CN108194515B - Hub-bearing unit based on double reduction mechanism - Google Patents
Hub-bearing unit based on double reduction mechanism Download PDFInfo
- Publication number
- CN108194515B CN108194515B CN201711391497.4A CN201711391497A CN108194515B CN 108194515 B CN108194515 B CN 108194515B CN 201711391497 A CN201711391497 A CN 201711391497A CN 108194515 B CN108194515 B CN 108194515B
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- Prior art keywords
- planetary gear
- hub
- outer ring
- bearing
- reducing mechanism
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
Abstract
The invention discloses a kind of hub-bearing units based on double reduction mechanism, belong to auto parts field.Mainly it is made of hub bearing ontology, the first order and second level planetary gear reducing mechanism three parts.Planetary gear mechanisms for two stages includes outer ring shell, planetary gear set and sun gear.The outer ring of the outer ring shell of first order planetary gear mechanism and hub bearing ontology is connected, the sun gear and inner ring of hub bearing ontology is connected, planetary gear shaft is uniformly arranged on the sun gear of second level planetary gear mechanism.The planet carrier of second level planetary gear mechanism and the outer ring shell of first order planetary gear mechanism are connected.Power is inputted from hub bearing ontology inner ring and is finally exported by the outer ring shell of second level planetary gear mechanism through double reduction mechanism driving.Two-stage hub reduction gear is combined into one by the invention with hub bearing, and the transmission ratio of hub reduction gear can be greatly improved under limited axial space, increase the driving force of automobile, while reducing transmission system load, effectively improve the service life of power train.
Description
Technical field
The present invention relates to auto parts field more particularly to a kind of hub-bearing units based on double reduction mechanism.
Background technique
The hub-bearing unit components important as automobile are mainly used to load-bearing and provide for the rotation of hub bearing
Accurate guiding.Constant velocity cardan joint and third generation hub-bearing unit are generallyd use on car at present to cooperate, hub-bearing unit with
Wheel is connected, and constant velocity cardan joint is cooperated using spline with inner flange, and the structural elements are more, and assembly is complicated, equips vehicle
Turning radius is small.With the lightweight development trend of current automobile, the integrated level and compactness of each part are required not in automobile
It is disconnected to improve.
Hub reduction gear be afterbody in automotive transmission deceleration increase moment device, heavy goods vehicle, offroad vehicle and
In large-sized truck, when having required biggish final ratio and biggish road clearance, often by double reduction final drive
Two stage reducer gear mechanism is made same two sets, and be attached separately to two side drive wheels is nearby known as hub reduction gear.With
Economic continuous development, various heavy vehicle loading capacity constantly increase, and require also to be continuously improved to dynamic property, power train is to biography
The requirement of dynamic ratio accordingly can also improve.With the continuous increase that transmission ratio requires, the transmission ratio of single-stage hub reduction gear is difficult to
It meets the requirements, twin-stage even multi-stage speed reducer can better meet the requirement.However double reduction device necessarily causes to slow down
The increase of device axial dimension, it is contemplated that the space on the inside of wheel is extremely limited, it is therefore desirable to be passed increasing hub reduction gear
Dynamic than under conditions of effectively to control its size, it is exactly a solution well that retarder and other components, which are carried out integrated design,
Certainly method.
On May 31st, 2017,106763523 A of Chinese invention patent application CN disclose a kind of deceleration hub bearing, packet
It includes outer ring, inner ring and is set to the speed changer in the inner ring in space of circles, inner ring or outer ring are connect with hub drive；Speed changer
Power output end be sequentially connected in the inner ring or outer ring that are connect with hub drive.The invention sets up speed reducer in hub bearing
Inside causes hub bearing diameter to increase, and hub bearing fatigue life has very big decline.In addition, the structure is suitable only for
The hub reduction gear of single-stage, transmission ratio is smaller compared with double reduction gear, is unable to satisfy the requirement of certain type heavy vehicle.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of transmission ratio for defect involved in background technique
Greatly, axial dimension is small, the compact-sized hub-bearing unit based on double reduction mechanism.The integrated unit both can be very big
The axial dimension of hub reduction gear and hub bearing can be reduced again by improving hub reduction gear transmission ratio, improve compactedness.
The present invention uses following technical scheme to solve above-mentioned technical problem:
It include hub bearing ontology, first order planet-gear speed reducer based on the hub-bearing unit of double reduction mechanism
Structure, second level planetary gear reducing mechanism, fixed column, first flange disk and second flange disk；
The first order planetary gear reducing mechanism, second level planetary gear reducing mechanism include outer ring shell, planet
Gear set and sun gear, are equipped with ring gear on the inner wall of the outer ring shell, sun gear respectively with it is each in planetary gear set
A gear engages, and each gear in planetary gear set is engaged with ring gear；
The outer ring of the outer ring shell of the first order planetary gear reducing mechanism and the hub bearing ontology be connected, the sun
The inner ring of wheel and the hub bearing ontology is connected, the shaft of each gear is uniformly arranged on the second level in planetary gear set
On the sun gear of planetary gear reducing mechanism；
The second level planetary gear reducing mechanism also includes planet carrier, planet tooth in the planetary gear reducing mechanism of the second level
The shaft of each gear of wheel group is each attached on the planet carrier, and planet carrier and the first order planetary gear reducing mechanism
Outer ring shell is connected；
The sun gear of the first order planetary gear reducing mechanism is equipped with solid far from the center of the side of hub bearing ontology
Fixed column；The through-hole that the center of the sun gear of the second level planetary gear reducing mechanism is equipped with and the fixed column matches；Institute
The outer ring shell for stating second level planetary gear reducing mechanism is equipped with end cap in the side far from hub bearing ontology, and in end cap
The through-hole that the heart is equipped with and the fixed column matches；The fixed column sequentially passes through the second level planetary gear reducing mechanism
The through-hole at sun gear center and the through-hole of end cap central；
The sun gear of the second level planetary gear reducing mechanism passes through the first rolling bearing, the second rolling bearing and described
Fixed column is connected, wherein first rolling bearing, the equal and described fixed column of inner ring of the second rolling bearing are connected, the first rolling
Dynamic bearing, the second rolling bearing the equal and described second level planetary gear reducing mechanism in outer ring sun gear central through hole inner wall
It is connected；
The end cap is connected by the third rolling bearing with the fixed column, wherein the inner ring of third rolling bearing
It is connected with fixed column, the inner wall of outer ring and the end cap central through-hole is connected；
The fixed column, the sun gear of first order planetary gear reducing mechanism, second level planetary gear reducing mechanism are too
The outer ring coaxial arrangement of positive wheel, the inner ring of hub bearing ontology, hub bearing ontology；
One end of sun gear of the fixed column far from first order planetary gear reducing mechanism is equipped with for so that described
The thrust bearing of end cap axial restraint；
The first flange disk is arranged on the outer ring of the hub bearing ontology, for connecting with vehicle suspension；
The second flange disk is arranged on the outer ring shell of the second level planetary gear reducing mechanism, is used for and wheel
It is connected.
As the present invention is based on the further prioritization scheme of the hub-bearing unit of double reduction mechanism, the hub bearings
Ontology includes inner ring, outer ring and at least two groups rolling mechanism；
The rolling mechanism includes several balls and the retainer with ball engagement；
Cooperation is equipped between the inner ring, outer ring and the one-to-one raceway of the rolling mechanism, the several groups roll
Mechanism is arranged in a one-to-one correspondence in corresponding raceway.
As the present invention is based on the further prioritization scheme of the hub-bearing unit of double reduction mechanism, the hub bearings
Ontology also includes the first sealing ring, the second sealing ring；
The both ends of hub bearing ontology are respectively set in first sealing ring, the second sealing ring, be located at outer ring, inner ring it
Between, each group rolling mechanism is included.
As the present invention is based on the further prioritization scheme of the hub-bearing unit of double reduction mechanism, the hub bearings
Ontology includes inner ring, outer ring, strengthens circle and at least two groups rolling mechanism；
The rolling mechanism includes several balls and the retainer with ball engagement；
The strength of materials for strengthening circle is greater than the strength of materials of the inner ring, is mounted in an interference fit described
Inner ring is on the post jamb of one end of first order planetary gear reducing mechanism sun gear；
Cooperation is equipped with a raceway, built-in one group of rolling mechanism between the reinforcing circle, outer ring；
The inner ring, outer ring cooperation are equipped with and the one-to-one raceway of remaining rolling mechanism, the residue each group roller press
Structure is arranged in a one-to-one correspondence in the raceway between inner ring, outer ring.
As the present invention is based on the further prioritization scheme of the hub-bearing unit of double reduction mechanism, the hub bearings
Ontology also includes the first sealing ring, the second sealing ring；
The first sealing ring setting is being strengthened between circle, outer ring；
The separate first order planetary gear reducing mechanism sun gear of hub bearing ontology is arranged in second sealing ring
One end, between outer ring, inner ring；
Each group rolling mechanism is included by first sealing ring, the two the first sealing rings.
As the present invention is based on the further prioritization scheme of the hub-bearing unit of double reduction mechanism, the first order rows
The number of star gear reduction planetary gear set middle gear is at least 4, the second level planetary gear reducing mechanism planet
The number of gear set middle gear is at least 5.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
Transmission ratio can be greatly improved using two-stage hub reduction gear, increase the driving force of automobile, at the same reduce speed changer,
The load of the power trains such as main reducing gear, differential mechanism effectively improves the service life of power train.Master even can be omitted for certain vehicles
The road clearance is greatly improved in retarder, enhances passability.It, can be with by the way that retarder and hub bearing are carried out integrated design
The effectively axial dimension of reduction wheel inside structure, the compactedness of lift structure.
Detailed description of the invention
Fig. 1 is that the present invention is based on the hub-bearing unit structural schematic diagrams of double reduction mechanism；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the partial enlarged view in Fig. 1 at B.
In figure, 1- inner ring, the second sealing ring of 2-, 3- rolling element, the outer ring 4-, 4-1- first flange disk, 5- retainer, 6- are strong
Change circle, the first sealing ring of 7-, 8- first order outer ring shell, 9- first order planetary gear, the second level 10- planet carrier, 10-1- second
Grade planetary gear reducing mechanism planetary gear set middle gear, the second level 11- outer ring shell, 11-1- second flange disk, 12- lock
Tight nut, 13- thrust bearing, 14- third rolling bearing, the second rolling bearing of 15-, the second level 16- planetary gear, 17- second
Grade sun gear, the shaft of 17-1- first order planetary gear reducing mechanism planetary gear set middle gear, the first rolling bearing of 18-,
19- end cap, 20- screw, 21- first order sun gear, 21-1 fixed column.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
The present invention can be embodied in many different forms, and should not be assumed that be limited to the embodiments described herein.On the contrary,
It is thorough and complete to these embodiments are provided so that the disclosure, and model of the invention will be given full expression to those skilled in the art
It encloses.In the accompanying drawings, for the sake of clarity it is exaggerated component.
As shown in Figure 1, hub bearing ontology side is right side in figure, planetary gear mechanisms for two stages side is left side, this hair
Hub bearing part in bright includes the inner ring of hub bearing ontology, sealing ring, rolling element, outer ring, retainer, strengthens circle.Wheel
Internal spline is formed with inside the inner ring of hub bearing body, the transmission shaft of drive axle is connect with inner ring by spline, power is inputted.It is interior
Circle left end surface is provided with a groove, and groove strengthens circle for installing.Strengthen circle to be mounted in groove by the way of interference fit,
Using material more higher than inner ring intensity.As it is existing research shows that hub bearing outer column rolling element suffered by stress it is larger, therefore
The higher material of materials'use intensity at outer column rolling element stress can be significantly improved to the fatigue life of hub bearing.Strengthen
Circle had on inner ring together with interior rollaway nest, equipped with corresponding twice outer rollaway nest on outer ring, between inner and outer ring raceway
Two column rolling elements are installed, are carried out between each column rolling element using retainer circumferentially positioned.In addition, on the right side of right column rolling element
It is provided with groove on inner ring, groove is provided on the reinforcing circle on the left of left column rolling element, is also provided with corresponding groove on outer ring,
These grooves are for installing elastic seal ring.The sun gear of inner ring left end and first order planetary gear mechanism is connected, and the two is made
One.
First flange disk is formed on outer ring, first flange disk is connect with suspension by bolt, outer ring is fixed.First
The outer ring inner walls of grade planetary gear mechanism are equipped with ring gear, and the outer ring of hub bearing ontology and first order outer ring shell are solid
Even, one is made in the two, and the left end face of first order outer ring shell is provided with screw hole, passes through bolt and second level planet carrier phase fixed
Even, therefore second level planet carrier is also fixed.First order planetary gear shaft is uniformly arranged on second level sun gear right end face
On, one is made in the two.Second level planetary gear shaft is uniformly arranged on the planet carrier of the second level, and one is made in the two.
First order sun gear is engaged with each gear in first order planetary gear set, first order planetary gear set it is each
Gear is engaged with the ring gear on the shell of outer ring, forms first order planetary gear mechanism, and first order outer ring shell is fixed, power
First order planetary gear shaft, first order row are output to from the input of first order sun gear by the transmission of first order planetary gear mechanism
Star rotary gear shaft drives second level sun gear to rotate again.In view of the structure is primarily adapted for use in heavy vehicle, planetary gear number is taken
Gear average load can be effectively reduced in the larger value, improves the stationarity of transmission, improves integral fatigue life, therefore first order row
Star-wheel number at least takes 4, and first order planetary gear mechanism transmission ratio is according to gear size generally 2.5 ~ 5 or so.
Second level sun gear is engaged with second level planetary gear, on second level planetary gear and second level outer ring shell
Ring gear engagement, forms second level planetary gear mechanism.Second level planet carrier is fixed, and power is inputted from second level sun gear to be passed through
Planetary gear mechanism transmission in the second level is exported from second level outer ring shell, is formed with second flange disk on the shell of second level outer ring, is led to
It crosses bolt to connect with wheel, outputs power to wheel.Increase square, second level planet by the deceleration of first order planetary gear mechanism
Gear mechanism institute is loaded to be significantly greater than the first order, therefore the gear teeth of second level planetary gear mechanism are using more than first order intensity
High material can effectively improve the service life, and second level planetary gear quantity is greater than first order planetary gear quantity, at least takes 5
It is a.Second level planetary gear mechanism transmission ratio is 1.5 ~ 4, and the resultant gear ratio of two-stage epicyclic reduction can achieve 4 ~ 20.
As shown in figure 3, first order sun gear is equipped with fixed column, fixed column three far from the side center of hub bearing ontology
Grade multi-diameter shaft, the shaft shoulder are positioned for the first, second rolling bearing, and middle section and end are formed with screw thread.Second level sun gear center is set
There is the through-hole to match with the fixed column, fixed column protrudes into the hole.Second level sun gear central through hole both ends diameter is big or middle
Between diameter it is small, in inner circle manufactured step for the first, second rolling bearing position.In the sun gear central through hole two sides of the second level
Respectively against the outer ring of the first, second rolling bearing, the first rolling bearing inner ring withstands the shaft shoulder, second axis of rolling for step on circle
It holds left side to position using locking nut, this completes the axially positions of second level sun gear.
The outer ring shell of second level planetary gear mechanism is equipped with end cap in the side far from hub bearing ontology, in end cap
The through-hole that the heart is equipped with and the fixed column matches, fixed column protrude into the hole.End cap central through-hole right side diameter is big, left side is straight
Diameter is small, and manufactured step is used for the positioning of third rolling bearing in inner circle.The inner ring of third rolling bearing withstands the shaft shoulder, outer ring top
The firmly step in the end cap inner circle of second level outer ring shell.A thrust shaft is installed again in mounting post on the left of the shell of second level outer ring
It holds, the end cap of second level outer ring shell is close on the right side of the thrust bearing, left side is fixed using locking nut, is thus completed
The bearing positioning of the outer ring shell of second level planetary gear mechanism.
As shown in Fig. 2, first order center planetary gear hole both ends diameter is big, mid diameter is small, manufactured step in inner circle
For the installation of rolling bearing, first order planetary gear two sides inner circle top bar respectively against both ends rolling bearing outer ring, first
The shaft shoulder of grade planetary gear shaft withstands left end bearing inner race, uses bearing (ball) cover progress axial restraint, axis on the right side of right end bearing
Socket end lid is fixed using screw, and this completes first order planetary gear axial restraints.Second level planetary gear
Axial restraint is carried out using same method.
The power of running car is driven to drive the inner ring of hub bearing ontology to turn in such a way that spline connects by drive shaft
Dynamic, then power is exported after double reduction mechanism driving by the outer ring shell of second level planetary gear mechanism.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (6)
1. the hub-bearing unit based on double reduction mechanism, which is characterized in that include hub bearing ontology, first order planet tooth
Wheel deceleration mechanism, second level planetary gear reducing mechanism, first to third rolling bearing, first flange disk and second flange disk；
The first order planetary gear reducing mechanism, second level planetary gear reducing mechanism include outer ring shell, planetary gear
Group and sun gear, are equipped with ring gear on the inner wall of the outer ring shell, sun gear respectively with each tooth in planetary gear set
Wheel engages, and each gear in planetary gear set is engaged with ring gear；
The outer ring of the outer ring shell of the first order planetary gear reducing mechanism and the hub bearing ontology be connected, sun gear and
The inner ring of the hub bearing ontology is connected, the shaft of each gear is uniformly arranged on the second level planet in planetary gear set
On the sun gear of gear reduction；
The second level planetary gear reducing mechanism also includes planet carrier, planetary gear set in the planetary gear reducing mechanism of the second level
The shaft of each gear is each attached on the planet carrier, and the outer ring of planet carrier and the first order planetary gear reducing mechanism
Shell is connected；
The sun gear of the first order planetary gear reducing mechanism is equipped with fixed column far from the center of the side of hub bearing ontology；
The through-hole that the center of the sun gear of the second level planetary gear reducing mechanism is equipped with and the fixed column matches；Described second
The outer ring shell of grade planetary gear reducing mechanism is equipped with end cap in the side far from hub bearing ontology, and the center of end cap is equipped with
The through-hole to match with the fixed column；The fixed column sequentially passes through the sun gear of the second level planetary gear reducing mechanism
The through-hole at center and the through-hole of end cap central；
The sun gear of the second level planetary gear reducing mechanism passes through the first rolling bearing, the second rolling bearing and the fixation
Column is connected, wherein first rolling bearing, the equal and described fixed column of inner ring of the second rolling bearing are connected, first axis of rolling
It holds, the outer ring of the second rolling bearing is equal and the inner wall of the sun gear central through hole of the second level planetary gear reducing mechanism is solid
Even；
The end cap is connected by the third rolling bearing with the fixed column, wherein the inner ring of third rolling bearing and solid
Fixed column is connected, the inner wall of outer ring and the end cap central through-hole is connected；
The fixed column, the sun gear of first order planetary gear reducing mechanism, second level planetary gear reducing mechanism sun gear,
The outer ring coaxial arrangement of the inner ring, hub bearing ontology of hub bearing ontology；
One end of sun gear of the fixed column far from first order planetary gear reducing mechanism is equipped with for so that the end cap
The thrust bearing of axial restraint；
The first flange disk is arranged on the outer ring of the hub bearing ontology, for connecting with vehicle suspension；
The second flange disk is arranged on the outer ring shell of the second level planetary gear reducing mechanism, is used for and wheel phase
Even.
2. the hub-bearing unit according to claim 1 based on double reduction mechanism, which is characterized in that the hub spindle
Holding ontology includes inner ring, outer ring and at least two groups rolling mechanism；
The rolling mechanism includes several balls and the retainer with ball engagement；
Cooperation is equipped between the inner ring, outer ring and the one-to-one raceway of the rolling mechanism, the rolling mechanism one are a pair of
It should be arranged in corresponding raceway.
3. the hub-bearing unit according to claim 2 based on double reduction mechanism, which is characterized in that the hub spindle
Holding ontology also includes the first sealing ring, the second sealing ring；
The both ends of hub bearing ontology are respectively set in first sealing ring, the second sealing ring, between outer ring, inner ring, and
Each group rolling mechanism is between the first sealing ring, the second sealing ring.
4. the hub-bearing unit according to claim 1 based on double reduction mechanism, which is characterized in that the hub spindle
Ontology is held to include inner ring, outer ring, strengthen circle and at least two groups rolling mechanism；
The rolling mechanism includes several balls and the retainer with ball engagement；
The strength of materials for strengthening circle is greater than the strength of materials of the inner ring, is mounted on the inner ring in an interference fit
On the post jamb of one end of first order planetary gear reducing mechanism sun gear；
Cooperation is equipped with a raceway, built-in one group of rolling mechanism between the reinforcing circle, outer ring；
The inner ring, outer ring cooperation are equipped with and the one-to-one raceway of remaining rolling mechanism, the residue each group rolling mechanism one
One is correspondingly arranged in the raceway between inner ring, outer ring.
5. the hub-bearing unit according to claim 4 based on double reduction mechanism, which is characterized in that the hub spindle
Holding ontology also includes the first sealing ring, the second sealing ring；
The first sealing ring setting is being strengthened between circle, outer ring；
One end of the separate first order planetary gear reducing mechanism sun gear of hub bearing ontology is arranged in second sealing ring,
Between outer ring, inner ring；
Each group rolling mechanism is between the first sealing ring, the second sealing ring.
6. the hub-bearing unit according to claim 1 based on double reduction mechanism, which is characterized in that the first order
The number of planetary gear reducing mechanism planetary gear set middle gear is at least 4, the second level planetary gear reducing mechanism row
The number of star gear set middle gear is at least 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391497.4A CN108194515B (en) | 2017-12-21 | 2017-12-21 | Hub-bearing unit based on double reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391497.4A CN108194515B (en) | 2017-12-21 | 2017-12-21 | Hub-bearing unit based on double reduction mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194515A CN108194515A (en) | 2018-06-22 |
| CN108194515B true CN108194515B (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391497.4A Active CN108194515B (en) | 2017-12-21 | 2017-12-21 | Hub-bearing unit based on double reduction mechanism |
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| CN (1) | CN108194515B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469638A (en) * | 2019-09-18 | 2019-11-19 | 高阳县恩诺新能源科技有限公司 | A kind of brushless planet suppression driver for electric seeder |
| CN113085444B (en) * | 2021-05-20 | 2022-08-23 | 一汽解放汽车有限公司 | Hub reduction assembly and hub reduction drive axle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201298U (en) * | 1987-04-28 | 1988-04-20 | 上海市建筑科学研究所 | Sleeving-shaft feedback type planetary differential-speed device |
| JP2005212657A (en) * | 2004-01-30 | 2005-08-11 | Ntn Corp | Motorized wheel driving device |
| CN1922047A (en) * | 2004-02-23 | 2007-02-28 | Ntn株式会社 | Motor-driven wheel drive device |
| CN101031469A (en) * | 2004-09-29 | 2007-09-05 | 耐可斯特驱动有限公司 | Hub incorporating a variable ratio transmission system |
| CN101247968A (en) * | 2005-07-19 | 2008-08-20 | Ntn株式会社 | Motor-driven wheel driving apparatus |
| CN103115113A (en) * | 2013-03-05 | 2013-05-22 | 徐州科源液压股份有限公司 | Stirring reduction box |
| DE102011119773A1 (en) * | 2011-11-30 | 2013-06-06 | Robert Bosch Gmbh | Method for producing a planetary gear, planetary gear and use of a planetary gear |
| CN104696445A (en) * | 2015-03-19 | 2015-06-10 | 黄玲艳 | Wheel reduction gear |
-
2017
- 2017-12-21 CN CN201711391497.4A patent/CN108194515B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201298U (en) * | 1987-04-28 | 1988-04-20 | 上海市建筑科学研究所 | Sleeving-shaft feedback type planetary differential-speed device |
| JP2005212657A (en) * | 2004-01-30 | 2005-08-11 | Ntn Corp | Motorized wheel driving device |
| CN1922047A (en) * | 2004-02-23 | 2007-02-28 | Ntn株式会社 | Motor-driven wheel drive device |
| CN101031469A (en) * | 2004-09-29 | 2007-09-05 | 耐可斯特驱动有限公司 | Hub incorporating a variable ratio transmission system |
| CN101247968A (en) * | 2005-07-19 | 2008-08-20 | Ntn株式会社 | Motor-driven wheel driving apparatus |
| DE102011119773A1 (en) * | 2011-11-30 | 2013-06-06 | Robert Bosch Gmbh | Method for producing a planetary gear, planetary gear and use of a planetary gear |
| CN103115113A (en) * | 2013-03-05 | 2013-05-22 | 徐州科源液压股份有限公司 | Stirring reduction box |
| CN104696445A (en) * | 2015-03-19 | 2015-06-10 | 黄玲艳 | Wheel reduction gear |
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| Publication number | Publication date |
|---|---|
| CN108194515A (en) | 2018-06-22 |
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