DE10317619B3 - Damper with hollow piston rod for damping vibrations, has measuring device inside piston rod to monitor its movements - Google Patents
Damper with hollow piston rod for damping vibrations, has measuring device inside piston rod to monitor its movements Download PDFInfo
- Publication number
- DE10317619B3 DE10317619B3 DE2003117619 DE10317619A DE10317619B3 DE 10317619 B3 DE10317619 B3 DE 10317619B3 DE 2003117619 DE2003117619 DE 2003117619 DE 10317619 A DE10317619 A DE 10317619A DE 10317619 B3 DE10317619 B3 DE 10317619B3
- Authority
- DE
- Germany
- Prior art keywords
- piston rod
- piston
- hollow
- intermediate tube
- lid
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J7/00—Piston-rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
Die Erfindung betrifft einen Schwingungsdämpfer mit einer hohlen Kolbenstange gemäß dem Oberbegriff von Patentanspruch 1.The The invention relates to a vibration damper with a hollow piston rod according to the generic term of claim 1.
Insbesondere
aus Gründen
des Leichtbaus setzen sich im Kraftfahrzeugbau stetig hohle Kolbenstangen
für Schwingungsdämpfer durch.
Seit geraumer Zeit ist es bekannt, hohle Kolbenstangen durch ein
Umformverfahren endseitig zu verschießen. Dabei wird das Ende der
Kolbenstange flaschenhalsförmig
zugehämmert.
Beispielhaft wird in diesem Zusammenhang auf die
Eine weitere Möglichkeit zur Herstellung einer hohlen Kolbenstange besteht darin, ein einfaches Rohr endseitig mit einem Boden und einem Deckel zu versehen, beispielsweise durch ein Reibschweißverfahren. Zwangsläufig sind auch für dieses Schweißverfahren bestimmte Werkstoffe nicht einsetzbar.A another possibility to make a hollow piston rod is a simple tube end to be provided with a bottom and a lid, for example by a friction welding process. Inevitably are also for this welding process certain materials can not be used.
Aus
der
Die
gattungsbildende
Die
Aufgabe der vorliegenden Erfindung ist es, eine hohle Kolbenstange zu realisieren, die eine große Werkstoffauswahl ermöglicht.task the present invention is to realize a hollow piston rod, the one big one Material selection allows.
Erfindungsgemäß wird die Aufgabe durch den Patentanspruch 1 gelöst.According to the invention Task solved by the patent claim 1.
Der wesentliche Vorteil besteht darin, dass man als Zwischenrohr ein ganz einfaches Rohr verwenden kann, dass lediglich auf die genaue Länge bearbeitet sein muss.Of the main advantage is that you as an intermediate tube very simple tube can use that only on the exact Length edited have to be.
Das Ablängen eines Rohres von einem Stangenprofil kann vergleichsweise schnell und einfach erledigt werden.The Shorten a pipe from a bar profile can be comparatively fast and just be done.
Die Zugstange soll nicht nur den Boden und den Deckel tragen, sondern es ist zusätzlich vorgesehen, dass die Zugstange einen Kolben an der Kolbenstange befestigt.The Pull rod should not only carry the bottom and the lid, but it is additional provided that the pull rod has a piston on the piston rod attached.
Magnetisch transparente Werkstoffe sind vielfach deutlich teurer als ein gewöhnlicher Stahl für eine Kolbenstange. Um den Mehrpreis für den besonderen Werkstoff zu kompensieren, erstreckt sich das Zwischenrohr nur auf einen Längenbereich, der von einer Messanordnung zur Sensierung der Kolbenstangenbewegung erfasst wird.Magnetic transparent materials are often much more expensive than an ordinary one Steel for one Piston rod. To the extra price for To compensate for the special material, the intermediate tube extends only on a length range, that of a measuring arrangement for sensing the piston rod movement is detected.
Aus Gewichtsgründen, aber auch um ein möglichst gutes Signal für die Messanordnung zu erreichen, ist an der Innenwandung des Zwischenrohres eine Sensorfolie angeordnet. Die Sensorfolie muss sich nicht unbedingt auf die gesamte Innenwandung des Zwischenrohres erstrecken, sondern kann auch als Streifen ausgeführt sein.Out For weight reasons, but also as much as possible good signal for to reach the measuring arrangement is on the inner wall of the intermediate tube arranged a sensor film. The sensor foil does not necessarily have to extend to the entire inner wall of the intermediate tube, but can also executed as a strip be.
Zum Schutz und zur Isolation der Sensorfolie kann der Hohlraum innerhalb der Kolbenstange mit einer Vergussmasse gefüllt sein.To the Protection and insulation of the sensor film may be within the cavity the piston rod be filled with a potting compound.
Anhand der folgenden Figurenbeschreibung soll die Erfindung näher erläutert werden.Based The following description of the figures, the invention will be explained in more detail.
Die
Der
kolbenstangenferne Arbeitsraum
Die
Kolbenstange
Des
weiteren befestigt die Zugstange
Innerhalb
der hohlen Kolbenstange ist an der Innenwandung des Zwischenrohres
Eine
Anschlussleitung
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003117619 DE10317619B3 (en) | 2003-04-16 | 2003-04-16 | Damper with hollow piston rod for damping vibrations, has measuring device inside piston rod to monitor its movements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003117619 DE10317619B3 (en) | 2003-04-16 | 2003-04-16 | Damper with hollow piston rod for damping vibrations, has measuring device inside piston rod to monitor its movements |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10317619B3 true DE10317619B3 (en) | 2005-02-03 |
Family
ID=33559701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003117619 Expired - Fee Related DE10317619B3 (en) | 2003-04-16 | 2003-04-16 | Damper with hollow piston rod for damping vibrations, has measuring device inside piston rod to monitor its movements |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10317619B3 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006010887U1 (en) * | 2006-07-13 | 2007-11-22 | Ab Elektronik Gmbh | Shock absorber unit and sensor for this |
DE102006025579B3 (en) * | 2006-06-01 | 2007-12-27 | Zf Friedrichshafen Ag | Piston rod for e.g. passenger car`s vibration damper, has axial transit channel via which mounting screw is guided, where thread connections provided by screw are accessible for adjustment of pre-stressing in each stroke position of rod |
EP2025950A2 (en) * | 2007-08-11 | 2009-02-18 | Bümach Engineering International B.V. | Bend stabilisation of pipe-form piston rods of work cylinders |
EP3001075A1 (en) * | 2014-09-29 | 2016-03-30 | Liebherr-Components Kirchdorf GmbH | Lightweight piston rod |
CN106855124A (en) * | 2016-12-20 | 2017-06-16 | 无锡市明骥智能机械有限公司 | Possesses the piston rod of running writing function |
DE202018001067U1 (en) | 2018-02-28 | 2018-04-15 | Fes Gmbh Fahrzeug-Entwicklung Sachsen | Arrangement for determining the path of a piston in a cylinder |
EP3267068A4 (en) * | 2015-03-02 | 2018-11-07 | KYB Corporation | Shock absorber |
DE102020108746A1 (en) | 2020-03-30 | 2021-09-30 | Liebherr-Components Kirchdorf GmbH | Hydraulic cylinder |
EP3947982A2 (en) * | 2019-04-01 | 2022-02-09 | Schwing GmbH | Piston rod unit, hydraulic cylinder and articulated mast |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8317308U1 (en) * | 1983-06-14 | 1984-06-07 | Boge Gmbh, 5208 Eitorf | Piston rod for hydraulic, pneumatic or hydropneumatic units such as vibration dampers |
DE3623143A1 (en) * | 1986-07-09 | 1988-01-21 | Leibfried Maschinenbau Gmbh | FLUID ACTUATED CYLINDER |
DE19647506A1 (en) * | 1996-11-16 | 1998-05-28 | Lingk & Sturzebecher Leichtbau | Piston rod for an actuating piston of an actuator |
DE19606990C2 (en) * | 1996-02-24 | 1999-10-28 | Daimler Chrysler Ag | Telescopic vibration damper between the structure and the guide element of a wheel of a motor vehicle |
-
2003
- 2003-04-16 DE DE2003117619 patent/DE10317619B3/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8317308U1 (en) * | 1983-06-14 | 1984-06-07 | Boge Gmbh, 5208 Eitorf | Piston rod for hydraulic, pneumatic or hydropneumatic units such as vibration dampers |
DE3623143A1 (en) * | 1986-07-09 | 1988-01-21 | Leibfried Maschinenbau Gmbh | FLUID ACTUATED CYLINDER |
DE19606990C2 (en) * | 1996-02-24 | 1999-10-28 | Daimler Chrysler Ag | Telescopic vibration damper between the structure and the guide element of a wheel of a motor vehicle |
DE19647506A1 (en) * | 1996-11-16 | 1998-05-28 | Lingk & Sturzebecher Leichtbau | Piston rod for an actuating piston of an actuator |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006025579B3 (en) * | 2006-06-01 | 2007-12-27 | Zf Friedrichshafen Ag | Piston rod for e.g. passenger car`s vibration damper, has axial transit channel via which mounting screw is guided, where thread connections provided by screw are accessible for adjustment of pre-stressing in each stroke position of rod |
DE202006010887U1 (en) * | 2006-07-13 | 2007-11-22 | Ab Elektronik Gmbh | Shock absorber unit and sensor for this |
EP2025950A2 (en) * | 2007-08-11 | 2009-02-18 | Bümach Engineering International B.V. | Bend stabilisation of pipe-form piston rods of work cylinders |
EP3001075A1 (en) * | 2014-09-29 | 2016-03-30 | Liebherr-Components Kirchdorf GmbH | Lightweight piston rod |
EP3267068A4 (en) * | 2015-03-02 | 2018-11-07 | KYB Corporation | Shock absorber |
CN106855124A (en) * | 2016-12-20 | 2017-06-16 | 无锡市明骥智能机械有限公司 | Possesses the piston rod of running writing function |
DE202018001067U1 (en) | 2018-02-28 | 2018-04-15 | Fes Gmbh Fahrzeug-Entwicklung Sachsen | Arrangement for determining the path of a piston in a cylinder |
EP3947982A2 (en) * | 2019-04-01 | 2022-02-09 | Schwing GmbH | Piston rod unit, hydraulic cylinder and articulated mast |
DE102020108746A1 (en) | 2020-03-30 | 2021-09-30 | Liebherr-Components Kirchdorf GmbH | Hydraulic cylinder |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of the examined application without publication of unexamined application | ||
8364 | No opposition during term of opposition | ||
R081 | Change of applicant/patentee |
Owner name: ZF FRIEDRICHSHAFEN AG, DE Free format text: FORMER OWNER: ZF SACHS AG, 97424 SCHWEINFURT, DE Effective date: 20130326 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |