CN221216844U - Anti-shaking casting crown block lifting appliance for continuous casting - Google Patents
Anti-shaking casting crown block lifting appliance for continuous casting Download PDFInfo
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- CN221216844U CN221216844U CN202322626549.9U CN202322626549U CN221216844U CN 221216844 U CN221216844 U CN 221216844U CN 202322626549 U CN202322626549 U CN 202322626549U CN 221216844 U CN221216844 U CN 221216844U
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- bearing
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- crown block
- lifting hook
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- 238000005266 casting Methods 0.000 title claims abstract description 22
- 238000009749 continuous casting Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 12
- 241001236644 Lavinia Species 0.000 claims 2
- 230000006872 improvement Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a casting crown block lifting appliance for anti-shaking continuous casting, which comprises a main beam, a hooking piece, a supporting beam, an electric hoist, a connecting piece and a lifting hook; the device replaces the original frame structure by the main beam composed of the spandrel girder and the balance beam, two hooking pieces are symmetrically arranged on the balance beam, and then the hooking pieces and the support beam are firmly connected together by two lifting hooks in a mode that openings are opposite, so that the stability of the main beam is greatly improved, the shaking degree when a heavy object is lifted is reduced, and the main beam is prevented from being separated from the lifting hooks; in addition, the connecting piece is arranged at the end part of the bearing beam, so that the original hoisting chain is replaced, the problem that the original hoisting chain is high in degree of freedom and easy to shake is effectively solved, and the stability of hoisting heavy objects is further improved; finally, the flexibility of the lifting hook is guaranteed through the cooperation between the connecting piece and the spandrel girder and between the connecting piece and the lifting hook, the lifting hook automatically adjusts when the heavy object is lifted, the heavy object finally reaches a balanced state, and the heavy object is prevented from shaking.
Description
Technical Field
The utility model belongs to the technical field of casting crown block hoisting equipment for continuous casting, and particularly relates to an anti-shaking casting crown block hoisting tool for continuous casting.
Background
For steel production enterprises, a casting crown block, in particular a large-tonnage crown block for hoisting high-temperature molten metal tanks, is an important device in steelmaking production, and is mainly used for transporting and pouring large-volume high-temperature molten liquid. At present, the lifting appliance of the existing casting crown block of a company is in the form of a single hook+4 chain+frame, so that in the lifting operation process, due to the high degree of freedom of the lifting chain, a shaking phenomenon can often occur when a heavy object is lifted, and a worker controlling the casting crown block wants to quickly and stably lower the heavy object, so that the operation difficulty is extremely high, particularly high-temperature liquid in a pouring process is extremely easy to splash when a high-temperature molten metal tank is lifted, and extremely high potential safety hazards are caused for the worker and the working environment of a production workshop.
In view of the above, it is desirable to design a casting crown block hanger for continuous casting that can play a role in preventing shaking.
Disclosure of utility model
In order to solve the defects and the shortcomings of the prior art, the casting crown block lifting appliance for the shaking prevention continuous casting is provided, so that the problem that potential safety hazards are caused to staff and the environment due to shaking when a heavy object is lifted due to high degree of freedom of a lifting chain in the existing casting crown block lifting appliance can be solved.
The utility model provides a casting crown block lifting appliance for anti-shaking continuous casting, which comprises a main beam, wherein the main beam comprises two spandrel girders and a balance beam, the spandrel girders are perpendicular to the balance beam and are symmetrically arranged at two ends of the balance beam, two ends of the spandrel girders are movably connected with lifting hooks through connecting pieces, two hooking pieces are symmetrically arranged at the top of the balance beam, the hooking pieces are connected with the bottom of a supporting beam through lifting hooks, and two electric hoists are piled on the upper surface of the supporting beam.
As a further improvement of the scheme, the connecting piece comprises a rotating shaft and a connecting lug, the connecting lug is movably connected with the lifting hook through a shaft pin, a first installation cavity is formed in the end part of the bearing beam, a bearing plate is installed at the bottom of the first installation cavity, a bearing ring plate is arranged in an inner cavity of the bearing plate, a fixed end in the rotating shaft penetrates through the bearing ring plate, the center of the bearing plate and the bottom surface of the bearing beam to be fixed with the top surface of the connecting lug, the bearing end in the rotating shaft is pressed on the top surface of the bearing ring plate, the bottom of the bearing ring plate is of a step structure, and a plurality of rolling bodies are arranged between the second step surface of the bearing ring plate and the bottom surface of the inner cavity of the bearing plate and used for adjusting the angle of the lifting hook.
As a further improvement of the scheme, a left-right through movable groove is formed in the bottom of the connecting lug, a mounting shaft is arranged in the movable groove, and the mounting shaft penetrates through the lifting hook and is fixed with two side walls of the movable groove.
As a further improvement of the scheme, the bottom surface of the first installation cavity is provided with a second installation cavity, a bearing is installed in the second installation cavity, and the inner ring of the bearing is sleeved on the outer wall of the fixed end so as to reduce abrasion between the rotating shaft and the main beam.
As a further improvement of the scheme, the rolling bodies are balls, rollers or rollers, a plurality of the rolling bodies are sleeved with supporting frames, and the movement smoothness of the rolling bodies is further improved.
As a further improvement of the scheme, the directions of the openings of the lifting hooks, which are connected with the two hooking pieces, of the supporting beam are opposite to each other, so that the main beam is prevented from being separated from the lifting hooks from one side, and the openings of the lifting hooks, which are arranged at the ends of the two bearing beams, are the same to prevent the lifted heavy objects from being separated from the lifting hooks.
As a further improvement of the above solution, the top of the first mounting cavity is mounted with a mounting top plate by bolts.
The beneficial effects of the utility model are as follows:
Compared with the prior art, the casting crown block lifting appliance for the anti-shaking continuous casting has the advantages that the original frame structure is replaced by the main beam formed by the bearing beam and the balance beam, two hooking pieces are symmetrically arranged on the balance beam, and then the hooking pieces and the support beam are firmly connected together by the two lifting hooks in an opposite opening mode, so that the stability of the main beam is greatly improved, the shaking degree during lifting of heavy objects is reduced, and the main beam is prevented from being separated from the lifting hooks; in addition, the connecting piece is arranged at the end part of the bearing beam, so that the original hoisting chain is replaced, the problem that the original hoisting chain is high in degree of freedom and easy to shake is effectively solved, and the stability of hoisting heavy objects is further improved; finally, the flexibility of the lifting hook is guaranteed through the cooperation between the connecting piece and the spandrel girder and between the connecting piece and the lifting hook, the lifting hook automatically adjusts when the heavy object is lifted, the heavy object finally reaches a balanced state, and the heavy object is prevented from shaking.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of A-A of FIG. 2;
fig. 4 is an enlarged schematic view of circle B in fig. 3.
Wherein, 1-main beam; 2-hooking pieces; 3-supporting beams; 4-electric hoist; a 5-connector; 6-lifting hook; 7-bearing ring plates; 8-a bearing plate; 9-bearing; 11-a first mounting cavity; 12-mounting a top plate; 13-a second mounting cavity; 51-a rotation axis; 52-connecting lugs; 511-a fixed end; 512-bearing ends.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings, which illustrate in further detail:
According to the utility model, as shown in fig. 1-4, the utility model provides a casting crown block lifting appliance for shaking prevention continuous casting, which comprises a main beam 1, wherein the main beam 1 comprises two spandrel girders and a balance beam, the spandrel girders are perpendicular to the balance beam and are symmetrically arranged at two ends of the balance beam, two ends of the spandrel girders are movably connected with lifting hooks 6 through connecting pieces 5, two hooking pieces 2 are symmetrically arranged at the top of the balance beam, the hooking pieces 2 are connected with the bottom of a supporting beam 3 through the lifting hooks 6, and two electric hoists 4 are piled on the upper surface of the supporting beam 3.
The connecting piece 5 comprises a rotating shaft 51 and a connecting lug 52, the connecting lug 52 is movably connected with the lifting hook 6 through a shaft pin, a first installation cavity 11 is formed in the end part of the bearing beam, an installation top plate 12 is installed on the top of the first installation cavity 11 through a bolt, a bearing plate 8 is installed at the bottom of the first installation cavity 11, a bearing ring plate 7 is arranged in an inner cavity of the bearing plate 8, a fixed end 511 in the rotating shaft 51 penetrates through the bearing ring plate 7, the center of the bearing plate 8 and the bottom surface of the bearing beam to be fixed with the top surface of the connecting lug 52, a bearing end 512 in the rotating shaft 51 is pressed on the top surface of the bearing ring plate 7, the bottom of the bearing ring plate 7 is of a step structure, and a plurality of rolling bodies are arranged between a second step surface of the bearing ring plate 7 and the bottom surface of the inner cavity of the bearing plate 8 and used for adjusting the angle of the lifting hook 6.
Meanwhile, the bottom of the connecting lug 52 is provided with a left-right through movable groove, a mounting shaft is arranged in the movable groove, and the mounting shaft penetrates through the lifting hook 6 to be fixed with two side walls of the movable groove.
In addition, a second installation cavity 13 is formed in the bottom surface of the first installation cavity 1, a bearing 9 is installed in the second installation cavity 13, and an inner ring of the bearing 9 is sleeved on the outer wall of the fixed end 511 so as to reduce abrasion between the rotating shaft 51 and the main beam 1; the opening directions of the lifting hooks 6 for connecting the supporting beam 3 and the two hooking members 2 are opposite, so that the main beam 1 is prevented from being separated from the lifting hooks 6 from one side, and the opening directions of the lifting hooks 6 arranged at the ends of the two spandrel girders are the same, so that the lifted heavy objects are prevented from being separated from the lifting hooks 6.
The rolling bodies are one of balls, rollers and rollers, and the supporting frames are sleeved on the rolling bodies, so that the movement smoothness of the rolling bodies is further improved.
The utility model provides a casting crown block lifting appliance for anti-shaking continuous casting, when the lifting appliance is used for lifting, a heavy object is lifted in a lifting hook 6 of a bearing beam in a main beam 1, and as all the lifting hooks 6 are simultaneously subjected to the gravity action of the heavy object, the lifting hooks 6 can be stressed to incline inwards, at the moment, part of the force applied by the inclined lifting hooks 6 can drive a connecting piece 5 connected with the lifting hooks 6 to rotate, and finally, the pulling force provided by all the lifting hooks 6 is equal to the gravity of the heavy object, and meanwhile, the shaking force possibly generated by all the lifting hooks 6 on a horizontal plane can be balanced, so that the heavy object can be always in a balanced state and is not easy to shake.
The above embodiments are not limited to the technical solution of the embodiments, and the embodiments may be combined with each other to form a new embodiment. The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a prevent rocking casting overhead traveling crane hoist for continuous casting which characterized in that: including girder (1), girder (1) is including two spandrel girders and a compensating beam, spandrel girder perpendicular to compensating beam and symmetrical arrangement are in the both ends of compensating beam, the both ends of spandrel girder all are through connecting piece (5) and lifting hook (6) swing joint, the top symmetry of compensating beam is provided with two hitches (2), hitches (2) are realized being connected through the bottom of lifting hook (6) with supporting beam (3), the upper surface stack of supporting beam (3) is provided with two electric hoist (4).
2. The casting crown block sling for anti-shake continuous casting as defined in claim 1, wherein: the connecting piece (5) is including rotation axis (51) and engaging lug (52), engaging lug (52) passes through pivot swing joint with lifting hook (6), first installation cavity (11) have been seted up in the tip of bearing beam, bearing dish (8) are installed to the bottom of first installation cavity (11), be provided with bearing ring plate (7) in the inner chamber of bearing dish (8), fixed end (511) in rotation axis (51) pass bearing ring plate (7), the center of bearing dish (8) and the bottom surface of bearing beam and the top surface of engaging lug (52) are fixed, bearing end (512) in rotation axis (51) are pressed at the top surface of bearing ring plate (7), the bottom of bearing ring plate (7) is step structure, be provided with a plurality of rolling elements of lifting hook (6) between the second step face of bearing ring plate (7) and the bottom surface of bearing dish (8) inner chamber for adjust the angle of lifting hook (6).
3. The casting crown block sling for anti-shake continuous casting as defined in claim 2, wherein: the bottom of the connecting lug (52) is provided with a left-right through movable groove, a mounting shaft is arranged in the movable groove, and the mounting shaft penetrates through the lifting hook (6) to be fixed with two side walls of the movable groove.
4. A casting crown block sling for anti-shake continuous casting as defined in claim 3, wherein: the bottom surface of first installation chamber (11) is opened there is second installation chamber (13), install bearing (9) in second installation chamber (13), the inner race cover of bearing (9) is established on the outer wall of stiff end (511) to reduce wearing and tearing between rotation axis (51) and girder (1).
5. The casting crown block sling for shake-preventing continuous casting according to any one of claims 2-4, wherein: the rolling bodies are one of balls, rollers and rollers, and a plurality of the rolling bodies are sleeved with supporting frames, so that the movement smoothness of the rolling bodies is further improved.
6. The casting crown block sling for anti-shake continuous casting as defined in claim 1, wherein: the opening directions of the lifting hooks (6) for realizing connection of the supporting beam (3) and the two hooking pieces (2) are opposite, so that the main beam (1) is prevented from being separated from the lifting hooks (6) from one side, and the opening directions of the lifting hooks (6) arranged at the ends of the two spandrel girders are the same, so that the lifted heavy objects are prevented from being separated from the lifting hooks (6).
7. The casting crown block sling for anti-shake continuous casting as defined in claim 2, wherein: the top of the first installation cavity (11) is provided with an installation top plate (12) through bolts.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221216844U true CN221216844U (en) | 2024-06-25 |
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| GR01 | Patent grant |