EP1455969B1 - Dispositif de compression - Google Patents

Dispositif de compression Download PDF

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Publication number
EP1455969B1
EP1455969B1 EP02799743A EP02799743A EP1455969B1 EP 1455969 B1 EP1455969 B1 EP 1455969B1 EP 02799743 A EP02799743 A EP 02799743A EP 02799743 A EP02799743 A EP 02799743A EP 1455969 B1 EP1455969 B1 EP 1455969B1
Authority
EP
European Patent Office
Prior art keywords
pressing
pressing device
press
lever
members
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
EP02799743A
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German (de)
English (en)
Other versions
EP1455969A1 (fr
Inventor
Egbert Frenken
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.)
Gustav Klauke GmbH
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Gustav Klauke GmbH
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Publication date
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Publication of EP1455969A1 publication Critical patent/EP1455969A1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand 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
    • B25B27/10—Hand 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/046—Connecting tubes to tube-like fittings
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5367—Coupling to conduit
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool

Definitions

  • the invention relates to a pressing device for the connection pressing of tubular workpieces, in particular of a pipe end on the one hand with a plugged fitting on the other hand, with plastic deformation at least one of the workpieces, with several pressing members, wherein the pressing members for performing the pressing on a central longitudinal axis of the workpieces are to be moved ,
  • Such a pressing device is known, for example, from US Pat. No. 3,662,450.
  • this known pressing device is advantageous that the individual pressing members are to move centrally on the longitudinal axis of the workpieces to be joined.
  • this known pressing device is complicated insofar as the individual pressing members are each hydraulically operated individually.
  • the invention is concerned with the task of specifying a pressing device with a plurality of pressing jaws, which allows a centralized as possible delivery of the pressing members during the pressing with a comparatively simple structure.
  • the angle levers are each connected to a tensile force transmitting toggle lever knee-like.
  • the angle lever is also to be referred to as one of the two articulated levers of a knee joint, as mentioned below also predominantly.
  • the introduction of force into a toggle lever is also preferably outside an outer joint.
  • the joints of the toggle-type arrangement connected to a pressing member are outer joints.
  • the first and the second pressing member are arranged opposite one another with respect to the pressing cross-section.
  • an opposing arrangement of the pressing members is preferably understood to mean one in which the ends of two pressing members with respect to a reference line extending within the pressing cross-sectional plane face each other in mirror symmetry. It is further preferred that each of the two pairs formed so as to each other in the circumferential direction facing each other ends of the first and second pressing member is associated with a toggle lever, wherein the ends of a pair, each having an outer joint of the associated Knee lever are connected. In particular, there is also the possibility that the knee levers are arranged mirror-symmetrically with respect to a reference line extending within a pressing cross-sectional plane and perpendicular to the aforementioned symmetry axis.
  • the toggle lever in turn to achieve synchronization of their movement sequence or the uniform distribution of force transmission with each other be motion or force coupled, this example.
  • rigid or flexible transmission elements such as levers, articulated levers, cables or other appropriate means.
  • toggle lever ends of pressing members are connected by single or double joints with a corresponding number of hinge pins, or, as will be explained below, have sliding guides.
  • the two toggle levers of a toggle lever have different lengths to each other, so that the knee joint to the associated with the toggle press members has different distances.
  • the length of the one articulated lever may be a multiple, preferably two to three times the length of the second articulated lever connected thereto.
  • a force introduction into a joint lever outside an outer joint offers further advantages, depending on the position of the point of application of force on the articulated lever and depending on the direction of the attacking force.
  • the location of the introduction of force is away from a straight line through the knee joint and the outer joint of the joint lever experiencing the force attack and that the introduced force has a component in the direction of this straight line
  • a torque is transmitted by the force applied to the toggle lever, depending on the selected distance ratio outer joint / location of the force and outer joint / knee joint, if necessary, a movement or force transmission or reduction on the connected to the toggle ends of the pressing members is possible.
  • a comparatively shorter articulated lever of a toggle lever is eccentric to the outer joint Having force introduction element.
  • the force introduction element can be, for example, a bolt which is connected to the articulated lever in its direction of movement in a positive, force or material fit.
  • Corresponding toggle levers or angle levers may have, for example, a triangular shape, in the triangular regions of which the outer joint, the knee joint and the force introduction element are distributed, wherein the corner regions with the force introduction elements determine the smallest distance between the shorter articulated levers of two toggle levers.
  • the outer joints of these two articulated levers are articulated in the region of the two opposite ends of one and the same pressing member, so that there is a constant spacing between these outer joints.
  • a compression of the compression chain can be carried out to reduce the pressing cross section by the distance between the force introduction elements of the toggle is further reduced, if necessary, a limitation of Verpressterrorism or necking through one, possibly mutual, stop the relevant articulated lever takes place.
  • the reduction in the distance of the force introduction elements can be carried out expediently with a tensioning device, as can be taken, for example, from WO 98/40178 or DE 10010601 A1, the contents of which are incorporated in full in the present application, also for the purpose, features in claims of the present invention Registration with.
  • the force introduction elements can in turn with respect to their cross-section and optionally further dimensions to be adapted to a force attack a pincer-type pressing jaw of a clamping device.
  • a further expedient embodiment is that in the circumferential angle range of the comparatively longer articulated lever one or both knee joints another or respectively a further pressing member is arranged.
  • a further pressing member is encompassed by the articulated levers in a pressing cross-sectional plane.
  • the pressing member may also have recesses for a penetration of the articulated levers.
  • two adjacent pressing members have mutually circumferentially facing ends in the circumferential direction corresponding projections and recesses associated with each other, extending in the circumferential direction sliding surfaces. According to this aspect, which also has independent significance in the present application, a mutual guidance of the pressing members of the pressing chain is achieved.
  • pressing members can be arranged alternately with respect to their ends in the circumferential direction rebounding pressing jaws and pressing members with respect to the ends thereof in the circumferential direction projecting pressing jaws in the circumferential direction.
  • a circumferentially protruding pressing jaw has a circumferentially extending, radially outwardly facing outer wall portion, that an adjacent pressing member from a recessed in the circumferential direction pressing jaw has a circumferentially extending, radially inwardly facing inner wall portion that the Inner wall portion and the outer wall portion extending at substantially the same radial distance from the center of the press section and from an initial position to a closed or Verpress too the press chain have an increasing coverage.
  • such a sliding guide can be realized between all the adjacent pressing members of a pressing chain, so that, in view of the overlapping coverings, there is a complete continuous covering of the workpieces through the pressing chain even before the introduction of force over the entire circumference.
  • To place the device before a pressing operation to be pressed together with the workpieces it can be provided that it is to open at a virtually arbitrary joint by loosening the hinge pin and there is again closed after inserting the workpieces. This means that in such a device, unlike, for example, a press chain to be closed in the course of a pressing operation, there are no separate ends that provide a possible weak point for the pressing.
  • a pressing member arranged in the circumferential angular range of an articulated lever is captively secured to the articulated lever, at a penetration of the pressing member by the articulated lever, this can be realized by the articulated lever with a projection, for example.
  • a pin in one within Pressquerschnitsebene closed edged recess of the pressing member occurs.
  • the size of the recess is dimensioned such that the pressing member is not hindered in the predetermined by the sliding guides movement during the pressing process
  • a pressing jaw of a pressing member in a cross-section perpendicular to the pressing cross section has a semicircular recess extending radially outwards, adjacent to one side adjacent to a radially inwardly projecting pressure ridge and adjacent to each other radially inwardly projecting dowel pins.
  • the dowel pins may be formed as a plurality of cylindrical pins which are inserted into bores in the pressing jaw extending radially from the pressing surface of the pressing jaw. While the semicircular or comparable with respect to their cross-section recess is adapted to a cross-sectional widening of the fitting for receiving a sealing element, eg.
  • the passport pins serve the purpose that the pressing device can close in a predetermined orientation of the workpieces. With proper alignment of the workpieces is ensured that the radially inwardly projecting pressure ridge during the pressing process leads to a plastic deformation of overlapping areas of the workpieces to be pressed.
  • the correct position alignment of the workpieces is achieved by the passport pins, which are supported only in case of incorrect alignment of the workpieces against the cross-sectional widening of the deferred workpiece, so that the pressing device when applying to the workpieces not required for the insertion of a removed hinge pin Reduce the circumference.
  • the deferred workpiece in the cross section perpendicular to the pressing cross section has an asymmetrical bulge entering the semicircular recess of the pressing jaw, the steeper flank of which forms no obstacle to the fitting pins, while the second flat falling flank increases the said support of the pass pins leads.
  • the pressing device fits around it even with incorrect alignment of the workpieces, can be put around, but not close. Even if a pass-pin should be inactive (spring) or damaged (especially if rigid), the safety factor is not completely lost. By any incorrect handling and virtually no significant damage can take place.
  • Fig. 1 shows in a perspective view a preferred embodiment of the pressing device 1 according to the invention with inserted therein, to be pressed together tubular workpieces.
  • these workpieces are a tube 2 which is inserted into a fitting 3.
  • the workpieces have a common central longitudinal axis A.
  • the pressing device 1 in the embodiment shown consists of four pressing members.
  • the pressing device 1 initially has two pressing members 5, 6 which are opposite one another in the circumferential direction, which are mutually displaceable relative to one another by means of two articulated levers 8 each designed as an angle lever and an articulated lever 9 having a toggle lever 10 (see FIG are.
  • An articulated lever 8 is connected in each case by means of a knee joint 11 with a toggle lever 9.
  • the articulated lever 8 has an outer joint 12 which is connected to the pressing member 5.
  • the articulated lever 9 has at its opposite end an outer joint 13 which is connected to the pressing member 6.
  • the same reference numerals are selected here as in the following for corresponding elements.
  • a further pressing member 15, 16 is provided, wherein the pressing members 25, 16 with respect to the pressing cross-section also opposite each other.
  • the pressing members 5, 6 are not connected to the pressing members 15,16 by means of joints, but held captive on the articulated levers 9 and, as explained in more detail below, guided by sliding guides on the pressing members 5, 6. This means that in the embodiment of the pressing device according to the invention described here, even at the beginning of the pressing process, the pressing members regularly enclose the pressing cross section or the workpieces to be pressed over the complete circumference.
  • the regular enclosure does not have any end links offering a potential weak spot, so that accordingly no circumference area is interrupted By contrast, further away from each other spaced pressing members formed.
  • the two provided as intermediate elements pressing members also referred to as auxiliary members are only captive on the power transmission elements, in this case the toggle levers held, with an additional guidance is made possible by contact surfaces on the respectively adjacent integrated pressing members.
  • the integrated pressing members are - arranged by means of the contact surfaces - the auxiliary members form-fitting manner, such that the auxiliary members are prevented in the course of a pressing operation on a dodge radially outward relative to the integrated pressing members.
  • each adjacent pressing members are connected either directly or optionally by mere connecting elements all in such a way that a tensile force is passed in the circumferential direction through all the pressing members, so that the press chain completely fails in the event of failure of any single pressing member, this is in the described embodiment in the pressing members, which are held only captive, advantageously avoided. Accordingly, it is not necessary in the press device according to the invention between each of the Scope of adjacent links transmitted circumferential joint force, but by means of toggle can be a radially oriented force on both chain-like integrated and circumferentially spaced pressing members, from where the initiated pressing force on the abutment surfaces described above primarily as pressure and thrust force on adjacent, not in the press chain integrated pressing members is transmitted.
  • the pressing members 6, 15 and 16 and the articulated levers 8 each have four parallel-spaced plate areas with parallel joints lying therebetween.
  • the pressing member 5 and the hinge levers 9 each have three comparable spaced plate areas, which are dimensioned and spaced in such a way that engagement in the joints of the pressing members 6, 15 and 16 and the hinge lever 8 and thus a mutual penetration of the same is made possible .
  • the plate portions are integrally connected to each other via pressing jaws 17, 18, 19, 20, whereby a stable configuration is obtained.
  • there are advantages in terms of manufacturing by the pressing members 6, 15 and 16 are obtained with the same design and spacing of plate areas by cutting from a common semi-finished.
  • the illustrated articulated joints between the pressing members 5, 6 and the articulated levers 8, 9 are performed by penetrating each other in the assembled state terminal bores, inserted through the cylinder pins and are held at their ends by retaining rings.
  • the press chain can be opened at the knee joint 11 of the upper toggle lever 10 by a coupling pin 21 can be seen.
  • this does not necessarily mean Selection, but instead the pressing chain could also be opened by removing, for example, a hinge pin on one of the outer joints and closed again after inserting the workpieces to be pressed together.
  • FIG. 5 shows a side view of the embodiment of the pressing device according to the invention shown in FIGS. 1 to 4 in the position corresponding to FIG. 3 with closed pressing device 1 before the beginning of the pressing process.
  • the length of the articulated lever 8 that is, the distance between the knee joint 11 and the outer joint 12 is chosen smaller than the distance between the articulated lever 9, ie the distance between the knee joint 11 and the outer joint 13.
  • the pressing members 5, 6 are designed with pressing jaws 17, 18 which spring back in the circumferential direction relative to their ends and the pressing members 15, 16 with pressing jaws 29, 20 projecting in the circumferential direction relative to their ends.
  • the pressing jaws 19, 20 projecting in the circumferential direction have a wall section 23 running in the circumferential direction and facing radially outward.
  • Fig. 5 two alternative or combinational feasible means for Drehbegrenzüng the articulated lever 8 are further provided.
  • the rotation limitation is formed in each case by an effective at a limit rotation angle stop for an edge 42 of the hinge lever.
  • the one stop is formed in the form of an edge 43 of the pressing member 15 and 16, against which the edge 42 abuts at a preselected opening angle of the articulated lever 8.
  • the stop is formed in each case by an end 44 of a pin standing beyond the pressing member, wherein a stop against the edge 42 likewise takes place at a predetermined opening angle.
  • the rotation limitations described above may preferably be designed and arranged such that only a maximum opening angle of the articulated levers 8 can be achieved, in which the guide surfaces of the inner wall sections and outer wall sections are still in circumferential overlap with the press chain closed remain, so that at any possible opening position of the pivot lever 8 an unlimited rotation of the pressing members 15,16 is prevented by the captive.
  • the captive consists of a mandrel 44 (cf., in particular, FIGS. 14, 15), which is attached to a further pressing member 15, 16.
  • the mandrel 44 - are advantageously two mandrels 44 formed on a pressing member 15,16 opposite - protrudes into a recess 45 of a hinge lever 15,16.
  • the recess 45 also limits the mobility of the further pressing member 15, 16 relative to the articulated lever 9 (wherein the mobility is limited by the positive engagement with the first and second pressing member 5, 6).
  • FIG. 6 shows a sectional view of the pressing device 1 along the section line VI-VI in FIG. 5. It becomes clear that a tube 2 and a fitting 3 pushed over it are inserted into the pressing cross-section as a workpiece.
  • the fitting has a radial, extending in the circumferential direction bulge 25, the position of a semi-circular, radially outwardly facing recess 26, which also extends in the pressing jaws over the circumference of time, is assigned.
  • Fig. 7 shows a sectional view along section line VII-VII in Fig. 5, wherein the coupling pin 21 is plugged for closing the knee joint 11 in holes within the articulated levers 8 and 9. In this position, the coupling pin can still be fixed by a drawing not shown lock washer at the tapered end.
  • Fig. 9 shows a Verpressgna in which the pressing members have been moved radially inwardly on the longitudinal axis A of the workpieces.
  • FIG. 8 shows such a section in which the coupling pin 21 has already been almost completely pulled out of the holes for opening.
  • the coupling pin 21 immersed in a retaining plate 31 aware that a retaining element 33 enters into an annular groove 32 and thereby forms a captive.
  • the holding member 33 may be, for example, a grub screw, a resiliently pressed against the annular groove cylinder pin or the like.
  • FIG. 10 describes a position open at the knee joint 11, so that ends thus formed are pulled apart for inserting or enclosing the workpieces 2, 3.
  • Fig. 11 shows another, in the closing movement of the device 1 passed state, just before the articulated levers 8 and 9 have been pivoted into the required for insertion of the coupling pin 21 overlap position.
  • FIG. 13 shows in a perspective view the pressing device 1 according to the invention also shown in the preceding figures in conjunction with forceps jaws 34 and a tensioning device 35.
  • the pressing jaws 34 are non-rotatably connected by bolts 36, each with a lever 37, wherein the levers 37 by axes 38 are rotatably received in two parallel tabs 39.
  • the tabs 39 point to the stationary attachment to the rest drawing device, not shown, 35 holes 40 on.
  • the sliding body 41 shown are pressed in a pressing operation of a plunger of the clamping device 35 in the direction of the fixed point on the bore 40, so that due to the shape of the Hebelinnenwandungen a spreading of the lever 37 results.
  • Another pressing member 15,16 is in a circumferential distance position, see. Distance a in Fig. 14, biased to a first and second pressing member 5, 6.
  • the bias is by means of spring elements 46 (only one spring element 46 is shown in Figures 14 and 15), but it will be understood that both further pressing elements 15,16 are each connected to a hinge lever 9 by at least one spring element 46).
  • the bias is limited by a positive connection to the articulated lever 9, as explained below.
  • the limitation is provided so that the circumferential distance a to the first and second pressing member 5, 6 is the same.
  • the form-fitting movement restriction is achieved in that a mandrel 44 rests against a peripheral edge of the recess 45, as shown in Fig. 14, in the initial state.
  • the recess 45 is selected so that after pressing the mandrel 44, in a diagonal path through the slot-like recess, at a diagonally opposite edge portion of the recess 45 is located.
  • the pressing jaw 34 is formed by overlapping and spaced-apart jaw elements 47, cf.
  • the jaw members 47 have at their free ends (based on the mounting state of the pressing device, prior to connection with a press chain) to each other in the overlapping through holes.
  • the jaw members 47 are formed as flat parts. At its other end, which is connected to the pressing device, they are connected to a solid jaw foot 48. And by the already mentioned bolts 36. The extent U-shaped recessed jaw 38 surrounds the jaw members 47th
  • the jaw elements 47 are adapted in their thickness to the engagement distance between plate parts of the toggle lever 8.
  • Fig. 16 shows a sectional view along section line VII - VII in Fig. 5, but in deviation from Fig. 6 in addition to the radial inner wall of the pressing jaw 19 projecting pass pins is provided.
  • four are distributed at equal intervals over the circumference arranged Pasite 28 realized, which are used in extending from the inner wall of the pressing jaws radially extending blind holes.
  • FIG. 7 a positionally correct, ie intended orientation of the workpieces in the pressing device is shown, in which the bulge 25, which is asymmetrical in the plane of the representation, comes to lie laterally with a steep flank of the Pasux.
  • FIG. 17 the opposite orientation of the workpieces is shown, in which the fitting pin 28 comes to lie on a flat flank of the bulge 25 when the pressing device is closed, before the pressing device can be completely closed (compare FIG. 12, 19) ).
  • the correct arrangement of the workpieces ensures that the pressure ridge 27 comes to lie in the region of a workpiece overlap, in the region of which plastic deformation is to take place.
  • a plastic deformation on the opposite side of the bulge 25 would be undesirable because it would jeopardize the safe investment of a recordable within the bulge 25, not graphically illustrated sealing ring.
  • a comparison with Fig. 16 modified embodiment of the dowel pins is shown, in which a pressure pin 29 is biased by a compression spring 30 in such a way that the pressure chain in the illustrated unwanted alignment of the workpieces also can not be closed.
  • this can also have threaded pins which are adjusted as needed by means of a nut thread in a radially extending bore.
  • Passport pins 28 are used in the embodiment of FIGS. 20 to 22, which are also sprung against a compression spring 30 according to FIG.
  • the mating pins 28 are located so close to the recess 26 of the pressing jaw that they hit the inclined surface 44 of the fitting when misused ( Figure 17, 18), the mating pins 28 are in the embodiment Fig. 18 to 19 outside of the pressing jaw and thus far away from the recess 26 arranged that they encounter in misuse only on the horizontal portion of the fitting. Nevertheless, the pressing device described here provides that it can still not be closed when used incorrectly (FIG. 20).
  • the pass-pins 28 are accommodated in a holder 44 placed outside on the pressing jaw 20.
  • a male pin 28 is biased by the spring 30 in its extended position as shown in FIGS. 18 and 19.
  • the preload is so high that it can not be overcome by normal hand force when folding. It is for example 200 N per passport pin.
  • This spring preload is correspondingly important that the dowel pins can be arranged with the distance to the recess 26, therefore protrude correspondingly far on the tube, but nevertheless can cause no damage in the course of compression.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Automatic Assembly (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Confectionery (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Claims (25)

  1. Dispositif de compression (1) pour assemblage par sertissage de pièces tubulaires, notamment d'un bout de tube (2) d'une part, et d'un raccord emboîté (3) d'autre part, par déformation plastique de l'une au moins des pièces, avec plusieurs éléments de compression, où les éléments qui vont permettre la réalisation du sertissage sont mobiles en direction d'un axe longitudinal central des pièces, caractérisé en ce que deux éléments de compression en tous cas sont assemblés de façon articulée l'un avec l'autre, en vue d'appliquer une force de compression, par l'intermédiaire de deux leviers articulés (8, 9) configurés en leviers coudés, où les leviers coudés s'appuient en poussant sur un premier élément de compression (5) et les deux leviers coudés sont en connexion de traction avec le même élément de compression (6).
  2. Dispositif de compression (1) selon la revendication 1, caractérisé en ce que le levier articulé (8) configuré en levier coudé est relié à un levier articulé (9) transmettant la force de traction à la façon d'une genouillère.
  3. Dispositif de compression (1) selon l'une des revendications précédemment citées, caractérisé en ce que le premier et le second élément de compression (5,6) sont disposés à l'opposé l'un de l'autre, par rapport à la section transversale de compression (7).
  4. Dispositif de compression (1) selon l'une des revendications précédemment citées, caractérisé en ce que respectivement une genouillère (10) est associée à chacune des deux paires d'extrémités mutuellement opposées, dans le sens de la circonférence, des premier et deuxième éléments de compression (5, 6), les extrémités d'une paire étant respectivement reliées à une articulation extérieure (12, 13) de la genouillère (10) qui leur est associée.
  5. Dispositif de compression (1) selon la revendication 4, caractérisé en ce que les leviers articulés (8, 9) d'une genouillère (10) présentent des longueurs différentes.
  6. Dispositif de compression (1) selon l'une des revendications 4 ou 5, caractérisé en ce que les genouillères sont symétriques par rapport à un axe de référence qui passe par le milieu du premier et du second élément de compression (5, 6), dans le plan de la section transversale de compression.
  7. Dispositif de compression (1) selon les revendications 5 ou 6, caractérisé en ce qu'un levier articulé (8) comparativement plus court d'une genouillère (10) comporte un élément d'introduction de forces excentré par rapport à son articulation extérieure.
  8. Dispositif de compression (1) selon l'une des revendications 4 à 7, caractérisé en ce qu'un élément d'introduction de forces (14) est prévu aux extrémités mutuellement opposées des leviers articulés des deux genouillères (10).
  9. Dispositif de compression (1) selon la revendication 8, caractérisé en ce qu'un élément d'introduction de forces (14) est adapté, en termes de sa section transversale, à une application des forces d'une mâchoire de pince (34) d'un dispositif de serrage (35).
  10. Dispositif de compression (1) selon l'une des revendications 5 à 9, caractérisé en ce qu'un autre élément de compression ou élément auxiliaire (15, 16), voire un élément pour chaque levier, est disposé dans la zone d'angle périphérique du levier articulé (9) relativement plus long de l'une des genouillères ou des deux genouillères (10).
  11. Dispositif de compression selon l'une des revendications précédemment citées, caractérisé en ce qu'un autre élément de compression ou élément auxiliaire (15,16) est soumis à l'action d'un premier et/ou un second élément de compression (5,6), en vue d'appliquer une force de compression, grâce à une liaison de conjugaison des formes avec ce premier et/ou second élément de compression (5, 6) agissant dans la direction radiale par rapport à l'axe (A).
  12. Dispositif de compression (1) selon l'une des revendications précédemment citées, caractérisé en ce que les éléments de compression (5, 6) reliés l'un à l'autre par l'intermédiaire de leviers articulés (8, 9) enserrent des éléments auxiliaires intercalés (15, 16) par conjugaison des formes, de telle sorte qu'au cours d'une opération de sertissage, les éléments auxiliaires soient empêchés de s'échapper radialement vers l'extérieur par rapport aux éléments de compression.
  13. Dispositif de compression (1) selon l'une des revendications précédemment citées, caractérisé en ce que deux éléments de compression voisins (5, 6, 15, 16) présentent, aux extrémités faisant face l'une à l'autre dans la direction circonférentielle, des saillies et des renfoncements correspondant les uns aux autres dans la direction circonférentielle, qui comportent des surfaces de glissement conjuguées qui s'étendent dans le sens de la circonférence.
  14. Dispositif de compression (1) selon l'une des revendications 10 à 13, caractérisé en ce que les éléments de compression (5, 6) ayant des mâchoires de compression (17, 18) en retrait par rapport à leurs extrémités, dans la direction circonférentielle, sont disposés en alternance avec des éléments auxiliaires (15, 16) ayant des mâchoires de compression qui avancent (19, 20) par rapport à leurs extrémités, dans la direction circonférentielle.
  15. Dispositif de compression (1) selon l'une des revendications 13 ou 14, caractérisé en ce qu'une mâchoire de compression (19, 20) saillant dans la direction circonférentielle présente une section de paroi externe tournée radialement vers l'extérieur, s'étendant dans le sens de la circonférence, qu'un élément de compression voisin (5, 6) présente une section de paroi interne tournée radialement vers l'intérieur, en partant d'une mâchoire de compression (17, 18) en retrait dans la direction circonférentielle, et que la section de paroi externe et la section de paroi interne s'étendent essentiellement à la même distance radiale (R) par rapport au centre de la section de compression (7) et présentent un recouvrement de plus en plus important, de la position d'entrée à la position de fermeture de la chaîne de presse.
  16. Dispositif de compression (1) selon l'une des revendications 10 à 15, caractérisé en ce qu'un élément auxiliaire (15, 16) disposé dans la zone d'angle périphérique d'un levier articulé (9) est fixé de façon imperdable au levier articulé (9).
  17. Dispositif de compression selon l'une des revendications précédemment citées 10 à 16, caractérisé en ce qu'un autre élément de compression (15, 16) est précontraint dans une position d'écartement, dans la direction circonférentielle, par rapport à un premier ou second élément de compression (5, 6).
  18. Dispositif de compression selon la revendication 17, caractérisé en ce que la précontrainte provient d'éléments ressorts (46).
  19. Dispositif de compression selon l'une des revendications 10 à 18, caractérisé en ce qu'un élément ressort (46) entre un élément de compression (15, 16) et un levier articulé (9) est opérationnel en cas de limitation des mouvements par liaison de conjugaison des formes entre cet élément de compression (15, 16) et le levier articulé (9).
  20. Dispositif de compression selon la revendication 19, caractérisé en ce que la réduction du mouvement par liaison par conjugaison des formes est obtenue par une cheville (44) butant sur un bord de l'entaille (45).
  21. Dispositif de compression (1) selon l'une des revendications précédemment citées, caractérisé en ce qu'une mâchoire de compression (17, 18, 19, 20) comporte, dans une section transversale perpendiculaire à la section de compression (7), une entaille semi-circulaire (26) s'enfonçant radialement vers l'extérieur, et à proximité de celle-ci, d'un côté une nervure de compression (27) saillant radialement vers l'intérieur, et de l'autre côté des goupilles saillant radialement vers l'intérieur.
  22. Dispositif de compression (1) selon la revendication 21, caractérisé en ce que lesdites plusieurs goupilles (28) sont insérées dans des alésages radiaux de la mâchoire de compression (17, 18, 19, 20).
  23. Dispositif de compression (1) selon les revendications 21 ou 22, caractérisé en ce qu'une goupille (28) est encastrée dans un support (44) rapporté à l'extérieur de la mâchoire de compression (20).
  24. Dispositif de compression (1) selon l'une des revendications 21 à 23, caractérisé en ce qu'une goupille (28) est escamotable à l'encontre de la force d'un ressort.
  25. Dispositif de compression (1) selon l'une des revendications 21 à 24, caractérisé en ce qu'une goupille (28) est précontrainte dans sa position déployée.
EP02799743A 2001-12-08 2002-12-09 Dispositif de compression Expired - Lifetime EP1455969B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10160349 2001-12-08
DE10160349 2001-12-08
DE10164028 2001-12-28
DE10164028 2001-12-28
PCT/EP2002/013948 WO2003049883A1 (fr) 2001-12-08 2002-12-09 Dispositif de compression

Publications (2)

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EP1455969A1 EP1455969A1 (fr) 2004-09-15
EP1455969B1 true EP1455969B1 (fr) 2006-02-15

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EP02799743A Expired - Lifetime EP1455969B1 (fr) 2001-12-08 2002-12-09 Dispositif de compression

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US (2) US7788779B2 (fr)
EP (1) EP1455969B1 (fr)
AT (1) ATE317733T1 (fr)
AU (1) AU2002364392A1 (fr)
DE (2) DE10257613A1 (fr)
ES (1) ES2254784T3 (fr)
WO (1) WO2003049883A1 (fr)

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WO2008023035A1 (fr) * 2006-08-22 2008-02-28 Gustav Klauke Gmbh procédé de compression d'un raccord de compression et outil de presse associé
EP2400199A1 (fr) 2006-08-22 2011-12-28 Gustav Klauke GmbH Procédé de compression d'un raccord pressfit et outil de compression associé

Also Published As

Publication number Publication date
DE10257613A1 (de) 2003-06-18
ATE317733T1 (de) 2006-03-15
US7779523B2 (en) 2010-08-24
US20080276683A1 (en) 2008-11-13
US7788779B2 (en) 2010-09-07
US20050125978A1 (en) 2005-06-16
DE50205843D1 (de) 2006-04-20
EP1455969A1 (fr) 2004-09-15
AU2002364392A1 (en) 2003-06-23
WO2003049883A1 (fr) 2003-06-19
ES2254784T3 (es) 2006-06-16

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