CN112960533B - T-beam lifting appliance and lifting method - Google Patents
T-beam lifting appliance and lifting method Download PDFInfo
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- CN112960533B CN112960533B CN202110290481.4A CN202110290481A CN112960533B CN 112960533 B CN112960533 B CN 112960533B CN 202110290481 A CN202110290481 A CN 202110290481A CN 112960533 B CN112960533 B CN 112960533B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 230000001012 protector Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011324 bead Substances 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 4
- 208000035874 Excoriation Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a T-beam lifting appliance and a lifting method, comprising a bearing assembly, a steel wire rope and a protection assembly; the bearing assembly comprises a bearing frame which is inserted into a lifting hole on the pedestal, a bearing plate which is attached to the bottom surface of the T beam is fixedly arranged at the top of the bearing frame, and connecting devices are detachably arranged at two ends of the bearing frame and used for connecting steel wire ropes; the two steel wire ropes are symmetrically arranged on two sides of the T beam in the width direction, the lower ends of the steel wire ropes are connected with one end of the bearing frame through the connecting device, and the upper ends of the steel wire ropes bypass the outer side of the flange plate of the T beam and are connected with hoisting equipment; the protective component is arranged on the steel wire rope in a detachable mode and is used for being attached to the outer side of the flange plate of the T beam. The invention can avoid the problem that the steel wire rope is easy to damage due to frequent friction between the steel wire rope and the bottom of the T-beam and between the steel wire rope and the flange plate of the T-beam, and simultaneously can ensure that the edge concrete of the beam body is not crushed and damaged due to the pressure action of the steel wire rope, thereby ensuring the quality of the T-beam in the lifting process.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a T-beam lifting appliance and a lifting method.
Background
At present, a traditional steel wire rope bottom hanging mode is generally adopted for the prefabricated T beam, a steel wire rope directly penetrates through the lower surface of the bottom plate of the T beam 1, and two ends of the steel wire rope are respectively connected with a lifting beam carrying pole. In the traditional steel wire rope bottom-hanging T-beam mode, the steel wire rope bends at the bottom plate of the T-beam and at the flange plate, and after long-term use, extrusion deformation occurs at the bending part, so that the phenomenon of abrasion or wire breakage of the steel wire rope can occur slowly, and a large potential safety hazard exists.
In addition, in the hoisting process of the T-shaped beam, the U-shaped steel wire rope generates huge extrusion force on the contact part of the beam body and the steel wire rope under the heavy load of the beam body, so that the beam body concrete of the contact part is crushed, the quality of the T-shaped beam is seriously influenced, and the later production is delayed.
Disclosure of Invention
In view of the above, the invention provides a T-beam lifting appliance and a lifting method, which can avoid damage to a beam body caused by extrusion force of a steel wire rope in the lifting process of the T-beam, ensure the integrity of the T-beam in the lifting process to a great extent and reduce the risk of abrasion and wire breakage of the steel wire rope.
The technical scheme of the invention is realized as follows:
in one aspect, the invention provides a T-beam lifting appliance, which comprises a bearing assembly, a steel wire rope and a protection assembly; wherein,,
the bearing assembly comprises a bearing frame which is inserted into a lifting hole on the pedestal, a bearing plate which is attached to the bottom surface of the T beam is fixedly arranged at the top of the bearing frame, and connecting devices are detachably arranged at two ends of the bearing frame and used for connecting steel wire ropes;
the two steel wire ropes are symmetrically arranged on two sides of the T beam in the width direction, the lower ends of the steel wire ropes are connected with one end of the bearing frame through the connecting device, and the upper ends of the steel wire ropes bypass the outer side of the flange plate of the T beam and are connected with hoisting equipment;
the protective component is arranged on the steel wire rope in a detachable mode and is used for being attached to the outer side of the flange plate of the T beam.
On the basis of the technical scheme, preferably, the bearing frame comprises two supporting plates which are vertically arranged at intervals, the length of each supporting plate is larger than the width of the bottom surface of the T beam, the bearing plate is fixedly arranged between the two supporting plates, and a plurality of reinforcing plates are connected between the two supporting plates at intervals.
Further, preferably, the end parts of the two support plates are provided with mounting holes corresponding to the positions, the connecting device comprises a bolt and a release-stopping piece, the bolt is used for sequentially penetrating through the mounting holes and being connected with the release-stopping piece, and the lower end of the steel wire rope is sleeved on the bolt between the two support plates through a hanging ring.
Still further, preferably, the bearing assembly further comprises two groups of rollover prevention devices, the two groups of rollover prevention devices are symmetrically arranged on the bearing frame where the two sides of the T beam are located, the rollover prevention devices comprise a sliding plate and locking bolts, the sliding plate is in an L-shaped arrangement, the sliding plate is provided with a vertical section and a horizontal section, the horizontal section is placed on the bearing plate, the vertical section is used for propping against the vertical side wall of the T beam, a strip-shaped hole is formed in the bearing plate along the length direction of the vertical section, and the horizontal section is provided with bolt holes, and the locking bolts penetrate through the strip-shaped hole and the bolt holes and are used for fixing the sliding plate and the bearing frame.
On the basis of the technical scheme, preferably, a rib plate is arranged between the horizontal section and the vertical section.
On the basis of the technical scheme, preferably, the protection assembly comprises an L-shaped protection angle, the inner side surface of the protection angle is used for being attached to the outer side of the T beam flange plate, and a through hole for a steel wire rope to pass through is formed in the protection angle.
Further, preferably, a pressing plate is detachably arranged on the vertical outer side wall of the corner protector, and a first arc-shaped groove corresponding to the through hole is arranged on the inner surface of the pressing plate along the vertical direction of the pressing plate.
Still further, preferably, the protection component further comprises a cover plate arranged at the top of the corner protector, a second arc-shaped groove corresponding to the through hole is arranged on the outer side wall of the cover plate, an adjusting device is further arranged between the cover plate and the corner protector, the adjusting device comprises an adjusting screw, one end of the adjusting screw is vertically and fixedly arranged at the other end of the top surface of the corner protector and upwards penetrates through the cover plate, the cover plate can slide up and down along the adjusting screw, and a first nut and a second nut are respectively connected to the adjusting screw where the top surface and the bottom surface of the cover plate are located.
On the other hand, the invention also provides a hoisting method based on the T-beam hoisting tool, which comprises the following operation steps:
s1, inserting the assembled bearing assembly into a lifting hole on a pedestal, enabling a bearing plate to be positioned right below the bottom surface of a T beam, inserting a cushion block into the lifting hole, and enabling the bearing plate to be tightly attached to the T beam;
s2, sleeving a hanging ring of the steel wire rope on the connecting device, and fixing the connecting device and the end part of the bearing frame firmly;
s3, moving the protection assembly upwards along the steel wire rope, and enabling the protection assembly to wrap the outer side of the flange plate of the T beam;
s4, after the bottom of the steel wire ropes on the two sides of the T beam is finished, connecting the upper ends of the two steel wire ropes with hoisting equipment;
s5, starting hoisting equipment, and hoisting the T beam.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the T-beam lifting appliance and the lifting method thereof disclosed by the invention, the bearing assembly is arranged and comprises the bearing frame inserted into the lifting hole of the pedestal, the top surface of the bearing frame is provided with the bearing plate attached to the bottom surface of the T-beam, the two ends of the bearing frame are respectively connected with the steel wire ropes through the connecting devices, the upper ends of the steel wire ropes are contacted with the outer sides of the flange plates of the T-beam through the protecting assembly, the steel wire ropes are not contacted with the bottom surface of the T-beam in the lifting process, and are not contacted with the flange plates of the T-beam, so that the problem that the steel wire ropes are easy to damage due to frequent friction between the steel wire ropes and the bottom surface of the T-beam and the flange plates of the T-beam is avoided.
(2) Through set up the device of preventing turning on one's side on the carriage of T roof beam both sides symmetry, can be after the T roof beam bottom has installed and bear the subassembly, with the vertical section of sliding plate and the butt of T roof beam lateral wall, fix sliding plate and loading board through the locking bolt, through the bar hole that sets up on the loading board, can make the fly leaf nimble adjustment position and lock on the loading board.
(3) Through can dismantle the clamp plate that is provided with on the vertical lateral wall of angle bead, can conveniently dismantle the angle bead from wire rope, also easy to assemble.
(4) Through set up the apron at the angle bead top surface and set up adjusting device between apron and angle bead simultaneously, can adjust the interval between apron and the angle bead to make the T roof beam flange board of protection subassembly adaptation different thickness, carry at T roof beam flange board top surface through the angle bead simultaneously, can retrain protection subassembly on T roof beam flange board and chucking, conveniently install protection subassembly, make T roof beam at hoist and mount in-process, wire rope can be fine avoid the friction to T roof beam flange board through protection subassembly.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a lifting process of a T-beam lifting appliance disclosed by the invention;
fig. 2 is a schematic diagram of a three-dimensional structure of a T-beam sling according to the present disclosure;
FIG. 3 is a schematic view of a carrier assembly according to the present disclosure;
fig. 4 is a schematic structural view of a protective assembly according to the present disclosure.
Detailed Description
The following description of the embodiments of the present invention will clearly and fully describe the technical aspects of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
As shown in fig. 1, in combination with fig. 2-4, the embodiment of the invention discloses a T-beam sling, which comprises a bearing component 1, a steel wire rope 2 and a protection component 3.
The bearing assembly 1 comprises a bearing frame 11, wherein the bearing frame 11 is used for being inserted into a lifting hole on the pedestal 200, a bearing plate 12 attached to the bottom surface of a T beam is fixedly arranged at the top of the bearing frame 11, the bearing plate 12 and the bearing frame 11 are locked or welded by bolts, and connecting devices 13 used for being connected with the steel wire ropes 2 are detachably arranged at two ends of the bearing frame 11;
the two steel wire ropes 2 are symmetrically arranged on two sides of the T beam 100 in the width direction, the lower ends of the steel wire ropes 2 are connected with one end of the bearing frame 11 through the connecting device 13, and the upper ends of the steel wire ropes 2 bypass the outer sides of the flange plates of the T beam 100 and are connected with hoisting equipment S, wherein the hoisting equipment S can be a crawler crane or a gantry crane;
and the protective component 3 is detachably sleeved on the steel wire rope 2 and used for being attached to the outer side of the flange plate of the T beam 100.
By adopting the technical scheme, through setting up the bearing component 1, the bearing component 1 is including inserting the carrier 11 of locating in the hoist and mount downthehole of pedestal 200, the carrier 11 top surface has the loading board 12 that laminates mutually with T roof beam 100 bottom surface, the carrier 11 both ends are connected with wire rope 2 through connecting device 13 respectively, wire rope 2 upper end contacts with T roof beam 100 flange outside through protection component 3, T roof beam 100 is in the in-process of lifting, wire rope 2 and T roof beam 100 bottom surface no longer contact, wire rope 2 and T roof beam 100 flange are no longer contacted simultaneously, wire rope 2 and the problem that the frequent friction of T roof beam 100 flange bottom and T roof beam 100 flange leads to wire rope 2 to damage easily has been avoided, and because in the hoist and mount in-process, exert effort through loading board 12 to T roof beam 100 bottom surface, wire rope 2 and roof beam body bottom no longer contact, beam body corner concrete can not crowd garrulous because of wire rope 2's pressure effect and damage, T type roof beam quality in the hoist and mount in-process has been guaranteed
For some embodiments, the bearing frame 11 includes two support plates 111 arranged at intervals vertically, the length of the support plates 111 is greater than the width of the bottom surface of the T beam 100, the bearing plate 12 is fixedly installed between the two support plates 111, and a plurality of reinforcing plates 14 are further connected between the two support plates 111 at intervals. From this setting, backup pad 111 can fully contact with T roof beam 100 bottom surface for at T roof beam 100 in hoist and mount in-process, wire rope 2 is exerted the pulling force on bearing frame 11 and is carried out the even dispersion to T roof beam 100 through backup pad 111, avoids wire rope 2 to produce huge extrusion force to the roof beam body and wire rope 2 contact site under the heavy load of roof beam body dead weight. By arranging a plurality of reinforcing plates 14 between the supporting plates 111, the whole bearing frame 11 is more stable in structure and the structural strength is improved.
As some embodiments, the end portions of the two support plates 111 are provided with mounting holes 1111 corresponding to each other, the connecting device 13 includes a plug 131 and a release stopping member 132, the plug 131 is used to sequentially pass through the mounting holes 1111 and connect with the release stopping member 132, and the lower end of the wire rope 2 is sleeved on the plug 131 between the two support plates 111 through a hanging ring. With such a structural arrangement, when the wire rope 2 is mounted with the bearing assembly 1, firstly, the hanging ring at the lower end of the wire rope 2 is placed between the two support plates 111, then the bolt 131 is inserted into and passes through the hanging ring in alignment with the mounting hole 1111 of one of the support plates 111, the bolt 131 is inserted into the mounting hole 1111 of the opposite support plate 111, and finally the anti-falling member 132 is inserted onto the bolt 131, thereby realizing the connection of the wire rope 2 with the bearing frame 11 through the connecting device 13.
Because the bearing component 1 is installed at the bottom of the T beam 100, the bearing component 1 may be unbalanced at the installation position of the bottom surface of the T beam 100, and meanwhile, in the process of hoisting and transportation, the T beam 100 also slides on the bearing component 1, so that the T beam 100 tilts and turns on one's side during hoisting, in order to solve the problems, the invention adopts the following technical scheme: the bearing assembly 1 further comprises two groups of rollover prevention devices 15, the two groups of rollover prevention devices 15 are symmetrically arranged on the bearing frame 11 where two sides of the T beam 100 are located, each rollover prevention device 15 comprises a sliding plate 151 and a locking bolt 152, each sliding plate 151 is arranged in an L-shaped mode, each sliding plate 151 is provided with a vertical section and a horizontal section, each horizontal section is placed on the corresponding bearing plate 12, each vertical section is used for supporting the vertical side wall of the corresponding T beam 100, each bearing plate 12 is provided with a strip-shaped hole 121 along the length direction of each bearing plate, each horizontal section is provided with a bolt hole, and each locking bolt 152 penetrates through each strip-shaped hole 121 and each bolt hole to enable the corresponding sliding plate 151 to be fixed with the corresponding bearing frame 11. By adopting the technical scheme, after the bearing assembly 1 is installed at the bottom of the T beam 100, the vertical section of the sliding plate 151 is propped against the side wall of the T beam 100, the sliding plate 151 and the bearing plate 12 are fixed through the locking bolt 152, and the movable plate can flexibly adjust the position on the bearing plate 12 and lock the movable plate through the strip-shaped hole 121 arranged on the bearing plate 12.
Preferably, a rib plate is arranged between the horizontal section and the vertical section, so that the structural strength of the sliding plate 151 can be improved, and bending of the sliding plate 151 caused by horizontal movement of the T beam 100 in the hoisting process is avoided.
For some embodiments, the protection assembly 3 includes an L-shaped protection corner 31, an inner side surface of the protection corner 31 is used for being attached to an outer side of a flange plate of the T beam 100, and a through hole 311 for the steel wire rope 2 to pass through is formed in the protection corner 31. From this, adopt above-mentioned structure setting, angle bead 31 can follow wire rope 2 reciprocates, when the hoist and mount, drags T roof beam 100 flange plate lateral wall with angle bead 31 to make angle bead 31 and flange plate bottom surface and lateral wall laminating, slowly hoist and mount T roof beam 100 back, wire rope 2 stirrup T roof beam 100 flange plate through angle bead 31, thereby make wire rope 2 not direct contact T roof beam 100 flange plate, and then avoided wire rope 2 and the frequent friction of T roof beam 100 flange plate to lead to wire rope 2 to damage easily the problem.
In the above embodiment, the corner protector 31 may be made of an elastic material or a steel plate material.
Because the two ends of the steel wire rope 2 are generally connected with hanging rings, in order to facilitate the steel wire rope 2 to pass through the corner protector 31, the invention adopts the following scheme: the pressing plate 312 is detachably arranged on the vertical outer side wall of the corner protector 31, and the first arc-shaped groove 3121 corresponding to the through hole 311 is arranged on the inner surface of the pressing plate 312 along the vertical direction of the pressing plate 312, so that when the corner protector 31 is installed on the steel wire rope 2, the steel wire rope 2 is firstly embedded into the through hole 311, then the pressing plate 312 and the corner protector 31 are locked by bolts, and the steel wire rope 2 can slide in the first arc-shaped groove 3121 and the through hole 311.
Since the corner protector 31 needs to be moved to the flange plate of the T beam 100 along the steel wire rope 2 after being mounted on the steel wire rope 2, and then the side wall of the flange plate of the T beam 100 is hooped by the corner protector 31 in the process of lifting the steel wire rope 2, the steel wire rope 2 needs to be lifted after the corner protector 31 is manually held to a preset position, which causes safety risk in lifting operation, therefore, before the steel wire rope 2 is lifted, the corner protector 31 needs to be fixed on the flange plate of the T beam 100 in advance. An adjusting device 33 is further arranged between the cover plate 32 and the corner protector 31, the adjusting device 33 comprises an adjusting screw 331, one end of the adjusting screw 331 is vertically and fixedly arranged on the top surface of the corner protector 31, the other end of the adjusting screw 331 upwards penetrates through the cover plate 32, the cover plate 32 can slide up and down along the adjusting screw 331, and a first nut 332 and a second nut 333 are respectively connected to the adjusting screw 331 where the top surface and the bottom surface of the cover plate 32 are located. By adopting such a technical scheme, on the one hand, the cover plate 32 and the corner protector 31 can be connected through the adjusting device 33, and the corner protector 31 and the cover plate 32 are combined to form a C-shaped structure, so that the T-beam 100 flange plates are conveniently clamped on the T-beam 100, and on the other hand, the thickness of the T-beam 100 flange plates is inconsistent, so that the combination of the corner protector 31 and the cover plate 32 is clamped on the T-beam 100 flange plates conveniently, and the cover plate 32 moves up and down along the adjusting screw 331 by synchronously rotating the first nut 332 and the second nut 333, so that the distance between the cover plate 32 and the corner protector 31 is adjusted, and the T-beam 100 flange plates with different thicknesses are adapted, so that the whole T-beam 100 has wider hanging applicability.
The invention also provides a hoisting method based on the T beam 100 hoisting tool, which comprises the following operation steps:
s1, inserting the assembled bearing assembly 1 into a lifting hole on a pedestal 200, positioning a bearing plate 12 right below the bottom surface of a T beam 100, inserting a cushion block into the lifting hole, and enabling the bearing plate 12 to be tightly attached to the T beam 100;
s2, sleeving a hanging ring of the steel wire rope 2 on the connecting device 13, and fixing the connecting device 13 and the end part of the bearing frame 11 firmly;
s3, moving the protection component 3 upwards along the steel wire rope 2, and enabling the protection component 3 to wrap the outer side of the flange plate of the T beam 100;
s4, after the bottom of the steel wire ropes 2 on the two sides of the T beam 100 is finished, connecting the upper ends of the two steel wire ropes 2 with hoisting equipment;
s5, starting hoisting equipment, and hoisting the T beam 100.
In summary, according to the T-beam 100 lifting appliance and the lifting method thereof disclosed by the invention, the bearing assembly 1 is arranged, the bearing assembly 1 comprises the bearing frame 11 inserted into the lifting hole of the pedestal 200, the top surface of the bearing frame 11 is provided with the bearing plate 12 attached to the bottom surface of the T-beam 100, two ends of the bearing frame 11 are respectively connected with the steel wire rope 2 through the connecting device 13, the upper end of the steel wire rope 2 is contacted with the outer side of the flange plate of the T-beam 100 through the protection assembly 3, the steel wire rope 2 is not contacted with the bottom surface of the T-beam 100 in the lifting process of the T-beam 100, and meanwhile, the steel wire rope 2 is not contacted with the flange plate of the T-beam 100, so that the problem that the steel wire rope 2 is easy to damage due to frequent friction between the steel wire rope 2 and the bottom of the T-beam 100 and the flange plate of the T-beam 100 is avoided, and the bottom of the T-beam body is not contacted through the bearing plate 12 in the lifting process, the corner concrete of the beam body is not crushed and damaged due to the pressure effect of the steel wire rope 2, and the quality of the T-beam in the lifting process is ensured.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. A T-beam sling, characterized in that: comprises a bearing component (1), a steel wire rope (2) and a protection component (3); wherein,,
the bearing assembly (1) comprises a bearing frame (11) which is inserted into a lifting hole on the pedestal (200), a bearing plate (12) attached to the bottom surface of the T beam (100) is fixedly arranged at the top of the bearing frame (11), connecting devices (13) are detachably arranged at two ends of the bearing frame (11), and the connecting devices (13) are used for connecting the steel wire ropes (2);
the two steel wire ropes (2) are symmetrically arranged on two sides of the width direction of the T beam, the lower ends of the steel wire ropes (2) are connected with one end of the bearing frame (11) through the connecting device (13), and the upper ends of the steel wire ropes (2) bypass the outer sides of the flange plates of the T beam and are connected with hoisting equipment (S);
the protective component (3) is detachably sleeved on the steel wire rope (2) and is used for being attached to the outer side of the flange plate of the T beam;
the bearing frame (11) comprises two supporting plates (111) which are vertically arranged at intervals, the length of each supporting plate (111) is larger than the width of the bottom surface of the T beam, the bearing plate (12) is fixedly arranged between the two supporting plates (111), and a plurality of reinforcing plates are connected between the two supporting plates (111) at intervals;
the end parts of the two support plates (111) are provided with mounting holes (1111) corresponding to the positions, the connecting device (13) comprises a bolt (131) and a release stopping piece (132), the bolt (131) is used for sequentially penetrating through the mounting holes (1111) and being connected with the release stopping piece (132), and the lower end of the steel wire rope (2) is sleeved on the bolt (131) between the two support plates (111) through a hanging ring;
the bearing assembly (1) further comprises two groups of rollover prevention devices (15), the two groups of rollover prevention devices (15) are symmetrically arranged on the bearing frame (11) where the two sides of the T beam are located, the rollover prevention devices (15) comprise sliding plates (151) and locking bolts (152), the sliding plates (151) are arranged in an L shape, the sliding plates (151) are provided with vertical sections and horizontal sections, the horizontal sections are placed on the bearing plates (12), the vertical sections are used for propping against the vertical side walls of the T beam, strip-shaped holes (121) are formed in the bearing plates (12) along the length direction of the vertical sections, bolt holes are formed in the horizontal sections, and the locking bolts (152) penetrate through the strip-shaped holes (121) and the bolt holes and are used for fixing the sliding plates (151) with the bearing frame (11).
2. A T-beam hanger as claimed in claim 1, wherein: and a ribbed plate is arranged between the horizontal section and the vertical section.
3. A T-beam hanger as claimed in claim 1, wherein: the protection assembly (3) comprises an L-shaped protection angle (31), the inner side surface of the protection angle (31) is used for being attached to the outer side of the T beam flange plate, and a through hole (311) for a steel wire rope (2) to pass through is formed in the protection angle (31).
4. A T-beam hanger as claimed in claim 3, wherein: the vertical outer side wall of the corner protector (31) is detachably provided with a pressing plate (312), and a first arc-shaped groove (3121) corresponding to the through hole (311) is arranged on the inner surface of the pressing plate (312) along the vertical direction of the pressing plate (312).
5. A T-beam hanger as claimed in claim 4, wherein: the protection component (3) further comprises a cover plate (32) arranged at the top of the corner protector (31), a second arc-shaped groove (321) corresponding to the through hole (311) is formed in the outer side wall of the cover plate (32), an adjusting device (33) is further arranged between the cover plate (32) and the corner protector (31), the adjusting device (33) comprises an adjusting screw (331), one end of the adjusting screw (331) is vertically and fixedly arranged at the other end of the top surface of the corner protector (31) and upwards penetrates through the cover plate (32), the cover plate (32) can slide up and down along the adjusting screw (331), and a first nut (332) and a second nut (333) are respectively connected to the adjusting screw (331) where the top surface and the bottom surface of the cover plate (32) are located.
6. A hoisting method using the T-beam hanger as claimed in any one of claims 1 to 5, comprising the steps of:
s1, inserting the assembled bearing assembly (1) into a lifting hole on a pedestal, enabling a bearing plate (12) to be positioned right below the bottom surface of a T beam, inserting a cushion block into the lifting hole, and enabling the bearing plate (12) to be tightly attached to the T beam;
s2, sleeving a hanging ring of the steel wire rope (2) on the connecting device (13), and fixing the connecting device (13) and the end part of the bearing frame (11) firmly;
s3, moving the protection component (3) upwards along the steel wire rope (2), and enabling the protection component (3) to wrap the outer side of the flange plate of the T beam;
s4, after the bottom of the steel wire ropes (2) on the two sides of the T beam is finished, connecting the upper ends of the two steel wire ropes (2) with hoisting equipment;
s5, starting hoisting equipment, and hoisting the T beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110290481.4A CN112960533B (en) | 2021-03-18 | 2021-03-18 | T-beam lifting appliance and lifting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110290481.4A CN112960533B (en) | 2021-03-18 | 2021-03-18 | T-beam lifting appliance and lifting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112960533A CN112960533A (en) | 2021-06-15 |
| CN112960533B true CN112960533B (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110290481.4A Active CN112960533B (en) | 2021-03-18 | 2021-03-18 | T-beam lifting appliance and lifting method |
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| CN (1) | CN112960533B (en) |
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| CN116891183B (en) * | 2023-09-11 | 2023-11-21 | 西南交通建设集团股份有限公司 | Material overhead hoist is used in bridge engineering construction |
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| CN204873420U (en) * | 2015-08-25 | 2015-12-16 | 中交第一公路工程局有限公司 | Precast beam hoist of self -adaptation width |
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| CN212315298U (en) * | 2020-06-11 | 2021-01-08 | 中电建路桥集团有限公司 | T-beam frame protection device |
| CN212559089U (en) * | 2020-07-07 | 2021-02-19 | 中交路桥南方工程有限公司 | Lifting appliance for lifting T-shaped beam prefabricated part of bridge |
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| JPH07315753A (en) * | 1994-05-31 | 1995-12-05 | Maeda Corp | Hoist jig for long scaled object |
| CN204873420U (en) * | 2015-08-25 | 2015-12-16 | 中交第一公路工程局有限公司 | Precast beam hoist of self -adaptation width |
| CN206872268U (en) * | 2017-05-27 | 2018-01-12 | 中交一公局海威工程建设有限公司 | T beams are revealed all the details suspender |
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| CN212559089U (en) * | 2020-07-07 | 2021-02-19 | 中交路桥南方工程有限公司 | Lifting appliance for lifting T-shaped beam prefabricated part of bridge |
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| CN112960533A (en) | 2021-06-15 |
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