EP3255227B1 - Construction d'aide au montage et procédé de changement d'un élément de structure porteuse - Google Patents

Construction d'aide au montage et procédé de changement d'un élément de structure porteuse Download PDF

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Publication number
EP3255227B1
EP3255227B1 EP17174201.8A EP17174201A EP3255227B1 EP 3255227 B1 EP3255227 B1 EP 3255227B1 EP 17174201 A EP17174201 A EP 17174201A EP 3255227 B1 EP3255227 B1 EP 3255227B1
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EP
European Patent Office
Prior art keywords
auxiliary assembly
assembly structure
load
auxiliary
mast
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.)
Active
Application number
EP17174201.8A
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German (de)
English (en)
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EP3255227A1 (fr
Inventor
Jens Laschke
René Stöckhardt
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.)
LTB Leitungsbau GmbH
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LTB Leitungsbau GmbH
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Publication date
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Publication of EP3255227A1 publication Critical patent/EP3255227A1/fr
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Publication of EP3255227B1 publication Critical patent/EP3255227B1/fr
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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
    • E04H12/10—Truss-like structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • 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

Definitions

  • the invention relates to a mounting auxiliary construction for a multi-component support structure for the creation of freedom from load on a particular support structure element.
  • the creation of load-freedom on an element serves, for example, to replace or revise this.
  • the invention further relates to a method for replacing a support structure element.
  • components of the mast for example, its corner handles to replace and renew as a result of changing loads or damage.
  • a method and apparatus for lifting a transmission tower is described. The goal is to increase the overhead lines to ensure a greater distance from the ground and thus avoid malfunction and to endanger man and nature less.
  • a lifting device increases the mast which is separated from its mast base and is in operation, so that the mounting of a prepared mast part results in the entire mast being longer and the overhead lines correspondingly increased.
  • the lifting device is constructed around the mast, so that still a significant additional area is claimed by the lifting device and a separate foundation is necessary.
  • the lifting device which in the DE 198 10 521 A1 discloses a mounting tower and a lifting frame.
  • the upper section of the Mast is raised with the help of the vertically movable lifting frame, so that work can be carried out on the lower section of the mast.
  • a device which consists of a central mast and a lifting device and which allows replacement of components of the overhead line mast during operation.
  • the cross section of the central mast is square and the foundation is also located within the overhead mast.
  • a method for replacing a damaged area of a steel transmission tower and a suitable device for replacement is in the JP 2001268758 A described.
  • a lifting device is used to compensate for tensile or compressive forces.
  • JP 2014-117130 A describes a support structure and a method which is used to relieve a mast from an upper portion of a mast. As a result, a material examination can be carried out on the mast element.
  • the auxiliary structure is mounted above and below the spanned and relieved mast element on the mast by means of a clamping device. By means of a lifting device, such as a Spindelhubgetriebe, the auxiliary structure can be adjusted so that a power dissipation through the auxiliary construction is made possible.
  • JP 2009215801 A discloses a method of repairing in part a part of a mast.
  • a repair device is fastened by means of a welded connection to the mast.
  • About lifting devices load freedom on the mast can be made, which allows the repair work.
  • the object of the invention is therefore to provide a more cost-effective, safer and structurally simpler alternative that allows the exchange of elements of the support structure, such as main structural members and in particular corner posts.
  • the object of the invention is achieved in particular by a mounting auxiliary construction, which creates load-free freedom on a central component support structure to be replaced on a multi-component supporting structure.
  • the auxiliary installation construction comprises at least one An assembly support construction element and a lifting gear, wherein the auxiliary assembly construction element and the lifting gear are connected to each other in series and load transfer. Furthermore, the auxiliary assembly construction is designed such that it can span the central support structure element of the support structure and can be connected in a load-transmitting manner to the adjacent support construction elements.
  • a multi-component support structure according to the invention is, for example, a high-voltage mast, a telephone pole or other truss structure of several elements.
  • a support structure element is an element of such a support structure, which also derives load, so is statically relevant.
  • auxiliary assembly construction for the replacement of supporting structural elements, such as corner posts of support poles, so that specifically from above or below acting load, ie the force acting from above or below pressure or tensile force meant.
  • load-free means that the forces acting on a component cancel out or the sum of the forces is at least reduced so much that the support structure element can be removed under suitable external circumstances without thereby appreciably altering the statics of the mast .
  • Unsuitable external circumstances are, for example, hurricane wind, which leads to unacceptable loads within the supporting structure.
  • the auxiliary assembly construction In order to be able to remove the element or the component for an application for the removal of an element of the support structure, the auxiliary assembly construction must accordingly create a counterforce, which leads to a load freedom of the support structure element to be removed.
  • the replaced supporting structure element whose load freedom is to be achieved, is the over-stretchable by the auxiliary assembly construction component and is therefore as a central support structure element between two other elements of the support structure.
  • the auxiliary assembly construction is connected on both sides of this central support structure element with the support structure.
  • the mast consists of a lower mast section, which also includes the foundation, an overhead spanned mast section including the center support structure element and an upper mast section above.
  • the mounting auxiliary construction can then be connected to the mast at the lower and upper mast sections.
  • a central support structure to be replaced can in particular also be a corner post positioned near the foundation from a lower mast section of a support mast.
  • the auxiliary assembly is attached to the underlying foundation, or to the mast base and the mast above.
  • a mast shot refers to a section of a mast. This section of the mast is often pre-assembled to avoid lengthy, weather-dependent work at high altitude.
  • the auxiliary assembly construction comprises at least one assembly auxiliary construction element and at least one lifting gear. These two components must be connected in the direction of action serial and load transferring.
  • the auxiliary assembly construction element for example a mounting corner post, and the screw jack are arranged one behind the other in such a way that the screw jack acts on the auxiliary assembly construction element in the direction of the axis of the auxiliary assembly construction element and thus the connection Assembly auxiliary construction element and screw jack by the extension and retraction of the lifting gear is designed to be variable in length.
  • a direction of action of the lifting gear with at least vertical portion is suitable.
  • An auxiliary assembly construction which causes a counterforce acting along the direction of force, can take over the load of the support structure element.
  • Load-transmitting in the context of the invention is a connection between two components, if one of the two components load can be transferred to the second component, so the load can be derived from the one to the second component.
  • Hubgetriebe in the context of the invention are all transmissions that produce a hub.
  • mechanical lifting gear such as the execution as a screw jack, which allow a very fine adjustment and which can absorb both tensile and compressive forces are suitable.
  • the gearboxes can be designed pneumatically or hydraulically.
  • a control and regulating unit is provided which adjusts the lifting gear automatically, whereby the load freedom can be automated.
  • the assembly aid construction like a corset around the mast, is attached directly to it, so that the auxiliary installation construction does not require its own foundation.
  • the auxiliary assembly construction spans an element of the supporting structure whose load freedom is to be achieved in the direction of the acting force or the load.
  • the auxiliary mounting structure is attached to the mast in such a way that a load acting on the support structure to be replaced is discharged or intercepted.
  • auxiliary assembly construction can be reused and the montage technical preparation effort is low. Furthermore, due to the small dimensions of the auxiliary assembly construction, the requirement for the size of the storage conditions for the provision of the elements of the auxiliary assembly construction is small. Since the auxiliary assembly construction is low in both size and cost, it is possible to use a plurality of auxiliary assembly structures in multiple locations simultaneously. This leads to a strong construction time reduction.
  • the mounting principle is universally applicable to different voltage levels and different mast series. Accordingly, the method is independently applicable. After a briefing or a trial assembly, the assembly aid construction can be used and used by a person skilled in the art with assembly training without additional expert knowledge.
  • An advantage of the invention is further that no separate foundation is needed, but the existing mast foundation can be used. Additional subsoil investigations can be avoided.
  • the auxiliary assembly construction element and the lifting gear are formed integrally as one element.
  • the mounting auxiliary construction can advantageously comprise a screw jack, a ball screw or a rack gear as a screw jack.
  • lifting gear which are driven pneumatically or hydraulically, are suitable for the auxiliary assembly construction.
  • the auxiliary assembly construction can be used to span a plurality of supporting structure elements simultaneously.
  • a plurality of screw drives are preferably arranged within the auxiliary assembly construction.
  • the mounting auxiliary construction is in particular designed so that a shot of an overhead line mast can be spanned as a supporting structure by the auxiliary assembly construction.
  • the Montage embryoskonstrutation Montageeckstiele an upper console frame, a lower console frame and a horizontal frame with horizontal bandage and each at one end of the Montageeckstieles a lifting gear on.
  • the screw jack of the auxiliary installation construction can in particular generate and absorb tensile and compressive forces.
  • the mounting auxiliary construction is designed in such a way that the lifting gear has a force sensor and that a control and regulating device for load-dependent control and regulation of the lifting gear are provided to create the no-load. Such automation can lead to a further increase in efficiency in the application of the mounting auxiliary construction.
  • the method for replacing a supporting structural element by means of a mounting auxiliary construction comprises the following steps. It is a mounting auxiliary construction attached to the support structure, wherein the support structure to be replaced is spanned. Subsequently, the screw jack is such a retracted or extended that the load to be replaced is replaced on the support structure element to be replaced. Then, the support structure element is removed, whereupon the new support structure element is installed. Finally, the lifting gear is retracted or extended to load the newly installed support structure element. Finally, the assembly aid construction is dismantled again.
  • the method described above can be used in particular for the replacement of corner posts on transmission towers.
  • the mounting auxiliary construction is thereby mounted on the overhead line mast that the relevant shot of the overhead line mast is covered with the replaced Eckstiel. Because the whole shot in which the Corner handle is installed, is spanned, of course, also the corner handle is spanned.
  • the lifting gear of the assembly auxiliary construction are then adjusted so that the Eckstiel to be replaced is free of load. Then the load-free corner handle is removed and replaced by a new corner handle. Subsequently, the auxiliary assembly construction is relieved, wherein the screw jack are adjusted again so that the load is no longer derived via the auxiliary assembly construction, but on the new corner post. Finally, the auxiliary assembly construction is dismantled from the overhead line mast.
  • An outstanding advantage of the method according to the invention is the possibility of carrying out a Eckst interest exchange even in the operating state of the overhead line, so under tension. For the maintenance and repair work no shutdown of the lines is required.
  • the screw jack are controlled by a control and regulating device such that the support structure to be replaced is automatically kept free of load.
  • auxiliary assembly construction 1 is shown, which is attached to an overhead tower 3 to existing fixing holes 5.
  • fixing openings 5 can be introduced into the overhead line mast 3 at a suitable position and corresponding to the fastening means of the auxiliary assembly structure 1.
  • the assembly auxiliary construction 1 spans a shot 16 of the transmission tower 3 completely.
  • the mounting auxiliary structure 1 is attached to the overlying shot 15 and the underlying shot 17 load-bearing.
  • the transmission tower 3 is generally constructed like a truss of rods 14. These bars 14 may in particular also be corner handles 2.1, 2.2, 2.3 of the individual shots 15, 16, 17.
  • the Eckstiel Panel can be performed at the central corner post 2.2 from the spanned by the auxiliary mounting structure 1 shot 16.
  • the central corner stem 2.2 to be exchanged is connected directly or indirectly to the upper corner stem 2.1 on one side and directly or indirectly to the lower corner stem 2.3 on the other side.
  • the load which was originally derived by the Eckstiel 2.2 to be replaced, derived from the upper shot 15 on the mounting auxiliary structure 1 on the lower weft 17.
  • the overhead power pole 3 spanning mounting auxiliary structure 1 is constructed of several assembly auxiliary construction elements 6 itself truss-like and has, not shown, functionally lifting gear on.
  • FIG. 2 a more detailed side view of a mounting auxiliary structure 1 is shown.
  • the mounting auxiliary structure 1 consists of mounting auxiliary construction elements 6, which also include mounting corner handles, which are connected to each other via box brackets 10 and an attached upper console frame 7.
  • a lower connection of the Montageeckstiele is also given a horizontal frame with horizontal bandage 9, which gives the auxiliary assembly construction 1 additional stability.
  • the lower end of the mounting corner handles is in each case connected to a lifting gear 4, which achieves the necessary length adjustment and performs the work to create the no-load on the corner posts 2 of the overhead line mast 3.
  • the mounting auxiliary construction 1 comprises four assembly auxiliary construction elements 6 and four lifting gear 4, wherein in the side view only two are shown.
  • the lifting gear 4 are installed between the assembly auxiliary construction elements 6 and further box brackets 10.
  • a lower console frame. 8 appropriate.
  • the stability of the auxiliary assembly construction 1 is additionally achieved by a truss-like infill.
  • the infill shown here consists of assembly aid construction elements 6 for the vertical infill 11 and the auxiliary installation construction elements 6 of the horizontal interlocking lattice framework 12.
  • the auxiliary installation construction elements 6, the horizontal frame 9 and the individual installation auxiliary construction elements 6 of the infill 11, 12 are only partially illustrated by means of gusset plates 13 , connected.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electric Cable Installation (AREA)

Claims (11)

  1. Structure auxiliaire de montage (1) pour une structure porteuse multicomposant (3) visant à générer une absence de contrainte sur un élément à remplacer de la structure porteuse (2.2), la structure auxiliaire de montage (1) comprenant au moins un élément de structure auxiliaire de montage (6) et un mécanisme de levage (4), l'élément de structure auxiliaire de montage (6) et le mécanisme de levage (4) étant reliés entre eux de série et de manière à transmettre les charges et la structure auxiliaire de montage (1) étant conçue pour enjamber l'élément à remplacer (2.2) de la structure porteuse (3) et pour être reliée aux éléments adjacents de la structure porteuse (2.1, 2.3) de manière à transmettre les charges, caractérisée en ce que le mécanisme de levage (4) dispose d'une capteur de force et d'un dispositif de commande et de régulation en fonction de la charge pour au moins un mécanisme de levage (4) visant à générer une absence de contrainte.
  2. Structure auxiliaire de montage (1) selon la revendication 1, caractérisée en ce que l'élément de la structure auxiliaire de montage (6) et le mécanisme de levage (4) sont conçus comme un élément monobloc.
  3. Structure auxiliaire de montage (1) selon la revendication 1 ou 2, caractérisée en ce que la structure auxiliaire de montage (1), en tant que mécanisme de levage (4), comprend un vérin à vis (4).
  4. Structure auxiliaire de montage (1) selon la revendication 1 ou 2, caractérisée en ce que la structure auxiliaire de montage (1), en tant que mécanisme de levage (4), comprend un dispositif à crémaillère ou une vis à billes.
  5. Structure auxiliaire de montage (1) selon l'une des revendications 1 à 4, caractérisée en ce que la structure auxiliaire de montage (1), en tant que mécanisme de levage (4), comprend un mécanisme de levage à entraînement pneumatique ou hydraulique (4).
  6. Structure auxiliaire de montage (1) selon l'une des revendications 1 à 5, caractérisée en ce que la structure auxiliaire de montage (1) peut enjamber simultanément plusieurs éléments de la structure porteuse (2.2), plusieurs mécanismes de levage (4) étant intégrés dans la structure auxiliaire de montage (1).
  7. Structure auxiliaire de montage (1) selon l'une des revendications 1 à 6, caractérisée en ce que la structure auxiliaire de montage (1) peut enjamber un tronçon (16) d'un pylône (3) en tant que structure porteuse (3).
  8. Structure auxiliaire de montage (1) selon la revendication 7, caractérisée en ce que la structure auxiliaire de montage (1) comprend les éléments de structure auxiliaire de montage (6) d'un cadre de console supérieur (7), d'un cadre de console inférieur (8) et d'un cadre horizontal avec assemblage horizontal (9) ainsi que, à une extrémité de l'élément de la structure auxiliaire de montage (6), un mécanisme de levage (4).
  9. Structure auxiliaire de montage (1) selon l'une des revendications 1 à 8, caractérisée en ce que le mécanisme de levage (4) est conçu pour générer et absorber les forces de traction et de compression.
  10. Procédé pour le remplacement d'un élément de structure porteuse (2.2) à l'aide d'une structure auxiliaire de montage (1) selon l'une des revendications ci-avant et comprenant les étapes suivantes :
    - Installation de la structure auxiliaire de montage (1) de manière à enjamber l'élément à remplacer de la structure porteuse (2.2) ;
    - Sortie ou rentrée du mécanisme de levage (4) de manière à générer une absence de contrainte sur l'élément à remplacer de la structure porteuse (2.2), le mécanisme de levage (4) étant réglé, à l'aide du dispositif de commande et de régulation, de telle sorte que l'élément à remplacer de la structure porteuse (2.2) ne subit aucune contrainte ;
    - Dépose de l'élément à remplacer de la structure porteuse (2.2) libre de toute contrainte ;
    - Pose d'un nouvel élément de structure porteuse (2.2) ;
    - Rentrée ou sortie du mécanisme de levage (4) de manière à appliquer des contraintes sur le nouvel élément de la structure porteuse (2.2) ; et
    - Démontage de la structure auxiliaire de montage (1).
  11. Procédé selon la revendication 10
    caractérisé en ce que
    - une structure auxiliaire de montage (1), en vue du remplacement de poteaux d'angle (2.2) du tronçon concerné d'un pylône (3), est installée de manière à enjamber le pylône (3) ;
    - la structure auxiliaire de montage (1), au moyen d'un mécanisme de levage (4), est réglée de manière à ce que le poteau d'angle à remplacer (2.2) ne subisse aucune contrainte ;
    - le poteau d'angle ne subissant aucune contrainte (2.2) est alors déposé et remplacé par un nouveau poteau d'angle ;
    - la structure auxiliaire de montage (1) est enfin déchargée et
    - la structure auxiliaire de montage (1) est démontée du pylône (3).
EP17174201.8A 2016-06-10 2017-06-02 Construction d'aide au montage et procédé de changement d'un élément de structure porteuse Active EP3255227B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016110698.4A DE102016110698A1 (de) 2016-06-10 2016-06-10 Montagehilfskonstruktion und Verfahren zum Auswechseln eines Tragkonstruktionselements

Publications (2)

Publication Number Publication Date
EP3255227A1 EP3255227A1 (fr) 2017-12-13
EP3255227B1 true EP3255227B1 (fr) 2019-08-28

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EP17174201.8A Active EP3255227B1 (fr) 2016-06-10 2017-06-02 Construction d'aide au montage et procédé de changement d'un élément de structure porteuse

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DE (1) DE102016110698A1 (fr)

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN116950489A (zh) * 2023-06-29 2023-10-27 国网青海省电力公司海西供电公司 输电铁塔复合材料加固工艺

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DE4301467A1 (de) 1993-01-21 1994-07-28 Abb Patent Gmbh Verfahren und Vorrichtung zum Verlängern eines im Betrieb befindlichen Freileitungsmastes
JP3091145B2 (ja) * 1996-11-26 2000-09-25 東京電力株式会社 鋼管鉄塔の主柱材取替え工法
DE19810521A1 (de) 1998-03-11 1999-09-16 Abb Patent Gmbh Vorrichtung zum Erhöhen eines Freileitungsmastes
JP2001268758A (ja) * 2000-03-23 2001-09-28 Chikahiro Morikama 送電鉄塔損傷部材の取替工法とその取替工具
DE10117399A1 (de) 2001-04-06 2002-10-10 Abb Patent Gmbh Verfahren und Vorrichtung zum Erhöhen von Masten
DE102006022345A1 (de) * 2006-05-12 2007-11-15 Thales Broadcast & Multimedia Gmbh Gerüstvorrichtung, Fachwerkmast mit einer solchen Gerüstvorrichtung und Verfahren zur Sanierung von abgespannten Fachwerkmasten mittels einer solchen Gerüstvorrichtung
JP5072661B2 (ja) * 2008-03-11 2012-11-14 関西電力株式会社 既設中空鋼管鉄塔主柱材の部分補修工法
JP6004373B2 (ja) * 2012-12-07 2016-10-05 株式会社デンロコーポレーション 主柱材内面調査の補助装置および補助装置を用いた調査方法
JP5980740B2 (ja) * 2013-07-31 2016-08-31 東北電力株式会社 鉄塔の嵩上げ方法および装置並びに建設方法および装置
JP6467202B2 (ja) * 2014-11-21 2019-02-06 株式会社九建 鉄塔の主柱材取替工法

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EP3255227A1 (fr) 2017-12-13

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