CN210973590U - Four high rolling mill lower backup roll step plate hoist and mount frocks - Google Patents
Four high rolling mill lower backup roll step plate hoist and mount frocks Download PDFInfo
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- CN210973590U CN210973590U CN201922089801.0U CN201922089801U CN210973590U CN 210973590 U CN210973590 U CN 210973590U CN 201922089801 U CN201922089801 U CN 201922089801U CN 210973590 U CN210973590 U CN 210973590U
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- high rolling
- support frame
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Abstract
The utility model discloses a four-high rolling mill lower support roll stepped plate hoisting tool, the four-high rolling mill comprises a rolling mill frame, the lower part of the rolling mill frame is provided with a lower support roll transverse roller way, and the four-high rolling mill lower support roll stepped plate hoisting tool is characterized by comprising a hanging beam, a support frame and a traveling wheel; 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 utility model discloses to the inconvenient dismantlement of lower support roller ladder plate and the technical problem of installation of the four high rolling mill that exist at present, the activity duration is short, and is efficient, and the security is good.
Description
Technical Field
The utility model belongs to the field of machinery, concretely relates to four high roll mill bottom suspension roller ladder board hoist and mount frocks.
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.
SUMMERY OF THE UTILITY MODEL
The technical problem of the inconvenient dismantlement of lower support roll ladder plate and installation to the four high rolling mill that exist among the background art, the utility model provides a back-up roll ladder plate hoist and mount frock under four high rolling mill effectively solves demolising and the hoist and mount difficult problem in the installation construction of four high rolling mill lower support roll ladder plate, and the activity duration is short, and is efficient, and the security is good.
The utility model provides a technical problem's technical scheme as follows:
the utility model relates to a four high rolling mill bottom suspension roller step plate hoist and mount frocks, the four high rolling mill includes the rolling mill frame, and the rolling mill frame lower part is provided with bottom suspension roller sideslip roll table, and its characteristics are, hoist and mount frocks include hanging beam, support frame and walking wheel; 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 utility model, hanging beam and support frame are made by channel-section steel and/or H shaped steel.
As the utility model discloses technical scheme's further improvement, the support frame is three horn shapes, and it includes two spinal branch daggers, floorbar, the equal welded fastening in the bottom of hanging beam in top of two spinal branch daggers, the bottom of two spinal branch daggers respectively with the last surface weld of floorbar fixed, both ends set up one respectively about the bottom of floorbar the walking wheel.
As a further improvement of the technical proposal of the utility model, a support beam is welded in the middle of two support columns of each support frame; and a connecting cross beam is welded between the bottom beam and the other bottom beam.
The utility model provides another technical scheme of technical problem does:
the utility model relates to a hoisting method of four high rolling mill bottom suspension roller step board hoist and mount frocks, its characteristics are, including following step:
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 utility model, elevating gear is chain block.
Compared with the prior art, four high rolling mill bottom suspension roller ladder board hoist and mount frocks, its simple structure is practical, the preparation is swift, convenient operation, the operation is reliable safety. 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 will be further explained with reference to the drawings and the detailed description below:
fig. 1 is a schematic structural view of a lower support roller step plate hoisting tool of a four-high rolling mill of the present invention;
fig. 2 is a schematic view of a hoisting method of the hoisting tool for the lower supporting roll stepped plate of the four-high rolling mill of the present 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 utility model relates to a four-high rolling mill lower support roll step plate hoisting tool, the four-high rolling mill comprises a rolling mill frame 6, the lower part of the rolling mill frame 6 is provided with a lower support roll transverse roller way 5, and the four-high rolling mill lower support roll step plate hoisting tool is characterized in that the hoisting tool comprises a hanging beam 1, a support 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 utility model relates to a hoisting method of four high rolling mill bottom suspension roller step board hoist and mount frocks, its characteristics are, including following step:
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 is only a 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 should be covered by 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 (4)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922089801.0U CN210973590U (en) | 2019-11-27 | 2019-11-27 | Four high rolling mill lower backup roll step plate hoist and mount frocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922089801.0U CN210973590U (en) | 2019-11-27 | 2019-11-27 | Four high rolling mill lower backup roll step plate hoist and mount frocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210973590U true CN210973590U (en) | 2020-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922089801.0U Active CN210973590U (en) | 2019-11-27 | 2019-11-27 | Four high rolling mill lower backup roll step plate hoist and mount frocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210973590U (en) |
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2019
- 2019-11-27 CN CN201922089801.0U patent/CN210973590U/en active Active
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