DE102008005359A1 - Method for manufacturing telescopic connection, involves pre-stressing inner section of component outwardly against outer section elongated into each other - Google Patents

Method for manufacturing telescopic connection, involves pre-stressing inner section of component outwardly against outer section elongated into each other Download PDF

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Publication number
DE102008005359A1
DE102008005359A1 DE102008005359A DE102008005359A DE102008005359A1 DE 102008005359 A1 DE102008005359 A1 DE 102008005359A1 DE 102008005359 A DE102008005359 A DE 102008005359A DE 102008005359 A DE102008005359 A DE 102008005359A DE 102008005359 A1 DE102008005359 A1 DE 102008005359A1
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DE
Germany
Prior art keywords
stressing
inner section
elongated
telescopic connection
outwardly against
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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.)
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DE102008005359A
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German (de)
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Individual
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Individual
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Priority to DE102008005359A priority Critical patent/DE102008005359A1/en
Publication of DE102008005359A1 publication Critical patent/DE102008005359A1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B4/00Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
    • F16B4/004Press fits, force fits, interference fits, i.e. fits without heat or chemical treatment

Abstract

The method involves pre-stressing an inner section of a component outwardly against an outer section elongated into each other. The outer section of the component elongated into each other is pre-stressed against an interior of the inner section. The pre-stressing at the inner section is generated by a pressed-in conical mandrel or a segmented expansion device. The pre-stressing on the outer part is generated by a screwing, pinching or spring-impinged clamp.

Description

Aufgabenstellungtask

Ineinander teleskopierende und oftmals auch gleichzeitig Momente übertragende Teleskoprohre und -stangen werden z. B. im Maschinenbau oder auch im Automobilbau vielfach verwendet. Je nach Anwendung sollen die Bauteile sehr kraftarm teleskopieren können, ohne jedoch Spiel zu haben. Dies ist aufgrund der fertigungsbedingten Toleranzen ein Widerspruch in sich, der nur mit sehr aufwendigen Zusatzmaßnahmen annähernd gelöst werden kann. Eine sehr verbreitete Anwendung sind bspw. Lenkungen in Fahrzeugen, die zur Längenverstellung bspw. der Lenkradposition teleskopierbar sein müssen und hierzu mit entsprechenden Innenprofilen (z. B. Verzahnungen, Kleeblattprofil, Zweiflach, Dreiflach o. ä.) ausgeführt sind. Um das Spiel bestmöglich herauszunehmen und dennoch die Telekopierbarkeit zu gewährleisten, werden bspw. Maßnahmen wie das Einbringen einer Helix (ganz leichte Schrägstellung des Profils des einen Bauteils) oder auch eine Kunststoffumspritzung eines der beiden teleskopierenden Teile, die je nach Anforderungen sogar nochmals anschließend spanabhebend geräumt wird oder auch das Klassifizieren der Bauteile/Paaren entsprechend der jeweiligen Toleranzlage gewählt oder so ähnlich.in one another telescoping and often simultaneously transmitting moments Telescopic tubes and rods are z. B. in engineering or widely used in automotive engineering. Depending on the application, the Components can telescope very low power, but without play too to have. This is due to the manufacturing tolerances Contradiction in itself, only with very elaborate additional measures nearly solved can be. A very common application are, for example, steering in vehicles used for length adjustment For example, the steering wheel position must be telescopic and this with appropriate Internal profiles (eg gearing, trefoil profile, two-flats, three-flats o. ä.) accomplished are. To take out the game as best as possible and yet to ensure telecopability, for example, measures like the insertion of a helix (very slight inclination the profile of a component) or a plastic extrusion one of the two telescoping parts, depending on requirements even again afterwards cleared by cutting or classifying the components / pairs accordingly selected the respective tolerance position or something like that.

Es gibt jedoch auch Anwendungen, bei denen das Teleskopieren erst ab einer bestimmten Kraft möglich sein soll.It However, there are also applications where the telescoping off only a certain power possible should be.

Lösungsolution

Alle diese Fälle werden gemäß der nachfolgenden Erfindung gelöst, indem man eines der ineinander gesteckten Teile 1 und 2 gezielt vorspannt. Beim Außenteil kann dies mit einer schraubbaren (4), quetschbaren (5) oder federbeaufschlagten (z. B. mittels Toleranzring) Klemme (3) erfolgen, während für das Innenteil leicht konischer Dorn eingepresst oder bspw. eine segmentierte Spreizvorrichtung verwendet werden kann. Die Vorspannkraft kann umso leichter übertragen werden, je dünnwandiger das Teil ist, ggf. kann man partielle Schwächungen in eines der Teile einbringen z. B. eine Wandausdünnung an einer oder mehreren Stellen oder sogar Einschlitzen 6 und 7, sofern dies die Anwendung sicherheitstechnisch zulässt. Ein besonderer Vorteil der Erfindung liegt darin, dass es je nach Ausführung des Klemmmechanismus möglich ist, die Vorspannung gezielt einzustellen. So kann man bspw. eine Spannhülse aufbringen, die auf dem Prüfstand bspw. durch zunehmendes Quetschen zugestellt wird, während die Teleskopierteile bewegt und die Teleskopierkräfte gemessen werden, bis die gewünschte Kraft eingestellt ist. Je nach Ausführung kann die Vorspannung auch zu einem späteren Zeitpunkt noch verändert werden.All of these cases are solved according to the invention below by placing one of the nested parts 1 and 2 purposefully biased. For the outer part, this can be done with a screw-on ( 4 ), squeezable ( 5 ) or spring-loaded (eg by means of a tolerance ring) clamp ( 3 ), while for the inner part slightly conical mandrel pressed or, for example, a segmented spreader can be used. The biasing force can be transmitted the easier, the more thin-walled the part, if necessary, you can bring partial weakening in one of the parts z. As a wall thinning at one or more points or even slits 6 and 7 , if the application permits this safety-related. A particular advantage of the invention is that, depending on the design of the clamping mechanism, it is possible to set the bias in a targeted manner. For example, it is possible to apply a clamping sleeve which is placed on the test stand, for example by increasing squeezing, while the telescopic parts are moved and the telescoping forces are measured until the desired force has been set. Depending on the design, the preload can also be changed at a later date.

Claims (5)

Verfahren zur Herstellung einer Teleskopverbindung, dadurch gekennzeichnet, dass das Innenteil der ineinander gesteckten Teile, nach außen gegen das Außenteil vorgespannt wird.Method for producing a telescopic connection, characterized in that the inner part of the nested parts, is biased outwards against the outer part. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Außenteil der ineinander gesteckten Teile nach innen auf das Innenteil vorgespannt wird.Method according to claim 1, characterized in that that the outer part the nested parts is biased inwardly on the inner part. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Vorspannung am Innenteil durch einen eingepressten konischen Dorn oder bspw. eine segmentierte Spreizvorrichtung erzeugt wird.Method according to claim 1, characterized in that that the preload on the inner part by a pressed conical Dorn or eg. A segmented spreading device is generated. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass die Vorspannung am Außenteil durch eine verschraubbare, quetschbare oder federbeaufschlagten Klemme erzeugt wird.Method according to claim 2, characterized in that that the bias on the outer part by a screwed, squeezable or spring-loaded Terminal is generated. Verfahren nach wenigstens einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die erforderliche Kraft zur Erzeugung der Vorspannung durch partielle Schwächung eines der ineinander gesteckten Teile reduziert wird.Method according to at least one of the preceding claims, characterized characterized in that the force required to generate the bias by partial weakening one of the nested parts is reduced.
DE102008005359A 2007-12-20 2008-01-19 Method for manufacturing telescopic connection, involves pre-stressing inner section of component outwardly against outer section elongated into each other Withdrawn DE102008005359A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102008005359A DE102008005359A1 (en) 2007-12-20 2008-01-19 Method for manufacturing telescopic connection, involves pre-stressing inner section of component outwardly against outer section elongated into each other

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007062399.4 2007-12-20
DE102007062399 2007-12-20
DE102008005359A DE102008005359A1 (en) 2007-12-20 2008-01-19 Method for manufacturing telescopic connection, involves pre-stressing inner section of component outwardly against outer section elongated into each other

Publications (1)

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DE102008005359A1 true DE102008005359A1 (en) 2009-06-25

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DE102008005359A Withdrawn DE102008005359A1 (en) 2007-12-20 2008-01-19 Method for manufacturing telescopic connection, involves pre-stressing inner section of component outwardly against outer section elongated into each other

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200317047A1 (en) * 2017-12-19 2020-10-08 Bayerische Motoren Werke Aktiengesellschaft Motor Vehicle Drive Shaft and Method for Producing It

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200317047A1 (en) * 2017-12-19 2020-10-08 Bayerische Motoren Werke Aktiengesellschaft Motor Vehicle Drive Shaft and Method for Producing It
US11698100B2 (en) * 2017-12-19 2023-07-11 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle drive shaft and method for producing it

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R163 Identified publications notified
R163 Identified publications notified

Effective date: 20111111

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20130801