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WO2016120223A1 - Collier profilé - Google Patents

Collier profilé Download PDF

Info

Publication number
WO2016120223A1
WO2016120223A1 PCT/EP2016/051488 EP2016051488W WO2016120223A1 WO 2016120223 A1 WO2016120223 A1 WO 2016120223A1 EP 2016051488 W EP2016051488 W EP 2016051488W WO 2016120223 A1 WO2016120223 A1 WO 2016120223A1
Authority
WO
WIPO (PCT)
Prior art keywords
segments
traction means
clamp according
turnbuckle
clamp
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.)
Ceased
Application number
PCT/EP2016/051488
Other languages
German (de)
English (en)
Inventor
Andreas Schill
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.)
BOA Balg und Kompensatoren Technologie GmbH
Original Assignee
BOA Balg und Kompensatoren Technologie 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 BOA Balg und Kompensatoren Technologie GmbH filed Critical BOA Balg und Kompensatoren Technologie GmbH
Publication of WO2016120223A1 publication Critical patent/WO2016120223A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F16L23/06—Flanged joints the flanges being connected by members tensioned in the radial plane connected by toggle-action levers
    • 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

Definitions

  • the invention relates to a profile clamp for connecting components, such as tubes with flange-like end, with a
  • Clamp body of at least two segments which are formed part-ring-shaped and with at least one clamping means.
  • Cross-section trapezoidal segments have radially inward, while the central web engages over the flanges of the tubes.
  • Symmetry axis of the profile clamp which corresponds to the axis of symmetry of the tubes.
  • An axial direction thus points in the direction of the axis of symmetry of the rotationally symmetrical tubes and extends parallel to the flow direction of a fluid guided in the tube.
  • a radial direction is perpendicular to the axial direction and thus extends at the same axial height.
  • a circumferential direction is perpendicular to the axial and radial directions; For example, it runs along the Lateral surface of the web of the segments or the lines at the same axial and radial height.
  • the segments are part-circular, so that at least two segments for complete assembly of a generic profile clamp are necessary. Due to the sectional trapezoidal configuration of the segments, the legs prevent the end flanges of the pipe ends at a mutual removal in the axial direction. In support of this
  • the band acts on the segments with a radially inward force.
  • the disadvantage of the generic profile clamps is that the flanges or the legs of the segments can absorb only a limited tensile force acting on the tubes, so that the risk that the legs are bent when exceeding a force acting on them or a bending moment and the connection Both pipes can be solved thereby, with the result of possibly serious damage to the environment.
  • a profile clamp of the type mentioned above which is characterized in that the segments have a central web, on both sides of the same in each case a radially inwardly directed legs each having an axially pointing away from the web-shaped integrally formed groove-shaped end portion and that the traction means at least partially in the
  • the traction means over the vast majority of their length or their circumference on the end portions of the segments, preferably over more than 90% of the circumference or more than 330 °. Between two adjacent segments there is a space in each case in the circumferential direction. Its length in the circumferential direction is very small compared to the
  • the diameter of a ring contour determined by the groove-shaped end sections is smaller than the diameter of a through the middle webs
  • the legs of the segments preferably in
  • End portions of the segments can serve as an abutment to accommodate radially inwardly directed forces of the traction means.
  • the latter also serve to absorb forces acting on the tubes or bending moments on the legs of the segments.
  • the inventive Clamp on a higher load capacity. This causes a secure connection of the two pipe elements.
  • the end portions may be formed as outwardly directed grooves; They thus have a concave contour radially outward. As a result, the traction means are held securely on the end portions of the segments.
  • End portions preferably in cross-section part-circular, in particular semicircular.
  • the end portions may be polygonal in cross-section,
  • the segments themselves may be forgings, castings, turned parts, embossed parts and / or deep-drawn parts.
  • the tensioning means may comprise at least two traction means each lying on an end section of the segments or in a groove.
  • the traction means said radially inwardly directed force is applied in a particularly effective manner to the segment.
  • Traction means represent a particularly simple implementation to build a circumferential and closed ring tension.
  • a single traction means may be in the form of an endless rope or belt. This spans all
  • the traction means for example, via loops and crossing and / or wrap around
  • the tensioning means may be components - traction means and / or
  • the tensioning means in particular components with aramid fibers
  • Connecting element preferably in the form of a clip, between the at least one segment and the at least one
  • Connecting element also serves as Verlierschutz for the traction means and as an assembly aid for the profile clamp.
  • the tensioning means has at least one turnbuckle above the at least one pulling means, by way of a user the tension on the at least one traction means and thus the clamping means can be applied or released on.
  • This is preferably designed as a closing and / or screwing device.
  • the turnbuckle acts on the segments via the at least one traction means with a tensile force in
  • Circumferential direction This creates a radially inward force which, as shown, engages the end portions of the segments.
  • the turnbuckle can in particular radially outward
  • the turnbuckle causes the already described clamping effect of the traction means in a particularly simple manner.
  • the turnbuckle is preferably designed as a screw device. This acts on the at least one traction means with a tensile force. This type of embodiment of the
  • Turnbuckle represents a particularly simple way to achieve the desired clamping effect of the traction means.
  • the ends of the traction means can be acted upon by the use of one or more screws with a force that leads to the desired clamping effect.
  • this type of embodiment has a high degree of mechanical strength.
  • the turnbuckle can continue to prevent rotation
  • the head of at least one screw can be configured as a polygon, in particular as a square to a
  • the turnbuckle can also be designed as a worm gear, wherein the
  • Worm gear in particular has a worm shaft. This constitutes an alternative embodiment of the
  • Traction means are particularly accurately dimensioned.
  • a worm gear is a particularly simple form of a turnbuckle.
  • the turnbuckle may preferably also have a lever joint, in particular with two lever parts.
  • the mechanical tension can be matched to the respective individual traction means.
  • At least one further clamping element can be provided, which is arranged on the radial outer side of the at least two segments, that rotates on the webs of the segments.
  • the further tensioning element is preferably a circumferential belt in the circumferential direction of the profile clamp,
  • the further clamping element engages in particular on the central webs of the segments and contributes to an increase in the
  • Clamp according to the invention can be compared with the bending moment occurring on the segment by about 20% to 50%
  • the at least one segment is selected from the at least one segment
  • Fig. 1 is a perspective view of a
  • Fig. 2 is an enlarged view of the profile clamp of
  • Fig. 1 in the region of the turnbuckle
  • Fig. 3 is a schematic section through two tubes with
  • FIG. 4 is a perspective view of the arrangement of FIG.
  • Fig. 6 shows another embodiment of the turnbuckle with
  • Fig. 7 shows an alternative embodiment of the turnbuckle
  • Fig. 8 shows another embodiment of the turnbuckle as in
  • Fig. 9 is a perspective view of an alternative
  • Embodiment of a clamping means with a single traction means a schematic section through two pipe ends and a further embodiment of a profile clamp with a clamping means and additional clamping element; a further embodiment of a turnbuckle with a lever joint in the open state in a side view; the embodiment of the turnbuckle with a
  • Fig. 1 shows a profile clamp 1 in accordance with the invention
  • the profile clamp 1 has a clamp body 4 and a clamping means 5.
  • the profile clamp 1 separates an inner space 2 surrounded by it from an outer space 3 located outside.
  • an axial direction denotes a direction parallel to the indicated symmetry axis A.
  • a radial direction is perpendicular thereto.
  • the circumferential direction is
  • the clamp body 4 consists of four quarter-circular segments 6.
  • the length of the segments 6 is in the circumferential direction big compared to their axial strength. Between each two adjacent segments 6 is a gap. 7
  • the segments 6 have a central web 8, to the two ends 15 in the axial direction in each case a leg 9 connects.
  • the two legs 9 each extend in the axial direction away from the web 8, they also have an additional radially inwardly directed
  • each case an end portion 10 connects.
  • the end portions 10 are bent axially outwardly, away from the central web 8, in a semicircular shape, being concave in section radially outwardly.
  • the end portions 10 each form a circumferentially extending groove 11 which faces outward in the radial direction.
  • the clamping means 5 of the profile clamp 1 of FIGS. 1 and 2 has two traction means 12 and a turnbuckle 13.
  • the two traction means 12 are in the embodiment as
  • the traction means 12 have at their respective ends end portions 14. The traction means 12 extend in the circumferential direction of
  • Both traction means 12 are arranged in the grooves 11 of the end portions 10 adjacent to the central web 8 of the segments 6. Their radial height is less than that of the
  • the traction means 12 thus have a smaller distance from the axis A than the webs 8.
  • the lengths of the two traction means 12 are equal to 10 and correspond
  • the strength of the traction means 12 corresponds to the dimensions of the grooves 11th
  • the end parts 14 of the traction means 12 face each other and are connected to the turnbuckle 13. This sits on the outside of the web 8 of a segment 6.
  • the traction means 12 extend in the region of the turnbuckle 13 on this. Their radial height increases in this area, the traction means 12 thus leave there the grooves 11. In this area, the traction means 12, however, still have the same axial height, the traction means are thus seen radially above the grooves 11th
  • Fig. 2 shows in this regard an enlarged view of the 25 profile clamp 1 in the region of the turnbuckle 13.
  • Turnbuckle 13 has two transverse anchors 15 and a screw 16 with an abutment (not shown).
  • Both transverse anchors 15 are mounted radially above a segment 6 and extend in the axial direction
  • transverse anchors 15 are designed in the present example as cylindrical bolts and can in particular be made of metal, such as steel.
  • the transverse anchors 15 may also consist of suitable plastic, such as aramid.
  • a transverse anchor 15 is connected to one end portion 14 of the two traction means 12 in each case. There are two each
  • connection itself can be done for example by welding, force or positive engagement.
  • the left transverse anchor 15 is provided with a threaded bore whereas the right transverse anchor has a through hole. The thread and the
  • the screw 16 extends perpendicular to both transverse anchors 15.
  • the thread of the left transverse anchor and the screw correspond to each other.
  • the screw 16 has a screw head 17 whose diameter in the illustrated embodiment in cross section is twice as large as the diameter of the remaining screw 16.
  • Screw head 17 is preferably formed so that the screw 16 can be rotated by a tool, so for example by an external or internal polygon.
  • both transverse anchors 15 move toward each other in the circumferential direction of the profile clamp 1.
  • Fig. 3 shows a representation of the cross section of
  • Clamp 1 according to the invention, with two pipes 18 to be connected, each having a pipe end 19, each having an end flange 20.
  • the profile clamp 1 is in Fig. 3 radially outside the
  • End portions 10 of the profile clamp 1 and thus the traction means 12 over the greater part of their length are radially directly on the tubes 18 and in particular radially closer to the
  • FIG. 4 shows the profile clamp 1 of FIGS. 1 to 3 in an enlarged perspective detail view.
  • Fig. 4 shows the two connected by the profile clamp 1
  • Clamp 1 overlaps with their segments 6, the two end flanges 20.
  • the radial distance between the web 8 and the end flanges 20 is small compared to the extension in
  • FIG. 5 shows an alternative embodiment of the invention
  • Turnbuckle 13 The embodiment is similar to the turnbuckle 13 in Fig. 2, it has in particular a screw 16 with a screw head 17. Also, the end portions 14 of the traction means 12 shown one can be seen and each connected to a transverse anchor 15. This embodiment comprises a crossing of the end parts 14 of the traction means 12 in the region of
  • both end parts 14 are each connected to a transverse anchor 15.
  • the transverse anchor 15 has a right near the screw head 17 arranged on the right
  • Threaded hole This is arranged as already described at half the axial length of the transverse armature 15.
  • the other, remote from the screw head 17 transverse anchor 15 has a blind hole.
  • the screw head 17 opposite end of the screw 16 engages in the non-continuous threaded bore of the left transverse anchor 15 a form-fitting.
  • End portions 10 of the segments 6 within the traction means 12 causes.
  • FIG. 6 shows a further embodiment of a turnbuckle 13. Again, there is a crossing arrangement of the end portions 14 of the traction means 12 before.
  • a housing 31 is provided, in which the end parts 14 extend, partially crossing each other. The housing 31 engages over web 8 and leg 9 of the corresponding segment 6 of FIG.
  • the end portions 14 occur at opposite openings 29 of the housing 31 from these. They are provided in this embodiment with a thread (not shown). The thread is on the internal thread of
  • Tension nuts 30 tuned to find their abutment in the arrangement shown in Fig. 6 on the housing 31.
  • Circumferential direction of the traction means 12 and leads to a radially inwardly acting force on the end portions 10 of
  • FIG. 7 shows an embodiment of the one shown in FIG.
  • Turnbuckle 13 with a housing 31 and clamping nuts 30 in a radial view.
  • the common housing 31 for both traction means 12 has four openings 29 for the end portions 14 of the traction means 12.
  • FIG. 9 shows a further embodiment of a
  • the traction means 12 has at its two ends in each case a loop 25.
  • the two loops 25 are connected to the turnbuckle 13 and therefore point towards each other. By pressing the turnbuckle 13, both loops 25 move toward each other in
  • the turnbuckle 13 may, for example, have a threaded bolt 26 with a continuous longitudinal slot which ends at a distance from both ends of the threaded bolt 26. Through this slot, the loops 25 of the traction means 12 are guided. By screwing the nut 27, the loops 25 are moved towards each other and thus tensioned the clamping means 5 on at least one end of the screw 26.
  • FIG. 10 shows, in a schematic section, a further embodiment of the profile clamp 1 according to the invention
  • Turnbuckle 13 acts on the traction means 12 with a clamping force, but in addition to the
  • Fig. 11 shows an alternative embodiment of
  • Clamping device 13 Here, first, a traction means 12 with two end portions 14 and a segment 6 can be seen.
  • Turnbuckle 21 is designed here as a lever joint, the one short lever part 22 and a long lever part 23 has.
  • the lever parts 22, 23 have opposite end faces.
  • the length of the long lever part 23 is twice as long as the length of the short lever part 22.
  • One end of the long lever portion 23 is pivotally connected to the located in Fig. 11 on the right side end portion 14 of the traction means 12, for example by a rivet or screw.
  • the other, free end 24 of the long lever member 23 protrudes - in the non-cocked position - substantially in the radial direction to the outside.
  • the opposite, so arranged on the left side end portion 14 is connected in the same way with the short lever portion 22.
  • the other end of the short lever part 22 projects in the radial direction outwards toward the long lever part 23.
  • the other end of the short lever part 22 projects in the radial direction outwards toward the long lever part 23.
  • Lever part 22 is at mid-height of the long lever member 23 with this, also via, for example, a rivet, articulated.
  • the lever joint 21 is shown in the open state.
  • the traction means 12 lies in the end portions 10 of the segments 6, without transmitting a radial force inwardly to the segments.
  • FIG. 12 This clamping state is shown in FIG. 12: The distance between the two end parts 14 of the traction means 12 is reduced by the movement of the long lever part 23. The short lever part 22 runs along the long lever part 23 and extends parallel to this. By clamping the two end portions 14 against each other again a force is exerted on the traction means 12. This force manifests itself as the elasticity of the
  • a segment 6 of a known profile clamp according to the prior art in a schematic half-section is shown, so that here only half the web 8 and a
  • Symmetry axis S designed. For the left part, not shown, the following statements apply accordingly, taking into account the symmetry.
  • the generic segment 6 is exerted by a running on the web 8 of the profile clamp 1 strap, acting from a force acting on the web 8 radially inwardly facing holding force R.
  • inventive profile clamp 1 shown. Again, for symmetry reasons, only the right part of the segment 6 is shown.
  • the inventive profile clamp 1 has by the clamping means 5 according to the invention a fixing force Rl, which engages radially inwardly at the end portions 10 of the profile clamp 1 according to the invention.
  • the inventive profile clamp 1 a occurring by processes in the pipe system bending moment is significantly reduced or compensated.
  • the traction means 12 in the end portions 10 of the segments 6 cause a radially inwardly acting force.
  • the profile clamp 1 according to the invention is as follows
  • the clamping means 5 is attached.
  • Pulling means 12 acted upon by a force in the circumferential direction. This manifests itself in a radially inwardly directed force on the segments 6, which attaches to the end portions 10.
  • the clamp body 4 from the segments 6 is thereby pressed onto the Verbindunsgstelle both tubes 18.
  • the operation of the turnbuckle 13 is done such that the pipe ends 19 of the tubes 18 are firmly clamped by the inventive profile clamp 1 against each other and a sufficient
  • Turnbuckle 13 solved. This reduces the fixing force R on the segments 6. Subsequently, the traction means 12 are released and removed. By a subsequent release of the segments 6 of the end flanges 20, the profile clamp 1 can be removed.

Landscapes

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

Abstract

Collier profilé (1) permettant d'assembler des pièces, telles que des tuyaux (18), comprenant un corps formant collier (4) constitué d'au moins deux segments (6) ayant la forme d'une bague partielle, et un moyen de serrage (5). Les segments (6) présentent un pont (8) central ainsi que, respectivement de part et d'autre, une branche (9) dirigée radialement vers l'intérieur avec respectivement une section terminale (10) en forme de gorge et moulée à partir du pont (8) vers la direction axiale. De plus, le moyen de serrage (5) se trouve au moins par sections dans les sections terminales (10) en forme de gorge.
PCT/EP2016/051488 2015-01-26 2016-01-26 Collier profilé Ceased WO2016120223A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015000780.7A DE102015000780A1 (de) 2015-01-26 2015-01-26 Profilschelle
DE102015000780.7 2015-01-26

Publications (1)

Publication Number Publication Date
WO2016120223A1 true WO2016120223A1 (fr) 2016-08-04

Family

ID=55229699

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/051488 Ceased WO2016120223A1 (fr) 2015-01-26 2016-01-26 Collier profilé

Country Status (2)

Country Link
DE (1) DE102015000780A1 (fr)
WO (1) WO2016120223A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115653982A (zh) * 2023-01-02 2023-01-31 河北鸿宇通信器材有限公司 一种便于使用的卡箍连接件
US11629804B1 (en) 2022-04-20 2023-04-18 Carolina Components Group, Inc. Asymmetric clamp for joining sanitary fittings

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775806A (en) * 1953-09-09 1957-01-01 Kac Ltd Adjustable girth clamping ring
US3029095A (en) * 1955-08-18 1962-04-10 Garrett Corp Flange connecting clamp
FR87004E (fr) * 1963-10-01 1966-05-27 H K Porter Company Great Brita Perfectionnements apportés aux dispositifs d'accouplement, notamment pour tubes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8454056B2 (en) * 2011-07-28 2013-06-04 Senior Investments Gmbh Double strap coupling apparatus
DE102012101553A1 (de) * 2012-02-27 2013-08-29 Rehau Ag + Co. Manschette zum Anpressen einer Dichtmanschette an ein erstes und ein zweites Rohr und System und Anordnung mit einer derartigen Manschette

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775806A (en) * 1953-09-09 1957-01-01 Kac Ltd Adjustable girth clamping ring
US3029095A (en) * 1955-08-18 1962-04-10 Garrett Corp Flange connecting clamp
FR87004E (fr) * 1963-10-01 1966-05-27 H K Porter Company Great Brita Perfectionnements apportés aux dispositifs d'accouplement, notamment pour tubes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11629804B1 (en) 2022-04-20 2023-04-18 Carolina Components Group, Inc. Asymmetric clamp for joining sanitary fittings
USD986049S1 (en) 2022-04-20 2023-05-16 Carolina Components Group, Inc. Asymmetric clamp for joining sanitary fittings
CN115653982A (zh) * 2023-01-02 2023-01-31 河北鸿宇通信器材有限公司 一种便于使用的卡箍连接件

Also Published As

Publication number Publication date
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