US20160332813A1 - Dynamic lifting framework - Google Patents
Dynamic lifting framework Download PDFInfo
- Publication number
- US20160332813A1 US20160332813A1 US15/155,963 US201615155963A US2016332813A1 US 20160332813 A1 US20160332813 A1 US 20160332813A1 US 201615155963 A US201615155963 A US 201615155963A US 2016332813 A1 US2016332813 A1 US 2016332813A1
- Authority
- US
- United States
- Prior art keywords
- side frame
- braces
- framework
- container
- corners
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/206—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by iso containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/12—Supports
- B65D90/20—Frames or nets, e.g. for flexible containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/0033—Lifting means forming part of the container
-
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
A modular dynamic lifting framework for a standard ISO block shipping container is disclosed, comprising two side frames which are mounted to the sides of the shipping container, and a number of braces which secure the side frames. Each of the ISO blocks on the shipping container is contacted on at least three sides (in the X, Y, and Z axes) to ensure maximum carrying capacity with minimal effort in loading/unloading during a dynamic lifting situation. The modular construction obviates the need for the entire container to be lifted during installation of the framework, as one side can be installed at a time.
Description
- This application claims the benefit of and priority to U.S. Provisional Application No. 62/161,701, filed May 14, 2015 by C. Wade Navarre II, entitled “Dynamic Lifting Framework.” The disclosure of this provisional application is incorporated by reference in its entirety.
- Embodiments usable within the scope of the present disclosure relate, generally, to an apparatus and method for loading standardized shipping containers within a framework which can be engaged with a lifting mechanism such as a crane for dynamic lifting, a spreader bar, or forklift
- It is common in the shipping industry for standardized, rectangular shipping containers to be fitted with “ISO blocks,” corner-mounted fittings with a plurality of apertures therethrough. (These are referred to as “ISO blocks” due to the with International Organization of Standardization, whose ISO 1161 publication defines manufacturing standards for freight containers.) These blocks allow containers to be easily aligned and stacked with a small amount of clearance between them to fit forklifts and other lifting mechanisms.
- However, these ISO blocks are often not intended to bear the weight of a shipping container, and utilizing the apertures as a direct load-bearing method during a dynamic lift can lead to mechanical failure.
- As a result, various lifting frameworks have been designed to indirectly lift the container through engaging with the apertures of an ISO block. An example of such a framework can be found in U.S. Pat. No. 7,726,497 to Updegrove, et al.
- The manufacturing and configuration of these lifting frameworks are governed by several standards, including but not limited to, EN (European Standard) 12079, IMO (Int'l Maritime Organizattion) 860, DNV (Det Norsk Veritas) 2.7-1, SEPCO (Shell Exploration and Production company) OPS0055, and others.
- However, these frameworks share several drawbacks. In many cases, these containers lift the framework only by the top corner blocks, reducing the amount of weight that can be borne by the lifting apparatus. Alternatively, the frameworks which support the container from the bottom tend to be bulky and require the container to be first lifted onto a weight-bearing portion which is then in turn lifted from above.
- A need exists for a dynamic lifting framework which is light, easily mounted, and maximizes the carrying capacity. A need also exists for a dynamic lifting framework that prevents the mechanical failures associated with the direct loading of ISO blocks by engaging with all eight corners of a container fitted with ISO blocks. A need also exists for a dynamic lifting framework which can accomplish these goals within the various dynamic lifting standards established in the industry.
- Embodiments of the apparatus described herein meet this and other needs.
- In the detailed description of the embodiments, presented below, reference is made to the accompanying drawings:
-
FIG. 1A depicts an isometric view of an embodiment of the framework according to the present disclosure. -
FIG. 1B depicts an isolated view of one component of the framework depicted inFIG. 1A . -
FIG. 1C depicts an isolated view of another component of the framework depicted inFIG. 1A . -
FIG. 2A depicts a zoomed-in view of a component of the framework depicted inFIG. 1A . -
FIG. 2B is a side view of the framework depicted inFIG. 1A along direction X. -
FIG. 2C is a side view of the framework depicted inFIG. 1A along direction Y. -
FIG. 3A is a side view of an embodiment of a side frame according to the present disclosure. -
FIG. 3B is a side view of the side frame ofFIG. 3A along line B-B. -
FIG. 3C is a top view of the side frame ofFIG. 3A along line C-C. -
FIG. 3D is a zoomed-in view of area D on the side frame ofFIG. 3A . -
FIG. 3E is a zoomed-in view of area E on the side frame ofFIG. 3C . - One or more embodiments are described below with reference to the listed Figures.
- Before describing selected embodiments of the present disclosure in detail, it is to be understood that the present invention is not limited to the particular embodiments described herein. The disclosure and description herein is illustrative and explanatory of one or more presently preferred embodiments and variations thereof, and it will be appreciated by those skilled in the art that various changes in the design, organization, order of operation, means of operation, equipment structures and location, methodology, and use of mechanical equivalents may be made without departing from the spirit of the invention.
- As well, it should be understood the drawings are intended to illustrate and plainly disclose presently preferred embodiments to one of skill in the art, but are not intended to be manufacturing level drawings or renditions of final products and may include simplified conceptual views as desired for easier and quicker understanding or explanation. As well, the relative size and arrangement of the components may differ from that shown and still operate within the spirit of the invention.
- Moreover, it will be understood that various directions such as “upper,” “lower,” “bottom,” “top,” “left,” “right,” and so forth are made only with respect to explanation in conjunction with the drawings, and that the components may be oriented differently, for instance, during transportation and manufacturing as well as operation. Because many varying and different embodiments may be made within the scope of the concept(s) herein taught, and because many modifications may be made in the embodiments described herein, it is to be understood that the details herein are to be interpreted as illustrative and non-limiting.
- Referring to
FIGS. 1A-1C , an example of adynamic lifting framework 10 is shown inFIG. 1A comprising twoside frames braces 30 a-30 d (30 c not visible). Thelifting framework 10 may be positioned outside the ISO container 11 (partially cut away) and can engage with the ISO corner blocks 12 a-12 h (12 d and 12 e not visible) thereof.FIG. 1B depicts anexemplar side frame 20 in greater detail, said side frame comprising twotop corner fittings bottom corner fittings FIG. 1C depicts anexemplar brace 30 comprising two connectingfittings apertures - As depicted in
FIG. 1A , it can be seen that thecontainer 11 rests entirely off the ground and on liftingframework 10. The primary weight-bearing portions of theframework 10 are, specifically, the lower portions of the side frames 20 a and 20 b, and thebraces container 11 to be dynamically lifted without placing overwhelming stress on any of the ISO corner blocks 12 a-12 h of thecontainer 11. Forklift holes 19 can be positioned above the bottom braces 30 c and 30 d for lifting from below. View directions X and Y are present to provide reference for subsequent drawings. - Referring to
FIGS. 2A-2C , these drawings depict side-on views of theframework 10 andISO container 11 depicted inFIG. 1 , withFIG. 2B equivalent to 2C along view direction X, andFIG. 2C equivalent to 2B along view Y. 2A depicts an expanded view of a corner fitting (in thiscase 21 a) blown up along the X view.FIG. 2B shows thebraces - Referring specifically to
FIG. 2A , connectingfittings FIG. 1C ; due to the zoomed-in view only one of the brace connecting fittings will be described in detail.) Apertures 32 a and 32 b are sized to accommodatefasteners bolt 33 andnut 34, although it can be appreciated that other forms of fastening known in the art are included within the scope of this disclosure. Alternatively, the components may be welded together directly. - Additionally, as shown, top corner fitting 21 a can comprise a
pad eye 24 for dynamic lifting via a sling or spreader bar or other appropriate lifting means. This avoids placing undue stress on the ISO corner fitting of thecontainer 11, and as thecontainer 11 is lifted, the weight will be borne by theframework 10 rather than the corner fittings ofcontainer 11. -
FIG. 2C depicts thecontainer 11 andframework 10 ofFIG. 2B rotated 90 degrees such that only theside frame 20 a is visible, and thebraces 30 a-30 d are head-on (and thus not visible). For clarity, only one of the corner fittings (21 a) will be described and numbered in detail. Here it can be seen that corner fitting 21 a can comprise twoapertures brace 30. Also, depicted inFIG. 2C are the twobottom corner fittings side frame 20 a, each of which also contains two apertures for aligning with a single connecting fitting of a brace. Each of thebottom corner fittings small extrusion 25 on the outside vertical edge to provide a degree of clearance from the ground and to provide additional strength to the corner connection. It has been observed that such a configuration assists in transferring weight from the horizontal to the vertical members. Forklift holes 19 can be positioned aboveframework 10 and utilized for lifting. (Ontop corner fittings pad eye 24 is positioned on top ofextrusion 25.) - In addition to the
extrusions 25, each corner fitting 21 a-21 d can additionally comprise asupport brace 27, as well as a connectingplate 28 affixingouter member 26 to the vertical portion ofside frame 20 a. These elements can allow theframework 10 to tightly fit thecontainer 11 along all three dimensions and prevent sliding.Outer member 26 braces the container from sliding in the X direction, by sitting outside the plane of theside frame 20 as depicted inFIG. 2A . The vertical portion ofside frame 20 a prevents the container from sliding in the Y direction, while the lower horizontal portion ofside frame 20 a holds the container against gravity during movement in the Z axis (i.e., lifting and lowering). Each corner fitting can additionally compriseapertures apertures brace 30. - Referring now to
FIGS. 3A-3E , an isolate view of asingle side frame 20 is provided along several directions.FIG. 3A depicts aside frame 20 along a similar view to that depicted byFIG. 2C .Side frame 20, as earlier, comprises four corner fittings 21 a-21 d, which are identical except with respect to orientation andtop corner fittings pad eyes 24 placed on thetop extrusion 25.FIG. 3B depictsFIG. 3A along the B-B direction, in a similar orientation toFIG. 2B .FIG. 3C depictsFIG. 3A along the C-C direction from above.FIGS. 3D and 3E are zoomed in views ofFIGS. 3A and 3C , depicting a closer view of bottom corner fitting 21 d, and a closer view of a top corner fitting 21 b, respectively.FIG. 3D and 3E utilize dashed lines to help show the full configuration of corner fitting 21 even when obscured by other components. -
FIG. 3D depicts each element of the corner fitting, includingapertures extrusion 25,outer member 26,support brace 27, and connectingplate 28.Extrusion 25 andsupport brace 27 are also visible inFIG. 3E , along withpad eye 24.Outer member 26 and connectingplate 28 are located belowextrusion 25 inFIG. 3E , as indicated by the dotted lines. - In addition to being a modular, resulting in an easily customized fabricating process involving simple individual elements, the present invention also provides for easier loading within a framework. Rather than completely lifting the
container 11, the container need only be lifted on one side at a time, and only to a degree sufficient to accommodate oneside frame 20 a, which can then be positioned along with twotop braces 30 a-30 b, and then asecond side frame 20 b, and the bottom two lifting braces 30 c-30 d. - Although several preferred embodiments of the invention have been illustrated in the accompanying drawings and described in the foregoing specification, it will be understood by those of skill in the art that additional embodiments, modifications and alterations may be constructed from the invention principles disclosed herein. Significantly, no particular dimensions or materials are claimed or inferred by way of this disclosure, which may be adapted to different needs as warranted by the weight and density of the cargo to be lifted.
- Additionally, it can be appreciated that while the detailed embodiments are described with respect to a standard shipping container fitted with ISO blocks, this framework can be easily adapted and utilized with non-standard containers, racks, etc., while still falling within the scope of the disclosed invention.
Claims (16)
1. A framework for a cargo container comprising:
at least two side frames defining a plane and comprising at least four corners; and
a plurality of braces connecting the at least four corners of one of the at least two side frames with the at least four corners of the other of the at least two side frames, wherein each of the at least four corners of the at least two side frames contacts a corner of the cargo container on at least three sides.
2. The framework of claim 1 , wherein one of the at least two side frames further comprises a plurality of apertures along the bottom for receiving a forklift.
3. The framework of claim 1 , where each brace of the plurality of braces further comprises an aperture for receiving a fastener therethrough.
4. The framework of claim 1 , wherein the plurality of braces and the at least two side frames are welded.
5. The framework of claim 1 , wherein each corner of the at least four corners further comprises a vertical extrusion.
6. The framework of claim 5 , wherein at least two corners of the at least four corners further comprise a pad eye located atop the vertical extrusion.
7. The framework of claim 1 , wherein each corner of the at least four corners further comprises a support brace.
8. The framework of claim 1 , wherein the at least two side frames further comprise an outer member located outside the plane.
9. A method of bracing a container block comprising a plurality of corners, wherein each of the corners comprises a corner block, the method comprising:
lifting a first side of the container block;
mounting a first side frame to the first side of the container block, wherein the bottom of the first side of the container block rests on the first side frame;
lifting a second side of the container block;
mounting a second side frame to the second side of the container block, wherein the bottom of the container block rests on the second side frame;
aligning a plurality of braces with the first side frame and the second side frame;
fastening said plurality of braces to the first side frame and the second side frame; and
lifting the first and second side frames.
10. The method of claim 9 , wherein the step of lifting the first and second side frames further comprises attaching a lifting mechanism through a plurality of pad eyes located on the top side of the first side frame and the second side frame.
11. The method of claim 9 , wherein the step of mounting the first side frame further comprises aligning the container between two outer members located on the bottom of the first side frame.
12. The method of claim 12 , wherein the step of mounting the second side frame further comprises aligning the container between two outer members located on the bottom of the second side frame.
13. The method of claim 13 , wherein each respective corner block of the plurality of corners is contacted on at least three sides by the first side frame, the second side frame, the plurality of braces, the outer members, or combinations thereof.
14. The method of claim 9 , wherein the step of aligning the plurality of braces with the first side frame and second side frame further comprises aligning at least a first aperture in each respective brace of the plurality of braces with a corresponding aperture in the first side frame, and aligning at least a second aperture in each respective brace of the plurality of braces with a corresponding aperture in the second side frame.
15. The method of claim 14 , wherein the step of fastening said plurality of braces to the first side frame and the second side frame is accomplished through a plurality of bolts and nuts located within each first aperture in each respective brace of the plurality of braces, and each second aperture in each respective brace of the plurality of braces.
16. The method of claim 9 , wherein the corner blocks are ISO 1161 standard.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/155,963 US20160332813A1 (en) | 2015-05-14 | 2016-05-16 | Dynamic lifting framework |
Applications Claiming Priority (2)
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US201562161701P | 2015-05-14 | 2015-05-14 | |
US15/155,963 US20160332813A1 (en) | 2015-05-14 | 2016-05-16 | Dynamic lifting framework |
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US20160332813A1 true US20160332813A1 (en) | 2016-11-17 |
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Family Applications (1)
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US15/155,963 Abandoned US20160332813A1 (en) | 2015-05-14 | 2016-05-16 | Dynamic lifting framework |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3386600A (en) * | 1966-09-26 | 1968-06-04 | Christopher H. Betjemann | Demountable shipping gondolas |
US20090003909A1 (en) * | 2007-06-29 | 2009-01-01 | Xerox Corporation | Radius profiled vacuum media handling transport |
US7997213B1 (en) * | 2007-08-27 | 2011-08-16 | R3G, Llc | Cargo container cradle |
US20140083554A1 (en) * | 2011-09-23 | 2014-03-27 | Robert A. Harris | Systems and methods for bulk material storage and/or transport |
-
2016
- 2016-05-16 US US15/155,963 patent/US20160332813A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3386600A (en) * | 1966-09-26 | 1968-06-04 | Christopher H. Betjemann | Demountable shipping gondolas |
US20090003909A1 (en) * | 2007-06-29 | 2009-01-01 | Xerox Corporation | Radius profiled vacuum media handling transport |
US7997213B1 (en) * | 2007-08-27 | 2011-08-16 | R3G, Llc | Cargo container cradle |
US20140083554A1 (en) * | 2011-09-23 | 2014-03-27 | Robert A. Harris | Systems and methods for bulk material storage and/or transport |
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