CN206520436U - A kind of Novel wheel-side deceleration front steering drive axle - Google Patents
A kind of Novel wheel-side deceleration front steering drive axle Download PDFInfo
- Publication number
- CN206520436U CN206520436U CN201720135627.7U CN201720135627U CN206520436U CN 206520436 U CN206520436 U CN 206520436U CN 201720135627 U CN201720135627 U CN 201720135627U CN 206520436 U CN206520436 U CN 206520436U
- Authority
- CN
- China
- Prior art keywords
- sun gear
- wheel
- constant speed
- fixed engagement
- adjusting nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of Novel wheel-side deceleration front steering drive axle, the utility model includes vehicle bridge, the two ends of vehicle bridge respectively connect a wheel side assembly by a knuckle, described wheel side assembly includes spindle nose, wheel hub, it is rotatably arranged on the constant speed axle in spindle nose, the wheel side end lid of planetary mechanism and closing wheel hub in wheel hub, described wheel side assembly also includes fixed engagement set and adjusting nut, described fixed engagement set is fixedly sleeved on constant speed axle, fixed engagement covers is provided with the engaging tooth being engaged on the end face relative with sun gear, fixed engagement covers is provided with return spring between sun gear, holddown spring is provided between adjusting nut and sun gear.The utility model is relative to the hub reduction front steering drive axle of existing mechanism, and the mechanical wear caused when forerunner's bridge inner components passively work when can reduce by two drives and produced running resistance save the service life that oil consumption improves parts.
Description
Technical field
The utility model is related to a kind of Novel wheel-side deceleration front steering drive axle.
Background technology
4 wheel driven refers to that vehicle is always maintained at the form of four-wheel drive in whole driving process, engine output torque with
Fixed pro rate is to front and back wheel, and this drive pattern can possess preferable cross-country and handling at any time, but can not root
The adjustment of moment of torsion distribution is made according to surface conditions, and oil consumption is higher.When than shallower road surface, two drives are typically switched to just
Normal drive demand can be met.
Wheel side front steering drive axle such as Fig. 1 in prototype structure, including vehicle bridge, the two ends of vehicle bridge respectively pass through a knuckle
Shown in one wheel side assembly Fig. 2 of connection, in wheel side assembly, sun gear（a）By axle jump ring（c）It is fixed on short constant speed axle（b）
On, when in vehicle traveling without using preceding driving, wheel can drive planetary mechanism, and then drive reduction part in constant speed axle and vehicle bridge
Part is rotated, and so just brings certain resistance to vehicle traveling, while making the parts inside vehicle bridge be produced in passive transmission
Certain mechanical premature wear so that increase the service life of unnecessary oil consumption and reduction parts when switching to two drives.
Utility model content
The technical problems to be solved in the utility model is：A kind of Novel wheel-side deceleration front steering drive axle is provided, makes it not
Increase the service life of parts as oil consumption can be reduced while vehicle travel resistance is reduced during drive axle.
In order to solve the above problems, the utility model includes vehicle bridge, and the two ends of vehicle bridge respectively connect one by a knuckle
Individual wheel side assembly, described wheel side assembly includes spindle nose, wheel hub, the constant speed axle being rotatably arranged in spindle nose, in wheel hub
Planetary mechanism and closing wheel hub wheel side end lid, spindle nose is connected with hub rotation, and planetary mechanism includes gear ring, sun gear and row
Star-wheel, gear ring is fixedly connected with spindle nose, and planetary gear is connected with wheel hub, and sun gear is arranged on constant speed axle close to one end of wheel side end lid
On, planetary gear connection gear ring and sun gear, described wheel side assembly also include fixed engagement set and adjusting nut, the described sun
Wheel is actively set on constant speed axle, and described fixed engagement set is fixedly sleeved on constant speed axle, and fixed engagement set is positioned at sun gear
Side away from wheel side end lid, fixed engagement, which covers, is provided with the engaging tooth being engaged on the end face relative with sun gear, fixation is nibbled
Return spring is provided between trap and sun gear, described return spring is enclosed on constant speed axle, described adjusting nut and wheel
Side end lid is threadedly coupled, and holddown spring is provided between adjusting nut and sun gear, when inwardly screwing adjusting nut, adjusts spiral shell
Mother promotes the engaging tooth between sun gear and fixed engagement set to be meshed, and return spring and holddown spring are in the shape compressed
State.
In order to avoid producing friction, sun gear described in the utility model between sun gear and adjusting nut and holddown spring
Plain thrust bearing is provided between adjusting nut, described plain thrust bearing is clipped between holddown spring and sun gear,
During adjusting nut is screwed in and is screwed out, adjusting nut exists with plain thrust bearing to be contacted and discontiguous state.
For the ease of setting return spring and holddown spring, the side thrust of plain thrust bearing described in the utility model
Pad is embedded into sun gear close to one end of adjusting nut, and the opposite side thrust washer of plain thrust bearing protrudes from sun gear；
Described sun gear is provided with spring shoulder hole close to one end that fixed engagement covers, and constant speed axle is multi-diameter shaft, the taper end of multi-diameter shaft
It extend into sun gear, described return spring is arranged in spring shoulder hole, one end of return spring withstands on the rank of constant speed axle
In terraced axial end, the other end of return spring is withstood on the end face of spring shoulder hole；Described adjusting nut is close to sun gear
One end is provided with blind hole, and described holddown spring is arranged in blind hole, and one end of holddown spring withstands on plain thrust bearing protrusion
In on the side thrust washer end face of sun gear, the other end of holddown spring is withstood on the bottom surface of blind hole.
Excessively serious in order to avoid being rubbed between sun gear and constant speed axle, sun gear described in the utility model passes through copper sheathing
Rotation is socketed on constant speed axle.
Set respectively for the ease of being able to observe that on adjusting nut tightened position, adjusting nut described in the utility model
There is compression stopper slot and disengage stopper slot, compress stopper slot and be located at the outside for disengaging stopper slot.
In order to avoid oil leak at adjusting nut, it is provided between adjusting nut and wheel side end lid described in the utility model close
Seal.
In order to avoid producing relative slip, fixed engagement set described in the utility model between fixed engagement set and constant speed axle
It is connected with constant speed axle by spline.
Determine in order to avoid fixed engagement is enclosed on constant speed axle on vibration backward, constant speed axle described in the utility model to be provided with
Position step, described fixed engagement set is enclosed on constant speed axle, and one end of the remote sun gear of fixed engagement set withstands on positioning step
On.
The beneficial effects of the utility model are：The utility model on constant speed axle by setting fixed engagement set, and the sun
Wheel is movably arranged on constant speed axle, is provided with engaging tooth between sun gear and fixed engagement set, is passed through adjusting nut and return bullet
Spring is separated or engaged with fixed engagement set by sun gear, when needing 4 wheel driven to be, inwardly screws adjusting nut, and sun gear is nibbled with fixation
Trap is engaged, and power is delivered on wheel hub by vehicle bridge, when not needing the front steering drive axle as driving, outwards rotation regulation
Nut, sun gear is separated with fixed engagement set, and the reducing gear in vehicle bridge will not be driven to rotate during hub rotation.The utility model
Relative to the hub reduction front steering drive axle of existing mechanism, when forerunner's bridge inner components passively work when can reduce by two drives
Caused mechanical wear and produced running resistance, save the service life that traveling oil consumption improves parts.
Brief description of the drawings
Fig. 1 is the structural representation of the front steering drive axle of existing structure；
Fig. 2 is the mplifying structure schematic diagram of the wheel side assembly of existing structure；
Fig. 3 is structural representation of the present utility model；
Fig. 4 is the mplifying structure schematic diagram of wheel side of the present utility model assembly.
Wherein：A, sun gear, b, constant speed axle, c, jump ring, 1, vehicle bridge, 2, constant speed axle, 3, spindle nose, 4, wheel hub, 5, gear ring branch
Frame, 6, gear ring, 7, wheel side shell, 8, planetary gear, 9, planet axis, 10, wheel side end lid, 11, sun gear, 12, adjusting nut, 13, pressure
Tight spring, 14, disengage stopper slot, 15, plain thrust bearing, 16, return spring, 17, fixed engagement set, 18, planet carrier, 19,
Compress stopper slot.
Embodiment
In front steering drive axle in the prior art, including vehicle bridge 1, the two ends of vehicle bridge 1 are respectively connected by a knuckle
A wheel side assembly is connect, in wheel side assembly, spindle nose 3 is fixedly connected with the shell of vehicle bridge 1, in the one end of constant speed axle 2 connection vehicle bridge 1
Drive disk assembly, the other end of constant speed axle 2 is connected with planetary mechanism, in planetary mechanism, and gear ring 6 passes through gear ring support 5 and spindle nose 3
Fixed, planetary gear 8 is connected by planet axis 9 with planet carrier 18, and planet carrier 18 is fixedly connected with wheel side shell 7, wheel side shell 7 both sides point
Not Lian Jie wheel hub 4 and wheel side end lid 10, the driving planetary gear 8 of sun gear 11 is rotated in gear ring 6, and then drive hub 4 is rotated, defeated
Go out power.
The present embodiment makes following improvement on the basis of existing technology, before Novel wheel-side deceleration as shown in Figure 3 and Figure 4
Steering and driving axle, the two ends of vehicle bridge 1 respectively connect a wheel side assembly by a knuckle, and wheel side assembly includes spindle nose 3, wheel hub
4th, the constant speed axle 2 in spindle nose 3, the planetary mechanism in wheel hub, the wheel side end lid 10 for closing wheel hub, fixation are rotatably arranged on
Engaging sleeve 17 and adjusting nut 12, spindle nose 3 are rotated with wheel hub 4 and are connected, and planetary mechanism includes gear ring 6, sun gear 11 and planetary gear
8, gear ring 6 is fixedly connected with spindle nose 3, and sun gear 11 is arranged on constant speed axle 2 on one end of wheel side end lid 10, and planetary gear 8 connects
Gear ring 6 and sun gear 11 are connect, sun gear 11 is actively set on constant speed axle 2, sun gear 11 can both rotate on constant speed axle 2 or can
Moved with the axial direction along constant speed axle 2, fixed engagement set 17 is fixedly sleeved on constant speed axle 2 by spline, is set on constant speed axle 2
Positioning step is equipped with, one end of the remote sun gear 11 of fixed engagement set 17 is withstood on positioning step, and fixed engagement set 17 is located at
The side of the remote wheel side end lid 10 of sun gear 11, fixed engagement, which covers to be provided with 17 end faces relative with sun gear 11, to be engaged
Engaging tooth, fixed engagement set 17 and sun gear 11 between is provided with return spring 16, return spring 16 is enclosed on constant speed axle 2,
Sun gear 11 is provided with spring shoulder hole close to one end that fixed engagement covers 17, and constant speed axle 2 is multi-diameter shaft, and the taper end of multi-diameter shaft is stretched
Enter into sun gear 11, described return spring 16 is arranged in spring shoulder hole, one end of return spring 16 withstands on constant speed axle 2
Ladder axial end on, the other end of return spring 16 is withstood on the end face of spring shoulder hole, adjusting nut 12 with wheel side end lid
10 threaded connections, are provided with plain thrust bearing 15, described plain thrust bearing 15 between sun gear 11 and adjusting nut 12
It is clipped between holddown spring 13 and sun gear 11, the side thrust washer of described plain thrust bearing 15 is embedded into sun gear 11
Close to one end of adjusting nut 12, the opposite side thrust washer of plain thrust bearing 15 protrudes from sun gear 11, adjusting nut 12
Exist with plain thrust bearing 15 and contact and discontiguous two states.Compression is provided between adjusting nut 12 and sun gear 11
Spring 13, adjusting nut 12 is provided with blind hole close to one end of sun gear 11, and holddown spring 13 is arranged in blind hole, holddown spring
13 one end withstands on plain thrust bearing 15 and protruded from the side thrust washer end face of sun gear, the other end of holddown spring 13
Withstand on the bottom surface of blind hole, when inwardly screwing adjusting nut 12, adjusting nut 12 promotes the sun by plain thrust bearing 15
Engaging tooth between wheel 11 and fixed engagement set 17 is meshed, and return spring 16 and holddown spring 13 are in the shape compressed
State.
The holddown spring set between sun gear and adjusting nut can also realize fine setting, in fixed engagement set 17 and the sun
When occurring small dislocation between wheel 11, when constant speed axle 2 is rotated, the dislocation between fixed engagement set 17 and sun gear 11 is eliminated,
Because holddown spring 13 elasticity be more than return spring elasticity, so eliminate dislocation after holddown spring 13 promote sun gear 11 with
Fixed engagement set 17 is at a fully engaged.
In order that the service life of constant speed axle 2 and sun gear 11 is longer, it is to avoid friction is excessively serious, and sun gear 11 passes through copper
Set rotation is socketed on constant speed axle 2, and described copper sheathing is fixedly sleeved on constant speed axle 2, adjusting nut 12 and wheel side end lid 10 it
Between be provided with sealing ring, adjusting nut be provided with disengagement stopper slot 14 and compress stopper slot 19, carried out to adjusting nut 12
During rotation, operating personnel can be helped to be easy to see whether to be tightened onto correct position.
Operation principle：When automobile needs to carry out 4 wheel driven, adjusting nut 12 is inwardly screwed, adjusting nut 12 withstands on plane
On thrust bearing 15, sun gear 11 is promoted to be moved to the direction for covering 17 close to fixed engagement, when adjusting nut 12 rotates to compression
During stopper slot 19, fixed engagement set 17 is engaged with the engaging tooth between sun gear 11.The power that engine is passed over passes through car
Transferring element in bridge 1 is delivered on constant speed axle 2, and constant speed axle 2 drives sun gear 11 to rotate by fixed engagement set 17, sun gear
11 drive the autobiographies of planetary gear 8 and are revolved round the sun around sun gear 11, and the revolution of planetary gear 8 passes through 7 turns of the driven wheel side shell of planet carrier 18
It is dynamic, and then drive wheel hub 4 to rotate, driving car traveling.
When automobile only needs two drives to drive, it is not necessary to when the front steering drive axle is as driving, adjusting nut 12 is outside
When rotating to disengagement stopper slot 14, now strength holddown spring has completely disengaged from sun gear 11, in the elastic force of return spring 16
Under effect, return spring 16 promotes sun gear 11 to be moved to the direction close to adjusting nut 12, fixed engagement is covered 17 and the sun
Engaging tooth between wheel 11 is separated from, when the passive rotation of wheel hub 4, and planet carrier 18, planetary gear 8 and sun gear 11 are driven successively
Rotate, the transmission mechanism in vehicle bridge 1 will not be driven to rotate by constant speed axle 2, reduce automobile front drive bridge inner components passive
Caused mechanical wear and produced running resistance during work, save the service life that oil consumption improves parts.
Claims (8)
1. a kind of Novel wheel-side deceleration front steering drive axle, including vehicle bridge, the two ends of vehicle bridge respectively connect one by a knuckle
Individual wheel side assembly, described wheel side assembly includes spindle nose, wheel hub, the constant speed axle being rotatably arranged in spindle nose, in wheel hub
Planetary mechanism and closing wheel hub wheel side end lid, spindle nose is connected with hub rotation, and planetary mechanism includes gear ring, sun gear and row
Star-wheel, gear ring is fixedly connected with spindle nose, and planetary gear is connected with wheel hub, and sun gear is arranged on constant speed axle close to one end of wheel side end lid
On, planetary gear connection gear ring and sun gear, it is characterised in that：Described wheel side assembly also includes fixed engagement and covers and adjust spiral shell
Mother, described sun gear is actively set on constant speed axle, and described fixed engagement covers fixedly sleeved on constant speed axle, fixed engagement set
Positioned at the side of the remote wheel side end lid of sun gear, fixed engagement, which covers, is provided with nibbling of being engaged on the end face relative with sun gear
Tooth is closed, return spring is provided between fixed engagement set and sun gear, described return spring is enclosed on constant speed axle, described tune
Section nut is threadedly coupled with taking turns side end lid, and holddown spring is provided between adjusting nut and sun gear, when inwardly screwing regulation spiral shell
When female, adjusting nut promotes the engaging tooth between sun gear and fixed engagement set to be meshed, and return spring and holddown spring are located
In the state compressed.
2. Novel wheel-side deceleration front steering drive axle according to claim 1, it is characterised in that：Described sun gear and tune
Plain thrust bearing is provided between section nut, described plain thrust bearing is clipped between holddown spring and sun gear, adjusted
During saving nut screw-in and screwing out, adjusting nut exists with plain thrust bearing to be contacted and discontiguous two states.
3. Novel wheel-side deceleration front steering drive axle according to claim 2, it is characterised in that：Described plane thrust axis
The side thrust washer held is embedded into sun gear close to one end of adjusting nut, and the opposite side thrust washer of plain thrust bearing is dashed forward
For sun gear；Described sun gear is provided with spring shoulder hole close to one end that fixed engagement covers, and constant speed axle is multi-diameter shaft, rank
The taper end of terraced axle is extend into sun gear, and described return spring is arranged in spring shoulder hole, and one end of return spring is withstood on
In the ladder axial end of constant speed axle, the other end of return spring is withstood on the end face of spring shoulder hole；Described adjusting nut is leaned on
One end of nearly sun gear is provided with blind hole, and described holddown spring is arranged in blind hole, and one end of holddown spring withstands on plane and pushed away
Power bearing is protruded from the side thrust washer end face of sun gear, and the other end of holddown spring is withstood on the bottom surface of blind hole.
4. Novel wheel-side deceleration front steering drive axle according to claim 3, it is characterised in that：Described sun gear passes through
Copper sheathing is rotated and is socketed on constant speed axle, and described copper sheathing is fixedly sleeved on constant speed axle.
5. the Novel wheel-side deceleration front steering drive axle according to claim 1-4 any one, it is characterised in that：Described
Being set on adjusting nut respectively has compression stopper slot and disengages stopper slot, compresses stopper slot and is located at the outside for disengaging stopper slot.
6. Novel wheel-side deceleration front steering drive axle according to claim 5, it is characterised in that：Described adjusting nut with
Sealing ring is provided between wheel side end lid.
7. Novel wheel-side deceleration front steering drive axle according to claim 6, it is characterised in that：Described fixed engagement set
It is connected with constant speed axle by spline.
8. Novel wheel-side deceleration front steering drive axle according to claim 7, it is characterised in that：Set on described constant speed axle
Positioning step is equipped with, described fixed engagement set is enclosed on constant speed axle, one end of the remote sun gear of fixed engagement set, which is withstood on, determines
On the step of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720135627.7U CN206520436U (en) | 2017-02-15 | 2017-02-15 | A kind of Novel wheel-side deceleration front steering drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720135627.7U CN206520436U (en) | 2017-02-15 | 2017-02-15 | A kind of Novel wheel-side deceleration front steering drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206520436U true CN206520436U (en) | 2017-09-26 |
Family
ID=59891606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720135627.7U Withdrawn - After Issue CN206520436U (en) | 2017-02-15 | 2017-02-15 | A kind of Novel wheel-side deceleration front steering drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206520436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671701A (en) * | 2017-02-15 | 2017-05-17 | 山东福安达重汽零部件制造有限公司 | Novel hub reduction front steering drive axle |
| CN110466349A (en) * | 2019-08-08 | 2019-11-19 | 山东五征集团有限公司 | Time sharing commercial vehicle transfer case with differential limitation |
-
2017
- 2017-02-15 CN CN201720135627.7U patent/CN206520436U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671701A (en) * | 2017-02-15 | 2017-05-17 | 山东福安达重汽零部件制造有限公司 | Novel hub reduction front steering drive axle |
| CN110466349A (en) * | 2019-08-08 | 2019-11-19 | 山东五征集团有限公司 | Time sharing commercial vehicle transfer case with differential limitation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170926 Effective date of abandoning: 20230704 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170926 Effective date of abandoning: 20230704 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |