CN101579690B - Vertical type rolling mill - Google Patents
Vertical type rolling mill Download PDFInfo
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- CN101579690B CN101579690B CN2009101040645A CN200910104064A CN101579690B CN 101579690 B CN101579690 B CN 101579690B CN 2009101040645 A CN2009101040645 A CN 2009101040645A CN 200910104064 A CN200910104064 A CN 200910104064A CN 101579690 B CN101579690 B CN 101579690B
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- rolling mill
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Abstract
The invention belongs to a vertical type rolling mill, in particular to the vertical type rolling mill, a lifting device of which is provided with a lifting hydraulic cylinder. The vertical type rolling mill mainly comprises a rolling mill body, a pedestal (3) and a locking hydraulic cylinder (6); wherein the inclined plane (8) at the downside of the rolling mill body is opened with a nick groove;the locking hydraulic cylinder (6) is fixed on the pedestal (3) and is separated at both sides of the pedestal (3); the vertical type rolling mill is characterized in that the hydraulic cylinder (1) is slantingly fixed on the pedestal (3). The vertical type rolling mill has the advantages that the phenomenon that a locking cylinder head of the locking hydraulic cylinder is stuck in the nick groove which is caused by the roll-over generated owing to the gravity action of the rolling mill is avoided; the lifting time of the rolling mill is saved; and the rolling mill is safe and reliable.
Description
Technical field
The invention belongs to vertical mill, particularly relate to the vertical mill that the lifting hydraulic cylinder is arranged in the lifting device.
Background technology
At present, transposing hole slot etc. need be finished by special lifting device in the installation of vertical mill, debugging and the operation of rolling.Lifting device described in existing lifting device and disclosed patent ZL 200720097163.1 " the roll change lifting device of rough rolling vertical roller mill " and the ZL 01206463.7 " vertical mill promotes and connects shaft device ".As Fig. 1, shown in Figure 7: promote hydraulic cylinder 1 and be fixed on the base 3 by hydraulic cylinder bearing 2, its with connect shaft tray 4 and be connected through the hinge, connect shaft tray 4 and also be connected through the hinge with milling train body 5.By promoting hydraulic cylinder 1, the slide plate that connects shaft tray 4 and both sides, milling train body 5 bottom surface can slide up and down in the chute of base 3 upper surfaces, thereby realizes the lifting or the decline of milling train.In this pattern, relative and the tilting moment of strong point generation of the gravity of milling train body 5, milling train body 5 will be tumbled, the lower surface that makes milling train body 5 is away from base 3 upper surfaces, thereby the locking cylinder head that causes locking hydraulic cylinder 6 is stuck in the gap slot 7, can't finish the lifting process of vertical mill.And the milling train model is big more, and the milling train body is heavy more, and this phenomenon of tumbling is just obvious more.This will influence Installation and Debugging, even cause stopping production completely, bring heavy economic losses.
Summary of the invention
The present invention makes the stuck problem in gap slot of locking cylinder head of locking hydraulic cylinder for solving because milling train body gravity acts on easily to produce to tumble in the lifting process, carry arch a kind of simple in structure, promote reliable vertical mill.
Technical scheme of the present invention is: a kind of vertical mill, comprise the milling train body, the base that have gap slot on the inclined-plane, bottom side, be fixed on hydraulic cylinder on the base, be fixed on the base and divide the locking hydraulic cylinder that occupy the base both sides that it is characterized in that: described hydraulic cylinder is obliquely installed on described base.The central axis that also is hydraulic cylinder becomes certain inclination angle with base upper surface, and the cylinder head of hydraulic cylinder is away from susceptor surface.
The milling train body produces to tumble at lifting process and easily makes the locking cylinder head of locking hydraulic cylinder stuck in gap slot.In order further to avoid occurring this phenomenon in the lifting process, two lateral edges on the locking cylinder head wedge shape inclined-plane of the locking hydraulic cylinder of vertical mill provided by the invention, seamed edge equal chamfering or the rounding of gap slot on inclined-plane, milling train body bottom side.
Locking hydraulic cylinder of the present invention is a two-pass locking hydraulic cylinder, its first stroke is in the milling train lifting process, cylinder head near or just be fitted on the inclined-plane, milling train body bottom side, milling train is played centralizing function, second stroke cylinder head after lifting is finished is pressed on the inclined-plane, milling train body bottom side fully, and milling train is had locking effect.
The invention has the beneficial effects as follows:
1, adopts vertical mill of the present invention, in its lifting process, though the milling train body has a tilting moment, but because hydraulic cylinder is obliquely installed on base, the active force of its lifting will produce the component perpendicular to the upper surface of base, and the moment that this power produces slackens even balance the milling train body because of the tilting moment that gravity produces, and makes the milling train body be close to base, avoid the locking cylinder head to be stuck in gap slot, and improved the stability that promotes.
2, among the present invention two lateral edges, the seamed edge of gap slot on inclined-plane, milling train body bottom side on locking cylinder head wedge shape inclined-plane of locking hydraulic cylinder to carry out that chamfering or rounding handle be in order to allow the locking cylinder head of locking hydraulic cylinder slip over gap slot smoothly, further to have avoided the locking cylinder head to be stuck in gap slot.
3, the present invention adopts two-pass locking hydraulic cylinder, when milling train promotes, the locking cylinder head of two-pass locking hydraulic cylinder stretches out a part earlier, allow locking cylinder head wedge face near on inclined-plane, milling train body bottom side, milling train is played centralizing function, further slacken the phenomenon of tumbling of milling train body, when the milling train body with after connecing shaft tray and being thus lifted to preposition, the locking cylinder head stretches out a part again, and the wedge face is pressed on the inclined-plane, milling train body bottom side fully, and milling train is locked.
In a word, the two-pass effect that be in tilted layout, lock hydraulic cylinder and locking cylinder head wedge face seamed edge and gap slot edge chamfering or the rounding processing on milling train body bottom side inclined-plane of the present invention by adopting hydraulic cylinder avoided making the stuck phenomenon in gap slot of locking cylinder head of locking hydraulic cylinder because of the effect of milling train body gravity produces to tumble effectively; Under the prerequisite that not increase equipment drops into, save milling train and promoted the operating time, and also safe and reliable.
Description of drawings
Fig. 1 is the planar structure schematic diagram of prior art;
Fig. 2 is a perspective view of the present invention;
Fig. 3 is a planar structure front view of the present invention;
Fig. 4 is a locking hydraulic cylinder perspective view of the present invention;
Fig. 5 is a hydraulic locking stereochemical structure partial enlarged drawing of the present invention;
Fig. 6 is a slide gap slot edge chamfering stereochemical structure partial enlarged drawing;
Fig. 7 is the force analysis figure in the prior art lifting process;
Fig. 8 is the force analysis figure in the institute of the present invention lifting process.
Among the figure: 1-promotes hydraulic cylinder; 2-hydraulic cylinder bearing; The 3-base; 4-connects shaft tray; 5-milling train body; 6-locks hydraulic cylinder; The 7-gap slot; Inclined-plane, 8-milling train body bottom side; 9-locking cylinder head wedge face; 10-locking cylinder head wedge face edge chamfering; 11-gap slot edge chamfering.
The A-base; B-milling train body; The P-strong point; F-hydraulic cylinder lifting force, the vertical component of F1-; The F2-horizontal component.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing 2～6:
Have gap slot 7 on the inclined-plane, milling train body bottom side 8, hydraulic cylinder 1 is fixed on the base 3, and locking hydraulic cylinder 6 is fixed on the base 3 and divides and occupy base 3 both sides.Hydraulic cylinder 1 is obliquely installed on base 3, and promptly the central axis of hydraulic cylinder 1 becomes certain inclination angle with base 3 upper surfaces, and the cylinder head of hydraulic cylinder 1 is away from base 3 surfaces.
Two lateral edges, the seamed edge equal chamfering of gap slot 7 on inclined-plane, milling train body bottom side 8 on the locking cylinder head wedge shape inclined-plane 9 of locking hydraulic cylinder 6.
Locking hydraulic cylinder 6 is two-pass locking hydraulic cylinder, its first stroke is in the milling train lifting process, cylinder head near or just be fitted on the inclined-plane, milling train body bottom side 8, milling train is played centralizing function, second stroke cylinder head after lifting is finished is pressed on the inclined-plane, milling train body bottom side 8 fully, and milling train is had locking effect
As shown in Figure 8: though milling train body 5 has a tilting moment, but owing to promote being obliquely installed of hydraulic cylinder 1, its directed force F will produce the horizontal component F2 of vertical and base 3 upper surfaces, the moment that this power produces slackens even balances the tilting moment that milling train body 5 produces because of gravity, make milling train body 5 be close to base, vertically component F1 promotes milling train body 5 and connects shaft tray 4.When milling train promotes, the locking cylinder head of two-pass locking hydraulic cylinder 6 stretches out a part earlier, allow locking cylinder head wedge face 9 near on inclined-plane, milling train body bottom side 8, milling train is played centralizing function, further slacken the phenomenon of tumbling (as shown in Figure 8) of milling train body, when milling train body 5 with after connecing shaft tray 4 and being thus lifted to preposition, the locking cylinder head stretches out a part again, wedge face 9 is pressed on the inclined-plane, milling train body bottom side 8 fully, and milling train is locked.Two lateral edges on the locking cylinder head wedge shape inclined-plane of locking hydraulic cylinder 6, the edge chamfering of gap slot 7 on inclined-plane, milling train body bottom side are handled, and allow the locking cylinder head of locking hydraulic cylinder 6 slip over gap slot 7 smoothly, have avoided the locking cylinder head to be stuck in gap slot 7.
When milling train model difference, when the milling train body varied in weight, the gradient that can be by adjust promoting hydraulic cylinder and the hoisting power of hydraulic cylinder satisfied the demand under the different condition.
Claims (3)
1. vertical mill, mainly comprise milling train body, the base (3) that has gap slot (7) on the inclined-plane, bottom side (8) and be fixed on that base (3) is gone up and divide the locking hydraulic cylinder (6) that occupy base (3) both sides, it is characterized in that: hydraulic cylinder (1) is fixed on the base (3), the central axis of described hydraulic cylinder (1) becomes heeling condition with base (3) upper surface, and the cylinder head of hydraulic cylinder (1) is away from base (3) surface, and the angle of inclination size is determined according to the big ting model of milling train.
2. vertical mill as claimed in claim 1 is characterized in that: two lateral edges on the locking cylinder head wedge shape inclined-plane (9) of described locking hydraulic cylinder (6), described gap slot (7) equal chamfering of seamed edge or the rounding on inclined-plane, milling train body bottom side (8).
3. vertical mill as claimed in claim 1, it is characterized in that: described locking hydraulic cylinder (6) is two-pass locking hydraulic cylinder, its first stroke is in the milling train lifting process, cylinder head near or just be fitted on the inclined-plane, milling train body bottom side (8), milling train is played centralizing function, second stroke cylinder head after lifting is finished is pressed on the inclined-plane, milling train body bottom side (8) fully, and milling train is had locking effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101040645A CN101579690B (en) | 2009-06-12 | 2009-06-12 | Vertical type rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101040645A CN101579690B (en) | 2009-06-12 | 2009-06-12 | Vertical type rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101579690A CN101579690A (en) | 2009-11-18 |
| CN101579690B true CN101579690B (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101040645A Active CN101579690B (en) | 2009-06-12 | 2009-06-12 | Vertical type rolling mill |
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| Country | Link |
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| CN (1) | CN101579690B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009060237A1 (en) * | 2009-12-23 | 2011-06-30 | SMS Siemag AG, 40237 | Rolling mill with a drive unit |
| CN107999539A (en) * | 2017-12-27 | 2018-05-08 | 北京京诚瑞信长材工程技术有限公司 | A kind of memorial archway milling train |
| CN114607675B (en) * | 2022-05-13 | 2022-07-22 | 南通油神液压有限公司 | Reliable hydraulic equipment with prevent yawing force |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0607541A1 (en) * | 1993-01-18 | 1994-07-27 | Paul Troester Maschinenfabrik | Calender and calendering installation |
| US6266987B1 (en) * | 1997-10-14 | 2001-07-31 | Sumitomo Metal Industries, Ltd. | Disk roll exchanging apparatus for vertical piercing mill and disk roll exchanging method |
| CN101108395A (en) * | 2007-08-22 | 2008-01-23 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| CN201070637Y (en) * | 2007-08-22 | 2008-06-11 | 天津市天发重型水电设备制造有限公司 | Roll change lifting device of rough rolling edger mill |
-
2009
- 2009-06-12 CN CN2009101040645A patent/CN101579690B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0607541A1 (en) * | 1993-01-18 | 1994-07-27 | Paul Troester Maschinenfabrik | Calender and calendering installation |
| US6266987B1 (en) * | 1997-10-14 | 2001-07-31 | Sumitomo Metal Industries, Ltd. | Disk roll exchanging apparatus for vertical piercing mill and disk roll exchanging method |
| CN101108395A (en) * | 2007-08-22 | 2008-01-23 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| CN201070637Y (en) * | 2007-08-22 | 2008-06-11 | 天津市天发重型水电设备制造有限公司 | Roll change lifting device of rough rolling edger mill |
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| Publication number | Publication date |
|---|---|
| CN101579690A (en) | 2009-11-18 |
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Effective date of registration: 20160721 Address after: 402284 Jiangjin District, Chongqing Industrial Park Patentee after: CISDI Heavy Machinery Co., Ltd. Address before: 400013 Chongqing City, Yuzhong District No. 2 Steel Road, No. 1 Patentee before: Zhongye Saide Engineering Technology Co., Ltd. |
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Address after: 402284 Degan Industrial Park, Jiangjin District, Chongqing Patentee after: MCC CCID Equipment Co., Ltd. Address before: 402284 Chongqing Jiangjin district de sense Industrial Park Patentee before: CISDI Heavy Machinery Co., Ltd. |