CN116441318A - Rolling mill roll changing device - Google Patents
Rolling mill roll changing device Download PDFInfo
- Publication number
- CN116441318A CN116441318A CN202310383252.6A CN202310383252A CN116441318A CN 116441318 A CN116441318 A CN 116441318A CN 202310383252 A CN202310383252 A CN 202310383252A CN 116441318 A CN116441318 A CN 116441318A
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- China
- Prior art keywords
- longitudinal rail
- rolling mill
- frame body
- cover plate
- roll
- 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
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- 238000005096 rolling process Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Classifications
-
- 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
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
- B21B31/103—Manipulators or carriages therefor
-
- 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
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a rolling mill roll changing device, which relates to the technical field of steel rolling, and comprises a frame body, a first cover plate, a working roll transfer train, a chassis structure and a hydraulic cylinder; the frame body is connected to the underframe structure in a sliding way; the hydraulic cylinder is arranged on the underframe structure; the hydraulic cylinder is used for driving the frame body to slide relative to the underframe structure so as to enable the first cover plate and the supporting roller connected with the frame body to move along the direction away from the rolling mill; the frame body is provided with a first longitudinal rail; the underframe structure is provided with a second longitudinal rail; the hydraulic cylinders are used to drive the carriage to slide relative to the chassis structure to align the first longitudinal rail with the second longitudinal rail, and the work roll transfer train is used to replace the work rolls and move on the aligned second longitudinal rail and first longitudinal rail. Compared with the prior art, the roll changing device of the rolling mill solves the problem that a large cover plate is required to be manually lifted when the rolling mill changes a supporting roll, and improves the automation level and the production efficiency of the roll changing process of the rolling mill.
Description
Technical Field
The invention relates to the technical field of steel rolling, in particular to a roller changing device of a rolling mill.
Background
At present, a plurality of hot continuous rolling production lines are established according to the product positioning of the steel enterprises and are used for producing hot rolled strip products with the thickness of 1.2-25.4mm, so that the requirements of the market on the fields of bridge structural steel, offshore drilling platform structural steel, container cylinders, mechanical structural steel, die steel, automobile steel, pipeline steel, dual-phase steel and the like are met.
The roughing mill is core area equipment of a hot continuous rolling production line, for example, a four-roller roughing mill can ensure the quality of products by replacing rollers through a roller replacing device frequently, however, the existing roller replacing device needs to manually lift a large-sized cover plate when a supporting roller is replaced, the roller replacing is time-consuming and labor-consuming, the operation process is complex, and the automation level and the production efficiency of the roller replacing process of the four-roller roughing mill are low.
Disclosure of Invention
The invention aims to solve the problems that: how to improve the automation level and the production efficiency of the roughing mill roller changing process.
The invention provides a roll changing device of a rolling mill, which comprises: the device comprises a frame body, a first cover plate, a working roll transfer train, a chassis structure and a hydraulic cylinder; the frame body is connected to the underframe structure in a sliding manner and is used for being connected with the supporting roller; the hydraulic cylinder is arranged on the underframe structure, and the telescopic end of the hydraulic cylinder is connected with the frame body; the first cover plate is arranged on the frame body, and the hydraulic cylinder is used for driving the frame body to slide relative to the underframe structure so as to enable the first cover plate and the supporting roller connected with the frame body to move along the direction away from the rolling mill; the frame body is provided with a first longitudinal rail; the underframe structure is provided with a second longitudinal rail, and the second longitudinal rail and the first longitudinal rail are positioned on the same plane; the hydraulic cylinder is used for driving the frame body to slide relative to the underframe structure so as to align the first longitudinal rail with the second longitudinal rail, and the working roll transfer train is used for replacing working rolls and moves on the aligned second longitudinal rail and first longitudinal rail.
Compared with the prior art, the roll changing device of the rolling mill has the following beneficial effects:
according to the rolling mill roll changing device, when a working roll is required to be replaced, the frame body is driven to move through the hydraulic cylinder, so that the first longitudinal rail is aligned with the second longitudinal rail, the first cover plate is abutted against one side of the working roll, the working roll transferring train can take out an old working roll from the rolling mill on the first longitudinal rail, the first cover plate plays a role of supporting the working roll in the process of taking out the old working roll from the rolling mill, then the working roll transferring train can transport the old working roll to a designated position, when a new working roll is replaced, the working roll transferring train can receive a new working roll from the end part of the second longitudinal rail far from the first longitudinal rail, then the new working roll is driven to move towards the direction close to the first longitudinal rail, and after the first working roll transferring train moves to the first longitudinal rail, the new working roll can be pushed into the rolling mill, and in the process, the first cover plate plays the role of supporting the working roll; when the support roller needs to be replaced, the support roller is firstly connected to the frame body, then the frame body, the first cover plate and the support roller are driven by the hydraulic cylinder to move along the direction away from the rolling mill, and after the support roller is moved to a roller replacing position, the support roller can be lifted by the crown block, so that the operation of replacing the support roller is completed; in the prior art, the first cover plate is in a fixed state, and if the supporting roller needs to be replaced, the cover plate needs to be manually lifted so as to give up the roller replacing space of the supporting roller, the supporting roller replacing is time-consuming and labor-consuming, and the operation process is complex, so that the automation level and the production efficiency of the roughing roller replacing process are lower. Compared with the prior art, the roller replacing device of the rolling mill solves the problem that a large cover plate is required to be manually lifted when a roughing mill replaces a supporting roller, so that the roller replacing time is shorter, the operation is simpler, and the automation level and the production efficiency of the roller replacing process of the roughing mill are improved.
Optionally, a first transverse rail is arranged on the underframe structure, and the frame body is connected to the first transverse rail in a sliding manner.
Optionally, the roll changing device of the rolling mill further comprises a sliding seat, wherein the sliding seat is used for installing the supporting roll, the sliding seat is connected to the frame body, and the sliding seat is used for sliding on the first transverse track.
Optionally, the frame body is connected with the sliding seat through a key.
Optionally, the telescopic end of the hydraulic cylinder is used for being connected to the sliding seat through a clamping plate.
Optionally, a second transverse rail is disposed on the first cover plate, the extending direction of the second transverse rail is perpendicular to the extending directions of the first longitudinal rail and the second longitudinal rail, and the working roller is used for sliding on the second transverse rail to push or pull the rolling mill.
Optionally, two sections of the second longitudinal rails are arranged on the underframe structure at intervals, and the hydraulic cylinder is used for driving the underframe structure to slide relative to the underframe structure so as to move the first longitudinal rail between the two sections of the second longitudinal rails.
Optionally, the roll changing device of the rolling mill further comprises a second cover plate, wherein the second cover plate is connected to the foundation through an upright post, a third transverse track for transferring the working roll is arranged on the second cover plate, and the third transverse track is used for transporting the working roll to a polishing station.
Optionally, the extending direction of the first longitudinal rail and the second longitudinal rail is parallel to the rolling direction of the rolling mill.
Optionally, the underframe structure is used for being connected on the foundation through foundation bolts.
Drawings
FIG. 1 is a schematic view of a roll changing apparatus of a rolling mill according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a roll changing apparatus of a rolling mill according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a roll changing apparatus of a rolling mill according to an embodiment of the present invention.
Reference numerals illustrate:
1. a frame body; 11. a first longitudinal rail; 2. a first cover plate; 3. transferring a train by a working roller; 4. a chassis structure; 41. a second longitudinal rail; 5. a hydraulic cylinder; 6. a slide; 7. a second cover plate; 100. a support roller; 200. a work roll.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer", etc. are used for convenience of description of the present invention based on the directions or positional relationships shown in the drawings, and are not intended to indicate or imply that the apparatus to be referred to must have a specific direction, be configured and manipulated in a specific direction, and thus should not be construed as limiting the scope of protection of the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
Moreover, in the drawings, the Z axis represents vertical, i.e., up and down, and the positive direction of the Z axis (i.e., the arrow of the Z axis points) represents up, and the negative direction of the Z axis (i.e., the direction opposite to the positive direction of the Z axis) represents down; the X-axis in the drawing represents the lateral direction, i.e., the left-right position, and the positive direction of the X-axis (i.e., the arrow of the X-axis points) represents the right, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the left; the Y-axis in the drawing shows the longitudinal direction, i.e., the front-to-back position, and the positive direction of the Y-axis (i.e., the arrow pointing in the Y-axis) shows the front, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) shows the back.
It should also be noted that the foregoing X-axis, Y-axis, and Z-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented or configured in a particular orientation and operation and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a roll changing device for a rolling mill according to an embodiment of the present invention includes: the device comprises a frame body 1, a first cover plate 2, a working roll transfer train 3, an underframe structure 4 and a hydraulic cylinder 5; the frame body 1 is slidably connected to the underframe structure 4, and the frame body 1 is used for being connected with a supporting roller 100; the hydraulic cylinder 5 is arranged on the underframe structure 4, and the telescopic end of the hydraulic cylinder 5 is connected with the frame body 1; the first cover plate 2 is arranged on the frame body 1, and the hydraulic cylinder 5 is used for driving the frame body 1 to slide relative to the underframe structure 4 so as to enable the first cover plate 2 and the supporting roll 100 connected with the frame body 1 to move together in a direction away from a rolling mill; the frame body 1 is provided with a first longitudinal rail 11; a second longitudinal rail 41 is arranged on the underframe structure 4, and the second longitudinal rail 41 and the first longitudinal rail 11 are positioned on the same plane; the hydraulic cylinders 5 are used to drive the carriage 1 to slide relative to the undercarriage structure 4 to align the first longitudinal rail 11 with the second longitudinal rail 41, and the work roll transfer train 3 is used to replace work rolls 200 and to move on the aligned second longitudinal rail 41 and first longitudinal rail 11.
In this embodiment, as shown in fig. 1 to 2, when the work roll 200 needs to be replaced, the frame body 1 is driven by the hydraulic cylinder 5 to move so that the first longitudinal rail 11 is aligned with the second longitudinal rail 41, the first cover plate 2 is abutted against one side of the work roll 200, the work roll transfer train 3 can take out the old work roll 200 from the rolling mill on the first longitudinal rail 11, the first cover plate 2 plays a role of supporting the work roll 200 during the process of taking out the old work roll 200 from the rolling mill, then the work roll transfer train 3 can transport the old work roll 200 to a designated position, when the new work roll 200 is replaced, the work roll transfer train 3 can receive the new work roll 200 from the end of the second longitudinal rail 41 away from the first longitudinal rail 11, then move with the new work roll 200 toward a direction approaching the first longitudinal rail 11 (Y-axis direction in fig. 2), and after moving to the first longitudinal rail 11, the work roll transfer train 3 can push the new work roll 200 into the rolling mill, during which the first cover plate 2 plays a role of supporting the work roll 200 as well; referring to fig. 1 and 3, when the support roll 100 needs to be replaced, the support roll 100 is first connected to the frame 1, and then the frame 1, the first cover plate 2 and the support roll 100 are driven by the hydraulic cylinder 5 to move together in a direction away from the rolling mill (X-axis direction in fig. 1 or 3), and after the support roll 100 is moved to the roll replacing position (state shown in fig. 3), the support roll 100 can be lifted by the crown block, so as to complete the replacement operation of the support roll 100; in the prior art, the first cover plate 2 is in a fixed state, if the supporting roller 100 needs to be replaced, the first cover plate 2 needs to be manually lifted so as to give up the roller replacing space of the supporting roller 100, the supporting roller 100 is replaced, the time and the labor are wasted, the operation process is complex, and the automation level and the production efficiency of the roughing mill roller replacing process are low. Compared with the prior art, the roller replacing device of the rolling mill solves the problem that a large cover plate is required to be manually lifted when a roughing mill replaces a supporting roller, so that the roller replacing time is shorter, the operation is simpler, and the automation level and the production efficiency of the roller replacing process of the roughing mill are improved.
It should be noted that, the extending directions of the first longitudinal rail 11 and the second longitudinal rail 41 are the Y-axis direction in fig. 2, that is, "longitudinal" represents the Y-axis direction in fig. 2; and the lateral direction mentioned later represents the X-axis direction in fig. 1 or fig. 3.
Optionally, a first transverse rail is provided on the underframe structure 4, and the frame body 1 is slidably connected to the first transverse rail. The first transverse rail is perpendicular to the longitudinal rails (first longitudinal rail 11 and second longitudinal rail 41).
In this embodiment, as shown in fig. 1 or fig. 3, the underframe structure 4 may be a rectangular frame structure, and the underframe structure 4 may be connected to a foundation (e.g. the ground) by anchor bolts, where a first transverse rail is disposed on the underframe structure 4 along the X-axis direction of fig. 1 or fig. 3, and the bottom of the frame 1 (the opposite direction of the Z-axis in fig. 1 or fig. 3) is slidably connected to the first transverse rail, that is, the frame 1 may move along the first transverse rail, thereby moving toward a direction away from the rolling mill, or aligning the first longitudinal rail 11 with the second longitudinal rail 41.
Optionally, the roll changing device of the rolling mill further comprises a sliding seat 6, wherein the sliding seat 6 is used for installing the supporting roll 100, the sliding seat 6 is connected to the frame body 1, and the sliding seat 6 is used for sliding on the first transverse rail.
In this embodiment, as shown in fig. 1 or fig. 3, the sliding base 6 is slidably connected to the first transverse rail, that is, the sliding base 6 can move along the first transverse rail, the frame 1 and the sliding base 6 can be connected by a key, and the supporting roller 100 can be connected to the sliding base 6 by a bolt.
Optionally, the frame body 1 is connected with the sliding seat 6 through a key.
In this embodiment, as shown in fig. 1 or fig. 3, the frame 1 and the slide 6 may be connected by a key, and the key may be bonded to the slide 6.
Optionally, the telescopic end of the hydraulic cylinder 5 is used for being connected to the sliding seat 6 through a clamping plate.
In this embodiment, the telescopic end of the hydraulic cylinder 5 may be connected to the slide 6 through a clamping plate, that is, when the supporting roller 100 of the rolling mill is replaced, the hydraulic cylinder 5 extends out and is connected with the slide 6 through the clamping plate, so that the frame 1 and the slide 6 are moved away from the rolling mill together, the supporting roller 100 is moved to a roller replacing position, and the crane is used for lifting.
Optionally, a second transverse rail is provided on the first cover plate 2, the extending direction of the second transverse rail is perpendicular to the extending directions of the first longitudinal rail 11 and the second longitudinal rail 41, and the working roller 200 is used for sliding on the second transverse rail to push or pull out the rolling mill.
In the present embodiment, the second lateral rail is disposed on the first deck 2 in the X-axis direction in fig. 1 or 3, and the work rolls 200 are slidable on the second lateral rail, so that the work roll transfer train 3 can push or pull the work rolls 200 into or out of the rolling mill through the second lateral rail when the work rolls 200 are replaced.
Optionally, two sections of the second longitudinal rails 41 are disposed on the underframe structure 4 at intervals, and the hydraulic cylinder 5 is used for driving the frame body 1 to slide relative to the underframe structure 4 so as to move the first longitudinal rail 11 between the two sections of the second longitudinal rails 41.
In this embodiment, as shown in fig. 2, two sections of second longitudinal rails 41 are disposed on the underframe structure 4 at intervals, the two sections of second longitudinal rails 41 may extend to different stations respectively, the interval distance between the two sections of second longitudinal rails 41 is adapted to the size of the first longitudinal rail 11, and after the first longitudinal rail 11 moves between the two sections of second longitudinal rails 41, the two sections of second longitudinal rails 41 may be aligned so as to facilitate the movement of the work roll transfer train 3, i.e. the rails for the work roll transfer train 3 are designed as separate bodies, including two fixed rails (second longitudinal rails 41) and a middle moving rail (first longitudinal rail 11).
Optionally, the roll changing device of the rolling mill further comprises a second cover plate 7, wherein the second cover plate 7 is connected to the foundation through a stand column, the second cover plate 7 is located above the frame body 1, a third transverse track for transferring the working roll 200 is arranged on the second cover plate 7, and the third transverse track is used for transporting the working roll 200 to a polishing station.
In this embodiment, as shown in fig. 1 to 3, the second cover plate is located on the moving path of the work roll transferring train 3, and the work roll transferring train 3 may be moved to be close to the second cover plate 7, so as to transfer the work rolls 200, and the replaced work rolls 200 may be transported to the polishing station by the third transverse track on the second cover plate 7, where the second cover plate 7 is located above the frame 1, and as shown in fig. 3, when the support roll 100 is replaced, the frame 1 will be moved to be directly under the second cover plate 7, and the second cover plate 7 will not interfere with the frame 1, so that the frame 1 passes.
Alternatively, the extension direction of the first and second longitudinal rails 11, 41 is parallel to the rolling direction of the rolling mill.
In this embodiment, as shown in fig. 2, the extending directions of the first longitudinal rail 11 and the second longitudinal rail 41 are parallel to the rolling direction of the rolling mill, that is, the rolling directions of the first longitudinal rail 11, the second longitudinal rail 41 and the rolling direction of the rolling mill are all the Y-axis directions in fig. 2, wherein the front end (the Y-axis forward direction in fig. 2) of the first longitudinal rail 11 is the inlet side, and the rear end (the Y-axis reverse direction in fig. 2) of the first longitudinal rail 11 is the outlet side.
Optionally, the undercarriage structure 4 is adapted to be attached to a foundation by means of anchor bolts.
In this embodiment, as shown in connection with fig. 1, the undercarriage structure 4 may be a frame structure and may be attached to a foundation, which may be the ground, by means of anchor bolts.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Although the invention is disclosed above, the scope of the invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications will fall within the scope of the invention.
Claims (10)
1. A roll changing apparatus for a rolling mill, comprising: the device comprises a frame body (1), a first cover plate (2), a working roll transfer train (3), a chassis structure (4) and a hydraulic cylinder (5); the frame body (1) is connected to the underframe structure (4) in a sliding manner, and the frame body (1) is used for being connected with the supporting roller (100); the hydraulic cylinder (5) is arranged on the underframe structure (4), and the telescopic end of the hydraulic cylinder (5) is connected with the frame body (1); the first cover plate (2) is arranged on the frame body (1), and the hydraulic cylinder (5) is used for driving the frame body (1) to slide relative to the underframe structure (4) so as to enable the first cover plate (2) and the supporting roll (100) connected with the frame body (1) to move together in a direction away from a rolling mill; the frame body (1) is provided with a first longitudinal rail (11); the underframe structure (4) is provided with a second longitudinal rail (41), and the second longitudinal rail (41) and the first longitudinal rail (11) are positioned on the same plane; the hydraulic cylinder (5) is used for driving the frame body (1) to slide relative to the underframe structure (4) so as to align the first longitudinal rail (11) with the second longitudinal rail (41), and the working roll transfer train (3) is used for replacing the working rolls (200) and moves on the aligned second longitudinal rail (41) and first longitudinal rail (11).
2. Roll changing device of a rolling mill according to claim 1, characterized in that the undercarriage structure (4) is provided with a first transverse rail, on which the frame body (1) is slidingly connected.
3. Roll changing device according to claim 2, further comprising a slide (6), on which slide (6) the support roll (100) is mounted, the slide (6) being connected to the frame (1) and the slide (6) being adapted to slide on the first transversal track.
4. A roll changing device for rolling mill according to claim 3, characterized in that the frame (1) is connected to the slide (6) by means of a key.
5. A roll changing device for a rolling mill according to claim 3, characterized in that the telescopic end of the hydraulic cylinder (5) is adapted to be connected to the slide (6) by means of a clamping plate.
6. A roll changing device of a rolling mill according to claim 1, characterized in that the first cover plate (2) is provided with a second transverse rail, the direction of extension of which is arranged perpendicularly with respect to the direction of extension of the first longitudinal rail (11) and the second longitudinal rail (41), the work rolls (200) being adapted to slide on the second transverse rail for pushing in or pulling out the rolling mill.
7. Rolling mill roll changing device according to claim 1, characterized in that the undercarriage structure (4) is provided with two sections of the second longitudinal rail (41) at intervals, the hydraulic cylinder (5) being adapted to drive the carriage (1) to slide in relation to the undercarriage structure (4) for moving the first longitudinal rail (11) between the two sections of the second longitudinal rail (41).
8. The roll changing device of a rolling mill according to claim 1, characterized in that it further comprises a second cover plate (7), said second cover plate (7) being adapted to be connected to a foundation by means of a column, and said second cover plate (7) being positioned above said frame (1), said second cover plate (7) being provided with a third transversal track for transferring said work rolls (200), said third transversal track being adapted to transport said work rolls (200) to a grinding station.
9. A rolling mill roll change device according to claim 1, characterized in that the extension direction of the first longitudinal rail (11) and the second longitudinal rail (41) is parallel to the rolling direction of the rolling mill.
10. Roll changing device of a rolling mill according to claim 1, characterized in that the undercarriage structure (4) is intended to be connected to a foundation by means of anchor bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310383252.6A CN116441318A (en) | 2023-04-12 | 2023-04-12 | Rolling mill roll changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310383252.6A CN116441318A (en) | 2023-04-12 | 2023-04-12 | Rolling mill roll changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116441318A true CN116441318A (en) | 2023-07-18 |
Family
ID=87127075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310383252.6A Pending CN116441318A (en) | 2023-04-12 | 2023-04-12 | Rolling mill roll changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116441318A (en) |
-
2023
- 2023-04-12 CN CN202310383252.6A patent/CN116441318A/en active Pending
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