EP3794265A1 - Collier profilé - Google Patents

Collier profilé

Info

Publication number
EP3794265A1
EP3794265A1 EP19724100.3A EP19724100A EP3794265A1 EP 3794265 A1 EP3794265 A1 EP 3794265A1 EP 19724100 A EP19724100 A EP 19724100A EP 3794265 A1 EP3794265 A1 EP 3794265A1
Authority
EP
European Patent Office
Prior art keywords
profile
module frame
clamp
clamping
clamp according
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.)
Pending
Application number
EP19724100.3A
Other languages
German (de)
English (en)
Inventor
Viktor Stoll
Detlef Henrich
Stephan Mann
Fabio Ghirardi
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.)
Norma Germany GmbH
Original Assignee
Norma Germany GmbH
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
Application filed by Norma Germany GmbH filed Critical Norma Germany GmbH
Publication of EP3794265A1 publication Critical patent/EP3794265A1/fr
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/08—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using bands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/02—Hose-clips
    • F16L33/035—Hose-clips fixed by means of teeth or hooks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
    • F16L23/08—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
    • F16L23/10—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut with a pivoting or swinging pin

Definitions

  • the invention relates to a profile clamp with a clamp band, which has at its ends in each case a clamping head, which are connected to one another via a clamping device.
  • Clamps are reliable connection elements for use in many areas of technology in which butt-jointed pipes, which are provided at their ends with circumferential flanges, to be pressure-tightly interconnected.
  • the clamp band has, for example, a V-shaped profile with two flanks connected to one another via a flat bottom.
  • the profile clamp is then placed on the flanges of the tubes, so that when clamping the profile clamp on the profile clamp then not only radially acting forces, but also axially acting forces acting on the flanges, whereby the tubes are pressed axially towards each other and maintain a tight connection becomes.
  • Conventional profile clamp usually have a relatively inflexible clamp band that requires at least one joint for mounting on the flanges of the tubes due to the required bending of the profile clamp. Furthermore, it is necessary to dimension the profile clamp exactly in terms of the respective requirements, which also different production tools are required, for example, for different diameters.
  • the invention is based on the object to provide a profile clamp, which can be produced with little effort.
  • profile clamps with different diameters should be producible without much effort.
  • the clamp band has a profile element and a module frame extending in a circumferential direction, with which the Profile element is connected and on which it is supported at least in a radial direction, wherein the clamping heads are arranged at the ends of the module frame.
  • a functional separation of the module frame, via which the radial clamping heads are transmitted, of the clamping heads which are connected to the clamping device and of the profile element, takes place in addition to radial forces and axial forces on the flanges of the pipe connection to be produced can transfer.
  • This makes it possible, for example, to manufacture the module frame with the profile element or separately from the profile element in any length and so easy to adapt to the desired diameter of the profile clamp.
  • the module frame can also be combined with different profile elements and / or clamping heads so that the profile clamp can be variably adapted to the respective requirements. Overall, a very flexible profile clamp is thus obtained, which can be manufactured with little effort and adapted to different requirements.
  • the profile element has a plurality of profile segments arranged next to one another in the circumferential direction, which are connected to one another at least by the module frame.
  • the profile segments then give the profile clamp a high degree of flexibility Adjustment of the diameter of the profile clamp. On the one hand, this can simply be placed on the flanges, on the other hand, its diameter can be easily reduced when the clamping device is tensioned. The applied clamping forces can be converted to a high degree in radial or axial forces.
  • the profile segments are connected to one another in a material-locking manner, wherein the profile segments are in particular formed integrally with one another.
  • the profile element with the profile segments can then be made relatively easily from a band-shaped material, wherein the relative position of the individual profile segments predetermined and the profile element is simply cut to length with the appropriate number of profile segments.
  • it is very easy to produce profile clamp with different diameters.
  • the profile segments are fastened individually to the module frame.
  • the profile element is thus composed of individual profile segments which are separated from one another and which are fastened to the module frame individually at a distance from each other so that their position is predetermined by the module frame.
  • a number of profile segments depending on the diameter of the profile clamp is simply selected and then fastened to the module frame. This allows a very flexible production.
  • the module frame covers at least partially a radial outer side of the profile element.
  • radial forces can be very easily transmitted from the module frame to the profile element, the profile elements being clamped between the module frame and the flanges of the tubes.
  • no high demands must be made. This only has to ensure that the module frame and the profile element can not unintentionally detach from one another before assembly.
  • the module frame is made of a sheet-like element gebil det.
  • the module frame thus represents a flat element that can be easily manufactured from a strip-like material.
  • the module frame can reliably transmit the introduced clamping forces.
  • the profile element has a wave structure with wave crests and wave troughs running in an axial direction, wherein a receptacle suitable for receiving flanges of a pipe connection is formed in the wave crests, the receptacles the wave crests are arranged in the same axial position.
  • the profile element can thereby be produced, for example, by folding a band-shaped element into which the receptacles are subsequently introduced, if they have not previously been introduced in the form of recesses. It is thus relatively easy to manufacture the profile element in one piece in any desired length.
  • the flanges of the pipes then lie within the receptacles lying on an imaginary circular line.
  • the module frame has two strands running substantially in the circumferential direction, which are arranged parallel to one another and spaced apart in the axial direction, the profile element connecting the two strands in the axial direction.
  • the module frame is therefore designed in two parts, the position of the strands being predetermined by the profile elements. For a high variability is achieved, especially as a width of the profile clamp in the axial direction is then independent of the module frame.
  • the strands of the module frame can rather be combined with any profile elements or profile segments and clamping heads. It can be achieved by providing two strands which are parallel to each other, sufficient strength, so that high clamping forces can be introduced symmetrically.
  • the strands are each formed from a wire rope.
  • Wire ropes comprise a multiplicity of individual filaments and have a high tensile strength and at the same time great flexibility. Furthermore, they can be produced very economically in any length.
  • the strands are each formed from a solid wire cable.
  • a wire cable is not formed from a plurality of elements, but constitutes a solid body. This results in less flexibility, but a higher rigidity, which is advantageous depending on the requirements. Even wire cables can be produced cost-effectively in the desired length.
  • the profile element is arched radially outward between its axial edges.
  • the axial edges of the profile element thus lie radially further inwards than a base of the profile element, which connects flanks of the profile element which lead radially outward from the axial edges.
  • the profile element is thus pulled by the strands of the module frame literally around the flanges of the tubes and pushes them in the axial direction against each other.
  • the profile clamp carries in this embodiment in the radial direction hardly on and can be used in tight spaces.
  • the profile element has at its axial edges in each case a radially outwardly open groove through which one of the strands is guided.
  • the strands are held so reliable on the profile element or the profile segments.
  • additional fastening can take place by means of a press fit or a frictional engagement within the grooves, wherein crimping, that is to say a subsequent compression of the grooves, can also take place.
  • the profile element is then connected captively to the strands or the module frame without additional securing means.
  • the profile element has at its axial edges in each case a material doubling produced by folding, which is encompassed by one strand each.
  • the profile element or the profile segments are then particularly stable in the contact region with the module frame, so that a good introduction of force can take place.
  • the strands of the module frame in particular have an angle profile, so that they lie in a form-fitting manner on the profile element or the profile segments both in an axial direction and in a radial direction.
  • the clamping heads preferably each have a clamping bolt about which the module frame is at least partially guided around in each case.
  • a secure power transmission is ensured, since by moving around the module frame around the clamping bolt a large-area system is obtained.
  • the clamping bolts can be accommodated in the form of a key within the clamping heads or form the clamping heads without great effort.
  • one or more threads for the screw is integrated in one of the clamping heads, while in the other bolt a passage for the screw is provided.
  • the clamping device acts on the clamping heads for clamping the profile clamp with a force towards each other.
  • the clamping heads are thus moved towards each other for clamping the profile clamp, whereby a corresponding reduction in diameter of the profile clamp is caused.
  • the clamping device acts on the clamping heads for clamping the profile clamp with a force away from one another. To reduce the diameter of the profile clamp so the clamping heads are pressed apart. For this, the ends of the clamp band in the region of the clamping device cross each other.
  • 11 is a second embodiment of a clamping head
  • FIG. 13 shows a fourth embodiment of a clamping head
  • a profile clamp 1 which has a clamp band 2, at the ends in each case a clamping head 4, 5 is arranged.
  • the clamping heads 4, 5 are connected to one another via a clamping device 6, which in this example is designed as a clamping screw.
  • a clamping device 6, which in this example is designed as a clamping screw.
  • the clamp band 2 comprises a module frame 3 with a profile element 7, which has a plurality of profile segments 8, which are connected to one another via the module frame 3.
  • the clamp band 2 is thus formed in several parts, wherein between the profile segments 8 of the Profile member 7 is formed in each case a free gap, so that the profile clamp 1 is relatively flexible.
  • the module frame 3 is formed in this embodiment by two running in the circumferential direction strands 9, 10, the ends of which are guided by the clamping heads 4.5 and held there form-fitting.
  • FIG. 2 shows an enlarged detail of the profile clip 1 according to FIG.
  • the profile clamp 1 is placed on the flange 1 1 a pipe connection 12.
  • the ends of the module frame 3 or of the strands which are guided through the clamping head 4 are connected to one another in such a way with a stop element 13 that the strands can no longer be pulled out of the clamping head 4.
  • the stop element 13 which bears against the chucking head 4 on the outside, effects a form-locking, tension-resistant connection.
  • the profile segments 8 each have at their axial edges 14, 15 a radially outwardly open groove 16, 17 (FIG. 3). In between, the profile segment 8 is deformed radially outwards and thus forms a profile with two flanks 18, 19 and a bottom 20 formed therebetween, which comprises the flange 11 of the pipe joint 12 such that during clamping of the profile clamp 1 in addition to radial forces also axial forces are exerted on the pipe joint 12.
  • one of the strands 9, 10 can be received in the grooves 16, 17.
  • the profile segments 8 of the profile element 7 are thus pressed radially inwards, wherein the strands 9, 10 are pressed into the grooves 16, 17, ie they are held reliably.
  • FIG. 4 shows a cross section of one of the strands 9, 10, which is designed as a wire cable with a multiplicity of wire filaments. Such a configuration allows a very flexible module frame.
  • FIG. 5 shows a cross-section of a strand 9, 10 formed as a wire cable. In contrast to the embodiment according to FIG. 4, this is made of a solid material and accordingly suitable for forming a stiffer module frame.
  • FIG. 6 shows a further embodiment of the clamp band 2, in which the module frame 3 is likewise formed by two strands 9, 10, which are not received in grooves at the axial edges 14, 15 of the profile element 7, but the axial edges 14, 15 embrace and abut on a radial outer side and on an axial outer side of the edges 14, 15.
  • the axial edges 14,15 of the individual profile segments 8 are bent over in such a way that they have a material doubling (FIG. 7). They are thus able to absorb relatively high forces.
  • Figure 8 shows an alternative embodiment of the profile clamp 1, wherein the module frame 3 is formed of a sheet-like element and rests on a radial outer side of the profile element 7.
  • the profile element 7 has a wave structure with wave crests 21 and wave troughs 22 extending in the axial direction.
  • receptacles 23 are formed, in which the flange 1 1 of the pipe connection 12 is received.
  • Each wave crest 21 forms a profile segment, so to speak.
  • the profile element 7 is shown in unwound form. This can then be brought to the desired length depending on the desired diameter of the profile clamp and is accordingly universally usable.
  • FIG. 10 shows a variant of the clamping head 4 in which the clamping head 4 has a clamping bolt 24 and the end 25 of the strand 9 is passed between the clamping bolt 24 and a further element 26 of the clamping head 4.
  • Screw trained clamping device 6 the strands 9, 10 are clamped in the chuck and thus reliably secured.
  • FIG. 11 shows an embodiment of the tensioning head for strands 9, 10 designed as a wire rope and correspondingly flexible.
  • the ends of the strands are passed through the clamping bolt 24 and then provided with a stop element 13, so that they can not be pulled out again by a tensile force in the circumferential direction.
  • a passage in the form of a slot 27 is formed in the clamping bolt 24.
  • FIG. 12 now shows a variant of the clamping head, in which the module frame 3 is guided around the tensioning head 4 and subsequently engages with an end 25 through an opening in the tensioning head 4.
  • the module frame 3 is positively and frictionally connected to the clamping head 4.
  • FIG. 13 shows a further embodiment of the clamping head, in which a guide 28 for the module frame 3 is formed in the clamping head.
  • the module frame 3, in particular if it has two strands, is then passed through the guide 28 and comes out with its end out of the clamping head again and can there be secured with a stop element.
  • This embodiment allows an advantageous, large-scale transmission of forces and a rigid design of the clamping head.
  • the embodiment of the clamping head 4 shown in FIG. 14 differs from the embodiment according to FIG. 13 in that the clamping head is formed in two parts with an inner part 4a and an outer part 4b. Between the inner part 4a and the outer part 4b, the guide 28 is formed for the module frame 3, which can then be received by clamping between the inner part 4a and the outer part 4b. Compared with the embodiment of FIG. 13 results in a simpler production.
  • the inner part 4a and the outer part 4b are connected to each other via a T-shaped hook 29, which is formed integrally with the inner part 4 and engages in a groove 30 in the outer part 4b.
  • a T-shaped hook 29 is formed integrally with the inner part 4 and engages in a groove 30 in the outer part 4b.
  • the T-shaped hook in the production of the inner part 4a is punched out of the initially flat existing material and then stands after forming the material to the more or less cylindrical inner part 4a of this then perpendicular from and can thus located within the outer part 4b inner part 4a simply pass through the groove 30.
  • the groove 30 can have a widening 31 at one end, in order to allow easy passage of the hook 29 (FIG. 15). But it can also be provided to form the groove of constant width (Fig. 14), in which the inner part 4a with the hook 29 after insertion into the Nutz 30 must be rotated by 90 ° in order to reach the desired position. This gives a reliable captive protection.
  • the inner part 4a is at least to some extent rotatably disposed within the outer part 4b. It is thereby achieved that, during clamping of the clamping device, not shown, which are guided through corresponding bushings 32 in the inner part 4a, no bending moments act on the clamping device. In this case, it can optionally be provided to introduce a thread into the passages 32 of an inner part of one of the clamping heads 4, 5 allows direct screwing designed as a clamping screw clamping device, so that can be dispensed with a threaded nut.
  • FIG 17 shows schematically an embodiment of the profile clamp, in which the clamping device 6, the clamping heads 4, 5 applied to each other with a force to tension the clamp band 2 of the profile clamp 1.
  • the clamping device 6 is designed in the form of a clamp which engages in recesses of the clamping heads 4, 5 and thus can hold the profile clip in the tensioned state.
  • FIG. 18 shows an alternative embodiment in which the clamping device acts on the clamping heads 4, 5 with a force away from one another for clamping the profile clip.
  • the tensioning device 6 can be designed as a means that is simply clamped between the tensioning heads 4, 5.
  • the invention enables a new design concept of a profile clamp, which allows a universal use of the profile clamp and the production of, for example, different diameters with the same tools. It is not limited to one of the above-described embodiments, but can be modified in many ways.
  • the shape of the profile of the profile element is not limited to the shape shown, but adaptable according to the respective requirements.
  • additional elements such as pre-positioner or sensors and the like can be easily combined with the profile clamp according to the invention.
  • the new profile clamp is characterized by its flexible module frame in combination with a profile element that can be manufactured in a continuous process and that effectively convert the forces of the clamping device into circumferential forces.
  • the flexible module frame allows a uniform introduction of force and by the choice of design, for example as a wire cable, wire rope or the like, a variable adaptation to the respective requirements.
  • the configuration of the profile element also enables flexible production, in which, for example, by selecting the number of profile segments, the length of the profile element is determined and thus selected according to the desired diameter of the profile clamp can be.
  • the profile element can be produced together with the module frame or separately therefrom and then connected to it. All known connection methods come into consideration, for example clipping, welding or crimping.
  • the clamping heads according to the invention enable a flexible and robust connection between the clamping device and the module frame.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne un collier profilé (1) comprenant une bande de collier (2), qui comprend à chacune de ses extrémités une tête de serrage (4, 5), lesquelles sont connectées entre elles au moyen d'un dispositif de serrage (6). Pour permettre une fabrication flexible, la bande de collier (2) comprend un élément profilé (7) et un cadre de module (3) s'étendant dans le sens circonférentiel, auquel l'élément profilé (7) est connecté et sur lequel il s'appuie au moins dans une direction radiale, les têtes de serrage (4, 5) étant disposées aux extrémités (25) du cadre de module (3).
EP19724100.3A 2018-05-15 2019-04-30 Collier profilé Pending EP3794265A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018111539.3A DE102018111539A1 (de) 2018-05-15 2018-05-15 Profilschelle
PCT/EP2019/061061 WO2019219376A1 (fr) 2018-05-15 2019-04-30 Collier profilé

Publications (1)

Publication Number Publication Date
EP3794265A1 true EP3794265A1 (fr) 2021-03-24

Family

ID=66542199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19724100.3A Pending EP3794265A1 (fr) 2018-05-15 2019-04-30 Collier profilé

Country Status (5)

Country Link
US (1) US20210207630A1 (fr)
EP (1) EP3794265A1 (fr)
CN (1) CN112074683A (fr)
DE (1) DE102018111539A1 (fr)
WO (1) WO2019219376A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424436A (en) * 1945-04-13 1947-07-22 Gen Electric Pipe coupling
US2941823A (en) * 1954-12-21 1960-06-21 North American Aviation Inc W-band coupling for flanged pipe
US3029095A (en) * 1955-08-18 1962-04-10 Garrett Corp Flange connecting clamp
US3429014A (en) * 1967-12-04 1969-02-25 Castle Ind Inc Of California Clamp assembly for confronting annular flanges
GB1523201A (en) * 1976-02-03 1978-08-31 Smith & Johnson Keighley Ltd Ring clamps
DE20313698U1 (de) * 2003-09-03 2003-12-11 Friedrich Boysen Gmbh & Co. Kg Schelle für rotationssymmetrische Flanschpaare
CN103732928B (zh) * 2011-07-04 2016-11-09 诺玛美国控股有限责任公司 具有v型插入段的v型带夹
AU2012377726B2 (en) * 2012-04-20 2016-09-22 Straub Werke Ag Clamping belt and pipe coupling for the force-closed connection of pipes, in particular of smooth-end pipes
DE102016001874A1 (de) * 2016-02-17 2016-08-11 Daimler Ag Profilschelle zur Verbindung zweier Rohrleitungen

Also Published As

Publication number Publication date
WO2019219376A1 (fr) 2019-11-21
CN112074683A (zh) 2020-12-11
US20210207630A1 (en) 2021-07-08
DE102018111539A1 (de) 2019-11-21

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