-04 | 2010-02-10 | 江苏亨通电力电缆有限公司 | Fluorplastic insulated fluorplastic inner lining shield anti-corrosion bearing-load detecting cable |
| CN104134490A (en) * | 2014-07-29 | 2014-11-05 | 江苏华能电缆股份有限公司 | Sealed highly voltage-resistant load-bearing detection cable especially for horizontal well |
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Denomination of invention: A WMF series sealed wear-resistant load-bearing detection cable Effective date of registration: 20220111 Granted publication date: 20180814 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan science and technology innovation center sub branch Pledgor: SHANDONG HILL CABLE Co.,Ltd. Registration number: Y2022980000340 |
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Granted publication date: 20180814 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan science and technology innovation center sub branch Pledgor: SHANDONG HILL CABLE Co.,Ltd. Registration number: Y2022980000340 |