EP0242705A2 - Etai en tube d'acier à descente rapide - Google Patents

Etai en tube d'acier à descente rapide Download PDF

Info

Publication number
EP0242705A2
EP0242705A2 EP87105179A EP87105179A EP0242705A2 EP 0242705 A2 EP0242705 A2 EP 0242705A2 EP 87105179 A EP87105179 A EP 87105179A EP 87105179 A EP87105179 A EP 87105179A EP 0242705 A2 EP0242705 A2 EP 0242705A2
Authority
EP
European Patent Office
Prior art keywords
bolt
tube
steel
thread
support
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.)
Granted
Application number
EP87105179A
Other languages
German (de)
English (en)
Other versions
EP0242705A3 (en
EP0242705B1 (fr
Inventor
Klaus Hagemes
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-ROERO GESELLSCHAFT MIT BESCHRAENKTER HA
Original Assignee
Huennebeck-Roro GmbH
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-Roro GmbH, Huennebeck GmbH filed Critical Huennebeck-Roro GmbH
Publication of EP0242705A2 publication Critical patent/EP0242705A2/fr
Publication of EP0242705A3 publication Critical patent/EP0242705A3/de
Application granted granted Critical
Publication of EP0242705B1 publication Critical patent/EP0242705B1/fr
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
    • 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
    • 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
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • E04G25/063—Shores or struts; Chocks telescopic with parts held together by positive means by pins with safety devices to avoid the accidental loss or unlocking of the pin, e.g. chains attaching the pin to the prop
    • 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
    • E04G25/066—Shores or struts; Chocks telescopic with parts held together by positive means by a wedge

Definitions

  • the invention relates to a tubular steel support for slab formwork or the like, which has two telescopically inserted tubes, of which the outer one has a thread at the insertion end, with an elongated hole extending in the direction of the longitudinal axis of the support and penetrating it in the radial direction being provided in the region of the thread is through which, and at the same time through a hole provided in the inserted tube, a bolt is to be inserted, which can be supported on a threaded sleeve screwed onto the thread of the outer tube.
  • Steel pipe supports of this type are widely used, in particular in concrete construction for formwork for ceilings or the like. It is known (DE-GM 84 21 204), for the purpose of so-called quick lowering between the threaded sleeve and the bolt inserted through the two tubes to arrange a freely rotatable bushing, the edge of which faces the bolt in the form of a cam surface with bearing surfaces located at different heights is formed on which the bolt is supported with its two ends protruding from the steel tube support. The bolt rests on the higher contact surfaces for formwork and during the formwork time.
  • the bushing is rotated by approximately 90 ° so that the bolt can slide down onto the lower contact surfaces and accordingly the head of the steel pipe support from the formwork is free.
  • the socket provided for this type of quick lowering cannot be retrofitted to already existing telescopic steel pipe supports because, according to new regulations, the two pipes of a steel pipe support must be captively connected to one another, i.e. they must not be pulled apart can, so that the socket can no longer be plugged on.
  • the invention has for its object to simplify the quick lowering and at the same time to create the possibility to equip already assembled tubular steel supports with a simple and inexpensive quick lowering.
  • This object is achieved in that the inserted through the aligned holes of the telescopically put together two tubes of the steel tube support and supported on the threaded sleeve two bolts at different radial distances from its longitudinal axis and at a mutual distance from each other for the inserted tube which the pipe can rest on, depending on which position of the inserted pipe is desired.
  • no additional component is required for the quick lowering according to the present invention. Rather, only a modification of the bolt to be inserted is required, so that no additional component is required for the quick lowering and already completed steel pipe supports can be equipped with the quick lowering according to the invention without any problems, because for this purpose only the bolt required anyway has to be replaced.
  • the bolt designed for rapid lowering has between its ends two depressions which are at a distance from the diameter of the inserted tube of the steel tube support and which are at least as wide as the wall thickness of the tube.
  • the depressions can be attached, for example, eccentrically to the longitudinal axis of the bolt.
  • the bolt can have slightly inclined planes leading into the depressions. With a hammer blow on one end of the bolt protruding from the steel tube support, it can be easily adjusted from the month position to the position desired for quick lowering.
  • the bolt has at one end a stop limiting its insertion depth, for example a nose that lies against the outside of the threaded sleeve. This ensures that the position desired for the normal operating position can be set precisely, although the actual support areas, which are located within the tubular steel support, are practically invisible from the outside.
  • a steel tube support 1 of which only the upper area is shown in the drawing, has an outer tube 2 and an inner tube 3, which is inserted into it and can be telescopically extended and retracted, which is provided with a head plate 4 at the outer end.
  • this steel tube support can also be used in the reverse position, so that the plate 4 then rests as a foot on the floor, while a similar plate attached to the outer end of the tube 2, not shown in the drawing, serves as the head plate.
  • a tubular extension 5 with an external thread 6 is fastened thereon, onto which a threaded sleeve 7 is screwed.
  • the extension 5 contains an elongated hole 8 extending in the direction of the longitudinal axis of the steel tube support 1, through which a bolt 9 can be inserted which is supported on the threaded sleeve 7.
  • the inner tube 3 is provided with a number of holes 10 arranged at an axial distance from one another and penetrating it in the radial direction, through which the bolt 9 can be inserted.
  • one of the holes 10 of the inner tube 3 is brought into the area of the elongated hole 8 and the bolt is then inserted.
  • the threaded sleeve 7 is then rotated on the thread 6 until the plate 4 is at the desired height.
  • the bolt 9 has on one side two depressions 11 and 12 which are provided at a distance from one another which corresponds to the diameter of the inner tube 3 and which have a width which is greater than the wall thickness of the tube 3.
  • the depressions 11 and 12 are arranged eccentrically from the bolt 9 in the illustrated embodiment.
  • an eye 13 is arranged through which a wire ring 14 is inserted, which is guided around the tube 2 in order to captively connect the bolt 9 to the tube support 1 and to prevent the bolt from being reversed, namely with the recesses 11 and 12 facing the threaded sleeve 7, can be inserted.
  • the eye 13 is provided with an extension in the form of a web 15 which extends in the longitudinal direction of the bolt 9 on the outside thereof and forms a stop with which the insertion depth of the bolt 9 is limited.
  • the web 15 lies against the inserted tube 3 when the bolt 9 is inserted into the normal operating position, in which the inner tube 3 is supported on bolt sections 9a and 9b next to the depressions 11 and 12.
  • These bolt sections 9a and 9b can be slightly beveled in the direction of the associated recess 11 and 12, respectively, in order to facilitate the sliding movement between the bolt 9 and the tube 3 lying on it when lowering the inner tube 3.
  • the depressions 11 and 12 do not need to be particularly deep, so that they hardly weaken the load-bearing cross section of the bolt, because it is sufficient for the quick lowering to remove the pressure acting on the threaded sleeve 7 via the plate 4.
  • the threaded sleeve 7 is turned back, which is possible without any special effort as soon as the support pressure acting on it is released.
  • the depressions 11 and 12 are arranged eccentrically.
  • the web 15 forming the stop is provided opposite the recesses 11 and 12 on the outside of the bolt 9, so that when inserting the bolt one only has to take care that the web 15 points upwards to ensure that when the bolt 9 is pushed back the desired reduction is achieved. This is ensured if the web, as shown in FIG. 1, projects into the elongated hole 8 of the outer tube 2.

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)
EP87105179A 1986-04-18 1987-04-08 Etai en tube d'acier à descente rapide Expired - Lifetime EP0242705B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3613075 1986-04-18
DE3613075A DE3613075C1 (de) 1986-04-18 1986-04-18 Stahlrohrstuetze mit Schnellabsenkung

Publications (3)

Publication Number Publication Date
EP0242705A2 true EP0242705A2 (fr) 1987-10-28
EP0242705A3 EP0242705A3 (en) 1988-08-03
EP0242705B1 EP0242705B1 (fr) 1990-11-07

Family

ID=6298960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105179A Expired - Lifetime EP0242705B1 (fr) 1986-04-18 1987-04-08 Etai en tube d'acier à descente rapide

Country Status (5)

Country Link
US (1) US4752057A (fr)
EP (1) EP0242705B1 (fr)
JP (1) JPH0668218B2 (fr)
DE (2) DE3613075C1 (fr)
ES (1) ES2018494B3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8029539B2 (en) 2007-12-19 2011-10-04 X-Spine Systems, Inc. Offset multiaxial or polyaxial screw, system and assembly

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727780C2 (de) * 1987-08-20 1996-08-29 Thyssen Huennebeck Gmbh Stahlrohrstütze für Deckenschalungen oder dergleichen
US4868943A (en) * 1988-07-11 1989-09-26 Robichaud Allen J Combination tool for wallboard and insulation applications
DE3910344A1 (de) * 1989-03-30 1990-10-04 Peri Werk Schwoerer Kg Artur Laengenveraenderliche teleskopstuetze
NL9000711A (nl) * 1990-03-26 1991-10-16 Petrus Johannes Lambertus De L Schroefstempel voor het ondersteunen van bekistingen in de bouw.
BE1005249A3 (nl) * 1991-01-28 1993-06-08 Cometal Nv Schoor.
JPH04125346U (ja) * 1991-05-02 1992-11-16 中央ビルト工業株式会社 パイプ支柱支持具
GB2271802B (en) * 1992-10-26 1995-12-13 Sgb Holdings Ltd Improvements in or relating to a scaffolding prop
US5310153A (en) * 1993-04-26 1994-05-10 Jackson George W Quick release washer for a shoring post
US5590863A (en) * 1993-11-12 1997-01-07 Sasaki; Mitsuo Support
US5522642A (en) * 1995-02-13 1996-06-04 Herzog; William E. Folding seating with selectively extendable legs
EP0957217A1 (fr) 1998-05-11 1999-11-17 Thyssen Hünnebeck GmbH Etai pour coffrage de dalles à décoffrage instantané
CA2416644C (fr) 2003-01-20 2010-07-20 Paul Gillespie Table coffrante a beton
US7717943B2 (en) 2005-07-29 2010-05-18 X-Spine Systems, Inc. Capless multiaxial screw and spinal fixation assembly and method
US7922016B1 (en) * 2006-02-23 2011-04-12 Rev-A-Shelf Company, Llc Rotary shelf system
US20070252067A1 (en) * 2006-04-26 2007-11-01 Wade Lee Locking Latch for Telescoping Tripod
US20070264076A1 (en) * 2006-05-12 2007-11-15 Mccracken Robert Load release pin for concrete shoring apparatus
US8398038B2 (en) * 2009-11-30 2013-03-19 The United States Of America As Represented By The Secretary Of The Navy Wheel support
WO2012027356A1 (fr) 2010-08-23 2012-03-01 Titan Formwork Systems, Llc Poteau d'étayage doté d'un support de poutre complémentaire
DE102011122065A1 (de) * 2011-12-22 2013-06-27 Peri Gmbh Gegenseitige , lösbare verbindung zweier stützenabschnitte einer längenveränderlichen baustütze
US9510683B1 (en) 2015-06-19 2016-12-06 Michael D. Sharp Folding chair with inflatable seat
CN106223604A (zh) * 2016-08-31 2016-12-14 中冶天工集团有限公司 45°坡屋面混凝土的模板支撑调节装置
US10053877B2 (en) * 2016-09-19 2018-08-21 Michael L. Lenkin Adjustable support device and shoring system
US10914088B2 (en) * 2018-11-21 2021-02-09 Doka Gmbh Telescopic support prop and locking pin
GB2612285A (en) * 2021-04-21 2023-05-03 Abbey Pynford Holdings Ltd Improvements relating to foundation rafts
US11987999B2 (en) * 2021-07-14 2024-05-21 Brand Shared Services Llc Support head with quick release for formwork system
EP4370757A1 (fr) * 2021-07-14 2024-05-22 Brand Shared Services Llc Tête de maintien à libération rapide pour système de coffrage
US11834804B1 (en) * 2022-09-01 2023-12-05 Tom Malloy Corporation Retainer plate and retention pin for trench shoring securement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1818220U (de) * 1958-09-12 1960-09-15 Bernhard Schwarz Gerueststaenderfuss.
US3870268A (en) * 1973-04-30 1975-03-11 Sam Larkin Shoring apparatus
DE8421204U1 (de) * 1984-07-16 1984-10-11 Hünnebeck GmbH, 4030 Ratingen Stahlrohrstuetze fuer deckenschalungen od. dgl.
DE3414263A1 (de) * 1984-04-14 1985-10-24 Friedr. Ischebeck GmbH, 5828 Ennepetal Baustuetze, insbesondere unterzugstaender

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1505443A (en) * 1923-04-09 1924-08-19 Hampton A Stone Lifting device
US2504291A (en) * 1945-07-18 1950-04-18 Brainard Steel Company Telescopic and adjustable building support
CH266592A (de) * 1948-08-31 1950-02-15 Kueng Hans Vorrichtung zur Höhenverstellung eines Sitzes mit zentraler Sitzstütze, insbesondere an Bürostühlen.
US2617620A (en) * 1950-01-19 1952-11-11 Frank W Jessop Adjustable shore
NL80573C (fr) * 1951-04-30
FR1139841A (fr) * 1955-12-14 1957-07-05 Loeb Ets Perfectionnements aux étais télescopiques
CH408382A (de) * 1963-02-19 1966-02-28 Haering Theodor Steckbolzen
US4042202A (en) * 1976-05-13 1977-08-16 Molinari Delmo C Jack stand with safety locking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1818220U (de) * 1958-09-12 1960-09-15 Bernhard Schwarz Gerueststaenderfuss.
US3870268A (en) * 1973-04-30 1975-03-11 Sam Larkin Shoring apparatus
DE3414263A1 (de) * 1984-04-14 1985-10-24 Friedr. Ischebeck GmbH, 5828 Ennepetal Baustuetze, insbesondere unterzugstaender
DE8421204U1 (de) * 1984-07-16 1984-10-11 Hünnebeck GmbH, 4030 Ratingen Stahlrohrstuetze fuer deckenschalungen od. dgl.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8029539B2 (en) 2007-12-19 2011-10-04 X-Spine Systems, Inc. Offset multiaxial or polyaxial screw, system and assembly
US8480714B2 (en) 2007-12-19 2013-07-09 X-Spine Systems, Inc. Offset multiaxial or polyaxial screw, system and assembly
US9198691B2 (en) 2007-12-19 2015-12-01 X-Spine Systems, Inc. Offset multiaxial or polyaxial screw, system and assembly

Also Published As

Publication number Publication date
DE3765984D1 (de) 1990-12-13
DE3613075C1 (de) 1987-07-02
ES2018494B3 (es) 1991-04-16
US4752057A (en) 1988-06-21
EP0242705A3 (en) 1988-08-03
JPS62296065A (ja) 1987-12-23
EP0242705B1 (fr) 1990-11-07
JPH0668218B2 (ja) 1994-08-31

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