WO2000069768A1 - Dispositif de deplacement de chariot d'un pont roulant a portique - Google Patents

Dispositif de deplacement de chariot d'un pont roulant a portique Download PDF

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Publication number
WO2000069768A1
WO2000069768A1 PCT/KR2000/000503 KR0000503W WO0069768A1 WO 2000069768 A1 WO2000069768 A1 WO 2000069768A1 KR 0000503 W KR0000503 W KR 0000503W WO 0069768 A1 WO0069768 A1 WO 0069768A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel cable
trolley
steel
trolleys
boom
Prior art date
Application number
PCT/KR2000/000503
Other languages
English (en)
Inventor
Man Yop Han
Original Assignee
Man Yop Han
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 Man Yop Han filed Critical Man Yop Han
Priority to EP00927907A priority Critical patent/EP1194361A1/fr
Priority to AU46212/00A priority patent/AU4621200A/en
Publication of WO2000069768A1 publication Critical patent/WO2000069768A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/101—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B66C19/002—Container cranes

Definitions

  • the present invention relates to a circulating type gantry crane or transfer crane which carries freight transportation containers, or a crane having similar functions and operating structures, and more particularly, to a trolley moving mechanism in a circulating type gantry crane, which is configured so that a trolley, a hook and a spreader are selectively separated from or combined with each other, and circulate along a boom
  • an objective of the present invention is to provide a trolley moving mechanism in a circulating gantry crane, in which trolleys and spreaders horizontally move containers, hoists and hooks vertically move containers, and in particular, trolleys can be rapidly moved horizontally, independent of the vertical movement of containers by hoists, by coupling the trolleys to a circulating steel cable, so that the loading and unloading speed and efficiency of containers significantly increases
  • a trolley moving mechanism of a circulating type gantry crane including spreaders, hooks which are coupled to the spreaders movable hoists for lifting the hooks, and trolleys which move along a boom in combination with the spreaders, the trolley moving mechanism characterized in that first and second steel cables for moving the trolleys are installed within the boom in the direction of the length of the boom, and circulate while receiving power from an external source
  • a steel cable holder for coupling a trolley to a steel cable by combination with one of the first and second steel cables, and an unlocker for unlocking a steel cable from the steel cable holder
  • a guide member for pausing the motion of a trolley by separating a steel cable from a steel cable holder by the operation of the unlocker on a trolley which arrives under the hoist and a moving means for transferring trolleys and spreaders from the first steel cable to the second cable or in the reverse direction while reciprocating between the
  • the steel cable holder is installed on both sides of a trolley to squeeze a steel cable, and comprises an upper holder member for pressing a steel cable downward, a lower holder member for supporting a steel cable depressed against the upper holder member, and a spring installed between the upper holder member and the lower holder member for biasing the upper holder member and the lower holder member shut
  • the unlocker is installed over the steel cable holder so that it ascends and descends, and comprises a bundling press for pressing down on the upper holder member of the steel cable holder by an external force and making the steel cable holder open, and a wheel installed over the bundling press, such that the wheel is depressed by a guide member and thus forces the bundling press to open the steel cable holder, thereby separating a steel cable from the steel cable holder
  • the first and second steel cables are usually parallel to each other and positioned over and under the boom, and the moving means is an elevator which is installed at both ends of the boom to ascend and descend between the first and second steel cables
  • a wheel pressuring member for driving the unlocker is installed in front of the gate of each elevator, and a guide capable of reciprocating in the direction of motion of trolleys is further provided to pull trolleys into the elevator or to push them out of the elevator
  • FIGS 1 through 3 are views schematically showing the entire structure of a gantry crane adopting a trolley moving mechanism for circulating type gantry crane according to an embodiment of the present invention, to explain the operation of the gantry crane,
  • FIG 4 is a view showing a hoist, a trolley and a spreader installed on a gantry crane boom, to explain a trolley moving mechanism for a circulating type gantry crane according to an embodiment of the present invention
  • FIG 5 is a view for explaining the operating relationship among a trolley, a hoist, a hook, and a spreader, and
  • FIG 6 is a view schematically showing first and second steel cables coupled to a boom to continuously circulate along the boom and elevators installed on both ends of the boom so that they can ascend and descend
  • a plurality of trolleys 50 and spreaders 20 coupled to the trolleys 50 move along a boom 100
  • two hoists 40 are installed on the boom 100
  • Each of the hoists 40 is connected to a hook 30 via steel cables 114, and is coupled to a spreader 20 to allow the spreader 20 to pick up a container 10
  • the hoists 40 are moved in advance to locations where containers are to be loaded or unloaded, and stand by, in order to achieve more rapid loading/unloading
  • One of the two hoists 40 is located on the side of the land, and the other hoist is located on the side of the sea
  • the hoists 40 can move in the directions indicated by arrows a
  • the hook 30 connected to each of the hoists 40 via the steel cable 114 can ascend and descend by the operation of the hoist 40, so that it is coupled to a spreader 20 to thus pick up a container 10
  • the container 10 is coupled to the spreader 20 and then lifted up to the height of the trolley 50 and coupled to the same
  • the container 10 in this state is horizontally transferred to a loading/unloading location
  • the horizontal movement of the trolleys 50 is achieved by first and second steel cables 60 and 70 (see FIG 6) which circulate
  • FIGS 2 and 3 illustrate the operation of loading a container by repeating separation and combination among a hoist 40, a trolley 50 and a hook 30
  • FIG 2 illustrates an operation in which a trolley and a spreader arrive under the land-side hoist 40 are coupled to the container 10, and then start toward the sea
  • FIG 3 illustrates the operation of a trolley and a spreader arriving under the sea-side hoist 40
  • several hoists 40 are shown but actually one land-side hoist and one sea-side hoist are installed
  • the trolley 50 and the spreader 20 coupled to the lower surface of the trolley 50 move in the direction indicated by arrow b along the boom 100, and are held under the land-side hoist 40
  • the land-side hoist 40 is pre-located and waits directly over the container 10 to be loaded
  • the principle of movement, standstill, and re-starting of the trolley will be described later
  • the hook 30 descends through the trolley 50 to be coupled to the spreader 20, and then the spreader 20 is separated from the trolley 50
  • the hook 30 coupled to the spreader 20 as described above keeps descending together with the spreader 20 and reaches the container 10
  • the spreader 20 is combined with the container 10
  • the separation and combination of the spreader 20 with the container 10 are achieved by a well- known method
  • the hook 30 is retracted by the land-side hoist 40
  • the trolley 50 is coupled to the spreader 20 and then the hook 30 is separated from the spreader 20
  • the hook 30 separated from the spreader 20 further ascends at the original location and waits for the next trolley 50 Thereafter, the trolley 50 moves in the direction indicated by arrow c in a state of being combined with a spreader and a container
  • the trolley 50 moving in the direction indicated by arrow c stops under the sea-side hoist 40 which has been pre-located and is waiting directly over the position at which a container is to be loaded
  • the spreader 20 separated from the container again ascends together with the hook 30 to be re-coupled to the trolley 50, and is then separated from the hook 30
  • the spreader 20 in this state moves along the boom in the direction indicated by arrow d
  • the trolley 50 which arrived almost at the end of the boom 100 by moving in the direction indicated by arrow d, is released from the first steel cable 60 of FIG 6, and then loaded on a sea-side elevator 80 of FIG 6 and lifted Then, the lifted trolley 50 is coupled to the second steel cable 70 of FIG 6, moves toward the land in this state, descends by the operation of a land-side elevator 80 of FIG 6, and is then re-coupled to the first steel cable 60 In this way, a closed-loop operation wherein the operations of FIGS 2 and 3 are repeated is performed
  • FIG 4 is a view for explaining a trolley moving mechanism of a circulating type gantry crane according to the present invention
  • a boom 100 is split into two parts, and the two parts are separated so that a hoist 40 and a trolley 50 move in the inner space therebetween
  • a trolley track 102 for supporting a trolley wheel 59 installed on the trolley 50 is formed on the lower inner surface of each of the two parts of the boom 100
  • a hoist track 104 for providing a moving path for the hoist 40 is formed on the middle inner surface of each of the two parts of the boom 100
  • a power line track (not shown) is provided to support a power line for providing power to the hoist 40
  • a spreader track 106 for supporting the wheel of the spreader 20 when the trolley 50 is turned back is formed at the top of the boom 100
  • a hook 30 is suspended from the hoist 40 so that it ascends and descends along a steel cable The hook 30 is normally retracted as much as possible so that the trolley 50 can pass under the hook 30
  • a trolley 50 positioned under the hoist 40 moves along the motion trajectories shown in FIGS 2 and 3 in combination with the first steel cable 60 of FIG 6, and a trolley 50 positioned over the hoist 40 is in a state of being turned back in combination with the second steel cable 70 of FIG. 6
  • a steel cable holder 52 for holding each of the first and second steel cables 60 and 70 is installed protruding from both ends of the trolley 50.
  • the steel cable holder 52 couples the trolley 50 to the steel cables 60 and 70 by squeezing the outer circumference of each of the steel cables 60 and 70
  • the steel cable holder 52 is installed at the lateral side of the trolley 50, and includes an upper holder member 52a for squeezing the steel cables 60 and 70 downward, a lower holder member 52b for squeezing the steel cables 60 and 70 upward, and a spring 54 installed between the holder members 52a and 52b for biasing the holder members 52a and 52b shut
  • the holder members 52a and 52b are pivotally coupled to each other by a support pin 52c
  • a bundling press 57 is installed over the curved portion 85 so that it ascends and descends Accordingly, when the bundling press 57 presses the curved portion 85 in the direction indicated by arrow f, the leading portion of the holder member 52a pivots in the direction indicated by arrow g against the force of the spring 54, so that
  • An unlocker 56 for unlocking the steel cables 60 and 70 from the steel cable holder 52 is installed over the steel cable holder 52
  • the unlocker 56 is made up of the bundling press 57 for pressing down on the holder member 52a, and a wheel 58 for pressing down on the bundling press 57
  • the bundling press 57 and the wheel 58 are installed on the trolley 50 so that they ascend and descend
  • the wheel 58 is pressed down by a guide member 42 of FIG 5 and a wheel pressing member 43 of FIG 6 while moving together with the trolley 50, and makes the bundling press 57 depress the holder member 52a
  • spreader wheels 22 are installed on the right and left sides of the front side and on the right and left sides of the rear side on the lower portion of the spreader 20
  • a guider 24 is installed on the outer side of each of the spreader wheels 22, and guides a container 10 when the spreader 20 is combined with the container 10 Also when the spreader 20 moves along the boom 100, the guider 24 pivots toward the inside in the direction indicated
  • FIG 5 shows a trolley which has arrived under a hoist, and a trolley which is turning back along the spreader track of a boom
  • a trolley 50 is moving along a trolley track 102, suspended by the steel cable 60, it is held under the hoist 40
  • a guide member 42 for pressing down on an arrived trolley wheel 58 is installed under the hoist 40
  • the guide member 42 which is fixed under the hoist 40, is designed so that the height (y2) at the central portion is smaller than the height (y1 ) at both ends
  • the height (y1 ) is the height of a wheel 58 which is not depressed, and the height (y2) is the height of the wheel 58 which has completely depressed the holder member 52a
  • the center portion of the guide member 42 is made level, and the portion between the center portion and each end is smoothly curved, such that the wheel 58 easily ascends and descends while moving together with the trolley 50
  • the trolley 50 When the trolley 50 is placed under the hoist 40, the holder 52 is completely separated from the steel cable 60, and thus the trolley is held During that time, the trolley 50 lifts or lays down the container 10
  • the trolley 50 is released from the hoist 40 and starts moving again This is achieved by the forward pushing of the trolley 50 waiting under the hoist 40 by the next trolley 50
  • the wheel 58 disconnects from the guide member 42, and the position of the unlocker 56 is restored upward, so that the force in the direction indicated by arrow f of FIG 4 is removed
  • the upper holder member 52a pivots back toward the lower holder member 52b by the force of the spring 54, and thus the steel cable holder 52 is re-coupled to the steel cable 60
  • the trolley 50 coupled to the steel cable 60 in this way moves to a loading position at the same speed as the steel cable 60
  • a trolley which has arrived under a hoist 40 over an unloading position is separated from the steel cable 60 by the same method as described above, and unloads a container
  • FIG 6 shows two steel cables 60 and 70 within the gantry crane boom, and an elevator 80 for moving a trolley and a spreader between the two steel cables
  • the first steel cable 60 is installed in the direction of the length of a boom 100, and continuously circulates
  • the second steel cable 70 is parallel to the first steel cable 60, and continuously circulates over the first steel cable 60
  • the first and second steel cables 60 and 70 are circulated by the force of a motor (not shown)
  • the first steel cable 60 is for moving a trolley 50 and a spreader 20 to move cargo as shown in FIGS 2 and 3, and the second steel cable 70 is for turning the trolley 50 which has completed loading or unloading back to the land Since these steel cables must be arranged in straight lines, it is preferable that support rollers 72 are intermittently installed on the boom to prevent the steel cables 60 and 70 from drooping
  • Elevators 80 are installed at both ends of the first and second steel cables 60 and 70
  • the elevators 80 are manufactured to be large enough to accommodate the trolley 50 coupled to the spreader 20 in its entirety, and ascend and descend by the force of an elevating motor (not shown)
  • a trolley which has arrived at the right end of the steel cable 60 in a state of being coupled to the first steel cable 60, is separated from the steel cable 60 by a method to be described later, loaded on the elevator 80, and then elevated in the direction indicated by arrow A
  • the elevator 80 ascends and reaches the end of the second steel cable 70
  • the trolley 50 and the spreader 20 coupled to the trolley 50 are unloaded from the elevator and loaded on the second steel cable 70, coupled to the second steel cable 70, and pulled along
  • the trolley 50 and the spreader 20, which has arrived at the left end of the boom 100 along the second steel cable 70 are lowered in the direction indicated by arrow B using another elevator 80, and then re-coupled to the first steel cable 60
  • a hook-shaped guide 82 capable of moving forward and backward is installed below the door of the elevator 80
  • the hook-shaped guide 82 pulls a trolley 50 into the elevator 80 and pushes a trolley out of the elevator 80, using its hook structure
  • the guide 82 can be driven by several commonly- known methods
  • the wheel pressing member 43 for pressing down on the wheel 58 is fixedly installed in front of the door of the elevator 80
  • the wheel pressing member 43 has the same function as the guide member 42 installed under the hoist 40 That is, since the wheel pressing member 43 is installed in front of the elevator 80, it presses down on the upper holder member 52a when a trolley arrives in front of the elevator 80 Thus, the trolley is held, and the steel cable holder 52 is completely separated from each of the steel cables 60 and 70 Accordingly, when the trolley 50 which has completed loading or unloading a container, reaches the front of the elevator 80, it is separated from the steel cable 60 and held, and moved into the elevator 80 by being pulled by the guide 82 The trolley and the spreader loaded on the elevator 80 are lifted, pushed out of the elevator 80 using the guide 82, and then coupled to the second steel cable 70
  • the wheel pressuring member 43 is horizontally extended into the elevator 80 The leading end of the wheel pressuring member 43 is extended so that its curved portion 88 is placed over each of the steel cables 60 and 70, in order that the holder members 52a and 52b of the trolley 50 pushed out of the elevator 80 may be pursed in a state where the steel cables 60 and 70 are placed within the steel cable holder 52 As described above, the trolley 50 coupled to the second steel cable
  • a plurality of trolleys and spreaders move cargo while circulating along a boom, so that the speed of loading and unloading is high
  • a hoist is pre- positioned and waits at a predetermined location, or is moved to a required location in advance and waits so that accurate position control required to do cargo work with existing cranes is no longer needed
  • shaking of spreaders is fundamentally prevented, and a reduction in the time for accurate position control can remarkably increase the speed of loading/unloading containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

L'invention concerne un mécanisme de déplacement de chariot de pont roulant à portique, comportant des palonniers, des crochets qui sont accouplés aux palonniers, des treuils mobiles pour lever les crochets et des chariots qui se déplacent le long d'une flèche conjointement avec les palonniers. Ledit mécanisme de déplacement de chariot se caractérise en ce que des premier et deuxième câbles en acier conçus pour déplacer les chariots sont installés dans la flèche, dans le sens de la longueur de celle-ci, et se déplacent lorsqu'ils sont alimentés en énergie par une source externe. Par ailleurs, sont installés dans le mécanisme de déplacement de chariot, sur chaque chariot, un dispositif de support de câbles en acier permettant d'accoupler un chariot à un câble en acier, par la combinaison d'un premier et d'un deuxième câble en acier, et un dispositif de déblocage conçu pour dégager un câble en acier du dispositif de support de câbles en acier. De plus, sont installés sous le treuil mobile, un élément de guidage permettant d'arrêter le mouvement d'un chariot par la séparation d'un câble en acier de son support par l'actionnement du dispositif de déblocage sur un chariot qui arrive sous le treuil, et un moyen mobile qui transfère les chariots et les palonniers du premier câble en acier au deuxième câble en acier ou dans le sens inverse, selon un mouvement de va-et-vient simultané entre les premier et deuxième câble en acier. Ainsi, plusieurs chariots et palonniers déplacent la marchandise tout en circulant le long d'une flèche, de sorte que la vitesse de chargement et de déchargement est élevée. Un treuil est prépositionné et en attente à un endroit prédéterminé, ou est déplacé à l'avance jusqu'à l'endroit voulu et attend, si bien que la commande de position précise requise pour le déplacement de la marchandise dans les grues existantes n'est plus nécessaire. Par ailleurs, le secouage des palonniers est empêché et la réduction du temps nécessaire pour la commande de position précise permet l'augmentation sensible de la vitesse de chargement/déchargement des conteneurs.
PCT/KR2000/000503 1999-05-19 2000-05-19 Dispositif de deplacement de chariot d'un pont roulant a portique WO2000069768A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP00927907A EP1194361A1 (fr) 1999-05-19 2000-05-19 Dispositif de deplacement de chariot d'un pont roulant a portique
AU46212/00A AU4621200A (en) 1999-05-19 2000-05-19 Trolley moving mechanism in circulating type gantry crane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1999/18086 1999-05-19
KR1019990018086A KR100306298B1 (ko) 1999-05-19 1999-05-19 순환식 갠트리 크레인의 작동부분의 이동시스템

Publications (1)

Publication Number Publication Date
WO2000069768A1 true WO2000069768A1 (fr) 2000-11-23

Family

ID=19586571

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2000/000503 WO2000069768A1 (fr) 1999-05-19 2000-05-19 Dispositif de deplacement de chariot d'un pont roulant a portique

Country Status (4)

Country Link
EP (1) EP1194361A1 (fr)
KR (1) KR100306298B1 (fr)
AU (1) AU4621200A (fr)
WO (1) WO2000069768A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012076001A1 (fr) * 2010-12-06 2012-06-14 Rainer Kapelski Portique pour conteneurs, servant au transbordement de conteneurs des navires
CN103818834A (zh) * 2014-03-13 2014-05-28 高文科 装卸机、车载式装卸车和行走式装卸车
CN116002304A (zh) * 2023-01-10 2023-04-25 黄石市中城自动化科技有限公司 一种托盘转挂系统及转挂托盘

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030006012A (ko) * 2001-07-11 2003-01-23 한만엽 순환식 스프레더를 구비한 갠트리 크레인

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858775A (en) * 1988-02-12 1989-08-22 Paceco Corp. Personnel trolley and elevator platform for a cargo container handling gantry crane
EP0558155A1 (fr) * 1992-02-28 1993-09-01 Croese Engineering Consultants B.V. Grue à portique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858775A (en) * 1988-02-12 1989-08-22 Paceco Corp. Personnel trolley and elevator platform for a cargo container handling gantry crane
EP0558155A1 (fr) * 1992-02-28 1993-09-01 Croese Engineering Consultants B.V. Grue à portique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012076001A1 (fr) * 2010-12-06 2012-06-14 Rainer Kapelski Portique pour conteneurs, servant au transbordement de conteneurs des navires
CN103818834A (zh) * 2014-03-13 2014-05-28 高文科 装卸机、车载式装卸车和行走式装卸车
CN105152042A (zh) * 2014-03-13 2015-12-16 李怡然 建筑用装卸车
CN105197808A (zh) * 2014-03-13 2015-12-30 张秀禾 砌块装卸机
CN116002304A (zh) * 2023-01-10 2023-04-25 黄石市中城自动化科技有限公司 一种托盘转挂系统及转挂托盘
CN116002304B (zh) * 2023-01-10 2023-09-19 黄石市中城自动化科技有限公司 一种托盘转挂系统及转挂托盘

Also Published As

Publication number Publication date
EP1194361A1 (fr) 2002-04-10
AU4621200A (en) 2000-12-05
KR100306298B1 (ko) 2001-09-24
KR20000074278A (ko) 2000-12-15

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