CN107061536B - A kind of transmission assembly using automatically controlled shift - Google Patents
A kind of transmission assembly using automatically controlled shift Download PDFInfo
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- CN107061536B CN107061536B CN201710272559.3A CN201710272559A CN107061536B CN 107061536 B CN107061536 B CN 107061536B CN 201710272559 A CN201710272559 A CN 201710272559A CN 107061536 B CN107061536 B CN 107061536B
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- gear
- synchronizer
- coating
- transmission assembly
- automatically controlled
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
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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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- 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
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention provides a kind of transmission assembly using automatically controlled shift, the transmission assembly includes: multiple driving gears of multiple predetermined gears；Multiple synchronizer gear sleeves corresponding with the multiple driving gear respectively, the side that the synchronizer gear sleeve faces the corresponding driving gear is working side；Wherein, the synchronizer gear sleeve has synchronizer sliding sleeve, and the inner surface of the synchronizer sliding sleeve is equipped with internal spline, and the internal spline includes multiple inner spline gears, and the flank of tooth of the inner spline gear towards the working side is provided with the coating of predetermined thickness.The crucial stress surface of synchronizer gear sleeve of the invention obtains the protection of coating, with solve the problems, such as in automatically controlled gear shift transmission due to motor be not easy it is precisely controlled so as to cause the biggish bump stress of part and impact noise.The crucial stress surface surface hardness for having cated synchronizer gear sleeve can be promoted, and surface roughness can reduce, and have good cushion performance and excellent self-lubrication.
Description
Technical field
The present invention relates to gear shift transmission fields, more particularly to a kind of transmission assembly using automatically controlled shift.
Background technique
With the development of automobile industry, automatic transmission market is produced than increasing.The automatic transmission of the prior art is general
All over using automatically controlled shift mode.Automatically controlled shift mode is using motor driven gearshift, to drive shift fork to stir synchronizer tooth
Set realizes gear shift operation so that the driving gear of synchronizer gear sleeve and corresponding gear cooperates.
But since motor is difficult to carry out quickly control accordingly to gear shifting force, when motor driven gearshift, by same
Synchronizer gear sleeve after step ring remains to the conjunction gear locking surface that corresponding shifting gear is hit with biggish gear shifting force.Synchronizer gear sleeve
Biggish impact noise and bump stress can be generated with the shock of conjunction gear locking surface.And biggish bump stress can accelerate conjunction gear
The inordinate wear of locking surface, biggish impact noise can draw high the NVH value in vehicle shift process, to produce to driver comfort
Raw larger impact.
Also, the shock of synchronizer gear sleeve and conjunction gear locking surface be easy to cause half tooth of conjunction gear forced rotating, at this point, together
The inner spline gear of step device tooth set enters the external splines slot of conjunction gear.Synchronizer gear sleeve, which continues to be driven by motor, to be fast moved forward,
Until synchronizer gear sleeve confined planes stop with gear position limiting face due to rigid collision, or until synchronizer gear sleeve confined planes and
Conjunction gear confined planes stop due to rigid impact.Therefore, biggish hit can be generated in synchronizer gear sleeve and gear rattle moment
Hit contact stress and impact noise.Biggish bump stress will affect the intensity of synchronizer gear sleeve, so that synchronizer gear sleeve generates
Crackle, and biggish impact noise can equally draw high the NVH value in vehicle shift process, generate larger shadow to driver comfort
It rings.
Due to existing motor control plan, it is difficult that the gear shifting force during shift is accomplished accurately to control.Work as gear shifting force
After the biggish gear shifting force for reaching synchronous needs, motor control is difficult that gear shifting force lowers in a short time.Therefore, as long as
Substantially all there is the above problem in electronic controlled transmission.
Summary of the invention
It is an object of the present invention to provide a kind of transmission assembly using automatically controlled shift, so that synchronizer gear sleeve
Crucial stress surface obtain the protection of coating, with solve in automatically controlled gear shift transmission due to motor be not easy it is precisely controlled so as to cause
The problem of biggish bump stress of part and impact noise.Has the crucial stress surface surface hardness meeting of cated synchronizer gear sleeve
It is promoted, surface roughness can reduce, and have good resiliency when hitting with driving gear and with the conjunction gear of gear
It can be with excellent self-lubrication.
A further object of the present invention is to coatings to be made to have excellent heat stability, and fusing point is high, will not be with change
Temperature change inside fast device and generate change in size.And the thinner thickness of coating itself will not machined coating in part
Cause the variation of part state of the art afterwards.
Particularly, the present invention provides a kind of transmission assembly using automatically controlled shift, the transmission assembly includes: more
Multiple driving gears of a predetermined gear；Multiple synchronizer gear sleeves corresponding with the multiple driving gear respectively, the synchronization
Device tooth set is working side in face of the side of the corresponding driving gear；Wherein, the synchronizer gear sleeve has synchronizer sliding sleeve,
The inner surface of the synchronizer sliding sleeve is equipped with internal spline, and the internal spline includes multiple inner spline gears, the inner spline gear direction
The flank of tooth of the working side is provided with the coating of predetermined thickness.
Further, the driving gear is provided with conjunction gear in face of the side of the synchronizer gear sleeve, so that described
Conjunction gear is engaged with the inner spline gear, wherein the flank of tooth of the conjunction gear towards the inner spline gear is provided with predetermined thickness
Coating.
Further, the working side of the synchronizer gear sleeve has the confined planes contacted with the driving gear, institute
State the coating that confined planes are provided with predetermined thickness.
Further, the end face of the driving gear and the limit face contact is driving gear confined planes, the active
Gear position limiting face is provided with the coating of predetermined thickness.
Further, the confined planes are set to the circumferential surface of the synchronizer gear sleeve, so that the diameter of the confined planes
No more than the maximum gauge of the driving gear.
Further, the diameter of the confined planes is greater than the maximum gauge of the conjunction gear.
Further, two driving gears are respectively arranged at the two sides of the same synchronizer gear sleeve.
Further, the coating is high molecular nanometer coating.
Further, the high molecular nanometer is polyetheretherketonematerials materials.
Further, the predetermined thickness is 0.01mm~0.015mm.
A kind of transmission assembly using automatically controlled shift of the invention increases painting in the crucial stress surface of synchronizer gear sleeve
Layer, the crucial stress surface surface hardness due to having cated synchronizer gear sleeve can be promoted, and surface roughness can reduce, and with
Driving gear and when being hit with the conjunction gear of gear with good cushion performance and excellent self-lubrication, therefore this hair
It is bright to pass through NVH noise problem present in acceptable cost improvement vehicle shift process, and improvement synchronizer gear sleeve
The problem of with the service life of conjunction gear.
Further, the present invention increased coating on synchronizer gear sleeve and conjunction gear can reduce the abrasion of part, from
And it reduces iron and cuts amount of powder.This in automatic transmission lubricating oil, other high-precision rotary elements, sealing element service life prolong
Length plays advantageous contribution.
Further, coating of the invention has excellent heat stability, and fusing point is high, will not be with the temperature inside speed changer
Change and generates change in size.And the thinner thickness of coating itself will not cause part technology after part machined coating
The variation of state.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is a kind of synchronizer gear sleeve of transmission assembly using automatically controlled shift according to an embodiment of the invention
Schematic diagram；
Fig. 2 is the partial enlargement diagram of synchronizer gear sleeve shown in Fig. 1；
Fig. 3 is a kind of showing for the driving gear of transmission assembly using automatically controlled shift according to an embodiment of the invention
It is intended to；
Fig. 4 is the partial enlargement diagram of driving gear shown in Fig. 3；
Fig. 5 be a kind of transmission assembly using automatically controlled shift according to an embodiment of the invention synchronizer gear sleeve with
The schematic diagram in driving gear working condition section, state when being shown positioned at neutral gear.
The meaning that each symbol indicates in figure is as follows:
1, synchronizer gear sleeve, 11, synchronizer sliding sleeve, 12, internal spline, 13, the internal spline flank of tooth, the 14, first confined planes, 15,
Second confined planes,
2, driving gear, 21, conjunction gear, 22, in conjunction with the flank of tooth,
3, a shelves gear, 31, one grades of conjunction gears, 32, one shelves gear confined planes, 4, third gear, 41, third gear conjunction gear,
42, third gear confined planes, 5, synchromesh gear hub, 6, synchronizer ring assembly.
Specific embodiment
Figures 1 and 2 show that the synchronizer gear sleeve of the transmission assembly using automatically controlled shift of one embodiment of the invention
Schematic diagram.And Fig. 3 and Fig. 4 show the driving gear of the transmission assembly using automatically controlled shift of one embodiment of the invention
Schematic diagram.Wherein, synchronizer gear sleeve 1 can cooperate with driving gear 2, hereafter carry out in detail to the specific fit system of the two
Thin description.The present invention provides a kind of transmission assembly using automatically controlled shift, the transmission assembly includes multiple predetermined shelves
Position multiple driving gears 2 and respectively correspond the multiple predetermined gear multiple driving gears 2 multiple synchronizer gear sleeves
1.For example, driving gear 2 has a shelves gear, second gear, three gear gears etc., the driving gear 2 of different stalls has different
Revolving speed.During shift speed change, synchronizer gear sleeve 1 can be moved to predetermined gear according to shift demand under the action of shift fork
Driving gear 2 at, after the two revolving speed is consistent, the conjunction gear 21 of synchronizer gear sleeve 1 and driving gear 2 cooperates.It shifts gears as a result,
Success.
The synchronizer gear sleeve 1 is working side in face of the side of the driving gear 2 of corresponding gear.Generally, two institutes
State the two sides that driving gear 2 is respectively arranged at the same synchronizer gear sleeve 1.Therefore, the two sides of synchronizer gear sleeve 1 are all work
Side.
As shown in Figure 1, being described in detail by taking the working side of 1 side of synchronizer gear sleeve as an example.The synchronizer gear sleeve 1 has
There is synchronizer sliding sleeve 11.The synchronizer sliding sleeve 11 is cylindrical sleeve, the appearance of inner surface and second external diameter with the first internal diameter
Face forms the synchronizer sliding sleeve 11 between the inner surface and the outer surface.Wherein, the synchronizer sliding sleeve 11 is interior
Surface is equipped with internal spline 12.The internal spline 12 includes multiple inner spline gears.The inner spline gear is evenly distributed in described
The circumferential direction on surface.Wherein, the flank of tooth of the inner spline gear towards the working side, that is, the internal spline flank of tooth 13, are provided with pre-
Determine the coating of thickness.
Other than the internal spline flank of tooth 13 is provided with coating, the working side of the synchronizer gear sleeve 1 also has and institute
The first confined planes 14 of the contact of driving gear 2 are stated, first confined planes 14 are again provided with the coating of predetermined thickness.Wherein,
First confined planes 14 are set to the circumferential surface of the synchronizer gear sleeve 1, that is to say, that first confined planes 14 are set to institute
The circumferential surface of the side of synchronizer sliding sleeve 11 is stated, so that the diameter of first confined planes 14 is located at the conjunction gear 21
Between maximum gauge and the maximum gauge of the driving gear 2.After the synchronizer gear sleeve 1 cooperates with the conjunction gear 21,
Synchronizer gear sleeve 1 can be limited by the first confined planes 14 by the driving gear 2.First confined planes 14 are hit to institute
Driving gear 2 is stated, to offset the gear shifting force that cannot switch in time due to motor control.
As shown in figure 3, the driving gear 2 is provided with conjunction gear 21 in face of the side of the synchronizer gear sleeve 1, so that
The conjunction gear 21 is engaged with the inner spline gear of the internal spline 12.Wherein, the conjunction gear 21 is towards the inner spline gear
The coating of predetermined thickness is provided in conjunction with the flank of tooth 22.
In one embodiment, the coating is high molecular nanometer coating, and coating process uses high molecular nanometer coating
Technology.Using the coating process of high molecular nanometer coating, the present embodiment can carry out the crucial stress surface in speed changer part
Coating, wherein crucial stress surface includes the internal spline flank of tooth 13, in conjunction with the flank of tooth 22, the first confined planes 14 and synchronizer gear sleeve 1
Second confined planes 15 (referring to Fig. 5) of other side working side.Coating process includes the following steps.
Step 1: it before spraying, needs to do corresponding tooling, protects the surface other than crucial stress surface.
Step 2: crucial stress surface is subjected to shot blasting on surface or blasting treatment, increases its surface roughness, in order to it
Coating attachment afterwards.
Step 3: thermal spraying is carried out in treated crucial stress surface.In one embodiment, thermal spraying can use
High molecular material is heated to thawing or partly melting by plasma thermal sprayed technology using multi-electrode or single electrode plasma gun
Change state, and being ejected into certain speed by pretreated crucial stress surface, thus formed thickness 0.010mm~
Nano coating between 0.015mm.It wherein, can be using multiple above-mentioned thermal spraying, to increase the intensity of coating in process.
By the process of step 1 to step 3, the surface of crucial stress surface forms the coating of predetermined thickness.With painting
The surface hardness of the crucial stress surface of layer can be promoted, and surface roughness can reduce, and have good cushion performance when hitting
With excellent self-lubrication.Therefore, during the shock of synchronizer gear sleeve 1 and conjunction gear 21, nano coating is good slow
Punching performance can increase the time of shock, substantially reduce bump stress and impact noise in knockout process.And high molecular nanometer
The very high surface hardness of coating and lower surface roughness and excellent self-lubrication, can reduce synchronizer gear sleeve 1 and exist
Difficulty when sliding in conjunction gear 21 reduces abrasion.And the good cushion performance of high molecular nanometer coating, it can be in synchronizer tooth
When set 1 hits limit with driving gear 2, play the role of reducing bump stress, while rigid impact being avoided to reduce impact noise.
Therefore, when synchronizer gear sleeve 1 and driving gear 2 are cooperated, the present invention can be changed by acceptable cost
NVH noise problem present in kind vehicle shift process, and improve the service life of synchronizer gear sleeve 1 and conjunction gear 2 and ask
Topic.
Further, the present invention increased coating on synchronizer gear sleeve 1 and conjunction gear 2 can reduce the abrasion of part,
Amount of powder is cut to reduce iron.This service life to lubricating oil, other high-precision rotary elements, sealing element in automatic transmission
Advantageous contribution is played in extension.
Further, the high molecular nanometer is polyether-ether-ketone (PEEK) material.Polyetheretherketonematerials materials coating has heat steady
Qualitative excellent, fusing point is high, will not generate change in size with the temperature change inside speed changer.And polymeric coating layer itself
Thinner thickness, form thickness on crucial stress surface between 0.010mm~0.015mm, therefore will not be processed in part
Cause the variation of part state of the art after coating.
As shown in figure 5, showing the synchronizer gear sleeve 1 of transmission assembly and the signal in 2 working condition section of driving gear
Figure, state when being shown positioned at neutral gear.In the present embodiment, carried out by taking 1/3 synchronizer of 7DCT double-clutch speed changer as an example
It is described in detail.Synchronizer gear sleeve 1 designs for dissymmetrical structure.The two sides of synchronizer gear sleeve 1 are all working side, and are respectively facing not
Same driving gear 2, in the present embodiment, two sides are respectively facing a shelves gear 3, three gear gear 4.Synchronizer gear sleeve 1 has
Synchromesh gear hub 5, synchronizer ring assembly 6.When gear is located at neutral gear, internal spline 12 (referring to Fig. 1) inside synchronizer gear sleeve 1 with
Synchromesh gear hub 5 engages.
When needing to put in first gear, shift fork pushes synchronizer gear sleeve 1 mobile.The velocity of rotation of synchronizer ring assembly 6 connects at this time
The velocity of rotation of nearly driving gear 2, with the movement of synchronizer gear sleeve 1, the internal spline 12 (referring to Fig. 1) of synchronizer gear sleeve 1 with
One grade of conjunction gear 31 of one shelves gear 3 engages.Since the internal spline flank of tooth 13 (referring to Fig. 1) of internal spline 12 (referring to Fig. 1) is arranged
There is the coating of predetermined thickness, the combination flank of tooth 22 (referring to Fig. 3) of one grade of conjunction gear 31 is also equipped with the coating of predetermined thickness, because
This, in the engagement process of the two, the available effective buffering of stress between the two.When synchronizer gear sleeve 1 and a shelves gear 3
After engagement, synchronizer gear sleeve 1 also continues the effect by remaining gear shifting force, to continue mobile to the direction of a shelves gear 3.
At this point, the second confined planes 15 of 1 circumferential end faces of synchronizer gear sleeve setting hit a shelves gear 3, limits synchronization device tooth is reached with this
The mobile purpose of set 1 is provided with the coating of predetermined thickness at the second confined planes 15, the impulse force of shock is effectively relieved.At other
In embodiment, the coating of predetermined thickness, i.e., one grade also can be set relative to the circumferential position of the second confined planes 15 for a shelves gear 3
The coating of predetermined thickness is set at gear position limiting face 32, the shock impulse force of the two is effectively relieved.
Similarly, when needing to be linked into third gear, shift fork pushes synchronizer gear sleeve 1 mobile.The rotation speed of synchronizer ring assembly 6 at this time
The velocity of rotation close to driving gear 2 is spent, with the movement of synchronizer gear sleeve 1, the internal spline 12 of synchronizer gear sleeve 1 is (referring to figure
1) it is engaged with the third gear conjunction gear 41 of third gear 4.Due to the internal spline flank of tooth 13 of internal spline 12 (referring to Fig. 1) (referring to Fig. 1)
It is provided with the coating of predetermined thickness, the combination flank of tooth 22 (referring to Fig. 3) of third gear conjunction gear 41 is also equipped with the coating of predetermined thickness,
Therefore, in the engagement process of the two, the available effective buffering of stress between the two.When synchronizer gear sleeve 1 and third gear tooth
After 4 engagement of wheel, synchronizer gear sleeve 1 also continues the effect by remaining gear shifting force, to continue to move to the direction of third gear 4
It is dynamic.At this point, the first confined planes 14 of 1 circumferential end faces of synchronizer gear sleeve setting hit third gear 4, limits synchronization device is reached with this
The mobile purpose of tooth set 1.It is provided with the coating of predetermined thickness, at the first confined planes 14 the impulse force of shock is effectively relieved.?
In other embodiments, the coating of predetermined thickness also can be set relative to the circumferential position of the first confined planes 14 for third gear 4, i.e.,
The coating of predetermined thickness is set at third gear confined planes 42, the shock impulse force of the two is effectively relieved.
Further, the working condition between synchronizer gear sleeve 1 and driving gear 2 and coating setting are equally applicable to other
The gear shifting action of gear.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of transmission assembly using automatically controlled shift, the transmission assembly include:
Multiple driving gears of multiple predetermined gears；
Multiple synchronizer gear sleeves corresponding with the multiple driving gear respectively, the synchronizer gear sleeve face the corresponding master
The side of moving gear is working side；
Wherein, the synchronizer gear sleeve has synchronizer sliding sleeve, and the inner surface of the synchronizer sliding sleeve is equipped with internal spline, described interior
Spline includes multiple inner spline gears, and the flank of tooth of the inner spline gear towards the working side is provided with the coating of predetermined thickness, institute
State coating surface hardness be greater than the inner spline gear the flank of tooth surface hardness, the surface roughness of the coating is less than described
The surface roughness of the flank of tooth of inner spline gear.
2. the transmission assembly according to claim 1 using automatically controlled shift, the driving gear faces the synchronizer
The side of tooth set is provided with conjunction gear, so that the conjunction gear is engaged with the inner spline gear, wherein the conjunction gear direction
The flank of tooth of the inner spline gear is provided with the coating of predetermined thickness.
3. the transmission assembly according to claim 2 using automatically controlled shift, wherein the work of the synchronizer gear sleeve
Making side has the confined planes contacted with the driving gear, and the confined planes are provided with the coating of predetermined thickness.
4. the transmission assembly according to claim 3 using automatically controlled shift, wherein the driving gear and the limit
The end face of face contact is driving gear confined planes, and the driving gear confined planes are provided with the coating of predetermined thickness.
5. the transmission assembly according to claim 3 using automatically controlled shift, wherein the confined planes are set to described same
The circumferential surface of device tooth set is walked, so that the diameter of the confined planes is not more than the maximum gauge of the driving gear.
6. the transmission assembly according to claim 5 using automatically controlled shift, wherein the diameter of the confined planes is greater than institute
State the maximum gauge of conjunction gear.
7. the transmission assembly according to claim 1 using automatically controlled shift, wherein two driving gears are set respectively
It is placed in the two sides of the same synchronizer gear sleeve.
8. according to claim 1 using the transmission assembly of automatically controlled shift described in any one of -7, wherein the coating is height
Molecule nano coating.
9. the transmission assembly according to claim 8 using automatically controlled shift, wherein the high molecular nanometer is polyethers ether
Ketone material.
10. according to claim 1 using the transmission assembly of automatically controlled shift described in any one of -7, wherein the predetermined thickness
Degree is 0.01mm~0.015mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710272559.3A CN107061536B (en) | 2017-04-24 | 2017-04-24 | A kind of transmission assembly using automatically controlled shift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710272559.3A CN107061536B (en) | 2017-04-24 | 2017-04-24 | A kind of transmission assembly using automatically controlled shift |
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| Publication Number | Publication Date |
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| CN107061536A CN107061536A (en) | 2017-08-18 |
| CN107061536B true CN107061536B (en) | 2019-06-25 |
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| CN201710272559.3A Active CN107061536B (en) | 2017-04-24 | 2017-04-24 | A kind of transmission assembly using automatically controlled shift |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102018132517A1 (en) * | 2018-12-17 | 2020-06-18 | Schaeffler Technologies AG & Co. KG | Sliding sleeve |
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|---|---|---|---|---|
| CN2237749Y (en) * | 1995-06-09 | 1996-10-16 | 赵图静 | Steel-base coating synchronizer for vehicle |
| CN101668814A (en) * | 2007-04-23 | 2010-03-10 | 索维高级聚合物股份有限公司 | thermoplastic polymer mixtures, and applications thereof |
| WO2011092382A1 (en) * | 2010-01-28 | 2011-08-04 | Peugeot Citroën Automobiles SA | Method of operataing a synchromesh in a gearbox |
| CN102252042A (en) * | 2010-05-19 | 2011-11-23 | 通用汽车环球科技运作有限责任公司 | Shift transmission synchronizer |
| CN203627675U (en) * | 2013-11-15 | 2014-06-04 | 綦江齿轮传动有限公司 | Double-gear AMT (automated mechanical transmission) for hybrid passenger car |
| CN204921751U (en) * | 2015-08-11 | 2015-12-30 | 上海汽车变速器有限公司 | Synchronous ware gear integrated device with reverse function |
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| CN107061536A (en) | 2017-08-18 |
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