CN104353677A - Roll table device capable of disassembling and assembling roll body on line and disassembly and assembly method - Google Patents
Roll table device capable of disassembling and assembling roll body on line and disassembly and assembly method Download PDFInfo
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- CN104353677A CN104353677A CN201410571523.1A CN201410571523A CN104353677A CN 104353677 A CN104353677 A CN 104353677A CN 201410571523 A CN201410571523 A CN 201410571523A CN 104353677 A CN104353677 A CN 104353677A
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- roll
- shaft
- bellmouth
- roll shaft
- bed device
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Abstract
The invention discloses a roll table device capable of disassembling and assembling a roll body on line and a disassembly and assembly method. The roll table device comprises a roll shaft and a plurality of roll body pieces, wherein a plurality of groove tables are arranged at the periphery of the roll shaft; a conical hole penetrates through and is formed in any one of the groove tables in the axial direction of the roll shaft; a straight groove penetrating the conical hole is formed in the groove table in a surface opposite to the fixed surface between the groove table and the roll shaft; the width of the straight groove is smaller than the minimum radial width of the conical hole; a plurality of connection plates are arranged on the inner wall of any one of the roll body pieces; a conical shaft matched with the conical hole is arranged at the top end of any one of the connection plates. The roll table device realizes quick on-line replacement of a worn-out roll body of the roll table, meanwhile, greatly reduces the labor intensity of workers, lowers the cost of spare parts, and has the characteristics of simple structure, efficiency in operation and low cost.
Description
Technical field
The invention belongs to hot-rolled steel section equipment technology field, particularly, the present invention relates to a kind of metallurgical production line can the roller bed device of the dismounting body of roll and assembly and disassembly methods online.
Background technology
In hot-rolled steel section field, roller-way is important equipment, and shaped steel rolling line roller-way gross weight of equipment can account for 80% of the gross weight of equipment of whole piece rolling line.Shaped steel rolling line is due to different size drafts difference, and rolled piece extension speed differs, and before and after milling train, roller-way rotating speed does not mate with rolled piece extension speed, and this just causes roller-way wearing and tearing before and after milling train very serious.The roller-way simultaneously grinding groove easily causes again the rolling accidents such as rolled piece is bending, race material, so rolling line roller-way is changed more frequent.
Current this overall roller-way (body of roll, roll shaft are welded as a whole) structure, when changing the body of roll of wearing and tearing, needs integral replacing roller-way.Overall roller-way changes parts such as needing dismounting roller-way supported on both sides bearing block, bearing, roller-way shaft coupling.This just considerably increases repair time and spare parts consumption (roll shaft can not reuse).
Summary of the invention
The object of the invention is to, a kind of roller bed device can dismantling the body of roll is online provided, this device can realize the roller roller body fast online replacement worn and torn, greatly reduce worker's labour intensity simultaneously, and reduction spare parts cost, and the present invention has structure is simple, swift to operate, cost is low feature.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of roller bed device can dismantling the body of roll online, described roller bed device comprises roll shaft 1 and several body of roll sheets 2, described roll shaft 1 pressed on ring roll shaft all establishes some groove platforms 5 for 1 one weeks, described arbitrary groove platform 5 arranges bellmouth along the axis of roll shaft 1 is through, open straight trough and bellmouth is through on groove platform 5 with on the opposite face of affixed of roll shaft 1, straight trough width is less than bellmouth smallest radial width;
The inwall of described arbitrary body of roll sheet 2 arranges some connecting plates 3, and the top of arbitrary connecting plate 3 arranges the diminished shaft 4 matched with bellmouth;
Several body of roll sheets 2 described form a body of roll, and are removably connected by diminished shaft 4 and the bellmouth on roll shaft 1.
Preferably, described bellmouth is round taper hole or square bellmouth.Those skilled in the art can also select the bellmouth of other shapes as required.
Preferably, described groove platform 5 is rectangle or trapezoidal along the cross section of roll shaft radial direction.Those skilled in the art can also select the groove platform of other shapes as required.
Preferably, the quantity of described body of roll sheet 2 is two or three.Those skilled in the art can also select the body of roll sheet of other quantity as required, as long as all body of roll sheets are combined can obtain a body of roll.
Further preferably, when the quantity of body of roll sheet 2 is two, on the inwall of arbitrary body of roll sheet 2 in 90 ° intersect two connecting plates 3 are set; When the quantity of body of roll sheet 2 is three, on the inwall of arbitrary body of roll sheet 2 in 60 ° intersect two connecting plates 3 are set.Those skilled in the art can also select the connecting plate of other quantity as required, as long as connecting plate can play the effect of support and connection diminished shaft.
Preferably, when the quantity of body of roll sheet 2 is two, described roll shaft 1 pressed on ring roll shaft all establishes four groove platforms 5 all intersected in 90 ° for 1 one weeks; When the quantity of body of roll sheet 2 is three, described roll shaft 1 pressed on ring roll shaft all establishes six groove platforms 5 all intersected in 60 ° for 1 one weeks.Those skilled in the art can also select the groove platform of other quantity as required, as long as the through bellmouth of groove platform energy, and are arranged in bellmouth at diminished shaft, fixing body of roll sheet.
Preferably, described diminished shaft 4 comprises axostylus axostyle and stiff end.Further preferably, described stiff end adopts head screw and nut to be fixed.
Present invention also offers the assembly and disassembly methods of above-mentioned roller bed device, said method comprising the steps of:
1) the groove platform offering bellmouth and straight trough is welded on roll shaft one by one, then roll shaft installed, fix;
2) connecting plate is welded on the inwall of body of roll sheet, the top welding diminished shaft of connecting plate;
3) inserted by body of roll sheet epicone oblique crank Z in the bellmouth of roll shaft, by head screw, nut fixation, same method fixes other body of roll sheet; Namely all body of roll sheets complete the installation of the body of roll after all installing;
4) according to step 3) contrary order (unclamp head screw, nut, the diminished shaft on body of roll sheet is taken out from the bellmouth of roll shaft, after all body of roll sheets all take out, namely complete the dismounting of the body of roll), can the body of roll be pulled down.
In the present invention, the size of each parts can carry out design processing according to actual needs.
In the present invention, when employing two body of roll sheets, body of roll sheet adopts 180 ° of semi-circular shape structures, and body of roll sheet both ends are processed as parallel plane, and body of roll leaf length is according to design alternative.
According to a preferred embodiment of the present invention, can the structure of the roller bed device of the dismounting body of roll online, a roll shaft is welded with four groove platforms that 90 ° of crossed-symmetrical are arranged, body of roll sheet and diminished shaft are welded together by connecting plate, each body of roll sheet welds two connecting plates and diminished shaft, two connecting plates and on diminished shaft intersection in 90 °.The body of roll sheet welded, connecting plate, diminished shaft are contained in the groove platform of roll shaft, by head screw, nut fixation.Assemble the test of laggard action balance.
Method for rapidly mounting: roll shaft (being welded with groove platform) is installed, fixing after, body of roll sheet (being welded with connecting plate and diminished shaft) and diminished shaft load from the groove platform side of roll shaft, the set bolt of clamping cone oblique crank Z head, makes body of roll sheet (being welded with connecting plate and diminished shaft) and roll shaft (being welded with groove platform) fixation.Same method installs another body of roll sheet (being welded with connecting plate and diminished shaft).
Quick-detachment method: dismounting diminished shaft head set bolt, use weight to clash into gently in (direction contrary with installation direction), body of roll sheet (being welded with connecting plate and diminished shaft) is deviate from from roll shaft.
Use the present invention can to realize having worn and torn the roller-way fast online replacement of the body of roll, greatly reduce worker's labour intensity simultaneously, and reduce spare parts cost.And structure is simple, swift to operate, cost is low feature that the present invention has.
The roller-way body of roll of the present invention is made up of multi-disc body of roll sheet, and body of roll sheet adopts 2 supports, and the strong point is mounted with by cone axis and semicircle taper hole, and 2 support very firm, and cone axis and conical bore are fixed without any gap.
Adopt roller-way of the present invention to reduce welding job, eliminate two side shields, manufacturing cost has had larger reduction; Roll shaft is reused; Roller-way bearing reduces disassemble and assemble work, and the life-span obtains larger raising; Originally the wearing and tearing of the roller-way structure body of roll need integral replacing roller-way, use this type of roller-way, directly change the body of roll, greatly reduce the workload of maintenance, reduce maintenance cost after body of roll wearing and tearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the roller bed device of the embodiment of the present invention 1;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of the roller bed device of the embodiment of the present invention 2;
Reference numeral, 1, roll shaft, 2, body of roll sheet, 3, connecting plate, 4, diminished shaft, 5, groove platform.
Detailed description of the invention
With the drawings and specific embodiments, the present invention is further detailed explanation below.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of roller bed device can dismantling the body of roll online, described roller bed device comprises roll shaft 1 and two body of roll sheets 2, described roll shaft 1 pressed on ring roll shaft all establishes four groove platforms 5 all intersected in 90 ° for 1 one weeks, described arbitrary groove platform 5 arranges round taper hole along the axis of roll shaft 1 is through, open straight trough and round taper hole is through on groove platform 5 with on the opposite face of affixed of roll shaft 1, straight trough width is less than round taper hole smallest radial width;
On the inwall of arbitrary body of roll sheet 2 in 90 ° intersect two connecting plates 3 are set, the top of arbitrary connecting plate 3 arranges the diminished shaft 4 matched with round taper hole;
Described two body of roll sheets 2 form a body of roll, and are removably connected by diminished shaft 4 and the round taper hole on roll shaft 1.
Described groove platform 5 is rectangle along the cross section of roll shaft radial direction.
Described diminished shaft 4 comprises axostylus axostyle and stiff end, and described stiff end adopts head screw and nut to be fixed.
The assembly and disassembly methods of above-mentioned roller bed device, said method comprising the steps of:
1) the groove platform offering bellmouth and straight trough is welded on roll shaft one by one, then roll shaft installed, fix;
2) connecting plate is welded on the inwall of body of roll sheet, the top welding diminished shaft of connecting plate;
3) inserted by body of roll sheet epicone oblique crank Z in the bellmouth of roll shaft, by head screw, nut fixation, same method fixes other body of roll sheet; Namely all body of roll sheets complete the installation of the body of roll after all installing;
4) according to step 3) contrary order (unclamp head screw, nut, the diminished shaft on body of roll sheet is taken out from the bellmouth of roll shaft, after all body of roll sheets all take out, namely complete the dismounting of the body of roll), can the body of roll be pulled down.
The concrete size of each parts is as follows: roll shaft 1 appearance and size
body of roll sheet 2 external diameter
connecting plate 3 appearance and size 20 millimeters × 60 millimeters × 350 millimeters, diminished shaft
groove platform 5 appearance and size
Embodiment 2:
As shown in Figure 3, a kind of roller bed device can dismantling the body of roll online, described roller bed device comprises roll shaft 1 and three body of roll sheets 2, described roll shaft 1 pressed on ring roll shaft all establishes six groove platforms 5 all intersected in 60 ° for 1 one weeks, described arbitrary groove platform 5 arranges round taper hole along the axis of roll shaft 1 is through, open straight trough and round taper hole is through on groove platform 5 with on the opposite face of affixed of roll shaft 1, straight trough width is less than round taper hole smallest radial width;
On the inwall of arbitrary body of roll sheet 2 in 60 ° intersect two connecting plates 3 are set, the top of arbitrary connecting plate 3 arranges the diminished shaft 4 matched with round taper hole;
Described three body of roll sheets 2 form a body of roll, and are removably connected by diminished shaft 4 and the round taper hole on roll shaft 1.
Described groove platform 5 is rectangle along the cross section of roll shaft radial direction.
Described diminished shaft 4 comprises axostylus axostyle and stiff end, and described stiff end adopts head screw and nut to be fixed.
The assembly and disassembly methods of above-mentioned roller bed device, said method comprising the steps of:
1) the groove platform offering bellmouth and straight trough is welded on roll shaft one by one, then roll shaft installed, fix;
2) connecting plate is welded on the inwall of body of roll sheet, the top welding diminished shaft of connecting plate;
3) inserted by body of roll sheet epicone oblique crank Z in the bellmouth of roll shaft, by head screw, nut fixation, same method fixes other body of roll sheet; Namely all body of roll sheets complete the installation of the body of roll after all installing;
4) according to step 3) contrary order (unclamp head screw, nut, the diminished shaft on body of roll sheet is taken out from the bellmouth of roll shaft, after all body of roll sheets all take out, namely complete the dismounting of the body of roll), can the body of roll be pulled down.
The concrete size of each parts is as follows: roll shaft 1 appearance and size
body of roll sheet 2 external diameter
connecting plate 3 appearance and size 20 millimeters × 60 millimeters × 350 millimeters, diminished shaft
groove platform 5 appearance and size
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, will be understood by those skilled in the art that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. can dismantle the roller bed device of the body of roll online for one kind, it is characterized in that, described roller bed device comprises roll shaft (1) and several body of roll sheets (2), described roll shaft (1) pressed on ring roll shaft all establishes some groove platforms (5) for (1) one week, described arbitrary groove platform (5) arranges bellmouth along the axis of roll shaft (1) is through, the opposite face of upper and affixed of the roll shaft (1) of groove platform (5) opens straight trough and bellmouth is through, straight trough width is less than bellmouth smallest radial width;
The inwall of described arbitrary body of roll sheet (2) arranges some connecting plates (3), and the top of arbitrary connecting plate (3) arranges the diminished shaft (4) matched with bellmouth;
Described several body of roll sheets (2) composition body of roll, and removably connected by diminished shaft (4) and the bellmouth on roll shaft (1).
2. roller bed device as claimed in claim 1, it is characterized in that, described bellmouth is round taper hole or square bellmouth.
3. roller bed device as claimed in claim 1, it is characterized in that, described groove platform (5) is rectangle or trapezoidal along the cross section of roll shaft radial direction.
4. roller bed device as claimed in claim 1, it is characterized in that, the quantity of described body of roll sheet (2) is two or three.
5. roller bed device as claimed in claim 4, is characterized in that, when the quantity of body of roll sheet (2) is two, on the inwall of arbitrary body of roll sheet (2) in 90 ° intersect two connecting plates (3) are set;
When the quantity of body of roll sheet (2) is three, on the inwall of arbitrary body of roll sheet (2) in 60 ° intersect two connecting plates (3) are set.
6. roller bed device as claimed in claim 5, is characterized in that, when the quantity of body of roll sheet (2) is two, described roll shaft (1) pressed on ring roll shaft all establishes four groove platforms (5) all intersected in 90 ° for (1) one week;
When the quantity of body of roll sheet (2) is three, described roll shaft (1) pressed on ring roll shaft all establishes six groove platforms (5) all intersected in 60 ° for (1) one week.
7. the roller bed device as described in as arbitrary in claim 1-6, it is characterized in that, described diminished shaft (4) comprises axostylus axostyle and stiff end.
8. roller bed device as claimed in claim 7, is characterized in that, described stiff end adopts head screw and nut to be fixed.
9. the installation method of the arbitrary described roller bed device of claim 1-8, said method comprising the steps of:
1) the groove platform offering bellmouth and straight trough is welded on roll shaft one by one, then roll shaft installed, fix;
2) connecting plate is welded on the inwall of body of roll sheet, the top welding diminished shaft of connecting plate;
3) inserted by body of roll sheet epicone oblique crank Z in the bellmouth of roll shaft, by head screw, nut fixation, same method fixes other body of roll sheet; Namely all body of roll sheets complete the installation of the body of roll after all installing.
10. the method for dismounting of the arbitrary described roller bed device of claim 1-8, said method comprising the steps of:
Unclamp head screw, nut, the diminished shaft on body of roll sheet is taken out from the bellmouth of roll shaft, after all body of roll sheets all take out, namely complete the dismounting of the body of roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410571523.1A CN104353677A (en) | 2014-10-23 | 2014-10-23 | Roll table device capable of disassembling and assembling roll body on line and disassembly and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410571523.1A CN104353677A (en) | 2014-10-23 | 2014-10-23 | Roll table device capable of disassembling and assembling roll body on line and disassembly and assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104353677A true CN104353677A (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410571523.1A Pending CN104353677A (en) | 2014-10-23 | 2014-10-23 | Roll table device capable of disassembling and assembling roll body on line and disassembly and assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104353677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883109A (en) * | 2019-11-30 | 2020-03-17 | 宝钢特钢韶关有限公司 | Roller and disassembling and assembling method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190116A (en) * | 1981-05-20 | 1982-11-22 | Mitsubishi Heavy Ind Ltd | Built-up roll manufacturing method |
| SU1400681A1 (en) * | 1986-08-12 | 1988-06-07 | Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов | Composite rolling mill roll |
| CN201212508Y (en) * | 2008-07-12 | 2009-03-25 | 河北理工大学 | Bond-free joint structure for roller briquetting machine |
| CN202683603U (en) * | 2012-07-30 | 2013-01-23 | 重庆镪镔实业有限公司 | Combined roller |
| CN104117542A (en) * | 2014-07-09 | 2014-10-29 | 莱芜钢铁集团有限公司 | Roller way device with roller body capable of being disassembled on line and disassembling and assembling method |
| CN204208902U (en) * | 2014-10-23 | 2015-03-18 | 山东钢铁股份有限公司 | A kind of can the roller bed device of the dismounting body of roll online |
-
2014
- 2014-10-23 CN CN201410571523.1A patent/CN104353677A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190116A (en) * | 1981-05-20 | 1982-11-22 | Mitsubishi Heavy Ind Ltd | Built-up roll manufacturing method |
| SU1400681A1 (en) * | 1986-08-12 | 1988-06-07 | Всесоюзный научно-исследовательский и проектный институт тугоплавких металлов и твердых сплавов | Composite rolling mill roll |
| CN201212508Y (en) * | 2008-07-12 | 2009-03-25 | 河北理工大学 | Bond-free joint structure for roller briquetting machine |
| CN202683603U (en) * | 2012-07-30 | 2013-01-23 | 重庆镪镔实业有限公司 | Combined roller |
| CN104117542A (en) * | 2014-07-09 | 2014-10-29 | 莱芜钢铁集团有限公司 | Roller way device with roller body capable of being disassembled on line and disassembling and assembling method |
| CN204208902U (en) * | 2014-10-23 | 2015-03-18 | 山东钢铁股份有限公司 | A kind of can the roller bed device of the dismounting body of roll online |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883109A (en) * | 2019-11-30 | 2020-03-17 | 宝钢特钢韶关有限公司 | Roller and disassembling and assembling method thereof |
| CN110883109B (en) * | 2019-11-30 | 2021-06-04 | 宝钢特钢韶关有限公司 | Roller and disassembling and assembling method thereof |
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Application publication date: 20150218 |