CN109666872B - A kind of wire-connection fitting, preparation method and wire-connection method - Google Patents
A kind of wire-connection fitting, preparation method and wire-connection method Download PDFInfo
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- CN109666872B CN109666872B CN201910054169.8A CN201910054169A CN109666872B CN 109666872 B CN109666872 B CN 109666872B CN 201910054169 A CN201910054169 A CN 201910054169A CN 109666872 B CN109666872 B CN 109666872B
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- marmem pipe
- internal layer
- pipe
- outer layer
- marmem
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000003723 Smelting Methods 0.000 claims description 29
- 239000000956 alloy Substances 0.000 claims description 28
- 229910045601 alloy Inorganic materials 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 16
- 239000011265 semifinished product Substances 0.000 claims description 14
- 238000002791 soaking Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 8
- 241001417490 Sillaginidae Species 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 241001062472 Stokellia anisodon Species 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 239000004484 Briquette Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/01—Connections using shape memory materials, e.g. shape memory metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to a kind of wire-connection fittings, preparation method and wire-connection method, splicing fitting includes internal layer marmem pipe and skin marmem pipe, inner wall is equipped with multiple hollow annular radial positioning plates in the middle part of outer layer marmem pipe, the hollow part of radial positioning plate forms the hollow pipeline for accommodating internal layer marmem pipe, internal layer marmem pipe end outer wall is equipped with axially position plate, axially position plate and the radial positioning plate outer end face of outer layer marmem pipe outermost end connect, internal layer marmem pipe and radial positioning plate connect, the both ends of outer layer marmem pipe and internal layer the marmem pipe internal diameter after heated are shunk, conducting wire is imported from the both ends nozzle of internal layer marmem pipe when use, heating internal layer marmem pipe holds it Tight conducting wire internal layer carries core, and heating outer layer marmem pipe makes its wire external layer conductive layer of holding with a firm grip, and wire-connection quality is high.
Description
Technical field
The present invention relates to a kind of wire-connection fitting, preparation method and wire-connection methods, belong to conducting wire used for transmission line
Splicing fitting technical field.
Background technique
Electricity needs sustainable growth and the energy are unevenly distributed the fast development that weighing apparatus drives long range, trans-regional transmission of electricity,
However limited by conductor length, it needs splicing fitting to realize the connection between conducting wire, could complete uninterruptedly to transmit electricity.It is common at present
Wire-connection fitting there are two types of, one is hydraulic splicing sleeves, and one is preformed full tension connecting strips.
The work progress of hydraulic splicing sleeve is related to press-connection machine selection, mold matching, cleaning, brushes electric power rouge, cut, wear
8 procedures such as pipe, crimping, quality testing, every procedure are all associated with by force with constructor, this results in different constructors due to skilled
The difference of degree, sense of responsibility, causes connecting quality very different；Since compression joint technique control is improper, it may occur that crimping position offset
The defects of causing local overload, mold selection mistake to lead to insufficient grip, splicing sleeve bending.Preformed full tension connecting strip due to
Kelvin effect and high contact resistance are easy to appear the phenomenon that generating heat at connecting, influence line security during being on active service；It is pre- simultaneously
The problems such as between hank knotting screw pitch, there is gap between monofilament and monofilament, crevice corrosion easily occurs in the presence of a harsh environment, causes to break
Stock, and the work progress of preformed full tension connecting strip is full winding by hand, large labor intensity.
Therefore, safe and reliable novel splicing fitting is developed, the wire-connection construction process of simplification, medelling is formulated,
To transmission line safety is improved, improves wire-connection construction efficiency and have great importance.
Summary of the invention
The technical problem to be solved by the present invention is asking to solve existing splicing fitting the technology of the connecting quality difference of conducting wire
Topic provides a kind of wire-connection fitting, preparation method and wire-connection method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of wire-connection fitting, the outer layer marmem pipe including internal layer marmem pipe and conduction, outside
Layer marmem pipe is long compared with the length of internal layer marmem pipe, the inner wall in the middle part of the outer layer marmem pipe
On its circumferencial direction is provided with multiple hollow annular radial positioning plates, the hollow part of the multiple radial positioning plate is formed
The hollow pipeline for accommodating internal layer marmem pipe, along its circumference side on the outer wall of internal layer marmem pipe end
To being provided with axially position plate, the radial positioning plate outer end face contact of axially position plate and outer layer marmem pipe outermost end
Connection, internal layer marmem pipe and the multiple radial positioning plate connect, the outer layer marmem pipe
Both ends and internal layer the marmem pipe internal diameter after heated are shunk, and the transition temperature T1 of outer layer marmem pipe is greater than
The transition temperature T2 of internal layer marmem pipe.
Preferably, the outer layer marmem pipe and internal layer marmem pipe are in radial and axial upper center weight
It closes.
Preferably, the outer layer shape alloy electrostatic storage tube and the radial positioning plate by shape memory alloy material one at
Type, the internal layer shape alloy electrostatic storage tube are integrally formed with the axially position plate by shape memory alloy material.
Preferably, the outer layer shape alloy electrostatic storage tube uses copper-based shape memory alloy, the internal layer shape alloy note
Pipe is recalled using iron-base marmem.
Preferably, component of the outer layer marmem pipe comprising following parts by weight: 4~15wt% aluminium, 1~
5wt% nickel, 0.5~3wt% titanium, 1~3wt% manganese, remaining is copper.
Preferably, component of the internal layer marmem pipe comprising following parts by weight: 15~25wt% manganese, 3~
10wt% silicon, 5~10wt% chromium, 1~3wt% rare earth, remaining is iron.
The present invention also provides a kind of preparation methods of above-mentioned wire-connection fitting, comprising the following steps:
Prepare above-mentioned internal layer marmem pipe and outer layer marmem pipe；
By the hollow part of multiple radial positioning plates of internal layer marmem pipe insertion outer layer marmem pipe
In the hollow pipeline of formation, make the radial positioning plate outer end face contact of axially position plate Yu outer layer marmem pipe outermost end
Connection；
Internal diameter expansion is carried out to internal layer marmem pipe, makes internal layer marmem pipe outer wall and radial direction after expansion
Positioning plate connects；
Internal diameter expansion is carried out to outer layer marmem pipe both ends.
Preferably, the outer layer marmem pipe the preparation method comprises the following steps:
It smelts: aluminium block, nickel block, titanium block, manganese block and copper billet is added in smelting furnace and be heated to 1500-1700 DEG C of smelting
15-30 minutes, then coverture is added by 0.2~0.4wt% of metal quality in smelting furnace, continue smelting at 1500-1700 DEG C
Refining melts the material in smelting furnace all, obtains molten alloyed copper；The coverture is 30-40:60-70's by mass ratio
Na3AlF6It is mixed with NaCl；
Casting: molten alloyed copper is poured into mold and is cast, outer layer marmem pipe semi-finished product are made；
Heat treatment: by outer layer marmem pipe semi-finished product temperature be 700~780 DEG C, soaking time be 2~5h,
Transfer time < 30s, coolant liquid temperature be 35 DEG C of < under conditions of quench, then temperature be 500~580 DEG C, soaking time
To be tempered under conditions of 2~5h, finally timeliness under conditions of temperature is 160~190 DEG C, soaking time is 4~6h, is obtained
Outer layer marmem pipe.
Preferably, the internal layer marmem pipe the preparation method comprises the following steps:
It smelts: manganese block, silico briquette, chromium block and iron block being added in smelting furnace and are heated to 1500-1700 DEG C of smelting 10-20 points
Clock adds rare earth, smelts 10-20 minutes at 1500-1700 DEG C, finally by metal quality in smelting furnace 0.2~
Coverture is added in 0.4wt%, continues melting at 1500-1700 DEG C, melts the material in smelting furnace all, obtains ferroalloy
Melt；CaO, SiO that the coverture is 15-25:35-45:30-50 by mass ratio2With Al2O3It mixes；
Casting: ferroalloy melt is poured into mold and is cast, internal layer marmem pipe semi-finished product are made；
Heat treatment: internal layer marmem pipe semi-finished product are kept the temperature into 2~5h under conditions of temperature is 1250-1350 DEG C
Carry out Homogenization Treatments, then carry out at room temperature it is air-cooled, then in the item that temperature is 700~800 DEG C, soaking time is 2~5h
Ageing treatment is carried out under part, obtains internal layer marmem pipe.
The present invention also provides a kind of methods for carrying out wire-connection using above-mentioned wire-connection fitting, include the following steps:
The outer layer conductive layer of wire termination to be connected is stripped, the conducting wire internal layer connected carrying core will be needed to isolate
Come；
Conducting wire internal layer carrying core is directed respectively into from the both ends nozzle of internal layer marmem pipe, and is remembered in internal layer shape
Recall the touching of compo pipe interior thereof；
Internal layer marmem pipe is heated to transition temperature T2 or more, makes internal layer marmem pipe that internal diameter occur
It shrinks and conducting wire internal layer carrying core of holding with a firm grip；
Outer layer marmem pipe is heated to transition temperature T1 or more, sends out the end of first shape memory alloy pipes
Raw internal diameter is shunk and the outer layer conductive layer for conducting wire of holding with a firm grip.
The beneficial effects of the present invention are:
Wire-connection fitting of the invention includes the outer layer marmem pipe of internal layer marmem pipe and conduction,
When use by two conducting wires wait connect from stretched internal diameter after the both ends nozzle of internal layer marmem pipe be directed respectively into,
Internal layer marmem pipe is first heated to transition temperature T2 or more, internal layer marmem pipe is held with a firm grip the interior of two conducting wires
Layer carrying core, is heated to transition temperature T1 or more for outer layer marmem pipe, and outer layer marmem pipe is held with a firm grip conducting wire
Outer layer conductive layer, using the marmem splicing fitting can facilitate realize conducting wire connection, connect conducting wire construction effect
Rate is high, connecting quality is not influenced by constructor, and is able to achieve good grip, moreover it is possible to guarantee the safety of transmission line of electricity；Into one
Step, internal layer shape alloy electrostatic storage tube use iron-base marmem, and cost is relatively low for iron-base marmem, can play good
Good carrying effect, but it is conductive insufficient, and outer layer shape alloy electrostatic storage tube uses copper-based shape memory alloy, electric conductivity
It is good, it can thus ensure that the load-carrying ability and electric conductivity of connector.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the cross-sectional view of wire-connection fitting of the present invention；
Appended drawing reference in figure are as follows: 1- outer layer shape alloy electrostatic storage tube, 2- radial positioning plate, 3- axially position plate, in 4-
Layer shape alloy electrostatic storage tube.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
The present embodiment provides a kind of wire-connection fittings, as shown in Figure 1, including internal layer marmem pipe 4 and conduction
Outer layer marmem pipe 1, outer layer marmem pipe 1 is long compared with the length of internal layer marmem pipe 4, described outer
Its circumferencial direction is provided with multiple hollow 2 (this reality of annular radial positioning plate on the inner wall at 1 middle part of layer marmem pipe
The radial positioning plate 2 for applying example is three, or two, four or more), in the multiple radial positioning plate 2
Empty position forms the hollow pipeline for accommodating internal layer marmem pipe 4, the outer wall of 4 end of internal layer marmem pipe
On its circumferencial direction is provided with semi-circular axially position plate 3, axially position plate 3 and 1 outermost end of outer layer marmem pipe
2 outer end face of radial positioning plate connect, internal layer marmem pipe 4 and the multiple radial positioning plate 2 connect,
Outer layer marmem pipe 1 is overlapped with internal layer marmem pipe 4 at radial and axial upper center, the outer layer shape note
Both ends and internal layer marmem pipe 4 internal diameter after heated for recalling compo pipe 1 are shunk, outer layer marmem pipe 1
Transition temperature T1 is greater than the transition temperature T2 of internal layer marmem pipe 4；The both ends of the outer layer marmem pipe 1
Internal diameter be greater than wire diameter, the both ends of outer layer marmem pipe 1 are after being heated to transition temperature T1 and shrinking, internal diameter
Less than wire diameter, the internal diameter of the internal layer marmem pipe 4 is greater than the outer diameter of conducting wire internal layer carrying core, internal layer shape note
Compo pipe 4 is recalled after being heated to transition temperature T2 and shrinking, and internal diameter is less than the outer diameter of conducting wire internal layer carrying core；
Further, the outer layer shape alloy electrostatic storage tube 1 is with the radial positioning plate 2 by shape memory alloy material one
Molding, it is preferred to use copper-based shape memory alloy；The internal layer shape alloy electrostatic storage tube 4 and the axially position plate 3 are by shape
Memory alloy material is integrally formed, it is preferred to use iron-base marmem.
The present embodiment also provides a kind of preparation method of above-mentioned wire-connection fitting, comprising the following steps:
Internal layer marmem pipe 4 is inserted into the hollow portion of multiple radial positioning plates 2 of outer layer marmem pipe 1
In the hollow pipeline that position is formed, make 2 outer end of radial positioning plate of axially position plate 3 Yu 1 outermost end of outer layer marmem pipe
Face contact connection；
Internal diameter expansion is carried out to internal layer marmem pipe 4, makes 4 outer wall of internal layer marmem pipe and diameter after expansion
It is connected to positioning plate 2；
Internal diameter expansion is carried out to 1 both ends of outer layer marmem pipe.
The present embodiment also provides a kind of method for carrying out wire-connection using above-mentioned wire-connection fitting, including walks as follows
It is rapid:
The outer layer conductive layer of wire termination to be connected is stripped, the conducting wire internal layer connected carrying core will be needed to isolate
Come；
Conducting wire internal layer carrying core is directed respectively into from the both ends nozzle of internal layer marmem pipe 4, and in internal layer shape
The touching of 4 interior thereof of memory alloy pipes；
Internal layer marmem pipe 4 is heated to transition temperature T2 or more, internal layer marmem pipe 4 occurs interior
Diameter is shunk and conducting wire internal layer carrying core of holding with a firm grip；
Outer layer marmem pipe 1 is heated to transition temperature T1 or more, makes the end of first shape memory alloy pipes
Internal diameter occurs to shrink and the outer layer conductive layer for conducting wire of holding with a firm grip.
Embodiment 2
The present embodiment provides the preparation methods of a kind of outer layer shape alloy electrostatic storage tube and internal layer shape alloy electrostatic storage tube:
The preparation of outer layer shape alloy electrostatic storage tube: by 4 parts by weight aluminium blocks, 5 parts by weight nickel blocks, 0.5 parts by weight titanium block, 3 weights
Amount part manganese block and 87.5 parts by weight copper billets, which are added in smelting furnace and are heated to 1500 DEG C, to be smelted 30 minutes, then is added into smelting furnace
0.2 parts by weight mass ratio is the Na of 30:703AlF6With NaCl mixture, continue to smelt at 1500 DEG C, makes the material in smelting furnace
Material all fusings, obtain molten alloyed copper；Molten alloyed copper is poured into mold and is cast, outer layer marmem pipe half is made
Finished product；By outer layer marmem pipe semi-finished product temperature be 700 DEG C, soaking time 5h, transfer time < 30s, cooling
The temperature of liquid quenches under conditions of being 35 DEG C of <, then is tempered under conditions of temperature is 500 DEG C, soaking time is 5h, most
Timeliness under conditions of temperature is 160 DEG C, soaking time is 6h afterwards, obtains outer layer marmem pipe 1, transition temperature is
300℃；
The preparation of internal layer shape alloy electrostatic storage tube: by 15 parts by weight manganese blocks, 10 parts by weight silico briquettes, 5 parts by weight chromium blocks and 45
Parts by weight iron block, which is added in smelting furnace and is heated to 1500 DEG C, to be smelted 20 minutes, 25 parts by weight rare earths is added, at 1500 DEG C
It smelts 20 minutes, it is 25:45:30CaO, SiO that 0.2 parts by weight mass ratio is finally added into smelting furnace2With Al2O3Mixture, In
Continue melting at 1500 DEG C, melts the material in smelting furnace all, obtain ferroalloy melt；Ferroalloy melt is poured into mold
Internal layer marmem pipe semi-finished product are made in middle casting；It is in temperature by internal layer iron-base marmem pipe semi-finished product
Under conditions of 1250 DEG C keep the temperature 5h carry out Homogenization Treatments, then carry out at room temperature it is air-cooled, then temperature be 700 DEG C, heat preservation when
Between to carry out ageing treatment under conditions of 5h, obtain internal layer marmem pipe, transition temperature is 252 DEG C.
Embodiment 3
The present embodiment provides the preparation methods of a kind of outer layer shape alloy electrostatic storage tube and internal layer shape alloy electrostatic storage tube:
The preparation of outer layer shape alloy electrostatic storage tube: by 15 parts by weight aluminium blocks, 1 parts by weight nickel block, 3 parts by weight titanium blocks, 1 weight
Part manganese block and 80 parts by weight copper billets, which are added in smelting furnace and are heated to 1700 DEG C, to be smelted 15 minutes, then 0.4 is added into smelting furnace
Parts by weight mass ratio is the Na of 40:603AlF6With NaCl mixture, continue to smelt at 1700 DEG C, keeps the material in smelting furnace complete
Portion's fusing, obtains molten alloyed copper；Molten alloyed copper is poured into mold and is cast, be made outer layer marmem pipe half at
Product；By outer layer marmem pipe semi-finished product temperature be 780 DEG C, soaking time 2h, transfer time < 30s, coolant liquid
Temperature be 35 DEG C of < under conditions of quench, then be tempered under conditions of temperature is 580 DEG C, soaking time is 2h, finally
Timeliness under conditions of temperature is 190 DEG C, soaking time is 4h obtains outer layer marmem pipe 1, transition temperature 310
℃；
The preparation of internal layer shape alloy electrostatic storage tube: by 25 parts by weight manganese blocks, 3 parts by weight silico briquettes, 10 parts by weight chromium blocks and 47
Parts by weight iron block, which is added in smelting furnace and is heated to 1700 DEG C, to be smelted 10 minutes, 15 parts by weight rare earths is added, at 1700 DEG C
It smelts 10 minutes, CaO, SiO that 0.4 parts by weight mass ratio is 15:35:50 is finally added into smelting furnace2With Al2O3Mixture,
Continue melting at 1700 DEG C, melts the material in smelting furnace all, obtain ferroalloy melt；Ferroalloy melt is poured into mould
It casts in tool, internal layer marmem pipe semi-finished product is made；It is in temperature by internal layer copper-based shape memory alloy pipe semi-finished product
Under conditions of 1350 DEG C keep the temperature 2h carry out Homogenization Treatments, then carry out at room temperature it is air-cooled, then temperature be 800 DEG C, heat preservation
Time carries out ageing treatment under conditions of being 2h, obtains internal layer marmem pipe 4, and transition temperature is 280 DEG C.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of wire-connection fitting, which is characterized in that the outer layer shape note including internal layer marmem pipe (4) and conduction
Recall compo pipe (1), outer layer marmem pipe (1) is long compared with the length of internal layer marmem pipe (4), the outer layer shape
Its circumferencial direction is provided with multiple hollow annular radial positioning plates (2) on inner wall in the middle part of memory alloy pipes (1), it is described more
The hollow part of a radial positioning plate (2) forms the hollow pipeline for accommodating internal layer marmem pipe (4), the internal layer shape
It is provided with axially position plate (3) on the outer wall of memory alloy pipes (4) end along its circumferencial direction, axially position plate (3) and outer layer
Radial positioning plate (2) outer end face of marmem pipe (1) outermost end connects, internal layer marmem pipe (4) with
The multiple radial positioning plate (2) connects, the both ends of the outer layer marmem pipe (1) and internal layer shape memory
Compo pipe (4) internal diameter after heated is shunk, and the transition temperature T1 of outer layer marmem pipe (1) is closed greater than internal layer shape memory
The transition temperature T2 of gold pipe (4).
2. wire-connection fitting according to claim 1, which is characterized in that the outer layer marmem pipe (1) with
Internal layer marmem pipe (4) is overlapped at radial and axial upper center.
3. wire-connection fitting according to claim 1 or 2, which is characterized in that the outer layer shape alloy electrostatic storage tube (1)
Be integrally formed with the radial positioning plate (2) by shape memory alloy material, the internal layer shape alloy electrostatic storage tube (4) with it is described
Axially position plate (3) is integrally formed by shape memory alloy material.
4. wire-connection fitting according to claim 1 or 2, which is characterized in that the outer layer shape alloy electrostatic storage tube is adopted
With copper-based shape memory alloy, the internal layer shape alloy electrostatic storage tube uses iron-base marmem.
5. wire-connection fitting according to claim 4, which is characterized in that outer layer marmem pipe (1) packet
Component containing following parts by weight: 4~15wt% aluminium, 1~5wt% nickel, 0.5~3wt% titanium, 1~3wt% manganese, remaining is copper.
6. wire-connection fitting according to claim 5, which is characterized in that internal layer marmem pipe (4) packet
Component containing following parts by weight: 15~25wt% manganese, 3~10wt% silicon, 5~10wt% chromium, 1~3wt% rare earth, remaining is
Iron.
7. a kind of preparation method of wire-connection fitting, which comprises the following steps:
Prepare internal layer marmem pipe (4) described in outer layer marmem pipe (1) as claimed in claim 6；
By the hollow of multiple radial positioning plates (2) of internal layer marmem pipe (4) insertion outer layer marmem pipe (1)
In the hollow pipeline that position is formed, make the radial positioning plate of axially position plate (3) Yu outer layer marmem pipe (1) outermost end
(2) outer end face connects；
Internal diameter expansion is carried out to internal layer marmem pipe (4), makes internal layer marmem pipe (4) outer wall and diameter after expansion
It is connected to positioning plate (2)；
Internal diameter expansion is carried out to outer layer marmem pipe (1) both ends.
8. the preparation method of wire-connection fitting according to claim 7, which is characterized in that the outer layer shape memory closes
Gold pipe (1) the preparation method comprises the following steps:
It smelts: aluminium block, nickel block, titanium block, manganese block and copper billet being added in smelting furnace and are heated to 1500-1700 DEG C of smelting 15-30
Minute, then coverture is added by 0.2~0.4wt% of metal quality in smelting furnace, continue to smelt at 1500-1700 DEG C, make
Material in smelting furnace all melts, and obtains molten alloyed copper；The Na that the coverture is 30-40:60-70 by mass ratio3AlF6
It is mixed with NaCl；
Casting: molten alloyed copper is poured into mold and is cast, outer layer marmem pipe semi-finished product are made；
Heat treatment: by outer layer marmem pipe semi-finished product temperature is 700~780 DEG C, soaking time is 2~5h, transfer
Time < 30s, coolant liquid temperature be 35 DEG C of < under conditions of quench, then temperature be 500~580 DEG C, soaking time be 2~
It is tempered under conditions of 5h, finally timeliness under conditions of temperature is 160~190 DEG C, soaking time is 4~6h, obtains outer layer
Marmem pipe (1).
9. the preparation method of wire-connection fitting according to claim 7 or 8, which is characterized in that the internal layer shape note
Recall compo pipe (4) the preparation method comprises the following steps:
It smelts: manganese block, silico briquette, chromium block and iron block is added in smelting furnace and is heated to 1500-1700 DEG C of smelting 10-20 minutes,
Rare earth is added, is smelted at 1500-1700 DEG C 10-20 minutes, finally by 0.2~0.4wt% of metal quality in smelting furnace
Coverture is added, continues melting at 1500-1700 DEG C, melts the material in smelting furnace all, obtains ferroalloy melt；Institute
State CaO, SiO that coverture is 15-25:35-45:30-50 by mass ratio2With Al2O3It mixes；
Casting: ferroalloy melt is poured into mold and is cast, internal layer marmem pipe semi-finished product are made；
Heat treatment: by internal layer marmem pipe semi-finished product, 2~5h of heat preservation is carried out under conditions of temperature is 1250-1350 DEG C
Homogenization Treatments, then carry out at room temperature it is air-cooled, then under conditions of temperature is 700~800 DEG C, soaking time is 2~5h
Ageing treatment is carried out, internal layer marmem pipe (4) are obtained.
10. a kind of method for carrying out wire-connection using wire-connection fitting described in any one of claims 1-6, feature exist
In including the following steps:
The outer layer conductive layer of wire termination to be connected is stripped, the conducting wire internal layer connected carrying core will be needed to separate；
Conducting wire internal layer carrying core is directed respectively into from the both ends nozzle of internal layer marmem pipe (4), and is remembered in internal layer shape
Recall the touching of compo pipe (4) interior thereof；
Internal layer marmem pipe (4) is heated to transition temperature T2 or more, is made in internal layer marmem pipe (4) generation
Diameter is shunk and conducting wire internal layer carrying core of holding with a firm grip；
Outer layer marmem pipe (1) is heated to transition temperature T1 or more, makes the end of outer layer marmem pipe (1)
Internal diameter occurs to shrink and the outer layer conductive layer for conducting wire of holding with a firm grip.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2579379B1 (en) * | 1985-03-19 | 1988-02-26 | Souriau & Cie | CONNECTING ELEMENT BETWEEN AN ELECTRICAL CONDUCTOR AND A CONNECTOR CONTACT |
| DE19843966C1 (en) * | 1998-09-24 | 2000-04-13 | Daimler Chrysler Ag | Temperature controlled wire holder |
| US7207816B1 (en) * | 2005-11-18 | 2007-04-24 | Hamilton Sundstrand Corporation | Gas tight electrical connections with shape memory retainers |
| RU2537967C2 (en) * | 2010-02-18 | 2015-01-10 | 3М Инновейтив Пропертиз Компани | Compression connector and mounting assembly for composite cables and methods for their manufacture and use |
| CN102401939A (en) * | 2010-09-07 | 2012-04-04 | 西安金和光学科技有限公司 | Optical fiber butt joint device |
| CN103163595A (en) * | 2011-12-19 | 2013-06-19 | 西安金和光学科技有限公司 | Optical fiber splicer |
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