CN109163011B - Self-aligning roller bearing - Google Patents

Self-aligning roller bearing Download PDF

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Publication number
CN109163011B
CN109163011B CN201811221418.XA CN201811221418A CN109163011B CN 109163011 B CN109163011 B CN 109163011B CN 201811221418 A CN201811221418 A CN 201811221418A CN 109163011 B CN109163011 B CN 109163011B
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China
Prior art keywords
assembly
outer ring
self
roller
assembly groove
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Application number
CN201811221418.XA
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Chinese (zh)
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CN109163011A (en
Inventor
郭晓红
曲世宪
蒋二军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wafangdian Jinfeng Bearing Manufacturing Co ltd
Original Assignee
Wafangdian Jinfeng Bearing Manufacturing Co ltd
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Priority to CN201811221418.XA priority Critical patent/CN109163011B/en
Publication of CN109163011A publication Critical patent/CN109163011A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06Ball or roller bearings
    • F16C23/08Ball or roller bearings self-adjusting
    • F16C23/082Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/46Cages for rollers or needles
    • F16C33/48Cages for rollers or needles for multiple rows of rollers or needles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/60Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings

Abstract

The invention discloses a self-aligning roller bearing, which comprises a first outer ring, a second outer ring, a first assembling groove, a spherical raceway, an assembling shaft sleeve, a pin, a roller assembly and a bearing hole, wherein the second outer ring is arranged on one side of the first outer ring, the spherical raceways are respectively arranged on the inner sides of the first outer ring and the second outer ring, the assembling shaft sleeve is arranged on the inner side of the spherical raceway, the bearing hole is arranged on the inner side of the assembling shaft sleeve, and the roller assembly is arranged on the outer side of the assembling shaft sleeve; roller assembly includes fixed pin, drum type roller, second assembly groove, star connection key, third assembly groove, axis of rotation, rolling disc, end cover, base support, fourth assembly groove, interlock tooth, torsional spring, axle bed, chassis and rotation axis, the chassis top is fixed with the rotation axis, and this self-aligning roller bearing can effectively increase the axial load ability and the radial load ability of bearing, and the bearing can independently reply the normal position after the aligning finishes moreover, and the outer lane of bearing is convenient for install.

Description

Self-aligning roller bearing
Technical Field
The invention relates to the technical field of bearings, in particular to a self-aligning roller bearing.
Background
Because of the limitation of using conditions or processing conditions, the coaxiality of the bearing and the shaft is poor, an included angle is formed between the axial lead of the bearing hole and the axial lead of the shaft, the bearing is seriously worn after long-term use, the self-aligning bearing can adapt to the included angle, so that the machine normally works, an outer ring raceway of the self-aligning bearing is a part of a spherical surface, and a curvature center is on the bearing axial lead, so that the bearing has a self-aligning function, and can adapt to angular deviation movement between the axial leads of an inner raceway and an outer raceway when the shaft and a shell are bent, the self-aligning bearing is generally divided into a self-aligning ball bearing, a self-aligning roller bearing and a self-aligning needle roller bearing, the bearings can bear radial load and a small amount of bidirectional axial load, wherein the self-aligning roller bearing is widely applied to large-scale machines such as engineering machinery and mining machinery and the, the self-aligning roller bearing has the advantages that the structure is simple, the axial load force and the radial load force which can be supported by the bearing are small, the allowed inclination angle of the bearing is small, the bearing cannot automatically return to the original position after aligning, and the bearing is inconvenient to mount, so that the self-aligning roller bearing is necessary to design.
Disclosure of Invention
The present invention is directed to a self-aligning roller bearing to solve the above problems of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a self-aligning roller bearing comprises a first outer ring, a second outer ring, a first assembling groove, a spherical raceway, assembling shaft sleeves, pins, roller assemblies and bearing holes, wherein the second outer ring is arranged on one side of the first outer ring, the spherical raceways are respectively arranged on the inner sides of the first outer ring and the second outer ring, the assembling shaft sleeves are arranged on the inner sides of the spherical raceways, the bearing holes are arranged on the inner sides of the assembling shaft sleeves, and the roller assemblies are arranged on the outer sides of the assembling shaft sleeves; the roller assembly comprises a fixed pin, a drum-shaped roller, a second assembly groove, a star-shaped connecting key, a third assembly groove, a rotating shaft, a rotating disc, an end cover, a base support, a fourth assembly groove, meshing teeth, a torsional spring, a shaft seat, a base plate and a rotating shaft, wherein the top of the base plate is fixed with the rotating shaft, the torsional spring is sleeved outside the rotating shaft, the base support is sleeved at the top of the rotating shaft, the meshing teeth are fixed at the bottom of the base support, the fourth assembly groove is formed at the top of the base support, the rotating disc is arranged inside the fourth assembly groove, the shaft seats are arranged on two sides of the rotating disc, the end cover is arranged on one side of each shaft seat, the drum-shaped roller is arranged on one side of each end cover, the fixed pin is arranged at one end of the drum-shaped roller, the second assembly groove is formed inside the drum-shaped roller, the star-, and the inner side of the third assembling groove is sleeved with a rotating shaft.
Further, the first outer ring is connected with the second outer ring through a pin.
Furthermore, a first assembling groove is formed in the joint of the first outer ring and the second outer ring.
Furthermore, the assembly shaft sleeve is in a regular octagonal prism shape.
Further, the chassis is connected with the assembling shaft sleeve through a bolt.
Furthermore, the meshing teeth and the torsion spring are of a matched structure, and the bottom end of the torsion spring is connected with the chassis through welding.
Further, the shaft seat is connected with the base support through embedding, and the base support is connected with the end cover through a bolt.
Furthermore, the rotating shaft sequentially penetrates through the rotating disc, the base support, the shaft seat, the end cover, the star-shaped connecting key and the drum-shaped roller and is connected with the fixing pin through bolts.
Compared with the prior art, the invention has the following beneficial effects:
1. when the bearing is simultaneously subjected to axial force and radial force, the base support rotates around the rotating shaft, an angle is formed between the axis of the assembling shaft sleeve and the axis of the spherical raceway, and the outer edge of the spherical raceway forces the rolling direction of the drum-shaped roller to be still perpendicular to the spherical raceway, so that the axial load capacity and the radial load capacity of the bearing can be effectively improved;
2. when the axial force is applied, the torsion spring twists along with the base support in the clockwise or anticlockwise direction to store elastic potential energy, when the axial force applied in the assembling shaft sleeve disappears, the torsion spring releases the elastic potential energy, the base support is twisted in the opposite direction to enable the base support to wind the rotating shaft, and the structure can enable the shaft to return to the original position quickly;
3. the first outer ring is connected with the second outer ring through a pin, so that the roller assembly and the shaft sleeve can be conveniently installed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the internal structure of the present invention;
FIG. 3 is a right side view of the internal structure of the present invention;
FIG. 4 is a front elevational view of the roller assembly of the present invention;
FIG. 5 is an exploded view of the roller assembly of the present invention;
in the figure: 1. a first outer race; 2. a second outer race; 3. a first fitting groove; 4. a spherical raceway; 5. assembling the shaft sleeve; 6. a pin; 7. a roller assembly; 8. a bearing bore; 71. a fixing pin; 72. a drum-shaped roller; 73. a second assembly groove; 74. a star shaped connecting key; 75. a third assembly groove; 76. a rotating shaft; 77. rotating the disc; 78. an end cap; 79. a base support; 710. a fourth assembly groove; 711. engaging teeth; 712. a torsion spring; 713. a shaft seat; 714. a chassis; 715. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a self-aligning roller bearing comprises a first outer ring 1, a second outer ring 2, a first assembling groove 3, a spherical raceway 4, an assembling shaft sleeve 5, a pin 6, a roller assembly 7 and a bearing hole 8, wherein the second outer ring 2 is arranged on one side of the first outer ring 1, the spherical raceways 4 are respectively arranged on the inner sides of the first outer ring 1 and the second outer ring 2, the assembling shaft sleeve 5 is arranged on the inner side of the spherical raceway 4, the bearing hole 8 is arranged on the inner side of the assembling shaft sleeve 5, and the roller assembly 7 is arranged on the outer side of the assembling shaft sleeve 5; the roller component 7 comprises a fixed pin 71, a drum-shaped roller 72, a second assembly groove 73, a star-shaped connecting key 74, a third assembly groove 75, a rotating shaft 76, a rotating disc 77, an end cover 78, a base bracket 79, a fourth assembly groove 710, an engaging tooth 711, a torsion spring 712, a shaft seat 713, a base plate 714 and a rotating shaft 715, wherein the top of the base plate 714 is fixed with the rotating shaft 715, the outer side of the rotating shaft 715 is sleeved with the torsion spring 712, the top of the rotating shaft 715 is sleeved with the base bracket 79, the bottom of the base bracket 79 is fixed with the engaging tooth 711, the top of the base bracket 79 is provided with the fourth assembly groove 710, the inner side of the fourth assembly groove 710 is provided with the rotating disc 77, the two sides of the rotating disc 77 are both provided with the shaft seats 713, one side of the shaft seat 713 is provided with an end cover 78, one side of the end cover 78 is provided with the drum-shaped roller 72, one end of the drum-shaped roller, a third assembly groove 75 is formed in the inner side of the star-shaped connecting key 74, a rotating shaft 76 is sleeved on the inner side of the third assembly groove 75, the first outer ring 1 is connected with the second outer ring 2 through a pin 6, a first assembly groove 3 is formed in the joint of the first outer ring 1 and the second outer ring 2, the assembly shaft sleeve 5 is in a regular octagonal prism shape, the base plate 714 is connected with the assembly shaft sleeve 5 through a bolt, the meshing teeth 711 and the torsion spring 712 are in a matched structure, the bottom end of the torsion spring 712 is connected with the base plate 714 through welding, the shaft seat 713 is connected with the base support 79 through embedding, the base support 79 is connected with the end cover 78 through a bolt, and the rotating shaft 76 sequentially penetrates through the rotating disc 77, the base support 79, the shaft seat 713, the end cover 78, the star-shaped connecting key; when the bearing is used, the shaft is arranged in the bearing hole 8, when the shaft rotates, the assembly shaft sleeve 5 is driven to rotate, the appearance of the assembly shaft sleeve 5 is a regular octagonal prism, each side surface of the regular octagonal prism is connected with a base plate 714 in the roller component 7 through a bolt, the drum-shaped roller 72 is excessively matched with the rotating shaft 76 through the star-shaped connecting key 74, the rotating shaft 76 is fixed on the base support 79 through the shaft seat 713, when the bearing is simultaneously subjected to axial force and radial force, the bearing hole 8 and the spherical raceway 4 are not on the same axial line, the outer edge of the spherical raceway 4 forces the rolling direction of the drum-shaped roller 72 to be still perpendicular to the spherical raceway 4, at the moment, the base support 79 rotates around the rotating shaft 715, the bottom of the base support 79 is fixedly provided with the meshing teeth 711, the meshing teeth 711 and the torsion spring 712 are in a matched structure, the bottom end of the torsion spring 712 is connected with the base plate 714, elastic potential energy is stored, when the axial force applied in the bearing hole 8 disappears, the torsion spring 712 releases the elastic potential energy, the base support 79 is reversely turned, so that the base support 79 is rapidly restored around the rotating shaft 715, the first outer ring 1 is connected with the second outer ring 2 through the pin 6, and the roller assembly 7 and the assembling shaft sleeve 5 are convenient to install.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a self-aligning roller bearing, includes first outer lane (1), second outer lane (2), first assembly groove (3), spherical raceway (4), assembly axle sleeve (5), pin (6), roller assembly (7) and dead eye (8), first outer lane (1) one side is provided with second outer lane (2), its characterized in that: spherical raceways (4) are respectively arranged on the inner sides of the first outer ring (1) and the second outer ring (2), an assembly shaft sleeve (5) is arranged on the inner side of each spherical raceway (4), a bearing hole (8) is arranged on the inner side of each assembly shaft sleeve (5), and a roller assembly (7) is arranged on the outer side of each assembly shaft sleeve (5); the roller component (7) comprises a fixing pin (71), a drum-shaped roller (72), a second assembly groove (73), a star-shaped connecting key (74), a third assembly groove (75), a rotating shaft (76), a rotating disc (77), an end cover (78), a base support (79), a fourth assembly groove (710), meshing teeth (711), a torsion spring (712), a shaft seat (713), a chassis (714) and a rotating shaft (715), wherein the top of the chassis (714) is fixed with the rotating shaft (715), the outer side of the rotating shaft (715) is sleeved with the torsion spring (712), the top of the rotating shaft (715) is sleeved with the base support (79), the bottom of the base support (79) is fixed with the meshing teeth (711), the top of the base support (79) is provided with the fourth assembly groove (710), the inner side of the fourth assembly groove (710) is provided with the rotating disc (77), the two sides of the rotating disc (77) are provided with the, and axle bed (713) one side is provided with end cover (78), end cover (78) one side is provided with drum type roller (72), and drum type roller (72) one end is provided with fixed pin (71), second assembly groove (73) have been seted up to drum type roller (72) inboard, and second assembly groove (73) inboard has cup jointed star connection key (74), third assembly groove (75) have been seted up to star connection key (74) inboard, and rotation axis (76) have been cup jointed to third assembly groove (75) inboard.
2. A self-aligning roller bearing according to claim 1, wherein: the first outer ring (1) is connected with the second outer ring (2) through a pin (6).
3. A self-aligning roller bearing according to claim 1, wherein: and a first assembling groove (3) is formed at the joint of the first outer ring (1) and the second outer ring (2).
4. A self-aligning roller bearing according to claim 1, wherein: the assembly shaft sleeve (5) is in a regular octagonal prism shape.
5. A self-aligning roller bearing according to claim 1, wherein: the chassis (714) is connected with the assembling shaft sleeve (5) through bolts.
6. A self-aligning roller bearing according to claim 1, wherein: the meshing teeth (711) and the torsion spring (712) are in a matching structure, and the bottom end of the torsion spring (712) is connected with the chassis (714) through welding.
7. A self-aligning roller bearing according to claim 1, wherein: the shaft seat (713) is connected with the base support (79) through embedding, and the base support (79) is connected with the end cover (78) through a bolt.
8. A self-aligning roller bearing according to claim 1, wherein: the rotating shaft (76) sequentially penetrates through the rotating disc (77), the base support (79), the shaft seat (713), the end cover (78), the star-shaped connecting key (74) and the drum-shaped roller (72) and is connected with the fixing pin (71) through bolts.
CN201811221418.XA 2018-10-19 2018-10-19 Self-aligning roller bearing Active CN109163011B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811221418.XA CN109163011B (en) 2018-10-19 2018-10-19 Self-aligning roller bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811221418.XA CN109163011B (en) 2018-10-19 2018-10-19 Self-aligning roller bearing

Publications (2)

Publication Number Publication Date
CN109163011A CN109163011A (en) 2019-01-08
CN109163011B true CN109163011B (en) 2020-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811221418.XA Active CN109163011B (en) 2018-10-19 2018-10-19 Self-aligning roller bearing

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103047279A (en) * 2012-10-25 2013-04-17 王守彬 Mute fuzzy self-aligning roller bearing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005121195A (en) * 2003-10-20 2005-05-12 Koyo Seiko Co Ltd Self-aligning roller bearing
CN201144960Y (en) * 2007-12-20 2008-11-05 比亚迪股份有限公司 Biserial self-aligning roller bearing
CN101769332A (en) * 2008-12-26 2010-07-07 瓦房店鹏东轴承制造有限公司 Dual-outer ring self-aligning conical roller bearing
CN103821825A (en) * 2014-03-03 2014-05-28 李岚 Annular drum-shaped self-aligning roller bearing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103047279A (en) * 2012-10-25 2013-04-17 王守彬 Mute fuzzy self-aligning roller bearing

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