CN114535305B - Auxiliary device and method for roll replacement of roll stand - Google Patents
Auxiliary device and method for roll replacement of roll stand Download PDFInfo
- Publication number
- CN114535305B CN114535305B CN202111581165.9A CN202111581165A CN114535305B CN 114535305 B CN114535305 B CN 114535305B CN 202111581165 A CN202111581165 A CN 202111581165A CN 114535305 B CN114535305 B CN 114535305B
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- Prior art keywords
- swing arm
- roller
- tilting
- driving piece
- roll
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Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000008859 change Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a roll stand roll changing auxiliary device and a roll changing method, comprising the following steps: the tilting mechanism comprises a tilting frame, tilting supports, a tilting driving piece and a tilting driving piece base, wherein the two tilting supports are oppositely arranged and are positioned at the side of the supporting table, a hinge shaft is arranged between the two tilting supports, the tilting frame is hinged to the tilting supports, the tilting frame comprises a first supporting surface and a second supporting surface which are mutually perpendicular, the bottom of the first supporting surface is provided with an upright limiting base, one end of the tilting driving piece is connected to the tilting driving piece base, the other end of the tilting driving piece is hinged to the tilting supports, and the tilting mechanism further comprises a rotation limiting base for limiting the rotation angle of the tilting frame; the dragging mechanism comprises a swing arm assembly, a swing arm base, a swing arm driving piece and a swing arm driving piece base, wherein one end of the swing arm assembly is provided with a swing arm pin hole, the other end of the swing arm assembly is connected to the swing arm base, one end of the swing arm driving piece is connected to the swing arm assembly, and the other end of the swing arm driving piece is connected to the swing arm driving piece base.
Description
Technical Field
The invention belongs to the technical field of section steel production equipment, and particularly relates to a roll stand roll changing auxiliary device and a roll changing method.
Background
The side-out type continuous tube mill is one of the most advanced continuous rolling equipment for seamless steel tubes at present, a roller frame is the most main production tool, and after the roller is worn to a certain extent, the roller is required to be detached from the roller frame for processing or replaced by a new roller, and the operation is generally carried out once in 2 days and more frequently. The roll stand is limited by the structure of the roll stand, and the roll stand needs to be operated after being leveled. At present, a roller frame is generally lifted by a crane through a lifting appliance, is flattened through manual thrust, and then a swinging lever in the roller frame is disconnected with a balance cylinder in the roller frame to take out the roller. The method has the advantages of high labor intensity and high risk, and the lifting appliance has a harmful torsion force on the roller rack in the process of putting down the roller rack, so that the roller rack is greatly damaged. There is therefore a need for an auxiliary device to solve this problem.
Disclosure of Invention
In order to solve the above-mentioned problems occurring in the prior art, in one aspect of the present invention, there is provided a roll stand roll-changing assisting apparatus including a support table, a tilting mechanism and a dragging mechanism, wherein,
the tilting mechanism comprises a tilting frame, tilting supports, a tilting driving piece and a tilting driving piece base, wherein the two tilting supports are oppositely arranged and are positioned at the side of the supporting table, a hinge shaft is arranged between the two tilting supports, the tilting frame is hinged to the two tilting supports, the tilting frame comprises a first supporting surface and a second supporting surface which are mutually perpendicular, the first supporting surface is matched with the side surface of the roller frame, the second supporting surface is matched with the end surface of the roller frame, two vertical limiting bases are arranged at the bottom of the first supporting surface, one end of the tilting driving piece is connected with the tilting driving piece base, the other end of the tilting driving piece is hinged to the two tilting supports, and the tilting mechanism further comprises a rotary limiting base for limiting the rotation angle of the tilting frame;
the dragging mechanism comprises a swing arm assembly, a swing arm base, a swing arm driving piece and a swing arm driving piece base, wherein one end of the swing arm assembly is provided with a swing arm pin hole for connecting a roller swing lever in a roller rack, the other end of the swing arm is connected with the swing arm base, one end of the swing arm driving piece is connected with the swing arm assembly, and the other end of the swing arm driving piece is connected with the swing arm driving piece base.
Preferably, in the above roller stand roller change auxiliary device, the swing arm assembly includes a first swing arm and a second swing arm, one end of the first swing arm is provided with a swing arm pin hole for connecting a roller swing lever in the roller stand, the other end is connected to one end of the second swing arm through a first hinge pin, and the other end of the second swing arm is connected to the swing arm base.
Preferably, in the roll-changing auxiliary device for roll stand, the roll-over driving member is a first hydraulic cylinder, a cylinder body of the first hydraulic cylinder is connected to the roll-over driving member base, and a piston rod of the first hydraulic cylinder is hinged to the two roll-over supports.
Preferably, in the roll stand roll-changing auxiliary device, the swing arm driving member is a second hydraulic cylinder, a cylinder body of the second hydraulic cylinder is connected to the swing arm driving member base, and a piston rod of the second hydraulic cylinder is hinged to the swing arm assembly.
Preferably, in the auxiliary device for roll changing of a roll stand, after the swing arm pin hole on the swing arm assembly is connected with the pin hole of the roll swing lever in the roll stand, the swing arm pin hole, the pin hole of the roll swing lever and the pin shaft matched with the swing arm pin hole are fixed through the shaft end baffle.
In order to solve the above-mentioned problems in the prior art, in another aspect of the present invention, there is also provided a roll changing method of a roll changing auxiliary device for a roll stand, the method comprising the steps of:
s1: placing the roll stand on the tipping stand, attaching the side surface of the roll stand to a first supporting surface of the tipping stand, and attaching the end surface of the roll stand to a second supporting surface of the tipping stand;
s2: starting a tipping driving piece, wherein the tipping driving piece drives a tipping frame to drive a roller frame to rotate along a hinge shaft of a tipping support until the tipping frame contacts a rotation limiting base, the rotation angle is 90 degrees, and the roller frame is placed on a supporting table;
s3: dismantling a balance cylinder in a roller rack and a connecting pin shaft of a roller swing lever in the roller rack, and connecting a swing arm pin hole on a swing arm assembly in a dragging mechanism and a pin shaft matched with the swing arm pin hole to a pin hole on a roller swing arm lever in the roller rack;
s4: opening a swing arm driving piece, wherein the swing arm driving piece drives a swing arm assembly to drive a roller swing lever and a roller connected to the roller swing lever to be pulled out from a roller rack, and placing the roller swing lever and the roller connected to the roller swing lever on a supporting table;
s5: the rollers connected to the roller swinging lever are disassembled, and the two rollers remained in the roller rack are removed in sequence by driving and transferring away;
s6: two new rollers are sequentially arranged on a roller rack, one new roller is arranged on a roller swinging lever, a swinging arm driving piece is started, and the swinging arm driving piece drives a swinging arm assembly to drive the roller swinging lever to be placed in the roller rack together with the new roller;
s7: and separating a swing arm pin hole on a swing arm assembly in the dragging mechanism from a pin hole of a roller swing lever, and connecting the roller swing lever with a balance cylinder in a roller rack, so that roller changing of the roller rack roller changing auxiliary device is completed.
According to the roll stand roll-changing auxiliary device and the roll-changing method, the roll stand is placed flat through the tipping stand instead of the existing mode of manually and directly placing the roll stand flat with the aid of the travelling crane lifting appliance, so that the roll stand is protected, the labor intensity is reduced, the efficiency is improved, meanwhile, the roll swinging lever in the roll stand is pulled out to the supporting stand through the dragging mechanism, then the roll is detached, and the installation and the detachment of the roll are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the roll stand roll change assisting apparatus of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view showing a structure of the roll stand roll-changing auxiliary device according to the present invention after rotation.
Reference numerals illustrate: 10-supporting table, 20-tilting mechanism, 21-tilting frame, 22-tilting support, 23-tilting driver, 24-tilting driver base, 25-vertical limit base, 26-rotation limit base, 30-dragging mechanism, 31-swing arm assembly, 31.1-first swing arm, 31.2 second swing arm, 32-swing arm base, 33-swing arm driver, 34-swing arm driver base, 35-shaft end baffle, 40-roller frame, 41-roller swing lever, 42-balance cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below in connection with specific embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in the drawings, the roll stand roll-changing auxiliary device of the present invention includes a support stand 10 for supporting a roll stand 40, a tilting mechanism 20 for driving the roll stand 40 to tilt, and a dragging mechanism 30 for dragging the roll stand 40.
The tilting mechanism 20 comprises a tilting frame 21, tilting supports 22, a tilting driving member 23 and a tilting driving member base 24, wherein the two tilting supports 22 are oppositely arranged and are positioned at the side of the supporting table 10, a hinge shaft is arranged between the two tilting supports 22, the tilting frame 21 is hinged to the two tilting supports 22 and is used for placing the roll frame 40, the tilting frame 21 comprises a first supporting surface and a second supporting surface which are mutually perpendicular, the first supporting surface is matched with the side surface of the roll frame 40, the second supporting surface is matched with the end surface of the roll frame 40, two vertical limiting bases 25 are arranged at the bottom of the first supporting surface, one end of the tilting driving member 23 is connected to the tilting driving member base 24, the other end of the tilting driving member 23 is hinged to the two tilting supports 22, and the tilting mechanism 20 further comprises a rotation limiting base 26 used for limiting the rotation angle of the tilting frame 21.
The dragging mechanism 30 comprises a swing arm assembly 31, a swing arm base 32, a swing arm driving piece 33 and a swing arm driving piece base 34, wherein one end of the swing arm assembly 31 is provided with a swing arm pin hole for connecting a roller swing lever 41 in a roller rack 40, the other end of the swing arm assembly 31 is connected to the swing arm base 34, one end of the swing arm driving piece 33 is connected to the swing arm assembly 31, and the other end of the swing arm driving piece 31 is connected to the swing arm driving piece base 34.
According to the roll stand roll-changing auxiliary device, a roll stand is rotatably placed on a supporting table 10 through a tilting mechanism 20, a balance cylinder 42 in the roll stand 40 and a connecting pin shaft of a roll swinging lever 41 in the roll stand 40 are removed, a swing arm pin hole in a swing arm assembly 31 in a dragging mechanism 30 and a pin shaft matched with the swing arm pin hole are connected to the pin hole of the roll swinging lever 41 in the roll stand 40, then the swing arm assembly 31 is driven by a swing arm driving piece 33 to drive the roll swinging lever 41 and a roll connected to the roll swinging lever 41 to be pulled out of the roll stand, the roll stand is placed on the supporting table 10, the roll is detached from the roll swinging lever 41, at the moment, the rest 2 rolls on the roll stand 40 have detaching spaces, and the rest rolls are detached in sequence. After the disassembly is finished, 2 new rollers are assembled to the roller frame 40 in sequence, 1 new roller is installed to the roller swinging lever 41, the swinging arm driving piece 33 drives the swinging arm assembly 31 to drive the roller swinging lever 41 to be placed on the roller frame 40 together with the roller, the swinging arm pin hole on the swinging arm assembly 31 in the dragging mechanism 30 is separated from the pin hole of the roller swinging lever 41, and the roller swinging lever 41 is connected with the balance cylinder 42 in the roller frame 40. Further, in order to prevent the swing arm pin hole on the swing arm assembly 31 and the pin hole of the roll swing lever 41 from being separated during the dragging, the swing arm pin hole and the pin hole of the roll swing lever 41 and the pin shaft matched with the swing arm pin hole and the pin hole are fixed through the shaft end baffle 35.
As a specific embodiment, in the roll stand roll-changing auxiliary device of the present invention, the swing arm assembly 31 includes a first swing arm 31.1 and a second swing arm 31.2, one end of the first swing arm 31.1 is provided with a swing arm pin hole for connecting the roll swing lever 41 in the roll stand 40, the other end of the first swing arm 31.1 is connected to one end of the second swing arm 31.2 through a first hinge pin, and the other end of the second swing arm 31.2 is connected to the swing arm base 34.
Preferably, in the roll-stand roll-change assisting device of the invention, the roll-over driving member 23 is a first hydraulic cylinder, in particular, the cylinder body of which is connected to the roll-over driving member base 24, the piston rod of which is hinged to the two roll-over holders 22.
Preferably, in the roll stand roll-changing auxiliary device of the present invention, the swing arm driving member 33 is a second hydraulic cylinder, specifically, a cylinder body of the second hydraulic cylinder is connected to the swing arm driving member base 34, and a piston rod of the second hydraulic cylinder is connected to the swing arm assembly 31.
The roll changing method of the roll stand roll changing auxiliary device comprises the following steps:
s1: placing the roll stand 40 on the tipping stand 21, attaching the side surface of the roll stand 40 to a first supporting surface of the tipping stand 21, and attaching the end surface of the roll stand 40 to a second supporting surface of the tipping stand 21;
s2: turning on the tipping driving piece 23, and driving the tipping frame 21 to drive the roller frame 40 to rotate along the hinge axis of the tipping support 22 by the tipping driving piece 23 until the tipping frame 21 contacts the rotation limiting base 26, wherein the rotation angle is 90 degrees, and the roller frame 40 is placed on the supporting table 10;
s3: dismantling a balance cylinder 42 in the roller rack 40 and a connecting pin shaft of a roller swing lever 41 in the roller rack 40, and connecting a swing arm pin hole on a swing arm assembly 31 in the dragging mechanism 30 and a pin shaft matched with the swing arm pin hole to a pin hole on the roller swing lever 41 in the roller rack 40;
s4: opening the swing arm driving piece 33, wherein the swing arm driving piece 33 drives the swing arm assembly 31 to drive the roller swing lever 41 to be pulled out of the roller rack together with the roller connected to the roller swing lever 41, and the roller swing lever 41 and the roller connected to the roller swing lever 41 are placed on the supporting table 10;
s5: the rollers connected to the roller swing lever 41 are disassembled, and the two rollers remained in the roller frame 40 are removed in sequence by driving and transferring away;
s6: two new rolls are sequentially arranged on a roll stand 40, one new roll is arranged on a roll swinging lever 41, a swinging arm driving piece 33 is started, and the swinging arm driving piece 33 drives a swinging arm assembly 31 to drive the roll swinging lever 41 to be placed in the roll stand 40 together with the new roll;
s7: the swing arm pin hole on the swing arm assembly 31 in the dragging mechanism 30 is separated from the pin hole of the roller swing lever 41, and the roller swing lever 41 is connected with the balance cylinder 42 in the roller stand 40, so that the roller change of the roller stand roller change auxiliary device is completed.
According to the roll stand roll-changing auxiliary device and the roll-changing method, the roll stand is placed flat through the tipping stand instead of the existing mode of manually and directly placing the roll stand flat with the aid of the travelling crane lifting appliance, so that the roll stand is protected, the labor intensity is reduced, the efficiency is improved, meanwhile, the roll swinging lever in the roll stand is pulled out to the supporting stand through the dragging mechanism, then the roll is detached, and the installation and the detachment of the roll are facilitated.
It should be noted that, in this document, the term "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Meanwhile, the term "connected" and the like as used herein should be construed broadly, and may be fixedly connected, detachably connected, directly connected, or indirectly connected through an intermediate member. In this context, "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are referred to the placed state shown in the drawings.
It should also be noted that the above embodiments are merely for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. A roll-changing auxiliary device of a roll stand is characterized by comprising a supporting table, a tilting mechanism and a dragging mechanism, wherein,
the tilting mechanism comprises a tilting frame, tilting supports, a tilting driving piece and a tilting driving piece base, wherein the two tilting supports are oppositely arranged and are positioned at the side of the supporting table, a hinge shaft is arranged between the two tilting supports, the tilting frame is hinged to the two tilting supports, the tilting frame comprises a first supporting surface and a second supporting surface which are mutually perpendicular, the first supporting surface is matched with the side surface of the roller frame, the second supporting surface is matched with the end surface of the roller frame, two vertical limiting bases are arranged at the bottom of the first supporting surface, one end of the tilting driving piece is connected with the tilting driving piece base, the other end of the tilting driving piece is hinged to the two tilting supports, and the tilting mechanism further comprises a rotary limiting base for limiting the rotation angle of the tilting frame;
the dragging mechanism comprises a swing arm assembly, a swing arm base, a swing arm driving piece and a swing arm driving piece base, wherein one end of the swing arm assembly is provided with a swing arm pin hole for connecting a roller swing lever in a roller rack, the other end of the swing arm assembly is connected with the swing arm base, one end of the swing arm driving piece is connected with the swing arm assembly, and the other end of the swing arm driving piece is connected with the swing arm driving piece base;
the swing arm assembly comprises a first swing arm and a second swing arm, one end of the first swing arm is provided with a swing arm pin hole and is used for being connected with a roller swing lever in the roller rack, the other end of the first swing arm is connected with one end of the second swing arm through a first hinge pin, and the other end of the second swing arm is connected with the swing arm base;
after the swing arm pin hole on the swing arm assembly is connected with the pin hole of the roller swing lever in the roller rack, the swing arm pin hole, the pin hole of the roller swing lever and a pin shaft matched with the swing arm pin hole are fixed through a shaft end baffle.
2. The roll-changing auxiliary device for roll stand of claim 1, wherein the roll-over driving member is a first hydraulic cylinder, a cylinder body of the first hydraulic cylinder is connected to the roll-over driving member base, and a piston rod of the first hydraulic cylinder is hinged to two roll-over supports.
3. The roll-changing auxiliary device for roll stand of claim 1, wherein the swing arm driving member is a second hydraulic cylinder, a cylinder body of the second hydraulic cylinder is connected to the swing arm driving member base, and a piston rod of the second hydraulic cylinder is hinged to the swing arm assembly.
4. A roll changing method of a roll changing auxiliary device of a roll stand according to any one of claims 1-3, characterized in that the method comprises the steps of:
s1: placing the roll stand on the tipping stand, attaching the side surface of the roll stand to a first supporting surface of the tipping stand, and attaching the end surface of the roll stand to a second supporting surface of the tipping stand;
s2: starting a tipping driving piece, wherein the tipping driving piece drives a tipping frame to drive a roller frame to rotate along a hinge shaft of a tipping support until the tipping frame contacts a rotation limiting base, the rotation angle is 90 degrees, and the roller frame is placed on a supporting table;
s3: dismantling a balance cylinder in a roller rack and a connecting pin shaft of a roller swing lever in the roller rack, and connecting a swing arm pin hole on a swing arm assembly in a dragging mechanism and a pin shaft matched with the swing arm pin hole to a pin hole on a roller swing arm lever in the roller rack;
s4: opening a swing arm driving piece, wherein the swing arm driving piece drives a swing arm assembly to drive a roller swing lever and a roller connected to the roller swing lever to be pulled out from a roller rack, and placing the roller swing lever and the roller connected to the roller swing lever on a supporting table;
s5: the rollers connected to the roller swinging lever are disassembled, and the two rollers remained in the roller rack are removed in sequence by driving and transferring away;
s6: two new rollers are sequentially arranged on a roller rack, one new roller is arranged on a roller swinging lever, a swinging arm driving piece is started, and the swinging arm driving piece drives a swinging arm assembly to drive the roller swinging lever to be placed in the roller rack together with the new roller;
s7: and separating a swing arm pin hole on a swing arm assembly in the dragging mechanism from a pin hole of a roller swing lever, and connecting the roller swing lever with a balance cylinder in a roller rack, so that roller changing of the roller rack roller changing auxiliary device is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581165.9A CN114535305B (en) | 2021-12-22 | 2021-12-22 | Auxiliary device and method for roll replacement of roll stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111581165.9A CN114535305B (en) | 2021-12-22 | 2021-12-22 | Auxiliary device and method for roll replacement of roll stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114535305A CN114535305A (en) | 2022-05-27 |
| CN114535305B true CN114535305B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111581165.9A Active CN114535305B (en) | 2021-12-22 | 2021-12-22 | Auxiliary device and method for roll replacement of roll stand |
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| Country | Link |
|---|---|
| CN (1) | CN114535305B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212460Y (en) * | 1995-02-27 | 1995-11-15 | 冶金工业部北京冶金设备研究院 | Tipping type horizontal-vertical changeable rolling mills |
| JPH09295014A (en) * | 1996-05-01 | 1997-11-18 | Nippon Steel Corp | Universal rolling mill |
| CN2488617Y (en) * | 2001-04-24 | 2002-05-01 | 广东省韶关钢铁集团有限公司 | Roll changer for rolling mill |
| CN103084444A (en) * | 2013-01-25 | 2013-05-08 | 大连三高科技发展有限公司 | Roll changing device of cold roll forming quick-changing rack |
| CN108927410A (en) * | 2018-07-18 | 2018-12-04 | 邯郸钢铁集团有限责任公司 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill and its roll-changing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013224633A1 (en) * | 2013-01-14 | 2014-07-17 | Sms Siemag Ag | Casting rolling mill and method for removing and installing rolls in a reduction stand of the casting rolling mill |
-
2021
- 2021-12-22 CN CN202111581165.9A patent/CN114535305B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212460Y (en) * | 1995-02-27 | 1995-11-15 | 冶金工业部北京冶金设备研究院 | Tipping type horizontal-vertical changeable rolling mills |
| JPH09295014A (en) * | 1996-05-01 | 1997-11-18 | Nippon Steel Corp | Universal rolling mill |
| CN2488617Y (en) * | 2001-04-24 | 2002-05-01 | 广东省韶关钢铁集团有限公司 | Roll changer for rolling mill |
| CN103084444A (en) * | 2013-01-25 | 2013-05-08 | 大连三高科技发展有限公司 | Roll changing device of cold roll forming quick-changing rack |
| CN108927410A (en) * | 2018-07-18 | 2018-12-04 | 邯郸钢铁集团有限责任公司 | A kind of hydraulic Quick roll-changing device of jobbing sheet-rolling mill and its roll-changing method |
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| Publication number | Publication date |
|---|---|
| CN114535305A (en) | 2022-05-27 |
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