WO2006111603A1 - Échafaudage mobile - Google Patents

Échafaudage mobile Download PDF

Info

Publication number
WO2006111603A1
WO2006111603A1 PCT/FI2005/050433 FI2005050433W WO2006111603A1 WO 2006111603 A1 WO2006111603 A1 WO 2006111603A1 FI 2005050433 W FI2005050433 W FI 2005050433W WO 2006111603 A1 WO2006111603 A1 WO 2006111603A1
Authority
WO
WIPO (PCT)
Prior art keywords
scaffold
tubular
movable
bottom end
wheel
Prior art date
Application number
PCT/FI2005/050433
Other languages
English (en)
Inventor
Usko Kettunen
Original Assignee
Usko Kettunen
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 Usko Kettunen filed Critical Usko Kettunen
Priority to US11/909,582 priority Critical patent/US20100018804A1/en
Priority to EP05813166A priority patent/EP1875014A4/fr
Publication of WO2006111603A1 publication Critical patent/WO2006111603A1/fr
Priority to NO20073991A priority patent/NO20073991L/no

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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E04G2001/242—Scaffolds movable on wheels or tracks
    • 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
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
    • E04G2001/248—Inclined struts

Definitions

  • This invention relates to a movable scaffold as set forth in the preamble of claim 1.
  • the scaffold has its vertical adjustment elements consisting of adjustable legs not allowing for a displacement of the scaffold during or after the adjustment procedure.
  • the disengagement/engagement of adjustment in rough terrain causes the scaffold to topple over.
  • An object of the invention is to eliminate this drawback and to provide a scaffold capable of being displaced as well as adjusted from four corners simultaneously even in terrain with major height differences.
  • the scaffold is safe during its displacement, nor does it topple over.
  • this object can be accomplished with a scaffold which is characterized by what is set forth in the characterizing clause of claim 1.
  • Fig. 1 shows schematically one scaffold of the invention in erected condition
  • Fig. 2 shows one structural element for the scaffold of fig. 1, and
  • Fig. 3 shows in more detail one vertical adjustment mechanism useful in a scaffold of the invention.
  • a scaffold 20 shown in fig. 1 comprises tubular corner members 1, which are connected to each other at the ends of the scaffold by means of substantially horizontal tubular cross-members 2, preferably by welding, thus producing gable elements 23 (see fig. 2).
  • the tubular material comprises preferably aluminium, e.g. aluminium of alloy T6.
  • the aluminium tube has a diameter of 50 mm and a wall thickness of 2 mm.
  • the gable elements 23 present at the opposite ends of the scaffold are connected to each other by means of work platforms 21 and by substantially horizontal rear-side tubes 2b and diagonal front- side bracing tubes 2b.
  • the passage between work platforms at various levels is provided by means of ladders 22, extending adjacent to the work platforms between the gable elements 23 within a frame structure established by the tubular corner members 1 and the tubular cross-members 2, 2a, 2b connecting the same.
  • Each tubular corner member has its bottom end provided with a wheel 15 for enabling a displacement of the scaffold.
  • the scaffold can be fitted with adjustable extra bracing legs 24 for ensuring that the erected scaffold stays securely upright, especially in the case of high-rise scaffolds, and/or for preventing its inadvertent movement.
  • the scaffold is intended for use both outdoors with its top work platform at the height of 8 m according to standard EN 1004 and indoors with its top work platform at the height of 12 m according to standard EN 1004.
  • a ballast for steadying the scaffold is indicated by reference numeral 25.
  • a vertical adjustment between the wheel 15 and a tubular corner member 1 associated therewith during erecting the scaffold and/or during moving the scaffold to another position on an uneven foundation is implemented by means of a vertical adjustment mechanism 5 depicted more closely in fig. 3.
  • the vertical adjustment mechanism comprises a casing element 5a attached to the scaffold's 20 gable element 23, and a lifting element 5b movable relative to the casing element in the longitudinal direction of the casing element.
  • a movement of the lifting element 5b relative to the casing element 5a can be effected e.g. mechanically or hydraulically.
  • a connecting piece 14 to which is in turn attached, preferably likewise by welding, an attachment element 4, having its bottom end provided with a hook member 4a which is adapted to bear from below against the substantially horizontal tubular cross-member 2 of the scaffold's gable element.
  • the attachment element 4 is adapted to be clamped to at least one tubular cross-member 2 with a clamping means 3, e.g. a bolt, the attachment element 4 and the tubular cross-member 2 having necessary holes drilled therein for this purpose.
  • the attachment element 4 is connected to three lowermost tubular cross-members 2 of the scaffold's gable element.
  • the vertical adjustment mechanism 5 has a height of 114 mm, it has a lifting height of 760 mm and a lifting load of 900 kg max.
  • the attachment element 4 is made of steel and 750 mm in length, 10 mm in thickness, and 50 mm in width.
  • the wheel 15 has connected therewith an adjustment tube 9, which is preferably made of steel and disposed inside a tubular corner member 1 to travel longitudinally relative to the tubular corner member.
  • the adjustment tube is 45 mm in diameter, 1800 mm in length, and has a wall of 3 mm and has preferably a steel flange 10 welded thereto, said flange having holes drilled in its corners.
  • the wheel 15 has its body 13 fitted respectively with a flange element 12 with matching holes drilled in its corners.
  • the flange elements 10, 12 are coupled to each other with bolts 11.
  • the lifting element 5b has its bottom end provided with guide elements 6-8 for displacing the wheel 15 and its associated adjustment tube 9 relative to the tubular corner member 1 in the process of moving the lifting element 5b relative to the casing element 5a.
  • the guide elements at the lifting element's 5b bottom end include a tubular member 8 preferably of steel, which is linked, e.g. by way of a T-shaped bracket 7, to a plate member 6 mounted on the lifting element's bottom end.
  • the adjustment tube 9 is extended through the tubular member 8 to the interior of the tubular corner member 1.
  • the tubular member has a diameter of 51 mm, a height of 100 mm, and a wall thickness of 3 mm.
  • the vertical adjustment mechanism 5 provided in each corner can be operated whenever necessary by means of a crank 16, the adjustment tube 9 moving within the tubular corner member up or down depending on the rotating direction of the crank, and the wheel 15 is moving concurrently relative to the scaffold frame, thus adapting the wheel 15 to undulations of terrain to maintain the scaffold always essentially upright throughout the displacement.
  • the scaffold is intended for a slow walking-pace movement by human effort, whereby the moving crew has time to respond to variations in terrain.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Movable Scaffolding (AREA)

Abstract

L'invention concerne un échafaudage mobile (20) avec une ou plusieurs plateformes de travail fixes (21), élément d'armature dudit échafaudage se composant de quatre éléments d'angle tubulaires verticaux (1) et de traverses tubulaires (2, 2a, 2b) reliant ceux-ci, chaque élément d'angle tubulaire ayant son extrémité inférieure équipée d'une roue (15) pour permettre un déplacement de l'échafaudage, et ledit échafaudage étant équipé d'éléments pour le réglage de sa hauteur. Entre chaque élément d'angle tubulaire (1) et la roue (15) à son extrémité inférieure on trouve des éléments de réglage vertical (5) pour permettre un réglage vertical individuel de chaque roue par rapport à son élément d'angle tubulaire (1) associé tout en effectuant un déplacement de l'échafaudage (20), l'échafaudage pouvant ainsi être déplacé en toute sécurité même sur une surface accidentée.
PCT/FI2005/050433 2005-04-18 2005-11-23 Échafaudage mobile WO2006111603A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/909,582 US20100018804A1 (en) 2005-04-18 2005-11-23 Movable Scaffolding
EP05813166A EP1875014A4 (fr) 2005-04-18 2005-11-23 Échafaudage mobile
NO20073991A NO20073991L (no) 2005-04-18 2007-08-01 Flyttbart stillas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20050397A FI20050397A0 (fi) 2005-04-18 2005-04-18 Siirrettävän rakennustelineen korkeuden säädin
FI20050397 2005-04-18

Publications (1)

Publication Number Publication Date
WO2006111603A1 true WO2006111603A1 (fr) 2006-10-26

Family

ID=34508094

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2005/050433 WO2006111603A1 (fr) 2005-04-18 2005-11-23 Échafaudage mobile

Country Status (6)

Country Link
US (1) US20100018804A1 (fr)
EP (1) EP1875014A4 (fr)
FI (1) FI20050397A0 (fr)
NO (1) NO20073991L (fr)
RU (1) RU2383701C2 (fr)
WO (1) WO2006111603A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111691656A (zh) * 2020-07-14 2020-09-22 陕西国防工业职业技术学院 建筑施工架及其制造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI450471B (zh) * 2012-03-02 2014-08-21 Ship & Ocean Ind R & D Ct 直流充電系統之多方通訊控制系統及其充電流程
US11993943B2 (en) 2020-02-07 2024-05-28 Southern Coastal Contractors & Services, Inc. Support system for use in construction
CN111335608A (zh) * 2020-04-21 2020-06-26 中信国安建工集团有限公司 一种高层建筑施工脚手架及操作方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697032A (en) * 1968-12-19 1972-10-10 Access Equipment Ltd Scaffolding
JPH07224526A (ja) * 1994-02-10 1995-08-22 Shimizu Corp 作業足場
GB2340529A (en) * 1998-08-01 2000-02-23 Dennis Stanley Whitehouse Hydraulic levelling apparatus for ladders and scaffolding

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1272551A (en) * 1916-09-15 1918-07-16 Nelson I Smith Ladder attachment.
US3165170A (en) * 1963-09-09 1965-01-12 Jack Inc A Ladder extension
US3482847A (en) * 1968-01-30 1969-12-09 Marvin N Hart Trailer guide wheel construction
FR1603127A (fr) * 1968-07-04 1971-03-22
FR2227141B1 (fr) * 1973-04-24 1977-02-04 David Jean
US4293054A (en) * 1980-05-19 1981-10-06 Piat Impalcature Automatiche S.P.A. Scaffolding for supporting lifting working bridges and platforms
US4491452A (en) * 1982-10-07 1985-01-01 Matovich Mitchel J Load transporting apparatus
US4607726A (en) * 1983-04-20 1986-08-26 Davis Richard J Ladder extension
US4723633A (en) * 1987-05-26 1988-02-09 Waco International Corporation Adjusting screw retainer
JPH0625471B2 (ja) * 1989-09-28 1994-04-06 株式会社竹中工務店 折り畳み足場
US20040123529A1 (en) * 2002-10-07 2004-07-01 Wiese Steven E. Lightweight portable stage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697032A (en) * 1968-12-19 1972-10-10 Access Equipment Ltd Scaffolding
JPH07224526A (ja) * 1994-02-10 1995-08-22 Shimizu Corp 作業足場
GB2340529A (en) * 1998-08-01 2000-02-23 Dennis Stanley Whitehouse Hydraulic levelling apparatus for ladders and scaffolding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1875014A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111691656A (zh) * 2020-07-14 2020-09-22 陕西国防工业职业技术学院 建筑施工架及其制造方法

Also Published As

Publication number Publication date
FI20050397A0 (fi) 2005-04-18
RU2007138071A (ru) 2009-05-27
EP1875014A1 (fr) 2008-01-09
EP1875014A4 (fr) 2013-03-06
RU2383701C2 (ru) 2010-03-10
NO20073991L (no) 2007-08-01
US20100018804A1 (en) 2010-01-28

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