EP0113155A1 - Dispositif pour déplacer une pile d'objets, par exemple des boîtes ou des balles - Google Patents

Dispositif pour déplacer une pile d'objets, par exemple des boîtes ou des balles Download PDF

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Publication number
EP0113155A1
EP0113155A1 EP83201867A EP83201867A EP0113155A1 EP 0113155 A1 EP0113155 A1 EP 0113155A1 EP 83201867 A EP83201867 A EP 83201867A EP 83201867 A EP83201867 A EP 83201867A EP 0113155 A1 EP0113155 A1 EP 0113155A1
Authority
EP
European Patent Office
Prior art keywords
frame
supporting
carrying frame
stack
pushing
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
EP83201867A
Other languages
German (de)
English (en)
Other versions
EP0113155B1 (fr
Inventor
Hessel Kooi
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.)
SELECTIEBEDRIJF KOOI BEHEER BV
Original Assignee
SELECTIEBEDRIJF KOOI BEHEER BV
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 SELECTIEBEDRIJF KOOI BEHEER BV filed Critical SELECTIEBEDRIJF KOOI BEHEER BV
Publication of EP0113155A1 publication Critical patent/EP0113155A1/fr
Application granted granted Critical
Publication of EP0113155B1 publication Critical patent/EP0113155B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/19—Additional means for facilitating unloading
    • B66F9/195—Additional means for facilitating unloading for pushing the load

Definitions

  • the invention relates to a device for displacing a stack of objects such as boxes or bales comprising a carrying frame, a supporting structure for the stack connected with said frame and forming a carrying surface, a lifting device engaging the carrying frame by a hoisting member, for example a hoisting cable, at a distance above the supporting structure and a push-off device connected with the supporting frame comprising a pushing member movably guided by guide means along the supporting structure and driven by driving means and coming into contact with a side face of the stack.
  • a hoisting member for example a hoisting cable
  • Such a device is known from DE-A-1 816 653.
  • Such a device is used, for example, for loading a ship.
  • the objects piled on the supporting surface are pushed by the push-off device from the carrying surface in the ship's hold so that the stack as a whole is deposited in the hold.
  • the driving means comprise a hydraulic aggregate having a hydraulic pump driven by an electric motor.
  • the electric motor may be fed by electric current supplied externally through a cable or by an electric accumulator arranged in the carrying frame.
  • an electric accumulator In the event of external supply of electric current the required electric leads hinder the maniability of the device.
  • the use of an accumulator also has disadvantages.
  • the accumulator has to be periodically charged, for which purpose it has to be removed from the carrying frame and to be replaced by a freshly charged accumulator. Thus the device is temporarily out of use and loading has to be interrupted.
  • the invention has for its object to provide a device of the kind set forth in the preamble which does not exhibit said disadvantages.
  • a device embodying the invention this is achieved in that the lifting member engages an engaging member, connected with the frame so as to be movable between a high and a low position and coupled with energy storing means receiving energy at least during a movement from the low to the high position.
  • energy storing means receiving energy at least during a movement from the low to the high position.
  • the energy storing means preferably comprise a hydraulic jack and a hydraulic accumulator coupled with the former. In this way a structurally effective embodiment of the device is obtained, which is resistant to rough handling.
  • the engaging member comprises a lever journalled on the frame, the first lever arm being engaged by the lifting member and the second lever arm by the jack, the jack being connected with the lever and the frame in a manner such that in the low position the point of engagement of the lifting member is located considerably below the bearing and the point of engagement of the jack is substantially at the same distance from its end connected with the frame as the bearing, whereas in the high position the point of engagement of the lifting member is located substantially at the same height as the bearing and the point of engagement of the jack is located at a considerably different distance from its end connected with the frame than the bearing.
  • the frame is provided with supporting wheels rotatable about a shaft extending transversely of the direction of movement of the pushing member at the end remote from the supporting structure. During, the pushing-off movement the wheels roll with minimum resistance along the underlying layer.
  • the hydraulic jacks of the push-off device may be single-acting. These hydraulic jacks can indeed push the stack off the carrying surface, but they cannot move back the pushing member. Pushing back the pushing member has then to be performed when the stack of objects is being deposited on the carrying surface. In particular this is done by pushing the stack of objects with the aid of a push-off device from a fork lift truck onto the carrying surface.
  • a device in a preferred embodiment of the invention is characterized by a supporting frame that can be separately positioned on a loading site and is provided with supporting means supporting the carrying frame in a direction opposite the pushing-off direction and transferring forces to engaging means on the loading site. Prior to loading the carrying frame is positioned at the supporting frame, which then supplies sufficient counter-pressure for pushing the pushing member back into the rest position.
  • the supporting frame comprises downwardly converging carrying frame guides co-operating with the supporting frame.
  • the carrying frame can thus be moved by the lifting device very rapidly and in the correct position with respect to the supporting frame.
  • the operator of the lifting device only need lower the carrying frame approximately above the supporting frame, the carrying frame guides ensure correct positioning.
  • the supporting frame comprises rearwardly converging pallet guides at its front end viewed in the pushing-off direction.
  • the stack supplied from a fork lift truck onto a pallet can thus be advantageously and readily positioned in front of the carrying surface, after which the push-off device of the fork lift truck automatically moves the stack correctly onto the carrying surface.
  • At least one roller rotatable about a horizontal transverse shaft is arranged on the supporting frame at the foremost end viewed in the pushing-off direction. This roller ensures a satisfactory transfer of the stack of objects from the pallet supported by the fork lift truck onto the carrying surface of the device.
  • the device 1 embodying the invention comprises a carrying frame 2 with which is connected a supporting structure 3 forming a carrying surface. On the supporting structure 3 a stack of objects such as boxes or bales can be supported in the way to be described more fully with reference to the further Figures.
  • the device 1 furthermore comprises a lifting device 4 formed in this embodiment by a hoisting crane (not shown), the lifting member of which formed by a hoisting cable 5 is coupled with the device 1.
  • the push-off device 6 comprises a pushing member 7 which is adapted to move on the supporting structure 3. During this movement the pushing member 7 is guided by guide means. These guide means comprise guide tracks 10 in the supporting structure 3, along which skids 11 of the pushing member can slide.
  • the pushing member 7 is held in a vertical position by a guide arm 15 comprising two plates 16 and 18 pivoted to one another at 17.
  • the plates 16 and 18 are connected by means of hinges 19, 20 with the pushing member 7 and beams 21, 22 of the frame 2 respectively.
  • the axes defined by the hinges 17, 19 and 20 are parallel to one another.
  • the pushing plate 6 is engaged on both sides in supports 14 by two sectional pushing arms 12. At their ends near the frame 2 the pushing arms 12 are each rigidly connected with a shaft 13 journalled in the frame 2. Owing to the rigid connection of the pushing arms 12 with the shaft 13 the pushing plate 6 is prevented from getting out of square.
  • the pushing member 7 has a recess 68 into which can extend a supporting, plate-shaped member. With the pushing member 7 are furthermore connected holding means 69 capable of retaining the plate-shaped member. The operation of these parts will become apparent from the description of Figs. 5 and 6.
  • the lifting member formed by the hoisting cable 5 engages an engaging member formed by a lever 75.
  • This lever 75 is pivotally mounted in the carrying frame 2 by means of a bearing 76 and can move between a high and a low position.
  • the end of the lever 75 opposite the engaging point 77 of the hoisting cable 78 is engaged at the pivotal point 79 by a hydraulic jack 74.
  • the jack 74 has pivoted its other end 80 to the frame 2.
  • the hydraulic jack 74 is coupled through ducts on the one hand with a reservoir 81 of hydraulic fluid and a hydraulic pressure accumulator 82.
  • the plunger of the jack 74 is pushed inwards and the displaced fluid is pressed into the pressure accumulator 82. In this way an amount of energy is stored, which is sufficient to actuate the push-off device 6.
  • the lever 75 has fully turned into its high position, in which the jack cannot be further pushed inwards or in which the lever 75 strikes a stop, the device 1 is lifted.
  • the lever 75 is turned back from its high position into its low position under the action of the weight of the hoisting cable 5 or with the aid of a spring (not shown).
  • the jack 74 then draws in hydraulic fluid from the reservoir 81.
  • the ducts between the reservoir 81, the jack 74 and the pressure accumulator 82 include the appropriate non-return valves.
  • the pressurized hydraulic fluid in the accumulator 82 can be supplied through the ducts 85 to the hydraulic jacks 86 for driving the push-off device.
  • the ducts 85 include a two-position valve 83 by which an outward or an inward movement of the jack can be optionally actuated. By actuating the control-valve 84 the chosen movement of the jack 86 is started.
  • the proportions of the jack are chosen so that the displaced volume of hydraulic fluid is largely sufficient for fully pushing out or fully drawing in the jack 86. Moreover, the proportions are such that the produced pressure in the accumulator 82 is sufficient for displacing the stack of objects.
  • Fig. 1 furthermore shows that supporting wheels 87 are arranged at the end of the frame 2 remote from the supporting structure 3. These supporting wheels 87 can rotate about a shaft 13, which is transverse of the direction of displacement of the push-off device 6. These supporting wheels 87 facilitate drawing the device 1 from beneath a positioned stack.
  • Figs. 7 and 8 schematically show the lever 75 of the device.l in the low and the high position respectively.
  • the point of engagement 77 of the hoisting cable 5 is located considerably below the bearing 76 and the point of engagement 79 of the jack 74 is located substantially at the same distance from its end 80 connected with the frame as the bearing 76.
  • Figs. 2 to 4 illustrate a potential method of depositing a stack of objects to be displaced on the supporting structure of a device embodying the invention.
  • these objects are bags or bales.
  • the stack 40 of bags is supplied on a pallet 41 with the aid of a fork lift truck 42.
  • This fork lift truck is provided with a tilting device 43 comprising a supporting plate 44 and a side support 45.
  • the supporting plate 44 is moved into contact with the top side of the stack 40.
  • the fork carrying the pallet 41 can tilt through 180° together with the supporting plate 44 and the side support 45.
  • the stack 40 bears on the supporting plate 44.
  • the side support 45 serves to prevent the stack 40 from disengaging during the tilting movement.
  • the lowermost stack 40 supported on the supporting plate 44 is pushed off the fork lift truck 42 onto the device 50 embodying the invention by means of a pushing device 46, which basically corresponds with the pushing device described with reference to Fig. 1.
  • the fork lift truck 42 is moved for this purpose with the supporting plate 44 as far as to the supporting structure 51 of the device 50.
  • the pushing device 46 By subsequently actuating the pushing device 46 the fork lift truck 42 is moved away from the device 50, whilst the supporting plate 44 is drawn away from beneath the stack.
  • the pallet 41 remains lying on the fork 53 of the fork lift truck 42 so that it is directly available for reuse.
  • the device 50 thus provided with a stack of bags 40 is hoisted with the aid of the hoisting cable 52 to the desired place, where it is pushed off the device with the aid of the pushing device 54 of the device 50.
  • a device 55 embodying the invention may be advantageously provided with holding means 61 for retaining a plate-shaped element 59 located beneath the stack 60.
  • the stack 60 can be supplied in the same manner as shown in Figs. 2 to 4. On the supporting structure of the device embodying the invention is first deposited such a plate 59 before the stack is deposited on the supporting structure.
  • the stack may be supplied already standing on such a plate, whilst with the aid of a fork lift truck with a push-off device it can be directly slipped with the plate onto the device embodying the invention.
  • Fig. 5 shows that the device 55 is lowered into a hold 57 of a ship 56. The device 55 is deposited on a layer of bales 58 already lying in the hold 57. By actuating the pushing device 63 of the device 55 the stack 60 is shifted to its place or the device 55 is withdrawn from beneath the stack 60.
  • the device 55 When unloading the bales the device 55 is positioned by means of the hoisting cable 64 at the place in front of a stack 60 standing on a plate 59.
  • the pushing device 63 is moved by the driving means into its outward position, whilst the plate 59 can fall into a recess 62 on the underside of the pushing member.
  • the holding means 61 are actuated so that the plate 59 is clamped tight to the pushing member.
  • the driving means of the pushing device 63 are switched on in the opposite sense so that the pushing member is slipped back onto the pushing device 55.
  • the plate 59 is thus drawn onto the supporting structure 65.
  • the device 55 with the stack 60 standing on it can be lifted by means of the hoisting cable 64 and be conducted out of the hold.
  • the device 101 embodying the invention shown in Figs. 9 and 10 comprises a carrying frame 102 with which a push-off device 103 is connected.
  • the push-off device 103 comprises piston/cylinder devices 104, which are single-acting cylinders.
  • the piston/cylinder connected herewith, but not shown need thus displace only such an amount of fluid as is necessary for pushing out once the piston/ cylinders 104 of the push-off device 103.
  • the push-off device 103 is pushed back into its drawn-in position when the stack of objects 107 is deposited on the carrying frame 102.
  • the device embodying the invention furthermore comprises a supporting frame 106 in which the carrying frame 102 can be positioned by the lifting device and which retains said carrying frame 102.
  • the supporting frame 106 is separately arranged on the loading site 109 and bears on the ground by rubber-clad feet 112.
  • the rubber has such a high friction coefficient with respect to the surface of the loading site 109 that the forces involved in depositing the stack of objects 107 on the frame 102 do not cause a shift of the supporting frame.
  • Figs. 9 and 10 show that the carrying frame 102 is positioned by the lifting device in the supporting frame 106. Subsequently a stack of objects 107 is supplied on a pallet 108 by means of a fork lift truck 110.
  • This fork lift truck 110 is provided with a push-off device 111.
  • the operator of the fork lift truck 110 has positioned the pallet 108 in front of the carrying frame 102, he actuates the push-off device 111 so that the stack 107 is shifted from the pallet 108 onto the carrying frame 102.
  • the stack 107 pushes the push-off device 103 from the carrying frame 102 back into its drawn-in position.
  • the wheel 113 of the carrying frame 102 bears on the guide face l14 of the supporting frame 106 so that the carrying frame 102 is not pushed away by the backward pressure on the pushing device 103.
  • Fig. 11 shows in detail that the supporting frame 106 is provided with the above-mentioned carrying frame guide 114 and an opposite guide 115.
  • These guides 114 and 115 are converging downwardly. Furthermore lateral guides 116 are provided, which are also converging in a downward direction.
  • the carrying frame 102 is lowered into the supporting frame 106, the carrying frame 102 is automatically positioned correctly. In a lateral direction the carrying frame 102 is positioned because side parts of said frame are guided by the lateral guides 116 in a direction of length by the cooperation of the wheels 113 of the carrying frame 102 with the guides 114 and 115.
  • the carrying frame guide 114 is formed by a side face of a box-shaped part filled with ballast 117.
  • This ballast may be formed by concrete or metal waste or a combination thereof. Owing to the weight of the ballast l17 the maximum frictional force of the flat legs 112 with respect to the loading site is sufficiently high to withstand forces involved in operation.
  • Fig. 11 shows that the supporting frame 106 is prolonged to the front and provided at the front with pallet guides 118.
  • the pallet guides 118 ensure that the pallet gets in straight line in front of the carrying farme 102. The stack 107 is thus correctly deposited on the carrying frame 102.
  • rollers 119 At the front end of the supporting frame 106 are provided guide rollers 119, which support the underside of the stack 107 when it is being shifted from the pallet 108 onto the carrying frame 102.
  • the supporting surface 122 of the supporting frame 102 may be serrated so that the teeth snap into the recesses between the rollers 119 of the supporting frame 106.
  • Fig. 12 shows an alternative embodiment in which the supporting frame 120 is provided with a single continuous roller 121. The front edge of the supporting surface of the carrying frame of the device can then be straight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP19830201867 1983-01-04 1983-12-29 Dispositif pour déplacer une pile d'objets, par exemple des boîtes ou des balles Expired EP0113155B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8300017A NL8300017A (nl) 1983-01-04 1983-01-04 Inrichting voor het verplaatsen van een stapel voorwerpen zoals dozen of balen.
NL8300017 1983-01-04

Publications (2)

Publication Number Publication Date
EP0113155A1 true EP0113155A1 (fr) 1984-07-11
EP0113155B1 EP0113155B1 (fr) 1986-10-15

Family

ID=19841179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830201867 Expired EP0113155B1 (fr) 1983-01-04 1983-12-29 Dispositif pour déplacer une pile d'objets, par exemple des boîtes ou des balles

Country Status (3)

Country Link
EP (1) EP0113155B1 (fr)
DE (1) DE3366901D1 (fr)
NL (1) NL8300017A (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154159A1 (fr) * 1984-02-10 1985-09-11 Hermann Kruse Appareil de chargement pour une grue
EP0189969A1 (fr) * 1985-02-01 1986-08-06 Pilkington Plc Dispositif de prise à griffes pour empilage d'une pluralité de feuilles
EP0192994A1 (fr) * 1985-02-26 1986-09-03 International Business Machines Corporation Manipulateur d'article pour robot
US4789295A (en) * 1985-02-26 1988-12-06 International Business Machines Corp. Article manipulator for robot
WO1998058871A1 (fr) * 1997-06-24 1998-12-30 Autefa Maschinenfabrik Gmbh Chargeur de balles pour balles comprimees cerclees
US7427185B2 (en) 1998-06-08 2008-09-23 Stevedoring Services Of America, Inc. Method and apparatus for loading stacks of cartons of frozen animal products onto vessels using a carrier
US7780397B1 (en) * 2007-06-14 2010-08-24 Coastal Cargo Company, Inc. Method and apparatus for loading vessels using rotation
JP2024020763A (ja) * 2022-08-02 2024-02-15 株式会社富士商会 パレット交換装置
KR20240088315A (ko) * 2022-12-13 2024-06-20 주식회사 에스에프에이 물품 적재장치

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104444958B (zh) * 2014-10-15 2017-03-15 杭州娃哈哈科技有限公司 货物堆垛抓取器
CN104444964B (zh) * 2014-10-15 2017-02-22 杭州娃哈哈科技有限公司 一种可自动卸货的插取式抓取器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816652A1 (de) * 1968-12-23 1970-07-02 Kilian Kaup Kg Ges Fuer Maschb Krangeschirr mit einer ebenen Lastaufnahmeflaeche
US3655232A (en) * 1968-06-20 1972-04-11 Ghislain Antoine Jean Marie Ma Gripper for handling heavy products and specifically horizontal-axis coils
AU488095B2 (en) * 1973-10-30 1975-05-01 B Q P Industries Inc. Slip pallet
FR2249004A1 (en) * 1973-10-25 1975-05-23 Barra Philippe Load hoist system using cable suspended forks - uses hydraulic rams to align fork and move it into pallet
US4262950A (en) * 1979-01-08 1981-04-21 Paper Converting Machine Company Lateral shifting device for crane

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3655232A (en) * 1968-06-20 1972-04-11 Ghislain Antoine Jean Marie Ma Gripper for handling heavy products and specifically horizontal-axis coils
DE1816652A1 (de) * 1968-12-23 1970-07-02 Kilian Kaup Kg Ges Fuer Maschb Krangeschirr mit einer ebenen Lastaufnahmeflaeche
FR2249004A1 (en) * 1973-10-25 1975-05-23 Barra Philippe Load hoist system using cable suspended forks - uses hydraulic rams to align fork and move it into pallet
AU488095B2 (en) * 1973-10-30 1975-05-01 B Q P Industries Inc. Slip pallet
US4262950A (en) * 1979-01-08 1981-04-21 Paper Converting Machine Company Lateral shifting device for crane

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154159A1 (fr) * 1984-02-10 1985-09-11 Hermann Kruse Appareil de chargement pour une grue
EP0189969A1 (fr) * 1985-02-01 1986-08-06 Pilkington Plc Dispositif de prise à griffes pour empilage d'une pluralité de feuilles
EP0192994A1 (fr) * 1985-02-26 1986-09-03 International Business Machines Corporation Manipulateur d'article pour robot
US4789295A (en) * 1985-02-26 1988-12-06 International Business Machines Corp. Article manipulator for robot
WO1998058871A1 (fr) * 1997-06-24 1998-12-30 Autefa Maschinenfabrik Gmbh Chargeur de balles pour balles comprimees cerclees
US7427185B2 (en) 1998-06-08 2008-09-23 Stevedoring Services Of America, Inc. Method and apparatus for loading stacks of cartons of frozen animal products onto vessels using a carrier
US7780397B1 (en) * 2007-06-14 2010-08-24 Coastal Cargo Company, Inc. Method and apparatus for loading vessels using rotation
US8632296B1 (en) * 2007-06-14 2014-01-21 Coastal Cargo Company, Inc. Method and apparatus for loading vessels using rotation
US9745025B1 (en) 2007-06-14 2017-08-29 Coastal Cargo Company Method and apparatus for loading vessels using rotation
JP2024020763A (ja) * 2022-08-02 2024-02-15 株式会社富士商会 パレット交換装置
KR20240088315A (ko) * 2022-12-13 2024-06-20 주식회사 에스에프에이 물품 적재장치
KR102801249B1 (ko) * 2022-12-13 2025-04-30 주식회사 에스에프에이 물품 적재장치 및 적재방법

Also Published As

Publication number Publication date
DE3366901D1 (en) 1986-11-20
NL8300017A (nl) 1984-08-01
EP0113155B1 (fr) 1986-10-15

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