CN1565764A - Subassemblies of supporting roller - Google Patents
Subassemblies of supporting roller Download PDFInfo
- Publication number
- CN1565764A CN1565764A CN 03141131 CN03141131A CN1565764A CN 1565764 A CN1565764 A CN 1565764A CN 03141131 CN03141131 CN 03141131 CN 03141131 A CN03141131 A CN 03141131A CN 1565764 A CN1565764 A CN 1565764A
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- collars
- roller assembly
- support roller
- bearing
- mandrel
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a support roller assembly comprising a core axle(3), a roll collars(7) arranged on the core axle, and a bearing(4), wherein the roll collars are connected with and supported by the support roller, the bearing(4) is mounted on the bearing base(6) supported by a support part(5), the axial end of the roll collar(7) is on the one end of an annular groove for containing adjacent bearings, and the annular groove is between the core axle and the roll collars. The bearing with great axial width is mounted on the support roller assembly for improving the bearing capacity.
Description
Technical field
The present invention relates to a kind of supporting construction, particularly relate to a kind of Support roller assembly.
Background technology
Support roller assembly is a kind of mechanical field bracing or strutting arrangement commonly used, and it is widely used in such as on the plant equipment such as multi-roll mill.The traditional Support roller assembly that is used for multi-roll mill comprises with the Support roller assembly of back lining bearing as supporting member, and with the Support roller assembly of heavy wall steel loop as supporting member.With back lining bearing comprise a mandrel as the Support roller assembly of supporting member and alternately be installed in band thickening outer ring on the mandrel by lining bearing and saddle.Quilt lining bearing bears the load from the multi-roll mill middle support rollers, and load is passed to the memorial archway of milling train by mandrel and saddle.Because the outer ring by the lining bearing is that line contacts with middle support rollers, therefore makes and worsened by the force-bearing situation of lining bearing.Having only one to two rolling element stressed in the rolling element in the back lining bearing, make normal damage that back lining bearing causes because of fatigue seldom, is to make for above-mentioned reasons by the service life of lining bearing to reduce greatly on the contrary.
With the Support roller assembly of heavy wall steel loop as supporting member, commemorate the mill Support roller assembly of company as Japanese Jitian, comprise one by the mandrel that is fixed in the roller bearings in the memorial archway, and between each bearing, being installed in heavy wall steel loop on the mandrel, steel loop is used for contacting with the middle support rollers of multi-roll mill.Because the roll-force of milling train is bigger, though the bearing force-bearing situation of this Support roller assembly is better, bearing width is narrower, causes the bearing capacity of bearing less.And the bearing capacity of bearing is directly proportional with the width of bearing, if improve the bearing capacity of bearing with the increasing bearing width, then must cause the axial width of heavy wall steel loop to narrow down, thereby the contact length of heavy wall steel loop and intermediate calender rolls shortens, the contact stress that will cause steel loop and intermediate calender rolls rises significantly like this, damages.
Summary of the invention
The purpose of this invention is to provide a kind of Support roller assembly, it can reduce the support component and the supported interelement contact stress of Support roller assembly when improving bearing load carrying capacity, thereby improves the overall bearing capacity of Support roller assembly.
For achieving the above object, according to first aspect present invention, a kind of Support roller assembly is provided, comprise mandrel, alternately be arranged on collars and bearing on the described mandrel, described collars is suitable for contacting so that supported element is provided support with supported element, described bearing is installed on the bearing block, and described bearing block is suitable for by a supporting units support, is in the axial end portion of described collars and is formed with an annular groove between described mandrel and the collars in order to put an end of adjacent bearing.
In Support roller assembly of the present invention, be in by axial end and be formed with an annular groove between described mandrel and the collars at collars, make bearing to be installed in the described annular groove by nested mode.Therefore, can install and use the bigger bearing of axial width to improve the bearing capacity of bearing, and the axial contact length of collars and intermediate calender rolls is increased, thus reduced and the collars intermediate calender rolls between contact stress, improved the bearing capacity of whole Support roller assembly.
According to second aspect present invention, provide a kind of multi-roll mill that is fitted with according to the Support roller assembly of first aspect present invention.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and Examples, wherein
Fig. 1 is the local longitudinal profile view of the Support roller assembly of one embodiment of the invention;
Fig. 2 is the longitudinal profile view of the Support roller assembly of another embodiment of the present invention;
Fig. 3 is the cross sectional view along the III-III line intercepting of Fig. 1.
The specific embodiment
As illustrated in fig. 1 and 2, Support roller assembly of the present invention comprises a mandrel 3, and collars 7 and biserial circular cone roller bearing 4 alternately are installed on mandrel 3, and bearing 4 is fitted in the hole that forms on the corresponding bearing block 6.
Collars 7 is installed on the mandrel in the mode circumferentially fixing with respect to mandrel 3, so that rotate with mandrel.Collars 7 can be installed on the mandrel 3 by the mode such as interference fit or key connecting, and is used for contacting so that provide radial support to element 1 with the element 1 that remains to be supported.
Bearing and bearing block thereof in the inboard are installed between the adjacent collars, a side and the supported interelement adjacent with supported element 1 of each bearing block separate suitable distance, and a side relative with supported element 1 of bearing block is suitable for contacting with a support component 5, described support component is in order to supporting bearing base, thereby whole Support roller assembly is provided support.Be positioned at the adjacent setting of outermost bearing and bearing block thereof with the outermost collars.Similarly, a side and the supported interelement adjacent with supported element 1 of outermost bearing block separate suitable distance, and a side relative with supported element 1 of bearing block contacts with support component 5.
As illustrated in fig. 1 and 2, collars 7 is a cylindrical member, be formed with an axially extending bore in the center, and two axial end faces of collars 7 are formed with a central recessed portion respectively, thereby respectively are formed with an annular circumferential wall 9 that is radially spaced with described axially extending bore in two axial ends of collars.When collars is installed on the mandrel, between the inner peripheral surface of the circumferential wall 9 of the external peripheral surface of mandrel and collars, form an annular groove, in order to put an end of adjacent bearing.
In the embodiment of Support roller assembly of the present invention shown in Figure 1, show a kind of structure of bearing block 6.As shown in Figure 1, bearing block 6 is essentially a planar plate members, is formed with an axially extending bore on it, is used for equipped corresponding bearing.Under the assembled state of Support roller assembly, in the gap that bearing block 6 forms between the axial end of each adjacent with it collars 7 and spaced apart with the collars axial end.For thereby the axial contact length that increases bearing block 6 and support component 5 improves the bearing block force-bearing situation, as illustrated in fig. 1 and 2, can bearing block 6 with support component 5 contacted sides on form the extension 10 that extends vertically.
Fig. 2 shows another embodiment of Support roller assembly of the present invention.The Support roller assembly of this embodiment is substantially the same in structure with that shown in Figure 1, and difference is: structure and that shown in Figure 1 of bearing block 6 are different.As shown in Figure 2, in this embodiment, the axial width of the part that is formed with axially extending bore of bearing block 6 is greater than the axial width of bearing block remainder, thereby is formed with the annular protrusion around axially extending bore in the axial both sides of bearing block 6.Under the assembled state of Support roller assembly, as shown in Figure 2, also be located in the annular groove that forms between annular circumferential wall 9 inner peripheral surfaces at the external peripheral surface of mandrel and place, collars end at the annular protrusion around axially extending bore of bearing block 6 axial both sides; And the end play between the axial end of adjacent collars 7 is slightly larger than the axial width of bearing block remainder, thereby in the gap that the remainder of bearing block 6 forms between the axial end of each adjacent with it collars 7 and spaced apart with the collars axial end.Similarly, thus for the axial contact length that increases bearing block 6 and support component 5 improves the bearing block force-bearing situation, as shown in Figure 2, can bearing block 6 with support component 5 contacted sides on form the extension 10 that extends vertically.
Be example with the multi-roll mill below, the operation principle of Support roller assembly of the present invention is described.
Support roller assembly of the present invention is used as the outermost backing roll in multi-roll mill.At the multi-roll mill duration of work, roll-force is delivered on the collars as the Support roller assembly of outermost backing roll via working roll, intermediate calender rolls, and collars is delivered to the power of being born on the bearing block via mandrel and bearing, and bearing block is delivered to the power of bearing on the memorial archway 5 of milling train again.
In Support roller assembly of the present invention,, make bearing to be installed in the annular groove that forms between collars and the mandrel by nested mode by on the axial end of collars 7, forming the circumferential wall 9 that is radially spaced with axially extending bore.Therefore, can install and use the bigger bearing of axial width.The result had both increased the width of bearing, had improved the bearing capacity of bearing; Increased the axial contact length of collars 7 again, reduced contact stress, improved the bearing capacity of whole Support roller assembly with intermediate calender rolls 1.In addition, adopt the bearing block that has the portion of extending axially in itself and support component 5 contacted sides, increased the axial contact length of bearing block and support component, thereby reduced contact stress,
Top preferred embodiments of the present invention have been disclosed for illustrative, but those of ordinary skills are to be understood that, above exemplary embodiments just be used to the present invention is described and non-limiting the present invention can make various improvement to the present invention under the situation that does not deviate from spirit and scope of the invention.
For example, in the above embodiments, described bearing 4 is a biserial circular cone roller bearing, is not limited thereto but can be used for bearing of the present invention, but also can adopts other forms of bearing, as long as they can provide required radial support to mandrel.For example, bearing both can adopt rolling bearing also can adopt sliding bearing; Bearing both can be that solid box also can be a divided bearing.Bearing block can adopt monolithic construction or split type structure.Under the situation that adopts the split-type shaft bearing, as shown in Figure 3, the two parts up and down that constitute bearing block link together by screw.
In the above-described embodiments, mandrel and collars are parts independently.But can as the case may be mandrel and collars be made of one.Mandrel 3 also is not limited to illustrated structure, and the built-up shaft of being made up of the shaft part more than two sections or two sections can adopt equally.Equally, the application of Support roller assembly of the present invention also is not limited to multi-roll mill, and it can be applied to other application scenarios equally.
Claims (13)
1, a kind of Support roller assembly, described Support roller assembly comprises mandrel (3), alternately be arranged on collars (7) and bearing (4) on the described mandrel, described collars is suitable for contacting so that supported element is provided support with supported element, described bearing (4) is installed on the bearing block (6), described bearing block is suitable for being supported by a support component (5), it is characterized in that, be in the axial end portion of described collars (7) and be formed with an annular groove between described mandrel and the collars in order to put an end of adjacent bearing.
2, Support roller assembly according to claim 1 is characterized in that: described collars and described mandrel are integrally formed.
3, Support roller assembly according to claim 1, it is characterized in that: described collars and described mandrel are separate parts, described collars is formed with an axially extending bore and is installed on the described mandrel by axially extending bore, described collars (7) is formed with central indentation on its axial end, thereby the axial end portion at collars is formed with the annular circumferential wall (9) that is radially spaced with described axially extending bore, when collars was installed on the mandrel, described annular groove ring was formed between the inner peripheral surface of circumferential wall of mandrel and collars.
4, Support roller assembly according to claim 1 is characterized in that: described bearing block (6) be one with the support component that it is provided support (5) parts independently mutually.
5, Support roller assembly according to claim 1 is characterized in that: described bearing block (6) with its support component that provides support (5) is formed one.
6, Support roller assembly according to claim 4 is characterized in that: described bearing block (6) form the extension (1 0) that extends vertically with the contacted side of described support component (5)
7, Support roller assembly according to claim 3 is characterized in that: described collars (7) is installed on the described mandrel (3) by interference fit.
8, Support roller assembly according to claim 3 is characterized in that: described collars (7) is installed on the described mandrel (3) by the key connecting mode.
9, according to each described Support roller assembly among the claim 1-8, it is characterized in that: described bearing block is a monolithic construction.
10, according to each described Support roller assembly among the claim 1-8, it is characterized in that: described bearing block is a split type structure.
11, Support roller assembly according to claim 1 is characterized in that: described bearing (4) comprises biserial circular cone roller bearing.
12, according to each described Support roller assembly among the claim 1-8, it is characterized in that: described mandrel (3) comprises the mandrel of forming by at least two sections.
13, a kind of multi-roll mill comprises working roll and backing roll, it is characterized in that, the outermost backing roll of described multi-roll mill is the described Support roller assembly of above-mentioned each claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031411312A CN100345642C (en) | 2003-06-09 | 2003-06-09 | Subassemblies of supporting roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031411312A CN100345642C (en) | 2003-06-09 | 2003-06-09 | Subassemblies of supporting roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1565764A true CN1565764A (en) | 2005-01-19 |
| CN100345642C CN100345642C (en) | 2007-10-31 |
Family
ID=34470845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031411312A Expired - Fee Related CN100345642C (en) | 2003-06-09 | 2003-06-09 | Subassemblies of supporting roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100345642C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349663C (en) * | 2005-08-10 | 2007-11-21 | 郑红专 | Press mark less multi roller mill having bidimensional controlled roll shape |
| CN100351023C (en) * | 2005-08-10 | 2007-11-28 | 郑红专 | Multi roll mill with roll shape bending two dimension controlling |
| CN100374221C (en) * | 2005-08-10 | 2008-03-12 | 郑红专 | Multi roller mill for eliminating belt mill trace |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106215A (en) * | 1992-09-29 | 1994-04-19 | Mitsubishi Heavy Ind Ltd | Lubricating/sealing device for sleeve type divided back-up roll |
| DE4241267A1 (en) * | 1992-12-08 | 1994-06-09 | Froehling Josef Gmbh | Multi-roll stand |
| JP3838317B2 (en) * | 1999-04-13 | 2006-10-25 | 株式会社ジェイテクト | Split backup roll for rolling mill |
| CN2631658Y (en) * | 2003-06-09 | 2004-08-11 | 郑红专 | Supporting roller assembly |
-
2003
- 2003-06-09 CN CNB031411312A patent/CN100345642C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349663C (en) * | 2005-08-10 | 2007-11-21 | 郑红专 | Press mark less multi roller mill having bidimensional controlled roll shape |
| CN100351023C (en) * | 2005-08-10 | 2007-11-28 | 郑红专 | Multi roll mill with roll shape bending two dimension controlling |
| CN100374221C (en) * | 2005-08-10 | 2008-03-12 | 郑红专 | Multi roller mill for eliminating belt mill trace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100345642C (en) | 2007-10-31 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zheng Zhou Tuopu rolling technology Co., Ltd Assignor: Zheng Hongzhuan|Zhao Linzhen Contract fulfillment period: 2008.11.10 to 2013.11.9 contract change Contract record no.: 2008410000133 Denomination of invention: Subassemblies of supporting roller Granted publication date: 20071031 License type: Exclusive license Record date: 2008.12.2 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.10 TO 2013.11.9; CHANGE OF CONTRACT Name of requester: ZHENG ZHOU TUOPU ROLLING TECHNOLOGY CO., LTD. Effective date: 20081202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20140609 |
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| EXPY | Termination of patent right or utility model |