EP2408706A1 - Stop element and combination of a stop element and a fastening means - Google Patents
Stop element and combination of a stop element and a fastening meansInfo
- Publication number
- EP2408706A1 EP2408706A1 EP10708206A EP10708206A EP2408706A1 EP 2408706 A1 EP2408706 A1 EP 2408706A1 EP 10708206 A EP10708206 A EP 10708206A EP 10708206 A EP10708206 A EP 10708206A EP 2408706 A1 EP2408706 A1 EP 2408706A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stop element
- opening
- wedge
- wedge surfaces
- fastening
- 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
Links
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
Definitions
- the invention relates to a stop element for coupling a stop means, such as a shackle, hook or ring, or a lifting means, such as a belt, a rope, a chain or a belt, with a good to be transported, wherein the stop element has a mounting portion, in the an elongate shaped opening is formed, which leads from the top of the mounting portion to a contact surface formed on the underside of the mounting portion.
- the invention relates to a combination of such a stop element and a fastening means, wherein the fastening means may comprise a clamping element and an adapter piece.
- Stop elements of the type in question here usually have a mounting portion with which they are attached directly to the goods to be transported, and a stop segment on which the respective lifting means, such as tape, rope, chain or belt, by knots or loops either directly can be connected or for practical and safety considerations about serving as an intermediate element stop means, such as a Shackle, a hook or ring, can be connected. Openings are formed in the fastening sections, through which a fastening means, which is typically a screw or a bolt, can be guided into a corresponding opening on the respective flange of the material to be transported. In order to simplify the assembly and alignment of the stop element, the openings in question m are usually designed as Langiocho réelleen so that the exact angular position of the respective stop element can be adjusted again before the final bracing of the respective fastener.
- Such slings are used, for example, for lifting and aligning large steel, separately prefabricated tower elements of wind turbines or comparable sized pipes of pipelines or the like.
- the diameter of such respective rohrformigen elements is usually much smaller than their length. Therefore, the elements are transported horizontally to the respective location.
- tower elements In the case of tower elements, they must then be raised at the site not only by the used for carriage heavy truck, wagon or ship and pivoted to its final position, but in addition also be rotated by the horizontal orientation m a vertical orientation, so that they on a foundation or an already erected tower element can be turned off.
- the horizontal orientation m a vertical orientation, so that they on a foundation or an already erected tower element can be turned off.
- at least two stop elements are typically fastened to the end faces of the end flanges of the tubular elements such that the one stop element is mounted, for example, at 10 o'clock and the second element at 2 o'clock.
- the line of action of the lifting forces acting on the fasteners used to lift the cargo to lift the cargo is oriented at an acute angle to the force of gravity. Due to the fact that the fastening means in each case sits in an elongated opening of the associated fastening portion of the stop element, it can therefore happen that the stop element slips under the load in the event that the respective clamping means is not tightened with sufficient force. After overcoming the ruling between the stopper element and the respective flange friction this slippage is often abrupt, so that there is a dangerous sudden overloading
- Fastener may come by shear forces for which the fasteners are not designed.
- the object of the invention to provide a stop element, in which the risk of slippage is minimized even under insufficient tension of the respective fastener.
- a stop element and a fastener comprehensive kit should be proposed, with a permanently secure attachment of the stop element is possible even under unfavorable loads.
- this object has been achieved by a stop element, which according to the invention has the features specified in claim 1.
- Advantageous embodiments of such a stop means are specified in the dependent claims on claim 1.
- a stop element according to the invention has, in a manner known per se, at least one fastening section into which an elongate shaped opening is formed, which leads from the upper side of the fastening section to a contact surface formed on the underside of the fastening section.
- a wedge surface oriented in the longitudinal direction of the elongate opening of the fastening section is now formed on the fastening section.
- This wedge surface extends in a plane which intersects the longitudinal axis of the opening at an acute angle.
- the wedge surface is formed as a support for a fastening means which is provided for bracing the stop element on the goods to be transported.
- the inventively provided at the attachment portion of the stopper member wedge surface is thus aligned so that in the longitudinal direction of the opening of the Befest Trentsxgungsabschmtts and thus acting transversely to 3eumble fasteners forces are diverted in the direction of the clamping force exerted by the fastener and thus contribute in addition to the support of the stop element on each to be transported Good. It is achieved as a keying of the stop element, whereby slipping of the stop element is reliably prevented.
- the fastener comprises a mold element with a wedge surface with which the fastener is slidably supported on a wedge surface of its associated attachment portion of the stop element.
- the shaped element provided with the wedge surface may be, for example, a separately formed shoulder of a tensioning element designed as emstuckig fastening means, such as a screw or a bolt, which protrudes sufficiently far from the screw shank.
- the mold element provided with the wedge surface may be the screw head of such a fastener.
- the fastening means a clamping element, such as a screw or a bolt, and as provided with the wedge-shaped form element comprises a separately prefabricated adapter piece, which has a support surface for supporting the clamping element and a passage opening through which the clamping element is insertable into the opening of the associated attachment portion.
- optimal loads of the fastening means while minimizing the space requirement of the respective fastening portion of the stop element can be achieved in that the respective wedge surface adjoins the elongate opening of the fastening portion.
- the wedge surface formed on the attachment portion of the stop element according to the invention is, of course, in each case oriented such that the wedging of the stop element to the respective attachment means provided according to the invention is achieved. That is, the respective effective wedge surface is aligned so that as a result of one of the triggered by the respective holding forces eventual movement of the stop element, the fastening means is loaded in the direction of the clamping force exerted by it and not relieved.
- a further embodiment of the invention provides that at least one pair of wedge surfaces is present, of which the plane of the one wedge surface opposite to the plane of the other wedge surface under a acute angle relative to the longitudinal axis of the opening is aligned.
- the uniform loading of the respective attachment means can also be assisted by the wedge faces associated with the respective longitudinal edge of the opening of the attachment section being inclined in the same direction.
- those at the respective Fixing portion existing, inclined in the same direction wedge surfaces each mirror symmetry arranged to the longitudinal axis of the opening of the attachment portion.
- the Abstutzung the clamping means on the wedge surfaces of the mounting portion can be particularly well secured that the adapter piece has at least two projections on each of which a wedge surface is formed, which is assigned in each case one of the inclined in the same direction wedge surfaces of the attachment portion. In this case, therefore, the adapter piece is always trimmed on two equally inclined wedge surfaces of the mounting portion. If the two wedge surfaces inclined in the other direction are to be used, a correspondingly adapted second adapter piece can be used for this purpose.
- the adapter piece can also be designed so that it is truncated by moving around its longitudinal axis on the m one or the other direction directed wedge surfaces.
- the adapter piece may for this purpose have a pair of wedge faces which are arranged correspondingly to those remote from the longitudinal sides of the opening of the associated fastening portion and a pair of between the first pair of wedge surfaces disposed adjacent to the longitudinal edges of the opening of the attachment portion and across the wedge surfaces of the first pair of wedge surfaces.
- the free mobility of the adapter stucco can thereby be secured by the fact that the length of the second pair of wedge surfaces is dimensioned so that the wedge surfaces of this pair are movable with an orientation transverse to the longitudinal axis of the opening of the attachment portion with play through the opening along its longitudinal axis.
- the adaptation to the respective fastening situation can be carried out without changing the fastening means. In this case acting on the clamping element of the fastener transverse forces are minimized as far as possible.
- the wedge surfaces of the wedge surface pairs of the fastening section can also be arranged on the stop element such that the wedge surfaces assigned to the respective longitudinal edge extend inclined in the opposite direction.
- this embodiment has the advantage that the adapter can be adapted to the respective mounting situation by simply translating 180.degree.
- the longitudinal axis of the clamping means if a long opening suitable for the required offset is formed in the adapter or in a single-piece Formation of the fastener provided with the wedge surfaces paragraph relative to the longitudinal axis of the clamping means is arranged sufficiently eccentrically.
- a particularly simple design with a particularly reliable function is obtained when the opening of the fastening portion is formed as a slot with parallel longitudinal sides.
- the wedge surfaces seen in plan view may have a linear course, so that the respective fastening means can be easily moved on them.
- FIG. 1 shows a stop element in a longitudinal section.
- Figure 2 shows the stop element in plan view.
- FIG. 3 shows the adapter piece m in a view from below
- Adapter piece m a first lateral view from the m Fig. 3 marked direction A 1 ;
- the adapter piece m a second side view of the drawn in Fig. 3 direction A ".
- the emstuckig example, produced as a forged stop element 1 has a schbogenformig trained stopper portion 2, at the ends of each m a radial direction of the stopper portion 2 projecting, substantially parallelepiped mounting portion 3.4 is formed.
- the longitudinal axes L3, L4 of the fastening sections 3, 4 are aligned in alignment with one another in the embodiment shown here by way of example only, so that the stop element 1 has an elongated shape when seen in plan view (FIG. 2).
- the fastening sections 3, 4, but also in plan view could be aligned at an angle to the stop section 2, so that their longitudinal axes L3, L4 intersect at an acute angle.
- Such an arrangement may be useful, for example, when the respective stop element is to be attached to a circular flange with a comparatively small diameter.
- the attachment portions could be arcuately curved, if this is suitable in view of the respective mounting situation.
- each of the attachment portions 3,4 is formed as a slot with parallel longitudinal edges 5,6 formed elongated opening 7,8, the longitudinal axis coincides with the longitudinal axis L3, L4 of the mounting portions.
- pairs 10, 11 and 12, 13 of wedge surfaces 14 a, 14 b; 15a, 15b; 16a, 1b; 17a, 17b formed.
- the in plan view in each case parallel to the longitudinal axis L3, L4 of the mounting portions 3.4 extending wedge surfaces 14a, 14b; 15a, 15b; 16a, 1b; 17a, 17b of each wedge surface pair 10, 11; 12, 13 are in opposite directions inclined to each other and each arranged in a respective plane E1, E2, E3, E4, which are the longitudinal axis L3, L4 of the respective attachment portion 3.4 cut at an angle ß.
- the wedge surfaces 14a, 15a and 16a, 17a adjacent to the longitudinal edges 5, 6 of the respective opening 7, 8 rise in the direction of the end 7a, 8a of the relevant opening 7, 8 associated with the stop section 2, respectively spaced apart from the respective longitudinal edge 5,6 arranged wedge surfaces 14b, 15b and 16b, 17b in this direction.
- the flat Aufstandflachen 18,19 present on the bottom of the mounting portions 3,4 are aligned parallel to the longitudinal axes L3, L4, so that the planes E1, E2, E3, E4 and the imaginary extensions of the Aufstandflachen 18th , 19 each intersect at the angle ß.
- fastening means 20,21 are provided for bracing the stop element 1 on a flange.
- the fastening means 20, 21 each comprise a conventional screw 22, 23 and an adapter 24, 25.
- the identically shaped adapters 24, 25 have a rectangular shape in the form of a plan view (FIG. 2) whose length L is, apart from a slight undersize, the distance between the outer edges of the wedge faces 14b, 15b or faces away from the respective openings 7, 8 16b, 17b corresponds.
- the undersize is so dimensioned that the adapter pieces 24,25 aligned transversely to the longitudinal axis L3, L4 Long L easily by the respective wedge surface pairs 10,11 and 12,13 occupied recess of the mounting portions 3.4 can be moved.
- the width B of the adapters 24, 25 corresponds, apart from a slight undersize, to the distance between the edges of the inner wedge surfaces 14 a, which are adjacent to the respective wedge flanks 14 b, 15 b or 16 b, 17 b, 15a or 16a, 17a.
- the undersize is dimensioned in this case so that the adapters 24,25 can be easily moved with the width B aligned transversely to the longitudinal axis L3, L4 by the space bounded laterally by the outer wedge surfaces 14b, 15b or 16b, 17b.
- the adapters 24, 25 each have a central section 26, on the upper side of which there is a flat support surface 27 for the purpose of supporting the head of the respective screw 22, 23.
- m is the central portion 26, a centrally disposed passage opening 28 formed through which the shaft of the respective screw 22,23 is guided to put it through the respective associated opening 7,8 of the mounting portions 3,4.
- each adjacent to narrow sides of the respective adapter 24,25 and centered m respect to the width B are arranged.
- the width B 'of the paragraphs 29,30 corresponds to a slight undersize of the transversely to the longitudinal axis L3, L4 measured clear width W of the openings 7,8, so that the paragraphs 29,30, when aligned transversely to the longitudinal axis L3, L4 are, with a slight play through the openings 7,8 can be pushed.
- the imaginary extension with the flat bearing surface 27 of the adapter 24,25 also includes the angle ß.
- the thickness D of the shoulders 29, 30 measured in the longitudinal direction of the adapters 24, 25 is dimensioned so that the inside width between the shoulders 29, 30 is larger by a small excess than the distance between the respective external wedge faces 14b, 15b and 15b 16b, 17b associated edges of the inner, adjacent to the respective opening 7,8 wedge surfaces 14a, 15a and 16a, 17a.
- the height H of the paragraphs 29,30 is selected so that when reaching the end remote from the abutment portion 2 end of the outer wedge surfaces 14b, 15b and 16b, 17b there is sufficient for the free mobility of the adapter 24,25 distance between the underside of the central portion 26 and the inner, there with respect to the outer wedge surfaces 14b, 15b and 16b, 17b reaching their highest point wedge surfaces 14a, 15a and 16a, 17a consists.
- the adapters 24,25 can be placed with respect to the respective outer wedge faces 14b, 15b or 16b, 17b of the fastening sections 3,4 and positioned on them in the direction of the longitudinal axis L3, L4 aligned with their heels 29,30 in that the support surface 27 is guided substantially parallel to the respective contact surface 18, 19.
- the adapter 24,25 a with respect to the length L of the adapter 24,25 centrally arranged, over the width B of the adapter 24,25 extending paragraph 33 is formed.
- Its measured thickness in the longitudinal direction D ' also corresponds here to a small undersize of the measured transverse to the longitudinal axis L3, L4 clear width W of the openings 7,8, so that the paragraphs 29,30, if they are aligned transversely to the longitudinal axis L3, L4 , with a slight play through the openings 7,8 can be pushed.
- the imaginary extension of the support surface 26 also intersects at the angle ß.
- the adapters 24,25 can be placed on their respective wedge flats 14a, 15a or 16a, 17a of the attachment portions 3,4 and moved on them at width B aligned transversely to the longitudinal axis L3, L4 with their shoulder 33, that is the support surface 27 is guided substantially parallel to the respective Aufstandflache 18,19.
- the adapters 24,25 are each aligned so that they are each truncated on those of the wedge surfaces 14a-17b, which rise against the force K, which under load to a displacement of the stop element 1 drove relative to the asset to be lifted. If the relevant force K, as indicated in FIG. 1, is directed in the direction of the one attachment section 3, then this attachment section 3 is the third associated adapter 24 consequently supported on the rising in the direction of the stopper portion 2 inner wedge surfaces 14a, 15a, while the other attachment portion 4 associated adapter 25 on the outer, in the direction away from the stopper portion 2 direction wedge surfaces 16b, 17b sits. In this way, the adapter element 1 is wedged against the screws 22,23 of the fasteners 20 and 21, that any unwanted slipping of the stop element 1 is reliably prevented even under high load.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009013197A DE102009013197B4 (en) | 2009-03-17 | 2009-03-17 | Stop element and combination of a stop element and a fastener |
PCT/EP2010/053176 WO2010105978A1 (en) | 2009-03-17 | 2010-03-12 | Stop element and combination of a stop element and a fastening means |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2408706A1 true EP2408706A1 (en) | 2012-01-25 |
EP2408706B1 EP2408706B1 (en) | 2015-01-28 |
Family
ID=42225069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10708206.7A Active EP2408706B1 (en) | 2009-03-17 | 2010-03-12 | Stop element and combination of a stop element and a fastening means |
Country Status (7)
Country | Link |
---|---|
US (1) | US8544925B2 (en) |
EP (1) | EP2408706B1 (en) |
CN (1) | CN102356040B (en) |
DE (1) | DE102009013197B4 (en) |
DK (1) | DK2408706T3 (en) |
ES (1) | ES2534748T3 (en) |
WO (1) | WO2010105978A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5791430B2 (en) * | 2011-08-29 | 2015-10-07 | 三菱日立パワーシステムズ株式会社 | Disc lifting jig |
US9157699B2 (en) * | 2013-01-15 | 2015-10-13 | Magpul Industries Corp | D-ring for sling |
EP4390117A1 (en) * | 2022-12-19 | 2024-06-26 | Wobben Properties GmbH | Lifting means for lifting a component of a wind turbine |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1462435A (en) * | 1922-09-13 | 1923-07-17 | Charles L West | Pile lifter |
US1535022A (en) * | 1923-11-23 | 1925-04-21 | Cloyed M Jenkins | Motor-hoisting hitch |
US1694326A (en) * | 1925-06-12 | 1928-12-04 | Edward S Klausner | Fitting-up bolt device |
DE841666C (en) * | 1949-04-05 | 1952-06-19 | Kurt Opderbeck | Connecting component |
DE843774C (en) * | 1951-02-06 | 1952-07-14 | Steinmueller Gmbh L & C | Wedge connection, in particular for fastening sheet metal cladding or the like. |
US2848267A (en) * | 1956-11-28 | 1958-08-19 | Wroblewski Medard | Stud lift adapter |
US4118059A (en) * | 1977-08-29 | 1978-10-03 | Gyrac Engineering Products Limited | Wire rope slings |
DE8137354U1 (en) * | 1981-12-22 | 1982-07-01 | Fa. August Thiele, 5860 Iserlohn | Connection device |
US5141357A (en) * | 1991-01-09 | 1992-08-25 | Sundstrand Corp. | Misalignment compensating fastener insert |
US5823588A (en) * | 1995-11-13 | 1998-10-20 | Morghen; Manfred A. | Universal hoist assembly |
US6039500A (en) * | 1998-05-05 | 2000-03-21 | Kwon; Yong Chin | Quick change side full hoist ring assembly |
DE10007454C2 (en) * | 2000-02-18 | 2003-01-16 | Dura Automotive Plettenberg | Tolerance compensation element |
JP3918905B2 (en) * | 2000-11-16 | 2007-05-23 | 株式会社日立プラントテクノロジー | How to install a windmill generator |
DE10101318B4 (en) * | 2001-01-08 | 2005-01-20 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Device for bracing joining of spaced apart components |
CN101479179B (en) * | 2006-06-30 | 2013-01-02 | 维斯塔斯风力系统有限公司 | Lifting equipment for handling a wind turbine component and a method for handling a wind turbine component |
DE102008051015A1 (en) * | 2008-10-13 | 2010-04-22 | Spanset-Secutex Gmbh | stop bracket |
-
2009
- 2009-03-17 DE DE102009013197A patent/DE102009013197B4/en not_active Expired - Fee Related
-
2010
- 2010-03-12 DK DK10708206T patent/DK2408706T3/en active
- 2010-03-12 CN CN201080012507.9A patent/CN102356040B/en active Active
- 2010-03-12 US US13/145,404 patent/US8544925B2/en active Active
- 2010-03-12 EP EP10708206.7A patent/EP2408706B1/en active Active
- 2010-03-12 ES ES10708206.7T patent/ES2534748T3/en active Active
- 2010-03-12 WO PCT/EP2010/053176 patent/WO2010105978A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010105978A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102356040B (en) | 2014-01-22 |
DE102009013197A1 (en) | 2010-09-23 |
EP2408706B1 (en) | 2015-01-28 |
DK2408706T3 (en) | 2015-04-13 |
US8544925B2 (en) | 2013-10-01 |
WO2010105978A1 (en) | 2010-09-23 |
DE102009013197B4 (en) | 2013-02-28 |
ES2534748T3 (en) | 2015-04-28 |
CN102356040A (en) | 2012-02-15 |
US20110316297A1 (en) | 2011-12-29 |
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