CN204338573U - A kind of Combined vertical roll - Google Patents
A kind of Combined vertical roll Download PDFInfo
- Publication number
- CN204338573U CN204338573U CN201420775418.5U CN201420775418U CN204338573U CN 204338573 U CN204338573 U CN 204338573U CN 201420775418 U CN201420775418 U CN 201420775418U CN 204338573 U CN204338573 U CN 204338573U
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- Prior art keywords
- collars
- roll shaft
- keyway
- roll
- combined vertical
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model discloses a kind of Combined vertical roll, belong to bearing machining apparatus field.It comprises roll shaft, collars and flat key; Collars is axially fixed on roll shaft, and collars one end is arranged with the bolt hole matched with suspension rod bolt, for lifting collars; Collars is provided with outer annular recess apart from collars other end end face axial 40-60mm place along inside diameter hoop direction; Roll shaft is provided with boss along outside diameter hoop direction, and described boss embeds in outer annular recess in use; Collars inner surface has a keyway B, roll shaft has a keyway A, and keyway A and keyway B shape, size are identical, with the use of for installing flat key.The collars of Combined vertical roll of the present utility model can dismounting, the material of this collars and heat treatment hardness can reach performance requirement and the working condition requirement of former roll, collars is changed after collars surface abrasion, roll shaft can Reusability, avoid a large amount of energy and material loss, bring huge economic benefit to steel industry.
Description
Technical field
The utility model relates to bearing machining apparatus field, more particularly, relates to a kind of Combined vertical roll.
Background technology
The structure of current roll is monoblock type or composite structure.
Monoblock type roll is along with the consumption used, and arrive a fixed roll footpath, roll has just been scrapped, and can only carry out integral replacing.A roll cost is several ten thousand yuan to tens0000 yuans, and the top layer of the just body of roll of roll consumption in fact, roll integral replacing causes great economic loss to steel industry, causes a large amount of energy and the loss of material to country.
After composite roller damages, because the layer structure of roll is complicated, the difficulty of roll repair welding work is caused to increase, inconvenient operation.
Chinese patent application (application number: 201010262311.7, application publication number CN 101947552 A) discloses a kind of rolling roller.This invention comprises roll mandrel and roll body, roll body there is roller core and be enclosed within outside roller core can the roller shell of dismounting, be fixedly connected by welding, after roller shell wearing and tearing, roller shell can be removed, change new roller shell.Its shortcoming is welded and fixed easily to make roller core produce distortion, is unfavorable for that roll is rolled and processes, and after welding, the roller shell replacing of roll exists great difficulty.
Utility model content
1. the technical problem that will solve
For the monoblock type roll cost of idleness, the raw material that exist in prior art, composite roller repairs the large problem of difficulty, the utility model provides a kind of Combined vertical roll, it can realize: replaceable collars after collars surface abrasion, roll shaft can Reusability, greatly improve the utilization rate of roll shaft, avoid a large amount of losses of the energy and material.
2. technical scheme
The purpose of this utility model is achieved through the following technical solutions.
A kind of Combined vertical roll, comprise roll shaft and collars, described collars is axially fixed on roll shaft, it is characterized in that: on described collars, end face axial 40-60mm place, distance collars one end is provided with outer annular recess along inside diameter hoop direction; Described roll shaft is provided with boss along outside diameter hoop direction, and described boss embeds in outer annular recess in use.Boss and outer annular recess serve good positioning action with the use of to collars and roll shaft.
Further, the internal diameter of described outer annular recess is 240-280mm, and axial width is 10-30mm, and the external diameter of described boss is 228-268mm, and the axial width of described boss is identical with outer annular recess axial width.
Further, described collars inner surface has a keyway B, the axial width of described keyway B and the axial width sum of described outer annular recess are the axial width of collars, described roll shaft have a keyway A and keyway B shape, size identical, with the use of for installing flat key.
Further, described collars other end is arranged with bolt hole, bolt hole and suspension rod bolt with the use of, for lifting collars.
Further, described collars is also provided with antiskid thread.
Further, described roll shaft adopts the manufacture of 45# forged steel, and described collars adopts antifriction alloy manufacture.
Further, described antifriction alloy is low Ni-Cr-Mo indefinite chill spheroidal graphite cast-iron.
When collars and roll shaft are installed, collars are heated, makes interference fit between roll shaft and collars.Inner seal circle is installed and adopts interference fit.
3. beneficial effect
Compared to prior art, the utility model has the advantage of:
(1) a kind of Combined vertical roll of the present utility model, its collars and roll shaft detachable fixing, collars is depleted to a certain degree, can change, roll shaft can repeated multiple timesly use, and substantially increases the utilization rate of roll, reduces industrial daily consumption, cost-saving;
(2) a kind of Combined vertical roll of the present utility model, in keyway between roll shaft and collars, flat key is installed, roll shaft can be made to be connected with collars tightr, prevent from causing roll shaft and collars to produce gap because service time is long simultaneously, collars and roll shaft produce relative motion, and then the situation that cannot realize rolling occurs;
(3) a kind of Combined vertical roll of the present utility model, is arranged with bolt hole in collars one end, is convenient to lifting, and collars can be made in installation hoisting process easily to find equalization point, is beneficial to installation;
(4) a kind of Combined vertical roll of the present utility model, the bolt hole of setting is 4, no matter is upper and lower corresponding or two bolts hole that left and right is corresponding, can easily finds equalization point to be beneficial to install;
(5) a kind of Combined vertical roll of the present utility model, at roll shaft two ends, snap ring is installed, collars and roll shaft closely can be fixed, prevent roll shaft and collars in the roll course of work from producing axial relative motion, and then the situation that cannot realize rolling occurs;
(6) a kind of Combined vertical roll of the present utility model, at the roll shaft two ends contacted with collars, inner seal circle is installed, sealing ring is held together rear the elasticity that has by its lip limit by pressure and is pushed against on the inner hole wall of static element, play sealing, there is good sealing property, and automatically can improve sealing property along with the increase of pressure;
(7) a kind of Combined vertical roll of the present utility model, collars is provided with antiskid thread, makes roll safer;
(8) a kind of Combined vertical roll of the present utility model, the internal diameter of the outer annular recess of collars is 240-280mm, axial width is 10-30mm, the external diameter of boss is 228-268mm, the axial width of boss is identical with outer annular recess axial width, good positioning action can be played during installation, and collars and roll shaft fixing compact;
(9) roll shaft is as can the parts of Reusability, adopts 45# forged steel, and cost is low, easily process; Collars adopts antifriction alloy manufacture, and the low Ni-Cr-Mo indefinite chill spheroidal graphite cast-iron especially market easily purchased, improves the comprehensive use value of roll.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of the utility model left view.
Number in the figure is said: 1, roll shaft; 2, collars; 3, flat key; 31, keyway A; 32, keyway B; 4, bolt hole; 11, boss; 21, outer annular recess.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the utility model is described in detail.
Embodiment 1
As shown in Figure 1, 2, a kind of Combined vertical roll, comprises roll shaft 1 and collars 2, and described collars 2 is axially fixed on roll shaft 1, and described collars 2 is provided with outer annular recess 21 apart from end face 60mm place, collars 2 one end along inside diameter hoop direction; Described roll shaft 1 is provided with boss 11 along outside diameter hoop direction, and described boss 11 embeds in outer annular recess 21 in use.Boss 11 and outer annular recess 21 serve good positioning action with the use of to collars 2 and roll shaft 1.Also comprise snap ring at the two ends of the roll shaft 1 contacted with collars 2, collars 2 and roll shaft 1 are closely fixed, prevent roll shaft and collars in the roll course of work from producing axial relative motion.With opening on this snap ring, be provided with the clamping cutting edge of cross section indention in its endoporus, roll shaft can only unidirectionally be passed through, structure is simple, is connected firmly, not easily exits, high safety; This cutting edge side is taper seat; One end of snap ring is outer conical surface.Thinner than other place with the wall thickness of opening opposite position, to increase elasticity.Collars 2 is provided with antiskid thread, makes roll safer.
Installation process of the present utility model: stand up in ground by roll shaft 1, down, homalocephalus upward for round end.Subsequently collars 2 is heated, to a certain degree, collars 2 is sling, be placed on above roll shaft 1, decline collars 2, until the boss 11 on roll shaft 1 contacts with the outer annular recess 21 of collars 2, then at the two ends of the roll shaft 1 contacted with collars 2, snap ring is installed, screw, collars 2 and roll shaft 1 are closely fixed, installs.Collars 2 and roll shaft 1 are installed by interference fit.After collars 2 uses wearing and tearing for a long time, take out snap ring, by old collars 2 is taken off, just can work on after loading onto new collars 2.The utility model cost is low, installs easy to operate.
Embodiment 2
A kind of Combined vertical roll, comprise roll shaft 1 and collars 2, collars 2 outer surface is provided with antiskid thread, and described collars 2 is axially fixed on roll shaft 1, and on described collars 2, end face axial 40mm place, distance collars 2 one end is provided with outer annular recess 21 along inside diameter hoop direction; Described roll shaft 1 is provided with boss 11 along outside diameter hoop direction, and described boss 11 embeds in outer annular recess 21 in use; The internal diameter of outer annular recess 21 is 240mm, and axial width is 10mm, and the external diameter of boss 11 is 228mm, and the axial width of boss 11 is identical with the axial width of outer annular recess 21.Boss 11 and outer annular recess 21 serve good positioning action with the use of to collars 2 and roll shaft 1.Install inner seal circle at the two ends of the roll shaft 1 contacted with collars 2, sealing ring is held together rear the elasticity that has by its lip limit by pressure and is pushed against on the inner hole wall of static element, plays a part to seal; Collars 2 inner surface has a keyway B32, the axial width of keyway B32 and the axial width sum of outer annular recess 21 are the axial width of collars 2, roll shaft 1 has a keyway A31, keyway A31 and keyway B32 shape, size are identical, with the use of for installing flat key 3, flat key 3 adopts general flat key, its structure is simple, easy accessibility, and centering is good, be applicable to high speed, bear the occasion of variable load, impact, be particularly useful for roll.Collars 2 other end is arranged with 4 bolts hole 4, bolt hole 4 and suspension rod bolt with the use of, for lifting collars 2.Roll shaft 1 adopts the manufacture of 45# forged steel, and collars 2 adopts the manufacture of low Ni-Cr-Mo indefinite chill spheroidal graphite cast-iron.
The installation process of a kind of Combined vertical roll of the present embodiment: be put in by flat key 3 in the keyway A31 on roll shaft 1, then stand up in ground by roll shaft 1, down, homalocephalus upward for round end.Subsequently collars 2 is heated, to a certain degree, suspension rod bolt screws in the bolt hole 4 of collars 2 one end, collars 2 is balanced, and is sling by collars 2, be placed on above roll shaft 1, keyway B32 on collars 2 aims at the flat key 3 on roll shaft 1, and decline collars 2, until the boss 11 on roll shaft 1 contacts with the outer annular recess 21 of collars 2, then at the two ends of the roll shaft 1 contacted with collars 2, inner seal circle is installed, installs.Collars 2 and roll shaft 1 are installed by interference fit.After collars 2 uses wearing and tearing for a long time, by old collars 2 is taken off, just can work on after loading onto new collars 2.The utility model cost is low, installs easy to operate.
Embodiment 3
A kind of Combined vertical roll, comprise roll shaft 1 and collars 2, collars 2 outer surface is provided with antiskid thread, and described collars 2 is axially fixed on roll shaft 1, and on described collars 2, end face axial 50mm place, distance collars 2 one end is provided with outer annular recess 21 along inside diameter hoop direction; Described roll shaft 1 is provided with boss 11 along outside diameter hoop direction, and described boss 11 embeds in outer annular recess 21 in use; The internal diameter of outer annular recess 21 is 260mm, and axial width is 20mm, and the external diameter of boss 11 is 248mm, and the axial width of boss 11 is identical with the axial width of outer annular recess 21.Boss 11 and outer annular recess 21 serve good positioning action with the use of to collars 2 and roll shaft 1.Install inner seal circle at the two ends of the roll shaft 1 contacted with collars 2, sealing ring is held together rear the elasticity that has by its lip limit by pressure and is pushed against on the inner hole wall of static element, plays a part to seal; Collars 2 inner surface has a keyway B32, the axial width of keyway B32 and the axial width sum of outer annular recess 21 are the axial width of collars 2, roll shaft 1 has a keyway A31, keyway A31 and keyway B32 shape, size are identical, with the use of for installing flat key 3, flat key 3 adopts general flat key, its structure is simple, easy accessibility, and centering is good, be applicable to high speed, bear the occasion of variable load, impact, be particularly useful for roll.Collars 2 other end is arranged with 4 bolts hole 4, bolt hole 4 and suspension rod bolt with the use of, for lifting collars 2.Roll shaft 1 adopts the manufacture of 45# forged steel, and collars 2 adopts the manufacture of low Ni-Cr-Mo indefinite chill spheroidal graphite cast-iron.
Embodiment 4
A kind of Combined vertical roll, comprise roll shaft 1 and collars, described collars 2 is axially fixed on roll shaft 1, and on described collars 2, end face axial 60mm place, distance collars 2 one end is provided with outer annular recess 21 along inside diameter hoop direction; Described roll shaft 1 is provided with boss 11 along outside diameter hoop direction, and described boss 11 embeds in outer annular recess 21 in use; The internal diameter of outer annular recess 21 is 280mm, and axial width is 30mm, and the external diameter of boss 11 is 268mm, and the axial width of boss 11 is identical with the axial width of outer annular recess 21.Boss 11 and outer annular recess 21 serve good positioning action with the use of to collars 2 and roll shaft 1.Install inner seal circle at roll shaft 1 two ends contacted with collars 2, sealing ring is held together rear the elasticity that has by its lip limit by pressure and is pushed against on the inner hole wall of static element, plays a part to seal; Collars 2 inner surface has a keyway B32, the axial width of keyway B32 and the axial width sum of outer annular recess 21 are the axial width of collars 2, roll shaft 1 has a keyway A31, keyway A31 and keyway B32 shape, size are identical, with the use of for installing flat key 3, flat key 3 adopts general flat key, its structure is simple, easy accessibility, and centering is good, be applicable to high speed, bear the occasion of variable load, impact, be particularly useful for roll.Collars 2 other end is arranged with 4 bolts hole 4, bolt hole 4 and suspension rod bolt with the use of, for lifting collars 2.Roll shaft 1 adopts the manufacture of 45# forged steel, and collars 2 adopts the manufacture of low Ni-Cr-Mo indefinite chill spheroidal graphite cast-iron.
Below be schematically described the invention and embodiment thereof, actual technical scheme is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from this creation aim, designing the embodiment similar to this technical scheme without creationary, the protection domain of this patent all should be belonged to.
Claims (9)
1. a Combined vertical roll, comprise roll shaft (1) and collars (2), described collars (2) is axially fixed on roll shaft (1), it is characterized in that: the upper end face axial 40-60mm place, distance collars (2) one end of described collars (2) is provided with outer annular recess (21) along inside diameter hoop direction; Described roll shaft (1) is provided with boss (11) along outside diameter hoop direction, and described boss (11) embeds in outer annular recess (21) in use.
2. a kind of Combined vertical roll according to claim 1, it is characterized in that: the internal diameter of described outer annular recess (21) is 240-280mm, axial width is 10-30mm, the external diameter of described boss (11) is 228-268mm, and the axial width of described boss (11) is identical with outer annular recess (21) axial width.
3. a kind of Combined vertical roll according to claim 1, it is characterized in that: described collars (2) inner surface has a keyway B (32), the axial width of described keyway B (32) and the axial width sum of described outer annular recess (21) are the axial width of collars (2), described roll shaft (1) there is a keyway A (31), keyway A (31) and keyway B (32) shape, size are identical, with the use of for installing flat key (3).
4. a kind of Combined vertical roll according to claim 1, is characterized in that: described collars (2) other end is arranged with bolt hole (4).
5. a kind of Combined vertical roll according to claim 4, is characterized in that: described bolt hole (4) is 4.
6. a kind of Combined vertical roll according to claim 1-5 any one, it is characterized in that: the two ends of the roll shaft (1) contacted with collars (2) also comprise snap ring or inner seal circle, collars (2) and roll shaft (1) are closely fixed.
7. a kind of Combined vertical roll according to claim 6, is characterized in that: (2) are also provided with antiskid thread to described collars.
8. a kind of Combined vertical roll according to any one of claim 1-5, is characterized in that: described roll shaft (1) adopts the manufacture of 45# forged steel, and described collars (2) adopts antifriction alloy manufacture.
9. a kind of Combined vertical roll according to claim 8, is characterized in that: described antifriction alloy is low Ni-Cr-Mo indefinite chill spheroidal graphite cast-iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775418.5U CN204338573U (en) | 2014-12-10 | 2014-12-10 | A kind of Combined vertical roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420775418.5U CN204338573U (en) | 2014-12-10 | 2014-12-10 | A kind of Combined vertical roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204338573U true CN204338573U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420775418.5U Expired - Fee Related CN204338573U (en) | 2014-12-10 | 2014-12-10 | A kind of Combined vertical roll |
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| Country | Link |
|---|---|
| CN (1) | CN204338573U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127202A (en) * | 2015-08-28 | 2015-12-09 | 中钢集团邢台机械轧辊有限公司 | Combined vertical roll for 1450 hot-strip mill |
| CN105478480A (en) * | 2015-12-24 | 2016-04-13 | 中钢集团邢台机械轧辊有限公司 | Combined type vertical roller ring |
| CN106694559A (en) * | 2016-12-30 | 2017-05-24 | 中钢集团邢台机械轧辊有限公司 | Key-connection combined vertical roll |
| CN114406159A (en) * | 2021-12-08 | 2022-04-29 | 中钢集团邢台机械轧辊有限公司 | Assembled roller thrust ring and manufacturing method thereof |
-
2014
- 2014-12-10 CN CN201420775418.5U patent/CN204338573U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127202A (en) * | 2015-08-28 | 2015-12-09 | 中钢集团邢台机械轧辊有限公司 | Combined vertical roll for 1450 hot-strip mill |
| CN105478480A (en) * | 2015-12-24 | 2016-04-13 | 中钢集团邢台机械轧辊有限公司 | Combined type vertical roller ring |
| CN106694559A (en) * | 2016-12-30 | 2017-05-24 | 中钢集团邢台机械轧辊有限公司 | Key-connection combined vertical roll |
| CN114406159A (en) * | 2021-12-08 | 2022-04-29 | 中钢集团邢台机械轧辊有限公司 | Assembled roller thrust ring and manufacturing method thereof |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180321 Granted publication date: 20150520 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210321 Granted publication date: 20150520 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20201210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |