CN107839477A - The anti-skidding drive axle of sleeve type - Google Patents
The anti-skidding drive axle of sleeve type Download PDFInfo
- Publication number
- CN107839477A CN107839477A CN201711161295.0A CN201711161295A CN107839477A CN 107839477 A CN107839477 A CN 107839477A CN 201711161295 A CN201711161295 A CN 201711161295A CN 107839477 A CN107839477 A CN 107839477A
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- Prior art keywords
- axle
- gear
- sliding sleeve
- taper
- housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Retarders (AREA)
Abstract
The present invention proposes the anti-skidding drive axle of sleeve type, including housing, input gear axle, driven gear, main differential mechanism, left half axle, right axle shaft, left sliding sleeve, right sliding sleeve, left half axle, right axle shaft coaxial line rolling support is in driving axle housing body, the gear part of input gear axle is located in Driving axle housing, and the gear part of input gear axle often engages driven gear, and driven gear is fixedly connected with the differential casing of main differential mechanism；Technological core is：It is ingenious on the basis of improved to the housing of main differential mechanism to set sleeve type to lock from structure in main differential mechanism（The structure set between left half axle gear, left sliding sleeve, the left shell half of differential casing, right sliding sleeve, left half axle gear）, left and right half gear and the dynamic realtime locking of differential casing or disengagement are realized using speed difference, left and right driving power rationally can be independently distributed, avoid left and right wheel-slip, does not influence the left and right differential of automobile；The present invention possesses advantage simple in construction, easy to manufacture, that cost is small.
Description
Technical field
The present invention relates to the anti-skidding drive axle of the drive axle of automobile, especially sleeve type.
Background technology
Current automobile drive axle, be mainly made up of main reducing gear, differential mechanism and axle housing etc., differential mechanism substantially all using pair
Title formula cone planetary gear differential mechanism.Symmetrical expression bevel differential is mainly by differential carrier, cross, planetary gear, right half
Shaft gear, left half axle gear composition；Automobile drive axle is fixed on differential casing by the driven gear of main reducing gear, is realized
Power inputs, then distributes rotating speed and torsion by differential mechanism, and this torsion pass mode is in the very poor road in road surface and ice and snow, muddy situation
Easily lose driving force down.
Wheel-slip phenomenon occurs in vehicle traveling process, influences travel safety and stability.Control vehicle at present
The mode of skidding has two kinds of Electronic Control and mechanical locking, and both modes all there are the drawbacks of certain：Electronic Control wheel
Skidding ability can only achieve 30% or so of the difference of left and right two-wheeled attachment, so being only used for dilly；Mechanical locking is to adopt
With differential mechanical lock, the oversize vehicles such as bogie are generally used for；In locking differential, it is driven through ability and is mechanical lock
100%, it is important that locking differential can not be oriented to, steering wheel operation failure, automobile can only take the air line, and this is to track route
There are certain qualifications, mobility is very poor.Publication No. CN101905650A patent of invention discloses antiskid driver, is applicable
In the automobile of big torsion, its is complicated, volume is big, is not easy to apply to miniature cross-country car.
The content of the invention
The present invention proposes the anti-skidding drive axle of sleeve type, energy reasonable distribution left and right driving power, does not influence the left and right differential of automobile,
Small volume, it is simple in construction, it is adapted to apply to miniature cross-country car.
Therefore, the technical scheme is that：The anti-skidding drive axle of sleeve type, it is characterised in that：Including housing, input gear
Axle, driven gear, main differential mechanism, left half axle, right axle shaft, left sliding sleeve, right sliding sleeve, housing is by Driving axle housing, input end housing
Connect and compose, left half axle, right axle shaft coaxial line rolling support is in driving axle housing body, input gear axle edge and left half axle and right half
The direction rolling support that the axis of axle is vertical is being inputted in end housing, and the gear part of input gear axle is located in Driving axle housing,
The gear part of input gear axle often engages driven gear, and driven gear is fixedly connected with the differential casing of main differential mechanism；
Main differential mechanism includes differential casing, bearing pin, planetary gear, and left half axle gear, right axle shaft gear, differential casing is by a left side
Half-shell, right half-shell composition, right half-shell is conventional arc transition shape, and left shell half shape is a Circular Plate, and Circular Plate is provided with center
Hole, is along the circumferential direction laid with the vestibule of multiple insertions in the side wall of left shell half, radially mounted solid in the vestibule of left shell half
Rationed marketing axle, planetary gear are sleeved on bearing pin, and planetary gear is located in the vestibule of left shell half, planetary gear and left half axle gear,
Right axle shaft gear often engages, and the interior outer end of hole of left half axle gear and right axle shaft gear is provided with internal spline, left half axle it is cylindrical with it is left
The internal spline drive connection of axle shaft gear, the cylindrical and internal spline of the right axle shaft gear drive connection of right axle shaft；
Left half axle gear, the endoporus of left half axle gear are provided with taper long keyway, and the centre bore both sides of left shell half are arranged with taper
Short keyway, in the taper long keyway of left half axle gear, right sliding sleeve is mounted in the taper long keyway of right axle shaft gear left sliding sleeve,
Left sliding sleeve and the outside one end of right sliding sleeve are provided with long key function part, and long key function part is connected with taper long keyway, left sliding sleeve
And the inner of right sliding sleeve is provided with short key function part, the short keyway of taper of short key function part and left shell half coordinates, taper long keyway
Length is 2-3 times of the short keyway length of taper, and using the characteristic of speed difference, left sliding sleeve or right sliding sleeve slip into the process of running
Or depart from the state of the short keyway of taper of left shell half；When left half axle gear rotating speed is raised to abnormal, due to the effect of speed difference,
Left sliding sleeve is moved into left shell half centre bore, realize locking, it is restored normal work；Similarly, when right axle shaft gear rotational speed
When being raised to abnormal, right sliding sleeve also has above-mentioned state；When normal differential, due to the effect of traction, left sliding sleeve, right cunning
Set returns in situ, and left sliding sleeve, right sliding sleeve are located at left half axle gear, in the taper long keyway of right axle shaft gear.
Beneficial effect：The present invention by the housing to main differential mechanism it is improved on the basis of it is ingenious in main differential mechanism set slide
Shell type is locked from structure, and left and right half gear and the dynamic realtime locking of differential casing or disengagement are realized using speed difference, can be closed
The autonomous distribution left and right driving power of reason, avoids left and right wheel-slip, does not influence the left and right differential of automobile；The present invention is also equipped with structure
Simply, advantage easy to manufacture, cost is small.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structure chart of right axle shaft gear in the present invention.
Fig. 3 is the structure chart of right sliding sleeve in the present invention.
Fig. 4 is the structure diagram of the present invention.
Embodiment
As Figure 1-4, it is as follows to further describe the present invention：The anti-skidding drive axle of sleeve type, including housing, input gear axle
3rd, driven gear 4, main differential mechanism 5, left half axle 8, right axle shaft 9, left sliding sleeve 6, right sliding sleeve 7, housing is by Driving axle housing 2, input
End housing 1 connects and composes, left half axle 8, the coaxial line rolling support of right axle shaft 9 in Driving axle housing 2, input gear axle 3 along with
The vertical direction rolling support of the axis of left half axle 8 and right axle shaft 9 is in input end housing 1, the gear position of input gear axle 3
In Driving axle housing 2, the gear part of input gear axle 3 often engages driven gear 4, the differential of driven gear 4 and main differential mechanism 5
Device housing is fixedly connected；
Main differential mechanism 5 includes differential casing, bearing pin 5-4, planetary gear 5-3, left half axle gear 5-5, right axle shaft gear 5-6,
Differential casing is made up of left shell half 5-1, right half-shell 5-2, and right half-shell 5-2 is conventional arc transition shape, left shell half 5-1 shapes
It is a Circular Plate, Circular Plate is provided with centre bore, and the hole of multiple insertions is along the circumferential direction laid with left shell half 5-1 side wall
Chamber, radially mounted fixed pin shaft 5-4 in left shell half 5-1 vestibule, planetary gear 5-3 are sleeved on bearing pin, planetary gear 5-3
In left shell half 5-1 vestibule, planetary gear 5-3 and left half axle gear 5-5, right axle shaft gear 5-6 are often engaged, left half axle tooth
Wheel 5-5 and right axle shaft gear 5-6 interior outer end of hole is provided with internal spline, the cylindrical and left half axle gear 5-5 internal spline of left half axle 8
Drive connection, the cylindrical and right axle shaft gear 5-6 internal spline drive connection of right axle shaft 9；
Left half axle gear 5-5, left half axle gear 5-6 endoporus are provided with taper long keyway, and left shell half 5-1 centre bore both sides are symmetrical
Provided with the short keyway of taper, for left sliding sleeve 6 in left half axle gear 5-5 taper long keyway, right sliding sleeve 7 is mounted in right axle shaft gear 5-
In 6 taper long keyway, the outside one end of left sliding sleeve 6 is provided with long key function part, and the outside one end of right sliding sleeve 7 is provided with long key function
Portion 7-1, the long key function part of left sliding sleeve 6 and the long key function part symmetrical configuration of right sliding sleeve 7, long key function part and taper long keyway
It is connected, the inner of left sliding sleeve 6 is provided with short key function part, and the inner of right sliding sleeve 7 is provided with short key function part 7-2, left sliding sleeve 6
The short key function part symmetrical configuration of short key function part and right sliding sleeve 7, the short keyway of taper of short key function part and left shell half 5-1 are matched somebody with somebody
To close, the length of taper long keyway is 2-3 times of the short keyway length of taper, using the characteristic of speed difference, left cunning in the process of running
6 or right sliding sleeves 7 of set have the state for the short keyway of taper for slipping into or departing from left shell half 5-1；When left half axle gear 5-5 rotating speeds are raised to not
When normal, due to the effect of speed difference, left sliding sleeve 6 is moved into left shell half 5-1 centre bores, realize locking, it is restored just
Often work；Similarly, when right axle shaft gear rotational speed 5-6 is raised to abnormal, right sliding sleeve 7 also has above-mentioned state；When normal differential,
Due to the effect of traction, left sliding sleeve 6, right sliding sleeve 7 return to original position, and left sliding sleeve 6, right sliding sleeve 7 are located at left half axle gear 5-
5, in right axle shaft gear 5-6 taper long keyway.
The technological core of the present invention is：By the housing to main differential mechanism it is improved on the basis of it is ingenious in main differential mechanism
Sleeve type is set to lock from structure（Left half axle gear 5-5, left sliding sleeve 6, the left shell half 5-1 of differential casing, right sliding sleeve 7, left half axle
The structure set between gear 5-6）, the dynamic realtime locking of left and right half gear and differential casing is realized using speed difference
Or disengage, left and right driving power rationally can be independently distributed, avoids left and right wheel-slip, does not influence the left and right differential of automobile.
Claims (1)
1. the anti-skidding drive axle of sleeve type, it is characterised in that：Including housing, input gear axle, driven gear, main differential mechanism, left half
Axle, right axle shaft, left sliding sleeve, right sliding sleeve, housing are connected and composed by Driving axle housing, input end housing, left half axle, and right axle shaft is coaxial
Line rolling support is in driving axle housing body, the input gear axle edge direction rolling support vertical with the axis of left half axle and right axle shaft
In input end housing, the gear part of input gear axle is located in Driving axle housing, and the gear part of input gear axle often engages quilt
Moving gear, driven gear are fixedly connected with the differential casing of main differential mechanism；
Main differential mechanism includes differential casing, bearing pin, planetary gear, and left half axle gear, right axle shaft gear, differential casing is by a left side
Half-shell, right half-shell composition, right half-shell is conventional arc transition shape, and left shell half shape is a Circular Plate, and Circular Plate is provided with center
Hole, is along the circumferential direction laid with the vestibule of multiple insertions in the side wall of left shell half, radially mounted solid in the vestibule of left shell half
Rationed marketing axle, planetary gear are sleeved on bearing pin, and planetary gear is located in the vestibule of left shell half, planetary gear and left half axle gear,
Right axle shaft gear often engages, and the interior outer end of hole of left half axle gear and right axle shaft gear is provided with internal spline, left half axle it is cylindrical with it is left
The internal spline drive connection of axle shaft gear, the cylindrical and internal spline of the right axle shaft gear drive connection of right axle shaft；
Left half axle gear, the endoporus of left half axle gear are provided with taper long keyway, and the centre bore both sides of left shell half are arranged with taper
Short keyway, in the taper long keyway of left half axle gear, right sliding sleeve is mounted in the taper long keyway of right axle shaft gear left sliding sleeve,
Left sliding sleeve and the outside one end of right sliding sleeve are provided with long key function part, and long key function part is connected with taper long keyway, left sliding sleeve
And the inner of right sliding sleeve is provided with short key function part, the short keyway of taper of short key function part and left shell half coordinates, taper long keyway
Length is 2-3 times of the short keyway length of taper, and using the characteristic of speed difference, left sliding sleeve or right sliding sleeve slip into the process of running
Or depart from the state of the short keyway of taper of left shell half；When left half axle gear rotating speed is raised to abnormal, due to the effect of speed difference,
Left sliding sleeve is moved into left shell half centre bore, realize locking, it is restored normal work；Similarly, when right axle shaft gear rotational speed
When being raised to abnormal, right sliding sleeve also has above-mentioned state；When normal differential, due to the effect of traction, left sliding sleeve, right cunning
Set returns in situ, and left sliding sleeve, right sliding sleeve are located at left half axle gear, in the taper long keyway of right axle shaft gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711161295.0A CN107839477B (en) | 2017-11-21 | 2017-11-21 | Sliding sleeve type anti-slip driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711161295.0A CN107839477B (en) | 2017-11-21 | 2017-11-21 | Sliding sleeve type anti-slip driving axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107839477A true CN107839477A (en) | 2018-03-27 |
| CN107839477B CN107839477B (en) | 2023-09-26 |
Family
ID=61679232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711161295.0A Active CN107839477B (en) | 2017-11-21 | 2017-11-21 | Sliding sleeve type anti-slip driving axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107839477B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6354978B1 (en) * | 1999-10-26 | 2002-03-12 | Simplicity Manufacturing, Inc. | Differential and method for variable traction control |
| CN101666375A (en) * | 2009-09-29 | 2010-03-10 | 中国人民解放军军事交通学院 | Negative pressure angle conical working tooth surface differential lock |
| CN105351477A (en) * | 2015-11-28 | 2016-02-24 | 李星辉 | Differential lock type differential mechanism |
| CN106438918A (en) * | 2016-08-31 | 2017-02-22 | 重庆宝进机械制造有限公司 | Damping differential mechanism |
| CN207416548U (en) * | 2017-11-21 | 2018-05-29 | 十堰戎马汽车特种传动有限公司 | The anti-skidding drive axle of sleeve type |
-
2017
- 2017-11-21 CN CN201711161295.0A patent/CN107839477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6354978B1 (en) * | 1999-10-26 | 2002-03-12 | Simplicity Manufacturing, Inc. | Differential and method for variable traction control |
| CN101666375A (en) * | 2009-09-29 | 2010-03-10 | 中国人民解放军军事交通学院 | Negative pressure angle conical working tooth surface differential lock |
| CN105351477A (en) * | 2015-11-28 | 2016-02-24 | 李星辉 | Differential lock type differential mechanism |
| CN106438918A (en) * | 2016-08-31 | 2017-02-22 | 重庆宝进机械制造有限公司 | Damping differential mechanism |
| CN207416548U (en) * | 2017-11-21 | 2018-05-29 | 十堰戎马汽车特种传动有限公司 | The anti-skidding drive axle of sleeve type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107839477B (en) | 2023-09-26 |
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