CN101500843A - Connector cable with lugs - Google Patents
Connector cable with lugs Download PDFInfo
- Publication number
- CN101500843A CN101500843A CNA2007800285729A CN200780028572A CN101500843A CN 101500843 A CN101500843 A CN 101500843A CN A2007800285729 A CNA2007800285729 A CN A2007800285729A CN 200780028572 A CN200780028572 A CN 200780028572A CN 101500843 A CN101500843 A CN 101500843A
- Authority
- CN
- China
- Prior art keywords
- weld tabs
- lead
- iron
- groove part
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- H01R4/02—Soldered or welded connections
- H01R4/023—Soldered or welded connections between cables or wires and terminals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M5/00—Arrangements along running rails or at joints thereof for current conduction or insulation, e.g. safety devices for reducing earth currents
-
- 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
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- 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
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/16—End pieces terminating in a soldering tip or socket
-
- 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
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
- H01R4/203—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact
- H01R4/206—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact with transversal grooves or threads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
A connector cable comprising a conductor cable; and an iron lug for thermite welding inside which the conductor cable is inserted, and press-formed to a predetermined shape; wherein one or more groove portions are formed on an outer surface of the iron lug so as to make the inner surface of the iron lug press against the conductor cable; and at least one groove portion is positioned outside the welded portion after thermite welding. The connector cable for thermite welding is easier to inspect and has a larger welding area than conventional cables.
Description
Technical field
The present invention relates to a kind of bonding wire that has weld tabs, specifically, the present invention relates to a kind of have be used for the connection lead that aluminothermy is soldered to the weld tabs on the base metal.
Background technology
Thermit welding is that a kind of near surface at base metal is lighted the mixed-powder of aluminium and aerugo (perhaps ferric oxide) and made the welding technique of its burning, and wherein the heat that produces of chemical reaction is fused together copper (perhaps iron) and part base metal.Usually, this welding technique is particularly useful for railway territory, for example, utilizes the weld zone that is made of thermite material, cable is electrically connected independently rail with the rail surface soldered together, and wherein cable forms by the two ends that the brazing sheet are attached at the lead that is known as knit line.
In the part groove that knit line is inserted the brazing sheet, make the part copper weld tabs wrinkling then, also can be shaped to designated shape with this weld tabs then, thereby connect knit line and brazing sheet on the bonding wire as mentioned above by knit line is inserted in the weld tabs.
On the wrinkling part of brazing sheet, there is stress because of properties of materials by wrinkling carrying out under the bonded assembly situation.For example, when bonding wire and rail are carried out thermit welding, because may causing forming on wrinkling part by the vibration that produces, railway car breaks, if so on the brazing sheet, also there is wrinkling part the weld zone in groove part, then may destroy brazing sheet itself, in other words, vibration may arrive knit line itself and cause it to worsen in wrinkling part.In addition, if having wrinkling part in weld zone inside, then the welding heat that produces during the thermit welding may cause wrinkling partial melting, thereby disconnection occurs.
The problems referred to above may be destroyed brazing sheet itself, also may cause checking the knit line of generation in the thermit welding part and the contact problems of brazing sheet.
In addition, undertaken under the bonded assembly situation by moulding, the toughness of brazing sheet and ductility make the inside face of knit line and this weld tabs closely cooperate, and between them, there is not the space, like this, during thermit welding, make the deposite metal in the thermite material fuse into the brazing sheet, to realize excellent electric contact.Yet, for example, when bonding wire and rail are carried out thermit welding, because railway car by the vibration that produces cause between thermit welding part and the weld tabs, copper enters that interface portion in it is broken or destroyed, in this case, the brazing sheet may partly get loose from thermit welding with knit line.
People may consider the problems referred to above of utilizing high strength iron weld tabs to solve copper tip.In this case, usually connect the iron weld tabs by compression moulding, wrinkling because they are not suitable for, and the hardness of iron makes it be difficult to moulding when keeping closed contact internal interface zygonema, therefore, usually between the inside face of knit line and iron weld tabs, form the gap.Therefore, between knit line and iron weld tabs, may have contact deficiency, and these parts are present in the inside of iron weld tabs, therefore can't see, like this, be difficult to check the situation that electrically contacts between knit line and the iron weld tabs from the outside.
JP 2005-14008A has described the example of conventional art.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of connection lead that is used for thermit welding, like this, by on the iron weld tabs, forming groove part, so that knit line compresses inside face, can determine the wear pattern of knit line easily, wherein after having carried out thermit welding, this groove part appears at the outside of weld zone, can discern the each several part that fracture takes place on the knit line easily like this.
(1) to achieve these goals, connection lead according to the present invention is characterised in that and comprises: lead; And the iron weld tabs that is used for thermit welding, insert described lead in it, and described lead compression moulding is reservation shape; Wherein on the outside face of described iron weld tabs, be formed with one or more groove part, so that the inside face of described iron weld tabs is suppressed described lead; And at least one groove part is positioned at outside the weld zone after thermit welding.
(2) in addition, connection lead of the present invention preferably has two groove parts at least, and each groove part is all near the end of described iron weld tabs.
(3) in addition, preferably have the reservation shape of such compression moulding according to connection lead of the present invention, its outside face comprises plane and curved surface.
(4) in addition, connection lead of the present invention preferably has the groove part that is formed on this curved surface.
(5) in addition, connection lead of the present invention preferably makes lead pass the iron weld tabs.
(1) because connection lead of the present invention has one at least and be positioned at the exterior groove part of weld zone after thermit welding,, can see this press portion so pass through this groove part.Therefore, for example, if rail is carried out thermit welding as base metal, thus the situation of knit line when the end that then can determine the iron weld tabs because the vibration of railway car by generation rubs easily polishes knit line.
In addition, because lead of the present invention has a groove part that is formed on the iron weld tabs outside face at least, thereby the inside face that makes the iron weld tabs compresses this lead, even so when moulding, between lead and iron weld tabs, also form the gap, still there is the contact portion of this lead of reliable clamping and iron weld tabs, prevents contact problems thus.
(2) because lead of the present invention has near two groove parts in end that lay respectively at the iron weld tabs at least, one of groove part is positioned at the inside of weld zone after having carried out thermit welding, the inside of welded metal filling groove part has also increased this welding region, also form weld zone simultaneously, to prolong this iron weld tabs, thereby discharge the stress that weld interface is formed, therefore, improve weld strength.
(3) because the outside face of the reservation shape of its compression moulding of connection lead of the present invention comprises plane and curved surface, even so such as by forming cheese or circular arc according to lead in-to-in shape, thereby form any outside face, and this outside face is formed curved surface, still can contact the planar section of iron weld tabs such as the base metal surfaces of rail etc., thereby under stable case, utilize this connection lead to carry out thermit welding.
(4) because connection lead of the present invention has the groove part that is formed on the curved surface, so if this groove part is positioned at this weld zone inside after thermit welding, then can increase welding region, and if it be positioned at this weld zone outside, then can see the wear pattern of knit line from the outside.In addition, by forming a plurality of groove parts, can further increase this welding region.
(5) because connection lead of the present invention is that lead passes through iron weld tabs form, so by not only utilize be positioned at lip-deep but also utilize the soldered part of welded metal moulding that is positioned at the weld zone on the conductor part by the weld zone in-to-in iron weld tabs of thermit welding, can increase welding region, thereby strengthen the electric conductivity between lead and the rail.
Description of drawings
Fig. 1 is the transparent view that is used for the connection lead of thermit welding according to the present invention.
Fig. 2 is the cutaway view of watching from the X-X direction.
Fig. 3 has carried out after the thermit welding transparent view of connection lead of the present invention.
Fig. 4 is the cutaway view of iron weld tabs of having electroplated the connection lead of iron-zinc alloy.
The specific embodiment
Explain the example of the preferred embodiments of the present invention below with reference to the accompanying drawings.In the accompanying drawings, profit is denoted by like references identical component part, and takes the circumstances into consideration to skip over its explanation.
Embodiment 1
Fig. 1 illustrates the transparent view that is used for the connection lead of thermit welding according to the present invention.This connection lead 1 comprises: copper conductor 2 and the iron weld tabs 3 that is used for thermit welding, lead 2 inserts in the iron weld tabs 3, and its outer shape compression moulding tubulose that is the semi-circular section.Lead 2 in the iron weld tabs 3 also is shaped to identical shaped.
Fig. 2 illustrates the transparent view that the X-X direction from the groove part 4 ' is watched.In groove part 4 ', sagging place causes the inside face compacting lead 2 of iron weld tabs 3.This press portion makes lead 2 remain between lead 2 and the iron weld tabs 3 to have contact portion, compensate simultaneously during the compression moulding connection lead 1 because the contact problems of the inside face of iron weld tabs 3 and the generation of the space between the lead 2.In addition, during thermit welding, the deposite metal flows in the groove part 4 ', thereby the surface and the thermit welding metal of iron weld tabs 3 linked together, and therefore, can increase the zone between thermite material and the iron weld tabs 3, thereby realize high weld strength.
Fig. 3 be connection lead 1 of the present invention is shown and be connected together by thermit welding such as the base metal (not shown) of rail after the transparent view of state.Connection lead 1 and groove part 4 ' are covered by near the weld zone 5 that is positioned at its termination, and are soldered to by aluminothermy on the surface of this base metal (not shown).In addition, the groove part 4 of iron weld tabs 3 " do not have soldered part 5 to cover and exposed, but similar with groove part 4 ', because the pressure that the place of sinking produces, groove part 4 " clamping wire 2.Therefore, groove part 4 " receive the external force act on the lead 2.Thereby when the external stress such as vibration from railway car acted on the lead 2, lead 2 was at first at groove part 4 " break or rupture.Therefore, expose the breaking portion of lead 2, and can understand the degradation mode of lead 2 easily from this breaking portion of outer inspection, this makes can check connection lead 1 easily.
Although in order to prevent corrosion, zinc-plated to the iron weld tabs of connection lead usually, also can be to this iron weld tabs plating iron zinc alloy.Fig. 4 illustrates the cutaway view of the iron weld tabs of having electroplated iron-zinc alloy.Under the situation of carrying out thermit welding, the excessive temperature of the deposite metal in the thermite material may cause the zinc coating fusing, therefore, may lose anti-corrosion effects.Therefore, by thermal diffusion zinc on the surface of iron weld tabs 3, form alloy layer 6, thereby on the surface of iron weld tabs 3, form iron-zinc alloy (Zn-Fe layer).
Handle because carried out this alloy layer, thus the invention of present embodiment provide a kind of when welding heat-resisting especially, resistant to corrosion connection lead.
Claims (5)
1. connection lead is characterized in that comprising:
Lead;
The iron weld tabs that is used for thermit welding, described lead are inserted in the described iron weld tabs and compression moulding is reservation shape;
Wherein, on the outside face of described iron weld tabs, be formed with one or more groove part, so that the inside face of described iron weld tabs is suppressed described lead; And
At least one groove part is positioned at after thermit welding outside the described weld zone.
2. connection lead according to claim 1 is characterized in that: form two groove parts at least, each groove part is the end of close described iron weld tabs all.
3. according to claim 1 or 2 described connection leads, it is characterized in that: the reservation shape of institute's compression moulding has the outside face that is made of plane and curved surface.
4. connection lead according to claim 3 is characterized in that: form groove part on described curved surface.
5. according to each described connection lead in the claim 1 to 4, it is characterized in that: described lead passes described iron weld tabs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP210563/2006 | 2006-08-02 | ||
| JP2006210563 | 2006-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101500843A true CN101500843A (en) | 2009-08-05 |
Family
ID=38581971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800285729A Pending CN101500843A (en) | 2006-08-02 | 2007-07-31 | Connector cable with lugs |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5158888B2 (en) |
| CN (1) | CN101500843A (en) |
| WO (1) | WO2008014981A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013201167A1 (en) * | 2013-01-24 | 2014-08-07 | Elringklinger Ag | A method of making an electrically conductive connection between an electrical lead and an electrically conductive member and assembly manufactured by the method |
| JP7394100B2 (en) | 2021-09-30 | 2023-12-07 | 古河電工パワーシステムズ株式会社 | Rail bond structure and method of forming rail bond structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1865719A (en) * | 1926-12-30 | 1932-07-05 | Ohio Brass Co | Attachable welding terminal |
| US1933564A (en) * | 1927-10-24 | 1933-11-07 | Electric Railway Improvement Co | Bonding rail |
| GB1013317A (en) * | 1963-06-27 | 1965-12-15 | Amp Inc | Electrical connector for steel members |
| JPH09253871A (en) * | 1996-03-22 | 1997-09-30 | Nippon Koki Co Ltd | Ignitor for welding to ignite thermite mixture |
| JP4629302B2 (en) * | 2002-08-26 | 2011-02-09 | 日油技研工業株式会社 | Rail welding terminal welding method |
| JP2005007461A (en) * | 2003-06-20 | 2005-01-13 | Fci Asia Technology Pte Ltd | Welded terminal |
| JP2006334644A (en) * | 2005-06-02 | 2006-12-14 | Shingo Kizai Kk | Method for forming rail bond |
-
2007
- 2007-07-31 WO PCT/EP2007/006775 patent/WO2008014981A1/en active Application Filing
- 2007-07-31 CN CNA2007800285729A patent/CN101500843A/en active Pending
- 2007-07-31 JP JP2009522166A patent/JP5158888B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009545446A (en) | 2009-12-24 |
| JP5158888B2 (en) | 2013-03-06 |
| WO2008014981A1 (en) | 2008-02-07 |
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