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EP2513391B1 - Étai télescopique pour le secteur de la construction - Google Patents

Étai télescopique pour le secteur de la construction Download PDF

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Publication number
EP2513391B1
EP2513391B1 EP10795268.1A EP10795268A EP2513391B1 EP 2513391 B1 EP2513391 B1 EP 2513391B1 EP 10795268 A EP10795268 A EP 10795268A EP 2513391 B1 EP2513391 B1 EP 2513391B1
Authority
EP
European Patent Office
Prior art keywords
outer tube
stop element
inner tube
tube
telescopic prop
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
EP10795268.1A
Other languages
German (de)
English (en)
Other versions
EP2513391A1 (fr
Inventor
Werner Handvest
Lars Henke
Rudolf Specht
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.)
Peri GmbH
Original Assignee
Peri 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 Peri GmbH filed Critical Peri GmbH
Priority to PL10795268T priority Critical patent/PL2513391T3/pl
Publication of EP2513391A1 publication Critical patent/EP2513391A1/fr
Application granted granted Critical
Publication of EP2513391B1 publication Critical patent/EP2513391B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • E04G2025/042—Shores or struts; Chocks telescopic with devices to avoid accidental disengagement of the telescopic elements, e.g. during transport

Definitions

  • the invention relates to a telescopic support for the construction sector, with an outer tube and with an axially displaceably arranged therein inner tube, which is secured by means of a fail-safe against removal from the outer tube, wherein the fail-safe has a arranged on the outer tube stop element, to the at least one the inner tube arranged stop means can be brought to bear.
  • Such telescopic supports are used in the construction sector for a variety of supporting tasks and are used for example as a ceiling or Einricht 100n for supporting concrete formwork.
  • a telescopic support for the construction industry has become known in which the stop element is formed by a tapered edge portion of the telescoping end of the telescopic support end facing the outer tube.
  • the outer tube has a stop element formed by a cross-sectional area tapered in this way.
  • the EP 0 625 622 A1 shows a telescopic support, in which the stop element is formed by a wall portion of a welded onto the one end of the outer tube pipe section with a smaller inner diameter compared to the outer tube.
  • EP 1605116A shows a telescopic support for the construction sector with the features of the preamble of claim 1.
  • the object of the invention is to improve a telescopic support of the type mentioned with simple constructive measures such that it is easier and less expensive to manufacture.
  • the stop element according to the invention is provided in the region of one end of the outer tube, wherein the stop element at least partially obscures the free cross-sectional area of the outer tube. Covering the cross-sectional area in the present application also means an at least partial projection of the stop element into the clear cross-section of the outer tube.
  • the stop element is preferably attached according to the invention without separate connection means on the outer tube and arranged in the simplest case only in a press fit on or in the outer tube.
  • the stop element can also be arranged in the sense of a snap ring in a groove arranged on the outer tube or via a latching connection or a bayonet-type fastening to the outer tube.
  • the stop element is connected to the outer tube and this in the region of the free end of the outer tube.
  • the stop element engages in a arranged on a lateral surface of the outer tube inner and / or outer thread of the outer tube, wherein a particularly resilient arrangement of the stop member is achieved in that the stop element with an outer and / or an internal thread engages in or into the corresponding thread of the outer tube.
  • the stop element is assigned a Ausdussch.
  • the Ausdussch may in particular have a arranged on the stop element and einschlagbare in the thread of the outer tube locking tab.
  • the stop element here an impact flap, engages in a passage opening of the outer tube.
  • the load capacity of the stop member against axial loads, as may occur in particular when a soiled inner tube is pushed into the outer tube, is further improved in that the stop element has an end face, i. an end wall portion, the one end of the outer tube at least partially covered.
  • the stop element is preferably formed according to an embodiment of the invention as a cap or as a sleeve.
  • impurities such as fresh concrete
  • the stop element thereby serve as a (sliding) bearing and at the same time as a stripping element for a contaminated inner tube. If the stop element is designed as a cap or as a sleeve, no additional processing must be carried out to create an attachment element on the outer tube.
  • the failsafe independent of the orientation of the inner tube in the outer tube of the stop means of the inner tube is preferably formed as a flared, for example crimped, end of the inner tube.
  • the stop element can not be released from its mounted position even under high bending moments of the extended inner tube, that has Inner tube according to a development of the invention, at least one radially over its outer circumferential surface laterally projecting projection, which is arranged axially spaced from the flared end of the inner tube, the stop means.
  • the projection is preferably formed integrally with the inner tube and made in particular via a forming process on the inner tube.
  • the projection is advantageously formed in the form of a nub or a bead projection and may extend in the circumferential direction of the inner tube over a preferably large circumferential angle.
  • a plurality of projections may be provided, which are lined up along the outer circumference of the inner tube spaced from each other and which are preferably arranged in a plane orthogonal to the longitudinal axis of the inner tube.
  • the inner tube is axially guided for the purpose of improved positioning accuracy as well as a reliable support behavior on the stop element and / or on an inner circumferential surface of the outer tube, preferably in sliding play positive engagement.
  • the inner tube on the inner lateral surface of the outer tube expedient manner with the one stop means, here for example with the crimped edge of its arranged in the outer tube end, and / or out with the at least one projection.
  • the trained preferably as a cap stop element has, according to a particularly preferred manufacturing aspects of the invention an internal thread which engages in an external thread of the outer tube, wherein the external thread is additionally engaged with an internal thread of a lowering nut on which a transverse to the longitudinal axis of the telescopic support can be supported by the outer and inner tube feasible securing bolt.
  • the stop element can be screwed directly onto an already provided thread.
  • the stop element acts at the same time in the sense of a lock nut or a stop element for the lowering nut, so that it is arranged captive on the telescopic support.
  • the outer tube preferably has a substantially constant inner diameter over its entire axial length.
  • the prop of the invention has the advantage that it is easy to assemble (final assembly).
  • the outer and inner tube can be edited and manufactured without additional elements and only when assembling the outer and inner tube, the lowering nut is screwed with the associated elements on the outer tube.
  • the fuse pin is attached to the outer tube prior to assembly of the inner tube with the outer tube. If the prop is assembled according to the invention, the securing bolt can only be used in the region of the insertion opening, provided that the stop element has an outer diameter which is greater than the inside diameter of a section of the correspondingly shaped securing bolt which surrounds the outer tube.
  • Fig. 1 is a generally designated 10 telescopic support for the construction sector in a selected column section reproduced.
  • the telescopic support 10 has an outer tube 12 and an inner tube 14 arranged axially displaceable therein.
  • the inner tube 14 has at its in the figure above shown free end 16 a known support plate 18
  • the outer tube 12 has a foot plate for secure positioning on a respective substrate at its not shown in detail in Fig. Foot end.
  • a cap 22 is arranged, which serves as a stop element for the inner tube 14 and by the axial removal or a failure of the inner tube 14 from the outer tube 12 is prevented is.
  • the cap 22 is formed in a manner corresponding to a cap nut and has a substantially cylindrical wall portion 24 with an internal thread 26 . Adjoining the cylindrical wall section 24 is an edge region 28 of the cap 22 which is arranged above the cylindrical wall section 24 and which is angled radially in the direction of a cylindrical longitudinal axis 30 of the telescopic support 10 and which has a free cross-sectional surface 32 the outer tube 12 partially covered.
  • the cap 22 and its internal thread 26 is in engagement with a arranged on the outer circumferential surface 34 of the outer tube 12 external thread 36.
  • external thread 36 of the outer tube 12 also engages a so-called Lowering nut 38 , on which a handle 38 ' is pivotally mounted and which is axially movable by rotation about the longitudinal axis 30 of the telescopic support 10 on the outer tube 12 along.
  • the outer tube 12 has in this respect two opposite and parallel to the longitudinal axis 30 of the telescopic support 10 elongated first through openings (slots) 42
  • the inner tube 14 has a plurality of circular opposing (aligned) second through-openings 44 which along the inner tube 14 in each case Periodically under or over each other are arranged.
  • the inner tube 14 is first pulled out to a desired length of the telescopic support 10 and the locking bolt 40 subsequently inserted through the first through-insertion openings 42 of the outer tube and with these each aligned second insertion openings 44 of the inner tube 14.
  • the cap 22 with its angled edge region covers an end face 46 of the one end 20 of the outer tube 12.
  • the inner tube 14 has a stop means 48 designed as a widened end, for the purpose of fail-safe protection of the inner tube 14 from the outer tube 12 to the cap 22 and at its angled edge portion 28 can be brought to bear, provided that no further securing elements are effective.
  • the inner tube 14 additionally has a plurality of knob-like projections 50 , which are arranged at a distance from the stop means (widened end) 48 of the inner tube 14 and project laterally radially beyond an outer lateral surface 34 of the inner tube 14.
  • the knob-like projections 50 are brought into contact with the cap 22 upon reaching a predetermined maximum extension of the inner tube 14 and thus enforce a remaining in the outer tube 12 minimum length of the inner tube 14.
  • the inner tube 14 is therefore supported on an inner circumferential surface 52 of the outer tube 12th from, whereby a levering of the cap 22 is reliably avoided by the outer tube 12.
  • the knob-like projections 50 have a function as the stop means 48 and limit the Teleskopierin the telescopic support.
  • the internal thread 26 of the cap 22 is, as in the FIGS. 3 and 4 is shown in more detail, designed as a flat profile and has a thread profile 54 interrupted along the thread.
  • FIG. 5 the individual parts of the telescopic support 10 according to the invention are shown prior to assembly of the inner tube 14 with the outer tube 12.
  • the above-explained support plate 18 is already welded, while at the foot-side end of the outer tube 12, a foot plate 58 is welded.
  • the lowering nut 38 is screwed onto the external thread 36 of the outer tube 12 and the securing bolt 40 is pushed onto the threaded portion of the outer tube 12 above the lowering nut 38, while the cap 22 is pushed onto the inner tube 14 and the nub-like projections 50 and the support plate 18 opposite an axial removal of the inner tube 14 is secured.
  • the inner tube 14 For joining the inner tube 14 with the outer tube 12, the inner tube 14 with its expanded end 48 (stopper) as far as inserted at the head end 20 of the outer tube 12 axially into the outer tube 12 until at least the knob-like projections 50 come to rest within the outer tube 12. Subsequently, the cap 22 is screwed onto the external thread 36 of the outer tube 12 and the Einschlaglasche 56 taken with a tool in the opening 57 of the outer tube 12.
  • the invention relates to a telescopic support 10 for the construction sector, with an outer tube 12 and with an axially displaceably arranged therein inner tube 14, which is secured by means of a fail-safe against removal from the outer tube 12.
  • the fail-safe means has a stop element arranged on the outer tube 12, to which at least one stop means 48 arranged on the inner tube 14 can be brought into abutment.
  • the stop element is provided in the region of one end 20 of the outer tube 12 and covers at least partially the free cross-sectional area of the outer tube 12.
  • the stop element is preferably designed as a cap 22 and has an internal thread 26 which engages in an external thread 36 of the outer tube 12.
  • the external thread 36 is engaged with a lowering nut 38, on which a transversely to the longitudinal axis 30 of the telescopic support 10 through the outer and inner tube 12, 14 feasible securing bolt 40 can be supported.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Clamps And Clips (AREA)

Claims (9)

  1. Etai télescopique (10) dédié au secteur du bâtiment, comprenant une tubulure extérieure (12) et une tubulure intérieure (14) qui est logée dans cette dernière avec faculté de coulissement axial et est arrêtée, au moyen d'une sûreté de prévention d'un ripage, à l'encontre d'une extraction hors de ladite tubulure extérieure (12), ladite sûreté de prévention d'un ripage comportant un élément de butée disposé sur la tubulure extérieure (12) et contre lequel au moins un moyen de butée (48), disposé sur la tubulure intérieure (14), peut être mis en applique, ledit élément de butée étant fixé à la tubulure extérieure (12) dans la région d'une extrémité (20) de ladite tubulure extérieure (12), et recouvrant au moins partiellement l'aire de section transversale libre (32) de ladite tubulure extérieure (12), caractérisé par le fait que l'élément de butée est réalisé sous la forme d'un capuchon (22) ou d'une douille, et vient en prise avec un filetage intérieur et/ou extérieur (36) de la tubulure extérieure (12) qui est situé sur une surface (34 ; 50) de l'enveloppe de ladite tubulure extérieure (12), une sûreté de prévention d'un dévissage, réalisée sous la forme d'une patte (56) enfonçable par percussion, étant associée audit élément de butée.
  2. Etai télescopique selon la revendication 1, caractérisé par le fait que l'élément de butée vient en prise, par un filetage extérieur et/ou intérieur (26), avec un filetage intérieur et/ou extérieur (36) de la tubulure extérieure (12) qui est situé sur une surface (34 ; 50) de l'enveloppe de ladite tubulure extérieure (12).
  3. Etai télescopique selon la revendication 1, caractérisé par le fait que la patte (56) enfonçable par percussion pénètre dans un évidement, en particulier dans un orifice traversant la tubulure extérieure (12).
  4. Etai télescopique selon l'une des revendications précédentes, caractérisé par le fait que l'élément de butée coiffe, au moins en partie, une face extrême (46) de l'une (20) des extrémités de la tubulure extérieure (12).
  5. Etai télescopique selon l'une des revendications précédentes, caractérisé par le fait que le moyen de butée (48) est réalisé sous la forme d'une extrémité évasée de la tubulure intérieure (14).
  6. Etai télescopique selon la revendication 5, caractérisé par le fait que la tubulure intérieure (14) est pourvue d'au moins une protubérance (50) qui fait latéralement saillie au-delà de la surface (34') de son enveloppe extérieure, dans le sens radial, et se trouve axialement à distance du moyen de butée (48) de ladite tubulure intérieure (14).
  7. Etai télescopique selon l'une des revendications précédentes, caractérisé par le fait que la tubulure intérieure (14) est guidée axialement sur l'élément de butée et/ou sur une surface (52) de l'enveloppe intérieure de la tubulure extérieure (12), de préférence par coopération avec jeu de glissement.
  8. Etai télescopique selon l'une des revendications précédentes, caractérisé par le fait que l'élément de butée comporte un filetage intérieur (26) venant en prise avec un filetage extérieur (36) dé la tubulure extérieure, lequel filetage extérieur (36) coopère avec un écrou abaissable (38) contre lequel peut prendre appui une broche d'arrêt (40) pouvant être engagée à travers les tubulures extérieure et intérieure (12 ; 14), perpendiculairement à l'axe longitudinal (30) dudit étai télescopique (10).
  9. Etai télescopique selon l'une des revendications précédentes, caractérisé par le fait que la tubulure extérieure (12) présente un diamètre intérieur substantiellement constant sur l'intégralité de sa longueur axiale.
EP10795268.1A 2009-12-14 2010-12-08 Étai télescopique pour le secteur de la construction Active EP2513391B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10795268T PL2513391T3 (pl) 2009-12-14 2010-12-08 Podpora teleskopowa dla budownictwa

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009054628A DE102009054628A1 (de) 2009-12-14 2009-12-14 Teleskopstütze für den Baubereich
PCT/EP2010/069152 WO2011082927A1 (fr) 2009-12-14 2010-12-08 Étai télescopique pour le secteur de la construction

Publications (2)

Publication Number Publication Date
EP2513391A1 EP2513391A1 (fr) 2012-10-24
EP2513391B1 true EP2513391B1 (fr) 2014-02-12

Family

ID=43608668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10795268.1A Active EP2513391B1 (fr) 2009-12-14 2010-12-08 Étai télescopique pour le secteur de la construction

Country Status (14)

Country Link
EP (1) EP2513391B1 (fr)
CN (1) CN102713107B (fr)
AR (1) AR079315A1 (fr)
BR (1) BR112012014427B1 (fr)
DE (1) DE102009054628A1 (fr)
ES (1) ES2462266T3 (fr)
HR (1) HRP20140253T1 (fr)
IL (1) IL220301A (fr)
MX (1) MX2012006842A (fr)
PL (1) PL2513391T3 (fr)
PT (1) PT2513391E (fr)
RU (1) RU2526949C2 (fr)
SG (1) SG181540A1 (fr)
WO (1) WO2011082927A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9926711B2 (en) 2011-12-22 2018-03-27 Peri Gmbh G-hook for mutual releasable connection of two prop portions of a variable length construction prop

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010041122A1 (de) * 2010-09-21 2012-03-22 Doka Industrie Gmbh Stütze für das Bauwesen
DE102011122067A1 (de) * 2011-12-22 2013-06-27 Peri Gmbh Gegenseitige,lösbare verbindung zweier stützenabschnitte einer längenveränderlichen baustütze
DE102011122068A1 (de) * 2011-12-22 2013-06-27 Peri Gmbh Gegenseitige, lösbare verbindung zweier stützenabschnitte einer längenveränderlichen baustütze
DE102012018594A1 (de) * 2012-09-20 2014-03-20 Jan Leonhard Zwangsgeführter mechanischer Teleskopauszug zum Verlängern oder Kürzen von zwei oder mehreren Formrohren (rund und oder eckig)
DE102013206577A1 (de) 2013-04-12 2014-10-16 Peri Gmbh Verfahren zur Festigung und Kalibrierung eines Rohrabschnittes
CN105275249A (zh) * 2015-03-16 2016-01-27 洛阳辰祥机械科技有限公司 一种支撑杆的调控装置
JP7547047B2 (ja) 2016-09-16 2024-09-09 ディバ インベストメンツ ピーティーワイ リミテッド アズ トラスティー フォー ハンドレイル ホールディング トラスト 安全レールシステム
CN112789486B (zh) * 2019-07-05 2024-03-08 林振宇 具有自定位识别的力和倾斜度监视系统
GB201911337D0 (en) * 2019-08-08 2019-09-25 Grove Design Pembridge Ltd Shoring support structure
CN111877754B (zh) * 2020-07-27 2021-11-30 浙江瓯海铁路投资集团有限公司 一种建筑施工支撑装置

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EP0625622A1 (fr) 1993-05-17 1994-11-23 Müller & Baum GmbH & Co. KG Etai télescopique
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MD2079C2 (ro) * 2000-01-12 2004-08-31 Николай БОГУСЛАВСКИЙ Montant telescopic
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9926711B2 (en) 2011-12-22 2018-03-27 Peri Gmbh G-hook for mutual releasable connection of two prop portions of a variable length construction prop

Also Published As

Publication number Publication date
BR112012014427B1 (pt) 2019-11-12
HRP20140253T1 (hr) 2014-04-25
MX2012006842A (es) 2012-07-23
IL220301A (en) 2014-04-30
RU2012129976A (ru) 2014-01-27
CN102713107B (zh) 2017-03-01
PT2513391E (pt) 2014-04-24
WO2011082927A1 (fr) 2011-07-14
EP2513391A1 (fr) 2012-10-24
BR112012014427A2 (pt) 2016-06-07
DE102009054628A1 (de) 2011-06-16
AR079315A1 (es) 2012-01-18
CN102713107A (zh) 2012-10-03
IL220301A0 (en) 2012-07-31
SG181540A1 (en) 2012-07-30
PL2513391T3 (pl) 2014-07-31
RU2526949C2 (ru) 2014-08-27
ES2462266T3 (es) 2014-05-22

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