CN209262055U - A kind of retainer outer diameter has the bearing of lock claw - Google Patents
A kind of retainer outer diameter has the bearing of lock claw Download PDFInfo
- Publication number
- CN209262055U CN209262055U CN201821999298.1U CN201821999298U CN209262055U CN 209262055 U CN209262055 U CN 209262055U CN 201821999298 U CN201821999298 U CN 201821999298U CN 209262055 U CN209262055 U CN 209262055U
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- China
- Prior art keywords
- retainer
- lock claw
- outer diameter
- bearing
- inner ring
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- 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.)
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Abstract
The utility model relates to a kind of gas turbine bearings, specifically design a kind of bearing of the retainer outer diameter with lock claw, including inner ring, outer ring, roller and retainer；Retainer is set between the inner ring and outer ring, and roller is maintained between inner ring and outer ring by retainer, and lock claw is arranged on the window beam of the retainer outer diameter, and lock claw is two, and two lock claw are separately positioned on the two sides of window beam axial direction.Retainer is made of the special-shaped pawl of ring section and outer diameter, and such solid cross-section is relatively narrow, is had the characteristics that light-weighted.The centrifugal force of retainer is small under high revolving speed, and retainer stability is good, and play is small.
Description
Technical field
The utility model relates to a kind of gas turbine bearing, a kind of retainer outer diameter is specifically designed with lock claw
Bearing.
Background technique
Gas turbine is widely used in the energy, national defence, the field of traffic such as power generation, ships and railroad traction, pipe pressurizing, is
The high-tech Core equipment of relationship national security and the national economic development.The research of gas turbine bearing directly affects gas turbine
Development, gas turbine to bearing requirements one to very high, wherein require bearing that there are the performances such as high revolving speed, long-life, high temperature resistant,
There is high requirement to the revolving speed of bearing, service life, reliability etc..
Summary of the invention
Based on to the lightweight of gas turbine bearing, the requirement of stability, the mesh of the utility model is to provide a kind of retainer
Outer diameter has the bearing of lock claw, on the basis of ensuring the performance of bearing, improves bearing quality.
In order to achieve the above objectives, the technology employed by the present utility model is a kind of retainer outer diameter is with lock claw
Bearing, including inner ring, outer ring, roller and retainer；Retainer is set between the inner ring and outer ring, and roller is protected by retainer
It holds between inner ring and outer ring, lock claw is set on the window beam of the retainer outer diameter, lock claw is two, and two lock claw are respectively set
In the two sides of window beam axial direction.
Further, the lock claw is fish tail type, and fish tail type lock claw is perpendicular to retainer window beam.
Further, the head of the fish tail type lock claw is vertical with retainer window beam connect, and the tail portion of fish tail type lock claw is
Aerofoil profile bending claws, aerofoil profile bending claws extend the two sides of retainer window beam circumferential direction.
Further, the width on the head of the fish tail type lock claw and retainer window beam is of same size.
Further, the aerofoil profile bending claws and rolling element roll the inner surface of face contact as arcuate surface, and circular arc
Shape surface is matched with the rolling surface of rolling element.
Further, the pocket Kong Weizhi pocket hole of the retainer.
Further, the bearing inner ring interior diameter is evenly distributed with several arc-shaped oil grooves.
Further, the axial width of the inner ring is greater than the axial width of outer ring.
Further, the inner ring outer diameter is provided with square oil groove, and the part that inner ring exceeds outer ring is arranged in square oil groove,
Uniformly distributed step type oilhole in square oil groove.
The utility model has the following beneficial effects: retainer is made of the special-shaped pawl of ring section and outer diameter, such entity is cut
Face is relatively narrow, has the characteristics that light-weighted.The centrifugal force of retainer is small under high revolving speed, and retainer stability is good, and play is small.
Detailed description of the invention
Fig. 1 is bearing arrangement schematic diagram,
Fig. 2 is lock claw schematic diagram,
Fig. 3 is bearing inner race schematic diagram,
Fig. 4 is bearing inner race end view,
In figure: 1, inner ring, 2, outer ring, 3, roller, 4, retainer, 5, lock claw, 6, aerofoil profile bending claws, 7, arc-shaped oil
Slot, 8, square oil groove, 9, window beam, 10, stepped oilhole.
Specific embodiment
It is practical new to this in the following with reference to the drawings and specific embodiments in order to be more clear the structure and function of utility model
Type is described further.
A kind of retainer outer diameter has the bearing of lock claw, including inner ring 1, outer ring 2, roller 3 and retainer 4；The inner ring 1
Retainer 4 is set between outer ring 2, and roller 3 is maintained between inner ring 1 and outer ring 2 by retainer 4,4 outer diameter of retainer
Window beam 9 on lock claw 5 is set, lock claw 5 is two, and two lock claw 5 are separately positioned on the axial two sides of window beam 9.Retainer 4 is by ring
The special-shaped pawl of tee section and outer diameter composition, such solid cross-section is relatively narrow, has the characteristics that light-weighted.
Further, the lock claw 5 is fish tail type, and fish tail type lock claw is perpendicular to retainer window beam 9.
Further, the head of the fish tail type lock claw 5 is vertical with retainer window beam 9 connect, the tail portion of fish tail type lock claw
For aerofoil profile bending claws 6, aerofoil profile bending claws 6 extend the two sides of retainer window beam circumferential direction.
Further, the width on the head of the fish tail type lock claw and retainer window beam 9 is of same size.Guarantee lock claw with
Retainer window beam stable connection.
Further, the aerofoil profile bending claws 6 roll the inner surface of face contact with roller 3 as arcuate surface, and circular arc
Shape surface is matched with the rolling surface of roller.
Further, the pocket Kong Weizhi pocket hole of the retainer.
The inner surface that pocket Kong Weizhi pocket hole, outer diameter aerofoil profile bending claws and rolling element roll face contact is arcuate surface, is had
Stablize the function of rolling element.Aerofoil profile bending claws can keep rolling element, limit the movement of the centre of gyration.Under high revolving speed retainer from
Mental and physical efforts are small, and retainer stability is good, and play is small.
Further, the bearing inner ring interior diameter is evenly distributed with several arc-shaped oil grooves 7.
Further, the axial width of the inner ring is greater than the axial width of outer ring.
Further, the inner ring outer diameter is provided with square oil groove 8, and the portion that inner ring exceeds outer ring is arranged in square oil groove
Point, uniformly distributed step type oilhole 10 in square oil groove.
Bearing inner ring interior diameter is evenly distributed with many arc-shaped oil grooves, and lubricating oil is facilitated to pass through and radiate, in structure, bearing inner race
It is wide compared with outer ring, and in the part that width goes out, design has square oil groove, the uniformly distributed step type oilhole in square oil groove.
P4 grades have been selected in terms of bearing accuracy.
Listed above is only the most preferred embodiment of the utility model.Obviously, the utility model is not limited to above embodiments,
It is acceptable that there are many deformations.Those skilled in the art directly can export or associate from content disclosed by the utility model
All deformations, be considered as the protection scope of the utility model.
Claims (8)
1. the bearing that a kind of retainer outer diameter has lock claw, it is characterised in that: including inner ring, outer ring, roller and retainer；It is described
Retainer is set between inner ring and outer ring, and roller is maintained between inner ring and outer ring by retainer, the retainer outer diameter
Lock claw is set on window beam, and lock claw is two, and two lock claw are separately positioned on the two sides of window beam axial direction.
2. the bearing that a kind of retainer outer diameter according to claim 1 has lock claw, it is characterised in that: the lock claw is fish
Tail type, fish tail type lock claw is perpendicular to retainer window beam.
3. the bearing that a kind of retainer outer diameter according to claim 2 has lock claw, it is characterised in that: the fish tail type lock
The head of pawl is vertical with retainer window beam to be connect, and the tail portion of fish tail type lock claw is aerofoil profile bending claws, and aerofoil profile bending claws extend retainer
The two sides of window beam circumferential direction.
4. the bearing that a kind of retainer outer diameter according to claim 3 has lock claw, it is characterised in that: the fish tail type lock
The width on the head of pawl is of same size with retainer window beam.
5. the bearing that a kind of retainer outer diameter according to claim 3 has lock claw, it is characterised in that: the aerofoil profile bending claws
The inner surface that face contact is rolled with rolling element is arcuate surface, and arcuate surface is matched with the rolling surface of rolling element.
6. the bearing that a kind of retainer outer diameter according to claim 1 has lock claw, it is characterised in that: the bearing inner race
Internal diameter is evenly distributed with several arc-shaped oil grooves.
7. the bearing that a kind of retainer outer diameter according to claim 1 has lock claw, it is characterised in that: the axis of the inner ring
It is greater than the axial width of outer ring to width.
8. the bearing that a kind of retainer outer diameter according to claim 7 has lock claw, it is characterised in that: the inner ring outer diameter
It is provided with square oil groove, the part that inner ring exceeds outer ring, uniformly distributed stepped oilhole in square oil groove is arranged in square oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999298.1U CN209262055U (en) | 2018-11-30 | 2018-11-30 | A kind of retainer outer diameter has the bearing of lock claw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821999298.1U CN209262055U (en) | 2018-11-30 | 2018-11-30 | A kind of retainer outer diameter has the bearing of lock claw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262055U true CN209262055U (en) | 2019-08-16 |
Family
ID=67564951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821999298.1U Active CN209262055U (en) | 2018-11-30 | 2018-11-30 | A kind of retainer outer diameter has the bearing of lock claw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296634A (en) * | 2018-11-30 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Retainer outer diameter has the bearing of lock claw |
-
2018
- 2018-11-30 CN CN201821999298.1U patent/CN209262055U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296634A (en) * | 2018-11-30 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Retainer outer diameter has the bearing of lock claw |
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| GR01 | Patent grant |