CN110759232A - Hoisting tool and hoisting method for lower support roller stepped plate of four-roller type rolling mill - Google Patents
Hoisting tool and hoisting method for lower support roller stepped plate of four-roller type rolling mill Download PDFInfo
- Publication number
- CN110759232A CN110759232A CN201911177943.0A CN201911177943A CN110759232A CN 110759232 A CN110759232 A CN 110759232A CN 201911177943 A CN201911177943 A CN 201911177943A CN 110759232 A CN110759232 A CN 110759232A
- Authority
- CN
- China
- Prior art keywords
- rolling mill
- lower support
- hoisting
- roller
- frame
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000004642 transportation engineering Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002965 rope Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
Abstract
The invention discloses a lower supporting roller stepped plate hoisting tool of a four-roller type rolling mill, which comprises a rolling mill frame, wherein a lower supporting roller transverse moving roller way is arranged at the lower part of the rolling mill frame; lifting lugs are symmetrically arranged on the left side and the right side of the middle part of the lifting beam, and the bottoms of the left end and the right end of the lifting beam are respectively fixedly connected with one support frame; the traveling wheels are matched with the lower support roller transverse moving roller way and are arranged at the bottom of the support frame. The invention also discloses a hoisting method of the hoisting tool for the lower supporting roller step plate of the four-high rolling mill. The invention aims at the technical problem that the lower support roller step plate of the existing four-roller type rolling mill is inconvenient to disassemble and assemble, and has short operation time, high efficiency and good safety.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a hoisting tool and a hoisting method for a lower supporting roller step plate of a four-roller type rolling mill.
Background
The four-high rolling mill lower support roller step plate needs to be frequently removed and replaced in maintenance, and the travelling crane cannot be directly hoisted due to the fact that in a rolling mill frame, a steel rope hoist is not conveniently hung in the frame at a position, the lower support roller step plate is removed and hoisted, and operation is extremely difficult, labor is wasted. In addition, in the dismounting or mounting construction of the lower support roller stepped plate of the four-roller type rolling mill, when the lower support roller stepped plate is dismounted or mounted, due to the fact that the construction is narrow and small in position in a rolling mill frame, the lower support roller stepped plate is heavy and cannot be manually carried and mounted, and external travelling cranes cannot be lifted and the like, the traditional method is basically implemented by hanging and mounting the hoists at multiple points, the operation time is long, operation and safety of operators are achieved, the efficiency is low, and the safety risk is high.
Disclosure of Invention
Aiming at the technical problem that a lower support roller step plate of a four-high rolling mill is inconvenient to disassemble and assemble in the background technology, the invention provides a lower support roller step plate hoisting tool and a hoisting method of the four-high rolling mill, which effectively solve the hoisting problems in the disassembling and assembling construction of the lower support roller step plate of the four-high rolling mill, and have the advantages of short operation time, high efficiency and good safety.
The technical scheme for solving the technical problem of the invention is as follows:
the invention relates to a hoisting tool for a lower supporting roller stepped plate of a four-roller type rolling mill, which comprises a rolling mill frame, wherein a lower supporting roller transverse moving roller way is arranged at the lower part of the rolling mill frame; lifting lugs are symmetrically arranged on the left side and the right side of the middle part of the lifting beam, and the bottoms of the left end and the right end of the lifting beam are respectively fixedly connected with one support frame; the traveling wheels are matched with the lower support roller transverse moving roller way and are arranged at the bottom of the support frame.
As a further improvement of the technical scheme of the invention, the hanging beam and the supporting frame are made of channel steel and/or H-shaped steel.
As a further improvement of the technical scheme of the invention, the supporting frame is triangular and comprises two supporting stand columns and a bottom beam, the tops of the two supporting stand columns are welded and fixed at the bottom of the hanging beam, the bottoms of the two supporting stand columns are respectively welded and fixed with the upper surface of the bottom beam, and the left end and the right end of the bottom beam are respectively provided with one traveling wheel.
As a further improvement of the technical scheme of the invention, the middle parts of two supporting upright columns of each supporting frame are welded with supporting beams; and a connecting cross beam is welded between the bottom beam and the other bottom beam.
The other technical scheme for solving the technical problem of the invention is as follows:
the invention discloses a hoisting method of a hoisting tool for a stepped plate of a lower supporting roller of a four-roller rolling mill, which is characterized by comprising the following steps of:
1) firstly, leading out a working roll and a lower supporting roll of the four-roll mill;
2) removing other parts such as an upper cover plate and bolts of a lower support roller step plate of the four-high rolling mill;
3) placing traveling wheels of the lower supporting roller step plate hoisting tool of the four-high rolling mill in the technical scheme on a lower supporting roller transverse moving track, then arranging a lifting device on a lifting lug, moving the tool to the position of the lower supporting roller step plate in a rolling mill frame, and hoisting the lower supporting roller step plate by using the lifting device;
4) transversely moving the tool with the lower support roller step plate hung to the outer side of the rolling mill frame, and hanging the lower support roller step plate by using a lifting hook of a travelling crane to transport the lower support roller step plate out;
5) and the procedure of reloading the new lower support roller step plate is opposite to the above steps.
As a further improvement of the technical scheme of the invention, the lifting device is a chain block.
Compared with the prior art, the lower supporting roller stepped plate hoisting tool for the four-high rolling mill, disclosed by the invention, has the advantages of simple and practical structure, quickness in manufacturing, convenience in operation, and reliability and safety in operation. Meanwhile, the hoisting method of the hoisting tool for the lower support roller stepped plate of the four-roller rolling mill can shorten the operation time and achieve the purpose of quickly, safely and efficiently removing and installing the lower support roller stepped plate.
Drawings
The invention is further described with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of a lower support roll step plate hoisting tool of a four-high rolling mill, which is disclosed by the invention;
FIG. 2 is a schematic diagram of a hoisting method of the hoisting tool for the lower support roll step plate of the four-high rolling mill, which is disclosed by the invention;
in the figure: 1. the lifting beam 2, the supporting frame 21, the supporting upright post 22, the bottom beam 23 and the supporting beam 24 are connected with the cross beam 3, the lifting lug 4, the walking wheel 5, the lower supporting roll transverse moving track 6, the rolling mill frame 7, the lower supporting roll step plate 8, the lifting device 9 and the lifting hook.
Detailed Description
Example 1:
as shown in fig. 1 and 2, the four-high rolling mill lower supporting roll step plate hoisting tool comprises a rolling mill frame 6, wherein a lower supporting roll transverse roller way 5 is arranged at the lower part of the rolling mill frame 6, and the four-high rolling mill lower supporting roll step plate hoisting tool is characterized by comprising a hanging beam 1, a supporting frame 2 and a traveling wheel 4; lifting lugs 3 are symmetrically arranged on the left side and the right side of the middle part of the lifting beam 1, and the bottoms of the left end and the right end of the lifting beam are respectively fixedly connected with one support frame 2; the traveling wheels 4 are matched with the lower support roller transverse moving roller table 5 and are arranged at the bottom of the support frame 2.
In this embodiment, the hanging beam 1 and the supporting frame 2 are made of channel steel and/or H-shaped steel.
In this embodiment, support frame 2 is the triangle-shaped form, and it includes two support post 21, floorbar 22, the equal welded fastening in the bottom of hanging beam 1 in top of two support post 21, the bottom of two support post 21 respectively with the upper surface welded fastening of floorbar 22, both ends set up one respectively about the bottom of floorbar 22 walking wheel 4 can also set up locking means on this walking wheel 4 for locking walking wheel 4, through the setting of support frame 2, make the support of support frame 2 at hanging beam 1 both ends more stable.
In this embodiment, the middle parts of the two support columns 21 of each support frame 2 are welded with support beams 23; a connecting beam 24 is welded between the bottom beam 22 of the support frame 2 and the bottom beam 22 of the other support frame 2, so that the hoisting tool is more stable.
Example 2:
the invention discloses a hoisting method of a hoisting tool for a stepped plate of a lower supporting roller of a four-roller rolling mill, which is characterized by comprising the following steps of:
1. firstly, leading out a working roll and a lower supporting roll of a four-roll type rolling mill;
2. dismantling other parts such as an upper cover plate, a bolt and the like of a lower support roller step plate 7 of the four-high rolling mill;
3. placing a traveling wheel 4 of the lower support roller step plate hoisting tool of the four-high rolling mill in the embodiment 1 on a lower support roller transverse moving rail 5, placing the traveling wheel on the rail similarly to a train wheel, then arranging a lifting device 8 on a lifting lug 3, moving the tool to the position of a lower support roller step plate 7 in a rolling mill frame 6, and hoisting the lower support roller step plate 7 by using the lifting device 8;
4. transversely moving the tool for hanging the lower support roller step plate 7 to the outer side of the rolling mill frame 6, and hanging the lower support roller step plate 7 by using a lifting hook 9 of a travelling crane to transport out;
5. the procedure of reloading a new lower support roller step plate 7 is reversed from the above.
In this embodiment, the lifting device 8 is a chain block.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (6)
1. A four-high rolling mill lower support roll stepped plate hoisting tool comprises a rolling mill frame (6), wherein a lower support roll transverse moving roller way (5) is arranged at the lower part of the rolling mill frame (6), and the four-high rolling mill lower support roll stepped plate hoisting tool is characterized by comprising a hoisting beam (1), a support frame (2) and traveling wheels (4); lifting lugs (3) are symmetrically arranged on the left side and the right side of the middle part of the lifting beam (1), and the bottoms of the left end and the right end of the lifting beam are respectively fixedly connected with one support frame (2); the traveling wheels (4) are matched with the lower support roller transverse roller bed (5) and are arranged at the bottom of the support frame (2).
2. The lower support roll stepped plate hoisting tool of the four-high rolling mill as claimed in claim 1, wherein the hoisting beam (1) and the support frame (2) are made of channel steel and/or H-shaped steel.
3. The four-high rolling mill lower support roll step plate hoisting tool according to claim 1 or 2, characterized in that the support frame (2) is triangular and comprises two support columns (21) and a bottom beam (22), the tops of the two support columns (21) are welded and fixed to the bottom of the hanging beam (1), the bottoms of the two support columns (21) are respectively welded and fixed to the upper surface of the bottom beam (22), and the left end and the right end of the bottom beam (22) are respectively provided with one traveling wheel (4).
4. The lower supporting roll step plate hoisting tool of the four-high rolling mill as claimed in claim 3, wherein the middle parts of the two supporting upright columns (21) of each supporting frame (2) are welded with supporting beams (23); and a connecting cross beam (24) is welded between the bottom beam (22) and the other bottom beam (22).
5. A hoisting method of a hoisting tool for a stepped plate of a lower supporting roller of a four-roller rolling mill is characterized by comprising the following steps:
1) firstly, leading out a working roll and a lower supporting roll of the four-roll mill;
2) removing other parts such as an upper cover plate and bolts of a lower support roller step plate (7) of the four-high rolling mill;
3) placing a traveling wheel (4) of a lower support roller step plate hoisting tool of a four-high rolling mill as claimed in any one of claims 1 to 4 on a lower support roller transverse moving track (5), then arranging a lifting device (8) on a lifting lug (3), then moving the tool to the position of a lower support roller step plate (7) in a rolling mill frame (6), and hoisting the lower support roller step plate (7) by using the lifting device (8);
4) transversely moving the tool with the lower support roller step plate (7) hung on the tool to the outer side of the rolling mill frame (6), and hoisting the lower support roller step plate (7) by using a lifting hook (9) of a travelling crane to carry out the transportation;
5) and the procedure of reloading the new lower support roller step plate (7) is opposite to the above steps.
6. The hoisting method of the hoisting tool for the lower supporting roll stepped plate of the four-high rolling mill as claimed in claim 5, wherein the lifting device (8) is a chain block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177943.0A CN110759232A (en) | 2019-11-27 | 2019-11-27 | Hoisting tool and hoisting method for lower support roller stepped plate of four-roller type rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911177943.0A CN110759232A (en) | 2019-11-27 | 2019-11-27 | Hoisting tool and hoisting method for lower support roller stepped plate of four-roller type rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110759232A true CN110759232A (en) | 2020-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911177943.0A Pending CN110759232A (en) | 2019-11-27 | 2019-11-27 | Hoisting tool and hoisting method for lower support roller stepped plate of four-roller type rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110759232A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705986A (en) * | 2020-05-07 | 2020-09-25 | 中建材创新科技研究院有限公司 | Prefabricated floor slab installation method |
-
2019
- 2019-11-27 CN CN201911177943.0A patent/CN110759232A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705986A (en) * | 2020-05-07 | 2020-09-25 | 中建材创新科技研究院有限公司 | Prefabricated floor slab installation method |
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