CN103711791A - Composite bearing with eccentric structure - Google Patents
Composite bearing with eccentric structure Download PDFInfo
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- CN103711791A CN103711791A CN201310729806.XA CN201310729806A CN103711791A CN 103711791 A CN103711791 A CN 103711791A CN 201310729806 A CN201310729806 A CN 201310729806A CN 103711791 A CN103711791 A CN 103711791A
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- eccentric
- ring
- rolling element
- inner ring
- combined type
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Abstract
The invention discloses a composite bearing with an eccentric structure. The composite bearing comprises an outer ring, an inner ring, an eccentric ring, a plurality of outer ring rolling body groups and a plurality of inner ring rolling body groups, wherein the eccentric ring is arranged between the outer ring and the inner ring, the plurality of outer ring rolling body groups are arranged in a rolling path of the outer ring and an outer side rolling path of the eccentric ring in a matching way, the plurality of inner ring rolling body groups are arranged in an inner side rolling path of the eccentric ring and a rolling path of the inner ring in a matching way, and the eccentric ring is provided with a plurality of screw holes used for being connected with an eccentricity control mechanism, and positioning pin holes used for positioning the eccentricity control mechanism. Through the manner, the composite bearing disclosed by the invention can accurately control the eccentricity of the bearing, guarantee the high-precision operation of a main shaft, and achieve the purposes of simplifying the eccentric mechanism, and saving the internal space.
Description
Technical field
The present invention relates to technical field of bearings, particularly relate to a kind of combined type bearing with eccentric structure.
Background technique
Conventional capacity eccentric bearing need to be comprised of three parts: an eccentric bushing and two cylindrical rollers, the inner lane of eccentric bushing and bearing integrates, and forms capacity eccentric bearing.It has eccentric function, function singleness, and complex structure, and parts are various; In addition, aspect offset adjusting, need external offset control mechanism, this just makes whole mechanism complicated.And adopt other eccentric structure, install, regulate more difficult again, and poor seismic behavior.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of combined type bearing with eccentric structure, can accurately control the offset of bearing, ensures the running at high precision of main shaft, has reached the object of simplifying eccentric stiffener, saving inner space.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: a kind of combined type bearing with eccentric structure is provided, comprise: outer ring, inner ring, eccentric hoop, some outer rings rolling element group and some inner ring rolling element groups, described eccentric hoop is arranged at the centre of described outer ring and described inner ring, and some described outer ring rolling element assembly are closed and are arranged in the raceway of described outer ring and the outboard raceway of described eccentric hoop, the assembly of some described inner ring rolling elements is closed and is arranged in the inboard raceways of described eccentric hoop and the raceway of described inner ring, on described eccentric hoop, offer some for connecting the screw of offset control mechanism, and for the positioning pin hole with offset control mechanism location.
In a preferred embodiment of the present invention, some described outer rings rolling element group is some rolling element group or some rolling element groups that guide by retainer of completely filling.
In a preferred embodiment of the present invention, some described inner ring rolling element groups are some rolling element group or some rolling element groups that guide by retainer of completely filling.
In a preferred embodiment of the present invention, described retainer is brass solid cage.
In a preferred embodiment of the present invention, the both sides of the inboard raceways of described eccentric hoop are equipped with locking groove, are provided with for to the spacing stop ring of inner ring rolling element group in described locking groove.
In a preferred embodiment of the present invention, one side of the outboard raceway of described eccentric hoop is provided with rib, and another side is provided with locking groove, is provided with stop back-up ring in described locking groove, one end of described outer ring is spacing by described rib, and the other end is by described stop retainer ring spacing.
In a preferred embodiment of the present invention, between described outer ring and described eccentric hoop, be also provided with seal ring.
In a preferred embodiment of the present invention, on described eccentric hoop, be also provided with some oil holes that lead to the inboard raceways of described eccentric hoop.
The invention has the beneficial effects as follows: by screw and locating stud are set on eccentric hoop, for connecting offset control mechanism, make the angle of swing of eccentric hoop adjustable, realize the accurate control of the offset of bearing internal external ring; Also can ensure the running at high precision of assembling main shaft, reached the object of simplifying eccentric stiffener, saving inner space simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention has combined type bearing one preferred embodiment of eccentric structure;
Fig. 2 is the left view shown in Fig. 1 with the combined type bearing of eccentric structure;
In accompanying drawing, the mark of each parts is as follows: 1, outer ring, 2, eccentric hoop, 21, screw, 22, positioning pin hole, 23, oil hole, 3, inner ring, 4, outer ring rolling element group, 5, inner ring rolling element group, 51, retainer, 6, stop ring, 7, stop back-up ring, 8, seal ring.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention comprises:
A kind of combined type bearing with eccentric structure, comprise: outer ring 1, inner ring 3, eccentric hoop 2, some outer rings rolling element group 4 and some inner ring rolling element groups 5, wherein, described eccentric hoop 2 is arranged at the centre of described outer ring 1 and described inner ring 3, and some described outer rings rolling element group 4 is equipped with in the raceway of described outer ring 1 and the outboard raceway of described eccentric hoop 2, some described inner ring rolling element groups 5 are equipped with in the inboard raceways of described eccentric hoop 2 and the raceway of described inner ring 3, on described eccentric hoop 2, offer some for connecting the screw 21 of offset control mechanism, and for the positioning pin hole 22 with offset control mechanism location.
Some described outer rings rolling element group 4 can be some rolling element group or some rolling element groups that guide by retainer of completely filling.In the present embodiment, described outer ring rolling element group 4 comprises two groups of rolling elements, and described rolling element is cylindrical roller, and full installing is put.
Some described inner ring rolling element groups 5 are some rolling element group or some rolling element groups that guide by retainer of completely filling.In the present embodiment, described inner ring rolling element group 5 comprises four groups of rolling elements, and every group of rolling element is arranged in retainer 51, relies on described retainer 51 guiding.And described rolling element is cylindrical roller, described retainer 51 is brass solid cage.
The both sides of the inboard raceways of described eccentric hoop 2 are equipped with locking groove, are provided with for to the spacing stop ring 6 of described inner ring rolling element group 4 in described locking groove.
One side of the outboard raceway of described eccentric hoop 2 is provided with rib, and another side is provided with locking groove, is provided with stop back-up ring 7 in described locking groove, and one end of described outer ring 1 is spacing by described rib, and the other end is spacing by described stop back-up ring 7.
Between described outer ring 1 and described eccentric hoop 2, be also provided with seal ring 8, make its inner greasing space that forms, described greasing is marked with lubricating grease in space.
On described eccentric hoop 2, be also provided with some oil holes 23 that lead to the inboard raceways of described eccentric hoop 2, by described oil hole 23, to inner ring rolling element group 4, inject lubricant oil.
While controlling the offset of bearing, first by insert locating stud in positioning pin hole 23, make offset control mechanism realize the accurate location to bearing offset maximum value place by locating stud; By screw 21, make offset control mechanism connect eccentric hoop 2 again, and control its angle of swing, by the angle of swing of eccentric adjustment ring 2, realize the accurate control to bearing offset.
The present invention has disclosed a kind of combined type bearing with eccentric structure, by screw and locating stud are set on eccentric hoop, for connecting offset control mechanism, makes the angle of swing of eccentric hoop adjustable, realizes the accurate control of the offset of bearing internal external ring; Also can ensure the running at high precision of assembling main shaft, reached the object of simplifying eccentric stiffener, saving inner space simultaneously.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a combined type bearing with eccentric structure, it is characterized in that, comprise: outer ring, inner ring, eccentric hoop, some outer rings rolling element group and some inner ring rolling element groups, described eccentric hoop is arranged at the centre of described outer ring and described inner ring, and some described outer ring rolling element assembly are closed and are arranged in the raceway of described outer ring and the outboard raceway of described eccentric hoop, the assembly of some described inner ring rolling elements is closed and is arranged in the inboard raceways of described eccentric hoop and the raceway of described inner ring, on described eccentric hoop, offer some for connecting the screw of offset control mechanism, and for the positioning pin hole with offset control mechanism location.
2. the combined type bearing with eccentric structure according to claim 1, is characterized in that, some described outer rings rolling element group is some rolling element group or some rolling element groups that guide by retainer of completely filling.
3. the combined type bearing with eccentric structure according to claim 1, is characterized in that, some described inner ring rolling element groups are some rolling element group or some rolling element groups that guide by retainer of completely filling.
4. according to the arbitrary described combined type bearing with eccentric structure of claim 2-3, it is characterized in that, described retainer is brass solid cage.
5. the combined type bearing with eccentric structure according to claim 1, is characterized in that, the both sides of the inboard raceways of described eccentric hoop are equipped with locking groove, is provided with for to the spacing stop ring of inner ring rolling element group in described locking groove.
6. the combined type bearing with eccentric structure according to claim 1, it is characterized in that, one side of the outboard raceway of described eccentric hoop is provided with rib, another side is provided with locking groove, in described locking groove, be provided with stop back-up ring, one end of described outer ring is spacing by described rib, and the other end is by described stop retainer ring spacing.
7. the combined type bearing with eccentric structure according to claim 1, is characterized in that, between described outer ring and described eccentric hoop, is also provided with seal ring.
8. the combined type bearing with eccentric structure according to claim 1, is characterized in that, is also provided with some oil holes that lead to the inboard raceways of described eccentric hoop on described eccentric hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729806.XA CN103711791A (en) | 2013-12-26 | 2013-12-26 | Composite bearing with eccentric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729806.XA CN103711791A (en) | 2013-12-26 | 2013-12-26 | Composite bearing with eccentric structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103711791A true CN103711791A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310729806.XA Pending CN103711791A (en) | 2013-12-26 | 2013-12-26 | Composite bearing with eccentric structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN103711791A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088900A (en) * | 2014-06-25 | 2014-10-08 | 安徽枞晨回转支承有限公司 | Two-shaft three-circle double-array eccentric needle bearing combination |
| CN108869537A (en) * | 2018-09-18 | 2018-11-23 | 无锡市海峰海林精密轴承有限公司 | A kind of adjustable bearing assembly of eccentricity |
| CN110285145A (en) * | 2019-07-10 | 2019-09-27 | 无锡诚石轴承有限公司 | Bearing with eccentric inner hole |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2668919Y (en) * | 2003-12-11 | 2005-01-05 | 张立芳 | Dual-eccentric hollow cylinder roller bearing |
| CN2920635Y (en) * | 2006-06-09 | 2007-07-11 | 郑良才 | Force applying mechanism for press |
| DE102008016358A1 (en) * | 2008-03-29 | 2009-10-01 | Schaeffler Kg | Cylindrical roller bearing i.e. multi ring-eccentric roller bearing for e.g. sheet printing machine, has indentations and recesses feeding lubricating grease in bearing to contact of rollers and discharging excess grease into storage |
| CN101725635A (en) * | 2008-10-13 | 2010-06-09 | 哈尔滨轴承集团公司 | High-precision bearing for printing machine |
| CN102505163A (en) * | 2011-11-10 | 2012-06-20 | 西安航空动力股份有限公司 | Split eccentric adjustment mechanism for mounting edge |
| CN103047277A (en) * | 2013-01-06 | 2013-04-17 | 洛阳轴研科技股份有限公司 | Double-row and double-column hollow cylindrical roller bearing comprising eccentric center ring |
| CN203717641U (en) * | 2013-12-26 | 2014-07-16 | 常熟长城轴承有限公司 | Composite bearing with eccentric structure |
-
2013
- 2013-12-26 CN CN201310729806.XA patent/CN103711791A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2668919Y (en) * | 2003-12-11 | 2005-01-05 | 张立芳 | Dual-eccentric hollow cylinder roller bearing |
| CN2920635Y (en) * | 2006-06-09 | 2007-07-11 | 郑良才 | Force applying mechanism for press |
| DE102008016358A1 (en) * | 2008-03-29 | 2009-10-01 | Schaeffler Kg | Cylindrical roller bearing i.e. multi ring-eccentric roller bearing for e.g. sheet printing machine, has indentations and recesses feeding lubricating grease in bearing to contact of rollers and discharging excess grease into storage |
| CN101725635A (en) * | 2008-10-13 | 2010-06-09 | 哈尔滨轴承集团公司 | High-precision bearing for printing machine |
| CN102505163A (en) * | 2011-11-10 | 2012-06-20 | 西安航空动力股份有限公司 | Split eccentric adjustment mechanism for mounting edge |
| CN103047277A (en) * | 2013-01-06 | 2013-04-17 | 洛阳轴研科技股份有限公司 | Double-row and double-column hollow cylindrical roller bearing comprising eccentric center ring |
| CN203717641U (en) * | 2013-12-26 | 2014-07-16 | 常熟长城轴承有限公司 | Composite bearing with eccentric structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088900A (en) * | 2014-06-25 | 2014-10-08 | 安徽枞晨回转支承有限公司 | Two-shaft three-circle double-array eccentric needle bearing combination |
| CN108869537A (en) * | 2018-09-18 | 2018-11-23 | 无锡市海峰海林精密轴承有限公司 | A kind of adjustable bearing assembly of eccentricity |
| CN110285145A (en) * | 2019-07-10 | 2019-09-27 | 无锡诚石轴承有限公司 | Bearing with eccentric inner hole |
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Application publication date: 20140409 |