WO2013084134A1 - Système de fixation - Google Patents

Système de fixation Download PDF

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Publication number
WO2013084134A1
WO2013084134A1 PCT/IB2012/056915 IB2012056915W WO2013084134A1 WO 2013084134 A1 WO2013084134 A1 WO 2013084134A1 IB 2012056915 W IB2012056915 W IB 2012056915W WO 2013084134 A1 WO2013084134 A1 WO 2013084134A1
Authority
WO
WIPO (PCT)
Prior art keywords
conical
fastening system
connection member
pin
stud
Prior art date
Application number
PCT/IB2012/056915
Other languages
English (en)
Inventor
Varlik KILIC
Hasan Koray ULU
Original Assignee
Fnss Savunma Sistemleri Anonim Sirketi
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 Fnss Savunma Sistemleri Anonim Sirketi filed Critical Fnss Savunma Sistemleri Anonim Sirketi
Publication of WO2013084134A1 publication Critical patent/WO2013084134A1/fr

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
    • F16B5/025—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 specially designed to compensate for misalignement or to eliminate unwanted play
    • 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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/02—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with special provisions for engaging surfaces which are not perpendicular to a bolt axis or do not surround the bolt
    • 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
    • F16B5/0216—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 the position of the plates to be connected being adjustable
    • F16B5/0225—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 the position of the plates to be connected being adjustable allowing for adjustment parallel to the plane of the plates

Definitions

  • the present invention relates to a fastening system shear load-carrying capacity of which is high and compensates errors resulting from manufacturing and assembly to be compensated.
  • WO2005113997 an application known in the state of the art, discloses difficulties in production of fasteners which can endure shear loads under high vibration and also a fastener with two parts with eccentric conical surfaces which are developed for this purpose and the fact that alignment convenience is provided in assembling parts with reduced tolerance controls using this fastener.
  • one of two parts those are connected with the proposed connection system do not have a conical feature on it, and without the bolt or screw or the connecting part that has the thread on it, but only with the conical rings assembled, there is no shear load transfer between the parts to be connected.
  • the shear load is carried by the friction between parts or through the bolt or screw, only after the bolt screw or the part has the thread on it is assembled and torque applied.
  • one of the parts to be connected has male conical feature which is machined, welded, close fitted or assembled previously while the other one has female conical feature which is manufactured, welded, close fitted or assembled previously.
  • the conic angles of the conical surfaces of the two parts and the conical pins or rings are designed for self locking condition considering the friction coefficient between the surfaces, a self locking connection can be achieved
  • the connection can carry shear load through self locking fit between the two parts to be connected through conical rings or pins placed and rotated until full surface contact achieved without the bolt, screw, the part has the tread on it.
  • the connection can carry even tensional loads in the direction of separation of the parts to be connected, if a tightening force to conical pins or rings applied and removed after close fit is formed between the parts to be connected through the conical pins or rings
  • An objective of the present invention is to realize a fastening system shear load- carrying capacity of which is high.
  • Another objective of the present invention is to realize a fastening system which enables to compensate manufacturing and positioning faults arising from manufacture or assembly.
  • a further objective of the present invention is to realize a fastening system which has the characteristic of extra clearance which allows relatively positioning the parts, while a close fit type of multiple connections can be achieved between the parts to be connected
  • a further objective of the present invention is to realize a fastening system which can carry shear and tension loads through the self locking close fit between the parts through the conical surfaces on parts and conical pins or rings, even without a tightening component such as screw, bolt or part having a thread on it.
  • Figure 1 is the exploded view of the inventive fastening system without conical pin group.
  • Figure 2 is the exploded view of the inventive fastening system with conical pin group.
  • Figure 3 is the sectional view of the inventive fastening system.
  • Figure 4 is the sectional view of the state where the center of the conical hole and center of the conical stud of the two parts to be connected with the inventive fastening system are coincident.
  • Figure 5 is the sectional view of the state where center of the conical hole and center of the conical stud of the two parts to be connected with the inventive fastening system are misaligned with the maximum amount that the system can compensate.
  • the inventive fastening system (1) comprises:
  • the conical pin group (6) comprises one inner pin (7) and one outer pin (8).
  • the inner pin (7) and the outer pin (8) are preferably conical and there is an eccentricity between the centers of the inner and outer conical surfaces thereof.
  • Value of the said cone angle can have any angle value ranging between -90 to +90 degrees.
  • the conical stud (2) located on the first connection member (3) can be assembled to the first connection member (3) via welding or fastening or it may be formed by being machined on the first connection member (3).
  • the cylindrical hole (9) is threaded.
  • the first connection member (3) comprises at least one secondary threaded cylindrical stud (not shown in the figures) on the end of the conical stud (2) which is not connected to the first connection member (3).
  • the conical hole (4) located on the second connection member (5) can be assembled to the second connection member (5) via welding or fastening or it may be formed by being machined on the second connection member (5).
  • the conical stud (2) and the conical hole (4) have geometric structures with non-zero cone angles.
  • first connection member (3) and the second connection member (5) are aligned in accordance with each other such that the stud (2) will correspond to the hole (4).
  • the conical pin group (6) is fit into the hole (4), rotated until surface contact and placed there.
  • the first connection member (3) and the second connection member (5) are fixed to each other by means of at least one nut on the secondary cylindrical threaded stud.
  • Eccentricity values between the inner and outer conical surface axes of the inner pin (7) and the outer pin (8), which are provided in the inventive fastening system (1), are equal.
  • cone angles of the conical stud (2), the conical hole (4), the inner pin (7) and the outer pin (8) in the inner and outer surfaces thereof can have any angle value between -90 to +90 degrees.
  • the said cone angle can have a different or same value for each part or each surface. Cylindrical surfaces are obtained in the event that the cone angle is 0 degrees.
  • no tightening force occurs between surfaces of conical pin group the conical pin group (6) and the first and second connection members (3, 5). Owing to the fact that no tightening force, hence no friction force, will occur between the said parts, the inner and the outer pins (7, 8) provided in the conical pin group (6) start turning when the fastening system (1) is exposed to shear load.
  • the cone angles chosen as 0 degrees are preferably not used.
  • the cone angles are calculated and selected considering the friction coefficient between the conical surfaces of conical stud (2), conical hole (4) and conical inner and outer surfaces of the inner and the outer pins (7, 8) to allow the fastening system (2) be self locking.
  • the compression force obtained between conical surfaces of the inner and the outer pins (7, 8) to each other or towards the first and second connection members (3, 5), created by shear load between connection members (3, 5) will result in higher friction forces on the conical surfaces which can resist the sliding on conical surfaces again created by the shear load between connection members (3, 5).
  • the inner pin (7) and the outer pin (8) can resist to the rotation which is caused by shear load and to the separation which will is also caused by shear load with the help of friction force generated between the conical surfaces compressed to each other by the shear load among the connection members (3, 5).
  • first and second connection members (3, 5) can be achieved through conical pin group (6) if the conical pin group (6) is pressed into the fastening system (1), or a tightening component such as a screw is thightened and then glu into inventive the fastening system (1).
  • tension loads and torsion loads can also be transferred between the first and second connection parts (3, 5) as well as shear loads even without a screw or bolt tightened to the inventive fastening system (1) ( Figure 3).
  • the first and second connection parts (3, 5) and conical pin group (6) are tightened together with screw or bolt- nut type of connecting elements. And the tightening force on the first and second connection parts (3, 5) and conical pin group (6) created by the screw or bolt-nut keeps the close and self locking fit there and provides most of the shear, torsion and tension load to be carried over the conical pin group (6), while screw or bolt-nut carries the least.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

La présente invention porte sur un système de fixation (1) dont la capacité de support de charge de cisaillement est élevée et qui peut compenser les erreurs résultant de l'usinage ou de l'assemblage. Ledit système de fixation (1) comprend au moins un premier élément d'assemblage (3) qui porte au moins un téton conique (2), au moins un second élément d'assemblage (5) qui présente au moins un trou conique (4) et au moins un groupe de chevilles coniques (6) comprenant une cheville intérieure (7) et une cheville extérieure (8) qui ont des surfaces intérieure et extérieure coniques et excentriques, ce qui permet au premier élément d'assemblage (3) et au second élément d'assemblage (5) de s'assembler l'un à l'autre.
PCT/IB2012/056915 2011-12-05 2012-12-03 Système de fixation WO2013084134A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2011/02877 2011-12-05
TR201102877 2011-12-05

Publications (1)

Publication Number Publication Date
WO2013084134A1 true WO2013084134A1 (fr) 2013-06-13

Family

ID=47603864

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/056915 WO2013084134A1 (fr) 2011-12-05 2012-12-03 Système de fixation

Country Status (1)

Country Link
WO (1) WO2013084134A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170356479A1 (en) * 2016-06-09 2017-12-14 Bruce Dominguez Locking Cams Assembly and Method
US10125800B1 (en) 2016-06-09 2018-11-13 Bruce Dominguez Cam positioning of machinery system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613000A (en) * 1979-10-26 1986-09-23 Moore Raymond J Apparatus for fastening misaligned structural members
US5141357A (en) 1991-01-09 1992-08-25 Sundstrand Corp. Misalignment compensating fastener insert
WO2005113997A1 (fr) 2004-05-19 2005-12-01 The Board Of Trustees Of The Leland Stanford Junior University Systeme de fixation conique excentrique
US20060088398A1 (en) * 2004-10-07 2006-04-27 Lund Casey B Alignment washer
DE102005034891A1 (de) * 2005-07-26 2007-02-01 Airbus Deutschland Gmbh Querkraftanschluss
WO2008115082A1 (fr) * 2007-03-20 2008-09-25 Itw New Zealand Limited Système de lavage réglable pour éléments de construction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613000A (en) * 1979-10-26 1986-09-23 Moore Raymond J Apparatus for fastening misaligned structural members
US5141357A (en) 1991-01-09 1992-08-25 Sundstrand Corp. Misalignment compensating fastener insert
WO2005113997A1 (fr) 2004-05-19 2005-12-01 The Board Of Trustees Of The Leland Stanford Junior University Systeme de fixation conique excentrique
US20060088398A1 (en) * 2004-10-07 2006-04-27 Lund Casey B Alignment washer
DE102005034891A1 (de) * 2005-07-26 2007-02-01 Airbus Deutschland Gmbh Querkraftanschluss
WO2008115082A1 (fr) * 2007-03-20 2008-09-25 Itw New Zealand Limited Système de lavage réglable pour éléments de construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170356479A1 (en) * 2016-06-09 2017-12-14 Bruce Dominguez Locking Cams Assembly and Method
US10125800B1 (en) 2016-06-09 2018-11-13 Bruce Dominguez Cam positioning of machinery system

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