EP3587338A1 - Lifting unit - Google Patents
Lifting unit Download PDFInfo
- Publication number
- EP3587338A1 EP3587338A1 EP19000262.6A EP19000262A EP3587338A1 EP 3587338 A1 EP3587338 A1 EP 3587338A1 EP 19000262 A EP19000262 A EP 19000262A EP 3587338 A1 EP3587338 A1 EP 3587338A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lifting
- fastening
- lifted
- lifted object
- lifting unit
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
- E04G23/065—Lifting of buildings
Definitions
- the invention concerns safe lifting and transfer of heavy objects.
- the purpose of the presented solution is to facilitate the safe transfer and shifting of such heavy objects and to protect the structure or interior decor of the objects against damages in the course of lifting and transfer (such as prefabricated buildings, where the interior decor can suffer damages during lifting and transfer).
- a lifting system ( US2009026430 A1 , Simplified Lifting Systems LLC, published 29.01.2009), which is intended for lifting and transferring structures, buildings, machines and other massive and large objects, while beams are also used in lifting the object.
- the lifting system comprises one or more lifting devices, which are adjustably connected via a support plate installed under the object.
- a lifting device includes force elements, a support element and lifting elements that lift the object to a specific height.
- a drawback of this solution is the low lifting height of the lifting device, due to which lifting must be repeated in order to achieve the required lifting height, using additional base plate for the purpose. This, however, makes the whole lifting process time-consuming.
- the lifted object is not fixed to the lifting device, wherefore the safety of lifting the object is not guaranteed.
- the solution also includes no possibility to transfer the lifted object.
- a device closest to the invention by its technical nature is a lifting device ( US8573564 B2, Rashall R. J , published 07.07.2011), which allows lifting and transferring heavy items.
- the lifting device comprises a square base for the lifting device, installed on the ground, with lateral supports at a right angle pointed away from the lifted item and either bolted or welded to the base.
- the lifting device comprises a lifting cylinder with a piston head, and an upper and lower end of the piston head. The piston head moves up and down inside the cylinder through a cylinder opening. The lower end of the piston head is attached to the lifting device base.
- the lifting device comprises a lifting assembly, which has an upper square support plate installed in respective slits of the first and second support post, and the support posts are bolted or welded at the bottom to vertically extendable posts, a lifting plate is attached to the lateral frames.
- the lifting assembly is attached to the piston assembly, the upper end of the piston head is installed into an opening in the piston cover.
- the piston assembly and the lifting assembly are located in a housing with slits.
- a drawback of this solution is that the lifting plate lifts the object by 10 to 27 cm at a time, limiting the possibility of transfer.
- the lifted item is also not attached to the lifting device, causing the item to swing during the lifting and transfer and thereby potentially damaging the structures and interior decor of the lifted object (such as a prefabricated building).
- the existence of lateral supports and a square support plate also do not prevent lateral twisting (in parallel with the lifted object) of any of the lifting devices or falling of these under heavy weight.
- the presented lifting unit comprises a telescopic fastening column, a lower supporting slab, an upper fastening plate, a hydraulic lifting cylinder with a piston, supporting posts to support the lifting cylinders.
- the lifting cylinders function as a three-point system.
- Optional fastening, tensioning and adjustment devices are used for further safety in lifting and transferring the lifted object.
- Lifting unit 1 comprises a telescopic fastening column 2 with adjustable height, consisting of two parallel columns, between which the lifting cylinder 4 with a piston has been placed.
- a supporting slab 3 is attached to the lower end of the telescopic fastening column 2, and a rectangular fastening plate 6 to the upper end. In comparison to the fastening plate 6, the supporting slab 3 is substantially longer.
- the object to be lifted is fixed to the lifting unit 1 between supporting slabs 3 and fastening plates 6, while the vertical grasp of supporting slabs 3 and fastening plates 6 can be adjusted with telescopic fastening columns 2, proceeding from the height of the object to be lifted.
- Supporting slabs 3, fastening plates 6 and telescopic fastening columns 2 also ensure the stability of the lifted object.
- Supporting slab 3 is substantially longer in comparison to its width, and the longer side of the rectangular fastening plate 6 runs along the longer side of the lifted object.
- Such design of the supporting slab 3 and fastening plate 6 ensure better horizontal support of the lifted object and no horizontal tilting during the lift.
- Telescopic fastening columns 2 make sure that the lifted object (e.g. wall of a prefabricated building) will not deflect in height during lifting.
- Fastening bars 7 and fastening chains 8 are such supplementary fasteners.
- Fastening bar 7 connects on the surface two lifting units 1, which are on the opposite sides of the lifted object, through fastening plates 6. Fastening bars 7 are adjustably attached to fastening plates 6, which means that the height of the bars can be adjusted with an adjusting device 9 according to the width of the object to be lifted.
- Fastening chain 8 which is led underneath the object to be lifted, joins two lifting units 1 that are on the opposite sides of the object to be lifted.
- the rigidity of lifting chains 8 can be adjusted with a tensioner 10, which is preferably a ratchet type load binder, one end of which is fastened to the telescopic fastening column 2.
- a tensioner 10 which is preferably a ratchet type load binder, one end of which is fastened to the telescopic fastening column 2.
- two fasteners 1 are mutually connected, using two fastening chains 8.
- Fastening bars 7 and fastening chains 8 make sure that the supporting slab 3 and fastening plate 6 are securely fixed to the object to be lifted, ensuring thereby further stability of the object to be lifted. This is especially important, for example, in case of prefabricated buildings, when any instability in lifting and transfer can damage the structures and/or interior decor of the building. In such way, the lifted object is surrounded by grippers.
- the parallel columns of the telescopic fastening column 2 and the supporting slab 3 are mutually connected with supporting posts 5 which are at an acute angle and are placed in parallel with the object to be lifted, providing the lifting cylinder 4 with further rigidity and securing it against lateral deflection.
- the lifting cylinder 4 is hydraulic and manually operable.
- four lifting cylinders 4 are used for lifting the object, whereby two lifting cylinders are positioned at the immediate vicinity of the ends of the longer side of the lifted object, and two lifting cylinders at approximately one third in the length of the longer side of the lifted object, away from the opposite ends.
- the lifting cylinders close to the ends of the object operate independently (lift with equal force), while the lifting cylinders away from the opposite ends operate as a pair, where the cylinder with the least load lifts, while the other compensates the lifting force of the lifting cylinder when necessary.
- the lifting cylinders function as a three-point lifting system.
- the lifted object fixed to the fastening units 1 is lifted by means of lifting cylinders 4 vertically up to the required height, so that a means of transport could be manoeuvred underneath it to transport the object lowered to it to another location. In the new location the object is once again lowered to a required place, using fastening units 1 together with lifting cylinders 4.
- the invention is convenient for safe lifting and transfer of primarily square objects (such as prefabricated buildings or shipping containers). At the same time it can be successfully used with prefabricated buildings with a gable roof or other types of roofs.
Abstract
Description
- The invention concerns safe lifting and transfer of heavy objects.
- Transferring and transporting especially heavy objects with the weight of multiple or tens of tons is complicated and laborious. The purpose of the presented solution is to facilitate the safe transfer and shifting of such heavy objects and to protect the structure or interior decor of the objects against damages in the course of lifting and transfer (such as prefabricated buildings, where the interior decor can suffer damages during lifting and transfer).
- Known is a lifting system (
US2009026430 A1 , Simplified Lifting Systems LLC, published 29.01.2009), which is intended for lifting and transferring structures, buildings, machines and other massive and large objects, while beams are also used in lifting the object. The lifting system comprises one or more lifting devices, which are adjustably connected via a support plate installed under the object. A lifting device includes force elements, a support element and lifting elements that lift the object to a specific height. A drawback of this solution is the low lifting height of the lifting device, due to which lifting must be repeated in order to achieve the required lifting height, using additional base plate for the purpose. This, however, makes the whole lifting process time-consuming. Moreover, the lifted object is not fixed to the lifting device, wherefore the safety of lifting the object is not guaranteed. The solution also includes no possibility to transfer the lifted object. - A device closest to the invention by its technical nature is a lifting device (
US8573564 B2, Rashall R. J , published 07.07.2011), which allows lifting and transferring heavy items. The lifting device comprises a square base for the lifting device, installed on the ground, with lateral supports at a right angle pointed away from the lifted item and either bolted or welded to the base. The lifting device comprises a lifting cylinder with a piston head, and an upper and lower end of the piston head. The piston head moves up and down inside the cylinder through a cylinder opening. The lower end of the piston head is attached to the lifting device base. The lifting device comprises a lifting assembly, which has an upper square support plate installed in respective slits of the first and second support post, and the support posts are bolted or welded at the bottom to vertically extendable posts, a lifting plate is attached to the lateral frames. The lifting assembly is attached to the piston assembly, the upper end of the piston head is installed into an opening in the piston cover. The piston assembly and the lifting assembly are located in a housing with slits. A drawback of this solution is that the lifting plate lifts the object by 10 to 27 cm at a time, limiting the possibility of transfer. The lifted item is also not attached to the lifting device, causing the item to swing during the lifting and transfer and thereby potentially damaging the structures and interior decor of the lifted object (such as a prefabricated building). The existence of lateral supports and a square support plate also do not prevent lateral twisting (in parallel with the lifted object) of any of the lifting devices or falling of these under heavy weight. - This invention allows safe lifting and transferring of extremely heavy objects (such as prefabricated buildings, shipping containers, etc.). The presented lifting unit comprises a telescopic fastening column, a lower supporting slab, an upper fastening plate, a hydraulic lifting cylinder with a piston, supporting posts to support the lifting cylinders. There are four lifting units, while the lifting cylinders function as a three-point system. Optional fastening, tensioning and adjustment devices are used for further safety in lifting and transferring the lifted object.
-
-
Figure 1 shows the lifting unit; -
Figure 2 shows lifting of an object by means of the lifting unit, whereby the object is mounted to the lifting unit between telescopic fastening columns wherein the supporting slab and fastening plate are the boundaries; -
Figure 3 shows lifting of an object by means of the lifting unit, wherein additional fastening bars are used; -
Figure 4 shows lifting of an object by means of the lifting unit, wherein additional fastening chains are used; -
Figure 5 shows the tensioner of the lifting chains. - Lifting
unit 1 comprises atelescopic fastening column 2 with adjustable height, consisting of two parallel columns, between which thelifting cylinder 4 with a piston has been placed. A supportingslab 3 is attached to the lower end of thetelescopic fastening column 2, and arectangular fastening plate 6 to the upper end. In comparison to thefastening plate 6, the supportingslab 3 is substantially longer. The object to be lifted is fixed to thelifting unit 1 between supportingslabs 3 andfastening plates 6, while the vertical grasp of supportingslabs 3 andfastening plates 6 can be adjusted withtelescopic fastening columns 2, proceeding from the height of the object to be lifted. - Supporting
slabs 3,fastening plates 6 andtelescopic fastening columns 2 also ensure the stability of the lifted object. Supportingslab 3 is substantially longer in comparison to its width, and the longer side of therectangular fastening plate 6 runs along the longer side of the lifted object. Such design of the supportingslab 3 andfastening plate 6 ensure better horizontal support of the lifted object and no horizontal tilting during the lift.Telescopic fastening columns 2 make sure that the lifted object (e.g. wall of a prefabricated building) will not deflect in height during lifting. - Supporting
slabs 3 andfastening plates 6 fix the lifted object totelescopic fastening columns 2. In such way the lifted object is surrounded by grippers on its sides. - At the lower and upper ends of the
telescopic fastening column 2 are optional fasteners to fasten the object more securely to the lifting unit. Fastening bars 7 andfastening chains 8 are such supplementary fasteners. -
Fastening bar 7 connects on the surface two liftingunits 1, which are on the opposite sides of the lifted object, throughfastening plates 6. Fastening bars 7 are adjustably attached tofastening plates 6, which means that the height of the bars can be adjusted with anadjusting device 9 according to the width of the object to be lifted. -
Fastening chain 8, which is led underneath the object to be lifted, joins two liftingunits 1 that are on the opposite sides of the object to be lifted. The rigidity of liftingchains 8 can be adjusted with atensioner 10, which is preferably a ratchet type load binder, one end of which is fastened to thetelescopic fastening column 2. Preferably, twofasteners 1 are mutually connected, using twofastening chains 8. - Fastening bars 7 and
fastening chains 8 make sure that the supportingslab 3 andfastening plate 6 are securely fixed to the object to be lifted, ensuring thereby further stability of the object to be lifted. This is especially important, for example, in case of prefabricated buildings, when any instability in lifting and transfer can damage the structures and/or interior decor of the building. In such way, the lifted object is surrounded by grippers. - The parallel columns of the
telescopic fastening column 2 and the supportingslab 3 are mutually connected with supportingposts 5 which are at an acute angle and are placed in parallel with the object to be lifted, providing thelifting cylinder 4 with further rigidity and securing it against lateral deflection. - The
lifting cylinder 4 is hydraulic and manually operable. In the invention, four liftingcylinders 4 are used for lifting the object, whereby two lifting cylinders are positioned at the immediate vicinity of the ends of the longer side of the lifted object, and two lifting cylinders at approximately one third in the length of the longer side of the lifted object, away from the opposite ends. The lifting cylinders close to the ends of the object operate independently (lift with equal force), while the lifting cylinders away from the opposite ends operate as a pair, where the cylinder with the least load lifts, while the other compensates the lifting force of the lifting cylinder when necessary. As such, the lifting cylinders function as a three-point lifting system. - The lifted object fixed to the
fastening units 1 is lifted by means of liftingcylinders 4 vertically up to the required height, so that a means of transport could be manoeuvred underneath it to transport the object lowered to it to another location. In the new location the object is once again lowered to a required place, usingfastening units 1 together with liftingcylinders 4. - The invention is convenient for safe lifting and transfer of primarily square objects (such as prefabricated buildings or shipping containers). At the same time it can be successfully used with prefabricated buildings with a gable roof or other types of roofs.
Claims (9)
- A lifting unit, which includes fastening columns and their lateral supports and a lifting cylinder with a piston, characterized in that the lifting unit (1) comprises a telescopic fastening column (2) formed by two parallel columns, a hydraulic lifting cylinder (4) with a piston, positioned between the columns, a supporting slab (3) attached to the lower end of the telescopic fastening column (2) and a rectangular fastening plate (6) fixed to the upper end, supporting posts (5), which are at an acute angle to the lifted object positioned between the parallel columns and a supporting slab (3), and optional fastening, tensioning and adjustment means, while lifting and lowering of the object is executed as a three-point lifting system of lifting cylinders (4).
- A lifting unit according to claim 1, characterized in that the supporting slab (3) is longer in comparison to the fastening plate (6) and the supporting slab (3) is longer in comparison to its width and the longer side of the rectangular fastening plate (6) is placed along the longer side of the object to be lifted.
- A lifting unit according to claims 1 and 2, characterized in that the lifted object is fastened to the lifting unit (1) between the supporting slab (3) and fastening plate (6) in all its height on all sides, while the vertical grasp of the supporting slab (3) and the fastening plate (6) is adjusted with the telescopic fastening column (2), proceeding from the height of the lifted object.
- A lifting unit according to claims 1 to 3, characterized in that the fastening means is a fastening bar (7), which is connected on the surface of the lifted object to the fastening plates (6) of lifting units (1) on opposite sides, and also comprises an adjustment device (9) which is used for adjusting the length of the fastening bar (7) on the basis of the width of the lifted object.
- A lifting unit according to claims 1 to 3, characterized in that the fastening means is a fastening chain (8), which is led under the lifted object and connected to lifting units (1) on opposite sides by means of a tensioner (10), which is fixed to the telescopic fastening column (2) on one end and tensions the fastening chains (8), depending on the width of the lifted object.
- A lifting unit according to claim 5, characterized in that the fastening means (10) is a rachet type load binder.
- A lifting unit according to claims 1 to 6, characterized in that there are four lifting units (1) with lifting cylinders (4), two fastening bars (7) and four fastening chains (8).
- A lifting unit according to claims 1 to 7, characterized in that two lifting units (1) with lifting cylinders (4) are placed in immediate vicinity to the ends of the longer side of the lifted object and two lifting units (1) together with lifting cylinders (4) are placed away from the opposite ends, at approximately one third of the length of the longer side of the lifted object.
- A lifting unit according to claims 1 to 8, characterized in that the three-point lifting system of the lifting cylinders (4) is executed so that the lifting cylinders (4) close to the ends of the lifted object are executed to operate independently with equal force, while the lifting cylinders (4) away from the opposite ends of the lifted object are executed to function as a pair, so that the lifting cylinder (4) with the least load lifts and lowers and the cylinder, which operates as its counterpart, compensates the lifting power of the operating lifting cylinder (4) as needed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EEP201800007A EE05827B1 (en) | 2018-05-29 | 2018-05-29 | Lifting device set and its use |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3587338A1 true EP3587338A1 (en) | 2020-01-01 |
EP3587338B1 EP3587338B1 (en) | 2021-06-30 |
Family
ID=69146919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19000262.6A Active EP3587338B1 (en) | 2018-05-29 | 2019-05-28 | Lifting unit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3587338B1 (en) |
EE (1) | EE05827B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112062043A (en) * | 2020-08-27 | 2020-12-11 | 山东理工职业学院 | A upset vehicle device for rescuing vehicle of turning on one's side |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0077369A1 (en) * | 1981-04-29 | 1983-04-27 | T.M.G. Ltd. | Transport device |
US7100896B1 (en) * | 2004-07-12 | 2006-09-05 | North American Partners | Shipping container handling system |
US20090026430A1 (en) | 2007-07-27 | 2009-01-29 | Simplified Lifting Systems, Llc | Lifting and cribbing systems |
US8573564B2 (en) | 2010-01-06 | 2013-11-05 | Richard J. Rashall | Lifting system and method for lifting bulk sized, high weight objects |
US20170327357A1 (en) * | 2013-07-08 | 2017-11-16 | Bainter Construction Services, Llc | Jack with Two Masts |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3403857A1 (en) * | 1984-02-03 | 1985-08-08 | Georg 7012 Fellbach Kramp | HYDRAULIC LIFTING DEVICE |
CA2206010C (en) * | 1997-05-23 | 2004-09-07 | La Compagnie Miniere Quebec Cartier | Heavy vehicle lifting device and method |
US6361023B1 (en) * | 1998-03-10 | 2002-03-26 | Derrick C. Peavler | Trailer jacking device |
CN2837384Y (en) * | 2005-10-31 | 2006-11-15 | 上海五冶冶金建设有限公司机械化施工分公司 | Hydraulic lifting device |
CN202766206U (en) * | 2012-09-28 | 2013-03-06 | 山东省建设高压容器有限公司 | Hydraulic lifting device of inner steel cylinder of chimney |
US9758359B2 (en) * | 2015-03-25 | 2017-09-12 | K-Line Industries, Inc. | Jack system |
CN105133856B (en) * | 2015-08-14 | 2017-10-13 | 山东建筑大学 | A kind of method that integral shift is carried out to building using assembled trailer |
-
2018
- 2018-05-29 EE EEP201800007A patent/EE05827B1/en not_active IP Right Cessation
-
2019
- 2019-05-28 EP EP19000262.6A patent/EP3587338B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0077369A1 (en) * | 1981-04-29 | 1983-04-27 | T.M.G. Ltd. | Transport device |
US7100896B1 (en) * | 2004-07-12 | 2006-09-05 | North American Partners | Shipping container handling system |
US20090026430A1 (en) | 2007-07-27 | 2009-01-29 | Simplified Lifting Systems, Llc | Lifting and cribbing systems |
US8573564B2 (en) | 2010-01-06 | 2013-11-05 | Richard J. Rashall | Lifting system and method for lifting bulk sized, high weight objects |
US20170327357A1 (en) * | 2013-07-08 | 2017-11-16 | Bainter Construction Services, Llc | Jack with Two Masts |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112062043A (en) * | 2020-08-27 | 2020-12-11 | 山东理工职业学院 | A upset vehicle device for rescuing vehicle of turning on one's side |
Also Published As
Publication number | Publication date |
---|---|
EE05827B1 (en) | 2020-10-15 |
EP3587338B1 (en) | 2021-06-30 |
EE201800007A (en) | 2020-01-15 |
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