CN201129363Y - Non-drive wheel hub unit assembly of commercial vehicle - Google Patents
Non-drive wheel hub unit assembly of commercial vehicle Download PDFInfo
- Publication number
- CN201129363Y CN201129363Y CNU2007203120602U CN200720312060U CN201129363Y CN 201129363 Y CN201129363 Y CN 201129363Y CN U2007203120602 U CNU2007203120602 U CN U2007203120602U CN 200720312060 U CN200720312060 U CN 200720312060U CN 201129363 Y CN201129363 Y CN 201129363Y
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- Prior art keywords
- mandrel
- gear
- hub unit
- outer ring
- unit assembly
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- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 abstract description 9
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- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a non-drive hub unit assembly for commercial vehicles, which comprises a flanged outer ring, two inner rings, a mandrel with a mounting flange, two crowning conical rolling elements, two holders, a set of needle roller bearings, a set of deep groove ball bearings and a gear. The inner side of the flanged outer ring is provided with two inner raceways, outer sides of the two inner rings are respectively provided with an outer raceway, the crowning conical rolling elements installed inside the holders are arranged between the flanged outer ring and the inner rings, the needle roller bearings and the deep groove ball bearings are respectively installed in a center hole of the mandrel, and the gear is fixed at the upper end of the mandrel. One set of needle roller bearings and one set of deep groove ball bearings are employed to be combined and assembled inside the mandrel in the utility model, thereby guaranteeing a support mechanism of the hub unit to be still capable of flexibly rotating while vehicles are heavily loaded, inner energy consumption can be smallest, and the gear with relatively large pitch circle and relatively high gear strength is utilized to be directly meshed with an axle shaft gear, which effectively reinforces torque transmission efficiency of the hub unit, thereby enabling products to achieve higher dynamic load rating and operation reliability.
Description
[technical field]
The utility model relates to auto parts and components, relates in particular to commercial car non-driving wheel hub unit assembly.
[technical background]
At present, the pivoting support of middle-size and small-size riding wheel has mostly adopted the hub assembly structure, this structure not only can be simplified installation procedure, dwindle installing space, effectively guaranteed simultaneously the intensity and the rigidity of bearing running accuracy and supporting, fully satisfied the requirement of automobile in various complicated travels down; Particularly along with the development of electronic information technology, on hub also common configuration the sensor of various ways, and wheel speed signal coupling device, the velocity information of wheel running directly is sent to control system, can prevent automobile wheel lock up phenomenon when emergency braking effectively, thereby the Safety performance of automobilism is improved greatly.
But, the commercial car field, because the difficulty of design of hub assembly bearing capacity and part processing aspect, make the swivel bearing of commercial car wheel hub seldom adopt the unit assembly structure, but continue to use traditional two cover tapered roller bearings back-to-back after the combine and assemble, embedding has in the hub shell of flange, cooperates through adjusting, and is assembled on the vehicle bridge again.Linkage editor is loaded down with trivial details, and it is big to adjust difficulty, in case one group of bearing unit debugging is bad, will take hub shell apart, changes bearing again, seriously affects the manufacturing efficiency of automobile chassis, also produces some hidden danger of quality simultaneously unavoidably.
In addition, all be processed with the spline of transmitting torque on the present hub assembly mandrel, connect with axle half shafts, integrate supporting and moment of torsion propagation function, but because the commercial car heavy burden is bigger, wheel hub driving torque resistance increases during heavy duty, and therefore the moment of torsion transmission efficiency of hub when heavy duty is turned round of this structure has reduction.
[summary of the invention]
The purpose of this utility model is exactly in order to solve problems of the prior art, a kind of commercial car non-driving wheel hub unit assembly is proposed, can either satisfy higher dynamic load rating of commercial car and high reliability request, can improve the moment of torsion transmission efficiency of hub again, and the influence that makes it not born a heavy burden by vehicle.
For achieving the above object, the utility model patent has proposed a kind of commercial car non-driving wheel hub unit assembly, comprise the flange outer ring, two inner rings, the mandrel of band mounting flange, two row convexity cone type rolling elements, two retainers, one cover needle bearing, one cover deep groove ball bearing, gear, inboard, described flange outer ring is provided with raceway in the biserial, two inner ring outsides are respectively equipped with outer raceway, convexity cone type rolling element is installed in the retainer, and be arranged between flange outer ring and the inner ring, needle bearing and deep groove ball bearing are installed in respectively in the center hole of mandrel, and gear is fixed on the upper end of mandrel.
As preferably, the magnetic gear ring is installed between two inner rings on the described mandrel, the corresponding position of flange outer ring is equipped with sensing head.
As preferably, described convexity cone type rolling element is that the plain line of outer surface is one group of conical rolling element that is symmetrical in the continuous dimpling curve of rolling element shaft axis.
As preferably, respectively be provided with one group of seal ring between described flange outer ring and two inner rings.
The beneficial effect of the utility model patent: the utility model adopts interior raceway of convexity cone type roller and flange outer ring biserial and the outer raceway of inner ring to cooperate, adopt an equipped cover needle bearing of the inner combination of mandrel and a cover deep groove ball bearing, thereby the support mechanism that ensures hub still turns round when vehicle bears a heavy burden flexibly, and inner energy consumption is accomplished minimum.Employing has the direct geared and the differential gear engagement of big pitch circle and higher gear teeth intensity, effectively strengthened hub moment of torsion transmission efficiency, thereby make product reach higher dynamic load rating and operational reliability, the transmission system in-fighting is with the problem of bearing a heavy burden and increasing and significantly increasing when having solved the commercial car heavy duty.In addition, the magnetic gear ring is housed between two inner rings, when turn round in the wheel hub outer ring, gear ring and sensing head effect are also exported the quasi-sine-wave voltage signal, and this signal is inputed to the control system of automobile, finally change controlled wheel speed signal into.
[description of drawings]
Fig. 1 is the structural representation of the utility model commercial car non-driving wheel hub unit assembly;
Fig. 2 is the structural representation of the cone type rolling element of non-convexity in the prior art;
Fig. 3 is the structural representation of the utility model camber cone type rolling element.
[embodiment]
Consult Fig. 1, commercial car non-driving wheel hub unit assembly, comprise mandrel 4, the two row convexity cone type rolling elements 8 of flange outer ring 1, two inner rings 2,3, band mounting flange, two retainers 9, a cover needle bearing 5, a cover deep groove ball bearing 12, gear 6,1 inboard, described flange outer ring is provided with raceway in the biserial, two inner ring 2,3 outsides are respectively equipped with outer raceway, convexity cone type rolling element 8 is installed in the retainer 9, and is separately positioned in the space of flange outer ring 1 and inner ring 2 and inner ring 3 formations; Needle bearing 5 and deep groove ball bearing 12 are installed in respectively in the center hole of mandrel 4, and gear 6 is fixed on the upper end of mandrel.Be fixed with construction bolt 13 on the flanged surface of mandrel 4.
In order to reduce power consumption, improve the moment of torsion transmission efficiency of automotive hub, to support in the present embodiment with transferring elements and be divided into two-part: the spline that does not have conventional transmitting torque on the axle as supporting, but a cover needle bearing 5 in semiaxis and the hub mandrel and a cover deep groove ball bearing 12 cooperate, axial and supporting force requirement radially in the time of can guaranteeing the hub heavy burden on the one hand, can make the torque force that bears on the supporting axle very little on the other hand, so that the resistance the during rotation of unit assembly is very low, moment of torsion transmission as hub is then finished by the gear 6 that is fitted in mandrel upper end, unit, because gear 6 is design and processing reasonably, make it reach bigger Pitch radius and gear teeth intensity, simultaneously it can also be directly and differential gear mesh, therefore improved the moment of torsion transmission efficiency of wheel hub greatly, the transmission system in-fighting is with the problem of bearing a heavy burden and increasing and significantly increasing when having solved the commercial car heavy duty well.
Between two inner rings 2,3 magnetic gear ring 11 is installed on the described mandrel 4, the corresponding position of flange outer ring 1 is equipped with sensing head 10.Magnetic gear ring 11 forms for special magnetic material die casting, and precision is higher, is installed on the mandrel 4, when wheel turned round, gear ring 11 rotated with mandrel 4, accurately is coupled with sensing head 10, export the quasi-sine-wave voltage signal simultaneously,, finally reflect the variation of wheel speed through handling.
Described convexity cone type rolling element is that the plain line of outer surface is one group of conical rolling element that is symmetrical in the continuous dimpling curve of rolling element shaft axis.Consult comparison diagram 2,3, in cylinder, cone, bus is along lead continuous motion formation rule curved surface, the bus of the every bit on lead is called plain line, and the cone type of convexity described in present embodiment rolling element 5 is one group of conical rolling element that is symmetrical in the continuous dimpling curve of rolling element shaft axis for the plain line of outer surface.According to the finite element analysis of rolling friction pair contact surface convexity, its specified bearing capacity can improve more than 20% on the basis of straight line type tapered roller; And convexity cone type rolling element 8 can also prevent effectively that end that roller contacts with raceway from producing stress and concentrating, thereby has improved the reliability of unit assembly greatly.
Respectively be provided with one group of seal ring 7 between described flange outer ring and two inner rings, strengthen the sealing of whole hub, both prevented hazardous mediums intrusion inside, unit such as outside dust, moisture, the inner lubricating grease of maintenance can be not excessive again.
Described retainer 9 adopts Reinforced Nylon to make, and guarantees that rolling element 6 guiding are more reliable.
The application of this hub assembly is a brand new concept on China's commercial car drive hub structure, is that the major step of hub series product technology promotes, and has extraordinary economic benefit and social benefit.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (4)
1. commercial car non-driving wheel hub unit assembly, it is characterized in that: comprise that flange outer ring, two inner rings, the mandrel of band mounting flange, two row convexity cone type rolling elements, two retainers, cover needle bearings, overlap deep groove ball bearing, gear, inboard, described flange outer ring is provided with raceway in the biserial, two inner ring outsides are respectively equipped with outer raceway, convexity cone type rolling element is installed in the retainer, and be arranged between flange outer ring and the inner ring, needle bearing and deep groove ball bearing are installed in respectively in the center hole of mandrel, and gear is fixed on the upper end of mandrel.
2. commercial car non-driving wheel hub unit assembly as claimed in claim 1 is characterized in that: the magnetic gear ring is installed between two inner rings on the described mandrel, and the corresponding position of flange outer ring is equipped with sensing head.
3. commercial car non-driving wheel hub unit assembly as claimed in claim 1 is characterized in that: described convexity cone type rolling element is that the plain line of outer surface is one group of conical rolling element that is symmetrical in the continuous dimpling curve of rolling element shaft axis.
4. commercial car non-driving wheel hub unit assembly as claimed in claim 1 is characterized in that: respectively be provided with one group of seal ring between described flange outer ring and two inner rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203120602U CN201129363Y (en) | 2007-12-19 | 2007-12-19 | Non-drive wheel hub unit assembly of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203120602U CN201129363Y (en) | 2007-12-19 | 2007-12-19 | Non-drive wheel hub unit assembly of commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129363Y true CN201129363Y (en) | 2008-10-08 |
Family
ID=40017206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203120602U Expired - Fee Related CN201129363Y (en) | 2007-12-19 | 2007-12-19 | Non-drive wheel hub unit assembly of commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129363Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109424726A (en) * | 2017-08-30 | 2019-03-05 | 上海旭恒精工机械制造有限公司 | A kind of steering transmission support |
-
2007
- 2007-12-19 CN CNU2007203120602U patent/CN201129363Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102815165B (en) * | 2012-06-19 | 2014-12-10 | 浙江兆丰机电股份有限公司 | Car hub unit with separately-connected hub inner side end |
| CN109424726A (en) * | 2017-08-30 | 2019-03-05 | 上海旭恒精工机械制造有限公司 | A kind of steering transmission support |
| CN109424726B (en) * | 2017-08-30 | 2024-04-30 | 上海旭恒精工机械制造有限公司 | Steering transmission supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU ZHAOFENG AUTOMOBILE ACCESSORIES MANUFACT Free format text: FORMER OWNER: KONG AIXIANG Effective date: 20080905 |
|
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080905 Address after: Hangzhou City, Zhejiang Province, South Block of Xiaoshan economic and Technological Development Zone Zhaofeng Road 6, zip code: 311232 Patentee after: Hangzhou Zhaofeng Auto Parts Manufacturing Co., Ltd. Address before: Hangzhou City, Zhejiang Province, South Block of Xiaoshan economic and Technological Development Zone Zhaofeng Road 6, zip code: 311232 Patentee before: Kong Aixiang |
|
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ZHAOFENG MECHANICAL + ELECTRICAL CO., LTD Free format text: FORMER NAME: HANGZHOU ZHAOFENG AUTOMOBILE ACCESSORIES MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone, Zhaofeng Road No. 6 Patentee after: Zhejiang Zhaofeng Mechanical and Electronic Co., Ltd. Address before: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone, Zhaofeng Road No. 6 Patentee before: Hangzhou Zhaofeng Auto Parts Manufacturing Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20131219 |