EP2457867A1 - Chariot de manutention, notamment empileuse à fourche, doté d'un entraînement hybride - Google Patents

Chariot de manutention, notamment empileuse à fourche, doté d'un entraînement hybride Download PDF

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Publication number
EP2457867A1
EP2457867A1 EP12156690A EP12156690A EP2457867A1 EP 2457867 A1 EP2457867 A1 EP 2457867A1 EP 12156690 A EP12156690 A EP 12156690A EP 12156690 A EP12156690 A EP 12156690A EP 2457867 A1 EP2457867 A1 EP 2457867A1
Authority
EP
European Patent Office
Prior art keywords
truck
electrical energy
energy store
energy storage
truck according
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
EP12156690A
Other languages
German (de)
English (en)
Other versions
EP2457867B9 (fr
EP2457867B1 (fr
Inventor
Dr. Joachim Tödter
Dr. Patrick Scheunemann
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.)
STILL GmbH
Original Assignee
STILL GmbH
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 STILL GmbH filed Critical STILL GmbH
Publication of EP2457867A1 publication Critical patent/EP2457867A1/fr
Application granted granted Critical
Publication of EP2457867B1 publication Critical patent/EP2457867B1/fr
Publication of EP2457867B9 publication Critical patent/EP2457867B9/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66F9/07572—Propulsion arrangements
    • 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
    • B66F9/07513—Details concerning the chassis
    • B66F9/07531—Battery compartments
    • 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
    • B66F9/07545—Overhead guards
    • 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
    • B66F9/07595—Cooling arrangements for device or operator

Definitions

  • the invention relates to an industrial truck, in particular counterweight forklift, with a hybrid drive train, comprising a driven by an internal combustion engine drive unit, in particular an electric traction unit, and an electrical energy storage, wherein the truck has a vehicle frame, which forms an aggregate space below a driver's roof.
  • the traction drive unit comprises a current-supplying power supply unit, which is formed by a drivable by the internal combustion engine generator which generates the electrical energy for at least one traction drive motor.
  • the traction drive motor is usually designed as a three-phase motor, for example asynchronous motor, which is preceded by a converter.
  • the converter has in this case a power electronics, which converts the AC voltage of the generator in a DC system, from which the voltage system is generated for the three-phase motor.
  • Such internal combustion engine electric drive systems have good controllability at high efficiencies.
  • trucks can be provided with a combustion engine-electric drive system in a simple way with a hybrid drive train by an electrical energy storage is provided, in addition to the engine, for example, to supply the traction drive motor or via the engine operated as a generator to support the engine during the drive from other units, such as a hydraulic power supply hydraulic pump is used.
  • a generic truck with a hybrid drive train is known in which the internal combustion engine and designed as a battery electrical energy storage of the hybrid drive are arranged in an aggregate space, which is formed by a vehicle frame below a driver's roof.
  • the battery of the hybrid powertrain may be disposed in the engine room before the engine, laterally adjacent to the engine, or under the engine to increase the distance to the rear-side radiator for the engine.
  • the GB 958 162 A discloses a truck with an electric traction motor, are provided for the supply of electrical energy batteries, which are arranged in lateral receiving spaces of a vehicle frame, which are separated by a centrally arranged frame box. Instead of two batteries can be arranged in a receiving space of the vehicle frame, a battery and in the second, opposite receiving space an internal combustion engine with a generator as a power source.
  • the receiving spaces are arranged on a bottom plate of the vehicle frame and separated by the central frame box through which extends from the electric traction motor, which is arranged in the region of the counterweight, to a drive shaft guided drive shaft.
  • a hood is arranged, on which a driver's seat is arranged.
  • the present invention has for its object to provide a generic truck available, in which the electrical energy storage is advantageously positioned.
  • This object is achieved in that the electrical energy storage of the hybrid drive train is arranged on the truck outside the aggregate space formed under the driver's shelter roof.
  • the inventive arrangement of the electrical energy storage outside of the unit space is a simple way advantageous positioning of the electrical energy storage allows.
  • the arrangement of the energy storage outside of the aggregate space results in no or only a small effect of waste heat from the other vehicle components, such as the power electronics, hydraulic oil cooling or internal combustion engine, which for the electrical energy storage a long life can be achieved.
  • a good accessibility of the energy storage can be achieved by the arrangement of the electrical energy storage outside of the aggregate space, wherein continued for the arranged in the unit room components good accessibility is maintained.
  • the inventive arrangement of the electrical energy storage thus a high maintenance and service friendliness is achieved both for the electrical energy storage and for the arranged in the unit room further components and units of the truck.
  • the electrical energy storage is arranged and / or fixed on a driver's roof of the truck.
  • an arrangement of the Energy storage within the vehicle width and the vehicle length can be achieved in a simple manner, while still the driver's view is not affected by the attachment of the energy storage.
  • the electrical energy storage is arranged and / or fixed to a counterweight facing the rear side of the driver's roof. This can be achieved in a simple manner that the energy storage is not only within the vehicle width and the vehicle length, but also within the vehicle height, wherein the energy storage is within the vehicle contour and thus compact dimensions of a truck according to the invention can be achieved with an energy storage.
  • the electrical energy store is arranged and / or fixed in the upper region of the rear side of the driver's protection roof.
  • Such a mounting location is particularly advantageous, as further given by the high mounting above the roadway, a low dust-laden environment.
  • cooling air in conjunction with cooling of the electrical energy storage can be sucked from the environment in a simple way cooling air, which is particularly little dust-laden.
  • the driver's shelter roof comprises rear-side, substantially vertical struts and upper, substantially horizontal struts, wherein the electrical energy storage is arranged and / or fixed to the substantially vertical struts and / or the substantially horizontal struts.
  • the energy storage can be easily arranged on the back of the driver's roof, in particular on the upper rear-side area of the driver's roof, or on the driver's roof.
  • the electrical energy storage is arranged and / or fixed on a counterweight of the truck.
  • Such an arrangement of the energy storage allows attachment of the energy storage with little additional construction costs, as on the driver's shelter roof no conversions, such as stability-increasing Stiffeners, for the attachment of the energy storage are required.
  • an industrial truck according to the invention can be derived with a hybrid drive train by additional arrangement of an electrical energy storage in a simple manner and with low construction costs of a truck with an internal combustion engine drive system.
  • the arrangement of the electrical energy storage on the counterweight in a simple way allows retrofitting a truck with an internal combustion engine drive system with an electrical energy storage and thus the upgrade of the truck with a hybrid drive train.
  • Particular advantages arise when the electrical energy storage is provided with a cooling device.
  • the attachment of the energy storage outside of the unit room also allows to easily suck in cooling air from a little dusty environment.
  • the energy storage is elastic and / or damped attached to the truck.
  • Industrial trucks are usually designed as unsprung vehicles. By a sprung and / or damped suspension of the energy storage can be reduced to the electrical energy storage in a simple manner during operation of the truck shocks.
  • the energy storage is pivotally mounted according to an embodiment of the invention on the truck.
  • a pivotable or hinged arrangement of the energy storage can be achieved in particular by an arrangement of the electrical energy storage on the counterweight with low construction cost good and easy accessibility of other components of the truck by simply folding away or swinging away the energy storage.
  • the electrical energy storage device can be formed by a high-performance battery according to a preferred embodiment of the invention.
  • the electrical energy storage at least one capacitor, in particular a Double-layer capacitor or an electrolytic capacitor having.
  • Double-layer capacitors so-called ultra-caps, are particularly suitable as electric energy storage devices in industrial trucks, since they have a high power and energy density as well as high efficiency and a high number of cycles and thus a long service life.
  • double-layer capacitors can absorb high currents quickly and release quickly, so that braking energy can be recovered and stored with such an energy storage when braking the truck, which can be used in an acceleration process of the truck to supply the traction drive motor or to supply other units.
  • the formation of the electrical energy storage is possible as an electrochemical storage.
  • the electric traction drive unit comprises a power supply unit which supplies power and which is formed by a generator which can be driven by means of the internal combustion engine, and at least one traction drive motor designed as a three-phase motor.
  • a truck with an internal combustion engine electric drive system can be formed with an electrical energy storage device and its arrangement according to the invention in a simple manner, a hybrid powertrain.
  • FIG. 1 is designed as a counterbalance forklift inventive truck 1 shown in a plan view of the unit space 4.
  • the truck 1 has a vehicle frame 2, which forms a unit space 4 below a driver's roof 3, which may be formed for example by a driver's cab.
  • the truck 1 is provided with two drive wheels 5 and in the load-remote area with at least one steered wheel 6.
  • a mast 7 is arranged, on which a trained example as a load lifting load lifting device 8 is arranged up and down.
  • the truck 1 is provided with a counterweight 9.
  • the truck 1 is provided with an internal combustion engine electric drive system comprising an electric traction unit 10.
  • the traction drive unit 10 has a stromumblede power supply unit, which is formed by an example designed as a diesel engine combustion engine 11 and a drivingly connected to the engine 11 electrical generator 12.
  • the electrical energy generated by the generator 12 is supplied to a converter provided with a power electronics 13, by means of at least one arranged in or on a drive shaft 14 electric traction drive motor 15, for example, designed as an asynchronous three-phase motor, can be supplied with electrical energy.
  • the traction drive motor 15 is in this case, for example, with the interposition of a differential gear 16 and two reduction gears 17 with the drive wheels 5 to the drive in operative connection.
  • a dual motor axle can likewise be provided, in each of which a traction motor with the interposition of a reduction gear with the corresponding drive wheel 5 is in operative connection.
  • the internal combustion engine 11, the generator 12, the power electronics 13 and the drive shaft 14 with the traction motor 15 are in this case together with other components and ancillary components, such as a hydraulic pump 18 for supplying a working hydraulics and a heat exchanger 19, in the unit space 4 of the truck 1 arranged.
  • an electrical energy store 25 is arranged outside the unit space 4.
  • the electrical energy storage 25 on the driver's roof 3 of the truck 1 is arranged.
  • the energy store 25 can be fastened, for example, to upper, substantially horizontal struts 3a of the driver's protection roof 3.
  • the electrical energy store 25 is arranged on a rear side of the driver's protection roof 3 facing the counterweight 9.
  • the energy store 25 is in this case arranged at the upper region of the rear side of the driver's protection roof 3 and is fastened, for example, to the rear-side, substantially vertical struts 3b of the driver's protection roof 3.
  • the energy storage 25 in this rearwardly projecting position to the substantially horizontal struts 3a of the driver's roof 3 to secure.
  • the energy storage 25 disposed on the counterweight 9 of the truck 1 and / or fixed.
  • the energy store 25 can be arranged to be foldable about a substantially vertical or essentially horizontal pivot axis, for example about a lateral vertical pivot axis or about a rear-side horizontal pivot axis.
  • a suitable pivoting or folding mechanism to which the electrical energy storage is attached and which is placed on the counterweight 9 the energy storage 25 can be easily pivoted or folded away to facilitate accessibility to other components of the truck 1.
  • the inventive arrangement of the energy storage 25 outside of the unit space 4 has a number of advantages.
  • the energy storage 25 is in a simple manner from several sides, in particular from above, from the left, from the right, from behind, according to the FIG. 3 still accessible from below.
  • the arrangement outside the unit space 4 thus easy accessibility of the energy storage 25 is achieved for maintenance and service work.
  • the arrangement of the energy store 25 outside the unit space 4 is avoided that waste heat from other components and units of the truck 1, in particular of the internal combustion engine 11, the power electronics 13 and a hydraulic oil cooling, acts on the electrical energy storage 25.
  • the arrangement of the energy storage device 25 outside of the unit space 4 further allows in a simple manner the suction of cooling air from the environment, whereby an effective cooling of the energy storage 25 is achieved in a simple manner.
  • an arrangement of the energy storage 25 according to the Figures 2 and 3 is a Ansaugort high above the roadway in a little dusty environment achievable.
  • the energy storage 25 this remains in a simple manner within the vehicle contour, in particular the vehicle width and the vehicle length, whereby no protruding parts caused by the energy storage 25.
  • an arrangement of the energy store 25 according to the Figures 3 and 4 Furthermore, an arrangement of the energy store 25 within the vehicle height is achieved, so that the energy store 25 is arranged completely within the vehicle contour and does not lead to any enlargement of the vehicle dimensions.
  • the arrangement of the energy storage 25 outside of the unit space 4 further allows retrofitting existing trucks with an internal combustion engine drive system, in particular a combustion engine-electric drive system, with the electrical energy storage 25, since no redesigns within the truck, especially within the unit space 4 are required.
  • the truck according to the invention with a hybrid drive train can also be derived in a simple manner from a truck with an internal combustion engine-electric drive system.
  • connection of the energy store 25 to the power electronics 13 for loading and unloading the energy storage 25 can be done in a simple manner by means of a permanently laid or flexible cable connection, for example, formed by an electrical connection cable.

Landscapes

  • 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)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
EP12156690.5A 2008-04-16 2009-03-05 Chariot de manutention, notamment empileuse à fourche, doté d'un entraînement hybride Not-in-force EP2457867B9 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008019289 2008-04-16
DE102008025142A DE102008025142A1 (de) 2008-04-16 2008-05-26 Flurförderzeug, insbesondere Gabelstapler, mit einem Hybridantrieb
EP20090003199 EP2110358B1 (fr) 2008-04-16 2009-03-05 Chariot de manutention, notamment empileuse, doté d'un entraînement hybride

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP09003199.8 Division 2009-03-05
EP20090003199 Division EP2110358B1 (fr) 2008-04-16 2009-03-05 Chariot de manutention, notamment empileuse, doté d'un entraînement hybride

Publications (3)

Publication Number Publication Date
EP2457867A1 true EP2457867A1 (fr) 2012-05-30
EP2457867B1 EP2457867B1 (fr) 2015-07-29
EP2457867B9 EP2457867B9 (fr) 2015-10-14

Family

ID=40765545

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12156690.5A Not-in-force EP2457867B9 (fr) 2008-04-16 2009-03-05 Chariot de manutention, notamment empileuse à fourche, doté d'un entraînement hybride
EP20090003199 Not-in-force EP2110358B1 (fr) 2008-04-16 2009-03-05 Chariot de manutention, notamment empileuse, doté d'un entraînement hybride

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20090003199 Not-in-force EP2110358B1 (fr) 2008-04-16 2009-03-05 Chariot de manutention, notamment empileuse, doté d'un entraînement hybride

Country Status (2)

Country Link
EP (2) EP2457867B9 (fr)
DE (1) DE102008025142A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011013317A1 (de) 2011-02-21 2012-08-23 Still Gmbh Gegengewichtsgabelstapler mit einem Hybridantrieb
CN110303936B (zh) * 2018-09-12 2021-06-29 林德（中国）叉车有限公司 一种叉车用备用电源存放装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB937675A (en) * 1959-12-04 1963-09-25 Linde Eismasch Ag Improvements in or relating to fork lift trucks
GB958162A (en) 1962-05-07 1964-05-13 Lansing Bagnall Ltd Improvements in or relating to industrial vehicles
US4026378A (en) * 1975-11-28 1977-05-31 Clark Equipment Company Electric lift truck body construction
EP0879724A2 (fr) * 1997-05-22 1998-11-25 Still Gmbh Chariot de manutention avec appareillage électrique
DE102005007584A1 (de) * 2005-02-18 2006-08-31 Still Gmbh Flurförderzeug mit einer horizontal entnehmbaren Energieversorgungseinheit
US20070090808A1 (en) * 2005-10-19 2007-04-26 Mccabe Paul P Lift Truck With Hybrid Power Source
EP1897843A2 (fr) 2006-09-08 2008-03-12 Kabushiki Kaisha Toyota Jidoshokki Véhicule industriel hybride

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB937675A (en) * 1959-12-04 1963-09-25 Linde Eismasch Ag Improvements in or relating to fork lift trucks
GB958162A (en) 1962-05-07 1964-05-13 Lansing Bagnall Ltd Improvements in or relating to industrial vehicles
US4026378A (en) * 1975-11-28 1977-05-31 Clark Equipment Company Electric lift truck body construction
EP0879724A2 (fr) * 1997-05-22 1998-11-25 Still Gmbh Chariot de manutention avec appareillage électrique
DE102005007584A1 (de) * 2005-02-18 2006-08-31 Still Gmbh Flurförderzeug mit einer horizontal entnehmbaren Energieversorgungseinheit
US20070090808A1 (en) * 2005-10-19 2007-04-26 Mccabe Paul P Lift Truck With Hybrid Power Source
EP1897843A2 (fr) 2006-09-08 2008-03-12 Kabushiki Kaisha Toyota Jidoshokki Véhicule industriel hybride

Also Published As

Publication number Publication date
EP2110358A1 (fr) 2009-10-21
EP2457867B9 (fr) 2015-10-14
EP2110358B1 (fr) 2012-06-13
EP2457867B1 (fr) 2015-07-29
DE102008025142A1 (de) 2009-10-22

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