US3900114A - Crane apparatus - Google Patents

Crane apparatus Download PDF

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Publication number
US3900114A
US3900114A US332546A US33254673A US3900114A US 3900114 A US3900114 A US 3900114A US 332546 A US332546 A US 332546A US 33254673 A US33254673 A US 33254673A US 3900114 A US3900114 A US 3900114A
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United States
Prior art keywords
trolley
load
suspending
sheave
swinging movement
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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.)
Expired - Lifetime
Application number
US332546A
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English (en)
Inventor
Tadao Inoue
Takeo Nakamura
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Hitachi Ltd
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Hitachi Ltd
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Filing date
Publication date
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Publication of US3900114A publication Critical patent/US3900114A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads

Definitions

  • a load carrying apparatus for suspending and carrying a load such as a container crane, said apparatus comprising a trolley, a pair of sheaves provided adjacent to each corner of the trolley, a suspending device having a sheave adjacent to each of its corners, load suspending ropes wound on take up drum means provided on a crane girder and adapted to be unwound therefrom, each of said ropes being passed between one of said pairs of sheaves on the trolley and a corresponding one of said sheaves on the load suspending device, further pairs of sheaves provided on said trolley at four other positions, pairs of sheaves provided on said suspending device at two positions thereon, swing movement suppressing ropes wound on the take up drum means on the crane girder and adapted to be unwound therefrom, each of said swing movement suppressing ropes being passed between each of
  • the present invention relates to a crane apparatus, and more particularly to a load carrying apparatus for suspending and carrying a load by rope means.
  • the present invention has a primary object to provide a crane apparatus including a trolley, a load sus pendingdevice, load suspending ropes extending between said trolley and said load suspending device, and swinging movement suppressing ropes extending between said trolley and said load suspending device for suppressing swinging movement of load, said crane apparatus further including take up drum means for said swinging movement suppressing ropes and drive means therefor which are not mounted on said trolley.
  • a further object of the present invention is to provide a crane apparatus which can accomplish the above object and in which said drum means for the swinging movement suppressing ropes can also serve for taking up the load suspending ropes.
  • a still further object of the present invention is to provide a crane apparatus which can accomplish the above object and in which the size of the trolley can be decreased.
  • a crane apparatus comprising a trolley having pairs of sheaves provided one pair adjacent to each corner portion thereof, a load suspending device having a sheave provided adjacent to each comer portion thereof, load suspending ropes wound on take up drum means provided on a crane girder and adapted to be unwound therefrom, and swinging movement suppressing ropes wound on the take up drum means on the crane girder to be unwound therefrom and each extending between one of the pairs of sheaves provided on said trolley each adjacent to corner thereof and a corresponding pair of sheaves provided on said suspending device so as to define a V-shape.
  • the crane apparatus includes load suspending ropes which extend between a trolley and a load suspending device in such a manner that they cannot by themselves suppress the swinging movement of the load, and swinging movement suppressing ropes disposed in such a manner that they suppress the swinging movement of the load, the distance as measured along a plane of the trolley between the point of support of the load suspending rope on the trolley and the point of support on the load suspending device being equal to that between the point of support of the swinging movement suppressing rope on the trolley and the point of support on the load suspending device.
  • FIG. I is a perspective view of one embodiment of the present invention, showing particularly rope arrangement therein, and,
  • FIG. 2 is an enlarged fragmentary perspective view of the apparatus shown in FIG. 1.
  • a crane apparatus which includes a trolley 1 adapted to be moved along a girder (not shown).
  • the trolley I has pairs of sheaves 2A and 2B; 2C and 2D; 2E and 2F; and 2G and 2H provided one pair adjacent to each corner of the trolley l and also pairs of sheaves 3A and 3B; 3C and 3D; 3E and 3F; and 3G and 3H provided at four other positions.
  • the crane apparatus further includes a load suspending device 5 for suspending a load in the form of a container 4.
  • the suspending device 5 has on its upper surface sheaves 6A, 6B, 6C and 6D provided one at each corner of the device 5.
  • the device 5 further has two pairs of axially aligned sheaves 7A and 7B; and 7C and 7D.
  • a pair of take up drums 8A and 8B which can be driven either simultaneously or separately from each other.
  • the drum SA has load suspending ropes 10A and 10B and swinging movement suppressing ropes 11A and 11B taken up thereon.
  • the drum 88 has load suspending ropes 10C and 10D and swinging movement suppressing ropes 11C and 11D taken up thereon.
  • the rope 10A is passed around the sheaves 2C and 2D and also around the sheave 6A.
  • the rope 10B is passed around the paired sheaves 2A and 2B and the sheave 6B, the rope 10C around the paired sheaves 2H and 2G and the sheave 6C, and the rope 10D around the paired sheaves 2F and 2E and the sheave 6D.
  • the swinging movement suppressing rope 11A is passed around the paired sheaves 3C and 3D and the sheave 7B, similarly the rope 11B around the paired sheaves 3A and 3B and the sheave 7A, the rope 11C around the paired sheaves 3H and 3G and the sheave 7C, and the rope 1 1D around the paired sheaves 3F an and 3E and the sheave 7D.
  • the swinging movement suppressing ropes llA through 11D are disposed in a unique manner.
  • the ropes 11A and 11B and the ropes IIC and MD are arranged to form V-shapes between the sheaves on the trolley l and the sheaves on the load suspending device 5.
  • the support points of the load suspending ropes 10A through 10D on the trolley l are closely related to those on the load suspending device 5, and that the support points of the swinging movement suppressing ropes 11A through 11D on the trolley l are also closely related to those on the load suspending device 5.
  • the distance A as measured along a plane of the trolley 1 between the support point of each of the load suspending ropes 10A through 10D on the trolley l and the support point of the same rope on the load suspending device as measured for example between the common axis of the sheaves 2G and 2H and the axis of the sheaves 6C is equal to the corresponding distance B between the support point of each of the swinging movement suppressing ropes 11A through 11D on the trolley 1 and the support point of the same rope on the load suspending device 5 as measured for example between the common axis of the sheaves 3G and 3H and the common axis of the sheaves 7C and 7D.
  • the load suspending ropes (for example, the ropes C and 10D) at the same side of the apparatus cross with each other as shown in the drawings, while each of the load suspending ropes is arranged in parallel relationship with respect to one of the swinging movement suppressing ropes at the same side of the apparatus.
  • the load suspending ropes are always the same in length as the corresponding swinging movement suppressing ropes, so that it is possible to take up each of the load suspending ropes on the same drum as the corresponding one of the swinging movement suppressing ropes.
  • a pair of load suspending ropes 10A through 10D at the same side of the apparatus are crossed with each other between the trolley l and the load suspending device 5.
  • the invention is not limited to the crossed arrangement of the load suspending ropes, it should be noted that the arrangement is advantageous in that it is possible to decrease the horizontal distance A between the support point of each of the load suspending ropes 10A through 10D on the trolley l and that of the same rope on the load suspending device 5, the distance being measured for example between the common axis of the paired sheaves 2G and 2H and the axis of the sheave 6C. Therefore, it is possible to decrease the dimension of the trolley 1.
  • each of the rope take up drums is used to take up both the load suspending ropes and the swinging movement suppressing ropes, however, it is of course possible to provided one or more take up drum for the swinging movement suppressing ropes separately from the take up drum or drums for the load suspending ropes.
  • the load suspending rope 10C is passed around the sheaves 2H and 6C and then around the sheave 2G.
  • the swinging movement suppressing rope 11C is passed around the sheaves 3H and 7C, and then around the sheave 36.
  • the load suspending ropes 10A through 10D are connected to an adjusting drum 9.
  • the rope 10A is taken up on the drum 9 from the lower side thereof, while the rope 108 from the upper side thereof.
  • the ropes 10C and 10D are taken up at the side opposite to the rope 10A and 108 on the drum 9 from the upper and lower sides thereof, respectively.
  • the load suspending ropes 10A through 10D may be secured to an end portion of the girder.
  • the swinging movement suppressing ropes 11A through 11D may be secured at their ends to an end of the girder, however, when it is required to perform the trim adjustment, the swinging movement suppressing ropes at the opposite sides of the apparatus may be connected at the adjacent ends in order to obtain an equalizing function.
  • the pairs of the load suspending ropes 10A, 10B; and 10C, 10D respectively extend from sheaves at the spaced apart positions on the trolley 1 to the sheaves at the spaced apart positions on the load suspending device 5, the ropes effectively works only in lifting the load but do not contribute in suppressing lateral swinging movement of the load 4 when it is transferred by the crane apparatus.
  • each of the swinging movement suppressing ropes 11A. 11B, 11C and 11D extends from sheaves supported separately two points on the trolley l to a sheave supported point at one on the load suspending device 5 to form a V-shape, it effectively serves to suppress the swinging movement of the load 4.
  • any additional load due to the swinging movement suppressing action is not implied to the load suspending ropes 10A through 10D but only to the suppressing ropes 11A through 11D.
  • a sufficient margin of safety can be assured in the load suspending ropes 10A through 10D.
  • the horizontal distance between the point of support of each load suspending rope on thetrolley and that of the same rope on the load suspending device is equal to the horizontal distance between the point of support of each swinging movement suppressing rope on the trolley and that of the same rope on the load suspending device, so that each of the load suspending ropes is always equal in length with a corresponding swinging movement suppressing rope.
  • a crane apparatus comprising a trolley having a periphery, a load suspending device, load suspending rope means disposed at an incline between said trolley and said load suspending device in such a manner that the rope means does not suppress swinging movement of a load, and swinging movement suppressing rope means disposed at an incline between the trolley and the load suspending device in such a manner to suppress the swingingrnk jyernent of the load, the distance as measured along plan e of said trolley between a support point of at least of said load suspending rope means on said trolley and a support point of the same rope means on the load suspending device being equal to the distance as measured along the plane of the trolley between a support point of at least one of the swinging movement suppressing rope means on the trolley and a support point of the same suppressing rope means on the load suspending device.
  • swinging movement suppressing rope means are supported on said trolley at locations inside of the load suspending rope means with respect to the periphery of the trolley, wherein at least one swinging movement rope means extends between the trolley and the load suspending device in a V-shape manner with another similarly extending suppressing rope means, and wherein at least one suspending rope means crosses with another suspending rope means between the trolley and the load suspending device.
  • a crane apparatus comprising a trolley movable along a crane girder, said trolley having a first set of trolley sheave means located thereon at a first set of positions, a further set of trolley sheave means located thereon at a set of positions different from said first set of positions,
  • a load suspending device having a first set of suspending device sheave means located thereon at a first set of positions, and a further set of suspending device sheave means located thereon at a set of positions different from said first set of positions,
  • each of said load suspending line means extending between a respective one of said first set of trolley sheave means and a respective one of said first set of suspending device sheave means.
  • each of said swinging movement suppressing line means extending between a respective one of said further set of trolley sheave means and one of said further set of suspending device sheave means in such a manner that it forms a V-shape with another similarly extending swinging movement suppressing line means, and take up means spaced from said trolley for taking up said load suspending line means and said swinging movement suppressing line means.
  • a crane apparatus in which at least one of said take up means which takes up the swinging movement suppressing line means also takes up at least one of the load suspending line means.
  • a crane apparatus in which the distance as measured along the plane of the trolley between the support point of each of said further set of trolley sheave means and the support point of corresponding suspending device sheave means is equal to the distance as measured along the plane of the trolley between the support point of each of said first set of trolley sheave means and the support point of a corresponding one of said suspending device sheave means.
  • each of said load suspending line means crosses with another similarly extending line means.
  • a crane apparatus wherein said sheave means have axes extending parallel to one another. and wherein said crossing line means are symmetrically arranged with respect to a plane which extends hetween said trolley and said load suspending device and which extends parallel to said axes of said sheave means.
  • said at least one take up means is a take up drum.
  • each line means extends from a take up means around a respective trolley sheave means to a respective suspending device sheave means.
  • a crane apparatus according to claim 3, wherein said further set of suspending device sheave means are arranged in coaxial pairs.
  • a crane apparatus according to claim 3, wherein the take up means are structurally remote from the trolley.
  • a crane apparatus according to claim 3, wherein all of said sheave means have parallel axes.
  • each of said take up means comprises a take up drum.
  • each of said load suspending line means and swinging movement suppressing line means extends between the trolley and the load suspending device in such a manner that they define parallel planes.
  • a crane apparatus comprising a trolley movable along a crane girder, said trolley having a first set of trolley sheave means located thereon at a first set of positions, a further set of pairs of trolley sheave means located thereon at a set of positions different from said first set of positions, a load suspending 'device having a first set of suspending device sheave means located on said device at a first set of positions, a further set of pairs of suspending device sheave means located on said device at a set of positions different from said first set of positions on said device, line means interconnecting said trolley and said device in a load-lifting relationship comprising load suspending line means and swinging movement suppressing line means, each of said load suspending line means extending between a respective one of said first set of trolley sheave means and a respective one of said first set of suspending device sheave means, each of said swinging movement suppressing line means extending between and being so disposed as to pass around a respective one of said pairs of trolley sheave means and
  • a crane apparatus according to claim 15, further comprising take up means spaced from said trolley for taking up said load suspending line means and said swinging movement suppressing line means.
  • At least one of said take up means comprises a drum element which takes up at least one of the swinging movement suppressing line means and at least one of the load suspending line means.
  • a crane apparatus in which the distance as measured along the plane of the trolley between the support point of each of said further set of pairs of trolley sheave means and the support point of corresponding suspending device sheave means is equal to the distance as measured along the plane of the trolley between the support point of each of said first set of trolley sheave means and the support point of a corresponding one of said suspending device sheave means.
  • each of said load suspending line means crosses another similarly extending line means.
  • sheave means have axes extending parallel to one another, and wherein said crossing line means are symmetrically arranged with respect to a plane which extends between said trolley and said load suspending device and which is parallel to said axes of said sheave means.
  • V-shape forming swinging movement suppressing line means share a common pair of suspending device sheave means.
  • each of said load suspending line means and swinging movement suppressing line means extends between the trolley and the load suspending device in such a manner that they define parallel planes.
  • each of said load suspending line means being so disposed that it passes around one of the pairs of sheaves disposed adjacent to the corners of said trolley and one of the sheaves disposed adjacent to the corners of the load suspending device
  • each of said swinging movement suppressing line means being so disposed that it passes around one of said further pairs of sheaves on the trolley and one of said pairs of sheaves provided on said load suspending device in such amanner that it forms a V- shape with another similarly disposed swinging movement suppressing line.
  • a crane apparatus in which at least one of said drum means which take up the swinging movement suppressing line means also serves to take up at least one of the load suspending line means.
  • a crane apparatus in which the distance as measured along the plane of the trolley between the support point of each of said further pairs of sheaves on the trolley and the support point of a corresponding pair of sheaves on said load suspending device is equal to the distance as measured along the plane of the trolley between the support point of each of said pairs of sheaves on the trolley and the support point of a'corresponding one of said sheaves provided adjacent to the corners of said load suspending device.
  • a crane apparatus in which said load suspending line means at the same side of the apparatus are so disposed they cross with each other between said trolley and said load suspending device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
US332546A 1972-10-07 1973-02-15 Crane apparatus Expired - Lifetime US3900114A (en)

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JP47101035A JPS4957930A (da) 1972-10-07 1972-10-07

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123846A1 (de) * 1983-04-02 1984-11-07 Fried. Krupp Gesellschaft mit beschränkter Haftung Laufkatzen-Seilhubwerk mit Pendeldämpfung
US4784420A (en) * 1986-03-12 1988-11-15 Hitachi, Ltd. Orientation control apparatus for suspender
US5186342A (en) * 1990-11-07 1993-02-16 Paceco Corp. Integrated passive sway arrest system for cargo container handling cranes
US6439407B1 (en) 1998-07-13 2002-08-27 The United States Of America As Represented By The Secretary Of Commerce System for stabilizing and controlling a hoisted load
US20040069734A1 (en) * 2001-03-23 2004-04-15 Ilpo Hakala Arrangement for placing crane mechanisms
US20100000955A1 (en) * 2008-07-04 2010-01-07 Hitachi Plant Technologies, Ltd. Girder block lifting method and jack-up stage used therefor
US20110315488A1 (en) * 2009-01-08 2011-12-29 Daifuku Co., Ltd. Vertically Moving Device
US20140209657A1 (en) * 2013-01-30 2014-07-31 Chun-Ming Huang Nail gun structure
US11155446B2 (en) * 2017-04-18 2021-10-26 Siemens Gamesa Renewable Energy A/S Method for installing or uninstalling a component of a wind turbine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532324A (en) * 1968-05-23 1970-10-06 Paceco Inc Antisway mechanism
US3536351A (en) * 1967-11-13 1970-10-27 Fruehauf Corp Apparatus for simultaneously lifting and spacing cargo containers
US3746182A (en) * 1970-07-08 1973-07-17 H Tax Oscillation damping arrangement for the load carrier of a hoist

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536351A (en) * 1967-11-13 1970-10-27 Fruehauf Corp Apparatus for simultaneously lifting and spacing cargo containers
US3532324A (en) * 1968-05-23 1970-10-06 Paceco Inc Antisway mechanism
US3746182A (en) * 1970-07-08 1973-07-17 H Tax Oscillation damping arrangement for the load carrier of a hoist

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123846A1 (de) * 1983-04-02 1984-11-07 Fried. Krupp Gesellschaft mit beschränkter Haftung Laufkatzen-Seilhubwerk mit Pendeldämpfung
US4784420A (en) * 1986-03-12 1988-11-15 Hitachi, Ltd. Orientation control apparatus for suspender
US5186342A (en) * 1990-11-07 1993-02-16 Paceco Corp. Integrated passive sway arrest system for cargo container handling cranes
US6439407B1 (en) 1998-07-13 2002-08-27 The United States Of America As Represented By The Secretary Of Commerce System for stabilizing and controlling a hoisted load
US6644486B2 (en) 1998-07-13 2003-11-11 The United States Of America As Represented By The Secretary Of Commerce System for stabilizing and controlling a hoisted load
US7040496B2 (en) * 2001-03-23 2006-05-09 Kci Konecranes Plc Arrangement for placing crane mechanisms
US20040069734A1 (en) * 2001-03-23 2004-04-15 Ilpo Hakala Arrangement for placing crane mechanisms
US20100000955A1 (en) * 2008-07-04 2010-01-07 Hitachi Plant Technologies, Ltd. Girder block lifting method and jack-up stage used therefor
US8177080B2 (en) * 2008-07-04 2012-05-15 Hitachi Plant Technologies, Ltd. Girder block lifting method and jack-up stage used therefor
US20110315488A1 (en) * 2009-01-08 2011-12-29 Daifuku Co., Ltd. Vertically Moving Device
US9272844B2 (en) * 2009-01-08 2016-03-01 Daifuku Co., Ltd. Vertically moving device
US20140209657A1 (en) * 2013-01-30 2014-07-31 Chun-Ming Huang Nail gun structure
US8998056B2 (en) * 2013-01-30 2015-04-07 Apach Industrial Co., Ltd. Nail gun structure
US11155446B2 (en) * 2017-04-18 2021-10-26 Siemens Gamesa Renewable Energy A/S Method for installing or uninstalling a component of a wind turbine

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Publication number Publication date
JPS4957930A (da) 1974-06-05

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