EP0761908B1 - Stütze, insbesondere Deckenstütze für Bauzwecke - Google Patents

Stütze, insbesondere Deckenstütze für Bauzwecke Download PDF

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Publication number
EP0761908B1
EP0761908B1 EP96111218A EP96111218A EP0761908B1 EP 0761908 B1 EP0761908 B1 EP 0761908B1 EP 96111218 A EP96111218 A EP 96111218A EP 96111218 A EP96111218 A EP 96111218A EP 0761908 B1 EP0761908 B1 EP 0761908B1
Authority
EP
European Patent Office
Prior art keywords
hole
region
moulding
support
strut
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.)
Expired - Lifetime
Application number
EP96111218A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0761908A1 (de
Inventor
Wolfgang Ing. Welser
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.)
Welser Profile AG AT
Original Assignee
Welser Profile AG AT
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 Welser Profile AG AT filed Critical Welser Profile AG AT
Publication of EP0761908A1 publication Critical patent/EP0761908A1/de
Application granted granted Critical
Publication of EP0761908B1 publication Critical patent/EP0761908B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/02—Stabbing or piercing, e.g. for making sieves
    • 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 support, in particular ceiling support for construction purposes, with two telescoping relative to each other Support elements that have a pin / hole connection can be locked against at least one load direction, the hole friction of the holes of at least one support element compared to an adjacent profile thickness of the respective Support element is widened. Furthermore, the Invention on a method according to claim 4 and an apparatus to this end according to claim 8.
  • Such supports usually consist of a tubular inner support element and a tubular outer support element, in which the inner support element is telescopic is. Is located on the outer circumference of the outer support element at least in some areas a thread and axially parallel to the thread two elongated holes arranged opposite each other. On the thread a support ring is screwed on to support a pin bolts inserted through the two elongated holes. The inner support member has holes at a predetermined distance through which the pin bolt can be inserted. The entire support is then finely adjusted by turning it of the support ring. With such supports, two factors play a role a crucial role. On the one hand you want the supports build as light as possible so they are easy to use are.
  • This object is achieved in that the widening the soffit by punching one on the load side of the hole formed on one side support lug is, the support surface substantially in shape to one corresponding embrasure area of the hole is adapted.
  • the invention artificially compresses is generated in the load area of the reveal, as in Use of the supports under too high embrasure pressure or as normal "aging" would arise.
  • the invention has the enormous advantage that the broadening the reveal is only on the side of the hole where the Force is transmitted.
  • For floor props for construction purposes with one-sided Direction of load is usually the upper area of the hole because of this due to the load from above presses on the pin bolt. Unlike such damage, where the hole takes on an oval shape over time and the pin bolt thus has play shows in the invention of the hole to an exact shape, which is a recording allows with little play of the pin bolt.
  • the holes can be circular and Support nose have a sickle shape adapted to it, which is technically easiest to implement and for the Is the cheapest type of load.
  • the support made of metal is particularly simple, preferably Steel, because there is a particular possibility here the support element from a strip material by punching and To produce bending or rolling processes.
  • the process is characterized by its simplicity.
  • a deliberate burr is formed on the support nose.
  • This one-sided protruding burr can then in a subsequent stamping process be pressed into the desired shape of the support nose.
  • the real idea of this invention is that one deliberately unfavorable at one point of the hole to be punched Punching conditions created that lead to the formation of an otherwise unwanted Ridges.
  • Process steps a) and b) can advantageously be carried out by the same form stamp can be carried out, which means in one operation the hole is formed with the support lug.
  • the quality of the hole and the dimensional accuracy of the support surface can increase in one variant in another Method step a calibration of the hole at least in Area of the load side and the support surface.
  • the device comprises a die and one in an opening the die retractable die for punching the hole from a workpiece, being between the opening and a Punching area of the die in the area of the later load side the reveal of the hole to be punched to form a predetermined ridge provided a predetermined game is, and an embossing device for reshaping the burr into a Support nose with a support surface that is essentially accurate in shape adapted to a corresponding embrasure area of the hole is.
  • the embossing device can be as above the Stamping area formed on the stamping stamping area be the ridge in one at the top during the embossing process Forming recess arranged in the edge of the opening in the die for forming the prop nose presses in.
  • This offers the Possibility by reducing the game between opening the Die and die stamp to carry out the embossing process.
  • the ridge can then be inserted into the mold cavity, which has the exact look the column nose are pressed in defined. The reduction the game can conveniently take place continuously.
  • a calibration device can be used to improve the dimensional accuracy be provided, the at least the hole in the workpiece in Area of the load side and the support surface calibrated.
  • the calibration device in another variant as Calibration area arranged above the embossing area on the stamp is designed with a calibration knife. In a all three molding processes (stamping, Embossing and calibration) in a single operation using the carried out the same form stamp.
  • the mold trough seen in plan view, can act on the opening has a sickle shape. This can be particularly easy to manufacture and guarantees a snug fit the support nose to the hole.
  • the form stamp is in one Spring-loaded guide plate arranged above the die arranged.
  • the guide plate is guaranteed by the spring load a clean pressing on the workpiece, even if this has slightly different thickness dimensions. At the workpiece can be relieved accordingly, in particular Band material to be advanced.
  • the cross-sectional area of a support shown in FIG they are used to support formwork in construction used shows the essential components.
  • the Support comprises a tubular outer support element 1 which stands up with his foot, not shown, on the floor and has a threaded section 2 at its upper end region, a telescopic, tubular inner support element 3, which from the upper end of the lower support element 1 protrudes and with a support head, not shown, on his upper end with the corresponding element to be supported in System can be brought, and one transverse to the support elements 2, 3 through these push-through pins 4.
  • For pushing through the pin 4 includes the lower support member 1 in its threaded section 2 two oppositely arranged Elongated holes 5.
  • the inner support element 3 has several holes 6, of which two are always in alignment and where the distance of the holes 6 to the next hole pair in the axial direction seen is smaller than the length of the threaded section 2. Furthermore, a support ring 7 is on the threaded section 2 screwed, against which the pin bolt 4 relative to supports the lower support element 1.
  • the holes 6 are only on the through the direction of loading
  • a predetermined load side 8 with a hole reveal the hole 6 widening support nose 9 provided.
  • Figures 2 to 4 now show in detail the formation of a hole 6 in upper support element 3.
  • the support lug 9 stands inside of the support element 3 and has a plan view hole 6 has a sickle shape adapted to it. In cross section seen the support nose 9 is approximately triangular.
  • the user of the support places it in a suitable place on the lower foot, not shown, and removed by Holding the upper support element 3 the pin bolt 4.
  • a suitable one Hole pair 6 selected.
  • the pin bolt 4 is through the elongated hole 5 and the holes 6 for locking the support elements 1, 3 inserted.
  • the support is now loaded in the load direction A, so that the force on the loading side 8 of the hole 6 on the pin bolt 4 and from there on the support ring 7 the lower support element 1 is transmitted.
  • the upper support element 3 is relatively thin-walled in a lightweight construction can be carried out, the load side 8 of the hole 6th has been reinforced by the support nose 9.
  • the size of the support surface 10 is chosen so that the enlarged reveal is the can withstand the greatest pressures at this point. This is done no "aging" of the hole 6, making it a perfect fit circular shape is preserved.
  • the game between pin bolts 4 and hole 6 is therefore approximate, even with frequent use constant. What should be highlighted in this construction, that the cost of materials for generating the support nose 9 relative is small, so that the weight compared to previously used Columns can be significantly reduced.
  • FIGS. 5 to 14 An embodiment is described below with reference to FIGS. 5 to 14 a device and a method for the production of a hole 6 with a support nose 9 explained in more detail.
  • the embodiment of the device essentially comprises a die 11 with an opening 12, a guide plate 14 supported by compression springs 13 and a die 16 guided displaceably in a guide opening 15 of the guide plate 14.
  • the guide plate 14 can be lifted off the die 11 Position the tape material 17 between these two and move it forward.
  • the strip material 17, which is preferably made of sheet steel, is then rolled into the shape of the corresponding support element 1, 3 in a further operation.
  • the die 16 has at its lower end a chamfered stamping area 18, an embossing area 19 arranged directly above it and a calibration area 20 above it.
  • the punching area 18 has a cross section somewhat compressed on one side, which, however, is otherwise adapted to the shape of the upper diameter D M of the opening 12 of the die 11.
  • a crescent-shaped trough 21 is provided, which essentially corresponds to the shape of the support nose 9 to be formed.
  • FIG. 12 it can be seen that the punching area 18 of the shaping punch 16 penetrates into the strip material 17 and that the material for obtaining the hole 6 is already partially punched out. At the same time, a burr 26 is formed by the clearance S between the punching area 18 and the diameter D M of the opening 12, which ridge is partially pressed into the mold cavity 21. On the opposite side, the only slight play between the punching area 18 and the opening 12 results in a clean punching without any significant burr formation.
  • the embossing area 19 comes with the Burr in contact and by reducing the game S the Burr 26 substantially in shape in the mold cavity 21 for training the support nose 9 pressed.
  • the material section 27 is already completely from the band material 27 Cut.
  • the calibration cutting edge 23 is used as for calibration usual, a small chip removal.
  • the die 16 moves again in its raised position so that it is completely out of range of the strip material 17 moves out.
  • the Pressure springs 13 relieved, so that the guide plate 14 also is raised.
  • the strip material 17 can now be used accordingly to form a further hole 6 with support lug 9 moved forward and then by means of the guide plate 14 the compression springs 13 are clamped again.
  • This method allows the production of a corresponding one Hole 6 with support nose 9 in a single operation, whereby the manufacturing time of the hole formation according to the invention the manufacturing time of a hole previously known Column elements do not differ.
  • the tape material 17 is then rolled into the shape of the support element 3. It is again emphasizes at this point that however the weight saving, which is achieved through this training, very high is.
  • This invention is not only applicable to building supports, but basically for all metallic components that have a To connect the pin / hole connection with another component are.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Tents Or Canopies (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Connection Of Plates (AREA)
  • Punching Or Piercing (AREA)
EP96111218A 1995-09-07 1996-07-11 Stütze, insbesondere Deckenstütze für Bauzwecke Expired - Lifetime EP0761908B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19533110A DE19533110A1 (de) 1995-09-07 1995-09-07 Stütze, insbesondere Deckenstütze für Bauzwecke
DE19533110 1995-09-07

Publications (2)

Publication Number Publication Date
EP0761908A1 EP0761908A1 (de) 1997-03-12
EP0761908B1 true EP0761908B1 (de) 2000-10-18

Family

ID=7771536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111218A Expired - Lifetime EP0761908B1 (de) 1995-09-07 1996-07-11 Stütze, insbesondere Deckenstütze für Bauzwecke

Country Status (8)

Country Link
EP (1) EP0761908B1 (da)
AT (1) ATE197083T1 (da)
DE (2) DE19533110A1 (da)
DK (1) DK0761908T3 (da)
ES (1) ES2152456T3 (da)
GR (1) GR3035157T3 (da)
NO (1) NO308113B1 (da)
PT (1) PT761908E (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9920541B2 (en) 2013-08-02 2018-03-20 Peri Gmbh Scaffolding pipe of a structural scaffolding system and scaffolding element

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112010002604A5 (de) * 2009-06-10 2012-08-23 Robert Vollmer Vorrichtung zum Herstellen einer Scherfolie für einen Rasierapparat, eine solcheScherfolie und solcher Rasierapparat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB351247A (en) * 1930-06-24 1931-06-25 Albert Herbert Dixon Improvements in and relating to methods of making shredders
DE572718C (de) * 1931-09-15 1933-03-11 Artur Burkhardt Verfahren und Vorrichtung zur Herstellung konischer Durchbrechungen bzw. Einschnitte in Platten o. dgl.
US3010126A (en) * 1958-05-26 1961-11-28 Gen Electric Method and apparatus for forming internal threads by swaging
US3685336A (en) * 1970-08-24 1972-08-22 William Hill Black Jr Punching tool for producing connector nail plates
US3913420A (en) * 1974-06-12 1975-10-21 James A Coon Method and means for making file teeth
US4184355A (en) * 1974-09-11 1980-01-22 Hidaka Engineering Co., Ltd. Method and a punch/die assembly for the production of heat exchanger fins
DE2934102C2 (de) * 1979-08-23 1982-05-27 Friedr. Ischebeck GmbH, 5828 Ennepetal Baustrebe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9920541B2 (en) 2013-08-02 2018-03-20 Peri Gmbh Scaffolding pipe of a structural scaffolding system and scaffolding element

Also Published As

Publication number Publication date
ATE197083T1 (de) 2000-11-15
NO308113B1 (no) 2000-07-24
DK0761908T3 (da) 2001-01-02
NO962961D0 (no) 1996-07-15
ES2152456T3 (es) 2001-02-01
PT761908E (pt) 2001-03-30
NO962961L (no) 1997-03-10
DE19533110A1 (de) 1997-03-13
DE59606014D1 (de) 2000-11-23
GR3035157T3 (en) 2001-04-30
EP0761908A1 (de) 1997-03-12

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