EP2268874A1 - Clameau pour la fixation de coffrages pour poutres en béton - Google Patents

Clameau pour la fixation de coffrages pour poutres en béton

Info

Publication number
EP2268874A1
EP2268874A1 EP09717838A EP09717838A EP2268874A1 EP 2268874 A1 EP2268874 A1 EP 2268874A1 EP 09717838 A EP09717838 A EP 09717838A EP 09717838 A EP09717838 A EP 09717838A EP 2268874 A1 EP2268874 A1 EP 2268874A1
Authority
EP
European Patent Office
Prior art keywords
sections
square tubes
square
pipe
construction
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.)
Withdrawn
Application number
EP09717838A
Other languages
German (de)
English (en)
Inventor
Dieter Bolte
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE102009007473A external-priority patent/DE102009007473A1/de
Application filed by Individual filed Critical Individual
Publication of EP2268874A1 publication Critical patent/EP2268874A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
    • E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
    • E04G13/025—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions with stiff clamping means bracing the back-side of the form without penetrating the forming surface
    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/12—Tying means; Spacers ; Devices for extracting or inserting wall ties with arms engaging the forms

Definitions

  • the invention relates to a structural bracket specified in the preamble of claim 1 genus.
  • Construction braces of this type which are also referred to as column springs, are known in many variants. They usually contain od from flat iron od. Like. Prepared profiles and are used in construction for the purpose of frame-shaped formwork formed from formwork panels and / or planks and to keep during the casting and curing of the concrete in the selected relative positions. To connect the individual profiles are perforations that od in the profiles and with these connected tabs, shoes. Like. Formed, and inserted into these holes clamping wedges, wherein for the production of frames with different inner cross sections usually in each profile more, at selected intervals arranged perforations are formed (eg, DE 23 02 851 C2, DE 26 11 587 Al, DE 31 40 024 Al).
  • the known and generic construction brackets are composed of comparatively many individual parts and therefore expensive to manufacture and cumbersome to use.
  • the profiles do not always meet the requirements placed on their stability.
  • the technical problem of the invention is that a Bauklam- mer of the initially mentioned type, which consists of a few items, is inexpensive to produce, can be easily cleaned when dirty and meets all static requirements.
  • the profiles consist of square tubes, wherein at least two of the square tubes each consist of two telescopically pluggable, perforated sections.
  • the lengths of the individual profiles can be easily adapted to the required values by relative displacement of the two sections.
  • the fixation of the set lengths can od with the help of perforations passing through securing elements, preferably in the form of screws, pins od.
  • securing elements preferably in the form of screws, pins od.
  • no specially adapted parts such as clamping wedges od.
  • Like. Required, and lost fuse elements can be easily replaced. Dirty parts can finally with simple means, eg. B. od by spraying with a garden hose. Like., To be cleaned.
  • FIG. 1 shows schematically the front view of a first embodiment of a construction clamp according to the invention, composed of square tubes;
  • Fig. Ia and Ib enlarged cross-sections through two a square tube of the construction bracket of Figure 2 forming pipe sections.
  • FIGS. 2 and 3 each show a plan view of a single square tube of the construction bracket Fig. 1;
  • Fig. 4 shows schematically a connecting means for connecting two square tubes with an adjustable angle
  • Fig. 4a and 4b details of the connecting means of Fig. 4;
  • Fig. 5 is a view corresponding to Figure 1 of a second embodiment of a construction clamp according to the invention.
  • FIG. 6 and 7 plan views of a single square tube of the construction bracket after
  • Fig. 8 is a view corresponding to Figure 1 of a third embodiment of a construction clip according to the invention.
  • FIG. 9 is a plan view of a single square tube of the structural clip according to FIG. 8.
  • a construction bracket according to the invention comprises four interconnected to a frame, preferably made of steel profiles in the form of square tubes 1 to 4 with rectangular or square cross-sections.
  • Each square tube 1 to 4 contains two first and second, telescopically pluggable, preferably continuously straight pipe sections Ia, Ib to 4a and 4b.
  • the pipe sections Ia to 4a each have a slightly smaller outer cross section than the pipe sections Ib to 4b, as shown schematically in Fig. Ia and Ib, so that the pipe sections Ia to 4a introduced with little play in the pipe sections Ib to 4b and in These can be moved axially.
  • the pipe sections Ib, 2b, 3b and 4a each have a continuous perforation 5, whereas the other pipe section Ia, 2a, 3a and 4b of a pair has a plurality of such perforations 5, which in the longitudinal direction of the square tubes. 1 to 4 spaced apart.
  • This allows the Square tubes 1 to 4 are each set to a preselected length, which is then fixed by introducing a securing element 6 in aligned perforations 5 of the two associated pipe sections Ia, Ib and so on.
  • the perforations 5 are preferably made of holes with circular or square cross-sections, while the securing elements 6 of simple screws, with
  • Heads provided bolts, cramps od. Like. Exist and are dimensioned such that the two pipe sections Ia, Ib, etc. of a pair after insertion of a securing element 6 can not be moved axially relative to each other or only with little play.
  • connection elements for mutual connection.
  • z. B. the square tube 2 at its one end two on opposite outer walls of the pipe section 2b arranged in parallel reinforcing elements 7 z. B. in the form of stiffening plates, which are preferably secured by welding and in the pipe section 2b superior areas each having a preferably circular hole 8 (FIG. 2).
  • the distance between the two reinforcing elements 7 is so large that an associated end portion of another square tube, here z. B. the pipe section 3 a of the square tube 3, between them can be inserted.
  • the square tube 2 only has a through hole 9, the z. B.
  • a corresponding hole 9 is provided at the free end of the tube section 3 a of the square tube 3, while at the free end of the tube section 1 b of the square tube 1 corresponding reinforcing elements 7 are fastened with holes 8.
  • the connection of the square tubes 1, 2 and 3 can therefore be made simply in that the free ends of the pipe sections 2a and 3a inserted between their associated reinforcing elements 7 of the pipe sections 1b and 2b and then by means of securing elements 10 in the form of simple Fixing screws, heads having pins od.
  • securing elements 10 in the form of simple Fixing screws, heads having pins od.
  • the fourth square tube 4 in FIG. 1 is used in the exemplary embodiment as a securing rod and serves to prevent spreading of the square tubes 1 and 3 transversely to their longitudinal axes in the mounted state of the structural clip.
  • the connection of the square tube 4 with the upper in Fig. 1 ends of the square tubes 1 and 3 is z. B. by further screw.
  • z. B. threaded bolt 11 inserted into the upper ends of the pipe sections Ia and 3b.
  • These threaded bolts 11 are arranged parallel to the longitudinal axes of the pipe sections Ia, 3b and z. B. held by end plates 12 in position, which are secured in the pipe sections Ia, 3b by welding.
  • Fig. 1 The application of the construction clamp described is shown in Fig. 1 by means of a formwork for a horizontally arranged concrete beam.
  • the formwork contains a plurality of formwork panels 14 arranged in a rectangle or square formation or the like, which are arranged here in a U-shape and bound an upwardly open space.
  • the three square tubes 1, 2 and 3 adjusted by appropriate displacement of their pipe sections Ia, Ib, 2a, 2b, 3a and 3b to the required lengths and in this position by the hedging elements 6 fixed.
  • the perforations 5 of at least the square tubes 2 and 4 are particularly advantageously arranged at such distances from each other as the edge length of standardized concrete beams (eg 11.5 cm, 17.5 cm, 24 cm, 36 cm and 50 cm) and twice the thickness of conventional formwork panels 14 (eg 20 mm).
  • the lengths of the two lateral square tubes 1 and 3 in the manufacture of horizontal concrete beams, as shown in FIG. 1, merely set so that they are greater than the height of the concrete beam to be produced.
  • the prefabricated, U-shaped clamp member shown in FIG. 1 is applied to the formwork panels 14.
  • at least one fastening tab 16 preferably by welding (see in particular Fig. 9), which is provided with a hole 17 (Fig. This makes it possible to od the square tubes 1 and 3 by means of a respective one of the holes 17 introduced nail od.
  • at least one such fastening tab 16 can also be attached to the square tube 2.
  • the square tube 4 is mounted, the od with suitable perforations 8a, 9a (Fig. 3) attached to the threaded bolt 11 and, if necessary, with fasteners 18 in the form of wing nuts od. Like. Is attached to the remaining bracket part.
  • the square tube 4 can be arranged in this case, as shown in FIG. 1 above the formwork, because this need not have upper panel 14. All this work can be done easily by a single person, because the total weight of a construction bracket is relatively small because of the small number of parts.
  • Figures 4, 4a and 4b show means making it possible to connect two square tubes (eg 3 and 4) at an angle other than 90 °.
  • These means each contain one end plate 19a, 19b in mutually associated ends of two pipe sections (eg, 3b and 4a) and in threaded bores of the end plates 19a, 19b rotatably arranged threaded bolts 20a and 20b.
  • the arrangement is similar to the threaded bolt 11 and end plates 12 of FIG. 1.
  • the two of the end plates 19a, 19b projecting ends of the threaded bolts 20a, 20b are connected to a in Fig.
  • FIG. 4 only schematically illustrated pivot 21, by means of which Angular position of the two pipe sections 3b and 4a can be varied continuously by relative pivoting about the axis of the rotary joint 21 within wide limits, as indicated in Fig. 4 by an arrow.
  • the connection described allows the support of formwork with z. B. trapezoidal outer cross sections. If a change in length of the square tubes 3 and / or 4 is required for this purpose, this can be effected independently of the spacing of the perforations 5 (FIG. 1) in that the threaded bolts 20a, 20b more or less deeply into the corresponding end plates 19a, 19b be screwed.
  • the hinge 21 may, for. B.
  • the reinforcing elements 7 in such a way that the introduced into them ends z.
  • the pipe sections 2a, 3a can be arranged at least limited with deviating from 90 ° positions.
  • FIG. 5 embodiment of a construction clamp according to the invention is based on the same solution principle, ie the use of square tubes 25 to 28, which are composed of telescopically nested pipe sections 25a, 25b to 28a, 28b and preferably fastening tabs 16 have. Different are here only for the connection of two square tubes 25 to 28th certain connecting means.
  • the tube sections 26a, 26b of the square tube 26 each have a receptacle 29 or 30 at their free ends.
  • the receptacles 29, 30 have the outer cross sections of the square tubes used corresponding inner cross sections.
  • the receptacle 29 is formed from a short piece of a square tube whose inner cross section corresponds to the outer cross section of the tube section 26b with the larger inner cross section
  • the receptacle 30 is formed from a short piece of a square tube, the inner cross section of the outer cross section of the pipe section 26a with the smaller internal cross section corresponds. This makes it possible, as indicated in Fig. 5 only schematically, the free end z. B.
  • the square tubes 25 to 28 are preferably all identical. Therefore, at the four corners of the frame surrounding the formwork, formed from the square tubes 25 to 28, a tube section with a small outer cross section (eg 26a or 28a) and a tube section with a large outer cross section (eg 27b and 25b) abut one another ,
  • the fastening straps 16 in the exemplary embodiment according to Figures 5 to 7 can optionally be mounted only on selected square tubes (eg 25, 27) or also on all square tubes 25 to 28, in which case the structural clamp consists of four identical parts.
  • Fig. 5 shows that the upper, designed as a safety bar square tube 28 are inserted in the production of horizontally arranged concrete beams only on the pipe sections 27a, 25b needs on which it can slide down by gravity to the stop on the formwork panels 14. A backup by the securing elements 31 is required only in the production of vertical concrete beams.
  • FIGS. 8 and 9 show an embodiment which largely corresponds to the embodiment of FIGS. 5 to 7.
  • only two square tubes 33 and 34 which come to lie above and below the formwork during assembly of the structural bracket, each have a receptacle 35 at the ends of their tubular sections 33a, 33b, 34a and 34b.
  • each profiles are provided which consist of integrally formed, straight square tubes 36 and 37 with preferably constant constant and the same outer cross sections. It is therefore possible to provide all the receptacles 35 with the same, the outer cross sections of the square tubes 36, 37 corresponding inner cross-sections and when assembling the bracket on the corresponding to FIG. 8 z.
  • Square tubes 33, 34 along the square tubes 36, 37 takes place as in the embodiment of FIGS. 5 to 7 with the aid of formed in the square tubes 36, 37 rows of holes 38, in the receptacles 35 of the square tubes 33, 34 formed holes 39 and not shown Securing elements, wherein a fixation of the upper, designed as a safety bar square tube 34 is required only in the production of a vertically arranged concrete beam.
  • the two square tubes 33, 34 can also be used for the lateral and the two square tubes 36, 37 also for the upper and lower support of the formwork.
  • the construction brackets described When using the construction brackets described is the common installation of arranged between these and the formwork squared timbers od. Like. Not required. Rather, the square tubes can be applied directly to the formwork panels 14 or the like. Depending on the length of the concrete beam to be produced, it is also possible to provide at predetermined intervals two or more construction brackets per concrete beam.
  • the invention is not limited to the described embodiments, which can be modified in many ways. In particular, it is clear that, depending on the lengths and cross sections of the concrete beams to be produced, several sets of square tubes with different wall thicknesses and cross sections can be provided in order to meet different static requirements.
  • connection means may be provided for the square tubes, in particular those which allow the quick and easy assembly of the structural bracket on the site in the manner of a quick connector.
  • connection means which allow a relative Winkelein- position of the square tubes.
  • 1, 5 and 8 show that a staple part composed of three square tubes (eg 1, 2 and 3) can always remain in the assembled state, since both the width and the height adjustment in the assembled state can be carried out and the U-shaped preassembled clamp part can always be placed on the formwork from the outside.
  • the number and the distances of the perforations 5 and 38 are largely freely selectable and the majority of perforations 5 could be provided in the pipe sections with the larger outer cross sections.

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)
  • Supports For Pipes And Cables (AREA)

Abstract

L'invention porte sur un clameau pour la fixation de coffrages pour poutres en béton. Le clameau comprend quatre profils pouvant être réunis pour former un cadre, sous la forme de tubes carrés (1 à 4) dont au moins deux présentent des premier et deuxième segments tubulaires (par exemple 1a, 1b) pouvant s'enfiler télescopiquement l'un dans l'autre  et pouvant coulisser l'un par rapport à l'autre. Les segments tubulaires (par exemple 1a, 1b) sont dotés de trous (5) qui sont conçus pour recevoir des éléments de fixation (6).
EP09717838A 2008-03-04 2009-03-03 Clameau pour la fixation de coffrages pour poutres en béton Withdrawn EP2268874A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE202008003080 2008-03-04
DE202008008013U DE202008008013U1 (de) 2008-03-04 2008-06-03 Schnell-Bau-Klammer
DE202008013267U DE202008013267U1 (de) 2008-03-04 2008-10-02 Schnell-Bauklammer
DE102009007473A DE102009007473A1 (de) 2008-03-04 2009-02-03 Bauklammer zur Fixierung von Schalungen für Betonträger
PCT/DE2009/000292 WO2009109175A1 (fr) 2008-03-04 2009-03-03 Clameau pour la fixation de coffrages pour poutres en béton

Publications (1)

Publication Number Publication Date
EP2268874A1 true EP2268874A1 (fr) 2011-01-05

Family

ID=39777953

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09717838A Withdrawn EP2268874A1 (fr) 2008-03-04 2009-03-03 Clameau pour la fixation de coffrages pour poutres en béton

Country Status (3)

Country Link
EP (1) EP2268874A1 (fr)
DE (2) DE202008008013U1 (fr)
WO (1) WO2009109175A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008008013U1 (de) 2008-03-04 2008-09-25 Bolte, Dieter Schnell-Bau-Klammer
DE102010011820B4 (de) 2010-03-18 2021-11-11 Schaeffler Technologies AG & Co. KG Planetenwälzgewindetrieb
CN102877644B (zh) * 2012-09-29 2014-08-20 山西八建集团有限公司 建筑模板夹具配套件
CN104088460A (zh) * 2014-07-22 2014-10-08 上海家树建筑工程有限公司 混凝土导墙浇捣模
CN108104467A (zh) * 2017-12-21 2018-06-01 云南省建设投资控股集团有限公司 一种混凝土构件模板定位架
CN113653345A (zh) * 2021-07-27 2021-11-16 中国建筑第八工程局有限公司 砌体墙砂浆铺灰器以及铺灰施工方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1020917A (fr) * 1950-06-20 1953-02-12 élément de coffrage et doffrage réglable pour la construction de poteaux en béton de diverses sections
GB993933A (en) * 1962-11-19 1965-06-02 Robert Katz Shuttering for casting a column
DE1868071U (de) 1963-01-10 1963-02-28 Betonbau G M B H Saeulenzwinge fuer das baugewerbe.
BE648327A (fr) 1963-05-23
US3795393A (en) 1971-12-03 1974-03-05 S Melfi Concrete form and clamp therefore
DE2302851C2 (de) 1973-01-20 1984-03-29 Ischebeck, Döpp & Co, 5828 Ennepetal Säulenzwinge für Betonschalungen
DE2611587A1 (de) 1976-03-19 1977-09-29 Ischebeck Fa Friedr Saeulenzwinge fuer betoneinschalungen
DE7905408U1 (de) 1979-02-27 1979-05-23 Schliephacke, Heinrich, Dipl.-Ing., 4030 Ratingen Zwinge zur herstellung von schalungen
DE3140024A1 (de) 1981-10-08 1983-04-21 Friedr. Ischebeck GmbH, 5828 Ennepetal Saeulenzwinge fuer betoneinschalungen
FR2544004A1 (fr) * 1983-04-06 1984-10-12 Audouard Claude Coffrage metallique articule pour linteaux beton de fenetre, porte-fenetre
FR2558507B1 (fr) * 1984-01-20 1988-06-17 Berry Coffrages pour poteaux a section rectangulaire
FR2631066A1 (en) * 1988-05-03 1989-11-10 Ricard Coffrages Tying device for formworking, and formwork for concrete stanchions
DE202008008013U1 (de) 2008-03-04 2008-09-25 Bolte, Dieter Schnell-Bau-Klammer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009109175A1 *

Also Published As

Publication number Publication date
WO2009109175A1 (fr) 2009-09-11
DE202008008013U1 (de) 2008-09-25
DE202008013267U1 (de) 2009-09-03

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