CN109368482A - Double 40 foot containers restockings and crane - Google Patents
Double 40 foot containers restockings and crane Download PDFInfo
- Publication number
- CN109368482A CN109368482A CN201811593586.1A CN201811593586A CN109368482A CN 109368482 A CN109368482 A CN 109368482A CN 201811593586 A CN201811593586 A CN 201811593586A CN 109368482 A CN109368482 A CN 109368482A
- Authority
- CN
- China
- Prior art keywords
- upper rack
- sling upper
- side sling
- double
- restockings
- 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.)
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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
- 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
Abstract
The invention discloses a kind of double 40 foot containers restockings, including extra large side sling upper rack, land side sling upper rack, connecting rod and first driving device, there are two separate oil cylinder for the sea side sling upper rack installation, land side sling upper rack is equipped with and two two clamps for separating oil cylinder and being detachably connected by two gripper arm seats, two separation oil cylinders in the extra large side sling upper rack and are hinged and connected to form two hinge joints by the connecting rod setting, two separation oil cylinders, the connecting rod and land side sling upper rack form parallelogram sturcutre, the first driving device connect with the extra large side sling upper rack and connect with any hinge joint.Guarantee the synchronism of two sides separation cylinder force.On this basis, present invention also provides a kind of cranes including above-mentioned double 40 foot containers restockings.
Description
Technical field
The present invention relates to sling upper rack, in particular to a kind of double 40 foot containers restockings and crane.
Background technique
Currently, double 40 foot containers restockings mostly use greatly following several structure types: sea, land side sling upper rack are logical
Connection and the combinative movement for crossing 8 oil cylinders or 10 oil cylinders realize the various operating conditions of double 40 forty equivalent unit 40s handling, each realizing
When kind movement, guarantee cylinder movement real-time detection and control the synchronism for implementing same movement by electric control system,
It prevents damage structure and causes failure.
Existing structure type, has the following disadvantages:
The oil cylinder that driving separation oil cylinder two sling upper racks of realization do dislocation motion needs to be guaranteed with electric-control system two sides oil
The synchronism of cylinder, synchronism is unreliable, easily breaks down.
Summary of the invention
It is existing in the prior art to solve the purpose of the present invention is to provide a kind of double 40 foot containers restockings
Above-mentioned technical problem.
Double 40 foot containers restockings provided by the invention, including extra large side sling upper rack, land side sling upper rack, connecting rod
And first driving device, the sea side sling upper rack installation pass through two institutes there are two oil cylinder, land side sling upper rack is separated
It states gripper arm seat and is equipped with and is hung with two two clamps for separating oil cylinder and being detachably connected, connecting rod setting in the extra large side
Tool restocking simultaneously two separation oil cylinders are hinged and connected to form two hinge joints, two separation oil cylinders, the connecting rod and
Land side sling upper rack forms parallelogram sturcutre, the first driving device connect with the sea side sling upper rack and with
Any hinge joint connection.
Further, further include connection arm mechanism for controlling two clamp synchronous opening/closings.
Further, the connection arm mechanism includes the linking arm of the second driving device and at least a pair of of articulated connection, institute
The free end for stating linking arm connects for connecting two clamps, the hinged end of the linking arm and second driving device
It connects, second driving device is connect with land side sling upper rack.
Further, the clamp includes two holder arms being hinged, the articulated position installation of two holder arms
There is the gear of the transmission for carrying out power, the holder arms and the connection arm mechanism connect.
Further, the first driving device is horizontally disposed and connect with the extra large side sling upper rack.
Further, the first driving device is oil cylinder.
Further, second driving device is vertically arranged and connect with land side sling upper rack.
Further, second driving device is oil cylinder.
Further, it is also equipped with jacking cylinder on the extra large side sling upper rack, by the jacking cylinder, makes the sea
Side sling upper rack and land side sling upper rack realize horizontal difference of height function.
Double 40 foot containers restockings provided by the invention, have the advantages that
Two separation oil cylinders are connected together with connecting rod using hinged form, land side sling upper rack, two separation are made
Oil cylinder and connecting rod form a parallelogram；
When two sling upper racks need to do dislocation motion, first driving device pushes a separation oil cylinder rotation, in addition
One separation oil cylinder follows rotation, so that dislocation motion is completed, because the above structure composition is parallel because there is connecting rod connection together
Quadrangle guarantees the synchronism of two sides separation cylinder force.
On this basis, present invention also provides a kind of cranes, including above-mentioned double 40 foot containers restockings.
Using the crane of double 40 foot containers restockings, reliability with higher.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for double 40 foot containers restockings that the embodiment of the present invention one provides.
Appended drawing reference: the sea 1- side sling upper rack；The land 2- side sling upper rack；3- connecting rod；4- first driving device；5- separation oil
Cylinder；6- gripper arm seat；7- clamp；8- hinge joint；9- connection arm mechanism；The second driving device of 91-；92- linking arm；71- holder arms；
72- gear；10- jacking cylinder.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Embodiment one:
Fig. 1 is the structural schematic diagram for double 40 foot containers restockings that the embodiment of the present invention one provides；Such as Fig. 1 institute
Show, double 40 foot containers restockings that the embodiment of the present invention one provides, including extra large side sling upper rack 1, land side sling upper rack
2, connecting rod 3 and first driving device 4, there are two separate oil cylinder 5, land side sling upper rack 2 for 1 installation of sea side sling upper rack
It is equipped with by two gripper arm seats 6 and is set with two two clamps 7 for separating oil cylinder 5 and being detachably connected, the connecting rod 3
It sets in the extra large side sling upper rack 1 and is hinged and connected to form two hinge joints 8 by two separation oil cylinders 5, divide described in two
Parallelogram sturcutre, the first driving device 4 and institute are formed from oil cylinder 5, the connecting rod 3 and land side sling upper rack 2
Extra large side sling upper rack 1 is stated to connect and connect with any hinge joint 8.
Specifically, further include connection arm mechanism 9 for controlling two 7 synchronous opening/closings of clamp.
The working principle of the application: extra large side sling upper rack 1 passes through two separation oil cylinders 5 and two of land side sling upper rack 2
Clamp 7 connects, and extra large side sling upper rack 1 and land side sling upper rack 2 is made effectively to link together, and separates oil cylinder 5 by two
Synchronization telescope is realized the separation of extra large side sling upper rack 1 and land side sling upper rack 2 and is closed up；Stretching for oil cylinder 5 is separated by one
Long, another separation oil cylinder 5 shortens the eight words separation for realizing extra large side sling upper rack 1 and land side sling upper rack 2；Two separation oil cylinders
5, connecting rod 3, land side sling upper rack 2 are combined into parallelogram sturcutre, are realized and are driven with first driving device 4, make to separate oil cylinder 5
It is rotated around fixed rotating shaft, so that extra large side sling upper rack 1 and land side sling upper rack 2 be made to realize stable horizontal displacement function；Wherein
The connection of extra large side sling upper rack 1 and land side sling upper rack 2 is to be elongated in clamp 7 to realize by separation oil cylinder 5, is disengaged
When, clamp 7 is opened, and separation oil cylinder 5 retracts, and the opening and closing of clamp 7, by connection arm mechanism 9 drive two 7 synchronous opening/closings of clamp Lai
It realizes.
Embodiment two:
Double 40 foot containers restockings that the present embodiment two provides are the double 40 feet of packagings provided embodiment one
The further improvement of box hanger restocking, on the basis of embodiment one and Fig. 1, double 40 feet of packagings of the offer of the present embodiment two
Box hanger restocking, including extra large side sling upper rack 1, land side sling upper rack 2, connecting rod 3 and first driving device 4, sea side suspender
Restocking 1 installation there are two separate oil cylinder 5, land side sling upper rack 2 by two gripper arm seats 6 be equipped with described in two
Two clamps 7 that separation oil cylinder 5 is detachably connected, the setting of connecting rod 3 is in the extra large side sling upper rack 1 and by described in two points
It is hinged and connected to form two hinge joints 8 from oil cylinder 5, two separation oil cylinders 5, the connecting rod 3 and land side sling upper rack 2
Form parallelogram sturcutre, the first driving device 4 connect with the sea side sling upper rack 1 and with any hinge joint
8 connections.
Specifically, further include connection arm mechanism 9 for controlling two 7 synchronous opening/closings of clamp.
The working principle of the application: extra large side sling upper rack 1 passes through two separation oil cylinders 5 and two of land side sling upper rack 2
Clamp 7 connects, and extra large side sling upper rack 1 and land side sling upper rack 2 is made effectively to link together, and separates oil cylinder 5 by two
Synchronization telescope is realized the separation of extra large side sling upper rack 1 and land side sling upper rack 2 and is closed up；Stretching for oil cylinder 5 is separated by one
Long, another separation oil cylinder 5 shortens the eight words separation for realizing extra large side sling upper rack 1 and land side sling upper rack 2；Two separation oil cylinders
5, connecting rod 3, land side sling upper rack 2 are combined into parallelogram sturcutre, are realized and are driven with first driving device 4, make to separate oil cylinder 5
It is rotated around fixed rotating shaft, so that extra large side sling upper rack 1 and land side sling upper rack 2 be made to realize stable horizontal displacement function；Wherein
The connection of extra large side sling upper rack 1 and land side sling upper rack 2 is to be elongated in clamp 7 to realize by separation oil cylinder 5, is disengaged
When, clamp 7 is opened, and separation oil cylinder 5 retracts, and the opening and closing of clamp 7, by connection arm mechanism 9 drive two 7 synchronous opening/closings of clamp Lai
It realizes.
Specifically, the connection arm mechanism 9 includes the linking arm 92 of the second driving device 91 and at least a pair of of articulated connection,
The free end of the linking arm 92 is for connecting two clamps 7, the hinged end of the linking arm 92 and second driving
Device 91 connects, and second driving device 91 is connect with land side sling upper rack 2.
Specifically, the clamp 7 includes two holder arms 71 being hinged, the articulated position peace of two holder arms 71
Gear 72 equipped with the transmission for carrying out power, the holder arms 71 are connected with the connection arm mechanism 9.
Realize the synchronous opening/closing of two clamps 7 with second driving device 91, while the second driving device 91 not rapid wear
It is bad, it is reliable and stable.
Embodiment three:
Double 40 foot containers restockings of the present embodiment three offers are the double 40 feet of collection provided embodiment one
The further improvement of vanning sling upper rack, on the basis of embodiment one and Fig. 1, double 40 feet of collection of the offer of the present embodiment three
Vanning sling upper rack, including extra large side sling upper rack 1, land side sling upper rack 2, connecting rod 3 and first driving device 4, the sea side are hung
Have the installation of restocking 1 and is equipped with and two institutes there are two oil cylinder 5, land side sling upper rack 2 is separated by two gripper arm seats 6
State two clamps 7 being detachably connected of separation oil cylinder 5, the setting of connecting rod 3 is in the extra large side sling upper rack 1 and will be described in two
Separation oil cylinder 5 is hinged and connected to form two hinge joints 8, on two the separation oil cylinders 5, the connecting rod 3 and land side suspenders
Frame 2 forms parallelogram sturcutre, the first driving device 4 connect with the sea side sling upper rack 1 and with any hinge
Contact 8 connects.
Specifically, further include connection arm mechanism 9 for controlling two 7 synchronous opening/closings of clamp.
The working principle of the application: extra large side sling upper rack 1 passes through two separation oil cylinders 5 and two of land side sling upper rack 2
Clamp 7 connects, and extra large side sling upper rack 1 and land side sling upper rack 2 is made effectively to link together, and separates oil cylinder 5 by two
Synchronization telescope is realized the separation of extra large side sling upper rack 1 and land side sling upper rack 2 and is closed up；Stretching for oil cylinder 5 is separated by one
Long, another separation oil cylinder 5 shortens the eight words separation for realizing extra large side sling upper rack 1 and land side sling upper rack 2；Two separation oil cylinders
5, connecting rod 3, land side sling upper rack 2 are combined into parallelogram sturcutre, are realized and are driven with first driving device 4, make to separate oil cylinder 5
It is rotated around fixed rotating shaft, so that extra large side sling upper rack 1 and land side sling upper rack 2 be made to realize stable horizontal displacement function；Wherein
The connection of extra large side sling upper rack 1 and land side sling upper rack 2 is to be elongated in clamp 7 to realize by separation oil cylinder 5, is disengaged
When, clamp 7 is opened, and separation oil cylinder 5 retracts, and the opening and closing of clamp 7, by connection arm mechanism 9 drive two 7 synchronous opening/closings of clamp Lai
It realizes.
Specifically, the connection arm mechanism 9 includes the linking arm 92 of the second driving device 91 and at least a pair of of articulated connection,
The free end of the linking arm 92 is for connecting two clamps 7, the hinged end of the linking arm 92 and second driving
Device 91 connects, and second driving device 91 is connect with land side sling upper rack 2.
Specifically, the clamp 7 includes two holder arms 71 being hinged, the articulated position peace of two holder arms 71
Gear 72 equipped with the transmission for carrying out power, the holder arms 71 are connected with the connection arm mechanism 9.
Realize the synchronous opening/closing of two clamps 7 with second driving device 91, while the second driving device 91 not rapid wear
It is bad, it is reliable and stable.
Specifically, the first driving device 4 is horizontally disposed and connect with the extra large side sling upper rack 1.
Specifically, the first driving device 4 is oil cylinder.
Example IV:
Double 40 foot containers restockings that the present embodiment four provides are the double 40 feet of packagings provided embodiment one
The further improvement of box hanger restocking, on the basis of embodiment one and Fig. 1, double 40 feet of packagings of the offer of the present embodiment four
Box hanger restocking, including extra large side sling upper rack 1, land side sling upper rack 2, connecting rod 3 and first driving device 4, sea side suspender
Restocking 1 installation there are two separate oil cylinder 5, land side sling upper rack 2 by two gripper arm seats 6 be equipped with described in two
Two clamps 7 that separation oil cylinder 5 is detachably connected, the setting of connecting rod 3 is in the extra large side sling upper rack 1 and by described in two points
It is hinged and connected to form two hinge joints 8 from oil cylinder 5, two separation oil cylinders 5, the connecting rod 3 and land side sling upper rack 2
Form parallelogram sturcutre, the first driving device 4 connect with the sea side sling upper rack 1 and with any hinge joint
8 connections.
Specifically, further include connection arm mechanism 9 for controlling two 7 synchronous opening/closings of clamp.
The working principle of the application: extra large side sling upper rack 1 passes through two separation oil cylinders 5 and two of land side sling upper rack 2
Clamp 7 connects, and extra large side sling upper rack 1 and land side sling upper rack 2 is made effectively to link together, and separates oil cylinder 5 by two
Synchronization telescope is realized the separation of extra large side sling upper rack 1 and land side sling upper rack 2 and is closed up；Stretching for oil cylinder 5 is separated by one
Long, another separation oil cylinder 5 shortens the eight words separation for realizing extra large side sling upper rack 1 and land side sling upper rack 2；Two separation oil cylinders
5, connecting rod 3, land side sling upper rack 2 are combined into parallelogram sturcutre, are realized and are driven with first driving device 4, make to separate oil cylinder 5
It is rotated around fixed rotating shaft, so that extra large side sling upper rack 1 and land side sling upper rack 2 be made to realize stable horizontal displacement function；Wherein
The connection of extra large side sling upper rack 1 and land side sling upper rack 2 is to be elongated in clamp 7 to realize by separation oil cylinder 5, is disengaged
When, clamp 7 is opened, and separation oil cylinder 5 retracts, and the opening and closing of clamp 7, by connection arm mechanism 9 drive two 7 synchronous opening/closings of clamp Lai
It realizes.
Specifically, the connection arm mechanism 9 includes the linking arm 92 of the second driving device 91 and at least a pair of of articulated connection,
The free end of the linking arm 92 is for connecting two clamps 7, the hinged end of the linking arm 92 and second driving
Device 91 connects, and second driving device 91 is connect with land side sling upper rack 2.
Specifically, the clamp 7 includes two holder arms 71 being hinged, the articulated position peace of two holder arms 71
Gear 72 equipped with the transmission for carrying out power, the holder arms 71 are connected with the connection arm mechanism 9.
Realize the synchronous opening/closing of two clamps 7 with second driving device 91, while the second driving device 91 not rapid wear
It is bad, it is reliable and stable.
Specifically, the first driving device 4 is horizontally disposed and connect with the extra large side sling upper rack 1.
Specifically, the first driving device 4 is oil cylinder.
Specifically, second driving device 91 is vertically arranged and connect with land side sling upper rack 2.
Specifically, second driving device 91 is oil cylinder.
Specifically, it is also equipped with jacking cylinder 10 on the extra large side sling upper rack 1, by the jacking cylinder 10, makes institute
State extra large side sling upper rack 1 and the horizontal difference of height function of 2 realization of land side sling upper rack.
Embodiment five:
Present invention also provides a kind of cranes, including above-mentioned double 40 foot containers restockings.
Using the crane of double 40 foot containers restockings, reliability with higher.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of double 40 foot containers restockings, which is characterized in that including extra large side sling upper rack, land side sling upper rack, connect
Bar and first driving device, the sea side sling upper rack installation pass through two there are two oil cylinder, land side sling upper rack is separated
The gripper arm seat, which is equipped with, to be arranged with two two clamps for separating oil cylinder and being detachably connected, the connecting rod in the extra large side
Two separation oil cylinders simultaneously are hinged and connected to form two hinge joints, two the separation oil cylinders, the connecting rods by sling upper rack
Parallelogram sturcutre is formed with land side sling upper rack, the first driving device is connect simultaneously with the extra large side sling upper rack
It is connect with any hinge joint.
2. double 40 foot containers restockings according to claim 1, which is characterized in that further include for controlling two
The connection arm mechanism of the clamp synchronous opening/closing.
3. double 40 foot containers restockings according to claim 2, which is characterized in that the connection arm mechanism includes
The linking arm of second driving device and at least a pair of of articulated connection, the free end of the linking arm is for connecting two folders
Pincers, the hinged end of the linking arm are connect with second driving device, in second driving device and land side suspender
Frame connection.
4. double 40 foot containers restockings according to claim 2, which is characterized in that the clamp includes being hinged
Two holder arms, the articulated position of two holder arms is equipped with the gear of the transmission for carrying out power, a folder
Tong arm and the connection arm mechanism connect.
5. double 40 foot containers restockings according to claim 1, which is characterized in that the first driving device water
Flat setting is simultaneously connect with the extra large side sling upper rack.
6. double 40 foot containers restockings according to claim 1 or 5, which is characterized in that the first driving dress
It is set to oil cylinder.
7. double 40 foot containers restockings according to claim 3, which is characterized in that second driving device is perpendicular
It connect to setting and with land side sling upper rack.
8. double 40 foot containers restockings according to claim 3 or 7, which is characterized in that the second driving dress
It is set to oil cylinder.
9. double 40 foot containers restockings according to claim 1, which is characterized in that on the sling upper rack of the sea side
It is also equipped with jacking cylinder, by the jacking cylinder, the extra large side sling upper rack and land side sling upper rack is made to realize water
Flat difference of height function.
10. a kind of crane, which is characterized in that including double 40 foot containers of any of claims 1-9
Restocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593586.1A CN109368482A (en) | 2018-12-25 | 2018-12-25 | Double 40 foot containers restockings and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593586.1A CN109368482A (en) | 2018-12-25 | 2018-12-25 | Double 40 foot containers restockings and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109368482A true CN109368482A (en) | 2019-02-22 |
Family
ID=65371577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593586.1A Pending CN109368482A (en) | 2018-12-25 | 2018-12-25 | Double 40 foot containers restockings and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368482A (en) |
Citations (5)
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|---|---|---|---|---|
| CN1785776A (en) * | 2005-03-29 | 2006-06-14 | 上海振华港口机械（集团）股份有限公司 | Bi 40 feet container hoist upper frame |
| CN1785783A (en) * | 2005-03-29 | 2006-06-14 | 上海振华港口机械（集团）股份有限公司 | Jointing detaching device of upper frame of bi40 feet container sling |
| CN2841606Y (en) * | 2005-10-31 | 2006-11-29 | 上海振华港口机械（集团）股份有限公司 | Crab-arm type dual 40-foot slings grounding device |
| CN101134553A (en) * | 2006-11-17 | 2008-03-05 | 上海振华港口机械（集团）股份有限公司 | Bank crane capable of hanging three 40-inch containers once |
| US20110123257A1 (en) * | 2006-05-22 | 2011-05-26 | Nsl Engineering Pte Ltd | Spreader spacing device |
-
2018
- 2018-12-25 CN CN201811593586.1A patent/CN109368482A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785776A (en) * | 2005-03-29 | 2006-06-14 | 上海振华港口机械（集团）股份有限公司 | Bi 40 feet container hoist upper frame |
| CN1785783A (en) * | 2005-03-29 | 2006-06-14 | 上海振华港口机械（集团）股份有限公司 | Jointing detaching device of upper frame of bi40 feet container sling |
| CN2841606Y (en) * | 2005-10-31 | 2006-11-29 | 上海振华港口机械（集团）股份有限公司 | Crab-arm type dual 40-foot slings grounding device |
| US20110123257A1 (en) * | 2006-05-22 | 2011-05-26 | Nsl Engineering Pte Ltd | Spreader spacing device |
| CN101134553A (en) * | 2006-11-17 | 2008-03-05 | 上海振华港口机械（集团）股份有限公司 | Bank crane capable of hanging three 40-inch containers once |
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Application publication date: 20190222 |