EP2951118B1 - Vérin de levage pourvu d'un dispositif à poulies de renvoi pour engin de manutention - Google Patents

Vérin de levage pourvu d'un dispositif à poulies de renvoi pour engin de manutention Download PDF

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Publication number
EP2951118B1
EP2951118B1 EP14701094.6A EP14701094A EP2951118B1 EP 2951118 B1 EP2951118 B1 EP 2951118B1 EP 14701094 A EP14701094 A EP 14701094A EP 2951118 B1 EP2951118 B1 EP 2951118B1
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EP
European Patent Office
Prior art keywords
roller
deflecting roller
lifting cylinder
lifting
mast
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.)
Active
Application number
EP14701094.6A
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German (de)
English (en)
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EP2951118A1 (fr
Inventor
Christian Huber
Laurentius Seibold
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.)
Jungheinrich AG
Original Assignee
Jungheinrich AG
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 Jungheinrich AG filed Critical Jungheinrich AG
Publication of EP2951118A1 publication Critical patent/EP2951118A1/fr
Application granted granted Critical
Publication of EP2951118B1 publication Critical patent/EP2951118B1/fr
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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
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems
    • 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
    • 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
    • B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"

Definitions

  • the invention relates to a lifting cylinder having a deflection roller device for an industrial truck, wherein the deflection roller device has a lifting chain deflection roller with a roller axle and a roller body rotatable on the roller axle, a roller carrier and at least one additional deflection roller arranged laterally next to the lifting chain deflection roller, wherein the roller axle accommodates a roller body received in the roller body, preferably cylindrical bearing portion and axially on both sides thereof outwardly projecting mounting ends, which are fixed to the roller carrier.
  • Such lifting cylinders are used in lifting frames of industrial trucks as hydraulic lifting drives for the vertical movement of loads and load bearing devices, such as the load-carrying fork tines on forklifts.
  • load bearing devices such as the load-carrying fork tines on forklifts.
  • one or more lifting cylinders can be provided.
  • the mast comprises only a fixed pair of stands on which the load bearing device, such as a lifting with load bearing fork tines, is guided vertically movable.
  • An upright lifting cylinder is located in a see-through area between the mast stand posts, with its piston rod extendable upwardly to lift the load bearing device and any load thereon. This is done by means of a motion translation by a lifting chain.
  • the lifting chain is attached at one of its ends to the cylinder housing of the lifting cylinder or possibly to the relevant mast stand pair and guided around a deflection roller at the upper piston rod end of the lifting cylinder, which is carried along according to the movements of the piston rod of this.
  • the other end of the lifting chain is attached to the vertically movable load bearing device.
  • telescopic inner stator pairs In nestable masts, z. B. Doppelhubgerüsten or Dreifachhubgerüsten, in addition to a fixed outer pair of stands one or possibly more telescopic inner stator pairs are provided, which can be assigned their own lifting cylinder Hubkettensysteme.
  • Such telescoping masts usually allow a free lift of the load bearing device without extending the telescopic inner stator pairs.
  • the lift cylinder for the free lift is connected in the above-described manner via a deflection roller at its piston rod end deflected lifting chain with the load bearing device.
  • Such a lifting cylinder is usually arranged between the mast stands in a see-through area for the operator of the truck and forms there a view partially obstructing the interference contour.
  • Such a lifting cylinder should only have a deflection roller for the lifting chain at its upper end of the piston rod, it is possible to make it relatively slender over almost its entire length, so that it blocks only comparatively little view in the see-through range of the mast.
  • the load-carrying devices to be lifted or lowered with their load-carrying means are in many cases equipped with additional functions, such as the possibility of laterally moving forks in order to adjust them together or to change their distance from one another.
  • the required drives be it hydraulic drives or pneumatic drives or electric drives, require supply lines that need to be tracked to the lifting movements of the load bearing device. In most cases, these supply lines are hydraulic hoses, which are guided around their own additional deflection rollers on the piston rod end of the lifting cylinder, so that they can save space and led to follow the lifting movements of the load bearing devices.
  • the present invention has for its object to make a lifting cylinder of the type mentioned with several pulleys slimmer than before, so that it obstructs in its intended arrangement on the mast of a truck as little as possible visibility in the see-through range of the mast.
  • the affordumlenkrolle is arranged on a towardsumlenkrollenarme, such that their physical axis of rotation relative to the physical axis of rotation Hubkettenumlenkrolle is offset and overlaps the formeumlenkrolle in the radial direction with one of the attachment ends of the roller axis Hubkettenumlenkrolle at least in sections.
  • This allows a dense approach to the formeumlenkrolle in the axial direction parallel to the Hubkettenumlenkrolle under extensive bridging the space required for the storage of the Umlenkrollenachse on roller carrier space.
  • the attachment ends of the roller axis of the Hubkettenumlenkrolle to form a respective step with an overlying recess in a - standing upright lifting cylinder - lower cross-sectional area of the cylindrical bearing portion of this axially and the formeumlenkrolle at least partially in one of the recesses is arranged.
  • Such a solution can be z. B. realize by a cylindrical axle pin is used as the roller axis, which is graded at its axial ends so that it axially outer stages with z. B. semicircular cross section, which form the attachment ends of the roller axis. Over these steps a respective free space has arisen, which can be used to arrange the additional deflection roller slightly lower. This ensures that the Umlenkrollenvorraum is designed to be even more compact overall and even less visual obstruction.
  • the roller carrier is preferably formed as a U-shaped yoke with a base and two upstanding U-legs. It is fastened with its base on the upper extendable end of the lifting cylinder, wherein the Hubkettenumlenkrolle rotatably attached to the attachment ends of its roller axis to the U-legs - and partially received between the U-legs.
  • the Hubkettenumlenkrolle be mounted with simple means and very space-saving on the lifting cylinder, preferably by a screw connection between the roller carrier and the piston rod end of the lifting cylinder.
  • the roller axle is located with its attachment ends on the protruding U-legs of the roller carrier and is screwed there with these.
  • the U-legs may be formed for this purpose on its upper side complementary to the surfaces lying thereon of the attachment ends of the roller axis, that is approximately semicircular in side view, when the attachment ends of the roller axis are formed as a semi-circular in cross-section projections.
  • the fixation between the roller axis and the roller carrier is preferably carried out by Screw the attachment ends with the U-legs of the roller carrier.
  • the Rajumlenkrollennum is attached according to an embodiment of the invention to the roller carrier and extends with one end outside along a U-leg of the roller carrier beyond this upward (with upright lifting cylinder), where he at one end of an axis (or possibly Shaft) of Rajumlenkrolle holds.
  • a very simple construction of the Umlenkrollenvoriques is achievable in that the Rajumlenkrollenarme is a plate member which is screwed laterally outwardly on the relevant U-leg of the roller carrier and at its upstanding end a bearing for the axis (or possibly shaft) of Rajumlenkrolle having.
  • the Rajumlenkrolle is rotatably supported on a fixedly mounted on the Rajumlenkrollenexcellent axle.
  • a rotationally mounted shaft could also be connected in a rotationally fixed manner to the additional deflection roller.
  • the axis (or optionally shaft) of vinumlenkrolle is according to a particularly preferred embodiment of the invention mounted axially on one side of the Rajumlenkrollenarme, so that the 1925umlenkrolle with its storage opposite axial side is positioned very close to the roller body Hubkettenumlenkrolle, because the Rajumlenkrolle There is no space needed for your own storage. This also contributes to a slimmer design of the pulley device and thus of the lift cylinder.
  • the couponlenkrollenarme carries a beautuna, which can also extend over the Hubkettenumlenkrolle.
  • the Umlenkrollenvoriques has a further aggrumlenkrolle, wherein the beautufactoren in at least approximately symmetrical arrangement to the Hubkettenumlenkrolle on both sides of the Hubkettenumlenkrolle are provided on Rajumlenkrollenarmen.
  • the Rajumlenkrollen in at least approximately symmetrical arrangement to the Hubkettenumlenkrolle on both sides of the Hubkettenumlenkrolle are provided on Rajumlenkrollenarmen.
  • the present invention is also a mast with mast stands and a liftable and lowerable thereon load bearing device, a lifting cylinder according to one of claims 1-7 and with a cooperating with the lifting cylinder lifting chain for the load bearing device, wherein the lifting cylinder arranged in a see-through range of the mast between mast stands is.
  • the mast configured in this way is thus prepared to guide supply lines to the load carrying device by deflecting at the additional deflection roller as needed, so that these supply lines can follow lifting and lowering movements of the load carrying device in an orderly manner.
  • the mast is a telescoping mast, z. B. double mast or triple mast
  • the lifting cylinder is preferably a free-lifting cylinder therein.
  • the invention further relates to an industrial truck with a mast according to claim 8 or claim 9.
  • FIG. 1 illustrated embodiment of an industrial truck according to the invention is an electric counterbalance forklift 1, which has a body 3 with a car 4 and therein a driver's seat 5 for an operator.
  • a mast 7 according to the invention In front of the car 4 is a mast 7 according to the invention, on which a load-bearing device 9 is guided raised and lowered.
  • This in Fig. 1 in a vertical orientation upright mast 7 can be back and tilted by a small angle range and to better absorb or settle loads.
  • the mast 7 is a multiple mast with a (apart from the inclination possibility) fixed outer pair of stands 11 and slidably guided to each other or telescoping stand pairs 13, 15.
  • Free lift cylinder 17 extends upright in a see-through area 19 between the mast stands 11, 13, 15.
  • a seated on the driver's seat 5 of the forklift operator can use this see-through area 19 to observe the events in front of the forklift 1. Since the hydraulic cylinder 17 forms a view of the operator partially obstructing interference contour, it should be designed as slim as possible.
  • the lifting cylinder 17 has at its upper end in the Fig. 3a, 3b and 4 Changer 21 shown in more detail.
  • the Umlenkrollenvoriques 21 serves to deflect a lifting chain 23, which is fixed at one end at 24 to a crossbar 25 between the inner frame uprights 15 and thus also with respect to the cylinder housing 27 of the lifting cylinder 17 and the other end to the load bearing device. 9 is fixed so that it can pull the load bearing device 9 upwards when the piston rod 29 of the lifting cylinder 17 is extended upward.
  • the load bearing device 9 has a lifting carriage 30, which can be displaced upwardly and downwardly on the inner mast rack pair 15 and which carries a pair of fork tines 32 as load-receiving means.
  • the lifting cylinder 17 provided here as a free-lift cylinder can move the lifting carriage 30 upwards and downwards on the inner pair of stands 15 in a free lift by means of the lifting chain 23, without the telescoping function of the mast being already used.
  • hydraulic hoses 33 are led to the load carrying device 9 so that they can supply components for auxiliary hydraulic functions of the load bearing device 9 with hydraulic fluid.
  • additional functions can, for. B. include a telescoping or lateral displacement of the forks 32 on the lifting carriage 30. Since the hydraulic hoses 33 have to follow the lifting and lowering movements of the load bearing device 9 and yet should not run disorderly in the mast region, they are also on pulleys, namely on the additional pulleys 35 from the rear of the mast to led forward to the load bearing device 9. Tightening means (not shown) are provided to effect length adjustment of the hydraulic hoses 33 with slight tightening of the hydraulic hoses 33.
  • the pulley device 21 has a roller carrier as a U-shaped yoke 38 with a base 40 and two upwardly projecting U-legs 42.
  • the base 40 is seated on the upper end of the upward extendable piston rod 29 of the free-lifting cylinder 17 and is fixedly connected there by means of a screw connection with the piston rod 29.
  • the axis 44 of the Kettenumlenkrolle 36 is supported, so that the chain roller 36 is partially received between the two U-legs 42 of the roller carrier 38.
  • the roller axle 44 of Hubkettenumlenkrolle 36 has a central bearing portion 48, whose axial length is slightly smaller than the clear distance between the U-legs 42 of the roller support 38. On this cylindrical bearing portion 48 sits radially outside the actual roller or roller body 50, whose axial length essentially corresponds to the axial length of the cylindrical bearing portion 48. In the lower cross-sectional area of the roller axle 44 are axially on both sides of this, the mounting portions 46 to the outside. They form a respective step with an overlying recess 52.
  • the illustrated embodiment of the roller shaft 44 can be easily produced from a cylindrical base body with the diameter of the cylindrical bearing portion 48, that on both sides axially outside a semi-cylindrical segment Material removal is removed so that the axially aligned remaining semi-cylindrical segments eventually form the attachment ends 46.
  • Fig. 3b is a facing the viewer tremendousumlenkrollenarme 54 shown with an outbreak to show that the underlying attachment end 46 is received in a complementary semi-circular shaped seat 56 of the respective U-leg 42 of the roller holder 38.
  • Both attachment ends 46 of the roller axle 44 are supported in this manner on top of the U-legs 42 of the roller carrier 38 and fixed by means of a screw 58.
  • the roller axle 44 may also have differently shaped attachment ends with appropriate adaptation of the support surfaces of the roller carrier 38. Particular advantages of the invention are achieved if respective free spaces 52 are left to make room for the additional pulleys 35.
  • the Umlenkrollenvoriques 21 is constructed substantially symmetrical, on both sides of Hubkettenumlenkrolle 36, a respective viceumlenkrolle 35 is disposed on a soirumlenkrollenarme 54.
  • the Rajumlenkrollen 35 are rotatably mounted about a common physical axis of rotation 60 which is radially offset relative to the physical axis of rotation 62 Hubkettenumlenkrolle 36, but parallel thereto.
  • the Rajumlenkrollenarme 54 are elongated cranked plate members, which are fixed at its lower end laterally outside on the U-legs 42 of the roller carrier 38 by screw 64.
  • Each of the Rajumlenkrollenarme 54 has at its upper end a bearing bore 66 in which an axle 68 of an additional deflection roller 35 is mounted axially on one side.
  • the axle bolts 68 extend with their free axial ends along the physical axis of rotation 60 close to the Hubkettenumlenkrolle 36, so that the rotatably mounted on the axle 68 fontumlenkrollen 35 are brought close to the Hubkettenumlenkrolle 36.
  • the additional deflection rollers 35 are thus in the Gaps between the Rajumlenkrollenarmen 54 and the Hubkettenumlenkrolle 36 in a very space-saving manner, and they also engage in the recesses 52 of the roller axle 44 Hubkettenumlenkrolle 36, as shown in Fig. 4 easy to recognize.
  • the Vietnameselenkrollenarme 54 have upper protective covers 70 for the guide rollers 35, 36, wherein the protective covers 70 are also designed to save space and arranged.
  • the pulley device 21 is designed recognizable compact and locked on the lifting cylinder 17 in the see-through range 19 of the mast 7 only little visibility for a seated on the driver's seat 5 operator.

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

Claims (10)

  1. Cylindre de levage (17) avec un dispositif de rouleau de renvoi (21) pour un chariot de manutention (1), dans lequel le dispositif de rouleau de renvoi (21) présente un rouleau de renvoi de chaîne de levage (36) avec un axe de rouleau (44) et un corps de rouleau (50) pouvant tourner sur l'axe de rouleau, un support de rouleau (38) et au moins un rouleau de renvoi supplémentaire (35) agencé latéralement à côté du rouleau de renvoi de chaîne de levage (36), l'axe de rouleau (44) présentant une section de palier (48) de préférence cylindrique, reçue dans le corps de rouleau (50) et des extrémités de fixation (46) dépassant axialement des deux côtés de celui-ci vers l'extérieur, lesquelles sont fixées sur le support de rouleau (38),
    caractérisé en ce que le rouleau de renvoi supplémentaire (35) est agencé sur un support de rouleau de renvoi supplémentaire (54) de telle manière que son axe de rotation physique (60) soit décalé par rapport à l'axe de rotation physique (62) du rouleau de renvoi de chaîne de levage (36) et recouvre au moins par sections le rouleau de renvoi supplémentaire (35) dans le sens radial avec une des extrémités de fixation (46) de l'axe de rouleau (44) du rouleau de renvoi de chaîne de levage (36).
  2. Cylindre de levage selon la revendication 1, caractérisé en ce que les extrémités de fixation (46) de l'axe de rouleau (44) du rouleau de renvoi de chaîne de levage (36) dépassent axialement de celui-ci en formant un étage respectif avec un évidement (52) se trouvant au-dessus dans une zone de section transversale inférieure - pour un cylindre de levage (17) dressé - de la section de palier (48) cylindrique et en ce que le rouleau de renvoi supplémentaire (35) est agencé au moins en partie dans un des évidements (52).
  3. Cylindre de levage selon la revendication 1 ou 2, caractérisé en ce que le support de rouleau (38) est réalisé comme un étrier en forme de U avec une base (40) et deux branches en U (42) dépassant de celle-ci, et fixé par sa base (40) sur une extrémité supérieure pouvant être déployée - pour un cylindre de levage dressé (17) - du cylindre de levage (17), le rouleau de renvoi de chaîne de levage (36) étant fixé de manière rotative avec les extrémités de fixation (46) de son axe de rouleau (44) sur les branches en U (42), et reçu par endroits entre les branches en U (42).
  4. Cylindre de levage selon la revendication 3, caractérisé en ce que le support de rouleau de renvoi supplémentaire (54) est fixé sur le support de rouleau (38) et s'étend vers le haut avec une extrémité à l'extérieur le long d'une branche en U (42) du support de rouleau (38) au-delà de celui-ci - pour un cylindre de levage (17) dressé -, dans lequel il maintient sur cette une extrémité un axe (68) ou éventuellement l'arbre du rouleau de renvoi supplémentaire (35).
  5. Cylindre de levage selon la revendication 4, caractérisé en ce que l'axe (68) ou éventuellement l'arbre du rouleau de renvoi supplémentaire (35) est logé axialement d'un côté sur le support de rouleau de renvoi supplémentaire (54).
  6. Cylindre de levage selon l'une quelconque des revendications précédentes, caractérisé en ce que le support de rouleau de renvoi supplémentaire (54) porte un capot de protection (70) recouvrant à l'extérieur le rouleau de renvoi supplémentaire (35).
  7. Cylindre de levage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de rouleau de renvoi (21) présente un autre rouleau de renvoi supplémentaire (35), dans lequel les rouleaux de renvoi supplémentaires (35, 35) sont prévus dans un agencement au moins approximativement symétrique par rapport au rouleau de renvoi de chaîne de levage (36) de part et d'autre du rouleau de renvoi de chaîne de levage (36) sur des supports de rouleau de renvoi supplémentaires (54).
  8. Cadre de levage (7) pourvu de montants de cadre de levage (11, 13, 15) et d'un dispositif porteur de charge (9) guidé de manière levable et abaissable sur ces montants, d'un cylindre de levage (17) selon l'une quelconque des revendications précédentes et d'une chaîne de levage (23) coagissant avec le cylindre de levage (17) pour le dispositif porteur de charge (9), le cylindre de levage (17) étant agencé dans une zone de transparence (19) du cadre de levage (7) entre des montants de cadre de levage (11, 13, 15).
  9. Cadre de levage selon la revendication 8, caractérisé en ce qu'il est un cadre de levage insérable l'un dans l'autre, par exemple un triple cadre de levage, et en ce que le cylindre de levage (17) est un cylindre de levage libre dedans.
  10. Chariot de manutention (1) pourvu d'un cadre de levage (7) selon la revendication 8 ou 9.
EP14701094.6A 2013-01-31 2014-01-22 Vérin de levage pourvu d'un dispositif à poulies de renvoi pour engin de manutention Active EP2951118B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013201655.7A DE102013201655A1 (de) 2013-01-31 2013-01-31 Hubzylinder mit einer Umlenkrollenvorrichtung für ein Flurförderzeug
PCT/EP2014/051216 WO2014118050A1 (fr) 2013-01-31 2014-01-22 Vérin de levage pourvu d'un dispositif à poulies de renvoi pour engin de manutention

Publications (2)

Publication Number Publication Date
EP2951118A1 EP2951118A1 (fr) 2015-12-09
EP2951118B1 true EP2951118B1 (fr) 2017-03-15

Family

ID=49999969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14701094.6A Active EP2951118B1 (fr) 2013-01-31 2014-01-22 Vérin de levage pourvu d'un dispositif à poulies de renvoi pour engin de manutention

Country Status (5)

Country Link
US (1) US9611129B2 (fr)
EP (1) EP2951118B1 (fr)
CN (1) CN105073625B (fr)
DE (1) DE102013201655A1 (fr)
WO (1) WO2014118050A1 (fr)

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JPS5326384B2 (fr) 1972-07-25 1978-08-02
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US4585093A (en) * 1984-05-18 1986-04-29 Clark Equipment Company Upright for lift truck
US4600084A (en) * 1984-11-08 1986-07-15 Allis-Chalmers Corporation Hydraulic manifold for two and three stage masts
US4721187A (en) * 1987-03-23 1988-01-26 The Raymond Corporation Lift truck mast structure
US4896748A (en) * 1988-05-27 1990-01-30 Caterpillar Industrial Inc. Full free lift mast assembly
JP2720708B2 (ja) * 1992-05-21 1998-03-04 日産自動車株式会社 フォークリフトにおけるチェーンプロテクタ
JPH07157295A (ja) * 1993-12-01 1995-06-20 Toyota Autom Loom Works Ltd フォークリフトの油圧配管構造
JPH07187594A (ja) * 1993-12-27 1995-07-25 Toyota Autom Loom Works Ltd フリーリフト式フォークリフトの油圧配管構造
KR0111588Y1 (en) * 1995-12-30 1997-12-22 Daewoo Heavy Ind Co Ltd Structure of establishment of attachment oil pressure in fork lift truck
JP3697837B2 (ja) * 1997-06-06 2005-09-21 株式会社豊田自動織機 フォークリフトの油圧配管装置
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JP2005053597A (ja) * 2003-08-04 2005-03-03 Toyota Industries Corp 産業車両の油圧配管構造
US7096999B2 (en) 2003-08-05 2006-08-29 The Raymond Corporation Mast construction for a lift truck
JP4806985B2 (ja) * 2005-07-15 2011-11-02 株式会社豊田自動織機 産業車両のリフト装置
JP5157702B2 (ja) * 2008-07-15 2013-03-06 株式会社豊田自動織機 フォークリフトの配管装置
WO2010030797A1 (fr) 2008-09-12 2010-03-18 Crown Equipment Corporation Mât unique pour véhicule de manutention de matériaux
EP3088349A1 (fr) * 2013-12-11 2016-11-02 Hyster-Yale Group, Inc. Bec de tuyau de mat pour chariot elevateur

Also Published As

Publication number Publication date
CN105073625A (zh) 2015-11-18
US9611129B2 (en) 2017-04-04
EP2951118A1 (fr) 2015-12-09
WO2014118050A1 (fr) 2014-08-07
CN105073625B (zh) 2017-07-28
DE102013201655A1 (de) 2014-07-31
US20150360922A1 (en) 2015-12-17

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