FR2540479A1 - Stabilised pallet loading fork lift truck - Google Patents

Stabilised pallet loading fork lift truck Download PDF

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Publication number
FR2540479A1
FR2540479A1 FR8301770A FR8301770A FR2540479A1 FR 2540479 A1 FR2540479 A1 FR 2540479A1 FR 8301770 A FR8301770 A FR 8301770A FR 8301770 A FR8301770 A FR 8301770A FR 2540479 A1 FR2540479 A1 FR 2540479A1
Authority
FR
France
Prior art keywords
chassis
fork
transverse rod
articulated
planet gears
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
FR8301770A
Other languages
French (fr)
Other versions
FR2540479B1 (en
Inventor
Henri Comte
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.)
FENWICK MANUTENTION STE INDLE
Original Assignee
FENWICK MANUTENTION STE INDLE
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 FENWICK MANUTENTION STE INDLE filed Critical FENWICK MANUTENTION STE INDLE
Priority to FR8301770A priority Critical patent/FR2540479B1/en
Priority to DE19843403845 priority patent/DE3403845A1/en
Publication of FR2540479A1 publication Critical patent/FR2540479A1/en
Application granted granted Critical
Publication of FR2540479B1 publication Critical patent/FR2540479B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
    • B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
    • B62B3/0618—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground using fluid lifting mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
    • B62B2301/10—Adjusting the position of the wheel axles to increase stability

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Handcart (AREA)
  • Loading Or Unloading Of Vehicles (AREA)

Abstract

The palette-lifting vehicle has a conveyor unit (4), movable relative to a chassis (1) and includes support rollers (6) on brackets (8) hinged to a conveyor fork (5). The conveyor unit also includes a cross-rod (13) hinged by rods (14) to the chassis. The cross-rod mounts two planet gears (15) rotating about an axis (16) normal to its length. Two adjusted sockets (17) on the cross-rod bear pinions (18) engaging in the planet gears. Deflecting levers (19) are force-locked to the sockets, and are connected by draw-rods (20) with the roller brackets.

Description

La présente invention concerne un transpalette comprenant un châssis et un ensemble de manutention mobile par rapport au châssis, l'ensem- ble de manutention comportant une fourche de manutention et des organes de roulement porteurs montés sur des supports articulés sur la fourche. The present invention relates to a pallet truck comprising a chassis and a handling assembly that is movable relative to the chassis, the handling assembly comprising a handling fork and load-bearing bearing members mounted on supports articulated on the fork.

Lorsque les transpalettes se déplacent sur des sols irréguliers ou en mauvais état, les charges déposées sur leur fourche de manutention sont généralement exposées à des chocs et/ou à des vibrations sous l'action desquels elles risquent de se détériorer ou de se renverser. When pallet trucks move on uneven or in poor condition, the loads deposited on their handling fork are generally exposed to shocks and / or vibrations under the action of which they may deteriorate or overturn.

La présente invention se propose de remédier à cet inconvénient et, pour ce faire, elle a pour objet un transpalette qui se caractérise en ce que l'ensemble de manutention comporte une tige transversale articulée sur le châssis par l'intermédiaire de biellettes, deux pignons satellites montés rotatifs sur la tige transversale, autour d'un axe perpendiculaire à l'axe longitudinal de celle-ci, deux manchons ajustés sur la tige transversale et portant chacun un pignon engrenant avec les deux pignons satellites, au moins deux leviers de renvoi solidaires des manchons, et au moins deux tirants reliant les leviers de renvoi aux supports des organes de roulement porteurs. The present invention proposes to overcome this drawback and, to do this, it relates to a pallet truck which is characterized in that the handling assembly comprises a transverse rod articulated on the chassis by means of links, two pinions satellites rotatably mounted on the transverse rod, around an axis perpendicular to the longitudinal axis thereof, two sleeves adjusted on the transverse rod and each carrying a pinion meshing with the two planet pinions, at least two integral return levers sleeves, and at least two tie rods connecting the return levers to the supports of the bearing rolling members.

Pendant le déplacement du transpalette; la fourche de manutention reste parallèle au profil du sol sur lequel repose le châssis, car les organes de roulement de l'ensemble de manutention peuvent maintenant s'adapter indépendamment l'un de l'autre au profil du sol passant sous eux. During the movement of the pallet truck; the handling fork remains parallel to the profile of the ground on which the chassis rests, because the running gear of the handling assembly can now adapt independently of one another to the profile of the ground passing beneath them.

Les charges déposées sur la fourche sont par conséquent mieux pro tégées contre les chocs et les risques due chute sur le sol. The loads deposited on the fork are therefore better protected against shocks and the risks of falling on the ground.

De préférence,les biellettes sont articulées sur la tige transversale, à proximité des extrémités de celle-ci, tandis que l'axe des pignons satellites est situé à égale distance des biellettes. Preferably, the links are articulated on the transverse rod, near the ends of the latter, while the axis of the planet gears is located at equal distance from the links.

Un mode d'exécution de la présente invention sera décrit ci-après à titre d'exemple nullement limitatif en référence au dessin annexé dans lequel
- la figure 1 est une vue de côté schématique d'un transpalette conforme à l'invention ; et
- la figure 2 est une vue en coupe schématique effectuée suivant la ligne Il-Il de la figure 1. An embodiment of the present invention will be described below by way of non-limiting example with reference to the accompanying drawing in which
- Figure 1 is a schematic side view of a pallet truck according to the invention; and
- Figure 2 is a schematic sectional view taken along the line Il-Il of Figure 1.

Le transpalette que l'on peut voir sur le dessin comprend tout d'abord un châssis 1 reposant sur le sol par l'intermédiaire d'une roue motrice 2 et de deux roues directrices 3 portées par une chape pivotante (non représentée). Il comprend également, en avant du châssis 1, un ensemble de manutention 4 comportant une fourche à deux dents 5 et des galets de roulement 6 reliés deux à deux par des plaques 7 articulées sur des supports 8 eux-mêmes articulés en 9 sur les dents de la fourche, à une certaine distance de l'extre- mité libre de celles-ci. The pallet truck that can be seen in the drawing firstly comprises a frame 1 resting on the ground by means of a drive wheel 2 and two steered wheels 3 carried by a pivoting yoke (not shown). It also includes, in front of the chassis 1, a handling assembly 4 comprising a fork with two teeth 5 and rollers 6 connected in pairs by plates 7 articulated on supports 8 themselves articulated at 9 on the teeth from the fork, at a certain distance from the free end thereof.

L'ensemble de manutention 4, qui est déplaçable par rapport au châssis, porte deux chapes 10 faisant saillie sur sa face postérieure et sur lesquelles sont articulées les extrémités libres des tiges de piston 11 de deux vérins identiques dont les cylindres 12 s'appuient sur le châssis 1. The handling assembly 4, which is movable relative to the chassis, carries two yokes 10 projecting from its rear face and on which the free ends of the piston rods 11 of two identical cylinders are articulated, the cylinders 12 of which rest on chassis 1.

D'une manière connue en soi, les deux vérins sont montés dans un circuit hydraulique (non représenté) de façon à ce qu'ils puissent être commandés simultanément pour déplacer l'ensemble de manutention 4 par rapport au châssis et modifier ainsi la position en hauteur des charges à manutentionner se trouvant sur la fourche. In a manner known per se, the two jacks are mounted in a hydraulic circuit (not shown) so that they can be controlled simultaneously to move the handling assembly 4 relative to the chassis and thus modify the position in height of the loads to be handled located on the fork.

L'ensemble élévateur comporte par ailleurs une tige transversale 13 articulée sur le châssis 1 par l'intermédiaire de deux biellettes 14 s'étendant parallèlement à l'axe longitudinal du transpalette, deux pignons satellites 15 montés rotatifs sur la tige transversale 13, autour d'un axe 16 perpendiculaire à l'axe longitudinal de celle-ci, deux manchons 17 ajustés sur la tige transversale 13 et portant chacun un pignon 18 engrenant avec les pignons 15, deux leviers de renvoi 19 solidaires des manchons 17 et deux tirants 20 reliant les leviers 19 aux supports 8 des galets de roulement 6. The lifting assembly also comprises a transverse rod 13 articulated on the chassis 1 by means of two rods 14 extending parallel to the longitudinal axis of the pallet truck, two satellite pinions 15 rotatably mounted on the transverse rod 13, around d 'an axis 16 perpendicular to the longitudinal axis thereof, two sleeves 17 adjusted on the transverse rod 13 and each carrying a pinion 18 meshing with the pinions 15, two return levers 19 integral with the sleeves 17 and two tie rods 20 connecting the levers 19 to the supports 8 of the rollers 6.

Les biellettes 14 sont articulées sur la tige transversale 13, à proximité des extrémités de celle-ci qui sont retenues dans des paliers 21. En outre, l'axe 16 passe par le milieu de la tige transversale 13 et s'étend dans le plan longitudinal médian du transpalette. The links 14 are articulated on the transverse rod 13, near the ends of the latter which are retained in bearings 21. In addition, the axis 16 passes through the middle of the transverse rod 13 and extends in the plane longitudinal median of the pallet truck.

On notera par ailleurs que les dents de la fourche 5 ont une section transversale sensiblement en U et que les tirants 20 sont situés chacun sous une dent de la fourche, ce qui les rend peu encombranb tout en les protégeant. Note also that the teeth of the fork 5 have a substantially U-shaped cross section and that the tie rods 20 are each located under a tooth of the fork, which makes them compact while protecting them.

Quand l'ensemble de manutention s'élève ou s'abaisse par rapport au châssis 1, sous la commande des deux vérins 11-12, la tige 13, les biellettes 14, les manchons 17, les pignons 15, 18, les leviers 19, les tirants 20 et les supports 8 pivotent les uns par rapport aux autres de façon à permettre aux galets de roulement 6 de maintenir les dents de la fourche en position horizontale quelle que soit la position de celle-ci au-dessus du sol. When the handling assembly rises or falls relative to the chassis 1, under the control of the two jacks 11-12, the rod 13, the rods 14, the sleeves 17, the pinions 15, 18, the levers 19 , the tie rods 20 and the supports 8 pivot relative to each other so as to allow the rolling rollers 6 to maintain the teeth of the fork in a horizontal position whatever the position of the latter above the ground.

Par ailleurs, quand le transpalette se déplace sur un sol régulier, les galets de roulement peuvent s'adapter au profil du sol sur lequel ils s'appuient, tandis que la fourche reste parallèle au profil du sol se trouvant sous les roues 2 et 3 du châssis.  In addition, when the pallet truck moves on a regular ground, the rollers can adapt to the profile of the ground on which they rest, while the fork remains parallel to the profile of the ground being under the wheels 2 and 3 of the chassis.

Claims (2)

REVENDICATIONS 1. Transpalette comprenant un châssis (1) et un ensemble de manu téntion (4) mobile par rapport au châssis, l'ensemble de manutention comportant une fourche de manutention (5) et des organes de roulement porteurs (6) montés sur des supports (8) articulés sur la fourche, caractérisé en ce que l'ensemble de manutention (4) comporte une tige transversale (13) articulée sur le châssis (1) par l'intermédiaire de biellettes (14), deux pignons satellites (15) montés rotatifs sur la tige transversale (13), autour d'un axe (16) perpendiculaire à l'axe longitudinal de celle-ci, deux manchons (17) ajustés sur la tige transversale (13) et portant chacun un pignon (18) engrenant avec les deux pignons satellites (15), au moins deux leviers de renvoi (19) solidaires des manchons (17), et au moins deux tirants (20) reliant les leviers de renvoi (19) aux supports (8) des organes de roulement porteurs (6). 1. Pallet truck comprising a chassis (1) and a handling assembly (4) movable relative to the chassis, the handling assembly comprising a handling fork (5) and bearing rolling members (6) mounted on supports (8) articulated on the fork, characterized in that the handling assembly (4) comprises a transverse rod (13) articulated on the chassis (1) by means of links (14), two planet gears (15) rotatably mounted on the transverse rod (13), about an axis (16) perpendicular to the longitudinal axis thereof, two sleeves (17) adjusted on the transverse rod (13) and each carrying a pinion (18) meshing with the two planet gears (15), at least two return levers (19) integral with the sleeves (17), and at least two tie rods (20) connecting the return levers (19) to the supports (8) of the load bearing (6). 2. Transpalette selon. la revendication 1, caractérisé en ce que les biellettes (14) sont articulées sur la tige transversale (13), à proximité des extrémités de celle-ci, tandis que l'axe (16) des pignons satellites (15) est situé à égale distance des biellettes (14).  2. Pallet truck according to. claim 1, characterized in that the links (14) are articulated on the transverse rod (13), close to the ends thereof, while the axis (16) of the planet gears (15) is located at equal distance from the connecting rods (14).
FR8301770A 1983-02-04 1983-02-04 TRANSPALETTE COMPRISING ROLLING COMPONENTS SUITABLE FOR MARKING THE GROUND PROFILE Expired FR2540479B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8301770A FR2540479B1 (en) 1983-02-04 1983-02-04 TRANSPALETTE COMPRISING ROLLING COMPONENTS SUITABLE FOR MARKING THE GROUND PROFILE
DE19843403845 DE3403845A1 (en) 1983-02-04 1984-02-03 Pallet truck with rolling members suitable for adaptation to the ground profile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301770A FR2540479B1 (en) 1983-02-04 1983-02-04 TRANSPALETTE COMPRISING ROLLING COMPONENTS SUITABLE FOR MARKING THE GROUND PROFILE

Publications (2)

Publication Number Publication Date
FR2540479A1 true FR2540479A1 (en) 1984-08-10
FR2540479B1 FR2540479B1 (en) 1986-08-22

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FR8301770A Expired FR2540479B1 (en) 1983-02-04 1983-02-04 TRANSPALETTE COMPRISING ROLLING COMPONENTS SUITABLE FOR MARKING THE GROUND PROFILE

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DE (1) DE3403845A1 (en)
FR (1) FR2540479B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941794A (en) * 1987-03-11 1990-07-17 Honda Giken Kogyo Kabushiki Kaisha Automated loading/unloading equipment
FR2686331A1 (en) * 1992-01-20 1993-07-23 Loc Manutention Stabilising device for a handling truck of the pallet truck or stacker type
FR2703320A1 (en) * 1993-03-30 1994-10-07 Jungheinrich Ag Four-wheeled handling cart, only one of which is powered and steerable.
FR2747665A1 (en) * 1996-04-19 1997-10-24 Fenwick Linde LIFT TRUCK WITH LIFT FRAME

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710757A1 (en) * 1987-03-31 1988-10-20 Genkinger Hermann Gmbh Pallet truck
DE4401257C2 (en) * 1994-01-18 1996-08-29 Jungheinrich Ag Pallet truck
DE19629409A1 (en) * 1996-07-22 1998-01-29 Reinhard Reiter Forklift truck with long horizontal extensions to forks
DE19741764C1 (en) * 1997-09-22 1999-04-22 Ice Cargo Equipment Ag Pallet truck
ES2152815B1 (en) * 1998-05-04 2001-09-01 Hidromecanica Egara S A ARTICULATED STACKER TO SAVE SOIL IRREGULARITIES.
CN105347263B (en) * 2015-11-10 2017-11-17 苏州先锋物流装备科技有限公司 The lifting mechanism of module carrier
JP6611215B1 (en) * 2018-09-13 2019-11-27 三菱ロジスネクスト株式会社 Automated guided vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR685000A (en) * 1928-11-26 1930-07-03 Anciens Etablissements Leon La Improvements to motor vehicles
FR45507E (en) * 1934-03-10 1935-09-12 Conjugate wheel suspension
DE1210537B (en) * 1962-04-12 1966-02-10 Lansing Bagnall Ltd Pallet truck
DE1231578B (en) * 1963-04-09 1966-12-29 Umberto Tremea Compensating suspension for road vehicles with running wheels suspended from rocker arms
FR2043981A5 (en) * 1969-05-05 1971-02-19 Sebat
FR2313306A1 (en) * 1975-05-31 1976-12-31 Fischer Horst FORK LIFT TRUCK

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1226102B (en) * 1959-01-17 1966-10-06 Lannacher Heilmittel Process for the preparation of an acid amide of 4-aminobenzoic acid- (beta-diaethylamino) -aethyl ester
DE3710757A1 (en) * 1987-03-31 1988-10-20 Genkinger Hermann Gmbh Pallet truck

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR685000A (en) * 1928-11-26 1930-07-03 Anciens Etablissements Leon La Improvements to motor vehicles
FR45507E (en) * 1934-03-10 1935-09-12 Conjugate wheel suspension
DE1210537B (en) * 1962-04-12 1966-02-10 Lansing Bagnall Ltd Pallet truck
DE1231578B (en) * 1963-04-09 1966-12-29 Umberto Tremea Compensating suspension for road vehicles with running wheels suspended from rocker arms
FR2043981A5 (en) * 1969-05-05 1971-02-19 Sebat
FR2313306A1 (en) * 1975-05-31 1976-12-31 Fischer Horst FORK LIFT TRUCK

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941794A (en) * 1987-03-11 1990-07-17 Honda Giken Kogyo Kabushiki Kaisha Automated loading/unloading equipment
FR2686331A1 (en) * 1992-01-20 1993-07-23 Loc Manutention Stabilising device for a handling truck of the pallet truck or stacker type
FR2703320A1 (en) * 1993-03-30 1994-10-07 Jungheinrich Ag Four-wheeled handling cart, only one of which is powered and steerable.
FR2747665A1 (en) * 1996-04-19 1997-10-24 Fenwick Linde LIFT TRUCK WITH LIFT FRAME

Also Published As

Publication number Publication date
DE3403845A1 (en) 1984-08-16
FR2540479B1 (en) 1986-08-22
DE3403845C2 (en) 1993-02-25

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