US20110002756A1 - Mobile lifting assembly - Google Patents
Mobile lifting assembly Download PDFInfo
- Publication number
- US20110002756A1 US20110002756A1 US12/747,493 US74749309A US2011002756A1 US 20110002756 A1 US20110002756 A1 US 20110002756A1 US 74749309 A US74749309 A US 74749309A US 2011002756 A1 US2011002756 A1 US 2011002756A1
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- US
- United States
- Prior art keywords
- lifting assembly
- mobile lifting
- body frame
- mobile
- structural member
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/02—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
- B62B2202/62—Tiles, bricks, paving slabs or the like
Definitions
- the present invention broadly relates to a mobile lifting assembly for manipulating structural members, such as an I-beam. More particularly, the invention relates to a mobile lifting assembly for lifting and transporting structural members in construction or mining applications.
- Structural members such as I-beams are often required to reinforce structures in a construction site or a mining site.
- the angle and placement of the structural members are crucial to the reinforcement, which necessitates the accurate positioning of the structural members.
- the structural members when being installed for structural reinforcement, can be manipulated to be placed at various positions and orientations.
- one or more forklifts are used for manipulating structural members.
- One of the disadvantages of using forklifts is the height restrictions in a construction site or a mining site. For example, when a multi-level car park is to be converted into a shopping complex, every second floor of the car park may need to be knocked down to satisfy the height requirements for a shopping complex. In this situation, structural members may be required for structural reinforcement. The use of forklifts in this situation may not be possible because the forklifts may be too tall to enter a car park level.
- Other disadvantages of using forklifts also include the need for a number of forklifts and a number of forklift operators. Height restrictions in a mining site may be even more stringent that those for a car park.
- a mobile lifting assembly comprising:
- the lifting devices each include a hydraulic ram.
- the four lifting devices are arranged as two (2) pairs of lifting devices spaced longitudinally along the body frame which is generally rectangular. More preferably the mobile lifting assembly includes two (2) cradles connected to respective of the two (2) pairs of lifting devices. Even more preferably the two (2) cradles are each operatively coupled to the hydraulic rams of the corresponding pair of lifting device for repositioning of the structural member.
- At least one of the four lifting devices includes a load, monitoring device, such as a load cell.
- the four individually controllable lifting devices may be controlled by a single control device.
- the body frame includes a first pair and a second pair of wheels and the body frame is in the form of a trailer. More preferably at least one of the pairs of wheels is coupled to a turntable. Even more preferably the turntable is rotatable by 360 degrees.
- the mobile lifting assembly includes an idler roller to assist with sliding of the structural member across the mobile lifting assembly. More preferably the mobile lifting assembly includes a winch for pulling the structural member across the mobile lifting assembly on the idler roller.
- the mobile lifting assembly is arranged to couple with at least one other mobile lifting assembly to form a train of mobile lifting assemblies.
- a mobile lifting assembly comprising:
- the skid includes a hydraulic ram for adjusting the height of the skid for contacting the body frame. More preferably said hydraulic ram is one of a plurality of hydraulic rams.
- the skid includes an upper frame for contacting the body frame. More preferably the plurality of hydraulic rams are arranged for adjusting the tilt of the upper frame such that the load exerted by the mobile lifting assembly on the supporting surface is adjustably distributed.
- the body frame includes supporting members. More preferably the supporting members are wheels, and the body frame is in the form of a trailer.
- the skid includes another load monitoring device, such as a load cell.
- another load monitoring device such as a load cell.
- FIG. 1 Perspective view of a first embodiment of the mobile lifting assembly, and a forklift.
- FIG. 2 End view of a second embodiment of the mobile lifting assembly.
- FIG. 3 End view of a third embodiment of the mobile lifting assembly with a winch and a idler roller.
- FIG. 4 Partial end view of the third embodiment of the mobile lifting assembly with a cradle being positioned at an angle.
- FIG. 5 Perspective view of an example of a skid.
- FIG. 6 Perspective view of the first embodiment of the mobile lifting assembly including a skid.
- the present invention relates to a mobile lifting assembly for transporting and manipulating structural members, such as an I-beam, in construction or mining applications.
- the mobile lifting assembly comprises a primary unit or a body frame 2 with one or more wheels 4 for transporting a structural member (which is not shown in FIG. 1 ), and at least two lifting devices 6 connected to the body frame 1 for repositioning of the structural member.
- FIG. 1 shows an embodiment with four lifting devices 6 , arranged as two pairs ( 8 and 10 ) of lifting devices 6 spaced longitudinally along the body frame 2 , which, in the embodiment shown in FIG. 1 , is rectangular.
- the lifting devices 6 may each include a hydraulic ram for raising or lowering the corresponding lifting device.
- the lifting devices 6 may be individually controllable such that the structural member can be repositioned, such as raised, lowered, rolled or tilted, at an angle relative to the ground or a supporting surface on which the mobile lifting assembly rests.
- the lifting devices 6 and hydraulic rams may be controlled collectively by a single control device with control over individual lifting devices and hydraulic rams.
- each of the two pairs ( 8 and 10 ) of lifting devices 6 is connected to a cradle 12 , in which the structural member may rest.
- the two cradles 12 which are shown as having a U-shape, are each operatively coupled to the hydraulic rams of the corresponding pair ( 8 and 10 ) of lifting devices 6 .
- At least one of the lifting devices 6 may include a load monitoring device, such as a load cell.
- the body frame 2 includes a first pair and a second pair of wheels 4 (only three wheels can be seen in FIG. 1 , with a forth wheel being blocked by the body frame 2 ).
- FIG. 1 For comparison purposes, a typically sized forklift 13 is also shown in FIG. 1 . As shown, this embodiment of the mobile lifting assembly is only about half the height of the forklift. The use of a mobile lifting assembly may therefore allow transportation and manipulation of a structural member in an environment, such as a mine or construction site, with a height restriction that would exclude the use of a forklift.
- FIG. 2 shows the end view of another embodiment of the mobile lifting assembly and shows a pair of wheels 4 .
- This embodiment is similar to the one shown in FIG. 1 , except that the body frame 2 in this embodiment includes a drawbar 16 , and is in the form of a trailer.
- the pair of wheels 4 shown in FIG. 2 is coupled to a turntable 18 .
- the turntable 18 may be rotatable by 360 degrees. The turntable 18 may allow the mobile lifting assembly to turn, whereby the mobile lifting assembly is not restricted to movement in a single direction.
- FIG. 3 shows an end view of another embodiment of the mobile lifting assembly.
- FIG. 3 shows the mobile lifting assembly together with a structural member 24 in one of the cradles 12 , where the cradle and the structural member 24 have been raised, exposing two hydraulic rams 26 .
- the mobile lifting assembly includes an idler roller 20 to assist with, when the structural member 24 is lowered to the level of the idler roller 20 , sliding of the structural member 24 across the mobile lifting assembly.
- the mobile lifting assembly may also include a winch 22 for pulling the structural member across the mobile lifting assembly on the idler roller 20 .
- FIG. 4 shows a partial end view of a mobile lifting assembly, where one of the cradles 12 is positioned at an angle, allowing sliding movement or rolling of the structural member (structural member not entirely shown in FIG. 4 ), as in the roll manoeuvre of airplanes. This may be achieved by individually controlling the extension of the two hydraulic rams 26 connected to the cradle 12 .
- FIG. 4 also shows at least one other mobile lifting assembly.
- the two or more mobile lifting assemblies may be arranged, in such a way as shown, to couple with one another to form a train of mobile lifting assemblies.
- This arrangement of more than one mobile lifting assembly allows for structural members that are substantially longer than the separation distance of the two cradles 12 on a mobile lifting assembly to be supported and repositioned or manipulated (raised, lowered, rolled or tilted).
- the mobile lifting assembly includes a secondary unit or a skid to distribute the point load of the mobile lifting assembly on a supporting surface, such as a concrete floor in a building site or any ground surface in a mine.
- a supporting surface such as a concrete floor in a building site or any ground surface in a mine.
- An example of a skid 28 is shown in FIG. 5 .
- the skid 28 may also include an upper frame 32 that may be lowered or raised with respect to the supporting surface, thereby adjusting the overall height of the skid 28 .
- the mobile lifting assembly generally comprises, as shown in FIG. 6 and FIG. 7 which are the same embodiment of different views, a body frame 2 being adapted to locate on the supporting surface 30 , a lifting device 6 connected to the body frame 2 for raising or lowering a structural member (not shown in FIG. 6 and FIG. 7 ), and a skid 28 resting on the supporting surface 30 underneath the body frame 2 and being arranged to contact the body frame 2 to distribute forces imparted by the structural member on the body frame 2 across the supporting surface 30 .
- the skid 28 as shown in FIG. 6 and FIG. 7 is not in contact with the body frame 2 .
- the skid 28 may include at least one hydraulic ram for adjusting the height of the skid 28 , by adjusting the height of the upper frame 32 relative to the supporting surface, for contacting the body frame 2 .
- the at least one hydraulic ram is one of a plurality of hydraulic rams (such as a ram in each corner) arranged for adjusting the tilt or plane of the upper frame 32 of the skid 28 such that the load exerted by the mobile lifting assembly on the supporting surface 30 is adjustably distributed, preferably evenly distributed.
- the skid 28 may also include another load monitoring device, such as a load cell at each of the hydraulic rams.
- the skid 28 may also include caster wheels 34 for the movement of the skid 28 .
- the body frame 2 and the skid 28 may be required to move to a supporting surface that does not have a particularly high point loading capacity.
- the upper frame 32 of the skid 28 may first be raised to make contact with the body frame 2 , and appropriately tilted to evenly distribute the load among the wheels 4 of the body frame 2 and caster wheels 34 of the skid 28 .
- the load cells of each of the hydraulic rams may assist in measuring and determining a suitable height and tilt or plane of the upper frame 32 to evenly distribute the load.
- the skid 28 together with the body frame 2 may then move to the desired location of the supporting surface, thereby reducing the risk of localised failure of the supporting surface.
- the body frame 2 of the embodiment shown in FIG. 6 and FIG. 7 like some of the previously mentioned embodiments, has supporting members or wheels 4 .
- the body frame 2 may also be in the form of a trailer.
- the mobile lifting assembly may include any number of lifting devices as required.
- Both the first and the second pair of wheels on the body frame may be connected to their respective turntable, providing 360° rotation of both pairs of wheels.
- the cradles may be V-shaped, with multiple furrows or channels, or any shape other than a U-shape.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Handcart (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
According to one aspect of the invention there is provided a mobile lifting assembly comprising a body frame with one or more wheels for transporting a structural member, and four individually controllable lifting devices connected to the body frame for repositioning (such as raising, lowering, tilting or rolling) of the structural member. According to another aspect of the invention there is provided a mobile lifting assembly comprising a body frame being adapted to locate on a supporting surface, a lifting device connected to the body frame for raising or lowering a structural member, and a skid resting on the supporting surface underneath the body frame and being arranged to contact the body frame to distribute forces imparted by the structural member on the body frame across the supporting surface.
Description
- The present invention broadly relates to a mobile lifting assembly for manipulating structural members, such as an I-beam. More particularly, the invention relates to a mobile lifting assembly for lifting and transporting structural members in construction or mining applications.
- Structural members such as I-beams are often required to reinforce structures in a construction site or a mining site. The angle and placement of the structural members are crucial to the reinforcement, which necessitates the accurate positioning of the structural members. Ideally the structural members, when being installed for structural reinforcement, can be manipulated to be placed at various positions and orientations.
- Often, one or more forklifts are used for manipulating structural members. One of the disadvantages of using forklifts is the height restrictions in a construction site or a mining site. For example, when a multi-level car park is to be converted into a shopping complex, every second floor of the car park may need to be knocked down to satisfy the height requirements for a shopping complex. In this situation, structural members may be required for structural reinforcement. The use of forklifts in this situation may not be possible because the forklifts may be too tall to enter a car park level. Other disadvantages of using forklifts also include the need for a number of forklifts and a number of forklift operators. Height restrictions in a mining site may be even more stringent that those for a car park.
- According to one aspect of the invention there is provided a mobile lifting assembly comprising:
-
- a body frame with one or more wheels for transporting a structural member; and
- four individually controllable lifting devices connected to the body frame for repositioning of the structural member.
- Preferably the lifting devices each include a hydraulic ram.
- Preferably the four lifting devices are arranged as two (2) pairs of lifting devices spaced longitudinally along the body frame which is generally rectangular. More preferably the mobile lifting assembly includes two (2) cradles connected to respective of the two (2) pairs of lifting devices. Even more preferably the two (2) cradles are each operatively coupled to the hydraulic rams of the corresponding pair of lifting device for repositioning of the structural member.
- Preferably at least one of the four lifting devices includes a load, monitoring device, such as a load cell.
- Preferably the four individually controllable lifting devices may be controlled by a single control device.
- Preferably the body frame includes a first pair and a second pair of wheels and the body frame is in the form of a trailer. More preferably at least one of the pairs of wheels is coupled to a turntable. Even more preferably the turntable is rotatable by 360 degrees.
- Preferably the mobile lifting assembly includes an idler roller to assist with sliding of the structural member across the mobile lifting assembly. More preferably the mobile lifting assembly includes a winch for pulling the structural member across the mobile lifting assembly on the idler roller.
- Preferably the mobile lifting assembly is arranged to couple with at least one other mobile lifting assembly to form a train of mobile lifting assemblies.
- According to another aspect of the invention there is provided a mobile lifting assembly comprising:
-
- a body frame being adapted to locate on a supporting surface;
- a lifting device connected to the body frame for raising or lowering a structural member; and
- a skid resting on the supporting surface underneath the body frame and being arranged to contact the body frame to distribute forces imparted by the structural member on the body frame across the supporting surface.
- Preferably the skid includes a hydraulic ram for adjusting the height of the skid for contacting the body frame. More preferably said hydraulic ram is one of a plurality of hydraulic rams.
- Preferably the skid includes an upper frame for contacting the body frame. More preferably the plurality of hydraulic rams are arranged for adjusting the tilt of the upper frame such that the load exerted by the mobile lifting assembly on the supporting surface is adjustably distributed.
- Preferably the body frame includes supporting members. More preferably the supporting members are wheels, and the body frame is in the form of a trailer.
- Preferably the skid includes another load monitoring device, such as a load cell.
-
FIG. 1 Perspective view of a first embodiment of the mobile lifting assembly, and a forklift. -
FIG. 2 End view of a second embodiment of the mobile lifting assembly. -
FIG. 3 End view of a third embodiment of the mobile lifting assembly with a winch and a idler roller. -
FIG. 4 Partial end view of the third embodiment of the mobile lifting assembly with a cradle being positioned at an angle. -
FIG. 5 Perspective view of an example of a skid. -
FIG. 6 Perspective view of the first embodiment of the mobile lifting assembly including a skid. - The present invention relates to a mobile lifting assembly for transporting and manipulating structural members, such as an I-beam, in construction or mining applications.
- In one aspect of the invention, as shown in
FIG. 1 , the mobile lifting assembly comprises a primary unit or abody frame 2 with one ormore wheels 4 for transporting a structural member (which is not shown inFIG. 1 ), and at least twolifting devices 6 connected to the body frame 1 for repositioning of the structural member.FIG. 1 shows an embodiment with fourlifting devices 6, arranged as two pairs (8 and 10) oflifting devices 6 spaced longitudinally along thebody frame 2, which, in the embodiment shown inFIG. 1 , is rectangular. - In some embodiments, the
lifting devices 6 may each include a hydraulic ram for raising or lowering the corresponding lifting device. Thelifting devices 6 may be individually controllable such that the structural member can be repositioned, such as raised, lowered, rolled or tilted, at an angle relative to the ground or a supporting surface on which the mobile lifting assembly rests. Thelifting devices 6 and hydraulic rams may be controlled collectively by a single control device with control over individual lifting devices and hydraulic rams. - In the embodiment shown in
FIG. 1 , each of the two pairs (8 and 10) oflifting devices 6 is connected to acradle 12, in which the structural member may rest. The twocradles 12, which are shown as having a U-shape, are each operatively coupled to the hydraulic rams of the corresponding pair (8 and 10) oflifting devices 6. - In some embodiments, at least one of the
lifting devices 6 may include a load monitoring device, such as a load cell. - In the embodiment shown in
FIG. 1 , thebody frame 2 includes a first pair and a second pair of wheels 4 (only three wheels can be seen inFIG. 1 , with a forth wheel being blocked by the body frame 2). - For comparison purposes, a typically sized
forklift 13 is also shown inFIG. 1 . As shown, this embodiment of the mobile lifting assembly is only about half the height of the forklift. The use of a mobile lifting assembly may therefore allow transportation and manipulation of a structural member in an environment, such as a mine or construction site, with a height restriction that would exclude the use of a forklift. -
FIG. 2 shows the end view of another embodiment of the mobile lifting assembly and shows a pair ofwheels 4. This embodiment is similar to the one shown inFIG. 1 , except that thebody frame 2 in this embodiment includes adrawbar 16, and is in the form of a trailer. The pair ofwheels 4 shown inFIG. 2 is coupled to aturntable 18. Theturntable 18 may be rotatable by 360 degrees. Theturntable 18 may allow the mobile lifting assembly to turn, whereby the mobile lifting assembly is not restricted to movement in a single direction. -
FIG. 3 shows an end view of another embodiment of the mobile lifting assembly.FIG. 3 shows the mobile lifting assembly together with astructural member 24 in one of thecradles 12, where the cradle and thestructural member 24 have been raised, exposing twohydraulic rams 26. In this embodiment, the mobile lifting assembly includes anidler roller 20 to assist with, when thestructural member 24 is lowered to the level of theidler roller 20, sliding of thestructural member 24 across the mobile lifting assembly. The mobile lifting assembly may also include awinch 22 for pulling the structural member across the mobile lifting assembly on theidler roller 20. -
FIG. 4 shows a partial end view of a mobile lifting assembly, where one of thecradles 12 is positioned at an angle, allowing sliding movement or rolling of the structural member (structural member not entirely shown inFIG. 4 ), as in the roll manoeuvre of airplanes. This may be achieved by individually controlling the extension of the twohydraulic rams 26 connected to thecradle 12. -
FIG. 4 also shows at least one other mobile lifting assembly. The two or more mobile lifting assemblies may be arranged, in such a way as shown, to couple with one another to form a train of mobile lifting assemblies. This arrangement of more than one mobile lifting assembly allows for structural members that are substantially longer than the separation distance of the twocradles 12 on a mobile lifting assembly to be supported and repositioned or manipulated (raised, lowered, rolled or tilted). - In another aspect of the present invention, the mobile lifting assembly includes a secondary unit or a skid to distribute the point load of the mobile lifting assembly on a supporting surface, such as a concrete floor in a building site or any ground surface in a mine. An example of a
skid 28 is shown inFIG. 5 . Theskid 28 may also include anupper frame 32 that may be lowered or raised with respect to the supporting surface, thereby adjusting the overall height of theskid 28. - In this aspect of the invention, the mobile lifting assembly generally comprises, as shown in
FIG. 6 andFIG. 7 which are the same embodiment of different views, abody frame 2 being adapted to locate on the supportingsurface 30, alifting device 6 connected to thebody frame 2 for raising or lowering a structural member (not shown inFIG. 6 andFIG. 7 ), and askid 28 resting on the supportingsurface 30 underneath thebody frame 2 and being arranged to contact thebody frame 2 to distribute forces imparted by the structural member on thebody frame 2 across the supportingsurface 30. Theskid 28 as shown inFIG. 6 andFIG. 7 is not in contact with thebody frame 2. - The
skid 28 may include at least one hydraulic ram for adjusting the height of theskid 28, by adjusting the height of theupper frame 32 relative to the supporting surface, for contacting thebody frame 2. In general, the at least one hydraulic ram is one of a plurality of hydraulic rams (such as a ram in each corner) arranged for adjusting the tilt or plane of theupper frame 32 of theskid 28 such that the load exerted by the mobile lifting assembly on the supportingsurface 30 is adjustably distributed, preferably evenly distributed. Theskid 28 may also include another load monitoring device, such as a load cell at each of the hydraulic rams. - The
skid 28, as shown inFIG. 5 , may also includecaster wheels 34 for the movement of theskid 28. In practice, thebody frame 2 and theskid 28 may be required to move to a supporting surface that does not have a particularly high point loading capacity. In this situation, theupper frame 32 of theskid 28 may first be raised to make contact with thebody frame 2, and appropriately tilted to evenly distribute the load among thewheels 4 of thebody frame 2 andcaster wheels 34 of theskid 28. The load cells of each of the hydraulic rams may assist in measuring and determining a suitable height and tilt or plane of theupper frame 32 to evenly distribute the load. Theskid 28 together with thebody frame 2 may then move to the desired location of the supporting surface, thereby reducing the risk of localised failure of the supporting surface. - The
body frame 2 of the embodiment shown inFIG. 6 andFIG. 7 , like some of the previously mentioned embodiments, has supporting members orwheels 4. Thebody frame 2 may also be in the form of a trailer. - All features mentioned in the aspect without a skid may also apply to the aspect that includes a skid.
- Now that several preferred embodiments of the present invention have been described it will be apparent to those skilled in the art that the mobile lifting assembly has the following advantages:
-
- The mobile lifting assembly with the underlying skid or secondary unit can be positioned on a relatively weak supporting surface or floor by distribution the load between the primary and the secondary units without compromising the integrity of the floor.
- Structural members may be manipulated in various ways, including being raised, lowered, slid, rolled and tilted, for the accurate placement of the structural members, which is often required for structural reinforcement.
- The mobile lifting assembly may be custom built with a variety of heights, after considering height restrictions for a specific application.
- If the lifting devices are all controlled by a single control device with control over individual lifting devices, the mobile lifting assembly may be operated with one person or only limited number of personnel.
- Those skilled in the art will appreciate that the invention described herein is susceptible to variations and modifications other than those specifically described. For example, the mobile lifting assembly may include any number of lifting devices as required. Both the first and the second pair of wheels on the body frame may be connected to their respective turntable, providing 360° rotation of both pairs of wheels. The cradles may be V-shaped, with multiple furrows or channels, or any shape other than a U-shape.
- All such variations and modifications are to be considered within the ambit of the present invention the nature of which is to be determined from the foregoing description.
Claims (23)
1-22. (canceled)
23. A mobile lifting assembly comprising: a body frame with one or more wheels for transporting a structural member; and four individually controllable lifting devices connected to the body frame for repositioning of the structural member.
24. A mobile lifting assembly as claimed in claim 23 , wherein the lifting devices each comprises a hydraulic ram.
25. A mobile lifting assembly as claimed in claim 23 , wherein the four lifting devices are arranged as two pairs of lifting devices spaced longitudinally along the body frame which is generally rectangular.
26. A mobile lifting assembly as claimed in claim 25 , further comprising two cradles connected to respective of the two pairs of lifting devices.
27. A mobile lifting assembly as claimed in claim 26 , wherein the two cradles are each operatively coupled to the hydraulic rams of the corresponding pair of lifting devices for raising, lowering, tilting or rolling of the structural member.
28. A mobile lifting assembly as claimed in claim 23 , wherein at least one of the four lifting devices comprises a load monitoring device.
29. A mobile lifting assembly as claimed claim 28 , wherein the load monitoring device is a load cell.
30. A mobile lifting assembly as claimed in claim 23 , wherein the four individually controllable lifting devices may be controlled by a single control device.
31. A mobile lifting assembly as claimed in claim 23 , wherein the body frame comprises a first pair and a second pair of wheels and the body frame is in the form of a trailer.
32. A mobile lifting assembly as claimed in claim 31 , wherein at least one of the pairs of wheels is coupled to a turntable.
33. A mobile lifting assembly as claimed in claim 32 , wherein the turntable is rotatable by 360 degrees.
34. A mobile lifting assembly as claimed in claim 23 , further comprising an idler roller to assist with sliding of the structural member across the mobile lifting assembly.
35. A mobile lifting assembly as claimed in claim 34 , wherein the mobile lifting assembly comprises a winch for pulling the structural member across the mobile lifting assembly on the idler roller.
36. A mobile lifting assembly comprising: a body frame being adapted to locate on a supporting surface; a lifting device connected to the body frame for raising or lowering a structural member; and a skid resting on the supporting surface underneath the body frame and being arranged to contact the body frame to distribute forces imparted by the structural member on the body frame across the supporting surface.
37. A mobile lifting assembly as claimed in claim 36 , wherein the skid comprises a hydraulic ram for adjusting the height of the skid for contacting the body frame.
38. A mobile lifting assembly as claimed in claim 37 , wherein the skid comprises an upper frame for contacting the body frame.
39. A mobile lifting assembly as claimed in claim 38 , wherein the hydraulic ram is one of a plurality of hydraulic rams.
40. A mobile lifting assembly as claimed in claim 39 , wherein the plurality of hydraulic rams is arranged for adjusting the tilt of the upper frame such that the load exerted by the mobile lifting assembly on the supporting surface is adjustably distributed.
41. A mobile lifting assembly as claimed in claim 36 , wherein the body frame comprises supporting members.
42. A mobile lifting assembly as claimed in claim 41 , wherein the supporting members are wheels, and the body frame is in the form of a trailer.
43. A mobile lifting assembly as claimed in claim 36 , wherein the skid comprises a load monitoring device.
44. A mobile lifting assembly as claimed in claim 43 , wherein the load monitoring device is a load cell.
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AU2008901428 | 2008-03-25 | ||
AU2008901428A AU2008901428A0 (en) | 2008-03-25 | Mobile lifting assembly | |
PCT/AU2009/000068 WO2009117760A1 (en) | 2008-03-25 | 2009-01-22 | Mobile lifting assembly |
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PCT/AU2009/000068 A-371-Of-International WO2009117760A1 (en) | 2008-03-25 | 2009-01-22 | Mobile lifting assembly |
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US13/757,551 Division US9273478B2 (en) | 2008-03-25 | 2013-02-01 | Mobile lifting assembly |
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US20110002756A1 true US20110002756A1 (en) | 2011-01-06 |
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US13/757,551 Active 2029-09-26 US9273478B2 (en) | 2008-03-25 | 2013-02-01 | Mobile lifting assembly |
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US13/757,551 Active 2029-09-26 US9273478B2 (en) | 2008-03-25 | 2013-02-01 | Mobile lifting assembly |
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Country | Link |
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US (2) | US20110002756A1 (en) |
EP (1) | EP2231500B1 (en) |
JP (1) | JP5762946B2 (en) |
CN (1) | CN101903281B (en) |
AU (1) | AU2009227971B2 (en) |
CA (1) | CA2708402C (en) |
DK (1) | DK2231500T3 (en) |
ES (1) | ES2428718T3 (en) |
HK (1) | HK1148996A1 (en) |
HR (1) | HRP20130894T1 (en) |
NZ (1) | NZ585955A (en) |
PL (1) | PL2231500T3 (en) |
PT (1) | PT2231500E (en) |
SI (1) | SI2231500T1 (en) |
WO (1) | WO2009117760A1 (en) |
ZA (1) | ZA201004083B (en) |
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US20100180609A1 (en) * | 2006-09-07 | 2010-07-22 | Carrier Corporation | Compressor Service Tool |
WO2014092304A1 (en) * | 2012-12-12 | 2014-06-19 | Samsung Techwin Co., Ltd | Driving apparatus |
KR101933855B1 (en) | 2018-08-28 | 2018-12-31 | 김태일 | Loading apparatus for recycling garbage truck |
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- 2009-01-22 WO PCT/AU2009/000068 patent/WO2009117760A1/en active Application Filing
- 2009-01-22 PT PT97256762T patent/PT2231500E/en unknown
- 2009-01-22 AU AU2009227971A patent/AU2009227971B2/en active Active
- 2009-01-22 CN CN200980101410.2A patent/CN101903281B/en active Active
- 2009-01-22 SI SI200930721T patent/SI2231500T1/en unknown
- 2009-01-22 ES ES09725676T patent/ES2428718T3/en active Active
- 2009-01-22 DK DK09725676.2T patent/DK2231500T3/en active
- 2009-01-22 NZ NZ585955A patent/NZ585955A/en unknown
- 2009-01-22 US US12/747,493 patent/US20110002756A1/en not_active Abandoned
- 2009-01-22 JP JP2011501060A patent/JP5762946B2/en active Active
- 2009-01-22 PL PL09725676T patent/PL2231500T3/en unknown
- 2009-01-22 CA CA2708402A patent/CA2708402C/en not_active Expired - Fee Related
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2010
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2013
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KR101933855B1 (en) | 2018-08-28 | 2018-12-31 | 김태일 | Loading apparatus for recycling garbage truck |
CN114013487A (en) * | 2021-12-02 | 2022-02-08 | 徐州欧杰达建筑装饰材料有限公司 | Conveyer that cement decoration accessory was used |
Also Published As
Publication number | Publication date |
---|---|
EP2231500A1 (en) | 2010-09-29 |
CA2708402A1 (en) | 2009-10-01 |
AU2009227971B2 (en) | 2015-10-29 |
DK2231500T3 (en) | 2013-10-07 |
PT2231500E (en) | 2013-09-30 |
CA2708402C (en) | 2017-02-28 |
PL2231500T3 (en) | 2013-12-31 |
ES2428718T3 (en) | 2013-11-11 |
SI2231500T1 (en) | 2013-11-29 |
NZ585955A (en) | 2012-12-21 |
US9273478B2 (en) | 2016-03-01 |
HK1148996A1 (en) | 2011-09-23 |
HRP20130894T1 (en) | 2013-11-22 |
US20130149074A1 (en) | 2013-06-13 |
CN101903281B (en) | 2015-07-22 |
JP2011517648A (en) | 2011-06-16 |
AU2009227971A1 (en) | 2009-10-01 |
EP2231500B1 (en) | 2013-06-26 |
EP2231500A4 (en) | 2012-04-25 |
WO2009117760A1 (en) | 2009-10-01 |
CN101903281A (en) | 2010-12-01 |
JP5762946B2 (en) | 2015-08-12 |
ZA201004083B (en) | 2011-08-31 |
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