EP3493939A1 - Bolt-welded grounding lug - Google Patents
Bolt-welded grounding lugInfo
- Publication number
- EP3493939A1 EP3493939A1 EP17777510.3A EP17777510A EP3493939A1 EP 3493939 A1 EP3493939 A1 EP 3493939A1 EP 17777510 A EP17777510 A EP 17777510A EP 3493939 A1 EP3493939 A1 EP 3493939A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaped conductor
- bolt
- welding
- sleeve
- rail vehicle
- 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.)
- Withdrawn
Links
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
- H01R4/58—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 characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
-
- 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
- H01R11/12—End pieces terminating in an eye, hook, or fork
-
- 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
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Definitions
- the invention relates to a bolt-shaped conductor for a grounding tab, which has a firing tip and is designed to be welded to an object.
- Welding element is formed and touches the other welding element.
- the welding studs with firing tips usually have a threaded shaft. The thread sizes seem limited.
- earthing straps for rail vehicles for example, from the document DE 10 2012 215 720 AI known. These each comprise a cable lug and a conductor, which are welded together by EMPT.
- the conductor in particular a bolt made of aluminum, in turn, with a car body shell of a rail vehicle, for example, also made of aluminum, welded. These are usually manually welded individually by means of a fusion welding process.
- the object of the invention is to propose a cost-effective option for the galvanic connection of components of a rail vehicle to a body shell of the rail vehicle.
- An inventive bolt-shaped conductor for a grounding strap comprises a, in particular at a front side Kon- arranged firing point, wherein the bolt-shaped conductor is adapted to be welded, in particular the contact surface, with an object by means of a
- the bolt-shaped conductor is suitably designed for welding a cable lug by means of electromagnetic pulse forming technology.
- it can have a further developed shaft, which is designed to be inserted into a sleeve-shaped conductor receptacle of a cable lug and welded to it by means of electromagnetic pulse-forming technology.
- the contact surface has a larger surface area than a cross section through the shaft, wherein a collar for enlarging the contact surface, in particular in the region of the contact surface, is formed.
- the integrally formed on the front side of the bolt-shaped conductor collar can also serve to abut the cable lug.
- the end of the sleeve-shaped conductor receiving, in which the bolt-shaped conductor is inserted or is, can rest on the side facing away from the contact surface, in particular rearward, surface of the collar.
- An enlargement of the contact surface means at the same time an enlargement of the base or end face of the bolt-shaped conductor and thus the welding surface.
- the bolt-shaped conductor comprises aluminum, in particular the bolt-shaped conductor is made of aluminum or of an aluminum alloy.
- a grounding tab according to the invention now comprises a cable lug and a bolt-shaped conductor according to the invention welded to the cable lug by means of electromagnetic pulse-forming technology.
- the cable lug and bolt-shaped conductors are joined so that the firing tip is arranged at a free end of the grounding lug.
- the contact surface of the bolt-shaped conductor forms a free end of the cable lug.
- the cable lug has a further developed, in particular closed on one side, sleeve-shaped Lei teraufnähme on, in the open end of the bolt-shaped conductor is inserted.
- the bolt-shaped conductor is adapted to the inner contour of the conductor receptacle on an end inserted into the conductor receptacle of the cable lug, in particular in order to be complementary thereto, in particular such that the inner cross section of the conductor receptacle and the Outer section of the shaft of the bolt-shaped conductor enter a transition fit to fit the bolt-shaped conductor in a sleeve-shaped conductor receiving the cable lug.
- the cable lug comprises copper.
- the cable lug is made of copper or a copper alloy.
- grounding tab has an eyelet or a fork for fastening the grounding strap, for example, with further cable lugs.
- a ground connection comprises a grounding plate according to the invention and a grounding strap, in particular galvanically connected, further cable lug which is, for example, identical to the cable lug of the earthing strap.
- a grounding plate according to the invention and a grounding strap, in particular galvanically connected, further cable lug which is, for example, identical to the cable lug of the earthing strap.
- Two similar or even identically designed cable lugs can thus be rotated relative to one another around the common axis of their lugs, by which they communicate with one another, in a wide angular range proportional to the specified angular range.
- a grounding tab according to the invention is produced in particular by:
- a method for producing a grounding connection with at least one grounding tab comprises the following method steps:
- the order of the method steps can be as follows: first, the bolt-shaped conductor, in particular the shaft of the bolt-shaped conductor, inserted into the sleeve-shaped conductor receptacle and the bolt-shaped conductor, in particular the shaft of the bolt-shaped conductor, with the sleeve-shaped conductor receiving the cable lug by means of electromagnetic Subsequently, the firing tip is placed on an object at the free end of the grounding tab, in particular on the frontal contact surface of the bolt-shaped conductor, and the Grounding tab, in particular the contact surface of the bolt-shaped conductor, with the object by means of a
- Welded stud welding method with tip ignition and then introduced only the bolt-shaped conductor in the sleeve-shaped conductor receiving and welded the bolt-shaped conductor with the sleeve-shaped conductor receiving the cable lug by means of electromagnetic pulse forming technology.
- one, in particular mechanical, adaptation of the contour of the bolt-shaped conductor to the sleeve-shaped conductor receptacle of the cable lug or vice versa can be arranged upstream.
- a rail vehicle according to the invention in particular a passenger rail vehicle, comprises a shell, in particular comprising aluminum or made of aluminum or an aluminum alloy, and earth straps attached to the shell according to the invention.
- the at least one grounding tab is fastened to the body shell of the rail vehicle in a material-locking manner by means of stud welding with tip ignition. Further developed, the earthing strap is electrically conductively welded over the entire contact surface with the shell.
- a rail vehicle is manufactured by:
- a grounding lug 1 according to the invention is shown schematically in a perspective exploded view. It comprises a cable lug 2 and a bolt-shaped conductor 3, which is designed to be materially connected to the cable lug 2 by means of an electromagnetic pulse forming process.
- the cable lug 2 has a sleeve-shaped conductor receptacle 4 closed on one side, the bolt-shaped conductor 3 being insertable into the open end 5.
- the bolt-shaped conductor 3 in turn has a shaft 6 which is designed to be inserted into the sleeve-shaped conductor receptacle 4 and to be welded thereto by means of an electromagnetic pulse-forming method.
- the shaft 6 of the bolt-shaped conductor 3 in particular by mechanical deformation, adapted to the inner contour of the conductor receptacle 4.
- the bolt-shaped conductor 3 has at its front side, free
- a firing tip 7 is provided for welding the bolt-shaped conductor 2 by means of a stud welding process with tip ignition.
- the firing tip 7 can be made out of the bolt-shaped conductor 3 or molded onto it.
- the contact surface 8 has a larger diameter than the shaft 6.
- the rear surface 9 to the contact surface forms a collar or a stop surface for the open end of the one-sided closed, sleeve-shaped conductor receptacle 4th
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016218862.3A DE102016218862B3 (en) | 2016-09-29 | 2016-09-29 | Stud-welded grounding tab |
PCT/EP2017/073435 WO2018059981A1 (en) | 2016-09-29 | 2017-09-18 | Bolt-welded grounding lug |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3493939A1 true EP3493939A1 (en) | 2019-06-12 |
Family
ID=59997321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17777510.3A Withdrawn EP3493939A1 (en) | 2016-09-29 | 2017-09-18 | Bolt-welded grounding lug |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3493939A1 (en) |
DE (1) | DE102016218862B3 (en) |
WO (1) | WO2018059981A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2532252A1 (en) * | 1975-07-18 | 1977-02-10 | Hilti Ag | Flanged stud for arc welding onto metal base - where flange has progressively decreasing diameters which control arc |
US7364062B2 (en) * | 2004-10-19 | 2008-04-29 | American Axle & Manufacturing, Inc. | Magnetic pulse welding of steel propshafts |
DE102005052309B4 (en) * | 2005-11-01 | 2013-11-21 | Newfrey Llc | Connecting bolt, connecting element and electrically conductive coupling device |
DE102012215720A1 (en) * | 2012-09-05 | 2014-03-06 | Siemens Aktiengesellschaft | ground strap |
-
2016
- 2016-09-29 DE DE102016218862.3A patent/DE102016218862B3/en active Active
-
2017
- 2017-09-18 WO PCT/EP2017/073435 patent/WO2018059981A1/en unknown
- 2017-09-18 EP EP17777510.3A patent/EP3493939A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2018059981A1 (en) | 2018-04-05 |
DE102016218862B3 (en) | 2018-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1081796A1 (en) | High current contact | |
DE4402817A1 (en) | Electrical contact socket with soft contact spring | |
WO2008128264A1 (en) | Gear rack or threaded rod | |
EP2705996A2 (en) | Grounding tab | |
EP1804338A1 (en) | Contact socket for plug terminal | |
EP2725659B1 (en) | Coaxial cable socket | |
EP3546324A1 (en) | Bumper assembly for a motor vehicle | |
WO2018130329A1 (en) | Component combination of at least two components and a method for producing a component combination joined in a form-fitting and/or force-fitting manner | |
DE102016218862B3 (en) | Stud-welded grounding tab | |
EP2833007B1 (en) | Rotatable connection | |
EP3054182A1 (en) | Method for producing a joint connection between a joint housing and a connection component and suspension component produced according to the method | |
EP3631901A1 (en) | Grounding device for vehicles | |
EP1318565A1 (en) | Antenna, in particular a mobile radio telephone antenna, having a centering aid when being manufactured | |
WO2022069655A1 (en) | Support structure for a dashboard support and dashboard support having such a support structure | |
WO2018166775A1 (en) | Earthing cam | |
DE102015219645A1 (en) | Plug connection between a steering wheel and a handlebar and steering wheel and handlebar to form a connector | |
WO2012032077A1 (en) | Method for producing pin-shaped contact elements and contact element | |
EP2435280B1 (en) | Windscreen wiper rod system, method for the production thereof and windscreen wiper device | |
DE102007023233B4 (en) | Device for absorbing crash forces for a motor vehicle | |
AT519497B1 (en) | Switching device for a transmission, and method for producing the switching device | |
DE102012113123B4 (en) | Earthing device for a vehicle battery | |
DE102011055447A1 (en) | Sediment transport pipe | |
DE102014000661A1 (en) | Tubular-shaped cable end case for use in e.g. battery terminal, of car, has tapered portion provided in cable opposite bottom part such that tapered region is extended radially and outwardly along circumference body | |
DE102014100983B4 (en) | Spring with a plurality of turns, in particular spiral or coil springs | |
DE102011055722A1 (en) | Pusher device for door, has set up socket with female contact area that is connected to male contact area of pusher main portion in press-fit manner such that set up socket is connected with pusher main portion, for transmitting torque |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190306 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BAUMANN, STEFAN |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20200514 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20230401 |