EP0746524B1 - Bauaufzug - Google Patents
Bauaufzug Download PDFInfo
- Publication number
- EP0746524B1 EP0746524B1 EP95910407A EP95910407A EP0746524B1 EP 0746524 B1 EP0746524 B1 EP 0746524B1 EP 95910407 A EP95910407 A EP 95910407A EP 95910407 A EP95910407 A EP 95910407A EP 0746524 B1 EP0746524 B1 EP 0746524B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- building hoist
- hoist according
- welded
- mast
- arm
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
Definitions
- the invention relates to a construction elevator with a vertically aligned, made of three stiffened together Belts existing, connectable by several Sections formed mast as well as an over a rack guided, between a loading position and an unloading movable carriage.
- Such a construction elevator or in particular a mast for such a construction elevator is the subject of the German patent P 38 43 996.4 and European Patent 376 167.
- This mast has two adjacent corner supports stiffened by struts consisting of two opposite one another polygonal, flat honeycomb elements in Form of discs.
- the object of the invention based on the construction elevator of the type mentioned above To design that with a light, labor and material saving Construction ensures increased security is.
- the mast there is only one stiffening Side surface of the mast made of trapezoidal sheets, the parallel edges welded to the straps of the mast are, the rack for guiding the carriage in the plane of the sheets is welded to a belt.
- the trapezoidal sheets are at right angles or almost on this mast perpendicular to the carriage guide.
- the burden of Load handling equipment is removed on one level in the mast. Accordingly, the load handler only needs a boom fork, making it lighter.
- the drive power which is an essential cost factor, reduced and the mast can be constructed more easily.
- the total forces transmitted by the carriage become almost completely from the rack and plane of the sheets added.
- the third belt the one with the other two belts welded to the sheet metal each using round iron struts essentially only serves of stabilization or leadership.
- the mast owns despite a considerably reduced weight, a relative increased load capacity in relation to the relatively low Material requirements. Despite the small cross section this mast anchor spacing which is more familiar to those Masts exceed 50% and more.
- the strap that is welded to the rack as Rectangular section tube formed while the other two Belts consist of tubes with a round cross-section.
- the sheets are essentially provided circular recesses, whereby another Material saving is achieved which the static force absorption due to the reduction in the risk of buckling of the sheets and the wind forces increased.
- the sheets are expediently along their peripheral edges bevelled, which increases stability becomes. At the same time, these bevels give the possibility a longer weld seam and thus a more intimate one Connection with the adjacent belts.
- a leading arm is pivotally held on the carriage, which rests against the mast under the pressure of a spring and with a device for interrupting the control current connected is. If the carriage does not approach you secured mast section, the leading arm presses with its free end this from the vertical position, whereby the control current is interrupted and the carriage is stopped immediately. This results in a high level of security that meets the legal requirements.
- the leading end is at the free end Armes held a roller or gear leading to one Reduction of friction and a reduction in wear to lead.
- the arm preferably consists of an essentially centrally mounted rocker arm, one end of which is under the pressure of the spring while the other is the Roller-bearing end in connection with an off switch stands.
- FIG. 1 and 2 is in its entirety with the Reference number 10 provided construction elevator reproduced in the working position. It rests on height-adjustable supports 12 which any unevenness in the stand area can be adjusted are.
- a pair of wheels 14 are held on the stand frame 16 and enables road transport of the construction elevator 10.
- a load handler surrounded by a protective grille 18 is about a not shown in detail Motor up and down on mast 20, one of the motor driven pinion with a dashed line in FIG. 1 Lines indicated rack 22 combs.
- the load handler 18 in both the lower Loading position and the upper driving position shown.
- the mast 20 consists, as can be seen from FIGS. 1 and 2, from individual subsections 24, one of which is shown in FIG. 3 is reproduced.
- the structure of the mast 20 or the sections 24 is to be described in more detail below with reference to FIGS are explained.
- a first belt 26 a rectangular or square Cross-section. With this belt 26 is the rack 28 welded.
- the second and third belts 30 and 32 consist of a tube with a uniform cross section.
- Forces are between the first and second belts 26 and 30 trapezoidal sheets 34 welded in. The whole force is practically taken up by the plane of the sheets 34.
- To the third belt 32 is a lattice-shaped connection via round iron bars 36.
- the sheets 34 along their Edges are provided with bevels 38.
- the folds 38 can each end with the two belts 26 and 30th be welded.
- the sheets 34 are with circular recesses 40 provided, which leads to a material saving and Lead to weight reduction, the force absorption or Power transmission capabilities by reducing the risk of buckling and increase the wind forces. Virtually the whole Force is absorbed by the plane of the sheets 34.
- the mast sections 24 each carry at the upper end of the Belts 26, 30 and 32 diameter-reduced projections 42, in corresponding recesses at the lower end of the next section 24 intervene.
- the respective sections 24 are connected to one another via tabs 44 screwed.
- a leading arm 46 is provided in the form of a rocker arm.
- a Cross-section U-shaped tab 48 held a bolt 50 carries as a pivot axis for the rocker arm 46.
- the rocker arm 46th is under the pressure of a spring 52 at the lower end.
- a roller 54 arranged under the pressure of the spring 52 in contact with the inside of the mast section 24 stands.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Types And Forms Of Lifts (AREA)
- Jib Cranes (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Sewage (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
- Fig. 1
- eine Seitenansicht des erfindungsgemäßen Bauaufzuges mit einer Darstellung des Laufwagens sowohl in der Beladeposition als auch der Fahrposition,
- Fig. 2
- eine Vorderansicht des Bauaufzuges gemäß Fig. 1,
- Fig. 3
- eine perspektivische Darstellung eines Mastabschnittes,
- Fig. 4
- einen Horizontalschnitt durch den Mastabschnitt gemäß Fig. 3 in größerem Maßstab,
- Fig. 5
- eine Seitenansicht des Laufwagens bei Erreichen eines ungesicherten Mastabschnittes und
- Fig. 6
- eine Darstellung des dem Laufwagen vorauseilenden Armes in größerem Maßstab.
Claims (9)
- Bauaufzug mit einem im wesentlichen vertikal ausgerichteten, aus drei miteinander versteiften Gurten (26, 30, 32) bestehenden, durch mehrere miteinander verbindbare Teilabschnitte (24) gebildeten Mast (20) sowie einem über eine Zahnstange (28) geführten, zwischen Beladestellung und Entladestellung verfahrbaren Laufwagen,
dadurch gekennzeichnet,
daß die Versteifung nur einer Seitenfläche des Mastes (20) aus im wesentlichen trapezförmigen Blechen (34) besteht, deren parallele Kanten mit den Gurten (26, 30) verschweißt sind, und daß die Zahnstange (28) zur Führung des Lastaufnahmemittels (18) in der Ebene der Bleche (34) mit einem Gurt (26) verschweißt ist. - Bauaufzug nach Anspruch 1, dadurch gekennzeichnet, daß der Querschnitt des mit der Zahnstange (28) verschweißten Gurtes (26) rechteckig ausgebildet ist, während die übrigen beiden Gurte (30, 32) jeweils aus einem Rundrohr bestehen.
- Bauaufzug nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Bleche (34) mit Ausnehmungen (40) versehen sind.
- Bauaufzug nach Anspruch 3, dadurch gekennzeichnet, daß die Ausnehmungen (40) kreisförmig ausgebildet sind.
- Bauaufzug nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Bleche (34) mit Abkantungen (38) versehen sind.
- Bauaufzug nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß am Lastaufnahmemittel (18) ein vorauseilender Arm (46) schwenkbar gehalten ist, der unter dem Druck einer Feder (52) an der Innenseite des Mastes (20) anliegt und mit einer Einrichtung (56) zur Unterbrechung des Steuerstroms verbunden ist.
- Bauaufzug nach Anspruch 6, dadurch gekennzeichnet, daß am vorauseilenden Ende des Armes (46) eine Rolle (54) drehbar gehalten ist.
- Bauaufzug nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Arm (46) aus einem Kipphebel besteht, der unter dem Druck der Feder (52) steht.
- Bauaufzug nach einem der vorangehenden Anspriiche, dadurch gekennzeichnet, daß der Arm (46) um einen Bolzen (50) schwenkbar gelagert ist, der eine laufwagenseitige, im Querschnitt U-förmige Lasche (45) durchgreift.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4405651 | 1994-02-22 | ||
DE19944405651 DE4405651C1 (de) | 1994-02-22 | 1994-02-22 | Bauaufzug |
PCT/DE1995/000225 WO1995022501A1 (de) | 1994-02-22 | 1995-02-22 | Bauaufzug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0746524A1 EP0746524A1 (de) | 1996-12-11 |
EP0746524B1 true EP0746524B1 (de) | 1998-05-27 |
Family
ID=6510882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95910407A Expired - Lifetime EP0746524B1 (de) | 1994-02-22 | 1995-02-22 | Bauaufzug |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0746524B1 (de) |
AT (1) | ATE166631T1 (de) |
DE (2) | DE4447424C2 (de) |
WO (1) | WO1995022501A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19627549A1 (de) * | 1995-09-22 | 1997-03-27 | Paul Lingen | Mast für ein Baugerüst oder einen Baulift |
DE19545453A1 (de) * | 1995-12-06 | 1997-06-12 | Paul Lingen | Hubgerüst |
DE29802092U1 (de) * | 1998-02-07 | 1998-10-08 | Hermann Steinweg GmbH & Co KG Baumaschinenfabrik, 59368 Werne | Bauaufzug |
EP4261177A1 (de) | 2022-04-13 | 2023-10-18 | Electroelsa S.r.l. | Sicherheitsvorrichtung für ein hubgerät, hubgerät, hubsystem und zugehöriges sicherheitssteuerungsverfahren |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2123132C2 (de) * | 1971-05-11 | 1982-07-15 | Wilhelm Layher GmbH, 7129 Güglingen | Fördereinrichtung an Gerüsten, insbesondere Metallgerüsten |
IT1141853B (it) * | 1980-03-19 | 1986-10-08 | Condecta Macchine Edili Srl | Struttura reticolare con elementi poligonali per traliccio,particolarmente di gru a torre automontante |
AT382592B (de) * | 1984-03-13 | 1987-03-10 | Ebbs & Radinger Maschhandel | Fahrbuehne fuer einen bauaufzug |
DE3843996A1 (de) * | 1988-12-27 | 1990-06-28 | Zeppenfeld Aloys Gmbh | Mast fuer einen zahnstangenaufzug |
-
1994
- 1994-02-22 DE DE4447424A patent/DE4447424C2/de not_active Expired - Fee Related
-
1995
- 1995-02-22 AT AT95910407T patent/ATE166631T1/de not_active IP Right Cessation
- 1995-02-22 DE DE59502339T patent/DE59502339D1/de not_active Expired - Fee Related
- 1995-02-22 WO PCT/DE1995/000225 patent/WO1995022501A1/de active IP Right Grant
- 1995-02-22 EP EP95910407A patent/EP0746524B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0746524A1 (de) | 1996-12-11 |
DE59502339D1 (de) | 1998-07-02 |
DE4447424A1 (de) | 1995-08-24 |
WO1995022501A1 (de) | 1995-08-24 |
DE4447424C2 (de) | 1996-05-15 |
ATE166631T1 (de) | 1998-06-15 |
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