EP3670787A1 - Dispositif de support et procédé de montage d'un dispositif de support - Google Patents

Dispositif de support et procédé de montage d'un dispositif de support Download PDF

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Publication number
EP3670787A1
EP3670787A1 EP19217308.6A EP19217308A EP3670787A1 EP 3670787 A1 EP3670787 A1 EP 3670787A1 EP 19217308 A EP19217308 A EP 19217308A EP 3670787 A1 EP3670787 A1 EP 3670787A1
Authority
EP
European Patent Office
Prior art keywords
force transmission
force
section
support device
receiving section
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Withdrawn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
EP19217308.6A
Other languages
German (de)
English (en)
Inventor
David Saar
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.)
David Saar Handelsgesellschaft Ug Haftungsbeschraenkt
Original Assignee
David Saar Handelsgesellschaft Ug Haftungsbeschraenkt
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 David Saar Handelsgesellschaft Ug Haftungsbeschraenkt filed Critical David Saar Handelsgesellschaft Ug Haftungsbeschraenkt
Publication of EP3670787A1 publication Critical patent/EP3670787A1/fr
Withdrawn legal-status Critical Current

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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

Definitions

  • the invention relates to a support device with a force transmission element and two force introduction elements, each connected to the force transmission element at opposite ends of the force transmission element, wherein a force can be transmitted from one of the force introduction elements via the force transmission element along a force transmission direction of the support device to the opposite force introduction element.
  • support devices are used in building construction.
  • the support device can absorb a weight force instead of a wall element removed from the wall for the wall breakthrough.
  • a horizontal structure element such as a steel cross member, is usually fixed on two support devices in order to form a support frame that is open at the bottom.
  • Support devices used permanently for support in a building often have to be able to reliably support high weight forces. For this reason, such support devices are usually made from a steel beam, on the two ends of which steel plates are welded.
  • the steel beam extending over the entire height of the support device carries the introduced forces, the steel plates welded to the ends serving as force introduction elements and, for example, preventing undesired punching through of a loaded steel beam with a small cross-sectional area at its ends.
  • the support height of the required support device which is predetermined by the renovation work, is often only established after the wall breakthrough work has been completed.
  • the support device must be made to measure by welding a steel girder individually adjusted in length to the steel plates.
  • the supporting device is welded together in specialist welding companies in order to be able to ensure a sufficient static load-bearing capacity of the welding connections of the supporting device.
  • the preparation of the support device and its transportation to the location of the renovation work often delays the progress of the renovation work.
  • an individual production of a custom-made support device is complex and cost-intensive.
  • Height-adjustable support devices such as sprouts are intended and suitable for short-term use.
  • permanent use for supporting large weight forces in a building is generally not possible with the known height-adjustable support devices.
  • the force transmission element has a longer force transmission section and a shorter force transmission receiving section, one of the force introduction elements being connected to the force transmission section and the other force introduction element being connected to the force transmission receiving section, with the force transmission section being used from one force introduction element to the other when used as intended opposite force introduction element extends.
  • a force introduction element is preassembled or welded in advance on a free end of the force transmission section.
  • a force introduction element is preassembled or welded in advance on a free end of the force transmission receiving section.
  • the force transmission section extends from the force introduction element fastened at its free end to the other force introduction element arranged opposite and fastened to the force transmission receiving section, so that an uninterrupted force transmission is brought about by the force transmission section.
  • the force transmission receiving section only serves to reliably fix the force introduction element fastened thereon to the end of the force transmission section resting thereon.
  • the force transmission element of the support device can be carried out by shortening the force transmission section, which is expediently initially longer, to the support height specified or desired in the respective individual case.
  • the support device according to the invention can thus be adjusted quickly and easily at the respective place of use, for example on a construction site, in its support height.
  • the power transmission section can be shortened with a suitable separating device, for example with a circular saw or with an angle cutter.
  • a number of support devices with a maximum height, which is predetermined by the length of the power transmission section, which is usually longer than the power transmission receiving section, can be kept in stock on a construction site and, if necessary, can be adapted and installed at short notice to the respectively provided support height.
  • the support device can be inexpensively manufactured from standard parts and in large quantities and kept in stock. Surface treatments of the supporting device, such as hot-dip galvanizing, which may only be carried out after welding work can be carried out in advance, so that there are no delays in the construction work on site.
  • the support device can be stored, for example, with a possibly extensive branch network near the place of use.
  • the static resilience Support devices of different dimensions can be easily determined due to the use of the standard parts and, for example, can be documented in tabular form. In this way, complex calculations of the static load-bearing capacity of the support device by structural engineers can be dispensed with or, if necessary, made easier.
  • the support device is preferably made of a high-strength and weldable material such as a steel alloy or an aluminum alloy.
  • the force introduction element can be designed to be quickly and easily connectable to the respective section of the force transmission element.
  • the support device of the German industrial standard DIN 1090 is advantageously designed accordingly.
  • the support device is made of a fiber composite material.
  • the respective section of the force transmission element with the force introduction element connected to it can be designed and manufactured in one piece.
  • the force transmission section can be fixed in a form-fitting manner on the force transmission receiving section, so that a displacement of the force transmission section perpendicular to the force transmission direction is excluded. This ensures that the forces acting perpendicular to the direction of force transmission Power transmission section relative to the power transmission receiving section is not perpendicular to the power transmission direction.
  • the force transmission section and the force transmission receiving section are designed to be pluggable into one another along the force transmission direction.
  • the power transmission section is designed to be insertable into a recess in the power transmission receiving section that is adapted to it. It is also possible and optionally provided according to the invention that the power transmission receiving section can be inserted into the power transmission section.
  • the power transmission section can be, for example, a double-T beam and the power transmission receiving section can be a profile element adapted to the shape of the double-T beam.
  • the force transmission section and the force transmission receiving section are hollow profiles that can be plugged into one another.
  • the hollow profiles can have, for example, a round, square or rectangular cross-sectional area, the shape of the hollow profiles being matched to one another.
  • the hollow profiles can comply with the German industrial standard DIN 10219 or DIN 10210.
  • the force introduction elements comprise areas projecting beyond the force transmission element perpendicular to the direction of force transmission.
  • the force introduction elements can be designed in the form of a flange and have an edge region which projects laterally far beyond the force transmission element.
  • the force introduction elements can also already be prepared for the reception of separate fastening elements such as screws or bolts.
  • the two force introduction elements are each a flat plate.
  • the flat plates can be designed to be easily connectable to the sections of the force transmission element.
  • the support device can be quickly and easily arranged on the floor, on a ceiling or on other structural elements.
  • the plates can be dimensioned differently in order to be adaptable to differently dimensioned structural elements.
  • the plates can be made, for example, in material quality S 235 or S 355 according to European standard 10027.
  • the plates have plate recesses in the areas protruding from the force transmission element perpendicular to the direction of force introduction, so that the support device with fastening elements that can be arranged in the plate recesses can be set.
  • the force introduction elements In order to make the support device permanently statically loadable, provision is advantageously made for the force introduction elements to be firmly bonded to the force transmission element, preferably welded.
  • the welded connection between the sections of the force transmission element and the plates is advantageously made with fillet welds.
  • the fillet welds When using hollow profiles as sections of the force transmission element, the fillet welds are comparatively short compared to fillet welds on steel girders. As a result, the support device can be manufactured faster and more cost-effectively.
  • the portion of the force transmission element that is perpendicular to the direction of force introduction has fixing recesses, so that the force transmission portion on the force transmission receiving portion can be secured against shifting along the force transmission direction and possibly against rotation when used as intended.
  • the fixing recesses advantageously have internal threads, so that the Sections of the force transmission element can be fixed in a clampable manner with grub screws screwed through the fixing recess. It is also possible and optionally provided according to the invention that through the fixing recess arranged in the outer section of the force transmission element recesses can be made in the inner section of the force transmission element in order to subsequently secure the force transmission section with a fastening element on the force transmission receiving section.
  • the force transmission section together with a respective plate thickness of the two plates along the force transmission direction has a height of 225 cm to 325 cm, preferably from 250 cm to 300 cm and particularly preferably of 299 cm, the power transmission receiving section together with the plate thickness of the plate connected to the power transmission receiving section having a height of 125 cm to 225 cm, preferably 150 cm to 200 cm and particularly preferably 175 cm.
  • the invention also relates to a method for assembling a support device for use in a building, the Support device has a force transmission element and two force introduction elements each connected to the force transmission element at two opposite ends of the force transmission element, and wherein a force can be transmitted from one of the force introduction elements via the force transmission element along a force transmission direction of the support device to the opposite force introduction element.
  • two tubes which together form the force transmission element, are telescopically connected to one another.
  • a height adjustment of the power transmission element can usually be carried out by rotating the two tubes connected to one another in a threaded section connecting the two tubes or by positively locking the two tubes with the aid of locking means which usually engage laterally in the tubes.
  • the weight of an applied load to be transferred with the support device must then be transmitted via the threaded section or via the locking means between the two force introduction elements.
  • permanent use for supporting large weight forces in a building is generally not possible with the known height-adjustable support devices.
  • the force transmission element has a longer force transmission section and a shorter force transmission receiving section, one of the force introduction elements with the force transmission section and the other force introduction element is connected to the force transmission receiving section, the longer force transmission section being shortened to the intended distance between the two force introduction elements in a length adjustment step, and the shortened force transmission section in a subsequent one Assembly step is connected to the force transmission receiving section such that when the support device is used as intended, the force transmission section extends from the one force introduction element to the opposite force introduction element.
  • the shortening of the power transmission section to the specified length in the length adjustment step, and thus the length adjustment step, can take place on the basis of the length specifications determined on site, for example in a manufacturing company which can then deliver the support device according to the invention to the place of use in an already length-adjusted state.
  • the assembly step and the introduction of the preassembled support device into the building then take place on site. It is also possible and advantageous with regard to the quickest possible assembly of the support device according to the invention that the components required for the support device, usually a longer power transmission section and a shorter power transmission receiving section, are kept in stock and in each case with force introduction elements pre-assembled or welded onto the free ends If necessary, the length adjustment step and then the assembly step is carried out on site.
  • the longer power transmission section is shortened to the predetermined distance with the aid of a suitable separating device becomes.
  • a circular saw or an angle cutter for example, can be used as the separating device.
  • Such separating devices are required for most construction sites or renovation work for other work and are therefore usually available on site without these separating devices having to be provided separately for the length adjustment step.
  • the force transmission section is inserted into a recess in the force transmission receiving section which is adapted to it.
  • the power transmission receiving section is inserted into a recess in the power transmission section that is adapted to it. Since the force transmission section shortened to the correct length extends from the first force introduction element to the second force introduction element and thus over the entire length of the force transmission element, it is not necessary to support the force transmission section on the force transmission receiving section with separate measures or structural elements in order to support a weight force with the supporting device to be able to transfer or remove.
  • a simple connection technique that can be produced without separate tools can be selected or used.
  • a subsequent length adjustment of the support device is no longer necessary and usually not possible as long as the power transmission section and the power transmission receiving section are inserted into one another.
  • the interconnected power transmission section must be detached from the power transmission receiving section and separated from one another so that the power transmission section can then be shortened again with a renewed length adjustment step.
  • a subsequent extension of an excessively shortened support device is no longer possible with the same power transmission section.
  • the power transmission receiving section can continue to be used, while a new power transmission section is shortened to the correct length in a length adjustment step that is carried out again and then connected to the power transmission receiving section in an assembly step.
  • FIG. 1 An embodiment of a support device 1 according to the invention is shown schematically.
  • the support device 1 comprises a force transmission element 3 extending along a force transmission direction 2.
  • the force transmission element 3 is configured in two parts and has a force transmission section 4 and a force transmission receiving section 5.
  • the power transmission section 4 and the power transmission receiving section 5 are produced in the embodiment of the support device 1 shown here from hollow profiles with a round cross-sectional area.
  • the force transmission section 4 and the force transmission receiving section 5 are each connected at their free ends to a force introduction element 6.
  • the two force introduction elements 6 are designed as flat plates 7 with a rectangular base surface, wherein plates with a round, oval or also arbitrarily shaped base surface are possible.
  • the plates 7 have plate recesses 8 through which the support device 1 can be fastened, for example, to the floor, to the ceiling or to another supporting element with fastening elements (not shown).
  • the plates 7 have a predetermined plate thickness 9 in order to have sufficient mechanical strength for the intended introduction of force.
  • the local to the provided support height adapted and correspondingly shortened power transmission section 4 extends from one plate 7, which is welded to its free end, to the other plate 7, on which the shortened end of the power transmission section 4 stands directly.
  • a length 10 of the power transmission section 4 is greater than a length 11 of the power transmission receiving section 5.
  • a support height 12 of the support device 1 can easily be within a variation range 13, which is predetermined by the different lengths 10 and 11 of the power transmission section 4 and the power transmission receiving section 5 only shortening of the power transmission section 4 is specified and adapted to the needs on site. If a lower support height 12 is required, both sections of the force transmission element 3, the force transmission section 4 and the force transmission receiving section 5 can each be shortened appropriately.
  • the power transmission section 4 is designed to be insertable into the power transmission receiving section 5.
  • the power transmission receiving section 5 has fixing recesses 14. With the fixing recesses 14, the force transmission section 4 can be secured on the force transmission receiving section 5 against undesired displacement, for example rotation or slipping out during transport or the erection of the support device on site.
  • Fig. 2 is a section perpendicular to the direction of force transmission 2 through one of the fixing recess 14 of the in Fig. 1 support device 1 shown schematically.
  • the force transmission section 4 is secured with a grub screw 15 screwed through an internal thread of the fixing recess 14.
  • An inner diameter 16 of the power transmission receiving section 5 is larger than an outer diameter 17 of the power transmission section 4, which is pushed along the power transmission direction 2 into the power transmission receiving section 5.
  • Fig. 3 An alternative embodiment of the support device 1 according to the invention is shown.
  • the force transmission section 4 and the force transmission receiving section 5 are designed as rectangular profile elements.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP19217308.6A 2018-12-20 2019-12-18 Dispositif de support et procédé de montage d'un dispositif de support Withdrawn EP3670787A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018107356.7U DE202018107356U1 (de) 2018-12-20 2018-12-20 Stützvorrichtung

Publications (1)

Publication Number Publication Date
EP3670787A1 true EP3670787A1 (fr) 2020-06-24

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ID=68944501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19217308.6A Withdrawn EP3670787A1 (fr) 2018-12-20 2019-12-18 Dispositif de support et procédé de montage d'un dispositif de support

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EP (1) EP3670787A1 (fr)
DE (1) DE202018107356U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109267B (zh) * 2021-11-12 2023-04-18 贵州建工集团第一建筑工程有限责任公司 一种锚索成孔施工垫具及锚索成孔施工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504291A (en) * 1945-07-18 1950-04-18 Brainard Steel Company Telescopic and adjustable building support
FR1149059A (fr) * 1954-09-23 1957-12-19 Beka St Aubin A G étai métallique réglable
EP0493184A1 (fr) * 1990-12-24 1992-07-01 Bernard Ottenwaelder Perfectionnement aux étais tubulaires télescopiques
WO1998051886A1 (fr) * 1997-05-16 1998-11-19 Etablissement Nanicoba Etai

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1049858A (en) * 1962-09-12 1966-11-30 David Roberts & Company Engine Improvements relating primarily to scaffolding but also to shoring
DE7209638U (de) * 1972-03-14 1972-06-15 Mayfeld F Baustuetze
EP0625622A1 (fr) * 1993-05-17 1994-11-23 Müller & Baum GmbH & Co. KG Etai télescopique
DE202015002187U1 (de) * 2015-03-24 2015-06-16 Helmut Pohlmüller Stütze und Klemmteile zum Montieren von Bauelementen, insbesondere im Trockenbau und für die Überkopfmontage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504291A (en) * 1945-07-18 1950-04-18 Brainard Steel Company Telescopic and adjustable building support
FR1149059A (fr) * 1954-09-23 1957-12-19 Beka St Aubin A G étai métallique réglable
EP0493184A1 (fr) * 1990-12-24 1992-07-01 Bernard Ottenwaelder Perfectionnement aux étais tubulaires télescopiques
WO1998051886A1 (fr) * 1997-05-16 1998-11-19 Etablissement Nanicoba Etai

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DE202018107356U1 (de) 2020-03-23

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