EP2455563B1 - Procédé destiné au montage frontal d'un embout sur un étai - Google Patents

Procédé destiné au montage frontal d'un embout sur un étai Download PDF

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Publication number
EP2455563B1
EP2455563B1 EP11186494.8A EP11186494A EP2455563B1 EP 2455563 B1 EP2455563 B1 EP 2455563B1 EP 11186494 A EP11186494 A EP 11186494A EP 2455563 B1 EP2455563 B1 EP 2455563B1
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EP
European Patent Office
Prior art keywords
tube
inner tube
prop
headpiece
designed
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
EP11186494.8A
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German (de)
English (en)
Other versions
EP2455563A2 (fr
EP2455563A3 (fr
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.)
Huennebeck Deutschland GmbH
Original Assignee
Huennebeck GmbH
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 Huennebeck GmbH filed Critical Huennebeck GmbH
Publication of EP2455563A2 publication Critical patent/EP2455563A2/fr
Publication of EP2455563A3 publication Critical patent/EP2455563A3/fr
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Publication of EP2455563B1 publication Critical patent/EP2455563B1/fr
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Classifications

    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/483—Supporting heads
    • 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
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • 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
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • 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
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/065—Shores or struts; Chocks telescopic with parts held together by positive means by a threaded nut

Definitions

  • the invention relates to a method for frontally placing a headrest on a prop.
  • Brackets or vertical tubes are used for setting up slab formwork, shoring or scaffolding.
  • Vertical tubes are z.
  • As for formwork as scaffolding tube as part of a so-called modular scaffolding (spatial structure) or as part of a vertical frame used in facade scaffolding. Regardless of the purpose, these can be height adjustable.
  • the props must occupy a predetermined defined height.
  • the telescopic vertical tubes on an outer tube and an inner tube which is displaceable and fixable for length and height adjustment in the outer tube and thus telescopic.
  • This height adjustment can be done by moving the inner tube in stages or continuously, for example by inserted in through holes pin or thread.
  • Propellers have to increase the footprint on the front side of a head or foot plate at one or both free ends. This serves to increase the footprint, so that a lower contact pressure against the counter surface, for example, a floor, a ceiling or a wall results. Without a foot plate, the vertical tube would possibly press into the ground or it could result in setting movements under load.
  • the top plate can directly carry a load and / or be connected to this example by screws, nails.
  • the top plate can also be a so-called head piece, z. B. drop head or clevis wear.
  • This allows a certain load application of a load, eg. B. formwork, in the prop.
  • the headrest is placed on top of the headrest on the top, the head piece above a specially shaped connection device for supporting the overhead load and below a downwardly extending inner tube for insertion into the tube of the prop.
  • the head piece is located on suitable surfaces on the top plate, so that the vertical loads are introduced into the prop via the top plate. Because of the construction site-typical environmental conditions is always with pebbles, buildup, sand, etc, to be expected, which is why the connection headstock prop is very playful. It follows that the connection is not well defined, e.g.
  • the inner tube may be obliquely or eccentrically to the prop tube.
  • the load transfer is therefore undefined and the calculated static of the prop is no longer valid. Therefore, such a connection must be oversized, so unnecessarily expensive to be interpreted.
  • DE 12 47 969 B discloses a header comprising an above connection device, below a downwardly extending inner tube; on the head piece fixing means and on the head piece clamping means
  • DE 12 47 969 B discloses the preamble of claim 1. It is therefore an object of the present invention to provide a method with an improved head piece for frontal placement on a prop.
  • This object is achieved by a method for frontally placing a head piece on a prop in accordance with claim 1.
  • the method according to the invention comprises a head piece for frontal placement on a prop with a pipe, the head piece at the top comprising a connection device for supporting an overhead load.
  • a connection device for supporting an overhead load.
  • This is a kind of transition piece, which to the respective load, for. B. formwork beams or stringers adapted.
  • Below the connection device extends down an inner tube for insertion into the tube of the telescopic prop. This allows insertion of the header in the upper part of the prop.
  • the inner tube can also be made very long as alignment aid, so that an inclination is prevented.
  • fixing means for. B. in the form of a through hole in the inner tube of the head piece, provided for the positive play-related connection of the inner tube in the pipe of the prop.
  • a bolt can thus be effected a fixation.
  • the fixation can also be done via circumferential grooves in the inner tube or the like. This combination of features is known from the prior art and the fixation creates only a play-afflicted connection with undefined load introduction.
  • An inner tube is here to be understood functionally: It serves to center and at least partially fix the head piece in some directions. It can therefore also another geometry, for. B. rectangular profile or octagonal profile or be a solid solid profile.
  • this defined load introduction can be effected simply by the fact that the clamping means are provided for play-free pretensioning of the connected by means of the fixing headpiece and prop on the head piece.
  • Clamping means are all measures by which a biasing can be effected, for. B. threads or wedges, wedges could z. B. from the side between the top plate and a corresponding counter surface are driven on the head piece.
  • the biasing can be done both by pulling apart the components (pressure on fixation), as described in the embodiment, as well as by compression (train on fixation). For reasons of load, pulling apart is preferred.
  • the inner tube can now be shorter; Nevertheless, an inclination is prevented.
  • telescoping props are known in which the height adjustment initially a coarse adjustment of the length can be done in stages by inserted into aligned through holes through the inner and outer tube pins. This is a coarse adjustment.
  • a stepless adjustment by means of thread is provided.
  • the skilled person knew a thread only for length adjustment but not for pre-tensioning, even though the thread and bolt connections have been available on the props for about 50 years.
  • a threaded nut is provided as a clamping means, which is screwed along the at least partially formed as a threaded spindle inner tube in its axial direction.
  • the structure is simple, especially since construction site suitable threaded spindles and nuts are available in a standardized manner.
  • threaded nut, threaded spindle and the fixing means are designed and arranged in such a way that the biasing is possible.
  • the threaded nut has a lower plate which extends in a plane perpendicular to the longitudinal axis of the inner tube, which serves as an abutment for the top plate.
  • a defined placement is facilitated if the lower plate has defined contact surfaces or webs for seating on the top plate, this may in particular be circumferential, possibly only partially circumferential, downwardly facing annular land.
  • the threaded nut preferably has gripping pieces pointing away from the longitudinal axis, which are such that pretensioning without tools is possible. The handling is facilitated and there is no tool must be kept.
  • a through hole in the inner tube is provided as fixing means, which is designed and arranged such that it can be brought into alignment with a corresponding through hole in the pipe of the prop when inserting the Kopt Publishedes in the tube.
  • the simple measures allow a playful fixation and used in construction proven connection techniques.
  • a guide for. Example, extending in the axial direction tongue and groove geometry, which requires a certain orientation of the inner tube relative to the tube during insertion of the inner tube into the tube. It is an anti-twist device to ensure that the through holes are aligned without manual turning.
  • the connecting device is formed on the head piece such that supports, profiles or receiving parts for system components can be attached thereto or fastened in order to allow a rapid assembly in a modular manner.
  • the installation can be pure laying or fixing, z. B. by screwing, tying, etc ..
  • a set is further provided with matched components, comprising the above-described head piece, the above-described, adapted thereto telescoping prop with a through hole, which can be brought into alignment with the through hole in the inner tube and a bolt passing through the aligned through holes under game for fixation is insertable.
  • the connected components are preferably displaceable in the axial direction, in particular by 1-5 mm, preferably 2-4 mm.
  • the outer diameter of the inner tube is 25 - 99 mm; the inner diameter of the tube is 30-100 mm and / or the difference between the outer diameter of the inner tube and the inner diameter of the tube is 1-5 mm, preferably 2-4 mm.
  • the telescoping prop is designed as a telescopic vertical tube, formed with a frontal head and / or foot plate at one or both free ends, the head and / or foot plate a footprint for supporting the prop against opposing surfaces, in particular a floor,
  • Ceiling or wall has. These components are available and proven in large numbers and variations. It can therefore be used to implement the invention on standard components. All you have to do is adapt the head piece to it.
  • the top plate of the prop can be designed as an abutment for the threaded nut during pretensioning.
  • a telescoping vertical tube preferably has an outer tube and an inner tube displaceable therein for length or height adjustment, wherein the inner tube is in different positions in stages and / or continuously displaceable and fixable and thus telescopic.
  • This height adjustment can be done by moving the inner tube in stages, for example by pins inserted in through-holes.
  • the height adjustment and fixation can also be made continuously, for example, characterized in that the inner tube has an external thread, which is screwed into a corresponding mating thread or nut, wherein the mating thread or the nut is supported against the outer tube.
  • the inner tube may therefore be loosely inserted into the vertical tube and associated with other components, such as a thread root plate.
  • a vertical tube can also be installed horizontally, z. B.
  • the support can also be set up in reverse.
  • a spindle is used as an inner tube, this may possibly only be inserted sufficiently deep into the outer tube sufficiently deep, so that the vertical tube can absorb only compressive forces in the axial direction.
  • the compressive forces are absorbed by a screwed onto the spindle nut or more generally a mating thread, which in turn is supported against the opening of the outer tube or generally against the outer tube.
  • the spindle and nut should be designed so that even with the maximum unscrewing of the spindle, this is performed adequately in the outer tube.
  • the nut preferably has wings for turning without tools.
  • the spindle can be inserted at the upper or lower end of the vertical tube and thus form a head or foot spindle.
  • Such spindles preferably comprise a head or foot plate, a threaded tube and a spindle nut. These threaded spindles are z. B. also plugged into modular scaffolding vertical handles or vertical tubes of a facade or supporting framework.
  • the vertical tube is part of a scaffolding, z. B. as scaffolding tube or as the two vertical posts in a scaffolding frame.
  • a scaffolding frame two parallel vertical tubes in the lower and upper regions of the outer tube are connected to each other by horizontal beams to form a frame.
  • So-called modular scaffolds are preferably connected by means of prefabricated system components and have corresponding connection options. This may, for example, be a system with vertical stem stakes and wedge heads on the bars and diagonals for hanging in the plates. Alternatively, this may be a system with prefabricated frames that are connected and stiffened by means of bars and diagonals.
  • FIG. 1a has the prop 1 a top open, accessible pipe 3 with a plate-like head plate 4.
  • the head piece 5 has at the top a connecting device 52 shown only symbolically for supporting an overhead load.
  • Extending downwardly therefrom is an inner tube 51 for insertion into the tube 3 of the prop 1.
  • the inner tube 51 is present, but not mandatory, over its entire length with an external thread 53 and thus forms a threaded spindle.
  • On this a threaded nut 7 is screwed, which can thus be screwed in the axial direction up and down.
  • Handles 72 on the nut 7 facilitate manual turning.
  • the lower edge of the nut is formed by a lower plate 71, which in the present case has a circumferential downwardly pointing web 74 for producing a defined contact surface with the head plate 4 of the prop 1.
  • the inner tube 51 has a through hole 6 which can be brought into coincidence with a matching bore 61 in the prop 1. First, the inner tube 51 is inserted from above into the pipe 3 of the prop.
  • FIG. 1b shows the already patched head piece 5, which is manually held so that the two through holes 6, 61 are aligned.
  • the threaded nut 7 may have been deliberately rotated so that the lower plate 71 rests on the top plate 4.
  • the nut 7 is still in the right position from the last use.
  • the prop 1 is telescopic.
  • FIG. 2a shows in addition a telescopic vertical tube 1 with a circular outer tube 2 and a guided therein displaceable circular inner tube 3, which is designed here as a threaded spindle.
  • the spindle 3 is thus inserted into the outer tube 2 and the height compensation can be infinitely variable, wherein the thread is supported by a correspondingly shaped counter-threaded piece in the form of a manually rotatable nut 21 at the head of the outer tube 2 against the same.
  • the outer tube 2 thus carries the nut 21 with the spindle 3 screwed therein.
  • the spindle 3 which serves here only as an example of an inner tube of a telescopic vertical tube, has at its free - here upper end 31 a substantially square top plate 4 - here with rounded corners.
  • the prop 1 can also be reversed around, z. B. be installed as a scaffold on uneven ground.
  • FIG. 2b shows another embodiment of the prop 1, which only in the mounting principle 21 of Fig. 1a different.
  • This height adjustment can be done by moving the inner tube in stages by pins inserted into aligned through holes through the inner and outer tubes. This is done coarse adjustment.
  • For fine adjustment is a stepless adjustment by means of thread, as in FIG. 1a , provided, however, only in sections, ie to bridge the area between two through holes.
  • the thread cost and production is provided only on a short section of the outer tube 2.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (12)

  1. Procédé destiné au montage frontal d'un embout (5) sur un étai télescopique (1) comprenant un tube (3), l'embout comprenant en haut un dispositif de raccordement (52) destiné à porter une charge qui reste sur le dessus de celui-ci et en bas un tube intérieur (51) s'étendant vers le bas et destiné à être inséré dans le tube (3) de l'étai télescopique (1), comprenant les étapes suivantes dans l'ordre indiqué :
    a. insérer le tube intérieur (51) s'étendant vers le bas dans le tube (3) de l'étai télescopique (1) ;
    b. relier le tube intérieur (51) par concordance de forme et avec du jeu au tube (3) de l'étai télescopique par moyen des éléments de fixation (6, 8) ;
    caractérisé en ce qu'
    c. on met l'embout et l'étai télescopique, qui sont reliés l'un à l'autre par moyen des éléments de fixation (6), sous précontrainte sans jeu par l'intermédiaire des moyens de serrage (7).
  2. Procédé selon la revendication 1, dans lequel on effectue l'étape suivante entre l'étape a) et l'étape b) :
    a1. ajuster les moyens de serrage de sorte que ceux-ci maintiennent le tube intérieur par rapport au tube de sorte qu'il est possible d'établir la liaison de l'étape b).
  3. Procédé selon l'une des revendications précédentes, dans lequel le dispositif de raccordement (52) est configuré de sorte que des supports, des profilés ou des pièces de réception destinés aux composants de système peuvent être montés sur celui-ci ; et des éléments de fixation et les moyens de serrage (53, 6) sont prévus sur l'embout (5).
  4. Procédé selon l'une des revendications précédentes, dans lequel un écrou taraudé (7) est prévu comme moyen de serrage, lequel écrou taraudé peut être vissé le long du tube intérieur (51), dont au moins plusieurs sections sont formées comme broche filetée (53), dans la direction axiale de celui-ci.
  5. Procédé selon l'une des revendications précédentes, dans lequel l'écrou taraudé (7), la broche filetée (53) et les éléments de fixation (6) sont configurés et disposés de sorte que la précontrainte est rendue possible.
  6. Procédé selon l'une des revendications précédentes, dans lequel l'écrou taraudé (7) comprend une plaque inférieure (71), qui s'étend dans un plan perpendiculaire à l'axe longitudinal du tube intérieur, et/ou des pièces de poignée (72), qui s'étendent à l'écart de l'axe longitudinal, lesquelles sont configurées de sorte qu'on peut obtenir une précontrainte sans outils.
  7. Procédé selon l'une des revendications précédentes, dans lequel un alésage traversant est prévu dans le tube intérieur comme élément de fixation (6), lequel alésage est configuré et disposé de sorte qu'il peut être aligné avec un alésage traversant (61) correspondant dans le tube de l'étai pendant l'insertion de l'embout dans le tube.
  8. Procédé selon l'une des revendications précédentes, dans lequel un guidage est prévu, qui demande une orientation spécifique du tube intérieur par rapport au tube pendant l'insertion du tube intérieur dans le tube.
  9. Procédé selon la revendication 7 ou la revendication 8 en combinaison avec la revendication 7, comprenant un ensemble, qui comprend l'embout et l'étai télescopique comprenant un alésage traversant susceptible d'être aligné avec l'alésage traversant dans le tube intérieur et un boulon (8) susceptible d'être inséré avec jeu à travers les alésages traversants alignés pour la fixation, les composants reliés pouvant être déplacés de préférence dans la direction axiale, notamment par 1-5 mm, de préférence par 2-4 mm.
  10. Procédé selon la revendication 9, dans lequel, dans l'ensemble, le diamètre extérieur du tube intérieur est compris entre 25 et 99 mm, le diamètre intérieur du tube est compris entre 30 et 100 mm et/ou la différence entre le diamètre extérieur du tube intérieur et le diamètre intérieur du tube est comprise entre 1 et 5 mm, de préférence entre 2 et 4 mm.
  11. Procédé selon l'une des revendications précédentes 9 à 10, dans lequel, dans l'ensemble, l'étai télescopique (1) est configuré comme un tube vertical télescopique comprenant une plaque frontale de tête et/ou de pied (4) à une ou aux deux extrémités libres (21, 31), la plaque de tête et/ou de pied (4) comprenant une surface de contact (41) pour permettre à l'étai de s'appuyer contre des contre-surfaces, notamment un sol, un plafond ou une paroi.
  12. Procédé selon l'une des revendications précédentes 9 à 11, dans lequel, dans l'ensemble, la plaque de tête de l'étai est configurée comme un contre-appui pour l'écrou taraudé pendant la mise en précontrainte.
EP11186494.8A 2010-11-19 2011-10-25 Procédé destiné au montage frontal d'un embout sur un étai Active EP2455563B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010044193 DE102010044193A1 (de) 2010-11-19 2010-11-19 Kopfstück zum stirnseitigen Aufsetzen auf eine Baustütze sowie Verfahren

Publications (3)

Publication Number Publication Date
EP2455563A2 EP2455563A2 (fr) 2012-05-23
EP2455563A3 EP2455563A3 (fr) 2014-01-08
EP2455563B1 true EP2455563B1 (fr) 2016-03-30

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Application Number Title Priority Date Filing Date
EP11186494.8A Active EP2455563B1 (fr) 2010-11-19 2011-10-25 Procédé destiné au montage frontal d'un embout sur un étai

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EP (1) EP2455563B1 (fr)
DE (1) DE102010044193A1 (fr)
PL (1) PL2455563T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107780652A (zh) * 2016-08-31 2018-03-09 广东信海建筑有限公司 一种可调节支撑高度的建筑模板异型管铝合金单支顶
US11891825B2 (en) 2018-10-02 2024-02-06 Independence Materials Group, Llc Apparatus for supporting overhead structure
CN109853936B (zh) * 2019-03-19 2023-12-19 中铁五局集团贵州工程有限公司 一种用于加固顶托的装置
CN114046035A (zh) * 2021-12-23 2022-02-15 北京玖鑫晟新材料技术开发中心有限公司 一种复合型分体式脚手架可调底座
CN114104530B (zh) * 2021-12-30 2024-05-24 沃德林科环保设备（北京）有限公司 一种新型内浮顶储罐可调节高度支腿

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1247969B (de) * 1962-04-07 1967-08-17 Friedrich Ischebeck Tiefbaustrebe
DE19719743A1 (de) * 1997-05-06 1998-11-12 Shih Lung Li Stütze für Schalungsbretter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2205913A5 (fr) * 1972-11-03 1974-05-31 Peri Werk Schwoerer Kg Artur
FR2222870A5 (en) * 1973-03-20 1974-10-18 Koehl Ets Dismantling screw props - a groove- stud arrangement to prevent sepn of parts
DE2934806A1 (de) * 1979-08-29 1981-03-19 Friedr. Ischebeck GmbH, 5828 Ennepetal Baustrebe
DE4400360A1 (de) * 1994-01-08 1995-07-13 Gerhard Dingler Stütze

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1247969B (de) * 1962-04-07 1967-08-17 Friedrich Ischebeck Tiefbaustrebe
DE19719743A1 (de) * 1997-05-06 1998-11-12 Shih Lung Li Stütze für Schalungsbretter

Also Published As

Publication number Publication date
PL2455563T3 (pl) 2016-09-30
EP2455563A2 (fr) 2012-05-23
DE102010044193A1 (de) 2012-05-24
EP2455563A3 (fr) 2014-01-08

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