GB2223077A - Flanged joint arrangement - Google Patents

Flanged joint arrangement Download PDF

Info

Publication number
GB2223077A
GB2223077A GB8921699A GB8921699A GB2223077A GB 2223077 A GB2223077 A GB 2223077A GB 8921699 A GB8921699 A GB 8921699A GB 8921699 A GB8921699 A GB 8921699A GB 2223077 A GB2223077 A GB 2223077A
Authority
GB
United Kingdom
Prior art keywords
arrangement
elements
flanged joint
longitudinal axes
flange
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.)
Granted
Application number
GB8921699A
Other versions
GB2223077B (en
GB8921699D0 (en
Inventor
Johannes Zentgraf
Fritz Fankhauser
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.)
Georg Fischer AG
Original Assignee
Georg Fischer AG
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 Georg Fischer AG filed Critical Georg Fischer AG
Publication of GB8921699D0 publication Critical patent/GB8921699D0/en
Publication of GB2223077A publication Critical patent/GB2223077A/en
Application granted granted Critical
Publication of GB2223077B publication Critical patent/GB2223077B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • E04H12/085—Details of flanges for tubular masts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • 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
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Earth Drilling (AREA)
  • Connection Of Plates (AREA)
  • Bridges Or Land Bridges (AREA)

Description

FLANGED JOINT ARRANGEMENT 2223077 The invention relates to a flanged joint
arrangement 5 and in particular, but not exclusively, to a flanged joint arrangement for beams of a lattice structure of a drilling rig.
In the prior art, beams and trusses of lattice structures are joined by providing the ends of the beams with flanges having through-holes for receiving connecting bolts. Lattice structures are used in the offshore construction industry, particularly for constructing drilling rigs which have to be rigidly, rapidly and reliably joined together in situ, i.e. at deep-sea locations. Such large structural components have manufacturing tolerances which have to-;be compensated for when the joint is being established.
The object of the invention is to provide a flanged joint, particularly of the type referred to above, which is suitable for absorbing high tensile and shearing forces, enables the flanged elements to be rigidly and rapidly joined and which can also compensate for deviations in dimensions of the elements in any direction relative to a nominal reference position.
According to the present invention there is provided a flanged joint arrangement comprising corresponding connection elements, each of which elements has a flange portion having apertures for receiving bolt means to thereby join the elements together, and a web portion, wherein the apertures comprise slotted holes, the longitudinal axes of aligned pairs of which are mutually disposed at an angle.
Preferably, the longitudinal axes are disposed at right angles.
Further, a flange portion may be provided on both sides of the web portion.
A secure screwed joint between two eccentrically located beams may thus be guaranteed by the cross-wise facing arrangement of slotted holes in the flange sections according to the invention.
The two connecting elements may be identical as regards the shape and arrangement of the slotted holes. Preferably, an oblique and parallel arrangement of, for example, the sides of a rectangular or quadrangular flanged section, with respect to each other, can is accommodate a simplified storage arrangement. Furthermore, with the slotted holes in these positions, it is possible to arrange a large number of screwed joints without adversly weakening the section of the flange.
The invention is described further hereinafter, by way of example only, with reference to the drawings in which:
Fig 1 is a partial 'section through a flanged joint embodying the present invention; 1 Fig 2 shows a partial plan view of the f langed joint in the direction X of f ig 1 without the screwed j oint; and Fig 3 shows a cut out Y of the flanged joint of fig 2 on an enlarged scale.
The flanged joint shown in Fig 1 comprises two 35 connecting elements, 1, la designed as welded flanges, 1 which are welded onto beams 2, 2a e.g. of a lattice. structure. Each connection element li la has a flange portion 3, having a smooth connecting surface 4, and a web 5 extending perpendicularly thereto. The wall thickness and contour of each web 5 corresponds to "the cross-section of the beam 2, 2a to be welded thereto.
The beam 2 shown in Fig 1 has a retangular shaped cross-section with a central axis 10r such as that of a square tube; as such the flange section extending on both sides of the web 5 comprises a retangular frame. The connecting element 1 is provided with a web 5, adapted according to the beam of the lattice. Thus, if the beam has a circular tubular cross-section, a Y-' shaped or other cross-section, the element 1 is shaped correspondingly.
The flange section 3 has slotted holes 7 on both sides of the web 5, for receiving screw or bolt connectors 6.
The longitudinal axes 8 of the slotted holes 7 are inclinded at an angle 45 0 to the sides 9 of the flange section 3.
The slotted holes 7, as viewed in the direction opposite to arrow xl are arranged at an angle opposite to that described above due to the reverse position of the connecting element 1 a for the beam 2a. Thus, the two longitudinal axes 8, 8a of the mutually facing slotted holes meet at an angle RP = 90 0. Consequently an identical design of the two connecting elements is possible. The longitudinal axes 8, 8a will intersect at the centre of adjacent slotted holes 7 if the central axes 10 of the two beams 2,.2a correspond and the beams 2, 2a are thus concentric. As illustrated by way of Fig. 3r it is possible to shift the slotted holes 7 in opposite relative directions by at least an amount E, so as to guarantee passage for the screw connector 6. The flanged joint of the invention will therefore make it possible to join the two beams 2, 2a even if they 5 are eccentric to a dimension E in all directiofis. Minimum eccentricities of E = 15 mm. at the joint should preferably be possible.
The connector 6 has an appropriate number of prestressed cap screws or bolts 11 with nuts 12 to absorb the tensile force.
A washer 13 is fitted between the bolt head and flange section 3 and /or between the nut 12 and flange section 3.
The washer comprises either a round or rectangular washer 13a with a round through-hole 14 for each bolt 11. Alternatively, it may comprise a frame-shaped plate 13b with through-holes 14 for the screws 11. The whole plate 13b has to be shifted depending on the position of the screws 11 in the slotted holes 7.
It is possible to insert shims 15 between the connecting surfaces 4 of the connecting elements 1, la, to provide. axial compensation when assembling the beams. The shims preferably consist of lmm thick sheets, so that e.g. a maximum construction tolerance of 15mm can be compensated with 15 shims.
The shape of the frame shaped shims 15 corresponds to the flange sectiony and each shim 15 has a plurality of holes for receiving respective ones of the connectors 6. The diameter of each hole corresponds to the longitudinal dimension of the slotted holes 7.
i 1 A different number of shims 15 can be inserted depending on the distance between the two connecting elements 1. la. prior to inserting the connectors 6.
Thus it is possible to align the sheets according to the position of the edges of onel or both or e.g. half the number of the two connecting elementst if the connecting elements are eccentrically positioned with respect to each other.
The connecting elements 11 la are constructed as castings and manufactured from cast steel. It is possible to compensate for any difference in elastic limits of the rolled material of the beam and the cast steel of the connecting elements by way of a step in thickness, wherein the thickness of the flanged section is greater that the wall thickness of the web; depending on the static load requirements. The thickness of the flange section is preferaby at least one and a half to twice that of the wall of the web.

Claims (11)

1 A flanged joint arrangement comprising corresponding connection elements, each of which elements has a flange portion having apertures for receiving bolt means to thereby join the elements together, and a web portion, wherein the apertures comprise slotted holes, the longitudinal axes of aligned pairs of which are mutually disposed at an 10 angle.
is
2. An arrangement as claimed in claim 1, wherein said longitudinal axes are mutually disposed at right angles.
3. An arrangement as claimed in claim 1 or 2, where in a f lange portion is provided on both sides of the web portion.
4. An arrangement as claimed in claim 1, 2 or 3, wherein the connection elements each comprise cast steel components the wall thickness of the f lange portions of which is greater than the wall thickness of the web portion.
5. An arrangemnt as claimed in claim 1.2,3 or 4.
i wherein the longitudinal axes of the slatted holes of each flanged portion are parallel.
6. An arrangement as claimed in claim 1, 21 3, 4 or 5, wherein a washer plate is located around the or each flange portion and under a head and/or a nut of each of the bolt means.
7. An arrangment as claimed in any preceding claim, 7. An arrangment as claimed in any preceding claim, wherein at least one shim is located between the mutually facing surfaces of the connecting elements so as to compensate for axial differences in dimensions thereof.
8. An arrangement as claimed in any preceding claim, wherein the flange portion comprises a substantially retangular frame.
9. An arrangement as claimed in any preceding claim, wherein the longitudinal axis of each slotted hole subtends the edge of the flange poriton at 0 substantially 45 ',
10. An arrangement as claimed in any preceding claim, for joining beams or tubular elements of a lattice structure.
11. A flanged joint arrangement substantially as hereinbefore described with reference to the drawings.
1
GB8921699A 1988-09-26 1989-09-26 Flanged joint Expired - Fee Related GB2223077B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3566/88A CH675742A5 (en) 1988-09-26 1988-09-26

Publications (3)

Publication Number Publication Date
GB8921699D0 GB8921699D0 (en) 1989-11-08
GB2223077A true GB2223077A (en) 1990-03-28
GB2223077B GB2223077B (en) 1992-06-10

Family

ID=4258767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8921699A Expired - Fee Related GB2223077B (en) 1988-09-26 1989-09-26 Flanged joint

Country Status (8)

Country Link
JP (1) JPH02107887A (en)
CH (1) CH675742A5 (en)
DE (1) DE3926778A1 (en)
FI (1) FI894495A (en)
FR (1) FR2637026B1 (en)
GB (1) GB2223077B (en)
IT (1) IT1233013B (en)
NO (1) NO178476C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2388479A1 (en) * 2010-05-21 2011-11-23 Siemens Aktiengesellschaft Arrangement to connect a nacelle with a tower of a wind turbine
EP2884026A3 (en) * 2013-12-12 2015-08-26 RWE Innogy GmbH Connection profile of a structure as offshore or onshore structure and flange connection on such a structure and method for erecting a structure using the connection profile
US20200080335A1 (en) * 2017-03-22 2020-03-12 Wobben Properties Gmbh Flange segment for a wind turbine, steel tower ring segment, and method

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0536186U (en) * 1991-10-18 1993-05-18 積水化学工業株式会社 Pipe connection structure
DE10126049A1 (en) * 2001-03-23 2002-12-05 Aloys Wobben Flange connection, for the erection of tubular wind energy tower segments, has a conical outer wall of the flange tubular section to mate with a matching conical component to reduce damage through cracks and fatigues
ES2240732T3 (en) 2001-03-23 2005-10-16 Aloys Wobben UNION FLANGE FOR TUBULAR COMPONENTS.
CN104033109B (en) * 2014-06-25 2016-02-03 上海中联重科桩工机械有限公司 Rotary drilling rig mast and assembling method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897929A (en) * 1958-09-04 1962-05-30 Emile Wodli Shelving or the like constructions
GB967965A (en) * 1960-09-09 1964-08-26 Raymond Francon Improvements in or relating to dismantlable skeleton frame structures
US3339750A (en) * 1965-08-09 1967-09-05 Hana Corp Structural connector
GB1491168A (en) * 1974-09-18 1977-11-09 Vag Och Vattenbyggnads Ab S H Pile joints

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB718521A (en) * 1951-10-26 1954-11-17 Paul Christopher Berend Improvements in or relating to constructional elements
US2733786A (en) * 1951-12-21 1956-02-07 Drake
BE536042A (en) * 1954-03-11
US2995223A (en) * 1959-05-12 1961-08-08 Roys Lawrence Demountable structural frames and couplings therefor
DE1231975B (en) * 1963-11-02 1967-01-05 Gutehoffnungshuette Sterkrade Welding neck flange
AT326327B (en) * 1974-01-07 1975-12-10 Plan & Bau Planungs Bau Und Ha SUPPORT COLUMN FOR STRUCTURES
DE2522685A1 (en) * 1975-05-22 1976-12-09 Werner Dipl Ing Hintz Laminar adjustable bearing support - has stack of radially slidable annular discs between bearing sleeve and support arms
US4035093A (en) * 1976-03-01 1977-07-12 The Boeing Company Bi-directional adjustable couplings
FR2350453A1 (en) * 1976-05-05 1977-12-02 Dziewolski Richard Tubular framework connector for tower construction - has piece accommodating inclined component fixed to flattened ends of lengthwise components
FR2362251A1 (en) * 1976-08-20 1978-03-17 Sfedtp Building framework assembly by bolting - has beams and columns with flanges and end plates drilled to include registered holes
GB2109431B (en) * 1981-10-31 1985-09-11 Misawa Homes Co Modular building structure and module for it
CA1245827A (en) * 1985-05-14 1988-12-06 John Shewchuk Coupling component for breakaway pole bases
GB2193521A (en) * 1986-07-21 1988-02-10 Henry Bak Yieldable post assembly
DD269874A1 (en) * 1987-12-31 1989-07-12 Verlade Transportanlagen SCREWED BUMPER FOR STABLE COMPONENTS WITH CASE BUTTON

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB897929A (en) * 1958-09-04 1962-05-30 Emile Wodli Shelving or the like constructions
GB967965A (en) * 1960-09-09 1964-08-26 Raymond Francon Improvements in or relating to dismantlable skeleton frame structures
GB1137835A (en) * 1960-09-09 1968-12-27 Raymond Francon Improvements in or relating to dismantlable skeleton frame structures
US3339750A (en) * 1965-08-09 1967-09-05 Hana Corp Structural connector
GB1491168A (en) * 1974-09-18 1977-11-09 Vag Och Vattenbyggnads Ab S H Pile joints

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2388479A1 (en) * 2010-05-21 2011-11-23 Siemens Aktiengesellschaft Arrangement to connect a nacelle with a tower of a wind turbine
WO2011144265A1 (en) * 2010-05-21 2011-11-24 Siemens Aktiengesellschaft Arrangement to connect a nacelle with a tower of a wind turbine
EP2884026A3 (en) * 2013-12-12 2015-08-26 RWE Innogy GmbH Connection profile of a structure as offshore or onshore structure and flange connection on such a structure and method for erecting a structure using the connection profile
US20200080335A1 (en) * 2017-03-22 2020-03-12 Wobben Properties Gmbh Flange segment for a wind turbine, steel tower ring segment, and method

Also Published As

Publication number Publication date
GB2223077B (en) 1992-06-10
FI894495A0 (en) 1989-09-22
FI894495A (en) 1990-03-27
NO893807D0 (en) 1989-09-25
FR2637026B1 (en) 1993-12-31
DE3926778A1 (en) 1990-04-05
IT1233013B (en) 1992-03-14
CH675742A5 (en) 1990-10-31
JPH02107887A (en) 1990-04-19
NO893807L (en) 1990-03-27
NO178476B (en) 1995-12-27
FR2637026A1 (en) 1990-03-30
GB8921699D0 (en) 1989-11-08
NO178476C (en) 1996-04-03
IT8921797A0 (en) 1989-09-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970926