CN103052588B - Crane power-feed cable reel device and crane provided therewith - Google Patents
Crane power-feed cable reel device and crane provided therewith Download PDFInfo
- Publication number
- CN103052588B CN103052588B CN201180028296.2A CN201180028296A CN103052588B CN 103052588 B CN103052588 B CN 103052588B CN 201180028296 A CN201180028296 A CN 201180028296A CN 103052588 B CN103052588 B CN 103052588B
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- hoisting crane
- power
- cable roll
- crane
- cable
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Classifications
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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
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- 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
- B66C19/007—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries for containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Provided is a crane power-feed cable reel device that can feed power to a crane regardless of where a power supply is installed. Said device is provided with: a cable reel (35) around which a power-feed cable (33) is wound, said power-feed cable running from a power-feed box installed on the ground; a connector used when supplying power to the crane from the power-feed cable (33) wound around the cable reel (35); and a connection mount (51) on which the cable reel (35) and connector are mounted, said connection mount being removably attachable to the crane. An opening (59) into which a protruding beam (13) can be inserted is formed in the connection mount (51), said protruding beam protruding outwards from a leg (11) of the crane with respect to the direction of travel.
Description
Technical field
The present invention relates to the hoisting crane power cable roll device being applicable to being located at hoisting crane and the hoisting crane possessing this device, described hoisting crane such as be provided with multiple box shape freight container harbour container depot in conveying container.
Background technology
In the container depot at harbour etc., be provided with multiple load to boats and ships before freight container, the freight container that unloads from boats and ships.Multiple stacked containers piled up upward by these freight containers, and each stacked containers arranges according to the rules and is arranged on each tunnel.On each tunnel, to be configured with RTG(Rubber Tired Gantry crane such shown in patent documentation 1 across the mode in tunnel) etc. self-propelling transfer crane.By this transfer crane, with the trailer of walking in tunnel, AGV(Automatic Guided Vehicle) carry out the handing-over of freight container, and, carry out arranging of the freight container in tunnel.
The hoisting cranes such as this RTG generated electricity by the oil-electric engine being equipped on hoisting crane in the past, to running motor, the handling motor supply electric power of hoisting crane.Due to the requirement of minimizing environmental load in recent years, the hybrid power power mode being also equipped with storage battery except oil-electric engine is constantly practical.And, as the mode of the minimizing of propelling environmental load, there is discarded oil-electric engine and supply the cable roll formula surface power supply mode of electric power via power cable and cable roll to hoisting crane from the power supply source being located at ground.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2007-145444 publication
Summary of the invention
Fig. 7 represents the hoisting crane 100 of the RTG being formed as cable roll formula surface power supply mode.As shown in the drawing, electric power is supplied via power cable 103 and cable roll 105 to hoisting crane 100 from consumer unit 101.
But consumer unit 101, owing to being fixedly arranged at ground, therefore needs to equip consumer unit 101 on the position corresponding with the position of the cable roll 105 being equipped on hoisting crane 100.In this case, consumer unit 101 to another heavy-duty machine 100 power supply worked on the tunnel that the transverse shifting direction Y along hoisting crane 100 is adjacent cannot share for the hoisting crane 100 of these both sides, need the consumer unit 101 of configure dedicated respectively, the increase of cost can be caused, therefore not preferred.
The voltage of electric power supplied from consumer unit 101 is the such high potential of AC6600V level.This is because when considering the maximum load of hoisting crane 100, need the electric power of about 350kW.Therefore, the diameter of power cable 103 is also thicker due to high potential specification, is accompanied by this, and the diameter of cable roll 105 also becomes large and maximizes.
Therefore, when to direction of travel X(with reference to Fig. 7) projecting, need the large-scale bar construction for holding device weight, and it is large to the outstanding quantitative change of the direction of travel X of cable roll 105, therefore cannot increase to the amount that tunnel end is close, thus produce the problem that the area efficiency of collecting freight container is declined.Therefore, as shown in Figure 7, must to arrange cable roll 105 to the mode protruding outside of the transverse shifting direction Y orthogonal with direction of travel X.From the view point of the area efficiency of collecting freight container, and the clutch interval between another heavy-duty machine 100 that the Y side, transverse shifting direction of hoisting crane 100 operates also narrowly sets as far as possible, must become with the situation arranging cable roll 105 to the mode protruding outside of transverse shifting direction Y the practical larger reason hindered based on the motorized of cable roll operated type.
The present invention makes in light of this situation, the hoisting crane power cable roll device that object is to provide a kind of haveing nothing to do with the setting position of power supply source (consumer unit) and can powers to hoisting crane and the hoisting crane possessing this device.
In addition, the invention provides a kind of hoisting crane, even if it is in the container depot that the interval of the hoisting crane adjacent along direction of travel is narrow, in order to the motorized of cable roll operated type can be realized, also can be projecting along direction of travel by cable roll.
In order to solve above-mentioned problem, hoisting crane power cable roll device of the present invention and the hoisting crane possessing this device adopt following means.
That is, the hoisting crane power cable roll device of the 1st aspect of the present invention possesses: cable roll, and reel the power cable guided from the power supply source of ground side; Adaptor union, uses when being supplied to crane side by the electric power from the power cable being wound in this cable roll; Connecting portion, carries described cable roll and described adaptor union and can relative to hoisting crane dismounting.
Hoisting crane power cable roll device possess the power cable that winding guides from the power supply source of ground side cable roll and future self-powered cable electric power supply to crane side time use adaptor union, by carrying their connecting portion, and enable hoisting crane power cable roll device relative to hoisting crane dismounting.Thus, even if be from when being installed on position far away viewed from the power cable roll device of hoisting crane in the position of the power supply source of ground side, also can dismantle power cable roll device and move the position be set to close to desired by power supply source, therefore, it is possible to independently electric power is supplied to hoisting crane with the position of power supply source.
And, at the hoisting crane of the 1st aspect of the present invention with in power cable roll device, can be following structure: be formed with at described connecting portion the connection opening that the protrusion given prominence to outward from the leg of hoisting crane can insert.
To be inserted and can fixed crane power cable roll device, therefore, it is possible to hoisting crane power cable roll device is carried out moving establishing relative to hoisting crane easily to the connection opening being located at connecting portion by protrusion that the leg from hoisting crane is given prominence to.
In addition, at the hoisting crane of said structure with in power cable roll device, the fork truck patchhole that the pawl being formed with fork truck at described connecting portion can insert, described connecting portion possesses lockout mechanism, this lockout mechanism by the fork truck inserted from described fork truck patchhole pawl and keep out of the way, front and then engage with the described protrusion of hoisting crane when the pawl of fork truck exits.
By forming fork truck patchhole at connecting portion, and the pawl of fork truck can be inserted to connecting portion, hoisting crane power cable roll device is carried.Further, be provided with lockout mechanism, this lockout mechanism, by corresponding to the insertion of pawl of fork truck and the snap-latch piece that exits and keep out of the way and advance, to be fixed connecting portion relative to the protrusion of hoisting crane and to remove fixing.Thus, in a series of operation installed or removed to hoisting crane by heavy-duty machine power cable roll device by fork truck, can be fixed and remove fixing to hoisting crane power cable roll device, therefore manufacturability improves simultaneously.
In addition, the hoisting crane power cable roll device recorded for above-mentioned any one of the crane tool of the 2nd aspect of the present invention.
Due to can relative to hoisting crane dismounting power cable roll device, therefore, it is possible to independently supply electric power to hoisting crane with the position of the power supply source of ground side.
In addition, the crane tool of the 2nd aspect of the present invention is standby: power storage devices, stores the electric power supplied via described power cable; Charge-discharge controller, the variation of the electric power consumed according to this hoisting crane and control the discharge and recharge of described power storage devices, thus, the peak value realized from the energizing power of described power cable eliminates, such as the low-voltage power of below AC600V can be supplied via described power cable, reduce the diameter of described power cable, realize the miniaturization of cable roll, thus, described cable roll is arranged highlightedly to the direction of travel of described hoisting crane.
In addition, possess the electric power according to hoisting crane consumption and control the charge and discharge device of the discharge and recharge of power storage devices, thereby, it is possible to the electric power supplied from power cable is suppressed the low voltage for such as below AC600V.Thus, as power cable, without the need to the thicker power cable of the high potential specification that used AC6600V level such as in the past, the diameter of cable roll can be reduced and realize miniaturization.Therefore, even if in the container depot that the interval of the hoisting crane adjacent along direction of travel is narrow, also to the direction of travel of hoisting crane, cable roll can be set highlightedly, thus without the need to making cable roll protruding outside to transverse shifting direction (direction orthogonal with direction of travel) as in the past.
Invention effect
According to the present invention, because hoisting crane power cable roll device can relative to hoisting crane dismounting, therefore, it is possible to independently power to hoisting crane with the setting position of the power supply source of ground side.
In addition, power cable is made to be the miniaturization that low voltage specification realizes cable roll by charge and discharge device, even if therefore in the container depot that the interval of the hoisting crane adjacent along direction of travel is narrow, also can be outstanding and arrange to direction of travel by cable roll.
Accompanying drawing explanation
Fig. 1 is the block diagram of the hoisting crane representing one embodiment of the present invention.
Fig. 2 is the front view of the cable roll device representing one embodiment of the present invention.
Fig. 3 is the lateral plan of the cable roll device of Fig. 2.
Fig. 4 is the block diagram of the details of the collector machine periphery of the cable roll device representing Fig. 2.
Fig. 5 is that the snap-latch piece of the cable roll device representing Fig. 2 is undertaken keeping out of the way by the pawl of fork truck and becomes the lateral plan of the state of latch-release.
Fig. 6 A is the lateral plan representing operation hoisting crane being arranged to cable roll device, represents the state before arranging.
Fig. 6 B is the lateral plan representing operation hoisting crane being arranged to cable roll device, represents the state after arranging.
Fig. 7 is the block diagram of the RTG representing cable roll formula surface power supply mode.
Detailed description of the invention
Below, with reference to accompanying drawing, one embodiment of the present invention is described.
Fig. 1 represents the hoisting crane 1 of present embodiment.The figure shows two hoisting cranes 1F, 1R arranging respectively in 2 tunnels adjacent along transverse shifting direction Y.Hoisting crane 1 is the electric crane carrying out the surface power supply mode of action by the electric power supplied from the consumer unit 31 being arranged at ground, does not possess oil-electric engine.And hoisting crane 1 possesses the hoisting crane power cable roll device (hreinafter referred to as " cable roll device ") 2 of present embodiment.
Hoisting crane 1 is so-called RTG(Rubber Tired Gantry crane), be the hoisting crane of the gate-type certainly walked by multiple rubber tire 3.Hoisting crane 1 configures across tunnel R, and the length direction (direction of travel X) along tunnel R is walked, and stacked containers stacking upward for multiple freight container (not shown) is had regulation arrangement and is arranged at this tunnel R.
Hoisting crane 1 possesses 4 running gears 5 at each leg 11, is provided with 4 rubber tires 3 at each running gear 5.Running gear 5 controls it by traveling control device 7 and drives.Auto-steering sensor 6 is provided with at running gear 5.This auto-steering sensor 6 detects the magnetic of the magnetic guiding line 15 laid from the length direction along tunnel R, thereby, it is possible to make hoisting crane 1 automatically carry out craspedodrome running along direction of travel X.
Linked by underbeam 9 along left and right directions and the adjacent running gear 5 of direction of travel X, this underbeam 9 is provided with traveling control device 7.At this, left and right represents the direction of travel of hoisting crane, and front and back represent the moving direction (transverse shifting direction Y) of load car 20.This is the direction that the attitude of the operator be arranged in the operator's compartment 22 of load car 20 is determined for benchmark.
Row (bay) sensor 8 of state is downward provided with in the central authorities of underbeam 9.This row's sensor 8 detects the magnetic of the magnet 16 of row's laying of the unit from the left and right directions to each freight container as arranging, thereby, it is possible to make hoisting crane 1 stop at the row of target.
The post 10 erectting setting is upward respectively equipped with at the two ends of underbeam 9.The post 10 arranged is erect in the upper end of each post 10 with the underbeam 9 from the opposing party upper end by crossbeam 12 links.
Crossbeam 12 is set up in parallel two along left and right directions, and load car 20 is mobile along fore-and-aft direction (transverse shifting direction Y) on these crossbeams 12.Aloft trolley 20 is provided with operator's compartment 22, and operator awaits orders in this operator's compartment 22, carries out the operation of hoisting crane 1.
Stull (suspender) 24 is had, by this stull 24 to hold the state suspention freight container of freight container from load car 20 suspention.Specifically, the twist lock span (not shown) in front end with enlarged head is arranged on the corner of stull 24 downwards with outstanding state, the enlarged head of each twist lock span is being inserted into rotation under the state in the hole arranged in the upper surface corner of freight container thus is engaging.So suspended in midair by stull 24, freight container corresponds to moving and moving to each position of load car 20 thus.
Hoisting crane 1 possesses not shown storage battery (power storage devices) and charge and discharge device.The electric power that battery stores supplies from the consumer unit 31 being fixedly installed on ground via power cable 33 and cable roll 35.The electric power of the such low voltage of such as AC460V is supplied from consumer unit 31.Charge and discharge device, by controlling the discharge and recharge of storage battery, can correspond to the variation of the power consumption of hoisting crane 1 and average energizing power and suppressed lower.
Power cable 33 is set to the such low voltage specification of AC460V, therefore compared with the power cable of the high potential specification of AC6600V level in the past, is formed as path.Be accompanied by this, cable roll 35 can realize miniaturization compared with cable roll in the past.The cable roll 35 of miniaturization like this is arranged in the mode that the direction of travel X side to hoisting crane 1 is outstanding.
The cable roll device 2 possessing cable roll 35 can relative to hoisting crane 1 dismounting.As shown in Figure 1, can arrange multiple for 1 hoisting crane 1.Further, the position of cable roll device 2 can be changed according to the position of consumer unit 31.
In the example depicted in figure 1, in the hoisting crane 1F of front side, a cable roll device 2 is respectively arranged to the leg 11 of the left and right at rear, in the hoisting crane 1R of rear side, a cable roll device 2 is respectively set at the leg 11 of the front and back of left.In the hoisting crane 1R of rear side, because consumer unit 31 is positioned at the left of front side, therefore cable roll device 2 is moved the position i.e. leg 11 of left, front side be set to close to this consumer unit 31.Such as, as the hoisting crane 1F of front side when the leg 11 of rear side right is provided with cable roll device 2, as shown by arrow A, cable roll device 2 is moved from left on front side of rear side right direction establish.
Outstanding beam (protrusion) 13 for fixed cable roll device 2 is given prominence to along horizontal direction and is arranged on the leg 11 of the below of the post 10 of hoisting crane 1.About the fixing means of cable roll device 2 employing outstanding beam 13, describe later.
Fig. 2 and Fig. 3 represents cable roll device 2.
Cable roll device 2 possesses: the cable roll 35 of winding power cable 33; To the rotary shaft body 37 that the centre of gration of cable roll 35 supports; Drive the electro-motor 39 that rotary shaft body 37 rotates; For the adaptor union 41 that the electric power will supplied from power cable 33 supplies to hoisting crane 1 side.
Electro-motor 39 drives rotary shaft body 37 via retarder 43.Electro-motor 39 carries out action when extracting power cable 33 out and the tension force of regulation is applied to power cable 33 in order to avoid power cable 33 relaxes, and rotates with the torque actuated cable roll 35 of regulation along coiling direction when reeling power cable 33.
The electric power supplied from power cable 33 supplies to adaptor union 41 via collector machine 45.As shown in Figure 4, collector machine 45 is provided with current colector 45a for each distribution being branched off into 3 phases from power cable 33, guides 3 phase electric power via each brush 45b corresponding with described current colector 45a to adaptor union 41.Adaptor union 41 is connected with the not shown adaptor union of crane side.
The cable guide 47 that the power cable 33 come from ground control is guided is provided with in the below of cable roll 35.
On connection pallet (connecting portion) 51 below above-mentioned cable roll 35, electro-motor 39, collector machine 45, adaptor union 41 etc. are mounted in and are positioned at.Connection pallet 51 possesses: be arranged at corner and erect the leg 53 arranged; The below platen 55 fixing relative to leg 53 level and top platen 57.Platen 57 is fixedly installed retarder 43 and collector machine 45 up.
Opening 59 is formed with up between platen 57 and below platen 55.This opening 59 is as the connection opening for being fixed relative to hoisting crane 1 by cable roll device 2.Specifically, as shown in Figure 3, can insert to opening 59 from the outstanding beam 13 that the leg 11 of the below of the post 10 of hoisting crane 1 is outstanding to the foreign side of direction of travel X.
The lockout mechanism for being fixed relative to outstanding beam 13 by cable roll device 2 is provided with at below platen 55.This lockout mechanism possesses multiple snap-latch piece 61, and is exerted a force by force application components such as springs, to advance upward under normal conditions.Fig. 3 represents before snap-latch piece 61 upward and then the lock-out state that engages with the engagement groove that the lower surface at outstanding beam 13 is formed.
As shown in Figure 2, the fork truck patchhole 63 that the pawl being formed with fork truck in the side of below platen 55 can insert.When being inserted from this fork truck patchhole 63 by the pawl 65 of fork truck, as shown in Figure 5, snap-latch piece 61 is kept out of the way downwards and becomes latch-release state under the state abutted with the pawl 65 of fork truck.
Fig. 6 A and Fig. 6 B represents the fixing means of cable roll device 2 relative to hoisting crane 1.Cable roll device 2 can by carrying fork truck, as shown in Figure 6A, by by the fork truck patchhole 63(of the pawl 65 of fork truck platen 55 from below with reference to Fig. 2) insert and lift cable roll device 2.Now, snap-latch piece 61 by fork truck pawl 65 and keep out of the way downwards, lock-out state is removed.Then, make fork truck close to hoisting crane 1 side, outstanding beam 13 is inserted in the opening 59 of cable roll device 2.Then, as shown in Figure 6B, make fork truck with from hoisting crane 1 away from mode keep out of the way and pawl 65 extracted from fork truck patchhole 63.When pawl 65 is kept out of the way, snap-latch piece 61 advances upward by application force, engages, become lock-out state with outstanding beam 13.
As previously discussed, according to the present embodiment, following action effect is played.
Hoisting crane power cable roll device 2 possess the power cable 33 that winding guides from the consumer unit 31 of ground side cable roll 35 and future self-powered cable 33 electric power supply to hoisting crane 1 side time use adaptor union 41, by being equipped with their connection pallet 51, and make hoisting crane power cable roll device 2 can dismounting relative to hoisting crane 1.Thus, even if when the position of the consumer unit 31 of ground side is seen as position far away from the power cable roll device 2 being installed on hoisting crane 1, also can dismantle power cable roll device 2 and move the position be set to close to desired by consumer unit 31, therefore, it is possible to independently electric power is supplied to hoisting crane with the position of consumer unit 31.
By outstanding beam 13 outstanding for the leg 11 from hoisting crane 1 to be inserted and can fixed cable roll device 2, therefore, it is possible to carry out moving establishing relative to hoisting crane 1 easily to opening 59.
Form fork truck patchhole 63 by the below platen 55 at connection pallet 51, and the pawl 65 of fork truck can be inserted to fork truck patchhole 63, cable roll device 2 is carried.Further, be provided with lockout mechanism, this lockout mechanism, by corresponding to the insertion of pawl 65 of fork truck and the snap-latch piece 61 that exits and keep out of the way and advance, is fixed and removes fixing relative to the outstanding beam 13 of hoisting crane 1.Thus, in a series of operation installed or removed to hoisting crane 1 by cable roll device 2 by fork truck, can be fixed and remove fixing to cable roll device 2, therefore manufacturability improves simultaneously.
In addition, possessing the electric power equalization in order to make hoisting crane 1 consume and the charge and discharge device that the discharge and recharge of storage battery is controlled, thus, the electric power supplied being set to AC460V from power cable 33, the electric power that hoisting crane 1 consumes can be suppressed.Thus, as power cable 33, without the need to the thicker power cable of the high potential specification that used AC6600V level such as in the past, the diameter of cable roll 35 can be reduced and realize miniaturization.Therefore, even if at hoisting crane 1F, the 1R(adjacent along transverse shifting direction with reference to Fig. 1) the narrow container depot in interval in, also cable roll 35 can be set highlightedly to the direction of travel X of hoisting crane 1, thus without the need to making protruding outside to transverse shifting direction Y of cable roll as in the past.
Label declaration
1 hoisting crane
2 cable roll devices (hoisting crane power cable roll device)
13 outstanding beams (protrusion)
31 consumer units (power supply source)
33 power cables
35 cable rolls
41 adaptor unions
59 openings (connection opening)
61 snap-latch pieces (lockout mechanism)
63 fork truck patchholes
Claims (4)
1. a hoisting crane power cable roll device, is characterized in that possessing:
Cable roll, reel the power cable guided from the power supply source of ground side;
Adaptor union, uses when being supplied to crane side by the electric power from the power cable being wound in this cable roll;
Connecting portion, carries described cable roll and described adaptor union and can relative to hoisting crane dismounting,
The connection opening that the protrusion given prominence to outward from the leg of hoisting crane can insert is formed at described connecting portion.
2. hoisting crane power cable roll device according to claim 1, is characterized in that,
The fork truck patchhole that the pawl being formed with fork truck at described connecting portion can insert,
Described connecting portion possesses lockout mechanism, this lockout mechanism by the fork truck inserted from described fork truck patchhole pawl and keep out of the way, front and then engage with the described protrusion of hoisting crane when the pawl of fork truck exits.
3. a hoisting crane, is characterized in that, possesses the hoisting crane power cable roll device described in claim 1 or 2.
4. hoisting crane according to claim 3, is characterized in that,
Possess:
Power storage devices, stores electric power by the low-voltage power of below AC600V via described power cable supply;
Charge-discharge controller, the variation of the electric power consumed according to this hoisting crane and control the discharge and recharge of described power storage devices,
Described cable roll is arranged in the mode that the direction of travel to described hoisting crane is outstanding.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011009246A JP5622599B2 (en) | 2011-01-19 | 2011-01-19 | Crane feeding cable reel device and crane equipped with the same |
| JP2011-009246 | 2011-01-19 | ||
| PCT/JP2011/060092 WO2012098700A1 (en) | 2011-01-19 | 2011-04-25 | Crane power-feed cable reel device and crane provided therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103052588A CN103052588A (en) | 2013-04-17 |
| CN103052588B true CN103052588B (en) | 2015-04-29 |
Family
ID=46515348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180028296.2A Active CN103052588B (en) | 2011-01-19 | 2011-04-25 | Crane power-feed cable reel device and crane provided therewith |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5622599B2 (en) |
| CN (1) | CN103052588B (en) |
| WO (1) | WO2012098700A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457570A (en) * | 2019-01-03 | 2019-03-12 | 中交公局第工程有限公司 | One kind crossing crossing device convenient for precasting yard portal jib crane |
| DE102019105971A1 (en) * | 2019-03-08 | 2020-09-10 | Liebherr-Werk Biberach Gmbh | Crane and cable drum therefor |
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| JP4908829B2 (en) * | 2005-11-24 | 2012-04-04 | 三菱重工業株式会社 | crane |
| JP2009242088A (en) * | 2008-03-31 | 2009-10-22 | Mitsui Eng & Shipbuild Co Ltd | Crane device |
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- 2011-01-19 JP JP2011009246A patent/JP5622599B2/en active Active
- 2011-04-25 CN CN201180028296.2A patent/CN103052588B/en active Active
- 2011-04-25 WO PCT/JP2011/060092 patent/WO2012098700A1/en active Application Filing
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| CN86202788U (en) * | 1986-05-02 | 1987-07-08 | 广西煤矿设计院 | Gantry crane |
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| Publication number | Publication date |
|---|---|
| WO2012098700A1 (en) | 2012-07-26 |
| JP5622599B2 (en) | 2014-11-12 |
| JP2012148859A (en) | 2012-08-09 |
| CN103052588A (en) | 2013-04-17 |
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Effective date of registration: 20161118 Address after: Tokyo, Japan Patentee after: SUMITOMO HEAVY INDUSTRIES MATERIAL HANDLING SYSTEMS CO., LTD. Address before: Hiroshima Japan Patentee before: Mitsubishi Heavy Ind Ltd |