CN102179408B - Roller set for universal mill - Google Patents
Roller set for universal mill Download PDFInfo
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- CN102179408B CN102179408B CN 201110025636 CN201110025636A CN102179408B CN 102179408 B CN102179408 B CN 102179408B CN 201110025636 CN201110025636 CN 201110025636 CN 201110025636 A CN201110025636 A CN 201110025636A CN 102179408 B CN102179408 B CN 102179408B
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Abstract
The invention discloses a roller set for a universal mill, and the roller set comprises an upper horizontal roller, a lower horizontal roller, a pair of upright rollers and a quick roller-exchanging device, wherein the upper horizontal roller is provided with two upper bearing bases; the lower horizontal roller is provided with two lower bearing bases; each upright roller is provided with a roller bearing base; and the quick roller-exchanging device comprises a lower horizontal roller positioning rod, an upright roller positioning rod, an upper horizontal roller positioning rod and a lifting roller-exchanging trolley. When the roller is needed to be exchanged, the roller-exchanging trolley lifts and then drives all the positioning rods to stretch into countersinks which are correspondingly arranged on the bearing bases, thereby realizing the reliable support positioning, integrally forming the roller set, avoiding the relative movement among rollers and abrasion of the positioning rods when the roller set is quickly moved out or loaded, and being reliable in interlocking. When the roller set is needed to work, the roller-exchanging trolley descends so as to release all the support positioning relationships and then the roller set can start working quickly. The roller set for the universal mill has a simple and reasonable structure and can be used for efficiently increasing the reliability and maintainability of the roller set, reducing the difficulty of roller-exchanging operation, shortening the roller-exchanging time, and increasing the production efficiency.
Description
Technical field
The present invention relates to the shaped steel production equipment, particularly a kind of parts of universal mill.
Background technology
At present; The universal rolling method has generally been adopted in the production of shaped steel, and wherein universal mill is to carry out the main equipment that shaped steel is produced, in the operation of rolling of universal mill; Roll wear is very fast; Need often to change roll stacks, therefore, the time length of roll change operation has determined the production efficiency of universal mill to a great extent.
Roll change technological requirement: when the roll change operation; The bearing block of the upper and lower horizontal roller of roll stacks and left and right edger roll bearing block need to support each other the location; Form an integral body; And roll stacks is packed into behind the milling train, need remove this support positioning relation again, upper and lower horizontal roller can be moved up and down freely and left and right edger roll can move freely in the horizontal direction.The difficult point that realizes these functions is; How making up suitable device makes each roll form effective support location and release relation; And make it to become a reliable system, particularly owing to have layer edger roll need support under the situation with release construction device in the middle of the roll stacks to make horizontal roller also form effective support simultaneously to locate and release, after edger roll and the release of top roll supporting relation; Can make horizontal roller continue to move downward, and not influence the horizontal direction freely-movable of edger roll.
In the prior art, patent 03156744.4 discloses a kind of roll stacks that is used for universal frame, supports interlocking by supporting pin and strut between each roll of this roll stacks and forms integral body; Satisfy the whole technological requirement that moves into or shift out frame of roll stacks, but should technology still have following some deficiency: the described vertical roller of a. just is positioned over described supporting bar top, and vertical roller still can move in the horizontal direction; Do not form reliable interlocking, when roll stacks shifted out or move into frame, support bar just relied on the frictional force with the vertical roller upper rail to drive vertical roller and shifts out or move into; Cause the location interlocking capability of vertical roller relatively poor, make roll stacks immigration or shift out limited speed, milling train can not comparatively fast be devoted oneself to work; Simultaneously; When milling train was worked, vertical roller reciprocating motion in the horizontal direction was with guide groove and supporting bar top on the vertical roller are worn and torn each other; Cause the further variation of its interlocking capability, after the serious wear even cause the problem that to pull out vertical roller; B. the described horizontal roller that goes up is supported by the supporting pin on the vertical roller, and that leans on spring block moves release, and slide block is removed the back and formed certain space; Make horizontal roller can continue to move downward, and also freely-movable in the horizontal direction of vertical roller, but its immigration or to shift out also be the frictional force between the slide block that leans on supporting pin and the last horizontal roller; Same location interlocking capability is relatively poor, is difficult to form reliable interlocking, and goes up the spring block mechanism structure complicacy of horizontal roller; Operation inconvenience, under abominable operating mode, reliability is low; Maintainable poor, be difficult to effectively used at rolling scene.
Therefore; Need to explore a kind of roll stacks that is used for universal mill, make it can form and remove the support positioning relation fast, interlocking is reliable; So that roll stacks is packed into fast or is taken out rolling-mill housing; Reduce the difficulty of roll change operation, and reduce roll changing time and make milling train get into duty fast, improve the production efficiency of universal mill.
Summary of the invention
In view of this, the present invention provides a kind of roll stacks that is used for universal mill, and this roll stacks realizes interlocking through the up-down of each backstay, and reach quick formation and contact roll stacks support positioning relation, and the reliable purpose of interlocking.
The roll stacks that is used for universal mill of the present invention; Comprise the last horizontal roller that surrounds rolling passage jointly, following horizontal roller and an opposite roller; Said two ends of going up horizontal roller are rotatably assorted with two top chocks respectively; The two ends of following horizontal roller are rotatably assorted with two steps respectively; One opposite roller is rotatably assorted with two edger roll bearing blocks respectively, also comprises the fast roll changing device, and said fast roll changing device comprises following horizontal roller backstay, edger roll backstay, last horizontal roller backstay and the liftable roll change buggy that is distributed in the rolling passage left and right sides;
Each time horizontal roller backstay is being arranged on the roll change buggy with the mode that roll change buggy goes up and down, and corresponding respectively being provided with is used for the counterbore that following horizontal roller backstay upper end is stretched on each step;
Each edger roll backstay is positioned at the part beyond the horizontal roller down passing respectively with the mode that roll change buggy goes up and down on two steps, corresponding respectively being provided with is used for the counterbore that edger roll backstay upper end is stretched on each edger roll bearing block;
The horizontal roller backstay is passing the part that is positioned on two edger roll bearing blocks beyond the edger roll respectively with the mode that the edger roll backstay goes up and down on each, and corresponding respectively being provided with is used for the counterbore that horizontal roller backstay upper end is stretched on each top chock.
Further; Said horizontal roller backstay down is tube-in-tube structure and is fixedly installed on the roll change buggy; The lower end of said edger roll backstay is placed in down in the horizontal roller backstay and is supported on the roll change buggy; The said horizontal roller backstay of going up is provided with the downward limited step that is used to prevent the downward landing of horizontal roller backstay, and the lower end of last horizontal roller backstay is over against the upper end of edger roll backstay;
Further; Said horizontal roller backstay down and edger roll backstay are processed the integrally formed down big backstay of little hierarchic structure; Said backstay lower end is fixedly connected with roll change buggy; The said horizontal roller backstay of going up is provided with the downward limited step that is used to prevent the downward landing of horizontal roller backstay, and the lower end of last horizontal roller backstay is over against the upper end of edger roll backstay;
Further, said downward limited step is arranged at the middle part of horizontal roller backstay, is provided for withstanding the limited step that makes progress of corresponding limited step downwards in the hole that cooperates with last horizontal roller backstay on two edger roll bearing blocks respectively;
Further, said downward limited step is arranged at the upper end of horizontal roller backstay, and forms position limiting structure with the upper surface of edger roll bearing block;
Further, the left and right sides of said rolling passage is provided with two following horizontal roller backstays, two edger roll backstays and two last horizontal roller backstays respectively;
Further; Said fast roll changing device also comprises the auxiliary vertical roll backstay that is arranged at the rolling passage left and right sides respectively; Each auxiliary vertical roll backstay is fixedly set on the roll change buggy, and corresponding respectively being provided with is used for the counterbore that auxiliary vertical roll backstay upper end is stretched on each edger roll bearing block;
Further, said fast roll changing device also comprises hoistable platform and the hydraulic cylinder that withstands on the hoistable platform below, and said roll change buggy places on the hoistable platform.
The present invention also provides the another kind of roll stacks that is used for universal mill; Comprise horizontal roller and following horizontal roller; Said two ends of going up horizontal roller are rotatably assorted with two top chocks respectively; The two ends of following horizontal roller are rotatably assorted with two steps respectively, also comprise the fast roll changing device, and said fast roll changing device comprises the following horizontal roller backstay that is distributed in the roll gap left and right sides, last horizontal roller backstay and liftable roll change buggy;
Each time horizontal roller backstay is being arranged on the roll change buggy with the mode that roll change buggy goes up and down, and corresponding respectively being provided with is used for the counterbore that following horizontal roller backstay upper end is stretched on each step;
The horizontal roller backstay is positioned at the part beyond the horizontal roller down passing with the mode that roll change buggy goes up and down on each on two steps, and corresponding respectively being provided with is used for the counterbore that horizontal roller backstay upper end is stretched on each top chock.
Further, said horizontal roller backstay down is tube-in-tube structure and is fixedly installed on the roll change buggy that said lower end of going up the horizontal roller backstay is placed in down in the horizontal roller backstay and fixes or be supported on the roll change buggy;
Further, said horizontal roller backstay down and last horizontal roller backstay are processed the integrally formed down big backstay of little hierarchic structure, and said backstay lower end is fixedly connected with roll change buggy;
Further, the left and right sides of said roll gap be provided with respectively two following horizontal roller backstays and with two go up the horizontal roller backstays;
Further, said fast roll changing device also comprises hoistable platform and the hydraulic cylinder that withstands on the hoistable platform below, and said roll change buggy places on the hoistable platform.
Beneficial effect of the present invention: the roll stacks that is used for universal mill of the present invention has the following advantages:
1) upper and lower horizontal roller and two edger rolls can form an integral body fast, are convenient to roll stacks and from universal rolling mill, take out or pack into;
2) upper and lower horizontal roller and two edger rolls directly stretch into counterbore through each backstay and support the location; Avoid relatively moving between each roller wearing and tearing with backstay; Interlocking is reliable, and roll stacks shifts out or the requirement of the frame of packing into fast when satisfying the roll change operation, and the maintainability of equipment improves;
3) each roll shop building supports effective establishment of positioning relation during the roll change operation; And when work each roll shop building supporting relation effective releasing, only need the up-down of control roll change buggy to accomplish, and do not need other any supplementary means; Easy and simple to handle; The roll change task difficulty reduces, and roll changing time reduces, and effectively improves the production efficiency of universal mill;
4) fast roll changing apparatus structure advantages of simple, reliable operation, maintainable good, low cost of manufacture helps promoting the use of.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The structural representation of Fig. 1 during for roll change of the present invention;
Fig. 2 is the I place partial enlarged drawing of Fig. 1;
Fig. 3 is the II place partial enlarged drawing of Fig. 1;
Fig. 4 is the III place partial enlarged drawing of Fig. 1;
Structural representation when Fig. 5 works for the present invention;
Fig. 6 is the IV place partial enlarged drawing of Fig. 5;
Structural representation when Fig. 7 is the present invention's two roller roll stacks roll changes;
Structural representation when Fig. 8 works for the present invention's two roller roll stacks.
The specific embodiment
Embodiment 1:
Extremely shown in Figure 6 like Fig. 1; The roll stacks that is used for universal mill of present embodiment; Comprise the last horizontal roller 1 that surrounds rolling passage jointly, following horizontal roller 2 and an opposite roller 3; Said two ends of going up horizontal roller 1 are rotatably assorted with two top chocks 4 respectively; The two ends of following horizontal roller 2 are rotatably assorted with two steps 5 respectively, and an opposite roller 3 is rotatably assorted with two edger roll bearing blocks 6 respectively, and the framework memorial archway neutralization that this roll stacks can move into universal mill is shifted out this framework memorial archway and carried out the roll change operation; This roll stacks also comprises the fast roll changing device; Said fast roll changing device comprise the following horizontal roller backstay of four of being distributed in the rolling passage left and right sides 7, four edger roll backstays 8, four go up horizontal roller backstay 9 and liftable roll change buggy 10, the every side of rolling passage is provided with down each two of horizontal roller backstays, each two of edger roll backstays is set, the front and back that following horizontal roller backstay and edger roll backstay are positioned at time horizontal roller are provided with one respectively.Certainly, three kinds of backstays have one at least in each side of rolling passage, and three kinds of backstays can be the bars in cylindric, lath-shaped or other Any shape cross sections, all can realize the object of the invention;
Each time horizontal roller backstay 7 is being arranged on the roll change buggy 10 with the mode that roll change buggy 10 goes up and down, and corresponding one by one respectively being provided with is used for the counterbore that following horizontal roller backstay 7 upper ends are stretched on each step 5;
Each edger roll backstay 8 is positioned at the part beyond the horizontal roller 2 down passing respectively with the mode that roll change buggy 10 goes up and down on two steps 5; Promptly pass the outer sidewall in step middle and lower level roller roller footpath; In order to avoid the normal rotation of horizontal roller under the influence, corresponding one by one respectively being provided with is used for the counterbore that edger roll backstay 8 upper ends are stretched on each edger roll bearing block 6;
During roll change; Need make horizontal roller, following horizontal roller and edger roll support the location each other forms whole; This moment, roll change buggy rising certain altitude under the effect of hoistable platform reached position as shown in Figure 1, and roll change buggy drives down the horizontal roller backstay and rises and make down horizontal roller backstay upper end stretch in the counterbore that is arranged on the step and withstand bottom the counterbore; Formation promptly forms the locking of horizontal roller down to the support location of step; Simultaneously, roll change buggy also drives the edger roll backstay and rises and to make edger roll backstay upper end stretch in the counterbore that is arranged on the edger roll bearing block and withstand the counterbore bottom, forms the support location of opposite roller bearing block, promptly forms the locking of edger roll; The edger roll backstay rises and also will drive the horizontal roller backstay and rise and make that to stretch into the counterbore that is arranged on the top chock on the horizontal roller backstay interior and withstand bottom the counterbore; Formation is to the support location of top chock; Promptly form the locking of going up horizontal roller, thereby it is whole to make horizontal roller, following horizontal roller and edger roll support location formation each other, satisfies the requirement of fast roll changing technology; With respect to roll stacks of the prior art; The present invention supports the location through the mode that backstay stretches into counterbore, lock more reliable, and backstay not easy to wear.
During roll stacks work; Need to remove the support positioning relation of going up between horizontal roller, following horizontal roller and the edger roll; Roll change buggy decline this moment certain altitude reaches position as shown in Figure 5, and roll change buggy drives horizontal roller backstay decline down makes down horizontal roller backstay upper end detach corresponding counterbore; Thereby remove the support location of step, promptly remove the locking of horizontal roller down; Edger roll backstay and the last horizontal roller backstay upper end make them that all under the effect of pulling force, pressure or gravity, descends detaches corresponding counterbore, thereby removes the locking of edger roll and last horizontal roller, the requirement when satisfying roll stacks work.The present invention can accomplish through the lifting action of roll change buggy and support location and release action, and is simple to operation, and the apparatus structure advantages of simple; Roll stacks with respect to prior art; Be easier to make and safeguard, and roll change speed is fast, can effectively improve the production efficiency of universal mill.
In the present embodiment, said horizontal roller backstay down 7 is tube-in-tube structure and is fixedly installed on the roll change buggy 10 that the lower end of said edger roll backstay 8 is placed in down in the horizontal roller backstay 7 and is fixed on the roll change buggy 10; Certainly, be supported on the dolly through direct lower end with the edger roll backstay, the edger roll backstay relies on gravity to descend during release; Can realize the object of the invention equally; The said horizontal roller backstay 9 of going up is provided with downward limited step 9a, is provided for withstanding the upwards limited step of corresponding limited step 9a downwards respectively on two edger roll bearing blocks 6 with in the hole that last horizontal roller backstay 9 cooperates, to prevent the downward landing of horizontal roller backstay on behind the releasing supporting relation; Certainly; Downward limited step 9a is arranged on the top of horizontal roller backstay 9, lets the upper surface of itself and edger roll bearing block form position limiting structure, can prevent the downward landing of horizontal roller backstay equally; The lower end of last horizontal roller backstay 9 is over against the upper end of edger roll backstay 8; So that the horizontal roller backstay rises on when the edger roll backstay rises, promoting, this is simple and reasonable, can realize the action of each backstay through the simple lifting action of roll change buggy.Certainly, said horizontal roller backstay 7 is down processed the integrally formed down big backstay of little hierarchic structure with edger roll backstay 8, and said backstay lower end is fixedly connected with roll change buggy 10, can realize the object of the invention equally.
In the present embodiment; Said fast roll changing device also comprises each the two auxiliary vertical roll backstay 8a that is arranged at the rolling passage left and right sides respectively, and horizontal roller 2 front and back are each one under being positioned at, and each auxiliary vertical roll backstay 8a is fixedly set on the roll change buggy 10; Corresponding respectively being provided with is used for the counterbore that auxiliary vertical roll backstay 8a upper end is stretched on each edger roll bearing block 6; Support the location through auxiliary vertical roll backstay opposite roller, make edger roll receive the multi-point support location, more steadily reliable.
In the present embodiment; Said fast roll changing device also comprises and is arranged in the universal rolling mill or the hoistable platform of frame side 11 can provide the power source of up-down with the hydraulic cylinder 12 that withstands on hoistable platform 11 belows or other; Said roll change buggy 10 places on the hoistable platform 11; Simple in structure, working service is convenient.
Embodiment 2:
Like Fig. 7 and shown in Figure 8; The roll stacks that is used for universal mill of present embodiment and embodiment 1 are relatively; It mainly is the difference of roll stacks of roll stacks and four roll structures of two roll structures; This roll stacks comprises horizontal roller 1 and following horizontal roller 2, and said two ends of going up horizontal roller 1 are rotatably assorted with two top chocks 4 respectively, and the two ends of following horizontal roller 2 are rotatably assorted with two steps 5 respectively; This roll stacks also comprises the fast roll changing device; Said fast roll changing device comprises that the following horizontal roller backstay of four of being distributed in the roll gap left and right sides 7, four go up horizontal roller backstay 9 and liftable roll change buggy 10, and horizontal roller backstay and last horizontal roller backstay are each two under every side of roll gap, are distributed in down the front and back of horizontal roller respectively;
Each time horizontal roller backstay 7 is being arranged on the roll change buggy 10 with the mode that roll change buggy 10 goes up and down, and corresponding respectively being provided with is used for the counterbore that following horizontal roller backstay 7 upper ends are stretched on each step 5;
During roll change; The rising of horizontal location bar was stretched into corresponding counterbore and is formed the support location to step under roll change buggy drove; Simultaneously; Last horizontal roller backstay rising is stretched into corresponding counterbore and is formed the support location to top chock, thereby makes horizontal roller and following horizontal roller form an integral body, satisfies the fast roll changing technological requirement.
During roll stacks work, horizontal roller backstay and the decline of last horizontal roller backstay detached corresponding counterbore under roll change buggy drove, and removed and supported positioning relation.
In the present embodiment; Said horizontal roller backstay down 7 is tube-in-tube structure and is fixedly installed on the roll change buggy 10; Said lower end of going up horizontal roller backstay 9 is placed in down in the horizontal roller backstay 7 and fixes or be supported on the roll change buggy 10, and is simple and reasonable, is convenient to make and safeguard.Certainly, adopt the structure of " following horizontal roller backstay 7 is processed the integrally formed down big backstay of little hierarchic structure with last horizontal roller backstay 9, and said backstay lower end is fixedly connected with roll change buggy 10 ", also can realize the object of the invention.
In the present embodiment, said fast roll changing device also comprises hoistable platform 11 and the hydraulic cylinder 12 that withstands on hoistable platform 11 belows, and said roll change buggy 10 places on the hoistable platform 11, and is simple in structure, and working service is convenient.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (13)
1. roll stacks that is used for universal mill; Comprise the last horizontal roller (1) that surrounds rolling passage jointly, following horizontal roller (2) and an opposite roller (3); Said two ends of going up horizontal roller (1) are rotatably assorted with two top chocks (4) respectively; The two ends of following horizontal roller (2) are rotatably assorted with two steps (5) respectively; One opposite roller (3) is rotatably assorted with two edger roll bearing blocks (6) respectively; It is characterized in that: also comprise the fast roll changing device, said fast roll changing device comprises following horizontal roller backstay (7), edger roll backstay (8), last horizontal roller backstay (9) and the liftable roll change buggy (10) that is distributed in the rolling passage left and right sides;
Each time horizontal roller backstay (7) to be can being arranged on the roll change buggy (10) with the mode that roll change buggy (10) goes up and down, on each step (5) respectively correspondence be provided with and be used for the counterbore that horizontal roller backstay (7) upper end is down stretched into;
Each edger roll backstay (8) is positioned at horizontal roller (2) part in addition down passing respectively with the mode that roll change buggy (10) goes up and down on two steps (5), on each edger roll bearing block (6) respectively correspondence be provided with and be used for the counterbore that edger roll backstay (8) upper end is stretched into;
Horizontal roller backstay (9) is positioned at edger roll (3) part in addition passing respectively with the mode that edger roll backstay (8) goes up and down on each on two edger roll bearing blocks (6), on each top chock (4) respectively correspondence be provided with and be used for the counterbore that stretches on the horizontal roller backstay (9).
2. the roll stacks that is used for universal mill according to claim 1; It is characterized in that: said horizontal roller backstay (7) down is tube-in-tube structure and is fixedly installed on the roll change buggy (10); The lower end of said edger roll backstay (8) is placed in down in the horizontal roller backstay (7) and fixes or be supported on the roll change buggy (10); The said horizontal roller backstay (9) of going up is provided with the downward limited step (9a) that is used to prevent horizontal roller backstay (9) landing downwards, and the lower end of last horizontal roller backstay (9) is over against the upper end of edger roll backstay (8).
3. the roll stacks that is used for universal mill according to claim 1; It is characterized in that: said horizontal roller backstay (7) is down processed the integrally formed down big backstay of little hierarchic structure with edger roll backstay (8); Said horizontal roller backstay (7) lower end down is fixedly connected with roll change buggy (10); The said horizontal roller backstay (9) of going up is provided with the downward limited step (9a) that is used to prevent horizontal roller backstay (9) landing downwards, and the lower end of last horizontal roller backstay (9) is over against the upper end of backstay.
4. according to claim 2 or the 3 described roll stacks that are used for universal mill; It is characterized in that: said downward limited step (9a) is arranged at the middle part of horizontal roller backstay (9), and two edger roll bearing blocks (6) are gone up the upwards limited step that is provided for withstanding corresponding limited step (9a) downwards in the hole that cooperates with last horizontal roller backstay (9) respectively.
5. according to claim 2 or the 3 described roll stacks that are used for universal mill, it is characterized in that: said downward limited step (9a) is arranged at the upper end of horizontal roller backstay (9), and forms position limiting structure with the upper surface of edger roll bearing block (6).
6. the roll stacks that is used for universal mill according to claim 4 is characterized in that: the left and right sides of said rolling passage is provided with two following horizontal roller backstays (7), two edger roll backstays (8) and two last horizontal roller backstays (9) respectively.
7. the roll stacks that is used for universal mill according to claim 6; It is characterized in that: said fast roll changing device also comprises the auxiliary vertical roll backstay (8a) that is arranged at the rolling passage left and right sides respectively; Each auxiliary vertical roll backstay (8a) is fixedly set on the roll change buggy (10), on each edger roll bearing block (6) respectively correspondence be provided with and be used for the counterbore that auxiliary vertical roll backstay (8a) upper end is stretched into.
8. the roll stacks that is used for universal mill according to claim 7; It is characterized in that: said fast roll changing device also comprises hoistable platform (11) and withstands on the hydraulic cylinder (12) of hoistable platform (11) below that said roll change buggy (10) places on the hoistable platform (11).
9. roll stacks that is used for universal mill; Comprise horizontal roller (1) and following horizontal roller (2); Said two ends of going up horizontal roller (1) are rotatably assorted with two top chocks (4) respectively; The two ends of following horizontal roller (2) are rotatably assorted with two steps (5) respectively; It is characterized in that: also comprise the fast roll changing device, said fast roll changing device comprises the following horizontal roller backstay (7) that is distributed in the roll gap left and right sides, last horizontal roller backstay (9) and liftable roll change buggy (10);
Each time horizontal roller backstay (7) to be can being arranged on the roll change buggy (10) with the mode that roll change buggy (10) goes up and down, on each step (5) respectively correspondence be provided with and be used for the counterbore that horizontal roller backstay (7) upper end is down stretched into;
Horizontal roller backstay (9) is positioned at horizontal roller (2) part in addition down passing with the mode that roll change buggy (10) goes up and down on each on two steps (5), on each top chock (4) respectively correspondence be provided with and be used for the counterbore that stretches on the horizontal roller backstay (9).
10. the roll stacks that is used for universal mill according to claim 9; It is characterized in that: horizontal roller backstay (7) is tube-in-tube structure and is fixedly installed on the roll change buggy (10) under said, and said lower end of going up horizontal roller backstay (9) is placed in down in the horizontal roller backstay (7) and fixes or be supported on the roll change buggy (10).
11. the roll stacks that is used for universal mill according to claim 9; It is characterized in that: said horizontal roller backstay (7) is down processed the integrally formed down big backstay of little hierarchic structure with last horizontal roller backstay (9), and said backstay lower end is fixedly connected with roll change buggy (10).
12. according to arbitrary described roll stacks that is used for universal mill of claim 9～11, it is characterized in that: the left and right sides of said roll gap is provided with two following horizontal roller backstays (7) and two last horizontal roller backstays (9) respectively.
13. the roll stacks that is used for universal mill according to claim 12; It is characterized in that: said fast roll changing device also comprises hoistable platform (11) and withstands on the hydraulic cylinder (12) of hoistable platform (11) below that said roll change buggy (10) places on the hoistable platform (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110025636 CN102179408B (en) | 2011-01-24 | 2011-01-24 | Roller set for universal mill |
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|---|---|---|---|
| CN 201110025636 CN102179408B (en) | 2011-01-24 | 2011-01-24 | Roller set for universal mill |
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| CN102179408A CN102179408A (en) | 2011-09-14 |
| CN102179408B true CN102179408B (en) | 2012-12-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363157A (en) * | 2011-09-21 | 2012-02-29 | 天津市中重科技工程有限公司 | Press-stressed structure of vertical roll mill stand |
| CN102441574B (en) * | 2011-09-22 | 2013-12-18 | 常州宝菱重工机械有限公司 | Shaft supporting frame device for four- and six-roll interchange rolling mill |
| CN102671951A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Universal machine core of rolling mill |
| CN103769420A (en) * | 2014-02-18 | 2014-05-07 | 江苏鸿业重工有限公司 | Vertical roll mounting bracket for two-high universal rolling mill |
| CN103752605A (en) * | 2014-02-18 | 2014-04-30 | 江苏鸿业重工有限公司 | Universal rolling mill through improvement of two-roller rolling mill |
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|---|---|---|---|---|
| US3899910A (en) * | 1973-06-19 | 1975-08-19 | Nippon Kokan Kk | Prestress type rolling mill |
| CN88103216A (en) * | 1987-05-16 | 1988-12-07 | Sms舒路曼-斯玛公司 | Universal roll stand with adjustable horizontal and vertical roller group |
| CN1488450A (en) * | 2002-09-07 | 2004-04-14 | Sms米尔股份有限公司 | Roller group for universal machine-frame |
| CN101633000A (en) * | 2008-07-22 | 2010-01-27 | 中冶赛迪工程技术股份有限公司 | Axial moving device of intermediate rolls |
| CN202006216U (en) * | 2011-01-24 | 2011-10-12 | 中冶赛迪工程技术股份有限公司 | Roller group for universal mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102179408A (en) | 2011-09-14 |
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