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NL2008493C2 - Flange locking device. - Google Patents

Flange locking device. Download PDF

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Publication number
NL2008493C2
NL2008493C2 NL2008493A NL2008493A NL2008493C2 NL 2008493 C2 NL2008493 C2 NL 2008493C2 NL 2008493 A NL2008493 A NL 2008493A NL 2008493 A NL2008493 A NL 2008493A NL 2008493 C2 NL2008493 C2 NL 2008493C2
Authority
NL
Netherlands
Prior art keywords
clamping
sections
flanges
clamping device
bolt hole
Prior art date
Application number
NL2008493A
Other languages
Dutch (nl)
Inventor
Theodorus Gerardus Wilhelmus Steijn
Klaas-Jan Mulderij
Original Assignee
Ihc Handling Systems Vof
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 Ihc Handling Systems Vof filed Critical Ihc Handling Systems Vof
Priority to NL2008493A priority Critical patent/NL2008493C2/en
Priority to PCT/NL2013/050182 priority patent/WO2013137734A1/en
Application granted granted Critical
Publication of NL2008493C2 publication Critical patent/NL2008493C2/en

Links

Classifications

    • 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
    • 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
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
    • 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
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
    • E04H12/342—Arrangements for stacking tower sections on top of each other
    • 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
    • F16B2/04—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Clamps And Clips (AREA)

Description

Flange locking device Background 5 The present invention relates to a method for coupling two sections of a structure in their desired mutual position, each section comprising a respective flange provided with a number of bolt holes, and wherein the respective flanges abut when the two sections are in their desired mutual position.
Such a method is known from WO 2011/009538 which application relates to a 10 system for assembling, for fixing and for transporting as well as to a method for assembling and for transporting components of a wind turbine, in which a connecting device, a transport beam and transport frame are provided. The invention of WO 2011/009538 addresses the problem of providing a system and a method with which a rapid, cost-effective and reliable transport and a rapid, cost-effective and reliable 15 assembly and disassembly of the components of a wind turbine can be achieved. That problem is essentially solved in that the connecting device comprises two corresponding elements, which provide guide elements and receiving elements, the result being that the components are rapidly and reliably joined.
The present invention further relates to a clamping device for clamping abutting 20 flanges of two adjacent sections of a structure.
Summary of the invention
The invention aims to provide a method for coupling, in particular temporarily 25 coupling, two sections of a structure in their desired mutual position, which method is safe, however more fast and easy.
Another object of the invention is to improve a method for coupling two sections of a structure in their desired mutual position.
Yet another object of the invention is to provide an alternative method and clamping 30 device for coupling two sections of a structure in their desired mutual position.
According to a first aspect of the invention this is realized with a method for coupling two sections of a structure in their desired mutual position, each section comprising a 2 respective flange provided with a number of bolt holes and wherein the respective flanges abut when the two sections are in their desired mutual position, and wherein the method comprises the steps; - providing a clamping device for clamping abutting flanges, the clamping device 5 comprising a clamping face, - engaging the inner surface of a bolt hole 12a of the number of bolt holes with the clamping face for clamping the flanges together for maintaining the desired mutual position of the two sections, prior to; - bolting the flanges for joining the two sections in their desired mutual position.
10 The method enables a temporarily coupling of sections such that other handling equipment, like a hoisting crane, is allowed to detach from a section and move on to a next job. In practice, this is highly beneficial because capital handling equipment is not needed anymore during bolting the flanges which is relative time consuming. This method is in particular beneficial in connection with heavy structures wherein sections 15 are coupled by relative large bolts like M42.
It has to be understood that the clamping face is suitable for clamping action based on effect of friction to provide a friction assembly between the clamping face and the inner surface of the bolt hole. This dominant effect of friction of the clamping face contrasts with the functioning of a threaded bolt which is based on form closure.
20 It will be clear that a number, like a pair, of clamping devices for clamping abutting flanges may be provided. These clamping devices are then evenly arranged along the circumference of the abutting flanges.
In an embodiment of the method according to the invention, the two sections are two 25 elongate sections of an upright heavy steel structure, like for example, two tubular elongate sections of an upright windmill structure.
In an embodiment of the method, the clamping face engages the inner surface of a bolt hole of the number of bolt holes of an upper flange of the respective flanges. This is 30 even more beneficial since the clamping device then makes use of the flange and bolt holes already present and designed to take up clamping forces.
3
In an embodiment of the method, the clamping face firstly translates into the bolt hole and then radially moves towards the inner surface of the bolt hole for clamping the flanges together for maintaining the desired mutual position of the two sections. This enables to execute the method even faster.
5
The invention further relates to a clamping device for clamping abutting flanges of two adjacent sections of a structure, the flanges each having a number of bolt holes, the clamping device comprising a clamping face for engaging the inner surface of a bolt hole of the number of bolt holes for clamping the flanges together for maintaining 10 abutment of the flanges.
In an embodiment of the invention, the clamping device comprises; - a stationary part having a leading face for engaging a first flange of the abutting flanges, 15 - an elongate member which extends along a clamping device longitudinal axis and is moveably coupled with the stationary part, the elongate member having a clamping section at its leading end, and wherein the clamping section comprises the clamping face, and wherein the elongate member is moveable along the longitudinal axis between an extended position and a retracted position, in 20 which extended position the clamping section extends in the second flange of the abutting flanges.
In an embodiment of the clamping device according to the invention, the clamping face is radially moveable with respect to the longitudinal axis between an inner position and 25 an outer position, in which outer position the clamping face engages the inner surface of the bolt hole for providing a friction assembly between the clamping face and the inner surface of a bolt hole and clamping the abutting flanges together for maintaining abutment of the flanges. In the inner position, the clamping face engages the inner surface of the bolt hole such that upon driving the elongate member back towards the 30 retracted position, the clamping face grips with the inner surface of the bolt hole to start a self clamping action based on wedging action by a wedge structure which couples the clamping face with the inner surface of the bolt hole. This type of wedge structure is well known per se.
4
In an embodiment of the clamping device according to the invention, the clamping face extends substantially transverse relative to the leading face of the stationary part. This enables a fast introducing of the clamping face within the bore hole.
5
In an embodiment of the invention, the clamping device comprises a hydraulic cylinder coupled with the elongate member for moving the elongate member between the extended position and the retracted position. Any suitable driving member may suffice to move the elongate member. Use of a hydraulic cylinder enables simple 10 feedback by pressure measurement which makes the clamping device and its use more robust.
In an embodiment of the clamping device according to the invention, the line of action of the hydraulic cylinder is aligned with the elongate member.
15
In an embodiment of the clamping device according to the invention, the clamping section comprises a number of clamping faces.
In an embodiment of the clamping device according to the invention, the clamping 20 section comprises a pair of opposite clamping faces.
In an embodiment of the clamping device according to the invention, the clamping face is coupled with the clamping section of the elongate member by a wedge structure in such a way that upon driving the elongate member back towards the retracted position, 25 the clamping face moves radially towards its outer position for engaging the inner surface of the bolt hole for clamping the abutting flanges together for maintaining abutment of the flanges.
The invention further relates to a device comprising one or more of the characterising 30 features described in the description and/or shown in the attached drawings.
The invention further relates to a method comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
5
The various aspects discussed in this patent can be combined in order to provide additional advantages.
5 Description of the drawings
The invention will be further elucidated referring to a preferred embodiment shown in the drawings wherein shown in:
Fig. 1-3 in perspective view a clamping device according to the invention during 10 successive steps of the method according to the invention.
Detailed description of embodiments
In the figures 1-3 a clamping device 1 according to the invention is shown during 15 successive steps of the method according to the invention.
The clamping device 1 is suitable for clamping abutting flanges 9, 10 of two adjacent sections 7, 8 of a structure. These sections may be for example tubular sections of a windmill structure. It will be clear that the invention is not limited to tubular sections, 20 other sections like rectangular are possible. Such a section 7, 8 normally has a thin walled portion 20, 21 firmly coupled to the flange 9,10. When the sections 7, 8 are coupled together, the flanges 9, 10 abut at their respective abutting faces 23, 24 in a well known manner. The flanges 9, 10 each have a number of bolt holes 11, 12 for receiving bolts (not shown). When the sections 7, 8 are coupled together these pair of 25 number of bolt holes 11, 12 align for coupling the sections 7, 8 together.
The clamping device 1 comprises a stationary part 19. The stationary part 19 has stationary part flange 18 having a leading face 14 for engaging a first flange 9 of the abutting flanges. In the figures, the first flange 9 is the lower flange. In use, the leading 30 face 14 abuts the first flange 9 at the side 15 of the flange facing away from the second flange 10 opposite the first flange 9. The stationary part 19 has mounting means 16, 17, 26, 27 for coupling the clamping device 1 with the first flange 9. Here, the mounting 6 means is an ordinary bolt 16, 17 in a respective leading face bolt hole 26, 27. Any suitable means for coupling the clamping device 1 with the first flange 9 will suffice.
The clamping device 1 comprises an elongate member 5 which extends along a clamping device longitudinal axis 6. The elongate member 5 is moveably coupled with 5 the stationary part 19 in a known manner. The elongate member 5 is moveable along the clamping device longitudinal axis 6 between a retracted position shown in fig 1,2 and an extended position shown in fig. 3. The clamping device 1 comprises a hydraulic cylinder (not shown) which is coupled with the elongate member 5 for moving the elongate member 5 between the extended position and the retracted position. The 10 hydraulic cylinder is accommodated within the stationary part housing portion 28. The line of action of the hydraulic cylinder is aligned with the longitudinal axis of the elongate member 5.
The clamping device 1 comprises a clamping section 2 for clamping engagement 15 with the inner surface 13 of a bolt hole 12a. Clamping engagement here means that the engagement is based on effect of friction and a friction assembly is provided between the clamping section 2 and the bore hole 12a. The clamping section 2 is provided at the leading end of the elongate member which end is faced towards the second flange 10, here the upper flange 10. In the extended position of the elongate member 5, the 20 clamping section 2 extends in the second, that is here upper, flange 10 of the abutting flanges 9, 10.
Here, the clamping section 2 has two opposite clamping shoes 3. The clamping shoes 3 are radially moveable between an inner position and an outer position relative to the clamping device longitudinal axis 6. Both clamping shoes 3 are provided with a 25 clamping face 4 for clamping engagement with the inner surface 13 of a bolt hole 12a. The clamping face 4 engages the inner surface 13 of a bolt hole 12a when the clamping shoe is in its outer position. Thus, each clamping shoe 3, with its respective clamping face 4, is moveable between an inner position and an outer position, in which outer position the clamping face 4 engages the inner surface of the bolt hole for clamping the 30 abutting flanges together for maintaining abutment of the flanges 9, 10. In the outer position the clamping face 4 provides a friction assembly between the clamping face 4 and the inner surface 13 of a bolt hole 12a. By this friction assembly, the clamping device 1 clamps the abutting flanges 9, 10 together for maintaining abutment of the 7 flanges. In the inner position, the clamping face 4 engages the inner surface 13 of the bolt hole 12a such that upon driving the elongate member 5 from the extended position in fig. 3 back towards the retracted position shown in fig. 1 and 2, the clamping face 4 grips with the inner surface 13 of the bolt hole 12a to start a self clamping action based 5 on wedging action by a wedge structure (not shown) which couples the clamping face 4 with the inner surface 13 of the bolt hole 12a. These types of wedge structures are well known per se.
In effect the clamping device 1 clamps the flanges 9, 10 between the stationary part flange 18 and the clamping faces 4 of the clamping section 2. The clamping faces 4 10 extends substantially transverse relative to the stationary part flange 18.
The clamping section 2 and the elongate member 5 have an outer circumference such that the clamping section 2 and the elongate member 5 can be introduced in a bolt hole 11a, 12a having a relative large diameter like for a M42 type of bolt. It will be clear that the clamping section 2 and the elongate member 5 may have different outer 15 circumferences.
The clamping shoe 3, here shoes 3, and its clamping face 4 is coupled with the clamping section 2 of the elongate member in such a way that upon moving the elongate member 5 back towards the retracted position, the clamping face 4 moves 20 towards its outer position for engaging the inner surface 13 of the bolt hole 12a for clamping the abutting flanges 9, 10 together for maintaining abutment of these flanges.
In use, the clamping device 1 temporarily couples two sections 7, 8 of a structure 22 in their desired mutual position. The clamping device 1 is coupled with a first flange 9 by 25 mounting means, here screws 16, 17. When the clamping device 1 is coupled with the first flange 9, the leading face 14 of the stationary part flange 18 abuts the first flange 9 as shown in fig. 1. Sections 7, 8 are then manoeuvred in their desired position, see fig 2, in which the flanges 9, 10 abut. Subsequently, the elongate member 5 is translated into its extended position wherein the clamping section 2 extends in the bolt hole 12a of 30 the, here upper, flange 10 opposite the first flange 9, see fig. 3. Then, upon driving the elongate member 5 back towards its retracted position, the clamping faces 4 engage the inner surface 13 of the bolt hole 12a which forces the clamping face 4 towards its outer position. Consequently, an effect of friction is instantly build up which provides a 8 friction assembly between the clamping section 2 and the flange 10, see fig. 3. The clamping device 1 now couples the abutting flanges 9, 10 together for maintaining the desired mutual position of the two sections 7, 8. Finally, the flanges 9, 10 are bolted together for joining the two sections 7, 8 in their desired mutual position, where after 5 the clamping device 1 can safely be removed.
It will also be obvious after the above description and drawings are included to illustrate some embodiments of the invention, and not to limit the scope of protection. Starting from this disclosure, many more embodiments will be evident to a skilled 10 person which are within the scope of protection and the essence of this invention and which are obvious combinations of prior art techniques and the disclosure of this patent.

Claims (14)

1. Werkwijze voor het koppelen van twee secties (7, 8) van een constructie in hun gewenste onderlinge positie, waarbij elke sectie een respectieve flens (9, 10) 5 omvat voorzien van een aantal boutgaten (11, 12), en waarin de respectieve flenzen aan elkaar grenzen wanneer de twee secties in hun gewenste onderlinge positie zijn, en waarbij de werkwijze de stappen omvat; - verschaffen van een kleminrichting (1) voor het klemmen van aangrenzende flenzen, waarbij de kleminrichting een klemvlak (4) omvat, 10. met het klemvlak (4) aangrijpen op het binnenoppervlak (13) van een boutgat (12a) van het aantal boutgaten voor het samenklemmen van de flenzen voor het behouden van de gewenste onderlinge positie van de twee secties, voorafgaand aan; - vastbouten van de flenzen voor het samenvoegen van de twee secties in hun 15 gewenste onderlinge positie.Method for joining two sections (7, 8) of a structure in their desired mutual position, wherein each section comprises a respective flange (9, 10) provided with a number of bolt holes (11, 12), and wherein the respective flanges are adjacent to each other when the two sections are in their desired mutual position, and wherein the method comprises the steps; - providing a clamping device (1) for clamping adjacent flanges, the clamping device comprising a clamping surface (4), with the clamping surface (4) engaging the inner surface (13) of a bolt hole (12a) of the number of bolt holes for clamping the flanges together to maintain the desired mutual position of the two sections prior to; - bolting the flanges for joining the two sections into their desired mutual position. 2. Werkwijze volgens conclusie 1, waarbij de twee secties twee langwerpige secties zijn van een rechtopstaande zware stalen constructie.The method of claim 1, wherein the two sections are two elongated sections of an upright heavy steel structure. 3. Werkwijze volgens conclusie 2, waarbij de twee secties twee buisvormige langwerpige secties zijn van een rechtopstaande windmolen constructie.The method of claim 2, wherein the two sections are two tubular elongated sections of an upright windmill structure. 4. Werkwijze volgens een voorgaande conclusie, waarbij het klemvlak aangrijpt op het binnenoppervlak van een boutgat van het aantal boutgaten van een 25 bovenste flens (10) van de respectieve flenzen (9, 10).4. Method according to a preceding claim, wherein the clamping surface engages the inner surface of a bolt hole of the number of bolt holes of an upper flange (10) of the respective flanges (9, 10). 5. Werkwijze volgens een voorgaande conclusie, waarbij het klemvlak (4) ten eerste transleert in het boutgat (12a) en vervolgens radiaal naar het binnenoppervlak (13) van het boutgat (12a) beweegt voor het samenklemmen 30 van de flensen voor het in stand houden van de gewenste onderlinge positie van de twee secties.The method of any preceding claim, wherein the clamping surface (4) first translates into the bolt hole (12a) and then moves radially to the inner surface (13) of the bolt hole (12a) for clamping the flanges together for position maintaining the desired mutual position of the two sections. 6. Kleminrichting (1) voor het klemmen van aangrenzende flenzen (9, 10) van twee naastgelegen secties (7, 8) van een constructie, waarbij de flenzen elk een aantal boutgaten (11, 12) hebben, waarbij de kleminrichting een klemvlak (4) omvat voor het aangrijpen van het binnenoppervlak (13) van een boutgat (12a) 5 van het aantal boutgaten voor het samenklemmen van de flenzen voor het behouden van aangrenzing van de flenzen.Clamping device (1) for clamping adjacent flanges (9, 10) of two adjacent sections (7, 8) of a structure, the flanges each having a number of bolt holes (11, 12), the clamping device having a clamping surface ( 4) for engaging the inner surface (13) of a bolt hole (12a) comprising 5 of the plurality of bolt holes for clamping the flanges together to retain flange engagement. 7. Kleminrichting volgens conclusie 6, omvattend; - een stationaire deel (19) welk een voorste vlak (14) heeft voor het 10 aangrijpen van een eerste flens (9) van de aangrenzende flenzen, - een langwerpig orgaan (5) die zich uitstrekt langs een longitudinale as (6) van de kleminrichting en beweegbaar is verbonden met het stationaire deel, waarbij het langwerpig orgaan bij zijn vooreinde een klemsectie (2) heeft, en waarbij de klemsectie het klemvlak (4) omvat, 15 en waarbij het langwerpig orgaan beweegbaar is langs de longitudinale as (6) tussen een uitgeschoven positie en een teruggetrokken positie, in welke uitgeschoven positie de klemsectie zich uitstrekt in de tweede flens van de aangrenzende flenzen.The clamping device of claim 6, comprising; - a stationary part (19) which has a front surface (14) for engaging a first flange (9) of the adjacent flanges, - an elongate member (5) extending along a longitudinal axis (6) of the clamping device and movably connected to the stationary part, wherein the elongate member has a clamping section (2) at its front end, and wherein the clamping section comprises the clamping surface (4), and wherein the elongated member is movable along the longitudinal axis (6) between an extended position and a retracted position, in which extended position the clamping section extends into the second flange of the adjacent flanges. 8. Kleminrichting volgens een voorgaande conclusie 6 of 7, waarbij het klemvlak (4) radiaal beweegbaar is met betrekking tot de longitudinale as (6) tussen een binnenpositie en een buitenpositie, in welke buitenpositie het klemvlak aangrijpt op het binnenoppervlak van het boutgat voor het verschaffen van een wrijvingsverbinding tussen het klemvlak en het binnenoppervlak (13) van een 25 boutgat (12a) en het samenklemmen van de aangrenzende flenzen voor het behoud van aangrenzing van de flenzen.A clamping device according to any preceding claim 6 or 7, wherein the clamping surface (4) is movable radially with respect to the longitudinal axis (6) between an inner position and an outer position, in which outer position the clamping surface engages the inner surface of the bolt hole for the providing a frictional connection between the clamping surface and the inner surface (13) of a bolt hole (12a) and clamping the adjacent flanges together to maintain flange engagement. 9. Kleminrichting volgens een voorgaande conclusie 7-8, waarbij het klemvlak (4) zich in hoofdzaak dwars uitstrekt ten opzichte van het voorste vlak (14) van het 30 stationaire deel (19).9. Clamping device according to a preceding claim 7-8, wherein the clamping surface (4) extends substantially transversely with respect to the front surface (14) of the stationary part (19). 10. Kleminrichting volgens een voorgaande conclusie 7-9, omvattend een hydraulische cilinder gekoppeld met het langwerpig orgaan voor het bewegen van het langwerpig orgaan tussen de uitgeschoven positie en de teruggetrokken positie.10. Clamping device as claimed in any of the foregoing claims 7-9, comprising a hydraulic cylinder coupled to the elongate member for moving the elongated member between the extended position and the retracted position. 11. Kleminrichting volgens conclusie 10, waarbij de werklijn van de hydraulische 5 cilinder is uitgelijnd met het langwerpig orgaan.11. Clamping device as claimed in claim 10, wherein the working line of the hydraulic cylinder is aligned with the elongate member. 12. Kleminrichting volgens een voorgaande conclusie 7-11, waarbij de klemsectie een aantal klemvlakken (4) omvat.A clamping device according to a preceding claim 7-11, wherein the clamping section comprises a number of clamping surfaces (4). 13. Kleminrichting volgens conclusie 12, waarbij de klemsectie een paar tegenovergestelde klemvlakken (4) omvat.Clamping device according to claim 12, wherein the clamping section comprises a pair of opposite clamping surfaces (4). 14. Kleminrichting volgens een voorgaande conclusie 7-13, waarbij het klemvlak (4) is verbonden met de klemsectie (2) van het langwerpig orgaan door een 15 wigconstructie zodanig dat bij voortbewegen van het langwerpig orgaan terug naar de teruggetrokken positie, het klemvlak radiaal naar haar buitenpositie beweegt voor het aangrijpen van het binnenoppervlak van het boutgat voor het samenklemmen van de aangrenzende flenzen voor het behoud van aangrenzing van de flenzen. 20 -o-o-o-o-o-o-14. Clamping device according to a preceding claim 7-13, wherein the clamping surface (4) is connected to the clamping section (2) of the elongated member by a wedge construction such that when the elongated member is moved back to the retracted position, the clamping surface is radially moves to its outer position for engaging the inner surface of the bolt hole for clamping the adjacent flanges to maintain flange engagement. 20 -o-o-o-o-o- o-
NL2008493A 2012-03-15 2012-03-15 Flange locking device. NL2008493C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL2008493A NL2008493C2 (en) 2012-03-15 2012-03-15 Flange locking device.
PCT/NL2013/050182 WO2013137734A1 (en) 2012-03-15 2013-03-14 FLANGE LOCKING device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2008493 2012-03-15
NL2008493A NL2008493C2 (en) 2012-03-15 2012-03-15 Flange locking device.

Publications (1)

Publication Number Publication Date
NL2008493C2 true NL2008493C2 (en) 2013-09-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
NL2008493A NL2008493C2 (en) 2012-03-15 2012-03-15 Flange locking device.

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NL (1) NL2008493C2 (en)
WO (1) WO2013137734A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333141A1 (en) * 1983-09-14 1985-05-02 Georg 5810 Witten Simon QUICK RELEASE
US20030108398A1 (en) * 2001-12-11 2003-06-12 Sathianathan Sivasubramanium K. Bolt Assembly
EP2192245A1 (en) * 2008-11-27 2010-06-02 Vestas Wind Systems A/S Tower for a wind turbine and a method for assembling the tower
US20100307097A1 (en) * 2009-06-09 2010-12-09 Word Iii Thomas Nott Structural flange connection system and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010000868U1 (en) 2009-07-20 2010-12-02 Wader-Wittis Gmbh Device for transporting and assembling wind turbines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333141A1 (en) * 1983-09-14 1985-05-02 Georg 5810 Witten Simon QUICK RELEASE
US20030108398A1 (en) * 2001-12-11 2003-06-12 Sathianathan Sivasubramanium K. Bolt Assembly
EP2192245A1 (en) * 2008-11-27 2010-06-02 Vestas Wind Systems A/S Tower for a wind turbine and a method for assembling the tower
US20100307097A1 (en) * 2009-06-09 2010-12-09 Word Iii Thomas Nott Structural flange connection system and method

Also Published As

Publication number Publication date
WO2013137734A1 (en) 2013-09-19

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