EP0939055B1 - Hebemast für Fördergerät beispielsweise ein Staplerfahrzeug - Google Patents

Hebemast für Fördergerät beispielsweise ein Staplerfahrzeug Download PDF

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Publication number
EP0939055B1
EP0939055B1 EP19990400495 EP99400495A EP0939055B1 EP 0939055 B1 EP0939055 B1 EP 0939055B1 EP 19990400495 EP19990400495 EP 19990400495 EP 99400495 A EP99400495 A EP 99400495A EP 0939055 B1 EP0939055 B1 EP 0939055B1
Authority
EP
European Patent Office
Prior art keywords
section
mast
rollers
lifting mast
lifting
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
EP19990400495
Other languages
English (en)
French (fr)
Other versions
EP0939055A1 (de
Inventor
Christophe Schultz
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.)
Loc Manutention SA
Original Assignee
Loc Manutention SA
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 Loc Manutention SA filed Critical Loc Manutention SA
Publication of EP0939055A1 publication Critical patent/EP0939055A1/de
Application granted granted Critical
Publication of EP0939055B1 publication Critical patent/EP0939055B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/08—Masts; Guides; Chains

Definitions

  • the invention relates generally to a handling device such as a stacking cart or of a stacking devil and it relates more precisely to a single girder lifting mast.
  • a handling device such as a stacking cart or of a stacking devil
  • Such a mast is already shown in WO-A-84/01765.
  • the frame of the trolleys equipped with lifting is usually formed by two vertical beams resting on a base and between these beams are fixed the lifting systems themselves, for example with chains, which drive forks or trays sliding on these beams.
  • These vertical beams are usually formed of I and U-shaped profiles and are more or less separated from each other depending on the achievements. he is apparent that we are looking for montages that aim to avoid having to have security screens between these beams, and using two very close together, or even a single central beam enveloping moving parts and mechanisms solve this problem of security, at the same time that he gives a new aesthetic to the trolley thus produced. But this beam central must, at the same time that it lends itself to load lifting functions, confer all the strength and rigidity that can be expected from the structure of a trolley subjected to constraints difficult.
  • the invention therefore relates to a lifting mast for handling device like a stacking cart
  • the fixed frame consists on the one hand of a profile in folded sheet metal with a vertical oriented opening forward of the truck on the side of the load transported and on the other hand a reinforcement profile fixed to the other profile and which delimits with it a hollow box on the rear side of the mast, the inside faces of the profile constituted as a raceway for rollers with horizontal axes, carrying at least one mobile mechanism inside the mast.
  • the reinforcing profile is fixed internally to the other profile and the front of the reinforcement profile serves as a raceway for rollers.
  • the outer profile is shaped of U whose V-shaped base constitutes an edge vertical on the rear side of the carriage and in that towards the front, the side walls of said profile return inward by a small ledge.
  • the mobile mechanism is an equipment carriage attached to a chain or strap linked to a support of attachment connected to a fixed point relative to the body of cylinder, the chain returning on a pulley coupled to the head of a cylinder rod.
  • the mobile mechanism is a frame consisting of an interior telescopic beam associated with two rolling guides fitted with two rollers bearing against the reinforcement profile, and rolling on two rollers integral with the profile.
  • Figure 1 an exploded view in elevation of a carriage stacker with a single central mast.
  • Figure 2 a plan view of the carriage according to the figure 1.
  • Figure 3 and 4 sectional views of another variant a central mast respectively at the base and in part high of the mast.
  • FIG. 5 an exploded view in elevation of a mast according to figures (3) and (4).
  • Figures 1 and 2 show a carriage stacker with a single central mast designated in its together by reference 1.
  • the carriage is basically made up of a base plate 2 on which is fixed the mast, and on the sides of which are bent tubes 3 bearing in their ends of the rollers 4.
  • In front of the plate 2 is develop two horizontal beams 5 terminated by bits also fitted with rollers 5.
  • a transverse tube reinforcement 7 extends under the base plate. Above this is fixed to a pumping lever 8 oscillating on the manual hydraulic pump 9.
  • the fixed frame of the central mast is formed by a external profile 1 in folded sheet of general section in U-shape whose base is not flat but V-shaped very open which constitutes a vertical edge 10 which rises from the rear side of the cart.
  • a vertical edge 10 which rises from the rear side of the cart.
  • the side walls 11 of the mast return inward by a small flange 12.
  • a reinforcing profile 13 which delimits a hollow box 14 on the rear side of the mast, as seen more precisely in Figure 2.
  • the reinforcing profile is welded externally to the U-shaped, the main thing being that it forms a box hollow on one side of the mast.
  • the internal face of the flanges 12 and the external face profiles 13 serve as raceways for two pairs of rollers 15 with horizontal axes 16, on which is mounted an equipment carriage 17, shown in low position in Figure 1, and dotted in position high.
  • the carriage 17 is hooked to a chain 18 which makes back on a pulley 19 and whose opposite strand is connected to a fastening support 20 connected to a fixed point by relation to the cylinder body.
  • Pulley 19 is itself mounted on a yoke 21 coupled to the head of a rod of a cylinder 22 passing through a fixed guide 23 provided at the level of attachment support 20.
  • the base 24 of the jack is connected hydraulically at the pump 9.
  • the lever pumping 8 ensures the lifting of the rod 22 and the yoke 21.
  • the chain 18 being fixed to its attachment support 20, drives the carriage in its upward movement.
  • FIG. 3 illustrates another embodiment of profiled mast 1 containing a telescopic beam interior 25.
  • a telescopic beam interior 25 There is a profile close to that described above, the same elements carrying the same references.
  • a rolling guide 26 in shape of S.
  • the mobile beam with its guides forms a mobile frame which can be raised along the fixed profile on the one hand thanks to two rollers 27 with axis horizontal secured to the mobile beam resting against the reinforcing profile 13, and on the other hand two rollers 40 with horizontal axis integral with the profile 1 .
  • On this beam 25 and at its base is welded a plate 29 which carries the two axes of the bearings 27 as well as friction pads 30 bearing against the internal face of each edge 12.
  • Lights 31 provided in the plate 29 contain a rocker 32 allowing the adjustment from the outside, using the small pushers 33, the clearance of the inner beam with respect to the mast.
  • FIG 4 shows the upper section of the mast.
  • the rolling guide 26 contains the rollers 15 of the equipment carriage 17 described with reference to Figures 1 and 2.
  • the carriage is advantageously made up of two pieces of cut sheet metal forming cheeks on which are welded the axes of the rollers 15.
  • the cheeks are joined together by a profile 36 of the type tool holder, in upper position.
  • Other skates 34 are visible between the beam 25 and the reinforcement profile 13.
  • the yoke 21 of the jack head is fixed to the part height of the mobile beam 25.
  • the carriage 17 rolls in the slides 26 of the mobile frame, pulled vertically by strap 35, the opposite strand of which is hooked by a attachment support 20 to the base 24 of the jack, that is to say the base of the fixed part of the mast 1.
  • the upper end of the movable rod 22 of the jack acts on a yoke 21 carrying the pulley 19.
  • the lifting of the rod 22 therefore drives the movable beam 25 which is attached, but also the carriage 17 with a speed of displacement twice that of the beam mobile 25 thanks to the haulage produced by the pulley assembly 19 and strap 35, and this telescopic assembly allows therefore a much greater lifting of the equipment carriage, compared to the system described with reference in Figures 1 and 2.
  • the structure of the mast according to the examples of realization previously described, integrating a box hollow developing vertically from the rear side of the carriage, gives it a rigidity at least equivalent to that of the two vertical beams of the conventional type.
  • the mast thus being closed at the rear part, that is to say on the side where the user stands, the user does not may inadvertently reach the mobile mechanisms of lifting, protected by the hull which constitutes the mast streamlined, which is real progress in terms of safety, and avoid adding hoods or screens protection.
  • this unique mast gives an aesthetic new to the cart and for the user, increases its field of vision on the products transported, and the zones circulation and storage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Handcart (AREA)

Claims (5)

  1. Hebemast für ein Fördergerät, beispielsweise ein Staplerfahrzeug,
    mit einem gefalzten Blechprofil (1), das eine zur Vorderseite des Fahrzeugs und zur transportierten Ladung gerichtete, vertikale Öffnung aufweist, und
    mit einem Verstärkungsprofil (13), das an dem Profil befestigt ist und das zusammen mit diesem einen Hohlraum der Rückseite des Mastes begrenzt,
    wobei die Innenflächen des Profils als Rollweg für Rollen (27) mit horizontalen Achsen dienen, die wenigstens einen Bewegungsmechanismus im Inneren des Mastes tragen,
    dadurch gekennzeichnet, dass
    das Außenprofil (1) die Form eines U aufweist, dessen Basis in der Form eines V eine vertikale Kante (10) der Rückseite des Fahrzeuges bildet, und
    dass der Bewegungsmechanismus ein Gerüst ist mit einem inneren Teleskopbalken (25), dem zwei Rollführungen (26) zugeordnet sind, die zwei Rollen (27) aufweisen, welche gegen das Verstärkungsprofil (13) abgestützt sind und auf zwei fest mit dem Profil (1) verbundenen Rollen (40) rollen.
  2. Hebemast nach Anspruch 1, dadurch gekennzeichnet, dass der Balken (25) eine Steuerplatte trägt, welcher Bremsschuhes (30) zugeordnet sind, die gegen die Innenseite des Außenprofils (1) abgestützt sind.
  3. Hebemast nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Platte (29) eine Kippvorrichtung (32) abstützt, um das Spiel des Innenbalkens (25) bezüglich des Mastes von außen zu steuern.
  4. Hebemast nach Anspruch 1, dadurch gekennzeichnet, dass die Rollführung (26) Rollen (25) eines Schlittens (17) für Traggerät umschließt.
  5. Hebemast nach Anspruch 1, dadurch gekennzeichnet, dass Steuerschuhe (34) zwischen dem Balken (25) und dem Verstärkungsprofil (13) vorgesehen sind.
EP19990400495 1998-02-27 1999-03-01 Hebemast für Fördergerät beispielsweise ein Staplerfahrzeug Expired - Lifetime EP0939055B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9802411 1998-02-27
FR9802411A FR2775475B1 (fr) 1998-02-27 1998-02-27 Mat de levage pour appareil de manutention du genre d'un chariot gerbeur

Publications (2)

Publication Number Publication Date
EP0939055A1 EP0939055A1 (de) 1999-09-01
EP0939055B1 true EP0939055B1 (de) 2002-10-30

Family

ID=9523460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990400495 Expired - Lifetime EP0939055B1 (de) 1998-02-27 1999-03-01 Hebemast für Fördergerät beispielsweise ein Staplerfahrzeug

Country Status (4)

Country Link
EP (1) EP0939055B1 (de)
DE (1) DE69903677T2 (de)
ES (1) ES2187124T3 (de)
FR (1) FR2775475B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006059940A1 (en) * 2004-11-06 2006-06-08 Bt Industries Truck mast
DE102013101535B4 (de) * 2013-02-15 2016-01-28 Deutsches Zentrum für Luft- und Raumfahrt e.V. Mast

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845678A1 (fr) * 2002-09-06 2004-04-16 Linde Ag Equipement de levage a patins comme moyens de guidage pour un chariot elevateur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1431745A1 (de) * 1965-12-30 1968-11-28 Nautscho I Pk I Elektro Kari I Einmast-Hubgeruest fuer Gabelstapler
US3485323A (en) * 1967-09-06 1969-12-23 Eaton Yale & Towne Lift truck mast and ram assembly
US4458785A (en) * 1982-10-25 1984-07-10 Bushnell Jr Sherman W Lift
US5515945A (en) * 1994-04-18 1996-05-14 Genie Industries, Inc. Multi-stage mast assembly for portable lifts
DE29514676U1 (de) * 1995-09-13 1997-01-30 Jungheinrich Ag Stapler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006059940A1 (en) * 2004-11-06 2006-06-08 Bt Industries Truck mast
DE102013101535B4 (de) * 2013-02-15 2016-01-28 Deutsches Zentrum für Luft- und Raumfahrt e.V. Mast

Also Published As

Publication number Publication date
DE69903677T2 (de) 2003-06-12
FR2775475B1 (fr) 2000-04-21
DE69903677D1 (de) 2002-12-05
EP0939055A1 (de) 1999-09-01
FR2775475A1 (fr) 1999-09-03
ES2187124T3 (es) 2003-05-16

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