CN111878512B - Bearing nut locking structure - Google Patents
Bearing nut locking structure Download PDFInfo
- Publication number
- CN111878512B CN111878512B CN202010750490.2A CN202010750490A CN111878512B CN 111878512 B CN111878512 B CN 111878512B CN 202010750490 A CN202010750490 A CN 202010750490A CN 111878512 B CN111878512 B CN 111878512B
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- locking
- ring
- nut
- shaft
- section
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/08—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a cap interacting with the nut, connected to the bolt by a pin or cotter pin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The present disclosure relates to a bearing nut locking structure, this bearing nut locking structure includes: the outer peripheral surface of the shaft comprises a thread section and a locking section along the axial direction, and the outer peripheral surface of the locking section is provided with a first positioning structure; the nut is used for being in threaded connection with the shaft through a threaded section, a plurality of locking grooves are formed in the nut, and clamping grooves are formed in the side wall of the inner ring of the nut between every two adjacent locking grooves; the locking ring comprises a locking ring body, a limiting block and a second positioning structure, the locking ring body comprises an inner ring and an outer ring, and the inner ring is provided with the second positioning structure matched with the first positioning structure so as to limit the locking ring to be sleeved on the locking section to do circumferential motion relative to the shaft; the limiting block is connected with the outer ring of the locking ring body and is arranged in the locking groove so as to limit the locking ring sleeved on the locking section to move circumferentially relative to the nut; the lock ring body is positioned in the clamping groove and limits the lock ring to axially move relative to the shaft. The bearing nut locking structure provided by the disclosure can effectively prevent the nut from circumferentially rotating on a shaft.
Description
Technical Field
The utility model relates to an aeroengine technical field particularly, relates to a bearing nut locking structure.
Background
The shaft nut of the aircraft engine cannot be loosened in the whole life cycle of the engine, so that the axial compression of the shaft can be ensured to be in a normal working state, and the shaft nut is easy to self-loosen under the action of alternating load and vibration in the working state, so that most of the shaft nuts adopt a mechanical locking mode to ensure that the shaft nut cannot loosen.
The shaft nut of the aero-engine is mostly locked by adopting a locking plate or a pin, the two locking structures require that a shaft nut groove/hole corresponds to a shaft neck groove/hole, otherwise, the assembly of the locking plate or the pin can be ensured only by polishing the extrusion end surface of the shaft nut; the locking plate or pin is destructively decomposed and is not reusable. The locking plate needs to be bent and deformed after being assembled, initial cracks are easy to generate, the thickness of the locking plate is thin, the imitation-loosening reliability is low, and the pin structure needs a large axial size space. These have not been able to meet the reliability, maintenance and safety requirements of fourth generation aircraft engines.
It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The purpose of this disclosure is to provide a bearing nut locking structure, can prevent effectively that the nut from taking place the circumferential direction on the axle.
According to one aspect of the disclosure, a bearing nut locking structure is provided, the bearing nut shaft, the outer peripheral surface of which comprises a thread section and a locking section along the axial direction, the outer peripheral surface of the thread section is provided with threads, and the outer peripheral surface of the locking section is provided with a first positioning structure;
the nut is in threaded connection with the shaft through the threaded section, a gap is formed between the nut and the locking section, a plurality of locking grooves are formed in the end part corresponding to the locking section, and clamping grooves are formed in the side wall of the inner ring of the nut between every two adjacent locking grooves;
the locking ring comprises a locking ring body, a limiting block and a second positioning structure, wherein the locking ring body comprises an inner ring and an outer ring, the inner ring is provided with the second positioning structure matched with the first positioning structure so as to limit the locking ring sleeve to move circumferentially relative to the shaft on the locking section; the limiting block is connected with the outer ring of the locking ring body and is arranged in the locking groove to limit the locking ring sleeve to move circumferentially relative to the nut on the locking section; the locking ring body is positioned in the clamping groove and limits the locking ring to axially move relative to the shaft.
In an exemplary embodiment of this disclosure, be equipped with a plurality ofly the stopper, and a plurality of the stopper is followed the circumference evenly distributed of lock circle body, the quantity of locked groove is greater than the quantity of stopper.
In an exemplary embodiment of the present disclosure, two of the limit blocks are provided, and the two limit blocks are oppositely disposed on the lock ring body.
In an exemplary embodiment of the present disclosure, the plurality of locking grooves are evenly distributed along a circumferential direction of the nut.
In an exemplary embodiment of the present disclosure, the stopper is rectangular.
In an exemplary embodiment of the present disclosure, the locking ring is a piston ring type locking ring, and the piston ring type locking ring can make the locking ring body be located in the clamping groove through deformation.
In an exemplary embodiment of the disclosure, the first positioning structure is a positioning groove, the second positioning structure is a positioning block, and the positioning block can be located in the positioning groove to limit circumferential movement of the lock ring relative to the shaft.
In an exemplary embodiment of the present disclosure, the number of the positioning grooves is the same as the number of the positioning blocks.
In an exemplary embodiment of the present disclosure, an outer circumferential surface of the locking section is a regular polygon, and the outer circumferential surface of the regular polygon of the locking section forms the first positioning structure; the inner ring of the lock ring body is polygonal, and a second positioning structure is formed by the polygonal inner ring of the lock ring body; when the locking ring body is sleeved on the locking section, the outer peripheral surface of the regular polygon is matched with the inner ring of the polygon to form the limitation on circumferential movement of the locking ring relative to the shaft.
In an exemplary embodiment of the present disclosure, the bearing nut locking structure further includes:
and the bearing inner ring is sleeved on the shaft and is positioned on one side of the nut, which deviates from the locking ring.
According to the locking structure of the bearing nut, the outer peripheral surface of the shaft comprises the threaded section and the locking section along the axial direction, the nut is in threaded connection with the shaft through the threaded section, the outer peripheral surface of the locking section is provided with the first positioning structure, and the inner ring is provided with the second positioning structure matched with the first positioning structure; the nut is provided with a plurality of locking grooves, and the outer ring of the locking ring body is connected with a limiting block; when the nut is in threaded connection with the shaft, the locking ring is sleeved on the shaft, the limiting block is located in the locking groove, the first positioning structure is matched with the second positioning structure, the locking ring can be limited from being sleeved on the locking section to move circumferentially relative to the shaft, and the limiting block is located in the locking groove, so that the nut cannot rotate circumferentially relative to the locking ring, and the purpose of limiting the circumferential rotation of the nut relative to the shaft is achieved. In addition, all be formed with the draw-in groove on the inner circle lateral wall of the nut between the adjacent locked groove, when the lock collar cover is established epaxially, the lock collar body is arranged in the draw-in groove to the axial motion is done to the relative counter shaft to the restriction lock collar, and the lock collar self can not withdraw from the axial of slave shaft, has avoided needing to set up the problem that other parts restriction lock collars withdrawn from along the axial of axle, has simplified bearing nut locking structure, has reduced the production technology degree of difficulty, thereby has reduced manufacturing cost.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
FIG. 1 is a schematic view of a bearing nut locking arrangement provided in one embodiment of the present disclosure;
FIG. 2 is an exploded view of a bearing nut locking arrangement provided by one embodiment of the present disclosure;
FIG. 3 is a schematic view of a shaft provided by one embodiment of the present disclosure;
FIG. 4 is a schematic view of a nut provided in one embodiment of the present disclosure;
fig. 5 is a schematic view of a lock collar provided by an embodiment of the present disclosure.
Description of reference numerals:
10. a shaft 110, a thread section 120, a locking section 130 and a positioning groove;
20. a bearing inner ring;
30. a nut 310, a lock groove 320 and a clamp groove;
40. the lock ring comprises a lock ring body 410, a lock ring body 420, a limiting block 430 and a positioning block.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other components, devices, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and a repetitive description thereof will be omitted. The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements other than the listed elements; the terms "first," "second," and the like are used merely as labels, and are not limiting on the number of their objects.
In the present exemplary embodiment, there is provided a bearing nut locking structure, as shown in fig. 1 to 5, including: the shaft comprises a shaft 10, a nut 30 and a locking ring 40, wherein the outer peripheral surface of the shaft 10 axially comprises a threaded section 110 and a locking section 120, the outer peripheral surface of the threaded section 110 is provided with threads, and the outer peripheral surface of the locking section 120 is provided with a first positioning structure; the nut 30 is in threaded connection with the shaft 10 through a threaded section 110, a gap is formed between the nut 30 and the locking section 120, a plurality of locking grooves 310 are formed in the end portion corresponding to the locking section 120, and a clamping groove 320 is formed in the side wall of the inner ring of the nut 30 between the adjacent locking grooves 310; the locking ring 40 comprises a locking ring body 410, a limiting block 420 and a second positioning structure, the locking ring body 410 comprises an inner ring and an outer ring, the inner ring is provided with the second positioning structure matched with the first positioning structure so as to limit the locking ring 40 to be sleeved on the locking section 120 to move circumferentially relative to the shaft 10; the limiting block 420 is connected with the outer ring of the locking ring body 410, and the limiting block 420 is arranged in the locking groove 310 to limit the locking ring 40 to be sleeved on the locking section 120 to move circumferentially relative to the nut 30; the locking collar body 410 is positioned in the locking slot 320 to limit axial movement of the locking collar 40 relative to the shaft 10.
According to the locking structure of the bearing nut provided by the disclosure, the outer peripheral surface of the shaft 10 comprises the thread section 110 and the locking section 120 along the axial direction, the nut 30 is in threaded connection with the shaft 10 through the thread section 110, the outer peripheral surface of the locking section 120 is provided with the first positioning structure, and the inner ring is provided with the second positioning structure matched with the first positioning structure; a plurality of locking grooves 310 are formed in the nut 30, and a limiting block 420 is connected to the outer ring of the locking ring body 410; when the nut 30 is in threaded connection with the shaft 10, the locking ring 40 is sleeved on the shaft 10, and the limiting block 420 is located in the locking groove 310, the first positioning structure is matched with the second positioning structure, so that the locking ring 40 is limited from being sleeved on the locking section 120 to move circumferentially relative to the shaft 10, and the limiting block 420 is located in the locking groove 310, so that the nut 30 cannot rotate circumferentially relative to the locking ring 40, and the purpose of limiting the nut 30 to rotate circumferentially relative to the shaft 10 is achieved. In addition, the clamping grooves 320 are formed in the side walls of the inner rings of the nuts 30 between the adjacent locking grooves 310, the clamping grooves 320 can be communicated along the circumferential direction of the shaft 10 and are located on the same plane, when the locking ring 40 is sleeved on the shaft 10, the locking ring body 410 is located in the clamping grooves 320 to limit the locking ring 40 to move axially relative to the shaft 10, the locking ring 40 cannot withdraw from the shaft 10 in the axial direction, the problem that other parts are required to limit the locking ring 40 to withdraw from the shaft 10 in the axial direction is avoided, the locking structure of the bearing nut is simplified, the difficulty of the production process is reduced, and therefore the production cost is reduced.
As shown in fig. 1 and 2, the bearing nut locking structure further includes: and the bearing inner ring 20 is used for being sleeved on the shaft 10 and is positioned on one side, away from the locking ring 40, of the nut 30. The shaft 10 is provided with a step, after the bearing inner ring 20 is sleeved on the shaft 10, one end of the bearing inner ring is abutted to the step, the other end of the bearing inner ring is abutted to one end of the nut 30, the nut 30 can fix the bearing inner ring 20 on the shaft 10 through rotation on the bearing, the bearing inner ring 20 is prevented from moving along the axial direction of the shaft 10, and therefore the purpose of fixing the bearing on the shaft 10 is achieved.
Specifically, the lock ring 40 is provided with a plurality of stoppers 420, and the plurality of stoppers 420 are uniformly distributed along the circumferential direction of the lock ring body 410. Meanwhile, as shown in fig. 4, the plurality of locking grooves 310 are uniformly distributed along the circumferential direction of the nut 30, and the number of the locking grooves 310 is greater than that of the limiting blocks 420. Through setting up a plurality of stoppers 420 to make a plurality of stoppers 420 along the circumference evenly distributed of lock collar body 410, a plurality of locked grooves 310 along the circumference evenly distributed of nut 30, guarantee that a plurality of stoppers 420 homoenergetic are arranged in the locked groove 310 that corresponds, when realizing lock collar 40 relative axle 10 circumferential direction, can make stoppers 420 be arranged in the locked groove 310 that corresponds in a plurality of positions, avoid nut 30 to rotate. The greater the number of the locking grooves 310 on the nut 30, the more the locking ring 40 can be rotated circumferentially relative to the shaft 10, the more the positions of the limiting blocks 420 can be located in the corresponding locking grooves 310.
As shown in fig. 5, two stoppers 420 are provided, and the two stoppers 420 are oppositely disposed on the lock ring body 410. Of course, three limiting blocks 420 can be arranged and form an angle of 120 degrees with each other; or, four limit blocks 420 can be arranged, which mutually form an angle of 90 degrees; or more stop blocks 420 may be provided, as the present disclosure is not limited in this respect.
As shown in fig. 5, the stopper 420 has a rectangular shape, and the shape and size of the locking groove 310 match the shape and size of the stopper 420, so as to ensure that the stopper 420 can be located in the locking groove 310 and tightly fit with the locking groove 310. Of course, the stop block 420 may also be in the shape of a semicircle, a triangle, or other shapes, and the locking groove 310 may accommodate the stop block 420. As shown in fig. 3, the end of the nut 30 is formed in a great wall type serration shape to form a plurality of locking grooves 310.
Illustratively, as shown in FIG. 5, the locking ring 40 is a lock ring of the expanding type, which can be deformed to position the locking ring body 410 in the locking groove 320. The split ring type locking ring is provided with a notch, and the split ring type locking ring can be deformed by the notch, so that the locking ring body 410 of the split ring type locking ring can be conveniently arranged in the clamping groove 320.
As shown in fig. 3 and 5, the first positioning structure is a positioning groove 130, the second positioning structure is a positioning block 430, and the positioning block 430 can be located in the positioning groove 130 to limit the circumferential movement of the lock ring 40 relative to the shaft 10. Through the arrangement of the positioning groove 130 and the positioning block 430, the limitation of circumferential movement of the locking ring 40 relative to the shaft 10 is realized, the structure is simple, and the stability is high.
The positioning grooves 130 and the positioning blocks 430 are equal in number, and five positioning grooves 130 and five positioning blocks 430 are uniformly distributed. Of course, the number of the positioning slots 130 may be greater than the number of the positioning blocks 430, the number of the positioning slots 130 and the positioning blocks 430 may be three, four, six or more, and the plurality of positioning slots 130 and the positioning blocks 430 may be uniformly distributed or distributed separately, which is not limited in this disclosure.
Illustratively, the outer peripheral surface of the locking section 120 is a regular polygon, and the outer peripheral surface of the regular polygon of the locking section 120 forms a first positioning structure; the inner ring of the lock ring body 410 is polygonal, and the polygonal inner ring of the lock ring body 410 forms a second positioning structure; when the locking ring body 410 is sleeved on the locking section 120, the outer peripheral surface of the regular polygon and the inner ring of the polygon are matched to limit the circumferential movement of the locking ring 40 relative to the shaft 10.
Specifically, the polygonal outer peripheral surface of the locking segment 120 of the shaft 10 has the same number of sides as the polygonal inner ring of the lock ring body 410, for example, the outer peripheral surface of the locking segment 120 of the shaft 10 has an octagonal or dodecagonal shape, and the polygonal inner ring of the lock ring body 410 has an octagonal or dodecagonal shape. Of course, the number of sides of the polygonal outer peripheral surface of the locking section 120 of the shaft 10 and the polygonal inner ring of the locking ring body 410 may also be the same, for example, the outer peripheral surface of the locking section 120 of the shaft 10 is a dodecagon, and the polygonal inner ring of the locking ring body 410 is an octagon, as long as it can be ensured that the locking ring 40 can be sleeved on the locking section 120 of the shaft 10 and clamped with the shaft 10 without circumferential rotation, which is not limited by the present disclosure.
Specifically, the outer circumferential surface of the locking section 120 of the shaft 10 has a regular polygonal shape. The outer peripheral surface of the locking section 120 of the shaft 10 is a regular polygon, and the outer peripheral surface of the locking section 120 of the shaft 10 is a regular polygon, so that the locking ring 40 can be clamped with any side surface of the locking section 120 of the shaft 10, and the circumferential rotation of the nut 30 is limited.
Specifically, the lock ring body 410 is formed with a recessed portion from the outer ring side to the inner ring side. By providing the recess, the position adjustment and detachment of the lock ring 40 are facilitated. As shown in fig. 5, recesses are formed at both sides of the stopper 420. Of course, the recess can be disposed at any position of the outer ring of the lock ring body 410, which is not limited by the present disclosure.
The assembly sequence of the bearing nut locking structure is as follows:
firstly, fixing a shaft 10;
secondly, mounting the bearing inner ring 20 on the shaft 10;
thirdly, the nut 30 is arranged on the shaft 10 and is screwed tightly, so that the bearing inner ring 20 is fixed on the shaft 10;
and fourthly, the locking ring 40 is arranged on the shaft 10 and the nut 30, so that the locking ring body 410 is positioned in the clamping groove 320, the limiting block 420 is positioned in the locking groove 310, and the positioning block 430 is positioned in the positioning groove 130.
The assembled assembly is shown in fig. 1.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (8)
1. The utility model provides a bearing nut locking structure which characterized in that includes:
the outer peripheral surface of the shaft comprises a threaded section and a locking section along the axial direction, threads are arranged on the outer peripheral surface of the threaded section, and a first positioning structure is arranged on the outer peripheral surface of the locking section;
the nut is in threaded connection with the shaft through the threaded section, a gap is formed between the nut and the locking section, a plurality of locking grooves are formed in the end portion corresponding to the locking section, and clamping grooves are formed in the side wall of the inner ring of the nut between every two adjacent locking grooves;
the locking ring comprises a locking ring body, a limiting block and a second positioning structure, wherein the locking ring body comprises an inner ring and an outer ring, the inner ring is provided with the second positioning structure matched with the first positioning structure so as to limit the locking ring sleeve to move circumferentially relative to the shaft on the locking section; the limiting block is connected with the outer ring of the locking ring body and is arranged in the locking groove to limit the locking ring sleeve to move circumferentially relative to the nut on the locking section; the lock ring is a piston ring type lock ring, and the piston ring type lock ring can enable the lock ring body to be positioned in the clamping groove through deformation to limit the lock ring to axially move relative to the shaft;
the first positioning structure is a positioning groove, the second positioning structure is a positioning block, and the positioning block can be positioned in the positioning groove to form the limitation that the locking ring does circumferential motion relative to the shaft.
2. The locking structure according to claim 1, wherein a plurality of the limiting blocks are arranged and uniformly distributed along the circumferential direction of the locking ring body, and the number of the locking grooves is greater than that of the limiting blocks.
3. The locking structure of claim 2, wherein there are two of the stoppers, and the two stoppers are oppositely disposed on the lock ring body.
4. The locking structure of claim 1, wherein the plurality of locking grooves are evenly distributed along a circumferential direction of the nut.
5. The locking structure of claim 1, wherein the stop block is rectangular.
6. The locking structure of claim 1, wherein the number of positioning grooves is the same as the number of positioning blocks.
7. The locking structure of claim 1, wherein the outer peripheral surface of the locking section is a regular polygon, and the first positioning structure is formed on the outer peripheral surface of the regular polygon of the locking section; the inner ring of the lock ring body is polygonal, and a second positioning structure is formed by the polygonal inner ring of the lock ring body; when the locking ring body is sleeved on the locking section, the outer peripheral surface of the regular polygon is matched with the inner ring of the polygon to form the limitation on circumferential movement of the locking ring relative to the shaft.
8. The locking structure of claim 1, wherein the bearing nut locking structure further comprises:
and the bearing inner ring is sleeved on the shaft and positioned on one side of the nut, which deviates from the locking ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010750490.2A CN111878512B (en) | 2020-07-30 | 2020-07-30 | Bearing nut locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010750490.2A CN111878512B (en) | 2020-07-30 | 2020-07-30 | Bearing nut locking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111878512A CN111878512A (en) | 2020-11-03 |
| CN111878512B true CN111878512B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010750490.2A Active CN111878512B (en) | 2020-07-30 | 2020-07-30 | Bearing nut locking structure |
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| CN (1) | CN111878512B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPWO2023079813A1 (en) * | 2021-11-04 | 2023-05-11 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504041A (en) * | 2009-01-09 | 2009-08-12 | 无锡市滚动轴承有限公司 | Locking device for bearing with extended inner ring |
| JP5210972B2 (en) * | 2009-06-09 | 2013-06-12 | アイシン・エーアイ株式会社 | transmission |
| CN202612344U (en) * | 2012-05-14 | 2012-12-19 | 中国航空动力机械研究所 | Nut locking plate |
| CN107654474B (en) * | 2017-09-27 | 2020-03-24 | 中国航发湖南动力机械研究所 | Locking matching structure and locking ring |
| CN108223548A (en) * | 2017-12-26 | 2018-06-29 | 中国航发四川燃气涡轮研究院 | A kind of shaft end nut locking mechanism |
| CN108443298A (en) * | 2018-05-07 | 2018-08-24 | 中国航发湖南动力机械研究所 | Locking mechanism and retainer |
| CN110788768B (en) * | 2019-09-27 | 2021-04-13 | 中国航发南方工业有限公司 | Lock ring auxiliary assembly device and engine power turbine assembly method with lock ring |
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2020
- 2020-07-30 CN CN202010750490.2A patent/CN111878512B/en active Active
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| CN111878512A (en) | 2020-11-03 |
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