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WO2014162323A1 - Agencement de bloc de caisse de marchandises pour chariot élévateur à fourche comprenant des moyens de fourche et chariot élévateur à fourche associé - Google Patents

Agencement de bloc de caisse de marchandises pour chariot élévateur à fourche comprenant des moyens de fourche et chariot élévateur à fourche associé Download PDF

Info

Publication number
WO2014162323A1
WO2014162323A1 PCT/IT2014/000090 IT2014000090W WO2014162323A1 WO 2014162323 A1 WO2014162323 A1 WO 2014162323A1 IT 2014000090 W IT2014000090 W IT 2014000090W WO 2014162323 A1 WO2014162323 A1 WO 2014162323A1
Authority
WO
WIPO (PCT)
Prior art keywords
cargo box
forklift
fork
arms
arrangement
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.)
Ceased
Application number
PCT/IT2014/000090
Other languages
English (en)
Inventor
Giampiero FINIZIO
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.)
ANTY Srl
Original Assignee
ANTY Srl
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 ANTY Srl filed Critical ANTY Srl
Priority to EP14732424.8A priority Critical patent/EP2981497A1/fr
Publication of WO2014162323A1 publication Critical patent/WO2014162323A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B66F9/186—Container lifting frames
    • 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
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/125—Platforms; Forks; Other load supporting or gripping members rotatable about a longitudinal axis
    • 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
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/14—Platforms; Forks; Other load supporting or gripping members laterally movable, e.g. swingable, for slewing or transverse movements
    • B66F9/142—Movements of forks either individually or relative to each other
    • B66F9/143—Movements of forks relative to each other - symmetric
    • 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
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B66F9/185—Load gripping or retaining means by internally expanding grippers

Definitions

  • This invention concerns a cargo box block arrangement for forklift truck, of a typology that employs forklift means, as well as a forklift truck provided with the related cargo box block arrangement.
  • Main application field of this invention is agricultural machinery.
  • lift trucks provided with forklift means are generally used for loading and unloading cargo boxes containing agricultural products, such as olives or tomatoes.
  • the present invention aims to solve the above mentioned drawbacks of prior art and to indicate a cargo box block arrangement for forklift trucks with forklift means and related forklift truck, which ensure handling and tipping of cargo boxes in total safe and efficiency.
  • a purpose of the invention is to realize handling and tipping of cargo boxes by means of an easy, reliable and handy to be implemented solution.
  • the object of the present invention is a cargo box block arrangement for forklift truck with forklift means and related forklift truck, according to the features of the enclosed claims.
  • the cargo box block arrangement is of a type comprising forklift means provided with fork arms, adapted to be engaged with a cargo box for its lifting and lowering, as well as comprising gripping means associated to the forklift means for locking the cargo box to said fork arms.
  • the device is characterized in that the gripping means comprise spreading out means associated with said forklift means for gripping the fork arms to perimetral elements of the cargo box, in particular inside the cargo box feet in case of a cargo box of a pallet type.
  • the gripping means comprise spreading out means associated with said forklift means for gripping the fork arms to perimetral elements of the cargo box, in particular inside the cargo box feet in case of a cargo box of a pallet type.
  • the invention allows to use substantially the same fork arms usually and genuinely supplied in the forklift trucks inasmuch the spreading out means interlink efficiently to the original arms, with no need for their replacement, as it will be cleared hereafter. So, the invention is useful, easy and un expensive to be implemented.
  • the spreading out means are of an exclusively mechanically and hydraulically operated type, in particular by applying a branch of the same operative hydraulic circuit as supplied with forklift trucks.
  • FIG. 1 shows a perspective view of a forklift truck provided with a cargo box block arrangement according to the invention, during the tipping operation of a cargo box;
  • FIG. 2 shows a partially exploded perspective view of a cargo box block arrangement of the invention of figure 1;
  • FIGS. 3 and 4 illustrate, in bottom view, the cargo box block arrangement of figure 2 in two different operative configurations of the forklift truck of figure 1, i.e. with cargo box block arrangement respectively being disabled and enabled;
  • FIG. 1 With reference to figures 1 to 4, with 16 is indicated as a whole a forklift truck according to the invention, which in front is provided with a cargo box block arrangement with forklift means5 1-11, 17, 18 associated with a tipping device 15 for tipping a cargo box 12, in particular of a pallet type as typically used in the agricultural field.
  • Cargo box 12 is of a type provided with perimetral elements, in particular placed inferiorly to the cargo box 12 at the angular extremities of the related base, for example feet 13, 14 in a substantially parallelepiped structure, among which a pair of front feet 14 and rear feet 13 are present; front feet are meant the closest pair and rear feet0 are meant the more distant pair of feet with reference to the cab of the forklift 16 in an operative condition of lifting and / or tipping of the cargo box 12, as in figures 1, 3 and 4.
  • tipping device 15 and the elements, devices and systems different from the cargo box block arrangement being present on the forklift truck 16 are not further detailed and described as they are already known as prior art.
  • the cargo box block arrangement comprises forklift means, being constituted for example of a support plate for fork bearer 1, associable with the tipping device 15 of the forklift truck 16 through known means and in such a way that it can be rotated with respect to an axis substantially orthogonal to the same plate 1, on which are fixed fork bearer means as sliding guide, for example a pair of fork bearer crosspieces 2, 3 being shaped in such a way to constitute sliding guides for a pair of fork arms 7, 9 being shaped to the purpose.
  • forklift means being constituted for example of a support plate for fork bearer 1, associable with the tipping device 15 of the forklift truck 16 through known means and in such a way that it can be rotated with respect to an axis substantially orthogonal to the same plate 1, on which are fixed fork bearer means as sliding guide, for example a pair of fork bearer crosspieces 2, 3 being shaped in such a way to constitute sliding guides for a pair of fork arms 7, 9 being shaped to
  • each arm fork 7, 9 is in shape of a rotated L , with a lower part aimed to support and lift the cargo box 12, and an elevated part which has, externally, a pair of beak guides aimed to be inserted, with clearance, in transverse sliding on protrusions being externally shaped to the crosspieces 2, 3.
  • the configuration of the forklift means as described and according to the invention allows the fork arms 7, 9 sliding on the fork bearer crosspiece 2, 3, then the fork arms 7, 9 widening which allows the cargo box block arrangement to be adapted to different width sizes, so contributing to maintain the same cargo box stable and safe when it is loaded on the fork arms of the forklift truck to be moved or tipped.
  • the spreading out means 4-6, 8, 10, 11, 17, 18 are associated with the fork arms 7, 9 for the grip of the fork arms 7, 9 to the perimetral elements of the cargo box 12, in particular at the inside of the foot 13, 14 of the cargo box 12, in case of pallet box.
  • the above mentioned spreading out means comprise, more in detail
  • - pivot means associated to the support plate 1 and usefully placed close to the lateral extremities of the same plate 1, with a rotation axis being substantially orthogonal to the gripping plane of the fork arms 7, 9, i.e. the plane as identified by the lower parts of the fork arms 7, 9, for example eyelets 4, 5 being integral with the plate 1 and positioned in a staggered way between the fork bearer crosspiece 2, 3, with the axes of the holes being substantially orthogonal to said gripping plane;
  • linear displacement actuating means preferably of a hydraulically operated type, being associated at one extremity to the pivot means and at the other extremity to the pair of transmission arms 6, 10, for example a pair of hydraulic pistons 8, 11 hinged at an extremity to the respective eyelets 4, 5 and at the other extremity to the corresponding transmission arm 6, 10;
  • - rotation locking means associated to the transmission arms 6, 10 and the fork arms 7, 9 so as to prevent the relative rotation and preferably also the relative transverse translation of each fork arm 7, 9 with respect to the corresponding transmission arm 6, 10; for example they are locking rings 17, 18 shaped as to embrace, together with an end portion of the transmission arm 6, 10, a cross section of the respective fork arm 7, 9, the rings 17, 18 being fixed each one to its corresponding transmission arm 6, 10 by fastening means, for example threaded tie rods and lock nuts, so as to allow the transmission of the transverse force and angular torque from the transmission arms 6, 10 to the fork arms 7, 9.
  • fastening means for example threaded tie rods and lock nuts
  • Such kinematic condition allows mat the force explicated by the hydraulic pistons 8, 11 is transmitted, as well as transverse thrust, as further angular torque to open the fork arms 7, 9 so as to lock, by friction, before the internal faces of the frontal feet 14 and men the inner faces of the rear feet 13 of the perimetral elements of the cargo box 12, as it will be clarified with the description of related operation.
  • the spreading out means are of an exclusively mechanically operated type.
  • the spreading out means are of a hydraulically driven type, in particular by employing for its operation a branch of the hydraulic circuit outgoing from a control system of devices and systems as genuinely supplied to the forklift truck.
  • Such branch not shown for simplicity so as the mentioned system, is associated with the spreading out means, in particular with the linear displacement actuating means, i.e.
  • the hydraulic pistons 8, 11 apply a thrust force with a transverse component such as to widen laterally the fork arms 7, 9 until the fork arms come into contact with one or more internal parts of the perimetral elements of the cargo box 12, in the example primarily on the inner face of the rear feet 14 of the cargo box 12 close to it, producing a first grip strength; at the same time, due to the kinematic constraint produced by the inner surface 14 of the same rear feet, this induces a slight rotation to open the protruding extremities of the fork arms, so as to spread them out.
  • the thrust action of the pistons 8, 11 leads to an increase of the longitudinal component directed towards the lower part of the fork arms 7, 9, in addition to the transverse component guaranteeing the grip of the rear feet 14.
  • This component generates an angular torque aimed to open the fork arms 7, 9 which are able to rotate, thanks to their respective assembling with clearance on the fork bearer 2, 3; so, it is generated the opening of the lower extremities of the fork arms 7, 9 which spread out to form a large V.
  • the cargo box 12 grip is advantageously carried out by loads being distributed on the entire perimeter of its base, i.e. in a poised, stable and balanced way.
  • the cargo box 12 may be further blocked by f top-down cargo box block means moving top- down and operating in pushing on one of its front wall, possibly being present in association with the tipping device 15 of the forklift truck 16 and not detailed for simplicity as already known, for example, in the same way as illustrated and described in the Italian document BA2011U00013.
  • the reversal and/or tipping of the cargo box 12 is carried out in total safety, i.e. without big bending stresses of its front wall bonded to the top-down grip.
  • the control system commands the release of the cargo box 12 by generating a hydraulic pressure such in a way that the linear displacement actuating means, i.e. the hydraulic pistons 8, 11 are shortened, therefore retracting the respective transmission arms 6, 10 and fork arms 7, 9 so disengaging the front feet 13 and then the rear ones 14, and returning to the configuration of sole support of figure 3.
  • the fork arms spread out in a wide V shape, they move and rotate to open and intercept the perimetral elements along the whole extension of the base perimeter of the cargo box; therefore, as in the example taken into account, they exert pressure against all the feet of the cargo box with a respective external surface thereof till blocking them, so allowing the subsequent safely ad affordable movement in tipping.
  • the cargo box block arrangement according to the invention is provided with few simple elements which ensure the functionality, convenience and low-cost thereof.
  • the transmission arms 6, 10 are reciprocally similar and essentially interchangeable, thus allowing the free use of fork arms 7, 9 of different dimensions, with no need to change the whole support plate 1, so just employing transmission arms 6, 10 of the right length and with a respective portion of extremity shaped in order to embrace the cross-section of the respective fork arm 7, 9 with their rings 17, 18; i.e. the cargo box block arrangement is implemented just by adapting and conforming the fork arms as genuinely provided with the forklift truck, with no need to replace them, therefore in a simple, practical and inexpensive way.
  • the spreading out means may be constituted of a kinematic arrangement associated with the support plate and with linear displacement actuating means in such a way that, connected by pulleys to the fork arms, it is able to spread them out forming a wide V under the action of an extension and/or a shortening of the actuating means, so as to generate an angular torque necessary for the stable locking of the perimetral elements of the cargo box by friction, similarly to what has been already described.

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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)
  • Forklifts And Lifting Vehicles (AREA)
  • Handcart (AREA)

Abstract

La présente invention concerne un agencement de bloc de caisse de marchandises pour un chariot élévateur à fourche comprenant des moyens de fourche (1-3, 7, 9) pourvus de bras de fourche (7, 9) conçu pour être mis en prise avec une caisse de marchandises (12) pour son levage et son abaissement, des moyens de saisie associés aux moyens de fourche (1-3, 7, 9) permettant de verrouiller la caisse de marchandises (12) auxdits bras de fourche (7, 9). La présente invention est caractérisée en ce que les moyens de saisie comprennent des moyens de déploiement (4-6, 8, 10, 11, 17, 18) associés auxdits moyens de fourche (1-3, 7, 9) permettant la saisie des bras de fourche (7, 9) par des éléments périmétriques (13, 14) de la caisse de marchandises (12).
PCT/IT2014/000090 2013-04-02 2014-03-31 Agencement de bloc de caisse de marchandises pour chariot élévateur à fourche comprenant des moyens de fourche et chariot élévateur à fourche associé Ceased WO2014162323A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14732424.8A EP2981497A1 (fr) 2013-04-02 2014-03-31 Agencement de bloc de caisse de marchandises pour chariot élévateur à fourche comprenant des moyens de fourche et chariot élévateur à fourche associé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITNA2013A00019 2013-04-02
IT000019A ITNA20130019A1 (it) 2013-04-02 2013-04-02 Bloccacassone con bracci a forchetta per forche di carrello elevatore e rovesciatori che consente la presa del cassone allargando le forche di presa a v e bloccando cosi¿ contemporaneamente i quattro piedi del cassone

Publications (1)

Publication Number Publication Date
WO2014162323A1 true WO2014162323A1 (fr) 2014-10-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2014/000090 Ceased WO2014162323A1 (fr) 2013-04-02 2014-03-31 Agencement de bloc de caisse de marchandises pour chariot élévateur à fourche comprenant des moyens de fourche et chariot élévateur à fourche associé

Country Status (3)

Country Link
EP (1) EP2981497A1 (fr)
IT (1) ITNA20130019A1 (fr)
WO (1) WO2014162323A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3412622A1 (fr) * 2017-06-08 2018-12-12 Lift Technologies, Inc. Appareil de chariot à fourches pour chariot élévateur et son ensemble de soupape
CN112794244A (zh) * 2018-11-08 2021-05-14 泉州台商投资区长芳设计有限公司 一种叉装车活动伸缩臂及使用方法
US11193287B2 (en) * 2016-09-23 2021-12-07 Sh Technologies Pte Ltd Construction system and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971662A (en) * 1957-12-30 1961-02-14 Clark Equipment Co Box rotator attachment
US4272217A (en) * 1978-02-22 1981-06-09 Robert Sefcik Fork lift attachment system
DE8005629U1 (de) * 1980-03-01 1989-12-07 Kaup GmbH & Co KG Gesellschaft für Maschinenbau, 63741 Aschaffenburg Lastaufnahmeeinrichtung für Hublader
US20030091419A1 (en) * 2001-11-15 2003-05-15 Haas Richard P. Seed box inverter
DE202004006091U1 (de) * 2004-04-16 2004-06-09 Transort Gmbh Aufnahmevorrichtung für ein kastenförmiges Gut
IT1383934B (it) 2007-01-29 2010-12-23 Levantagri Srl Sistema di bloccaggio cassoni con cilindro idraulico a doppia funzione , per il rovesciamento di prodotti ortofrutticoli sfusi , nonche' prodotti manufatturieri e minuterie varie
ITBA20110013U1 (it) 2011-04-08 2012-10-09 Levantagri Srl Sistema multi-contact di bloccaggio cassoni con cilindro idraulico a tripla funzione

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030308Y2 (ja) * 1980-03-21 1985-09-11 日本輸送機株式会社 荷役用４面クランプ装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971662A (en) * 1957-12-30 1961-02-14 Clark Equipment Co Box rotator attachment
US4272217A (en) * 1978-02-22 1981-06-09 Robert Sefcik Fork lift attachment system
DE8005629U1 (de) * 1980-03-01 1989-12-07 Kaup GmbH & Co KG Gesellschaft für Maschinenbau, 63741 Aschaffenburg Lastaufnahmeeinrichtung für Hublader
US20030091419A1 (en) * 2001-11-15 2003-05-15 Haas Richard P. Seed box inverter
DE202004006091U1 (de) * 2004-04-16 2004-06-09 Transort Gmbh Aufnahmevorrichtung für ein kastenförmiges Gut
IT1383934B (it) 2007-01-29 2010-12-23 Levantagri Srl Sistema di bloccaggio cassoni con cilindro idraulico a doppia funzione , per il rovesciamento di prodotti ortofrutticoli sfusi , nonche' prodotti manufatturieri e minuterie varie
ITBA20110013U1 (it) 2011-04-08 2012-10-09 Levantagri Srl Sistema multi-contact di bloccaggio cassoni con cilindro idraulico a tripla funzione

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11193287B2 (en) * 2016-09-23 2021-12-07 Sh Technologies Pte Ltd Construction system and method
EP3412622A1 (fr) * 2017-06-08 2018-12-12 Lift Technologies, Inc. Appareil de chariot à fourches pour chariot élévateur et son ensemble de soupape
US10717636B2 (en) 2017-06-08 2020-07-21 Lift Technologies, Inc. Fork-carriage apparatus for a lift truck and valve assembly therefor
US11001485B2 (en) 2017-06-08 2021-05-11 Lift Technologies, Inc. Fork-carriage apparatus for a lift truck and valve assembly therefor
US11407624B2 (en) 2017-06-08 2022-08-09 Cascade Corporation Fork-carriage apparatus for a lift truck and valve assembly therefor
CN112794244A (zh) * 2018-11-08 2021-05-14 泉州台商投资区长芳设计有限公司 一种叉装车活动伸缩臂及使用方法

Also Published As

Publication number Publication date
ITNA20130019A1 (it) 2014-10-03
EP2981497A1 (fr) 2016-02-10

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