CN114654939B - Power transmission device with end face tooth parts connected - Google Patents
Power transmission device with end face tooth parts connected Download PDFInfo
- Publication number
- CN114654939B CN114654939B CN202210314331.7A CN202210314331A CN114654939B CN 114654939 B CN114654939 B CN 114654939B CN 202210314331 A CN202210314331 A CN 202210314331A CN 114654939 B CN114654939 B CN 114654939B
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- CN
- China
- Prior art keywords
- tooth
- universal joint
- straight
- power transmission
- inner ring
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0015—Hubs for driven wheels
- B60B27/0021—Hubs for driven wheels characterised by torque transmission means from drive axle
- B60B27/0031—Hubs for driven wheels characterised by torque transmission means from drive axle of the axial type, e.g. front teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/001—Hubs with roller-bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0015—Hubs for driven wheels
- B60B27/0021—Hubs for driven wheels characterised by torque transmission means from drive axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0078—Hubs characterised by the fixation of bearings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a power transmission device with end face tooth parts connected, which comprises an outer ring, an inner ring, a universal joint and a locking bolt, wherein a first rollaway nest is arranged between the outer ring and the inner ring, a first roller is arranged in the first rollaway nest, an embedded ring is also matched on the inner ring, a second rollaway nest is formed between the embedded ring and the outer ring, a second roller is arranged in the second rollaway nest, a curled edge abutting against the universal joint is arranged at the edge of the inner ring corresponding to the embedded ring, straight teeth are respectively distributed on abutting surfaces of the curled edge and the universal joint along the circumferential direction, the torque transmission between the inner ring and the universal joint is formed by the mutual engagement of the straight teeth of the universal joint and the curled edge, the head part of the locking bolt is abutted against the side wall of the inner ring, and the rod part of the locking bolt penetrates through an inner hole of the inner ring and then is in threaded fit with the universal joint. The device has the advantages of compact structure, lower overall weight, high installation precision and stable power transmission.
Description
Technical Field
The invention relates to the technical field of hub bearings, in particular to a power transmission device with end face tooth parts connected.
Background
The hub bearings of the drive wheels are typically connected to the vehicle drive elements (ball cage shafts) using pairs of internal and external splines to transmit vehicle power. Traditional connected mode is provided with longer spline, and difficult processing and assembly are difficult. Because of machining errors or abrasion in the running process, gaps can be formed between the driving element and the hub bearing in the running process of the vehicle, so that the driving element of the vehicle and the hub are not coaxial relative to the rotating axis, starting abnormal sound is easy to generate, and power transmission is unsmooth. Meanwhile, the national government has increasingly stringent requirements on automobile emission, and the application of novel high-torque turbocharged engines and new energy automobile electric drive systems, more and more automobile manufacturers have urgent need for a hub bearing with compact structure, lower weight, high installation precision and stable power transmission.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the power transmission device with the end face tooth part connected, which has the advantages of compact structure, lower overall weight, high installation precision and stable power transmission.
In order to achieve the above purpose, the invention provides a power transmission device with end face tooth parts connected, which comprises an outer ring, an inner ring, a universal joint and a locking bolt, wherein a first rollaway nest is arranged between the outer ring and the inner ring, a first roller is arranged in the first rollaway nest, an embedded ring is also matched on the inner ring, a second rollaway nest is formed between the embedded ring and the outer ring, a second roller is arranged in the second rollaway nest, a curled edge which is abutted to the universal joint is arranged at the edge of the inner ring corresponding to the embedded ring, straight teeth are respectively distributed on the abutting surfaces of the curled edge and the universal joint along the circumferential direction, the torque transmission between the inner ring and the universal joint is formed by the mutual engagement of the straight teeth of the universal joint and the curled edge, the head part of the locking bolt is abutted to the side wall of the inner ring, and the rod part of the locking bolt is matched with the universal joint through threads after passing through the inner hole of the inner ring.
In a further arrangement of the present invention, a tooth groove is formed between the straight teeth on the abutment surface of the crimping flange and the universal joint, and the intersection point of the tooth crest extension line of the straight teeth and the tooth bottom extension line of the tooth groove is arranged offset from the rotation center line.
As a further arrangement of the invention, an inclined angle alpha 1 is formed between the tooth top extension line of the straight tooth and the joint plane, an inclined angle alpha 2 is formed between the tooth bottom extension line of the tooth groove and the joint plane, alpha 1 is more than or equal to alpha 2, the tooth bottom extension line of the tooth groove and the joint plane are intersected to form a first intersection point, the distance from the first intersection point to the rotating shaft is S, and the inner diameter of the straight tooth is d, and S/d is more than or equal to 0.05 and less than or equal to 0.5.
As a further arrangement of the invention, the tooth surface angle formed by the straight tooth side surface is a normal type surface angle beta, and the normal type surface angle beta is set to be 36-72 degrees
As a further arrangement of the invention, a chamfer is formed between the straight tooth roots, and the root transition fillet is arranged at 0.5-1.0.
As a further arrangement of the present invention, the spur tooth crest delay line is arranged to be gradually smaller in height from the radial outside to the radial inside with respect to the rotation axis, and the tooth groove bottom delay line is arranged to be gradually larger in height from the radial outside to the radial inside with respect to the rotation axis.
As a further arrangement of the invention, the profile lines on both sides of the spur tooth are arranged intersecting with the revolution center line.
As a further arrangement of the invention, the straight tooth edge chamfer is provided.
In the above description, the rotation center line refers to the central axis of the integral structure, the pitch plane refers to the plane where the tooth groove width and the tooth thickness are located at the same position under the same diameter of the section circle, and the beneficial effects of the arrangement are that: through the structure, the universal joint is meshed with the inner ring through the straight teeth to form the transmission of torque between the universal joint and the inner ring, and the universal joint is further fixed through the locking bolt, so that the hub bearing structure and the universal joint are stably connected, when the device is clamped, the straight teeth structures of the universal joint and the inner ring are firstly contacted with each other at the radial large end, and are contacted with each other at the small end along with the increase of the clamping force, and in the clamping state, the straight teeth uniformly bear load in the whole length. When the hub bearing and the constant velocity joint start to clamp, the inwardly opening conical gap existing between the two end teeth can be closed by deformation of the straight teeth of the universal joint or the hub bearing, and the load on each straight tooth can be reduced and the tooth surface stress can be reduced. At the same time, the slight spring action of the device in the axial direction contributes to an improved torsion resistance, so that a particularly high torsion and bending stiffness is produced between the universal joint and the hub. Further straight tooth both sides contour line intersects in the setting of gyration central line, can guarantee the centering effect of tooth portion meshing, is further be formed with the chamfer between the straight tooth root, root transition fillet sets up 0.5~1.0, is provided with the bending strength that effectively improves the root like this, reduces extrusion stress, and straight tooth edge is formed with the chamfer simultaneously, can effectively avoid edge stress concentration, further improves overall structure's reliability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first distribution mode of the points of intersection of the tooth tip extension line of the straight tooth and the pitch plane, and the nodes of the tooth bottom extension line of the tooth slot and the pitch plane in the embodiment of the invention;
FIG. 3 is a schematic diagram of a second distribution mode of the points of intersection of the tooth tip extension line of the straight tooth and the pitch plane, and the nodes of the tooth bottom extension line of the tooth slot and the pitch plane in the embodiment of the invention;
FIG. 4 is a schematic diagram of a third distribution mode of the points of intersection of the tooth tip extension line of the straight tooth and the pitch plane, and the nodes of the tooth bottom extension line of the tooth slot and the pitch plane in the embodiment of the invention;
FIG. 5 is a cross-sectional view of a tooth segment plane in an embodiment of the invention;
FIG. 6 is a tooth form face angle cross-sectional view of an embodiment of the present invention;
fig. 7 is a normal profile cross-section of a tooth form in an embodiment of the invention.
Detailed Description
Examples of the power transmission device with the end face tooth connection according to the present invention are shown in fig. 1, 5, 6 and 7: including outer lane 2, inner circle 1, universal joint 3 and lock bolt 4, be provided with first raceway between outer lane 2 and the inner circle 1, be provided with first roller 61 in the first raceway, still cooperate on the inner circle 1 and inlay circle 5, be formed with the second raceway between inlay circle 5 and the outer lane 2, be provided with second roller 62 in the second raceway, inner circle 1 border corresponds the turn-up flange that is provided with universal joint 3 butt in the position of inlay circle 5, has arranged straight tooth 7 along circumference on the butt face of turn-up flange and universal joint 3 both respectively, universal joint 3 and turn-up flange form the moment of torsion transmission of inner circle 1 and universal joint 3 through the intermeshing of straight tooth 7, lock bolt 4 head conflict is on inner circle 1 lateral wall, lock bolt 4 pole portion pass behind the inner circle 1 hole with universal joint 3 screw-thread fit.
As a further arrangement of the present embodiment, a tooth space 8 is formed between the straight teeth 7 on the contact surface of both the crimping flange and the universal joint 3, and the intersection point of the tooth top extension line of the straight teeth 7 and the tooth bottom extension line of the tooth space 8 is arranged offset from the center line of rotation.
As a further arrangement of the embodiment, an inclined angle alpha 1 is formed between the tooth top extension line of the straight tooth 7 and the joint plane, an inclined angle alpha 2 is formed between the tooth bottom extension line of the tooth socket 8 and the joint plane, alpha 1 is larger than or equal to alpha 2, the tooth bottom extension line of the tooth socket 8 and the joint plane are intersected to form a first intersection point, the distance from the first intersection point to the rotating shaft is S, the inner diameter of the straight tooth 7 is d, and S/d is more than or equal to 0.05 and less than or equal to 0.5.
As a further arrangement of the present embodiment, the face angle α is formed by the side face of the spur tooth 7, the tooth surface angle of the spur tooth 7 perpendicular to the tooth groove bottom line is a normal face angle β, and the normal face angle β is set to 36 ° to 72 °
As a further arrangement of the present embodiment, a chamfer is formed between the roots of the straight teeth 7, and the root transition fillet is provided with 0.5 to 1.0.
As a further arrangement of the present embodiment, the tooth tip delay line of the spur tooth 7 is arranged to be gradually smaller in height from the radial outside to the radial inside with respect to the rotation axis, and the groove bottom delay line of the tooth groove 8 is arranged to be gradually larger in height from the radial outside to the radial inside with respect to the rotation axis.
In a further arrangement of the present embodiment, the contour lines on both sides of the spur gear 7 intersect with the center line of rotation.
As a further arrangement of this embodiment, the straight teeth 7 are provided with a chamfer at the edge.
The distribution modes of the intersection point of the straight tooth top extension line and the joint plane and the joint point of the tooth socket tooth bottom extension line and the joint plane are as shown in figures 2 to 4
As shown in fig. 2, the intersection point of the straight tooth crest extension line and the pitch plane and the node point of the tooth space tooth bottom extension line and the pitch plane are disposed on the same side of the revolution center line.
As shown in fig. 3, the intersection point of the straight tooth crest extension line and the pitch plane and the node point of the tooth space tooth bottom extension line and the pitch plane are respectively arranged at both sides of the rotation center line.
As shown in fig. 4, the intersection point of the straight tooth crest extension line and the pitch plane and the node point of the tooth space tooth bottom extension line and the pitch plane coincide.
The above examples are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention are included in the scope of the present invention.
Claims (4)
1. The utility model provides a power transmission device that terminal surface tooth portion is connected which characterized in that: including outer lane, inner circle, universal joint and locking bolt, be provided with first raceway between outer lane and the inner circle, be provided with first roller in the first raceway, still cooperate on the inner circle and have the embedded circle, be formed with the second raceway between embedded circle and the outer lane, be provided with the second roller in the second raceway, the inner circle border corresponds the embedded circle position and is provided with the turn-up flange with universal joint butt, has arranged the straight tooth along circumference on the butt face of turn-up flange and universal joint both respectively, universal joint and turn-up flange form the torque transmission of inner circle and universal joint through the intermeshing of straight tooth, the locking bolt head is contradicted on the inner circle lateral wall, locking bolt pole portion passes behind the inner circle hole and is formed with universal joint screw thread fit, be formed with the tooth groove between the straight tooth on the butt face of turn-up flange and universal joint both, the intersection skew rotation center line setting of tooth top extension line and tooth groove bottom extension line, form tilt angle α1 between tooth bottom extension line and the tooth groove plane, form tilt angle α2 between tooth groove bottom extension line and the tooth bottom plane, tooth bottom α2 is equal to or more than or equal to the straight tooth bottom angle S2, the intersection angle S is perpendicular to the normal angle between tooth bottom plane, and the tooth bottom angle S is equal to 0.0.0.0.0 m, the normal angle is formed between the straight tooth bottom plane and the straight tooth plane is equal to the normal angle S.0.0.0.
2. The power transmission device for end face tooth connection according to claim 1, characterized in that: the straight tooth crest delay line is arranged in a gradually decreasing height way from the radial outer side to the radial inner side relative to the rotating shaft, and the tooth groove bottom delay line is arranged in a gradually increasing height way from the radial outer side to the radial inner side relative to the rotating shaft.
3. The power transmission device for end face tooth connection according to claim 1, characterized in that: and contour lines on two sides of the straight tooth are intersected with each other at the rotation center line.
4. The power transmission device for end face tooth connection according to claim 1, characterized in that: and the straight tooth edge is arranged in a chamfering way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314331.7A CN114654939B (en) | 2022-03-28 | 2022-03-28 | Power transmission device with end face tooth parts connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210314331.7A CN114654939B (en) | 2022-03-28 | 2022-03-28 | Power transmission device with end face tooth parts connected |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114654939A CN114654939A (en) | 2022-06-24 |
| CN114654939B true CN114654939B (en) | 2023-08-25 |
Family
ID=82032548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210314331.7A Active CN114654939B (en) | 2022-03-28 | 2022-03-28 | Power transmission device with end face tooth parts connected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114654939B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292606A (en) * | 2023-03-23 | 2023-06-23 | 人本股份有限公司 | Bearing device with end teeth |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038003A (en) * | 1998-07-22 | 2000-02-08 | Nippon Seiko Kk | Rolling bearing unit for wheel |
| CA2711804A1 (en) * | 2003-10-14 | 2005-07-21 | Aktiebolaget Skf | Asymmetric hub assembly |
| CN101300143A (en) * | 2005-11-07 | 2008-11-05 | Ntn株式会社 | Bearing device for wheel |
| CN101304890A (en) * | 2005-11-11 | 2008-11-12 | Gkn动力传动系统有限公司 | Wheel hub/rotary joint arrangement having a spur toothing system |
| WO2008142988A1 (en) * | 2007-05-15 | 2008-11-27 | Ntn Corporation | Bearing device for wheel |
| CN102815165A (en) * | 2012-06-19 | 2012-12-12 | 浙江兆丰机电股份有限公司 | Car hub unit with separately-connected hub inner side end |
| CN103287210A (en) * | 2012-03-02 | 2013-09-11 | 株式会社捷太格特 | Hub unit, joint, spline forming method thereof |
| CN105422661A (en) * | 2015-12-04 | 2016-03-23 | 镇江市润州联轴器厂 | Cross shaft type universal coupling |
| CN106255602A (en) * | 2014-04-23 | 2016-12-21 | 日进全球株式会社 | Driving wheel bearing and manufacture method thereof |
| CN113464567A (en) * | 2021-07-22 | 2021-10-01 | 人本股份有限公司 | Hub bearing with spline shielding structure |
| CN215567348U (en) * | 2021-07-22 | 2022-01-18 | 人本股份有限公司 | Hub bearing with end face spline |
-
2022
- 2022-03-28 CN CN202210314331.7A patent/CN114654939B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000038003A (en) * | 1998-07-22 | 2000-02-08 | Nippon Seiko Kk | Rolling bearing unit for wheel |
| CA2711804A1 (en) * | 2003-10-14 | 2005-07-21 | Aktiebolaget Skf | Asymmetric hub assembly |
| CN101300143A (en) * | 2005-11-07 | 2008-11-05 | Ntn株式会社 | Bearing device for wheel |
| CN101304890A (en) * | 2005-11-11 | 2008-11-12 | Gkn动力传动系统有限公司 | Wheel hub/rotary joint arrangement having a spur toothing system |
| WO2008142988A1 (en) * | 2007-05-15 | 2008-11-27 | Ntn Corporation | Bearing device for wheel |
| CN103287210A (en) * | 2012-03-02 | 2013-09-11 | 株式会社捷太格特 | Hub unit, joint, spline forming method thereof |
| CN102815165A (en) * | 2012-06-19 | 2012-12-12 | 浙江兆丰机电股份有限公司 | Car hub unit with separately-connected hub inner side end |
| CN106255602A (en) * | 2014-04-23 | 2016-12-21 | 日进全球株式会社 | Driving wheel bearing and manufacture method thereof |
| CN105422661A (en) * | 2015-12-04 | 2016-03-23 | 镇江市润州联轴器厂 | Cross shaft type universal coupling |
| CN113464567A (en) * | 2021-07-22 | 2021-10-01 | 人本股份有限公司 | Hub bearing with spline shielding structure |
| CN215567348U (en) * | 2021-07-22 | 2022-01-18 | 人本股份有限公司 | Hub bearing with end face spline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114654939A (en) | 2022-06-24 |
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