EP0990490B1 - Device for positioning, clamping and compacting a ring-shaped holder - Google Patents

Device for positioning, clamping and compacting a ring-shaped holder Download PDF

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Publication number
EP0990490B1
EP0990490B1 EP98118718A EP98118718A EP0990490B1 EP 0990490 B1 EP0990490 B1 EP 0990490B1 EP 98118718 A EP98118718 A EP 98118718A EP 98118718 A EP98118718 A EP 98118718A EP 0990490 B1 EP0990490 B1 EP 0990490B1
Authority
EP
European Patent Office
Prior art keywords
clamping
ring
gripping
gripping jaws
jaws
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 - Lifetime
Application number
EP98118718A
Other languages
German (de)
French (fr)
Other versions
EP0990490A1 (en
Inventor
Hans Oetiker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oetiker Schweiz AG
Original Assignee
Hans Oetiker AG Maschinen und Apparatefabrik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to PT98118718T priority Critical patent/PT990490E/en
Application filed by Hans Oetiker AG Maschinen und Apparatefabrik filed Critical Hans Oetiker AG Maschinen und Apparatefabrik
Priority to EP98118718A priority patent/EP0990490B1/en
Priority to ES98118718T priority patent/ES2167827T3/en
Priority to DE59802078T priority patent/DE59802078D1/en
Priority to AT98118718T priority patent/ATE208246T1/en
Priority to MXPA01003218A priority patent/MXPA01003218A/en
Priority to CA002345974A priority patent/CA2345974C/en
Priority to AU55011/99A priority patent/AU754451B2/en
Priority to JP2000573515A priority patent/JP4565746B2/en
Priority to BR9914140-0A priority patent/BR9914140A/en
Priority to PCT/CH1999/000427 priority patent/WO2000020175A1/en
Priority to US09/806,527 priority patent/US6634202B1/en
Priority to KR1020017004189A priority patent/KR100614821B1/en
Priority to CNB998116947A priority patent/CN1144660C/en
Publication of EP0990490A1 publication Critical patent/EP0990490A1/en
Priority to ZA200102485A priority patent/ZA200102485B/en
Application granted granted Critical
Publication of EP0990490B1 publication Critical patent/EP0990490B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53709Overedge assembling means
    • Y10T29/53717Annular work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53987Tube, sleeve or ferrule
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53996Means to assemble or disassemble by deforming

Definitions

  • the present invention relates to a device for arranging, Tensioning or shrinking an annular retaining element, a method of arranging, tensioning or shrinking one annular retaining member and an arrangement for shrinking or clamping clamping, pressing or shrink rings, such as in particular of so-called multi crimp rings.
  • pressing rings are shrunk using a number of circularly arranged pressing jaws, which can preferably be actuated hydraulically or pneumatically, in order, for example, to firmly arrange rubber bellows placed over a cardan shaft.
  • pressing jaws which can preferably be actuated hydraulically or pneumatically, in order, for example, to firmly arrange rubber bellows placed over a cardan shaft.
  • the object is achieved by means of a device solved in particular according to claim 1.
  • a method for arranging, tensioning is further claimed or shrinking an annular retention member, such as a clamping, pressing or shrink ring, whereby the detent within a plurality of largely circularly arranged clamping jaws is arranged, which jaws with their inner Overall, the surface has a largely circular ring opening form and which one on each side, between two jaws Forming a distance, driven by a spring-like organ become, whereupon the outside of the clamping jaws and this holding open clamping ring by means of a clamping member is stretched in the diameter-reducing direction to the Clamping jaws drive largely radially vertically inwards to move and the holding member, if necessary on a to be arranged or to be assembled, to clamp or to shrink.
  • an annular retention member such as a clamping, pressing or shrink ring
  • the device defined according to the invention as well as the method are particularly suitable for shrinking clamping, Press or shrink rings, such as so-called multi Crimp rings.
  • the tensioning device is not tensioned Condition and has the following items:
  • the circle is only closed or the Diameter D 'is reached when the jaws are fully adjacent are arranged, respectively. the jaws are closed. It has been shown that when tensioning the clamping ring first the jaws below are closed and first successively the upper jaws for formation of the finally closed circle.
  • both the outer Surface 12 as well as the inner surface 19 of the jaw or of the segment 11 are designed such that on the one hand the Clamping jaw 11 laterally slip-proof inside the clamping ring 3 is held and on the other hand the press or shrink ring 1 laterally slip-resistant within the annular opening of the Clamping device.
  • the inner surface 19 faces laterally Guide rails or edges 21, within which the to pressing or shrink ring is held.
  • Fig. 4a clearly recognizable that against the inner surface 19 directed side flank of each of the two edges 23 is designed conically inclined to at To prevent shrinkage from widening the ring. By these edges are more likely to reach the thickness of the ring when Shrinking process increases slightly, which is beneficial.
  • the exterior Surface 12 again has guide rails on each side or edges 23 and an inner sliding surface 27, which opposite the side guide rails 23 by protruding inwards Longitudinal grooves 25 is spaced.
  • the surface 27 in the form of a band can also be used be provided with a friction-reducing coating To allow good sliding during the pressing or clamping process.
  • the better gliding can also be done by arranging lubricants, lubricating oils, etc. can be achieved.
  • FIG. 5 shows the lateral end face 13 of a clamping jaw or a clamping segment 11, in which end face the recess 17 can be seen in which the arranged between two jaws Feathers are held.
  • FIG. 6 in turn shows a clamping ring or a clamping band 3 with the outwardly bent ends 5 and 7, intended for the Intervention of a clamping tool.
  • Fig. 7 is now shown how a clamping device by means of a clamping tool can be clamped for arranging of the press or shrink ring.
  • a clamping tool 30 can by means of a clamping tool 30 and corresponding pliers-like legs 31 and 33 in the end section 5 and 7 of the clamping ring 3 are engaged.
  • the bent ends 5 and 7 are held securely in the clamping tool can be in the terminal parts of the legs 31 and 33 slots can also be arranged in which the band ends engage.
  • the clamping tool consists on the one hand of the end parts 31 and 33, provided to end 5 and 7 of the To engage the clamping ring and the two legs 35 and 37, which are pivotable with one another about a connecting axis 39 are connected.
  • the two legs 35 and 37 By means of a threaded spindle 41, having the thread 43, which in a corresponding threaded bore in the leg 37 engages, the two legs 35 and 37 by actuation for example a screw handle or if desired can be actuated by means of a torque wrench 45.
  • the Force by means of which the two legs 35 and 37 against each other are driven and thus the clamping ring 3 of the device depends on the dimensioning of the clamping tool or the setting of the torque wrench.
  • the clamping tool is under Use a torque wrench or screw handle with Articulation only by an example to the clamping device according to the 1 and 2 to tension.
  • Any other suitable, for example pliers-like clamping tools or even hydraulically or pneumatically operated clamping tools can be used for the Clamping the clamping ring can be used.
  • those in Fig. 7 illustrated spindle can of course by any other suitable actuation mechanisms such as hydraulic or pneumatically operated cylinders can be replaced.
  • Such an actuator can be both manually operated can also be driven by a motor.
  • the present invention is of course not based on the spindle shown in Fig. 7 limited.
  • Fig. 8 shows an application example, in which so-called Press or shrink rings are used, which none have outwardly projecting areas or areas of attack.
  • Press or shrink rings are used, which none have outwardly projecting areas or areas of attack.
  • the advantage of such "earless” or “stepless” Press or shrink rings is that they rotate cannot lead to imbalance.
  • the rubber bellows 53 is on the connecting shaft or propeller shaft 54 by means of a press or shrink ring 1 held.
  • This is analogous between the connecting shaft 54 and the wheel hub 52 arranged joint again by means of a Protected rubber bellows 53, which again by means of shrink or Press rings 1 is attached or secured.
  • any information, in particular repair information, Assembly data etc. on a shrink-fit according to the invention Press or shrink ring can be punched so that everyone Later time this information is available on the spot are.
  • an already installed one Shrink or press ring removed and replaced with a new one without removing the entire propeller shaft or the bellows must become.
  • already assembled can at any time Press or shrink rings are replaced, if for example updated the information on it or need to be replaced.
  • Fig. 9 shows the assembly process of a shrink or. Press ring 1 (not recognizable) on a shaft end 51 by means of a tensioning device according to the invention. Doing so the tensioning band or clamping band 3 by means of a clamping tool 30 tensioned by the two ends 5 and 7 of the strap or Clamping band to be tensioned. As already with reference to FIG. 7 mentioned, the clamping process takes place by means of a threaded spindle 41, which has a thread 43 in a corresponding threaded bore in one of the two legs of the clamping tool 33 intervenes.
  • Suitable clamping or clamping device which in particular can be carried out in the form of a hand tool at any time to be used locally for shrinking MCR.
  • the device according to the invention can also be used for small series assembly. It is also important that one such device according to the invention in the basic version without additional hydraulic or pneumatic peripheral devices can be operated.
  • One for each MCR-defined Monitor the closing force in a manual shrinking process to be able to, instead of the screw handle also a torque wrench matched to the device to use.
  • the clamping tool preferably has a pair of clamping legs Hinge and right- or left-acting threaded spindle as well Receiving slots for the strap ends 5 and 7.
  • the Clamping tool is by means of a screw handle or preferably with driven by a torque wrench via the threaded spindle.
  • a threaded spindle also some other suitable drive used for clamping the clamping tool can be, such as a hydraulic or pneumatic cylinder.
  • the tensioning process itself can either manually operated or by means of a motor drive.
  • the clamping device itself consists of two or more clamping jaws or closing segments, whereby according to the examples in 1 to 9 eight such segments are shown.
  • the Segments should be dimensioned or selected in such a way that they allow a closing path of approx. 3 mm in diameter.
  • the individual segments have side margins, which position the MCR sideways during the closing process.
  • the strap or the clamping ring holds the locking segments, like the eight Segments in Figs. 1 to 9, together as a unit.
  • the adaptation the individual MCR diameters can be changed of the closing segments.
  • the clamping tool or the locking device is through their Designed so that it is within the range of a the jaw leg securely clamped in a vice can be to the by the movement of the Counteracting lateral forces arising.
  • Clamping tools are used, for example any pliers-like tools or even pneumatic or hydraulic actuatable elements which are suitable for the open ends the clamping ring to drive each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Manipulator (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

An open tension ring (3) with a fixing section (5,7) at each end encloses two ring-shaped clamping jaws (11) which fit with their outer contour (12) against the ring and form a circular ring opening with their inner face (19). At least one spring-like member (15) is set between the clamping jaws to drive these apart and hold them secure in the ring. A tension member with at least two engagement sections engage against the fixing sections and tension the open ring to reduce its diameter. INdependent claims describe method for mounting and an arrangement where the fixing member is inside the clamping jaws to form a ring opening.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Anordnen, Spannen oder Schrumpfen eines ringförmigen Festhalteorganes, ein Verfahren zum Anordnen, Spannen oder Schrumpfen eines ringförmigen Festhalteorganes sowie eine Anordnung zum Schrumpfen bzw. Spannen von Klemm-, Press- oder Schrumpfringen, wie insbesondere von sogenannten Multi Crimp-Ringen.The present invention relates to a device for arranging, Tensioning or shrinking an annular retaining element, a method of arranging, tensioning or shrinking one annular retaining member and an arrangement for shrinking or clamping clamping, pressing or shrink rings, such as in particular of so-called multi crimp rings.

Zum Anordnen von weitgehendst kreisrunden Festhalteorganen, wie Klemm-, Press- oder Schrumpfringen, wie insbesondere die im Markt bestens bekannten sogenannten ohrlosen "Oetiker"-Klemmen, welche keine nach aussen vorstehenden Organe zum Ansetzen eines entsprechenden Montagewerkzeuges aufweisen, werden aufwendige und steuerungsintensive Montageanordnungen verwendet. Insbesondere aus der Automobilindustrie sind Einrichtungen bekannt zum Schrumpfen von sogenannten Multi Crimp-Ringen bei Gelenkwellen und Lenkgetrieben, zum Anordnen von Schutzgummibälgen für die Gewährleistung der Schmierung der Gelenke. Eine solche Vorrichtung ist aus dem Dokument EP 0 791 433 A bekannt.
So werden beispielsweise Pressringe mittels einer Anzahl von kreisrund angeordneten Verpressbacken, welche vorzugsweise hydraulisch oder pneumatisch betätigbar sind, geschrumpft, um beispielsweise über eine Gelenkwelle gestülpte Gummibälge fest anzuordnen. Diese bekannten Montageanordnungen sind geeignet für die automatisierte Montage von Gelenkwellen bzw. Lenkgetrieben im Automobil-Montageablauf.
To arrange largely circular retaining elements, such as clamping, pressing or shrinking rings, such as in particular the so-called earless "Oetiker" clamps, which are well known in the market and which have no externally protruding organs for attaching a corresponding assembly tool, complex and control-intensive assembly arrangements are used . Devices are known in particular from the automotive industry for shrinking so-called multi-crimp rings in drive shafts and steering gears, for arranging protective rubber bellows to ensure the lubrication of the joints. Such a device is known from document EP 0 791 433 A.
For example, pressing rings are shrunk using a number of circularly arranged pressing jaws, which can preferably be actuated hydraulically or pneumatically, in order, for example, to firmly arrange rubber bellows placed over a cardan shaft. These known assembly arrangements are suitable for the automated assembly of cardan shafts or steering gears in the automotive assembly process.

Im Zusammenhang mit Reparaturen an Gelenkwellen, Lenkgetrieben oder sogenannten Klemmverbindungen, die beispielsweise mit den sogenannten Multi Crimp-Ringen als Verbindungselemente ausgerüstet sind, besteht bis dato auf dem Markt keine Vorrichtung, die in Form eines Handwerkzeuges ausgeführt ist, um jederzeit vor Ort für das Schrumpfen von den erwähnten Multi Crimp-Ringen (MCR) eingesetzt zu werden. Auch Montageanordnungen für die Montage von Gelenkwellen und Lenkgetrieben bei Kleinstserie-Montagen sind nicht bekannt. Es ist auch wichtig, dass eine derartige Montageeinrichtung ohne zusätzliche hydraulische oder pneumatische Peripheriegeräte betreibbar ist, um auf die dazu notwendige Infrastruktur verzichten zu können.In connection with repairs to cardan shafts, steering gears or so-called clamp connections, for example with the so-called multi crimp rings equipped as connecting elements there is no device on the market to date, which is in the form of a hand tool, at any time on site for shrinking the mentioned multi crimp rings (MCR) to be used. Also assembly arrangements for the Assembly of cardan shafts and steering gears for small series assembly are not known. It is also important that one such mounting device without additional hydraulic or pneumatic peripherals is operable to do this to be able to do without the necessary infrastructure.

Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Vorrichtung zum Anordnen, Spannen oder Schrumpfen eines ringförmigen Festhalteorganes zu schaffen, welche vorzugsweise handbetreibbar ist und insbesondere auch geeignet ist für die Durchführung von Reparaturen bzw. für die Montage nur einzelner Festhalteorgane bzw. für individuelle Montagen.It is therefore an object of the present invention to provide an apparatus for arranging, tensioning or shrinking an annular To create retaining member, which is preferably hand operated is and is particularly suitable for implementation of repairs or for the assembly of only individual Retaining organs or for individual assemblies.

Erfindungsgemäss wird die gestellte Aufgabe mittels einer Vorrichtung insbesondere nach Anspruch 1 gelöst.According to the invention, the object is achieved by means of a device solved in particular according to claim 1.

Vorgeschlagen wird eine Vorrichtung zum Anordnen, Spannen oder Schrumpfen eines ringförmigen Festhalteorganes, mit

  • einem offenen Spannring bzw. ein Spannband mit je endständig einem Festhalteabschnitt,
  • mindestens zwei innerhalb des Spannringes angeordneten, ringsegmentförmig gebogenen, weitgehendst seitlich aneinanderstossenden Klemmbacken bzw. -segmente, welche mit ihrer äusseren ringsegmentartigen Kontur am Spannring anliegen und welche mit ihrer inneren ringförmigen Oberfläche insgesamt wenigstens nahezu eine kreisrunde Ringöffnung bilden,
  • je mindestens einem federartigen Organ zwischen je den seitlich aneinanderstossenden Klemmbacken, um diese voneinanderzutreiben bzw., um den Spannring im nicht gespannten Zustand in Durchmesser-vergrössernde Richtung auseinanderzutreiben und die Klemmbacken fest im Spannring zu halten und
  • einem Spannorgan mit mindestens zwei Eingreifabschnitten, vorgesehen, um an den Festhalteabschnitten eingreifend den offenen Spannring in Durchmesser-verkleinernder Richtung zu spannen.
A device for arranging, tensioning or shrinking an annular retaining element is proposed
  • an open clamping ring or a clamping band, each with a holding section at the end,
  • at least two clamping jaws or segments arranged within the clamping ring, bent in the shape of a ring segment and largely abutting one another laterally, which rest with their outer ring segment-like contour on the clamping ring and which overall form at least almost a circular ring opening with their inner annular surface,
  • each at least one spring-like member between each of the laterally abutting clamping jaws to drive them apart or to drive the clamping ring apart in the non-clamped state in the direction increasing the diameter and to hold the clamping jaws firmly in the clamping ring and
  • a clamping element with at least two engaging sections, provided in order to clamp the open clamping ring in the diameter-reducing direction by engaging the holding sections.

Bevorzugte Ausführungsvarianten der erfindungsgemässen Vorrichtung sind in den abhängigen Ansprüchen charakterisiert.Preferred design variants of the device according to the invention are characterized in the dependent claims.

Weiter beansprucht wird ein Verfahren zum Anordnen, Spannen oder Schrumpfen eines ringförmigen Festhalteorgans, wie beispielsweise eines Spann-, Press- oder Schrumpfringes, wobei das Festhalteorgan innerhalb einer Mehrzahl von weitgehendst kreisrund angeordneten Klemmbacken angeordnet wird, welche Klemmbacken mit ihrer inneren Oberfläche insgesamt eine weitgehendst kreisrunde Ringöffnung bilden und welche je seitlich, zwischen zwei Klemmbacken einen Abstand bildend, durch ein federartiges Organ voneinandergetrieben werden, worauf ein die Klemmbacken aussen umgreifender und diese haltender offener Spannring mittels eines Spannorgans in Durchmesser-verkleinernder Richtung gespannt wird, um die Klemmbacken weitgehendst radial senkrecht nach innen treibend zu bewegen und das Festhalteorgan, gegebenenfalls auf einem anzuordnenden bzw. zu montierenden Objekt, zu spannen oder zu schrumpfen.A method for arranging, tensioning is further claimed or shrinking an annular retention member, such as a clamping, pressing or shrink ring, whereby the detent within a plurality of largely circularly arranged clamping jaws is arranged, which jaws with their inner Overall, the surface has a largely circular ring opening form and which one on each side, between two jaws Forming a distance, driven by a spring-like organ become, whereupon the outside of the clamping jaws and this holding open clamping ring by means of a clamping member is stretched in the diameter-reducing direction to the Clamping jaws drive largely radially vertically inwards to move and the holding member, if necessary on a to be arranged or to be assembled, to clamp or to shrink.

Weitere bevorzugte Ausführungsvarianten des erfindungsgemässen Verfahrens sind in abhängigen Ansprüchen charakterisiert. Further preferred embodiments of the inventive Processes are characterized in dependent claims.

Die erfindungsgemäss definierte Vorrichtung wie auch das Verfahren sind insbesondere geeignet zum Schrumpfen von Klemm-, Press- oder Schrumpfringen, wie beispielsweise sogenannten Multi Crimp-Ringen.The device defined according to the invention as well as the method are particularly suitable for shrinking clamping, Press or shrink rings, such as so-called multi Crimp rings.

Die Erfindung wird nun anschliessend beispielsweise und unter Bezug auf die beigefügten Figuren näher erläutert.The invention will now, for example, and under With reference to the accompanying figures explained.

Dabei zeigen:

Fig. 1
eine erfindungsgemässe Anordnung in Seitenansicht, im nicht gespannten Zustand, vorgesehen, um einen Schrumpfring zu montieren,
Fig. 2
die Anordnung aus Fig. 1 in gespanntem Zustand, mit geschrumpftem Schrumpfring,
Fig. 3
eine Klemmbacke der Vorrichtung aus den Fig. 1 und 2 in Seitenansicht,
Fig. 4
im Schnitt, die Klemmbacke aus Fig. 3 entlang der Linie I-I,
Fig. 4a
einen Ausschnitt aus Fig. 4,
Fig. 5
im Schnitt, die Klemmbacke aus Fig. 3 entlang der Linie II-II,
Fig. 6
einen Spannring einer Anordnung gemäss den Fig. 1 und 2, geeignet für das Durchmesser-verkleinernde Zusammentreiben der Klemmbacken,
Fig. 7
ein Spannwerkzeug, geeignet für das Spannen des Spannringes bzw. Spannbandes der Vorrichtung gemäss den Fig. 1 oder 2,
Fig. 8
in Seitenperspektive, einen Ausschnitt einer Gelenkwelle, aussen umfasst mit einem flexiblen Gummibalg, angeordnet mit sogenannten Schrumpfringen, und
Fig. 9
in Perspektive, schematisch den Montagevorgang eines Schrumpfringes bei der Montage eines Faltenbalges für das Abbinden eines Wellenendes einer Gelenkwelle.
Show:
Fig. 1
an arrangement according to the invention in side view, in the untensioned state, is provided to mount a shrink ring,
Fig. 2
1 in a tensioned state, with a shrunk shrink ring,
Fig. 3
2 shows a clamping jaw of the device from FIGS. 1 and 2 in a side view,
Fig. 4
in section, the jaw from FIG. 3 along the line II,
Fig. 4a
4 shows a detail from FIG. 4,
Fig. 5
in section, the clamping jaw from FIG. 3 along the line II-II,
Fig. 6
1 and 2, suitable for the diameter-reducing collation of the jaws,
Fig. 7
a tensioning tool, suitable for tensioning the tensioning ring or tensioning strap of the device according to FIGS. 1 or 2,
Fig. 8
in side perspective, a section of a propeller shaft, outside with a flexible rubber bellows, arranged with so-called shrink rings, and
Fig. 9
in perspective, schematically the assembly process of a shrink ring when assembling a bellows for tying off a shaft end of a propeller shaft.

Fig. 1 zeigt eine erfindungsgemässe Spannanordnung, beispielsweise zum Anordnen bzw. Schrumpfen eines Press- oder Schrumpfringes, in Seitenansicht. Dabei wird der auf irgendeinem zu montierenden Objekt anzuordnende Spann- bzw. Press- oder Schrumpfring 1 im Innern der erfindungsgemässen Vorrichtung angeordnet, wobei der Spann- bzw. Press- oder Schrumpfring den Durchmesser D aufweist. Die Spannvorrichtung ist im nicht gespannten Zustand und weist die folgenden Einzelteile auf:1 shows a clamping arrangement according to the invention, for example for arranging or shrinking a press or shrink ring, in side view. In doing so, it becomes too mounting object to be arranged clamping or pressing or Shrink ring 1 arranged inside the device according to the invention, the clamping or pressing or shrink ring the Has diameter D. The tensioning device is not tensioned Condition and has the following items:

Einen äusseren, umfassenden, offenen Spannring bzw. ein Spannband 1 mit den offenen, gebogenen Enden 5 und 7, geeignet für das An- bzw. Eingreifen eines Spannwerkzeuges.An outer, comprehensive, open tension ring or strap 1 with the open, curved ends 5 and 7, suitable for engaging or engaging a clamping tool.

Mehrere ringförmig angeordnete Klemmbacken bzw. Klemmsegmente 11, welche mit ihren äusseren Oberflächen 12 an der Innenseite des Spannringes bzw. Spannbandes 3 an- bzw. aufliegen, bilden mit ihrer inneren Oberfläche 19 eine weitgehendst kreisrunde Ringöffnung. Die einzelnen Spannbacken bzw. Spannelemente 11 sind je seitlich durch einen Spalt voneinander beabstandet, welcher durch je zwischen den Klemmbacken bzw. Klemmsegmenten angeordnete Federn 15 gebildet wird, durch welche Federn die Klemmbacken voneinandergetrieben werden. Diese Federn 15 sind je in lochartigen Vertiefungen 17 in den Seitenflächen 13 der Klemmbacken bzw. -segmente 11 angeordnet bzw. gehalten. Durch diese Federn wird weiter sichergestellt, dass die - gemäss Darstellung in Fig. 1 acht - angeordneten Klemmbacken bzw. -segmente fest innerhalb des Spannringes bzw. Spannbandes 3 gehalten sind.Several annularly arranged jaws or segments 11, which with their outer surfaces 12 on the inside of the tension ring or tension band 3 rest or form with its inner surface 19 a largely circular Ring opening. The individual clamping jaws or clamping elements 11 are laterally spaced from each other by a gap, which each between the jaws or segments arranged springs 15 is formed, by which springs the Jaws are driven from one another. These springs 15 are each in hole-like depressions 17 in the side surfaces 13 of the Clamping jaws or segments 11 arranged or held. By these springs will further ensure that - as shown in Fig. 1 eight - arranged jaws or segments held firmly within the clamping ring or strap 3 are.

Durch Eingreifen eines Spannwerkzeuges, beispielsweise aufweisend die beiden zangenartigen Schenkel 31 und 33, in den aufgebogenen Enden 5 und 7, wird nun der Spannring bzw. das Spannband 3 in Durchmesser-verkleinernder Richtung gespannt, wodurch die Klemmbacken einerseits je seitlich gegen die Federkraft der Feder 15 getrieben werden und zudem radial senkrecht nach innen bewegt werden. Durch diese Einwärts-Bewegung der einzelnen Klemmbacken bzw. Klemmsegmente 11 wird selbstverständlich auch die innere, durch die Klemmbacken gebildete Ringöffnung in ihrem Durchmesser verkleinert, wodurch nun der Press- bzw. Schrumpfring 1 zusammengepresst bzw. geschrumpft wird, neu aufweisend einen Durchmesser D', welcher kleiner ist als der ursprüngliche Durchmesser D. In der Praxis hat es sich gezeigt, dass Durchmesser-Reduzierungen von ca. 3 mm erreicht werden können, wobei selbstverständlich die Grösse der Reduzierung auch von der Grösse der Spannvorrichtung abhängig ist. Mittels grösserer Spannvorrichtungen können selbstverständlich auch grössere Durchmesser-Reduzierungen erreicht werden.By engaging a clamping tool, for example having the two pliers-like legs 31 and 33, in the bent Ends 5 and 7, the tension ring or tension band is now 3 stretched in the diameter-reducing direction, whereby the jaws on the one hand laterally against the spring force of the Spring 15 are driven and also radially vertically inwards be moved. Through this inward movement of the individual Clamping jaws or clamping segments 11 will of course also be the inner ring opening formed by the jaws in her Reduced diameter, so that the press or Shrink ring 1 is compressed or shrunk, new a diameter D 'which is smaller than the original one Diameter D. In practice it has been shown that diameter reductions of approx. 3 mm are achieved can, of course the size of the reduction also depends on the size of the clamping device. Means Larger clamping devices can of course also larger diameter reductions can be achieved.

Beim Spannvorgang ist der Kreis erst dann geschlossen resp. der Durchmesser D' erreicht, wenn die Backen vollständig aneinanderliegend angeordnet sind, resp. die Backen geschlossen sind. Dabei hat es sich gezeigt, dass beim Spannen des Spannringes zunächst die unten liegenden Backen geschlossen werden und erst nachfolgend sukzessive die oben liegenden Backen zur Bildung des schlussendlich geschlossenen Kreises. During the clamping process, the circle is only closed or the Diameter D 'is reached when the jaws are fully adjacent are arranged, respectively. the jaws are closed. It has been shown that when tensioning the clamping ring first the jaws below are closed and first successively the upper jaws for formation of the finally closed circle.

Um zu zeigen, wie einerseits der Schrumpf- bzw. Pressring 1 bzw. 1' im Innern der Spannvorrichtung gehalten wird und andererseits, wie die Klemmbacken bzw. Klemmsegmente 11 innerhalb des Spannringes bzw. Spannbandes 3 gehalten werden, wird auf die Fig. 3 bis 5 verwiesen. Dabei zeigt Fig. 3 eine einzelne Klemmbacke bzw. ein Klemmelement 11, Fig. 4 einen Schnitt durch das Segment aus Fig. 3, entlang der Linie I-I und Fig. 5 einen Schnitt entlang der Linie II-II des Segmentes bzw. der Klemmbacke aus Fig. 3.To show how the shrink ring or press ring 1 or 1 'is held inside the clamping device and on the other hand, like the jaws or segments 11 within the clamping ring or strap 3 are held on 3 to 5 referenced. 3 shows a single one Clamping jaw or a clamping element 11, Fig. 4 shows a section through 3 along the line I-I and FIG. 5 one Section along the line II-II of the segment or the jaw from Fig. 3.

In Fig. 4 ist nun deutlich erkennbar, dass sowohl die äussere Oberfläche 12 wie auch die innere Oberfläche 19 der Backe bzw. des Segmentes 11 derart ausgebildet sind, dass einerseits die Klemmbacke 11 seitlich verrutschfest im Innern des Spannringes 3 gehalten wird und andererseits der Press- bzw. Schrumpfring 1 seitlich verrutschfest innerhalb der ringförmigen Öffnung der Klemmvorrichtung. So weist die innere Oberfläche 19 je seitlich Führungsschienen bzw. Ränder 21 auf, innerhalb welcher der zu verpressende Press- bzw. Schrumpfring gehalten wird. Dabei ist insbesondere in Fig. 4a deutlich erkennbar, dass die gegen die innere Oberfläche 19 gerichtete Seitenflanke je der beiden Ränder 23 konisch schräg verlaufend ausgebildet ist, um beim Schrumpfen eine Verbreiterung des Ringes zu verhindern. Durch diese Ränder wird eher erreicht, dass die Dicke des Ringes beim Schrumpfprozess leicht zunimmt, was vorteilhaft ist. Die äussere Oberfläche 12 weist wiederum je seitlich Führungsschienen bzw. Ränder 23 auf sowie eine innere Gleitfläche 27, welche gegenüber den seitlichen Führungsschienen 23 durch nach innen ragende Längsnuten 25 beabstandet ist. Durch die Ausbildung der äusseren Oberfläche durch Reduktion der Auflagefläche wird zudem ein besseres Gleiten des Spannringes 3 auf der äusseren Oberfläche 12 der Klemmbacken bzw. Klemmelemente 11 erreicht. Die mittig bandartig ausgebildete Oberfläche 27 kann zudem mit einer reibungsvermindernden Beschichtung versehen sein, um ein gutes Gleiten während des Press- bzw. Spannvorgangs zu ermöglichen. Selbstverständlich kann die bessere Gleitung auch durch das Anordnen von Schmiermitteln, Schmierölen usw. erreicht werden.In Fig. 4 it can now be clearly seen that both the outer Surface 12 as well as the inner surface 19 of the jaw or of the segment 11 are designed such that on the one hand the Clamping jaw 11 laterally slip-proof inside the clamping ring 3 is held and on the other hand the press or shrink ring 1 laterally slip-resistant within the annular opening of the Clamping device. Thus, the inner surface 19 faces laterally Guide rails or edges 21, within which the to pressing or shrink ring is held. It is In particular in Fig. 4a clearly recognizable that against the inner surface 19 directed side flank of each of the two edges 23 is designed conically inclined to at To prevent shrinkage from widening the ring. By these edges are more likely to reach the thickness of the ring when Shrinking process increases slightly, which is beneficial. The exterior Surface 12 again has guide rails on each side or edges 23 and an inner sliding surface 27, which opposite the side guide rails 23 by protruding inwards Longitudinal grooves 25 is spaced. By training the outer surface by reducing the contact surface is also a better sliding of the clamping ring 3 on the outer Surface 12 of the jaws or clamping elements 11 is reached. The surface 27 in the form of a band can also be used be provided with a friction-reducing coating To allow good sliding during the pressing or clamping process. Of course, the better gliding can also be done by arranging lubricants, lubricating oils, etc. can be achieved.

Fig. 5 zeigt die seitliche Stirnfläche 13 einer Klemmbacke bzw. eines Klemmsegmentes 11, in welcher Stirnfläche die Vertiefung 17 erkennbar ist, in welcher die zwischen zwei Klemmbacken angeordneten Federn gehalten werden.5 shows the lateral end face 13 of a clamping jaw or a clamping segment 11, in which end face the recess 17 can be seen in which the arranged between two jaws Feathers are held.

Fig. 6 wiederum zeigt einen Spannring bzw. ein Spannband 3 mit den nach auswärts gebogenen Enden 5 und 7, vorgesehen für das Eingreifen eines Spannwerkzeuges.6 in turn shows a clamping ring or a clamping band 3 with the outwardly bent ends 5 and 7, intended for the Intervention of a clamping tool.

In Fig. 7 ist nun dargestellt, wie eine Spannvorrichtung mittels eines Spannwerkzeuges gespannt werden kann, für das Anordnen des Press- bzw. Schrumpfringes. Wie bereits ansatzweise in Fig. 2 dargestellt, kann mittels eines Spannwerkzeugs 30 und entsprechenden zangenartigen Schenkeln 31 und 33 in den Endabschnitt 5 und 7 des Spannringes 3 eingegriffen werden. Damit die aufgebogenen Enden 5 und 7 sicher im Spannwerkzeug gehalten werden, können in den endständigen Partien der Schenkel 31 und 33 auch Schlitze angeordnet sein, in welche die Bandenden eingreifen.In Fig. 7 is now shown how a clamping device by means of a clamping tool can be clamped for arranging of the press or shrink ring. As already partially in Fig. 2, can by means of a clamping tool 30 and corresponding pliers-like legs 31 and 33 in the end section 5 and 7 of the clamping ring 3 are engaged. In order to the bent ends 5 and 7 are held securely in the clamping tool can be in the terminal parts of the legs 31 and 33 slots can also be arranged in which the band ends engage.

Gemäss Fig. 7 besteht das Spannwerkzeug einerseits aus den Endpartien 31 und 33, vorgesehen, um in den Enden 5 und 7 des Spannringes einzugreifen, sowie den beiden Schenkeln 35 und 37, welche um eine Verbindungsachse 39 schwenkbeweglich miteinander verbunden sind. 7, the clamping tool consists on the one hand of the end parts 31 and 33, provided to end 5 and 7 of the To engage the clamping ring and the two legs 35 and 37, which are pivotable with one another about a connecting axis 39 are connected.

Mittels einer Gewindespindel 41, aufweisend das Gewinde 43, welches in einer entsprechenden Gewindebohrung im Schenkel 37 eingreift, können die beiden Schenkel 35 und 37 durch Betätigung beispielsweise eines Schraubgriffes oder falls erwünscht mittels eines Drehmomentschlüssels 45 betätigt werden. Die Kraft, mittels welcher die beiden Schenkel 35 und 37 gegeneinander getrieben werden und damit der Spannring 3 der Vorrichtung gespannt wird, hängt ab von der Dimensionierung des Spannwerkzeuges bzw. der Einstellung des Drehmomentschlüssels.By means of a threaded spindle 41, having the thread 43, which in a corresponding threaded bore in the leg 37 engages, the two legs 35 and 37 by actuation for example a screw handle or if desired can be actuated by means of a torque wrench 45. The Force by means of which the two legs 35 and 37 against each other are driven and thus the clamping ring 3 of the device depends on the dimensioning of the clamping tool or the setting of the torque wrench.

Selbstverständlich handelt es sich beim Spannwerkzeug unter Verwendung eines Drehmomentschlüssels oder Schraubgriffes mit Gelenk nur um ein Beispiel, um die Spannvorrichtung gemäss den Fig. 1 und 2 zu spannen. Irgendwelche andere geeignete, beispielsweise zangenartige Spannwerkzeuge oder gar hydraulisch oder pneumatisch betriebene Spannwerkzeuge, können für das Spannen des Spannringes verwendet werden. Auch die in Fig. 7 dargestellte Spindel kann selbstverständlich durch irgendwelche andere, geeignete Betätigungsmechanismen wie beispielsweise hydraulisch oder pneumatisch betätigbare Zylinder ersetzt werden. Ein derartiges Betätigungsorgan kann sowohl handbetätigbar wie auch mittels eines Motors angetrieben werden. Mit anderen Worten ist die vorliegende Erfindung selbstverständlich nicht auf die in Fig. 7 dargestellte Spindel eingeschränkt.Of course, the clamping tool is under Use a torque wrench or screw handle with Articulation only by an example to the clamping device according to the 1 and 2 to tension. Any other suitable, for example pliers-like clamping tools or even hydraulically or pneumatically operated clamping tools can be used for the Clamping the clamping ring can be used. Also those in Fig. 7 illustrated spindle can of course by any other suitable actuation mechanisms such as hydraulic or pneumatically operated cylinders can be replaced. Such an actuator can be both manually operated can also be driven by a motor. In other words the present invention is of course not based on the spindle shown in Fig. 7 limited.

Fig. 8 zeigt ein Anwendungsbeispiel, bei welchem vermehrt sogenannte Press- oder Schrumpfringe verwendet werden, welche keine nach aussen vorstehenden Partien bzw. Angriffsflächen aufweisen. Der Vorteil derartiger "ohrloser" bzw. "stufenloser" Press- bzw. Schrumpfringe liegt darin, dass sie bei Rotation nicht zu Unwucht führen können. Fig. 8 shows an application example, in which so-called Press or shrink rings are used, which none have outwardly projecting areas or areas of attack. The advantage of such "earless" or "stepless" Press or shrink rings is that they rotate cannot lead to imbalance.

Dabei zeigt Fig. 8 eine Halbachse bzw. eine Gelenkwelle zwischen Antriebswelle 51 und Radnabe 52, welche durch zwei Gummibälge geschützt ist. Auf einer inneren Antriebswelle 51 ist ein Schrumpf- bzw. Pressring 1 angeordnet, um den Balg 53 auf dem Wellenende zu halten. Deutlich erkennbar am Schrumpf- bzw. Pressring 1 ist die Verbindungsnaht 2, welche entweder bereits vor Aufbringen des Schrumpf- bzw. Pressringes fest verbunden ist, oder aber welche beim Verpressvorgang verfestigt wird.8 shows a semi-axis or an articulated shaft between Drive shaft 51 and wheel hub 52, which by two rubber bellows is protected. On an inner drive shaft 51 is a Shrink or press ring 1 arranged to the bellows 53 on the To hold shaft end. Clearly recognizable by the shrink or Press ring 1 is the connecting seam 2, which is either already firmly attached before applying the shrink ring or press ring is, or which is solidified during the pressing process.

Am anderen Ende ist der Gummibalg 53 auf der Verbindungswelle bzw. Gelenkwelle 54 mittels eines Press- bzw. Schrumpfringes 1 gehalten. Analog ist das zwischen Verbindungswelle 54 und Radnabe 52 angeordnete Verbindungsgelenk wiederum mittels eines Gummibalges 53 geschützt, der erneut mittels Schrumpf- bzw. Pressringen 1 befestigt bzw. gesichert ist. Gerade bei derartigen Gelenkwellen ist es nun möglich, dass bei allfälligen Reparaturarbeiten oder beim Auswechseln einer ganzen Gelenkwelle irgendwelche Informationen, wie insbesondere Reparaturangaben, Montagedaten usw. auf einem erfindungsgemäss aufgeschrumpften Press- bzw. Schrumpfring eingestanzt werden können, so dass jeder Zeit spätere an Ort und Stelle diese Informationen verfügbar sind. Gegebenenfalls kann auch ein bereits montierter Schrumpf- oder Pressring entfernt und durch einen neuen ersetzt werden, ohne dass die gesamte Gelenkwelle bzw. der Balg entfernt werden muss. Somit können jederzeit bereits montierte Press- bzw. Schrumpfringe ausgewechselt werden, falls beispielsweise die darauf angebrachten Informationen aufdatiert oder ersetzt werden müssen.At the other end, the rubber bellows 53 is on the connecting shaft or propeller shaft 54 by means of a press or shrink ring 1 held. This is analogous between the connecting shaft 54 and the wheel hub 52 arranged joint again by means of a Protected rubber bellows 53, which again by means of shrink or Press rings 1 is attached or secured. Especially with such PTO shafts it is now possible for any repair work or when replacing an entire cardan shaft any information, in particular repair information, Assembly data etc. on a shrink-fit according to the invention Press or shrink ring can be punched so that everyone Later time this information is available on the spot are. If necessary, an already installed one Shrink or press ring removed and replaced with a new one without removing the entire propeller shaft or the bellows must become. Thus, already assembled can at any time Press or shrink rings are replaced, if for example updated the information on it or need to be replaced.

Fig. 9 schlussendlich zeigt den Montagevorgang eines Schrumpf-bzw. Pressringes 1 (nicht erkennbar) auf einem Wellenende 51 mittels einer erfindungsgemässen Spannvorrichtung. Dabei wird das Spannband bzw. Klemmband 3 mittels eines Klemmwerkzeuges 30 gespannt, indem die beiden Enden 5 und 7 des Spannbandes bzw. Klemmbandes gespannt werden. Wie bereits unter Bezug auf Fig. 7 erwähnt, erfolgt der Spannvorgang mittels einer Gewindespindel 41, welche mit einem Gewinde 43 in einer entsprechenden Gewindebohrung in einem der beiden Schenkel des Spannwerkzeuges 33 eingreift.Fig. 9 shows the assembly process of a shrink or. Press ring 1 (not recognizable) on a shaft end 51 by means of a tensioning device according to the invention. Doing so the tensioning band or clamping band 3 by means of a clamping tool 30 tensioned by the two ends 5 and 7 of the strap or Clamping band to be tensioned. As already with reference to FIG. 7 mentioned, the clamping process takes place by means of a threaded spindle 41, which has a thread 43 in a corresponding threaded bore in one of the two legs of the clamping tool 33 intervenes.

Insbesondere im Zusammenhang mit Reparaturen an Gelenkwellen, Lenkgetrieben oder sonstigen Klemmverbindungen, die beispielsweise mit sogenannten Multi Crimp-Ringen (MCR) als Verbindungselemente ausgerüstet sind, ist die erfindungsgemäss dargestellte Spann- bzw. Klemmvorrichtung geeignet, welche insbesondere in Form eines Handwerkzeuges ausgeführt sein kann, um jederzeit vor Ort für das Schrumpfen von MCR eingesetzt zu werden. Die erfindungsgemässe Vorrichtung findet auch mögliche Anwendung für Kleinserienmontagen. Es ist auch wichtig, dass eine solche erfindungsgemässe Vorrichtung in der Basisausführung ohne zusätzliche hydraulische oder pneumatische Peripheriegeräte betrieben werden kann. Um jeweils eine je MCR-festgelegte Schliesskraft bei einem handbetriebenen Schrumpfvorgang überwachen zu können, besteht die Möglichkeit, anstelle des Schraubgriffes auch einen für die Vorrichtung abgestimmten Drehmomentschlüssel zu verwenden. Somit besteht auch bei dieser einfachen Vorrichtung die Möglichkeit, die Schrumpfkraft in vergleichbarer Art und Weise wie diejenige bei industriellen Schrumpfanlagen zu überwachen. Zudem kann auch der je MCR-Grösse unterschiedliche Schrumpfweg kontrolliert werden, da die erfindungsgemässe Vorrichtung auf die verschiedenen Durchmesser abgestimmt, d.h. mit verschiedenen Schliesssegmenten ausgerüstet werden kann, die im kleinstmöglichen Durchmesser durch die Vorrichtung und das Spannband zusammengezogen werden. Wie bereits oben erwähnt, lassen sich leicht Durchmesser-Reduzierungen von ca. 3 mm und mehr erreichen.Especially in connection with repairs to cardan shafts, Steering gear or other clamp connections, for example with so-called Multi Crimp Rings (MCR) as connecting elements are equipped, that is shown according to the invention Suitable clamping or clamping device, which in particular can be carried out in the form of a hand tool at any time to be used locally for shrinking MCR. The device according to the invention can also be used for small series assembly. It is also important that one such device according to the invention in the basic version without additional hydraulic or pneumatic peripheral devices can be operated. One for each MCR-defined Monitor the closing force in a manual shrinking process to be able to, instead of the screw handle also a torque wrench matched to the device to use. So there is also a simple one Device the ability to compare the shrink force The same way as in industrial shrinking plants to monitor. In addition, the size of each MCR can be different Shrinkage path are controlled because the inventive Device adapted to the different diameters, i.e. equipped with different locking segments can be the smallest possible diameter through the device and tighten the strap. As before Above mentioned, diameter reductions of are easy reach approx. 3 mm and more.

Das Spannwerkzeug weist vorzugsweise ein Spannschenkelpaar mit Scharnier und rechts- bzw. linkswirkender Gewindespindel sowie Aufnahmeschlitzen für die Spannbandenden 5 und 7 auf. Das Spannwerkzeug wird mittels Schraubgriff oder vorzugsweise mit einem Drehmomentschlüssel über die Gewindespindel angetrieben. Auch in bezug auf Fig. 9 ist wiederholt zu betonen, dass selbstverständlich anstelle einer Gewindespindel auch irgendein anderer geeigneter Antrieb zum Spannen des Spannwerkzeuges verwendet werden kann, wie beispielsweise ein hydraulischer oder pneumatischer Zylinder. Der Spannvorgang selbst kann entweder handbetätigt oder mittels eines Motorantriebes erfolgen.The clamping tool preferably has a pair of clamping legs Hinge and right- or left-acting threaded spindle as well Receiving slots for the strap ends 5 and 7. The Clamping tool is by means of a screw handle or preferably with driven by a torque wrench via the threaded spindle. It should also be emphasized repeatedly with reference to FIG. 9 that of course, instead of a threaded spindle also some other suitable drive used for clamping the clamping tool can be, such as a hydraulic or pneumatic cylinder. The tensioning process itself can either manually operated or by means of a motor drive.

Die Spannvorrichtung selbst besteht aus zwei oder mehr Klemmbacken bzw. Schliesssegmenten, wobei gemäss den Beispielen in den Fig. 1 bis 9 acht derartige Segmente dargestellt sind. Die Segmente sollten derart dimensioniert bzw. ausgewählt werden, dass sie einen Schliessweg von ca. 3 mm im Durchmesser ermöglichen. Die einzelnen Segmente verfügen über Seitenränder, welche den MCR beim Schliessvorgang seitlich positionieren. Das Spannband bzw. der Spannring hält die Schliesssegmente, wie die acht Segmente in den Fig. 1 bis 9, als Einheit zusammen. Die Anpassung auf die einzelnen MCR-Durchmesser kann durch Auswechseln der Schliesssegmente erfolgen.The clamping device itself consists of two or more clamping jaws or closing segments, whereby according to the examples in 1 to 9 eight such segments are shown. The Segments should be dimensioned or selected in such a way that they allow a closing path of approx. 3 mm in diameter. The individual segments have side margins, which position the MCR sideways during the closing process. The strap or the clamping ring holds the locking segments, like the eight Segments in Figs. 1 to 9, together as a unit. The adaptation the individual MCR diameters can be changed of the closing segments.

Das Spannwerkzeug bzw. die Schliessvorrichtung ist durch ihre Konstruktion so konzipiert, dass es bzw. sie im Bereich einer der Spannbackenschenkel in einem Schraubstock sicher gespannt werden kann, um den beim Schliessvorgang durch die Bewegung des Schraubgriffes entstehenden seitlichen Kräften entgegenzuwirken.The clamping tool or the locking device is through their Designed so that it is within the range of a the jaw leg securely clamped in a vice can be to the by the movement of the Counteracting lateral forces arising.

Bei den in den Fig. 1 bis 9 dargestellten Klemmvorrichtungen handelt es sich selbstverständlich nur um Beispiele, welche in x-beliebiger Art und Weise abgeändert, ergänzt oder modifiziert werden können. So ist es grundsätzlich eine Frage der Optimierung, ob zwei, drei, fünf, acht oder gar mehr Klemmbacken bzw. Klemmsegmente verwendet werden. Auch die in den Figuren dargestellten Federn zwischen den einzelnen Klemmsegmenten können durch andere federartige Organe ersetzt werden, welche ein Auseinandertreiben der seitlich aneinanderstossenden Klemmbacken bewirken. Auch das Material steht nicht primär im Vordergrund, wohl dürfte in der Regel gehärteter Stahl im Vordergrund stehen, doch sind auch Aluminium oder gar verstärkte Kunststoffe je nach Einsatzgebiet durchaus denkbar.In the clamping devices shown in FIGS. 1 to 9 it is of course only examples that in Modified, supplemented or modified in any way can be. So it's basically a question of optimization, whether two, three, five, eight or even more jaws or Clamp segments are used. Also those shown in the figures Springs between the individual clamping segments can to be replaced by other feather-like organs which drive them apart of the side-by-side clamping jaws cause. The material is also not the main focus, usually hardened steel should be in the foreground, but there are also aluminum or even reinforced plastics depending on the area of application.

Auch für das Spannen der Spannvorrichtung können verschiedenste Spannwerkzeuge verwendet werden, beispielsweise irgendwelche zangenartigen Werkzeuge oder gar pneumatisch oder hydraulisch betätigbare Elemente, welche geeignet sind, um die offenen Enden des Spannringes zueinanderzutreiben.A wide variety can also be used for tensioning the tensioning device Clamping tools are used, for example any pliers-like tools or even pneumatic or hydraulic actuatable elements which are suitable for the open ends the clamping ring to drive each other.

Claims (13)

  1. Device for arranging, clamping or shrinking a ring-like securing member, with
    an open clamping ring (3) with a securing portion (5, 7) at each end,
    at least two gripping jaws (11), which are arranged inside the clamping ring, are curved in the manner of a ring and as far as possible laterally abut, and which with their outer contour (12) bear against the clamping ring and with their inner surface (19), as a whole, form at least approximately a circular ring opening,
    in each case at least one spring-like member (15) between each of the laterally abutting gripping jaws, in order to drive the latter away from one another, or drive the clamping ring apart in the direction which increases the diameter of the ring opening when in the unclamped state and hold the gripping jaws firmly in the clamping ring, and
    a clamping member (30) with at least two engaging portions (31, 33), provided in order, when engaging on the securing portions, to clamp the open clamping ring in the diameter-reducing direction.
  2. Device according to Claim 1, characterised in that the gripping jaws have an outer surface, provided in order to bear against or upon the inside of the clamping ring with respective lateral guiding borders (23), for the purpose of holding the gripping jaws against the clamping ring in a laterally guided manner, the guiding borders being spaced apart from one another in such a way that the clamping ring can slide freely on the outer surface of the gripping jaws.
  3. Device according to either of Claims 1 and 2,
    characterised in that the inner surfaces (19) of each of the gripping jaws, which, as a whole, form an approximately circular ring opening, have respective laterally protruding guiding borders (21), of which the respective inner lateral flank (20) directed towards the inner surface is designed to run obliquely. or conically inwards in order to prevent a widening of the band width of the ring-like securing member during the shrinking or clamping thereof.
  4. Device according to Claim 2 or 3, characterised in that the bearing surface for the inside of the clamping ring on the outer surface of the gripping jaws has, in. the longitudinal direction of the clamping ring, respective grooves (25) projecting laterally into the gripping jaws, and/or the surface or bearing surface (27) is coated or provided with a friction-reducing material.
  5. Device according to one of Claims 1 to 4,
    characterised in that the gripping jaws have, in or on the end face or side face (13), directed towards the respective adjacently arranged gripping jaw, one or more recess(es) or perforation(s) (17) for receiving the spring-like members (15), two respective recesses or perforations of two respective abutting gripping jaws being arranged in mutual alignment in such a way that the respectively arranged spring-like member(s) exerts (exert) an as far as possible perpendicular force on the side face of the respective gripping jaw.
  6. Device according to one of Claims 1 to 5,
    characterised in that at least three gripping jaws or gripping segments or preferably four to eight gripping jaws or gripping segments are provided.
  7. Device according to one of Claims 1 to 6,
    characterised in that the clamping member (30) has at least two pincer-like gripping limbs (35, 37), each with an engaging portion for engaging on the securing portions, and also a member (41, 43) which generates a force component in order to drive the two limbs towards one another for the purpose of clamping the clamping ring.
  8. Device according to Claim 7, characterised in that the member which generates the force component has, for example, a threaded spindle or another suitable means, by means of which the two limbs can be moved away from or towards one another, and also a member for moving the, for example, threaded spindle or the suitable other means, such as for example a screw handle, a torque wrench and the like.
  9. Device according to Claim 7 or 8, characterised in that the clamping member is pneumatically and/or hydraulically actuable.
  10. Method for arranging, clamping or shrinking a ringshaped securing member, such as in particular a press ring, gripping ring or shrink ring, in which the securing member is arranged inside a plurality of as far as possible circularly arranged gripping jaws or segments, which jaws or segments with their inner surfaces, as a whole, form an as far as possible circular ring opening and which are each driven laterally, between two respective gripping jaws or gripping segments, away from one another by a spring-like member so as to form a spacing, whereupon an open clamping ring, encompassing the gripping jaws or gripping segments on the outside and holding them, is clamped by means of a clamping member in the diameter-reducing direction in order to move the gripping jaws in a driving manner as far as possible radially perpendicularly inwards and to clamp or shrink the securing member, such as the press ring, gripping ring or shrink ring, as appropriate on an object to be arranged or secured.
  11. Method according to Claim 10, characterised in that, for the purpose of clamping the clamping member, two pincer-like limbs are moved towards one another in the pincer-closing direction by means of a threaded spindle, the threaded spindle being actuated, for example, by means of a screw handle or a torque wrench.
  12. Method according to Claim 10, characterised in that the clamping member is pneumatically or hydraulically actuated.
  13. Arrangement for shrinking or clamping gripping rings, press rings or shrink rings, such as in particular so-called multi-crimp rings, using a device according to one of Claims 1 to 9.
EP98118718A 1998-10-02 1998-10-02 Device for positioning, clamping and compacting a ring-shaped holder Expired - Lifetime EP0990490B1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP98118718A EP0990490B1 (en) 1998-10-02 1998-10-02 Device for positioning, clamping and compacting a ring-shaped holder
ES98118718T ES2167827T3 (en) 1998-10-02 1998-10-02 DEVICE FOR DISPOSING, TIGHTENING OR DELAYING A RETAINING ORGAN IN THE FORM OF A RING.
DE59802078T DE59802078D1 (en) 1998-10-02 1998-10-02 Device for arranging, tensioning or shrinking an annular holding member
AT98118718T ATE208246T1 (en) 1998-10-02 1998-10-02 DEVICE FOR ARRANGING, TENSIONING OR SHRINKING A RING-SHAPED RETENTION ORGANIC
PT98118718T PT990490E (en) 1998-10-02 1998-10-02 DEVICE FOR PLACEMENT OR TIGHTENING OF A RING-SHAPED RETAINING ORGA
CA002345974A CA2345974C (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting a ring-shaped securing mechanism
AU55011/99A AU754451B2 (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting a ring-shaped securing mechanism
JP2000573515A JP4565746B2 (en) 1998-10-02 1999-09-13 A device that mounts, tightens or contracts a ring-shaped fixed holding mechanism
MXPA01003218A MXPA01003218A (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting a ring-shaped securing mechanism.
BR9914140-0A BR9914140A (en) 1998-10-02 1999-09-13 Device and method for the arrangement, tightening or contraction of a ring-shaped retaining member as well as arrangement for the contraction or tightening of clamping, pressure or contraction rings
PCT/CH1999/000427 WO2000020175A1 (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting a ring-shaped securing mechanism
US09/806,527 US6634202B1 (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting a ring shaped securing mechanism
KR1020017004189A KR100614821B1 (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting a ring-shaped securing mechanism
CNB998116947A CN1144660C (en) 1998-10-02 1999-09-13 Device for arranging, clamping or contracting ring-shaped securing mechanism
ZA200102485A ZA200102485B (en) 1998-10-02 2001-03-27 Device for arranging, clamping or contracting a ring-shaped securing mechanism.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98118718A EP0990490B1 (en) 1998-10-02 1998-10-02 Device for positioning, clamping and compacting a ring-shaped holder

Publications (2)

Publication Number Publication Date
EP0990490A1 EP0990490A1 (en) 2000-04-05
EP0990490B1 true EP0990490B1 (en) 2001-11-07

Family

ID=8232746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118718A Expired - Lifetime EP0990490B1 (en) 1998-10-02 1998-10-02 Device for positioning, clamping and compacting a ring-shaped holder

Country Status (15)

Country Link
US (1) US6634202B1 (en)
EP (1) EP0990490B1 (en)
JP (1) JP4565746B2 (en)
KR (1) KR100614821B1 (en)
CN (1) CN1144660C (en)
AT (1) ATE208246T1 (en)
AU (1) AU754451B2 (en)
BR (1) BR9914140A (en)
CA (1) CA2345974C (en)
DE (1) DE59802078D1 (en)
ES (1) ES2167827T3 (en)
MX (1) MXPA01003218A (en)
PT (1) PT990490E (en)
WO (1) WO2000020175A1 (en)
ZA (1) ZA200102485B (en)

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Also Published As

Publication number Publication date
KR20010075544A (en) 2001-08-09
PT990490E (en) 2002-03-28
CA2345974A1 (en) 2000-04-13
JP2002526722A (en) 2002-08-20
CN1321115A (en) 2001-11-07
ATE208246T1 (en) 2001-11-15
EP0990490A1 (en) 2000-04-05
MXPA01003218A (en) 2002-04-24
US6634202B1 (en) 2003-10-21
BR9914140A (en) 2001-06-19
WO2000020175A1 (en) 2000-04-13
JP4565746B2 (en) 2010-10-20
AU754451B2 (en) 2002-11-14
ZA200102485B (en) 2001-11-09
CA2345974C (en) 2008-06-17
CN1144660C (en) 2004-04-07
AU5501199A (en) 2000-04-26
ES2167827T3 (en) 2002-05-16
KR100614821B1 (en) 2006-08-25
DE59802078D1 (en) 2001-12-13

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