CN102774237B - Wheel hub and engineering vehicle - Google Patents
Wheel hub and engineering vehicle Download PDFInfo
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- CN102774237B CN102774237B CN201210268368.7A CN201210268368A CN102774237B CN 102774237 B CN102774237 B CN 102774237B CN 201210268368 A CN201210268368 A CN 201210268368A CN 102774237 B CN102774237 B CN 102774237B
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- wheel hub
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Abstract
The invention provides a wheel hub and an engineering vehicle. The wheel hub comprises a wheel installing part, a tubular bearing installing part, an outer bearing position and an inner bearing position, wherein an oil groove used for accommodating lubricating grease is arranged between the outer bearing position and the inner bearing position, the oil groove is in an annular groove-shaped structure formed by a first flange and a second flange, and one side of the first flange near the outer bearing position and one side of the second flange near the inner bearing position are respectively conical surfaces. When the wheel hub provided by the invention rotates, the centrifugal force pointing to the outer surface of the wheel hub can be generated on the conical surfaces, lubricating grease particles on the conical surface move along the conical surfaces through the tangential component force of the centrifugal force in the direction along the conical surfaces and further enter a bearing near the conical surfaces, the lubricating effect on the wheel hub bearing is greatly enhanced, and the problems that the lubricating performance of the traditional wheel hub bearing is poor, and the bearing and the wheel hub are easy to burn out are solved.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of wheel hub and engineering truck.
Background technology
Wheel hub is one of major part of running car system, is a kind ofly to require higher security personnel's part, and rideability and the safety of it and automobile have very large relation.In order to ensure safety, not only requiring that automotive hub has rational structure, also requiring that wheel hub has higher intensity, good thermal diffusivity and lubricity.Existing engineering truck is in the process travelled, if hub bearing lubricates bad, whole end assembly of taking turns can produce a large amount of heats, these heats will make bearing and wheel hub burn out, and reduce the usefulness of brake system from face, produce potential safety hazard, and existing wheel hub or can only plate disc brake be installed, can only install drum brake mechanism, commonality is poor, causes cost to increase.
Summary of the invention
In view of this, the present invention is intended to propose a kind of wheel hub and engineering truck, to strengthen the lubricant effect of hub bearing.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of wheel hub, include the axle bearing mount portion of wheel mounting portion and tubular, this axle bearing mount portion is provided with centre hole, outer bearing position is provided with near one end of wheel mounting portion at this centre hole, neck bearing position is provided with at the other end of this centre hole, the oil groove for holding grease is provided with between described outer bearing position and neck bearing position, described oil groove is the annular groove-shaped structure be made up of the twice flange be arranged in described centre hole, described twice flange is respectively the first flange near described outer bearing position and the second flange near described neck bearing position, described first flange is the conical surface near the side of described outer bearing position and described second flange near the side of described neck bearing position.
Further, the angle of the axis of the described conical surface and described centre hole is more than or equal to 20 ° and is less than or equal to 75 °.
Further, the cylindrical of described axle bearing mount portion is provided with the shaft shoulder for assembling plate disc brake and flange face, and described flange face is provided with the bolt hole for installing plate disc brake.
Further, the outer rim of described wheel mounting portion is provided with the bolt hole for installing drum brake mechanism.
Further, described first flange and/or described second flange are provided with the open slot for being communicated with described oil groove and the described conical surface.
Further, the cylindrical of described axle bearing mount portion is provided with the outer reinforced rib axially arranged along it.
Further, the inner edge of described wheel mounting portion is provided with along reinforced rib in described axle bearing mount portion axially setting.
On the other hand, the invention provides a kind of engineering truck, the vehicle bridge of this project car is provided with above-mentioned wheel hub.
Relative to prior art, the present invention has following advantage:
The conical surface for lubricating is provided with in the centre hole of 1, wheel hub of the present invention, when hub rotation, this conical surface can produce the centnifugal force pointing to hub outside surface, centnifugal force makes the material of the grease on the conical surface move along the conical surface along the tangential component in conical surface direction, and then flow in the bearing of this conical surface, greatly strengthen the lubricant effect to hub bearing, solve conventional boss bearing lubrication poor, the problem of bearing and wheel hub easy burn-out.
2, wheel hub of the present invention is provided with the shaft shoulder with installing plate disc brake, and make it both can mate plate disc brake, also can mate drum brake mechanism, commonality is strengthened greatly.
3, wheel hub of the present invention adopts the arrangement of inside and outside reinforced rib, adds the intensity of wheel hub, alleviates the weight of wheel hub, make hub weight reduce about 6% than before, also makes the thermal diffusivity of wheel hub be improved simultaneously.
4, wheel hub structure of the present invention simple, be easy to batch manufacturing, highly versatile, there is good economic benefit.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of wheel hub described in the embodiment of the present invention;
Fig. 2 is the schematic perspective view of wheel hub described in the embodiment of the present invention;
Fig. 3 is the right elevation of wheel hub described in the embodiment of the present invention;
Fig. 4 is the left view of wheel hub described in the embodiment of the present invention;
The stressed schematic diagram of the grease that Fig. 5 is wheel hub described in the embodiment of the present invention.
Description of reference numerals:
1-outer bearing position, 2-neck bearing position, 3-oil groove, 4-first flange, 5-second flange, the 6-conical surface, 7-open slot, the outer reinforced rib of 8-, the 9-shaft shoulder, 10-king bolt hole, 11-stove bolt hole, 12-axle bearing mount portion, 13-wheel mounting portion, 14-centre hole, reinforced rib in 15-, 16-flange face.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 to Fig. 4 is the relevant drawings of the embodiment of the present invention, as shown in FIG., wheel hub described in the present embodiment includes the wheel mounting portion 13 of Flange-shaped Parts and the axle bearing mount portion 12 of tubular, this axle bearing mount portion 12 is provided with centre hole 14, outer bearing position 1 is provided with near one end of wheel mounting portion 13 at this centre hole 14, neck bearing position 2 is provided with at the other end of this centre hole 14, the oil groove 3 for holding grease is provided with outside between bearing position 1 and neck bearing position 2, this oil groove 3 is the annular groove-shaped structure be made up of the twice flange be arranged in centre hole 14, described twice flange is respectively the first flange 4 near outer bearing position 1 and the second flange 5 near neck bearing position 2, this first flange 4 is the conical surface 6 near the side of outer bearing position 1 and the second flange 5 near the side of described neck bearing position 2, and the open slot 7 be equipped with on the first flange 4 with the second flange 5 for being communicated with oil groove 3 and the conical surface 6, so that the grease flow in oil groove 3 is on this conical surface 6, and then flow in the bearing of this conical surface 6.The large I of oil groove 3 is determined according to the volume of the grease that will store, and the quantity of open slot 7 can be arranged as required, and be traditionally arranged to be two, four, six etc., the open slot 7 in the present embodiment is provided with four.The conical surface 6 can be determined as required with the angle of the axis of centre hole 14, generally desirable 20 degree, 30 degree, 45 degree, 60 degree, 75 degree etc., particularly, in the present embodiment, the conical surface 6 of the first flange 4 and the second flange 5 is respectively 30 degree and 60 degree with the angle of the axis of centre hole 14.The cylindrical of axle bearing mount portion 12 is provided with the shaft shoulder 9 for assembling plate disc brake and flange face 16, this flange face 16 is provided with the stove bolt hole 11 for installing plate disc brake, being provided with the king bolt hole 10 for installing drum brake mechanism in the outer rim of wheel mounting portion 13, the commonality of wheel hub can be made so greatly to strengthen.The cylindrical of axle bearing mount portion 12 is provided with the outer reinforced rib 8 axially arranged along it, be provided with in the inner edge of wheel mounting portion 13 along reinforced rib 15 in described axle bearing mount portion 12 axially setting, this interior reinforced rib 15 and outer reinforced rib 8 not only can make the intensity of wheel hub increase, also the face area of wheel hub can be increased, be conducive to the heat dispersion strengthening wheel hub, owing to employing inside and outside reinforced rib 8 arrangement, therefore can reduce the weight of wheel hub, loss of weight about 6% compared with traditional wheel hub.Particularly, the quantity of interior reinforced rib 15 and outer reinforced rib 8 can design as required, the quantity of the interior reinforced rib 15 of this enforcement is 12, the quantity of outer reinforced rib 8 is six, the position that interior reinforced rib 15 is arranged is positioned at outside outer bearing position 1, and outer reinforced rib 8 is arranged in the position of corresponding oil groove 3 on axle bearing mount portion 12 cylindrical, the shape of interior reinforced rib 15 and outer reinforced rib 8 should make wheel hub uniform wall thickness and rounding off as far as possible.
The stressed schematic diagram of the grease that Fig. 5 is wheel hub described in the present embodiment, as shown in FIG., when wheel hub moves, the centnifugal force Fr pointing to hub outside surface is produced at the conical surface 6, wherein from hub centre more away from place, its centnifugal force is larger, because grease is attached on the lubrication conical surface 6, therefore grease particle also produces corresponding centnifugal force Fr, this centnifugal force is far longer than the gravity G of a grease material, Gu gravity can be ignored, centnifugal force Fr can be analyzed to along the tangential force Ft in the conical surface 6 direction and the normal force Fn perpendicular to the conical surface 6 direction, tangential force Ft along the conical surface 6 direction makes a grease material move along the conical surface 6, thus the grease particle on the conical surface 6 is brought in bearing, thus make bearing sufficient lubrication, bearing and wheel hub is avoided to be burned, extend the service life of bearing and wheel hub.
Except above-mentioned wheel hub, the present invention also provides a kind of engineering truck, and the wheel of this project car is provided with above-mentioned wheel hub, and the structural reference prior art of other each several part of this project car, repeats no more herein.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a wheel hub, comprise the axle bearing mount portion (12) of wheel mounting portion (13) and tubular, this axle bearing mount portion (12) is provided with centre hole (14), outer bearing position (1) is provided with near one end of wheel mounting portion (13) at this centre hole (14), neck bearing position (2) is provided with at the other end of this centre hole (14), the oil groove (3) for holding grease is provided with between described outer bearing position (1) and neck bearing position (2), described oil groove (3) is the annular groove-shaped structure be made up of the twice flange be arranged in described centre hole (14), described twice flange is respectively the first flange (4) near described outer bearing position (1) and the second flange (5) near described neck bearing position (2), it is characterized in that, described first flange (4) is the conical surface (6) near the side of described outer bearing position (1) and described second flange (5) near the side of described neck bearing position (2).
2. wheel hub according to claim 1, is characterized in that, the described conical surface (6) is more than or equal to 20 ° with the angle of the axis of described centre hole (14) and is less than or equal to 75 °.
3. wheel hub according to claim 1 and 2, it is characterized in that, the cylindrical of described axle bearing mount portion (12) is provided with the shaft shoulder (9) for assembling plate disc brake and flange face (16), and described flange face (16) is provided with the bolt hole for installing plate disc brake.
4. wheel hub according to claim 3, is characterized in that, the outer rim of described wheel mounting portion (13) is provided with the bolt hole for installing drum brake mechanism.
5. wheel hub according to claim 4, it is characterized in that, described first flange (4) and/or described second flange (5) are provided with the open slot (7) for being communicated with described oil groove (3) and the described conical surface (6).
6. wheel hub according to claim 5, is characterized in that, the cylindrical of described axle bearing mount portion (12) is provided with the outer reinforced rib (8) axially arranged along it.
7. wheel hub according to claim 6, is characterized in that, the inner edge of described wheel mounting portion (13) is provided with the interior reinforced rib (15) axially arranged along described axle bearing mount portion (12).
8. an engineering truck, is characterized in that, the vehicle bridge of this project car is provided with the wheel hub as described in claim 1 to 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210268368.7A CN102774237B (en) | 2012-07-31 | 2012-07-31 | Wheel hub and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210268368.7A CN102774237B (en) | 2012-07-31 | 2012-07-31 | Wheel hub and engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102774237A CN102774237A (en) | 2012-11-14 |
| CN102774237B true CN102774237B (en) | 2015-06-10 |
Family
ID=47119427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210268368.7A Active CN102774237B (en) | 2012-07-31 | 2012-07-31 | Wheel hub and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102774237B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608552B (en) * | 2013-11-04 | 2017-02-08 | 诸城福田汽车科技开发有限公司 | Hub |
| DE102017105523B4 (en) * | 2017-03-15 | 2020-02-27 | Saf-Holland Gmbh | hub |
| CN111231574A (en) * | 2020-04-03 | 2020-06-05 | 山东蓬翔汽车有限公司 | Forged high-strength aluminum alloy hub and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11321212A (en) * | 1998-05-15 | 1999-11-24 | Nissan Diesel Motor Co Ltd | Axle end structure for vehicle |
| JP2000142011A (en) * | 1998-11-09 | 2000-05-23 | Nsk Ltd | Axle device for automobile |
| CN1412019A (en) * | 2001-10-10 | 2003-04-23 | Skf工业股份公司 | Wheel hub and braking rotary assembly |
| WO2003045712A1 (en) * | 2001-11-27 | 2003-06-05 | Freni Brembo S.P.A. | Wheel support for vehicles with disk brakes |
| CN2761445Y (en) * | 2004-12-31 | 2006-03-01 | 万向钱潮股份有限公司 | Conical hub bearing unit |
| CN101574897A (en) * | 2009-06-09 | 2009-11-11 | 北汽福田汽车股份有限公司诸城汽车厂 | Double-rear driving axle hub and hub assembly thereof |
| JP2011111077A (en) * | 2009-11-27 | 2011-06-09 | Mitsubishi Fuso Truck & Bus Corp | Grease holding structure of bearing |
| CN202165445U (en) * | 2011-05-26 | 2012-03-14 | 郭革委 | Refuel structure of automobile hub |
| CN102501727A (en) * | 2011-12-22 | 2012-06-20 | 中国重汽集团济南动力有限公司 | Connection structure for brake disc for front steering axle of truck and hub bearing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075581A1 (en) * | 2005-10-04 | 2007-04-05 | Slesinski Steven G | Wheel hub lube director |
-
2012
- 2012-07-31 CN CN201210268368.7A patent/CN102774237B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11321212A (en) * | 1998-05-15 | 1999-11-24 | Nissan Diesel Motor Co Ltd | Axle end structure for vehicle |
| JP2000142011A (en) * | 1998-11-09 | 2000-05-23 | Nsk Ltd | Axle device for automobile |
| CN1412019A (en) * | 2001-10-10 | 2003-04-23 | Skf工业股份公司 | Wheel hub and braking rotary assembly |
| WO2003045712A1 (en) * | 2001-11-27 | 2003-06-05 | Freni Brembo S.P.A. | Wheel support for vehicles with disk brakes |
| CN2761445Y (en) * | 2004-12-31 | 2006-03-01 | 万向钱潮股份有限公司 | Conical hub bearing unit |
| CN101574897A (en) * | 2009-06-09 | 2009-11-11 | 北汽福田汽车股份有限公司诸城汽车厂 | Double-rear driving axle hub and hub assembly thereof |
| JP2011111077A (en) * | 2009-11-27 | 2011-06-09 | Mitsubishi Fuso Truck & Bus Corp | Grease holding structure of bearing |
| CN202165445U (en) * | 2011-05-26 | 2012-03-14 | 郭革委 | Refuel structure of automobile hub |
| CN102501727A (en) * | 2011-12-22 | 2012-06-20 | 中国重汽集团济南动力有限公司 | Connection structure for brake disc for front steering axle of truck and hub bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102774237A (en) | 2012-11-14 |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130619 |
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Effective date of registration: 20130619 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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