CN219442930U - Special tool for installing vertical shaft of rolling mill in bar production line of steelworks - Google Patents
Special tool for installing vertical shaft of rolling mill in bar production line of steelworks Download PDFInfo
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- CN219442930U CN219442930U CN202320609891.5U CN202320609891U CN219442930U CN 219442930 U CN219442930 U CN 219442930U CN 202320609891 U CN202320609891 U CN 202320609891U CN 219442930 U CN219442930 U CN 219442930U
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- rolling mill
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of rolling mill assembly, in particular to a special tool for installing a vertical connecting shaft of a rolling mill on a bar production line of a steel mill, which comprises two steel wire ropes and chain blocks, wherein one ends of the two steel wire ropes are connected with lifting lugs on a rolling mill gearbox for lifting the gearbox, the other ends of the two steel wire ropes are respectively positioned on two sides of the gearbox and are downwards hung with the chain blocks, lifting zippers are hung on lifting hooks of the chain blocks, clamping pieces are hung at the bottom ends of the two lifting zippers together, the chain blocks and the clamping pieces are utilized for installing the vertical connecting shaft of the rolling mill, the chain blocks are connected with an original device on the rolling mill through the steel wire ropes, a hanging bracket and a counterweight are not required to be manufactured, the cost is saved, the vertical connecting shaft of the rolling mill is only required to be transported to an appointed installation position by using a crane in the installation process, the long-time occupation of the crane is avoided, the smooth operation of other cranes is influenced, and the structure is simple and easy to operate.
Description
Technical Field
The utility model relates to the technical field of rolling mill assembly, in particular to a special tool for installing a vertical shaft of a rolling mill in a bar production line of a steelworks.
Background
At present, a vertical rolling mill is arranged on a rod wire production line according to production process requirements, a gearbox of the vertical rolling mill and a vertical connecting shaft connected with a rolling mill roller are vertical disassembly and assembly, and because the vertical rolling mill is different in specification, the shaft diameters or types of the vertical connecting shafts are different, and when the vertical connecting shafts are disassembled and assembled, a commonly used tool is a hoisting tool.
Existing publication number: the vertical rod and wire rod connecting shaft lifting tool comprises a lifting beam, lifting lugs, counterweights and hoops, wherein the lifting beam is of a strip shape, one end of the lifting beam is provided with the counterweights, the other end of the lifting beam is provided with the hoops for installing a vertical connecting shaft, in the use process, the proper counterweights are selected according to the vertical connecting shaft to be replaced or installed, the lifting hook of the lifting machine is connected with the lifting lugs, the lifting beam is lifted to a certain height and moves to one side of the vertical connecting shaft, the old vertical connecting shaft is lifted off a vertical rolling mill at first, and then a new vertical connecting shaft is lifted into the vertical rolling mill for installation.
The technical scheme has the defects that: when the vertical type rolling mill with different specifications is used for disassembling and assembling the vertical type connecting shaft, different counterweights are selected, the manufacturing cost is high, the application range of the hoisting tool is too small, and the economy of enterprises is not facilitated, so that the special tool for installing the vertical type connecting shaft of the rolling mill in the bar production line of a steel mill is provided.
Disclosure of Invention
The utility model aims to solve the problems, thereby providing a special tool for installing a vertical shaft of a rolling mill of a steel mill bar production line.
The utility model solves the problems, and adopts the following technical scheme:
a special tool for installing a vertical shaft of a rolling mill of a steel mill bar production line comprises two steel wire ropes and chain blocks, wherein one ends of the two steel wire ropes are connected with lifting lugs on a rolling mill gearbox for lifting the gearbox, the other ends of the two steel wire ropes are respectively positioned on two sides of the gearbox, the chain blocks are hung downwards, lifting zippers are hung on lifting hooks of the chain blocks, and clamping pieces are hung at the bottom ends of the two lifting zippers;
the clamping piece comprises two semi-arc clamping plates, the clamping pieces are formed after the two semi-arc clamping plates are in butt joint, the clamping pieces are encircling on a vertical connecting shaft to be installed, the two semi-arc clamping plates are fixedly connected through clamping lugs and bolts, lifting lug plates are respectively arranged at the central positions of the outer side walls of the two semi-arc clamping plates, and the bottom ends of the two lifting zippers are respectively connected with the two lifting lug plates.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
according to the utility model, the hand chain hoist and the clamping piece are utilized to install the vertical connecting shaft of the rolling mill, the hand chain hoist is connected with the original device on the rolling mill through the steel wire rope, a hanging bracket and a counterweight are not required to be manufactured, the cost is saved, the vertical connecting shaft of the rolling mill is only required to be conveyed to a designated installation position by using a travelling crane in the installation process, the long-time occupation of the travelling crane is avoided, the smooth operation of other working needing to use the travelling crane is influenced, and the device is simple in structure and easy to operate.
Preferably, the utility model further adopts the technical scheme that:
the semi-arc clamping plate is a steel member, the thickness is greater than 4mm, and the height is not less than 100mm.
The inner arc diameter of the semi-arc clamping plate is matched with the shaft diameter of the vertical connecting shaft to be installed, the arc section of the semi-arc clamping plate is in a minor arc, and the minor arc radian is 175-179 degrees.
The lifting lug plate is of a rectangular plate structure, the lifting hole is positioned in the center of the lifting lug plate, the thickness of the lifting lug plate is not less than 6mm, and the side length of the lifting lug plate is 3-4 times of the diameter of the lifting hole.
Drawings
FIG. 1 is a schematic view of an installation perspective structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a front view of a usage status according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a main structure of a fastener according to an embodiment of the utility model;
FIG. 4 is a schematic view of a main body of a semi-arc splint according to an embodiment of the present utility model;
marked in the figure as: the novel lifting device comprises a gearbox 1, a vertical connecting shaft 2, a chain block 3, a steel wire rope 4, a lifting zipper 5, a clamping piece 6, a semi-arc clamping plate 6-1, a clamping lug 6-2, a lifting lug plate 6-3 and a bolt 6-4.
Description of the embodiments
The utility model is further described below in connection with the following examples which are provided for the purpose of better understanding of the present utility model and are, therefore, not to be construed as limiting the scope of the utility model.
Referring to fig. 1-4, a special tool for installing a vertical shaft of a rolling mill of a steel mill bar production line mainly comprises two steel wire ropes 4 and two chain blocks 3, wherein one ends of the two steel wire ropes 4 are connected with lifting lugs on a rolling mill gearbox 1 for lifting the gearbox 1, the other ends of the two steel wire ropes are respectively positioned at two sides of the gearbox 1 and are downwards hung with the chain blocks 3, lifting zippers 5 are hung on lifting hooks of the chain blocks 3, and clamping pieces 6 are hung at the bottom ends of the two lifting zippers 5 together;
the clamping piece 6 comprises two semi-arc clamping plates 6-1, the clamping pieces 6 are formed after the two semi-arc clamping plates 6-1 are in butt joint, the clamping pieces 6 are encircling on the vertical connecting shaft 2 to be installed, the two semi-arc clamping plates 6-1 are fixedly connected through the arranged clamping lugs 6-2 and bolts 6-4, lifting lug plates 6-3 are respectively arranged at the central positions of the outer side walls of the two semi-arc clamping plates 6-1, and the bottom ends of the two lifting zippers 5 are respectively connected with the two lifting lug plates 6-3.
The semi-arc clamping plate 6-1 is a steel member, the thickness is more than 4mm, and the height is not less than 100mm; the strength of the semi-arc clamping plate 6-1 is ensured, and the deformation caused by stress in the use process is prevented.
The inner arc diameter of the semi-arc clamping plate 6-1 is matched with the shaft diameter of the vertical connecting shaft 2 to be installed, the arc section of the semi-arc clamping plate 6-1 is a minor arc, and the minor arc radian is 175-179 degrees; the two semi-arc clamping plates 6-1 are guaranteed to be in butt joint and can clamp the vertical type connecting shaft 2 after being fixed through the clamping lugs 6-2 and the bolts 6-4.
The lifting lug plate 6-3 is of a rectangular plate structure, the lifting hole is positioned at the center of the lifting lug plate 6-3, the thickness of the lifting lug plate 6-3 is not less than 6mm, and the side length of the lifting lug plate 6-3 is 3-4 times of the diameter of the lifting hole; the stress intensity of the lifting lug plate 6-3 is increased, and stress deformation or opening pulling out in the use process is prevented.
When the vertical connecting shaft 2 to be installed is transported to a designated installation position by using a crane, one end of a steel wire rope 4 is connected with lifting lugs on an original rolling mill gearbox 1 for lifting the gearbox 1, the other ends of the steel wire rope are respectively positioned at two sides of the gearbox 1, chain blocks 3 are hung downwards, clamping pieces 6 are embraced on the vertical connecting shaft 2 to be installed, two semi-arc clamping plates 6-1 are fixed by using bolts 6-4, the clamping pieces 6 clamp the vertical connecting shaft 2, one end of a lifting zipper 5 is connected with lifting lug plates 6-3 of the clamping pieces 6, the other ends of the lifting zipper are hung on lifting hooks of the chain blocks 3, and the two chain blocks 3 are operated to lift the vertical connecting shaft 2 for installation.
According to the utility model, the hand chain hoist and the clamping piece are utilized to install the vertical connecting shaft of the rolling mill, the hand chain hoist is connected with the original device on the rolling mill through the steel wire rope, a hanging bracket and a counterweight are not required to be manufactured, the cost is saved, the vertical connecting shaft of the rolling mill is only required to be conveyed to a designated installation position by using a travelling crane in the installation process, the long-time occupation of the travelling crane is avoided, the smooth operation of other working needing to use the travelling crane is influenced, and the device is simple in structure and easy to operate.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a vertical spiale installation specialized tool of steel mill rod production line rolling mill, includes wire rope, chain block, its characterized in that: the two steel wire ropes are arranged, one ends of the two steel wire ropes are connected with lifting lugs on the rolling mill gearbox for lifting the gearbox, the other ends of the two steel wire ropes are respectively positioned at two sides of the gearbox and are downwards hung with chain blocks, lifting zippers are hung on lifting hooks of the chain blocks, and clamping pieces are hung at the bottom ends of the two lifting zippers together;
the clamping piece comprises two semi-arc clamping plates, the clamping pieces are formed after the two semi-arc clamping plates are in butt joint, the clamping pieces are encircling on a vertical connecting shaft to be installed, the two semi-arc clamping plates are fixedly connected through clamping lugs and bolts, lifting lug plates are respectively arranged at the central positions of the outer side walls of the two semi-arc clamping plates, and the bottom ends of the two lifting zippers are respectively connected with the two lifting lug plates.
2. The steel mill bar production line rolling mill vertical shaft installation special tool according to claim 1, wherein: the semi-arc clamping plate is a steel member, the thickness is greater than 4mm, and the height is not less than 100mm.
3. The steel mill bar production line rolling mill vertical shaft installation special tool according to claim 1, wherein: the inner arc diameter of the semi-arc clamping plate is matched with the shaft diameter of the vertical connecting shaft to be installed, the arc section of the semi-arc clamping plate is in a minor arc, and the minor arc radian is 175-179 degrees.
4. The steel mill bar production line rolling mill vertical shaft installation special tool according to claim 1, wherein: the lifting lug plate is of a rectangular plate structure, the lifting hole is positioned in the center of the lifting lug plate, the thickness of the lifting lug plate is not less than 6mm, and the side length of the lifting lug plate is 3-4 times of the diameter of the lifting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320609891.5U CN219442930U (en) | 2023-03-26 | 2023-03-26 | Special tool for installing vertical shaft of rolling mill in bar production line of steelworks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320609891.5U CN219442930U (en) | 2023-03-26 | 2023-03-26 | Special tool for installing vertical shaft of rolling mill in bar production line of steelworks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219442930U true CN219442930U (en) | 2023-08-01 |
Family
ID=87409511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320609891.5U Active CN219442930U (en) | 2023-03-26 | 2023-03-26 | Special tool for installing vertical shaft of rolling mill in bar production line of steelworks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219442930U (en) |
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2023
- 2023-03-26 CN CN202320609891.5U patent/CN219442930U/en active Active
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