CN201236883Y - Axial keeper, radial bearing and vertical shafting using the same - Google Patents
Axial keeper, radial bearing and vertical shafting using the same Download PDFInfo
- Publication number
- CN201236883Y CN201236883Y CN 200820072259 CN200820072259U CN201236883Y CN 201236883 Y CN201236883 Y CN 201236883Y CN 200820072259 CN200820072259 CN 200820072259 CN 200820072259 U CN200820072259 U CN 200820072259U CN 201236883 Y CN201236883 Y CN 201236883Y
- Authority
- CN
- China
- Prior art keywords
- axial retainer
- rolling
- retainer
- roller
- axial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/188—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with at least one row for radial load in combination with at least one row for axial load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to an axial retainer, a radial bearing adopting the axial retainer and a vertical shafting. The axial retainer comprises an isolating cylinder, and a rolling body and at least three rollers which are installed on the isolating cylinder; the rollers are installed at the lower end of the isolating cylinder and are externally tangent on the same plane, and the axial center of the isolating cylinder is positioned in a polygon formed by the tangent points of the rollers and the plane. The radial bearing comprises an inner sleeve, an outer sleeve and a blocking ring; the axial retainer is installed between the inner sleeve and the outer sleeve, and the rollers at the lower end of the axial retainer are supported on the blocking ring. The traditional sliding friction is changed into rolling friction, thereby reducing the friction resistance and improving the dynamic response, the operation stability and the kinematic accuracy. The vertical shafting comprises an upper blocking ring, a lower axial retainer and a lower bearing chuck ring; the rollers of the axial retainer are in contact with the upper blocking ring in a rolling manner, the traditional sliding friction is changed into rolling friction, and the frictional resistance moment is small. Therefore, the dynamic response is good, the operation is steady, and the kinematic accuracy is high.
Description
Technical field
The present invention relates to a kind of axial retainer, the radial bearing that uses this axial retainer and vertical shaft series.
Background technique
Present radial bearing retainer is made of isolating cylinder and rolling element mounted thereto usually; Radial bearing is made of interior cover, overcoat, baffle ring and axial retainer, and axially retainer is installed between interior cover and the overcoat.For sliding contact, frictional resistance moment is bigger, thereby dynamic response is poor between the lower end surface of this axial retainer and the baffle ring, and bearing working poor stability, kinematic accuracy are low.Adopt at present the vertical shaft series of sealed bead bearing formula structure generally include described axial retainer, on radially retainer, upper bearing (metal) inner ring, upper bearing (metal) outer ring, radially retainer, lower bearing inner ring, lower bearing outer ring, pedestal, locking nut down; For sliding friction, frictional resistance moment is bigger, thereby dynamic response is poor between the axial retainer lower end surface of vertical shaft series and the upper baffle ring, and vertical shaft series poor work stability, kinematic accuracy are low.
Summary of the invention
The technical problem to be solved in the present invention provides and a kind ofly changes sliding friction into rolling friction, thereby reduces surface friction drag, improves the following rolling of dynamic response, working stability and kinematic accuracy and isolates axial retainer.
In order to solve the problems of the technologies described above, the axial retainer of isolation that rolls down of the present invention comprises isolating cylinder, is installed in rolling element and at least three rollers on the isolating cylinder; Described roller is installed in the lower end of isolating cylinder, and each roller is cut in same plane outward, and the axle center of isolating cylinder is positioned at the polygonal that the point of contact constituted on each roller and this plane.
Described roller is evenly distributed on the lower end of isolating cylinder.
It is circular cylinder that described roller adopts the cross section, and its axis normal is in the axis of isolating cylinder.
Described roller can be cylindrical roller, spherical roller or bearing.
It is little, wear-resistant that second technical problem that the present invention will solve provides a kind of surface friction drag, and dynamic response is good, stable working, the described rolling down of use that kinematic accuracy is high are isolated the radial bearing of axial retainer.
In order to solve the problems of the technologies described above, the described radial bearing of isolating axial retainer that rolls down of use of the present invention comprises interior cover, overcoat and baffle ring; Between cover and the overcoat, the roller of its lower end was supported on the baffle ring in the described axial retainer of isolation that rolls down was installed in.
When the described radial bearing that rolls the axial retainer of isolation down of use of the present invention was worked, interior cover rotated with rotatingshaft, and overcoat is motionless.Because axially the roller of retainer lower end is supported on the baffle ring, the sliding friction that becomes in the past is rolling friction, has reduced surface friction drag, has improved dynamic response, working stability and kinematic accuracy.
It is little that the 3rd technical problem that the present invention will solve provides a kind of surface friction drag, and dynamic response is good, stable working, the described rolling down of use that kinematic accuracy is high are isolated the vertical shaft series of axial retainer.
In order to solve the problems of the technologies described above, the described vertical shaft series of isolating axial retainer that rolls down of use of the present invention comprises radially retainer, upper bearing (metal) inner ring, upper bearing (metal) outer ring, upper baffle ring, lower baffle ring, following radially retainer, lower bearing inner ring, lower bearing outer ring, following axial retainer, pedestal, lower bearing pressure ring, locking nut; The described roller of isolating the axial retainer of axial retainer that rolls down contacts with the upper baffle ring rolling.
Further improvement as the described vertical shaft series of isolating axial retainer of rolling down of use of the present invention is: described axial retainer down also adopts down to roll isolates axial retainer, and the described roller of isolating axial retainer that rolls down contacts with the rolling of lower bearing pressure ring.
Vertical shaft series in the course of the work, the roller of isolating axial retainer that rolls down is supported on the upper baffle ring, another roller of isolating axial retainer that rolls down is supported on the lower bearing pressure ring, the sliding friction that becomes in the past is rolling friction, frictional resistance moment is little, thereby dynamic response is good, stable working, kinematic accuracy height.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is that of the present invention the rolling down isolated the plan view of axial retainer, 11 isolating cylinders, 12 rolling elements, 13 breach, 14 rollers, 15 links.
Fig. 2 is that the A-A of Fig. 1 is to partial sectional view.11 isolating cylinders, 14 rollers, 15 links, 16 screws, 17 axis of rolling.
Fig. 3 is the plan view of the described radial bearing of isolating axial retainer of rolling down of use of the present invention, rolls for 1 time among the figure and isolates axial retainer, 3 rotatingshafts, 14 rollers, cover in 31,32 overcoats, 33 baffle rings.
Fig. 4 be use of the present invention described roll down isolate axial retainer the longitudinal sectional view of vertical shaft series.6 vertical shaftes among the figure, 61 upper bearing (metal) inner rings, 62 upper bearing (metal) outer rings, retainer radially on 3,63 upper baffle rings, 64 pedestals, 65 lower baffle rings, 66 lower bearing inner rings, 4 times retainers radially, 67 lower bearing outer rings, 68 lower bearing pressure rings, 69 locking nuts.
Embodiment
As shown in Figure 1, the axial retainer of isolation that rolls down of the present invention comprises isolating cylinder 11, rolling element 12 and three rollers 14, and rolling element 12 is embedded in the mounting groove of isolating cylinder 11.Described isolating cylinder 11 is along lower end circumference uniform distribution breach 13, and roller 14 is installed in breach 13 places of isolating cylinder 11 lower end circumference by link 15, and each roller 14 is outer to be cut in same plane, and the axis normal of each roller 14 is in the axis of isolating cylinder 11.As shown in Figure 2, an end of link 15 is fixedly connected by screw 16 and isolating cylinder 11, and the other end connects with roller 14 by the axis of rolling 17.Described roller 14 can adopt common bearing, also can adopt the cylindrical roller, spherical roller or the cross section that have axis hole to be other circular cylinders.
As shown in Figure 3, the described radial bearing of isolating axial retainer that rolls down of use of the present invention comprises interior cover 31, overcoat 32 and baffle ring 33; Between cover 31 and the overcoat 32, the roller 14 of its lower end was supported on the baffle ring 33 in the described axial retainer of isolation that rolls down was installed in; Interior cover 31 can rotate with rotatingshaft 3, and overcoat 32 is motionless.
As shown in Figure 4, the described vertical shaft series of isolating axial retainer of rolling down of use of the present invention comprise vertical shaft 6, upper bearing (metal) inner ring 61, upper bearing (metal) outer ring 62, on radially retainer 3, upper baffle ring 63, pedestal 64, lower baffle ring 65, lower bearing inner ring 66, radially retainer 4, lower bearing outer ring 67, lower bearing pressure ring 68, locking nut 69 down.Upper bearing (metal) outer ring 62 is divided into up and down two parts, on radially retainer 3 be installed between the upper surface on the lower surface on upper bearing (metal) inner ring 61 tops and 62 tops, upper bearing (metal) outer ring.One of them rolls down and isolates between the bottom of bottom that axial retainer 1 is installed in upper bearing (metal) inner ring 61 and upper bearing (metal) outer ring 62, the roller 14 of its lower end rolls with upper baffle ring 63 and contacts, and upper baffle ring 63 is fixedly mounted between the lower end and pedestal 64 of upper bearing (metal) inner ring 61 and upper bearing (metal) outer ring 62.Lower baffle ring 65 is installed between 67 upper ends, lower bearing outer ring and the pedestal 64; Another axial retainer 2 of isolation that rolls down is installed between lower bearing inner ring 66 and the lower bearing outer ring 67, and the roller 14 of its lower end rolls with lower bearing pressure ring 68 and contacts, and lower bearing pressure ring 68 usefulness screws 16 are fixed on the lower end of lower bearing inner ring 66.Down radially retainer 4 is installed between the upper surface of the lower surface of lower bearing outer ring 67 and lower bearing pressure ring 68.Locking nut 69 is locked at the lower end of lower bearing pressure ring 68.
Claims (5)
1, a kind of rolling down isolated axial retainer, comprises isolating cylinder (11) and is installed in rolling element (12) on the isolating cylinder (11), it is characterized in that also comprising at least three rollers (14); Described roller (14) is installed in the lower end of isolating cylinder (11), and is cut in same plane outside each roller (14), and the axle center of isolating cylinder (11) is positioned at the polygonal that the point of contact constituted on each roller (14) and this plane.
2, the according to claim 1 rolling down isolated axial retainer, it is characterized in that roller (14) is evenly distributed on the lower end of isolating cylinder (11).
3, a kind of radial bearing that uses the axial retainer of isolation that rolls down as claimed in claim 1, comprise interior cover (31), overcoat (32) and baffle ring (33), the described axial retainer of isolation that rolls down is installed between interior cover (31) and the overcoat (32), and the roller (14) of isolating axial retainer lower end that it is characterized in that rolling down is supported on the baffle ring (33).
4, a kind of vertical shaft series that uses the axial retainer of isolation that rolls down as claimed in claim 1 comprises upper baffle ring (63), following axial retainer, lower bearing pressure ring (68); It is characterized in that the described roller (14) of isolating axial retainer that rolls down contacts with upper baffle ring (63) rolling.
5, vertical shaft series according to claim 4 is characterized in that the described down axial retainer employing axial retainer of rolling isolation down, and the roller (14) of the following axial retainer of isolation that rolls rolls with lower bearing pressure ring (68) and contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820072259 CN201236883Y (en) | 2008-08-13 | 2008-08-13 | Axial keeper, radial bearing and vertical shafting using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820072259 CN201236883Y (en) | 2008-08-13 | 2008-08-13 | Axial keeper, radial bearing and vertical shafting using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236883Y true CN201236883Y (en) | 2009-05-13 |
Family
ID=40649623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820072259 Expired - Fee Related CN201236883Y (en) | 2008-08-13 | 2008-08-13 | Axial keeper, radial bearing and vertical shafting using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201236883Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265779A (en) * | 2014-09-15 | 2015-01-07 | 北京卫星制造厂 | Dense ball type rotating and reciprocating two-degree-of-freedom rolling shaft system |
-
2008
- 2008-08-13 CN CN 200820072259 patent/CN201236883Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265779A (en) * | 2014-09-15 | 2015-01-07 | 北京卫星制造厂 | Dense ball type rotating and reciprocating two-degree-of-freedom rolling shaft system |
| CN104265779B (en) * | 2014-09-15 | 2017-01-18 | 北京卫星制造厂 | Dense ball type rotating and reciprocating two-degree-of-freedom rolling shaft system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20120813 |