CN104132064B - A kind of wire roller crossed-circle taper roller bearing - Google Patents
A kind of wire roller crossed-circle taper roller bearing Download PDFInfo
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- CN104132064B CN104132064B CN201410314335.0A CN201410314335A CN104132064B CN 104132064 B CN104132064 B CN 104132064B CN 201410314335 A CN201410314335 A CN 201410314335A CN 104132064 B CN104132064 B CN 104132064B
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Abstract
The present invention relates to a kind of wire roller crossed-circle taper roller bearing, it is made up of taper roller (1), retainer (2), wire roller (3), inner ring frame frame (4) and outer shroud framework (5); Wire roller (3) ringwise but do not seal, and contains raceway inclined-plane, wire roller (3-1) and (3-2) being arranged in the groove of inner ring frame frame (4), wire roller (3-3) and (3-4) being arranged in the groove of outer shroud framework (5); On retainer (2), have two groups of square crossings to arrange and measure-alike conical bore (2-1), the centre of gyration line of conical bore (2-1) and the centre of gyration line of retainer are 45 °, and taper roller (1) is placed in respectively in described two groups of conical bores (2-1); Taper roller (1) the respectively raceway inclined-plane Contact of two wire rollers (3) on the diagonal angle perpendicular to its centre of gyration line rolls. The present invention can bear large axial force and large radial load simultaneously, and simple in structure, stress form is flexible.
Description
Technical field
The present invention relates to technical field of rolling bearings, particularly a kind of wire roller crossed-circle taper roller bearing.
Background technology
At present, wire roller bearing, because its radial dimension is large, axial dimension is little, rotating accuracy is high, rotary inertia is little, be convenient to the features such as maintain and replace, is widely used in the slewing equipment of the machine of the industries such as solar energy, robot, weaving.
Traditional wire roller bearing, using ball as rolling element, rolls on four steel wires of ball in the cannelure that is embedded into inner and outer ring framework, and contact-making surface is arcuate groove face, and axial force and radial load that kind of bearings can bear are all less.
There is a class wire roller bearing using roller as rolling element, the centre of gyration line of roller and the centre of gyration line parallel of bearing, on four steel wires of roller in the cannelure that is embedded into inner and outer ring framework, roll, contact-making surface is flat roller surface, kind of bearings can bear larger radial load, but can not bear axial force.
Also has a class wire roller bearing using ball and roller simultaneously as rolling element, on four round wires of ball in the cannelure that is embedded into inner and outer ring framework, roll, the centre of gyration line of roller and the centre of gyration line parallel of bearing, by controlling radial clearance, allow ball bear axial force, roller bearing radial force, the above two kinds of bearings of kind of bearings, radially bearing capacity is improved largely, axial carrying capacity also makes moderate progress, but the occasion of bearing larger axial force for needs still can not satisfy the demands, and this class bearing needs the steel wire total number of processing grinding to reach eight, expend more man-hour, processing cost is higher.
Summary of the invention
The object of the invention is to the deficiency of the correlation technique existence that overcomes existing wire roller bearing, a kind of novel wire roller crossed-circle taper roller bearing structure is provided, this kind of wire roller crossed-circle taper roller bearing is simple in structure, a drawing moulding of wire roller, saved processing cost and man-hour, the friction loss of bearing reduces, and has improved bearing load amount, this bearing can bear the axial force of both direction, has expanded the application scenario of bearing.
The object of the invention is to be achieved through the following technical solutions.
Wire roller crossed-circle taper roller bearing of the present invention, formed by taper roller (1), retainer (2), wire roller (3), inner ring frame frame (4) and outer shroud framework (5), it is characterized in that: described wire roller (3) ringwise but do not seal, and contain raceway inclined-plane, wire roller (3-1) and (3-2) being arranged in the groove of inner ring frame frame (4), wire roller (3-3) and (3-4) being arranged in the groove of outer shroud framework (5); On described retainer (2), there is square crossing to arrange and measure-alike conical bore (2-1), the centre of gyration line of the centre of gyration line of conical bore (2-1) and retainer (2) is 45 °, and taper roller (1) is placed in respectively in described conical bore (2-1); Described taper roller (1) the respectively raceway inclined-plane Contact of two wire rollers (3) on the diagonal angle perpendicular to its centre of gyration line rolls, and the mode of touch scrolling is: centre of gyration line contacts with the raceway inclined-plane of wire roller (3-1) and (3-3) with the taper seat of one group of taper roller (1-1) that wire roller (3-2) overlaps with (3-4) diagonal angle line simultaneously, and taper roller (1-1) rolls at wire roller (3-1) with (3-3); Centre of gyration line contacts with the raceway inclined-plane of wire roller (3-2) and (3-4) with the taper seat of one group of taper roller (1-2) that wire roller (3-1) overlaps with (3-3) diagonal angle line simultaneously, and taper roller (1-2) rolls at wire roller (3-2) with (3-4).
The centre of gyration line of described taper roller (1) and bearing centre of gyration line are 45 °, the small end of taper roller (1) is all towards bearing inner ring framework (4), hold all towards outer race framework (5) greatly, distance between the raceway inclined-plane of two wire rollers (3) on the diagonal angle that the Length Ratio of taper roller (1) and its centre of gyration overlap is little, and taper roller (1) can bear axial force and radial load simultaneously.
The revolution section of described retainer (2) is square, and the centre of gyration line of retainer (2) is parallel with a diagonal of square revolution section, on four faces of retainer (2), all there is a groove (2-2), the degree of depth of groove (2-2) is at least opened to till the taper seat of conical bore (2-1), and the taper seat that taper roller (1) exposes in the groove (2-2) of retainer (2) contacts cooperation with the raceway inclined-plane of wire roller (3).
The gradient on the raceway inclined-plane of described wire roller (3) is identical with the tapering of taper roller (1), and wire roller (3-1) is orthogonal with diagonal angle line (3-4) with diagonal angle line and wire roller (3-2) (3-3).
The mounting means of described taper roller (1) on retainer (2) is: the large end of the large end corresponding circle taper hole (2-1) of taper roller (1) is installed, and the small end of the small end corresponding circle taper hole (2-1) of taper roller (1) is installed.
Described outer shroud framework (5) is divided into upper and lower two parts by the plane that is parallel to bearing face, by bolt a(8) connect to form, between upper and lower two parts, can embed and adjust pad (6), adjust pad (6) by reconditioning and reach bearing pre-tightened effect.
The present invention adopts above technical scheme, has following beneficial effect.
1, simple in structure, machining period and cost reduction. This wire roller crossed-circle taper roller bearing has improved the present situation of eight wire rollers of roller ball composite bearing, continue to use the version of four wire rollers of original wire roller bearing, the disposable drawing moulding of wire roller, the manufacture method of this kind of wire roller, having reduced machining period, has been saved processing cost.
2, stress form is flexible, and range of application expands. Two groups of taper roller square crossings of this wire roller crossed-circle taper roller bearing are arranged, the centre of gyration line of taper roller and the centre of gyration of bearing are 45 ° of angles, this bearing can bear the axial force of both direction, and no matter axial force is applied on bearing inner ring framework or outer race framework, no matter radial load is applied to the latter half of outer shroud framework the first half or outer shroud framework, this bearing all can meet stress condition, and therefore the scope of application increases greatly.
3, bearing friction loss reduces, load improves. Using taper roller as rolling element, when taper roller revolves round the sun with bearing, between wire roller, there is rotation, and roll more than slip, therefore the friction loss of bearing is relatively little in this wire roller crossed-circle taper roller bearing. Two groups of taper roller cross arrangements of this wire roller crossed-circle taper roller bearing can be born very large axial force and large radial load simultaneously, and load improves greatly compared with traditional bearing.
Brief description of the drawings
Fig. 1 is the structural section figure of wire roller crossed-circle taper roller bearing of the present invention, and bearing centre of gyration line is passed through in this cross section, and by the centre of gyration line of bolt on outer shroud framework.
Fig. 2 is the another kind of structural section figure of wire roller crossed-circle taper roller bearing of the present invention, and bearing centre of gyration line is passed through in this cross section, and passes through the bisector plane of outer shroud framework at circumferencial direction.
Fig. 3 is the cutaway view of retainer of the present invention.
Fig. 4 is the axonometric drawing of retainer of the present invention.
Fig. 5 is the structural representation of taper roller of the present invention.
Fig. 6 is the structural representation of wire roller of the present invention.
Shown in figure: 1-taper roller, 2-retainer, 3-wire roller, 4-inner ring frame frame, 5-outer shroud framework, 6-adjust pad, 7-sealing ring, 8-bolt a, 9-pin, 10-bolt b.
Detailed description of the invention
Also by reference to the accompanying drawings structure and the operation principle of wire roller crossed-circle taper roller bearing of the present invention are described further below by embodiment.
Embodiment mono-.
In the present embodiment, the structure of wire roller crossed-circle taper roller bearing as shown in Figure 1, comprise two groups of taper rollers, be respectively (1-1) and (1-2), a retainer (2), four wire rollers, are respectively (3-1), (3-2), (3-3) and (3-4), an inner ring frame frame (4) and an outer shroud framework (5).
Two groups of taper rollers (1-1) and (1-2) measure-alike, and in the cross arrangement of bearing internal vertical, all can bear axial force and radial load simultaneously. The centre of gyration line of taper roller (1) and bearing centre of gyration line are 45 °, and the large end of taper roller (1) is all towards outer race framework (5), and small end is all towards bearing inner ring framework (4).
The revolution section of retainer (2) is square, and the centre of gyration line of retainer (2) is parallel with a diagonal of square revolution section, on the circumference of retainer (2), being evenly distributed two groups of square crossings arranges and measure-alike conical bore (2-1), the small end of conical bore (2-1) is all towards the inner ring frame frame (4) of bearing, hold all towards the outer shroud framework (5) of bearing greatly, the centre of gyration line of conical bore (2-1) and retainer (2) centre of gyration line are 45 °. On four faces of retainer (2), all there is an annular groove (2-2), the degree of depth of groove (2-2) is at least opened to till the taper seat of conical bore (2-1), and the taper seat that taper roller (1) exposes in the groove (2-2) of retainer (2) contacts cooperation with the raceway inclined-plane of wire roller (3).
Wire roller (3) ringwise, but do not seal, wire roller (3-1) and (3-2) measure-alike, wire roller (3-3) and (3-4) measure-alike, four wire rollers (3) all contain raceway inclined-plane, the gradient on raceway inclined-plane is identical with the tapering of taper roller (1), wire roller (3-1) and (3-2) being arranged in the groove of inner ring frame frame (4), wire roller (3-3) and (3-4) being arranged in the groove of outer shroud framework (5), wire roller (3-1) is orthogonal with diagonal angle line (3-4) with diagonal angle line and wire roller (3-2) (3-3).
Centre of gyration line contacts with the raceway inclined-plane of wire roller (3-1) and (3-3) with the taper seat of one group of taper roller (1-1) that wire roller (3-2) overlaps with (3-4) diagonal angle line simultaneously, taper roller (1-1) rolls at wire roller (3-1) with (3-3), distance between the Length Ratio wire roller (3-2) of taper roller (1-1) and two raceway inclined-planes (3-4) is little, and the end face of taper roller (1-1) does not contact with the raceway inclined-plane of wire roller (3-2) and (3-4).
Centre of gyration line contacts with the raceway inclined-plane of wire roller (3-2) and (3-4) with the taper seat of one group of taper roller (1-2) that wire roller (3-1) overlaps with (3-3) diagonal angle line simultaneously, taper roller (1-2) rolls at wire roller (3-2) with (3-4), distance between the Length Ratio wire roller (3-1) of taper roller (1-2) and two raceway inclined-planes (3-3) is little, and the end face of taper roller (1-2) does not contact with the raceway inclined-plane of wire roller (3-1) and (3-3).
The large end of the large end corresponding circle taper hole (2-1) of taper roller (1) is installed, and the small end of the small end corresponding circle taper hole (2-1) of taper roller (1) is installed
Outer shroud framework (5), is divided into upper and lower two parts by the plane that is parallel to bearing face, by bolt a(8) connect to form, between upper and lower two parts, can embed and adjust pad (6), adjust pad (6) by reconditioning and reach bearing pre-tightened effect.
Embodiment bis-.
As shown in Figure 2, in the present embodiment, two semicircular ring that outer shroud framework (5) is divided equally into by the bisector plane of circumferencial direction are through locating by pin (9) and passing through bolt b(10) be formed by connecting, the seam crossing of two semicircular ring can embed suitable pad, reach the flexibility of adjusting bearing, all the other are with embodiment mono-.
Embodiment tri-.
As shown in Figure 1, in the present embodiment, sealing ring (7) is arranged on the correspondence position of outer shroud framework (5) and inner ring frame frame (4), and bearing inside is play a part dustproof, and all the other are with embodiment mono-.
Claims (6)
1.A kind of wire roller crossed-circle taper roller bearing, formed by taper roller (1), retainer (2), wire roller (3), inner ring frame frame (4) and outer shroud framework (5), it is characterized in that: described wire roller (3) ringwise but do not seal, and contain raceway inclined-plane, the first wire roller (3-1) and the second wire roller (3-2) are arranged in the groove of inner ring frame frame (4), and the 3rd wire roller (3-3) and the 4th wire roller (3-4) are arranged in the groove of outer shroud framework (5); On described retainer (2), there is square crossing to arrange and measure-alike conical bore (2-1), the centre of gyration line of the centre of gyration line of conical bore (2-1) and retainer (2) is 45 °, and taper roller (1) is placed in respectively in described conical bore (2-1); Described taper roller (1) the respectively raceway inclined-plane Contact of two wire rollers (3) on the diagonal angle perpendicular to its centre of gyration line rolls, and the mode of touch scrolling is: centre of gyration line contacts with the raceway inclined-plane of the 3rd wire roller (3-3) with the first wire roller (3-1) with the taper seat of one group of taper roller (1-1) that the second wire roller (3-2) overlaps with the 4th wire roller (3-4) diagonal angle line simultaneously, and taper roller (1-1) rolls between the first wire roller (3-1) and the 3rd wire roller (3-3); Centre of gyration line contacts with the raceway inclined-plane of the 4th wire roller (3-4) with the second wire roller (3-2) with the taper seat of one group of taper roller (1-2) that the first wire roller (3-1) overlaps with the 3rd wire roller (3-3) diagonal angle line simultaneously, and taper roller (1-2) rolls between the second wire roller (3-2) and the 4th wire roller (3-4).
2.Wire roller crossed-circle taper roller bearing according to claim 1, it is characterized in that: the centre of gyration line of described taper roller (1) and bearing centre of gyration line are 45 °, the small end of taper roller (1) is all towards bearing inner ring framework (4), hold all towards outer race framework (5) greatly, distance between the raceway inclined-plane of two wire rollers (3) on the diagonal angle that the Length Ratio of taper roller (1) and its centre of gyration overlap is little, and taper roller (1) can bear axial force and radial load simultaneously.
3.Wire roller crossed-circle taper roller bearing according to claim 1, it is characterized in that: the revolution section of described retainer (2) is square, and the centre of gyration line of retainer (2) is parallel with a diagonal of square revolution section, the small end of conical bore (2-1) is all towards bearing inner ring framework (4), the large end of conical bore (1-2) is all towards the outer shroud framework (5) of bearing, on four faces of retainer (2), all there is a groove (2-2), the degree of depth of groove (2-2) is at least opened to till the taper seat of conical bore (2-1), the taper seat that taper roller (1) exposes in the groove (2-2) of retainer (2) contacts cooperation with the raceway inclined-plane of wire roller (3).
4.Wire roller crossed-circle taper roller bearing according to claim 1, it is characterized in that: the gradient on the raceway inclined-plane of described wire roller (3) is identical with the tapering of taper roller (1), the first wire roller (3-1) is orthogonal with the diagonal angle line of the 4th wire roller (3-4) with diagonal angle line and second wire roller (3-2) of the 3rd wire roller (3-3).
5.Wire roller crossed-circle taper roller bearing according to claim 1, it is characterized in that: the mounting means of described taper roller (1) on retainer (2) is: the large end of the large end corresponding circle taper hole (2-1) of taper roller (1) is installed, and the small end of the small end corresponding circle taper hole (2-1) of taper roller (1) is installed.
6.Wire roller crossed-circle taper roller bearing according to claim 1, it is characterized in that: described outer shroud framework (5) is divided into upper and lower two parts by the plane that is parallel to bearing face, by bolt a(8) connect to form, between upper and lower two parts, embed and adjust pad (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314335.0A CN104132064B (en) | 2014-07-04 | 2014-07-04 | A kind of wire roller crossed-circle taper roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410314335.0A CN104132064B (en) | 2014-07-04 | 2014-07-04 | A kind of wire roller crossed-circle taper roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132064A CN104132064A (en) | 2014-11-05 |
| CN104132064B true CN104132064B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410314335.0A Active CN104132064B (en) | 2014-07-04 | 2014-07-04 | A kind of wire roller crossed-circle taper roller bearing |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050933A (en) * | 2016-07-21 | 2016-10-26 | 洛阳鸿元轴承科技有限公司 | Retainer and crossed roller bearing provided with same |
| CN110864045B (en) * | 2019-12-26 | 2024-03-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Ball bearing with replaceable wear contact areas |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3629173A1 (en) * | 1986-08-28 | 1988-03-10 | Kabus Horst Maschf | CROSS ROLLER BEARING |
| DE4142433C1 (en) * | 1991-12-20 | 1993-05-27 | Ibo Gesellschaft Fuer Beschaffung Und Absatz Von Industrieguetern Mbh, 8011 Kirchheim, De | Combined roller and ball bearing with inner and outer races - is of thin race type with rollers and balls of same dia. and on same race tracks |
| JP4173234B2 (en) * | 1998-11-30 | 2008-10-29 | Ｔｈｋ株式会社 | Cross roller bearing and retainer for cross roller bearing |
| CN2779140Y (en) * | 2004-12-31 | 2006-05-10 | 瓦房店轴承集团有限责任公司 | Double row integrated angular contact cylindrical roller rotary supporting bearing |
| JPWO2007108304A1 (en) * | 2006-03-15 | 2009-08-06 | Thk株式会社 | Needle roller bearings for compound loads |
| CN201891735U (en) * | 2010-10-14 | 2011-07-06 | 洛阳鸿元轴承科技有限公司 | Fixing ring structure for outer rings of crossed cylindrical roller bearing |
| CN103790940B (en) * | 2012-11-02 | 2016-09-14 | 上银科技股份有限公司 | Sized cross roller bearings and keeper thereof |
| CN203926391U (en) * | 2014-07-04 | 2014-11-05 | 四川大学 | A kind of wire roller crossed-circle taper roller bearing |
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2014
- 2014-07-04 CN CN201410314335.0A patent/CN104132064B/en active Active
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