CN107575559A - The clutch cooling oil path of wet type three - Google Patents
The clutch cooling oil path of wet type three Download PDFInfo
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- CN107575559A CN107575559A CN201710951024.9A CN201710951024A CN107575559A CN 107575559 A CN107575559 A CN 107575559A CN 201710951024 A CN201710951024 A CN 201710951024A CN 107575559 A CN107575559 A CN 107575559A
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- 238000001816 cooling Methods 0.000 title claims abstract description 68
- 108090000565 Capsid Proteins Proteins 0.000 claims abstract description 38
- 241000239290 Araneae Species 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 30
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 162
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 210000000078 claw Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a kind of clutch cooling oil path of wet type three, the clutch of wet type three includes first clutch, second clutch and the 3rd clutch；Axially extending preset distance of the end of the close input shaft of electric machine casing along the input shaft, forms lower extension, and input shaft is rotatably supported in lower extension；The right-hand member of procapsid is fixed with the middle plate；Rotor field spider is rotatably supported in the lower extension of electric machine casing by angular contact ball bearing；The first clutch, second clutch and the 3rd clutch are disposed side by side on the inside of rotor field spider, and are cooled down by single cooling oil path.First clutch of the present invention, second clutch, the 3rd clutch are arranged in parallel at internal rotor, each clutch is provided with independent cooling oil path, three clutches are individually cooled down, solve block form clutch cooling oil path arrangement difficulty, effectively reduce the towing loss of clutch.
Description
Technical field
The present invention relates to a kind of clutch cooling oil path of wet type three, belongs to automobile industry hybrid gearbox technology neck
Domain.
Background technology
With the rapid development of auto industry, global auto recoverable amount persistently rises, the next energy resource consumption of automobile belt, environment
The problems such as pollution, increasingly shows.To tackle increasingly strict vehicle fuel consumption and Abgasgesetz, each Automobile Enterprises will energy-conservation
Emission-reduction technology is as research direction, and hybrid vehicle is because of its technical advantage and cost advantage just progressively commercially fine dew
The brilliance, turn into the mainstream development trend of automobile industry.
Hybrid gearbox is required to passing power, while realizes the power coupling of engine and motor.For reality
Existing power coupling, sets a motor coupled clutch device generally between engine and speed changer, and the device generally comprises
One motor, three wet clutches, wherein first clutch are connected with engine, and second clutch and the 3rd clutch are with becoming
Fast device connection.Second clutch and the 3rd clutch have two kinds of structure types of nested type and block form, for nested type scheme, only
Second clutch and the 3rd clutch are cooled down with a cooling oil path, are easy to the arrangement of cooling oil path, but clutch
Towing loss is larger, and for block form scheme, each clutch individually cools down, and can effectively reduce the towing loss of clutch, but
Be cooling oil path arrangement it is very difficult.
The content of the invention
It is an object of the present invention to provide a kind of clutch cooling oil path of wet type three, three clutches being arranged in juxtaposition individually are entered
Row cooling, solves the arrangement difficulty of three cooling oil paths.
The present invention solves technical problem and adopted the following technical scheme that：A kind of clutch cooling oil path of wet type three, its is described wet
The clutch of formula three includes electric machine casing, procapsid, middle plate, rotor field spider, first clutch, second clutch and the 3rd clutch
Device；
The upper end of the electric machine casing is fixed on the procapsid；
Axially extending preset distance of the end of the close input shaft of the electric machine casing along the input shaft, formed downward
Extending portion, the lower extension are rotatably supported on input shaft；The right-hand member of the procapsid is fixed with the middle plate；
The rotor field spider is rotatably supported in the lower extension of electric machine casing by angular contact ball bearing；
The first clutch, second clutch and the 3rd clutch are disposed side by side on the inside of rotor field spider, and lead to
Single cooling oil path is crossed to be cooled down.
Optionally, the end of the remote input shaft of the electric machine casing is also along the axially extending predetermined of the input shaft
Distance, extension in formation, the upper extension are fixed on the procapsid.
Optionally, in the horizontal direction formed with the first oil duct on the procapsid, and along vertical side on the electric machine casing
To formed with the 3rd oil duct, and first oil duct one end of the procapsid connects with transmission control valve, the other end and motor casing
The 3rd oil duct connection of body, first clutch cooling oil flow through the first oil duct on procapsid after the outflow of transmission control valve
Into the 3rd oil duct on sidewall of motor housing；
The cooling oil passage of sealing is formed between first clutch hydraulic cylinder and electric machine casing；
The first Oil Guide set is pressed with the electric machine casing, the first Oil Guide is put provided with groove, makes Oil Guide set and motor casing
The first oil pocket is formed between body；It is provided with oil input channel hole and oil road hole on electric machine casing, and the oil input channel hole and fuel-displaced
Road hole connects with the first oil pocket, also offers oil hole on the rotor field spider, and first clutch cooling oil is from electric machine casing
The 3rd internal oil duct flows to the sealing oil duct formed between first clutch hydraulic cylinder and electric machine casing, by electric machine casing
The first oil pocket for entering between electric machine casing and Oil Guide set of oil hole, and pass through another oil hole stream on electric machine casing
Region between two angular contact ball bearings, first clutch is flowed to by the oil hole on rotor field spider.
Optionally, the cylinder body of the first clutch hydraulic cylinder is provided with oil guide groove, and the first clutch hydraulic pressure
The first sealing ring is provided between cylinder and electric machine casing, so that forming sealing between first clutch hydraulic cylinder and electric machine casing
Cooling oil passage.
Optionally, in the horizontal direction formed with the second oil duct on the procapsid, and along vertical side on the electric machine casing
To formed with the 4th oil duct, and one end of the second oil duct of the procapsid connects with transmission control valve, the other end and motor
The 4th oil duct connection of housing, second clutch cooling oil flow through the second oil on procapsid after the outflow of transmission control valve
The 4th oil duct that road enters on sidewall of motor housing；
The first oil sealing is provided between input shaft and electric machine casing, makes to form sealing between electric machine casing and input shaft, it is defeated
It is hollow shaft structure to enter axle, the second Oil Guide set is pressed with input shaft, the second Oil Guide is put provided with groove, in input shaft with leading
The second oil pocket is formed between oil jacket, while input shaft is provided with oil hole, is connected with the second oil pocket；
There is certain interval cooling but oil stream mistake between input shaft and the first output shaft, it is recessed to be provided with several in input shaft end
Groove；
Second clutch cooling oil flows into from the 4th oil duct inside electric machine casing, is flowed into by the oil hole on input shaft
Oil pocket between input shaft and Oil Guide set, then by the gap between input shaft and the first output shaft, from the recessed of input shaft end
Groove flows out, and flows to second clutch.
Optionally, the second sealing ring is provided between second clutch input shaft and transmission input shaft, prevent second from
Clutch cooling oil shunts.
Optionally, on the middle plate formed with horizontal extension, the 5th oil is offered on the horizontal extension of the middle plate
Road and the 6th oil duct, transmission control valve are connected by the 5th oil duct on middle plate with the first oil duct of procapsid；Speed changer control
Valve processed is connected by the 6th oil duct on middle plate with the second oil duct of procapsid.
Optionally, the 7th oil duct, one end of the 7th oil duct and speed changer are vertically offered on the middle plate
Application valve body connects；The second oil sealing is provided between the middle plate and the second output shaft, makes to be formed between middle plate and the second output shaft
Sealing, the 3rd clutch hydraulic cylinder is fixed in the side wall of middle plate, while certain interval is provided between the second output shaft, and the 3rd
Clutch cooling oil flows into after the outflow of transmission control valve along the 7th oil duct of middle plate, passes through the 3rd clutch hydraulic cylinder and the
Gap between two output shafts flows to the 3rd clutch.
The present invention has the advantages that：First clutch of the present invention, second clutch, the 3rd clutch are arranged in juxtaposition
In internal rotor, each clutch is provided with independent cooling oil path, three clutches is individually cooled down, solve block form clutch
Device cooling oil path arrangement difficulty, effectively reduce the towing loss of clutch.
Brief description of the drawings
Fig. 1 is the structural representation (flowing of first clutch cooling oil of the clutch cooling oil path of wet type three of the present invention
Path)；
Fig. 2 is the structural representation (flowing of second clutch cooling oil of the clutch cooling oil path of wet type three of the present invention
Path)；
Fig. 3 is the structural representation of the clutch cooling oil path of wet type three of the present invention；
Fig. 4 is the structural representation of the second Oil Guide set of the present invention；
Fig. 5 is the structural representation of the first Oil Guide set of the present invention；
Fig. 6 is the first clutch platen of the present invention and the structural representation of second clutch platen；
Fig. 7 is the structural representation of the sliding support piece of the present invention；
Fig. 8 is the mounting structure schematic diagram of the sliding support piece and second clutch platen of the present invention；
Mark is illustrated as in figure：1- rotor field spiders；2- first clutches；3- second clutches；The clutches of 4- the 3rd；5- electricity
Casing body；6- oil baffles；7- angular contact ball bearings；8- first clutch cooling oils；9- first clutch hydraulic cylinders；10- needle rollers
Bearing；The oil sealings of 11- first；12- input shafts；13- the second Oil Guide sets；The sealing rings of 14- first；The output shafts of 15- first；16- second
Output shaft；Plate in 17-；The clutch hydraulic cylinders of 18- the 3rd；19- oil sealings；20- transmission input shafts；The sealing rings of 21- second；22-
Second clutch cooling oil；The clutch cooling oils of 23- the 3rd；24- the first Oil Guide sets；25- procapsids；31- first clutches
Friction plate；The steel disc of 32- first clutches；33- first clutch release bearings；34- first clutch platens；35- second from
The friction plate of clutch；The steel disc of 36- second clutches；The friction plate of the clutches of 37- the 3rd；The steel disc of the clutches of 38- the 3rd；
39- second clutch hydraulic cylinders；40- second clutch platens；The clutch compressing discs of 41- the 3rd；42- claws；43- is slidably supported
Piece；The arc sections of 431- first；The arc sections of 432- second；433- fixed columns；The oil ducts of 44- first；The oil ducts of 45- second；The oil of 46- the 3rd
Road；The oil ducts of 47- the 4th；The oil ducts of 48- the 5th；The oil ducts of 49- the 6th.
Embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Embodiment 1
A kind of clutch cooling oil path of wet type three is present embodiments provided, wherein, the clutch of wet type three includes motor
Housing 5, procapsid 25, middle plate 17, first clutch 2, the clutch 4 of second clutch 3 and the 3rd；
Input shaft 12 is rotatably supported in the electric machine casing 5 by two needle bearings 10, for example, the motor
Axially extending preset distance of the end of the close input shaft 12 of housing 5 along the input shaft 12, lower extension is formed, this
Shi Suoshu input shafts 12 are rotatably supported in the lower extension by needle bearing 10, and the electric machine casing 5
Be fixed on the procapsid 25 away from the end of the input shaft 12, with reference to figure 1, in the present embodiment, the electric machine casing 5 it is remote
From the input shaft 12 end also along the axially extending preset distance of the input shaft 12, extension in formation so that
The electric machine casing 5 is located at the inside of the procapsid 25；The procapsid 25 is set parallel to the axis of the input shaft 12,
And the middle plate 17 is fixed with the right-hand member of the procapsid 25, the middle plate 17 is set perpendicular to the axis of the input shaft 12
Put.
The first clutch 2, the clutch 4 of second clutch 3 and the 3rd are disposed side by side on the inside of rotor field spider 1, institute
Rotor field spider 1 is stated to be rotatably supported in the lower extension of electric machine casing 5 by two angular contact ball bearings 7；The present embodiment
In, the angular contact ball bearing 7 carries out pretension and axially position by locking nut.The first clutch 2, second clutch
3 and the 3rd clutch 4 it is integrated with rotor field spider 1, the motor of the present embodiment and the axial chi of clutch integrating device are reduced with this
Very little and amount of parts.
Specifically, the friction plate 31 of the first clutch is connected with input shaft 12 by spline, the first clutch
Steel disc 32 be connected with rotor field spider 1 by spline；The cylinder body of the first clutch hydraulic cylinder 9 is fixed on the electric machine casing
On 5, the piston of the first clutch hydraulic cylinder 9 is connected to the first clutch pressure by first clutch release bearing 33
On disk 34, the first clutch platen 34 passes through rotor field spider 1, is contacted with the steel disc 32 of first clutch, when the first clutch
When the piston of device hydraulic cylinder 9 moves right, the steel disc 32 for promoting first clutch by first clutch platen 34 moves right,
So as to being contacted with the friction plate 31 of first clutch so that first clutch 2 engages, the power of engine by input shaft 12,
First clutch 2 is delivered to rotor field spider 1, and sliding supporting structure is provided between first clutch platen 34 and rotor field spider 1, uses
Guiding and positioning in first clutch platen 34.
The friction plate 35 of second clutch is connected with the first output shaft 15 by spline, and the steel disc 36 of second clutch is with turning
Submounts 1 are connected by spline, and one end of the first output shaft 15 is rotatably supported at the input shaft 12 by needle bearing
It is interior, and the other end of first output shaft 15 is connected (not shown) by spline with transmission input shaft.
Similar with second clutch 2, the friction plate 37 of the 3rd clutch is connected by spline with the second output shaft 16, and the 3rd
The steel disc 38 of clutch is connected with rotor field spider 1 by spline, one end of the second output shaft 16 by needle bearing rotationally
It is supported on first output shaft 15, the other end of second output shaft 16 is connected by spline with transmission input shaft
(not shown).
The cylinder body of the clutch hydraulic cylinder 18 of second clutch hydraulic cylinder 39 and the 3rd is both secured on the middle plate 17,
And the piston of the second clutch hydraulic cylinder 39 is connected to second clutch platen 40 by second clutch release bearing,
The piston of 3rd clutch hydraulic cylinder 18 is connected to the 3rd clutch compressing disc 41 by the 3rd clutch release bearing.
In the present embodiment, the outer rim of the 3rd clutch compressing disc 41 is provided with trapezoid spline, so that the described 3rd
Clutch compressing disc 41 makes the 3rd clutch compressing disc 41 by radially by the trapezoid spline and the synchronous axial system of rotor field spider 1
Positioning with it is axially directed；Be circumferentially formed thereon annular protrusion on 3rd clutch compressing disc 41, the annular protrusion with
The steel disc 38 of 3rd clutch contacts, so as in the 3rd clutch compressing disc 41 vertically to left movement when, the described 3rd from
Clutch platen 41 promotes the steel disc 38 of the 3rd clutch to left movement, and causes the clutch of steel disc 38 and the 3rd of the 3rd clutch
Friction plate 37 contact, so as to realize the power transmission of the 3rd clutch 4, the power of motor or engine by rotor field spider 1,
3rd clutch 4, the second output shaft 16 pass to transmission input shaft；On the contrary, when not needing the 3rd clutch 4 to work,
3rd clutch 4 is separated and (ensures to be completely separated between friction plate and steel disc, reduce clutch towing moment of torsion) by spring element, is cut
Disconnected power transmission；Now the 3rd clutch compressing disc 41 moves right so that the 3rd clutch 4 separates.
3rd clutch compressing disc 41 along the circumferential direction offers multiple arc-shaped holes；In the present embodiment, it is preferable that institute
State circumference of the arc-shaped hole along the 3rd clutch compressing disc 41 to be uniformly distributed, and the quantity of the arc-shaped hole can be 8
It is individual；And the steel disc 38 of the 3rd clutch also opens up relative to the position of the arc-shaped hole of the 3rd clutch compressing disc 41
There is arc-shaped hole.
Worn on the second clutch platen 40 formed with the claw 42 being engaged with the arc-shaped hole, the claw 42
The arc-shaped hole of the steel disc 38 of the 3rd clutch compressing disc 41 and the 3rd clutch is crossed, is connect with the steel disc 36 of second clutch
Touch, so as in second clutch platen 40 vertically to left movement when, the steel disc 36 of second clutch can be promoted to move, and make
The steel disc 36 for obtaining second clutch contacts with the friction plate 35 of second clutch, so as to realize the power transmission of second clutch 3,
The power of motor or engine passes to the input shaft of speed changer by rotor field spider 1, second clutch 3, the first output shaft 15.
It is highly preferred that sliding support piece 43 is provided between the clutch compressing disc 41 of second clutch platen 40 and the 3rd,
Sliding support piece includes the first arc sections 431, the second arc sections 432 and fixed column 433.
The width and thickness all same of first arc sections 431 and second arc sections 432, second arc sections
432 circumferential one end are connected to circumferential one end of first arc sections 431, and cause first arc sections 431 and the
Two arc sections 432 can be close to the second clutch platen 40 when being installed on second clutch platen 40, i.e., described first circle
The shape of second clutch platen 40 of the shape of the arc sections 432 of arc portion 431 and second with being in contact with it is corresponding, the present embodiment
In, first arc sections 431 can be integrally formed with second arc sections 432.
One end of the fixed column 433 is fixed in first arc sections 431, it is preferable that the fixed column 433 is vertical
In first arc sections 431, and the fixed column 433 is located at first arc sections 431 with second arc sections 432
The same side.
Offer multiple mounting holes on the second clutch platen 40, in the present embodiment, the mounting hole is along described
The circumference of two clutch compressing discs 40 is uniformly distributed, and the fixed column 433 of the sliding support piece 43 is fixed in the mounting hole,
And the sliding support piece 43 is located between the clutch compressing disc 41 of second clutch platen 40 and the 3rd, its upper surface is with
Surface is in contact respectively at the 3rd clutch compressing disc 41 and second clutch platen 40, i.e., by slidably support piece 43 make second from
The radial positioning of clutch platen 40 with it is axially directed.
In the horizontal direction formed with the first oil duct 44 and the second oil duct 45 on the procapsid 25, and the electric machine casing 5
On vertically formed with the 3rd oil duct 46 and the 4th oil duct 47, and one end of the first oil duct 44 of the procapsid 25 and speed change
Device control valve connects, and the other end connects with the 3rd oil duct 46 of electric machine casing 5, and first clutch cooling oil 8 is from transmission control
After valve outflow, the 3rd oil duct 46 that the first oil duct 44 on procapsid 25 enters in the side wall of electric machine casing 5 is flowed through；It is moreover, described
One end of second oil duct 45 of procapsid 25 connects with transmission control valve, and the 4th oil duct 47 of the other end and electric machine casing 5 connects
Logical, for second clutch cooling oil 22 after the outflow of transmission control valve, the second oil duct 45 flowed through on procapsid 25 enters motor
The 4th oil duct 47 in the side wall of housing 5.
Moreover, when the middle plate 17 has the horizontal extension in horizontal direction, offered on the horizontal extension
5th oil duct 48 and the 6th oil duct 49, one end of the 5th oil duct 48 connect with transmission control valve, the other end and procapsid
25 the first oil duct 44 connects, that is to say, that the transmission control valve passes through the 5th oil duct 48 and procapsid on middle plate 17
The first oil duct 44 connect so that first clutch cooling oil 8 from transmission control valve outflow after, flow through on middle plate 17
The 3rd oil duct 46 that the first oil duct 44 on first oil duct 48, procapsid 25 enters in the side wall of electric machine casing 25.
Meanwhile the transmission control valve is connected by the second oil duct 45 of the 6th oil duct 49 on middle plate 17 and procapsid 25
It is logical.
The cylinder body of the first clutch hydraulic cylinder 9 is provided with oil guide groove, and the first clutch hydraulic cylinder 9 and electricity
The first sealing ring 14 is provided between casing body 5, so that forming sealing between first clutch hydraulic cylinder 9 and electric machine casing 5
Cooling oil passage.
The first Oil Guide set 24 is pressed with the electric machine casing, the first Oil Guide set 24 is provided with groove, make Oil Guide set 24 and
The first oil pocket is formed between electric machine casing 5.It is provided with electric machine casing 5 into and out of two oil holes, and the oil hole and first
Oil pocket connects, meanwhile, oil hole is also offered on the rotor field spider, first clutch cooling oil 8 is inside electric machine casing 5
3rd oil duct flows to the sealing oil duct formed between first clutch hydraulic cylinder 9 and electric machine casing 5, by electric machine casing 5
The first oil pocket that oil hole enters between electric machine casing 5 and Oil Guide set 24, and pass through another oil hole on electric machine casing 5
The region between two angular contact ball bearings 7 is flowed to, first clutch 2 is flowed to eventually through the oil hole on rotor field spider 1, it is right
First clutch 2 is cooled down, and final cooling oil flows out along the inwall of rotor field spider 1 from the both sides of rotor field spider 1.In angular contact ball axle
Hold place and be provided with oil baffle, prevent cooling oil from being shunted from angular contact ball bearing position.
The first oil sealing 11 is provided between input shaft 12 and electric machine casing 5, makes to be formed between electric machine casing 5 and input shaft 12
Sealing, input shaft 5 is hollow shaft structure, and the second Oil Guide set 13 is pressed with input shaft 5, and the second Oil Guide set 13 is provided with recessed
Groove, the second oil pocket is formed between input shaft 12 and Oil Guide set 13, while input shaft is provided with oil hole, connects with the second oil pocket
It is logical.
There is certain interval cooling but oil stream mistake between the output shaft 15 of input shaft 12 and first, if being provided with the end of input shaft 12
Dry groove.
Second clutch cooling oil 22 flows into from the 4th oil duct inside electric machine casing 5, passes through the oil duct on input shaft 12
The oil pocket that hole is flowed between input shaft 12 and Oil Guide set 13, then by the gap between the output shaft 15 of input shaft 12 and first, most
Flowed out eventually from the groove of the end of input shaft 12, flow to second clutch 3, second clutch 3 is cooled down, final cooling oil edge
The inwall of rotor field spider 1 flows out from the both sides of rotor field spider 1.It is provided between second clutch input shaft 12 and transmission input shaft 20
Second sealing ring 21, prevents second clutch cooling oil 22 from shunting.
The 7th oil duct, one end and the transmission control valve of the 7th oil duct are vertically offered on the middle plate 17
Body connects；The second oil sealing is provided between the output shaft 16 of middle plate 17 and second, makes shape between the middle output shaft 16 of plate 17 and second
Into sealing, the 3rd clutch hydraulic cylinder 18 is fixed in the side wall of middle plate 17, while is provided with necessarily between the second output shaft 16
Gap, the 3rd clutch cooling oil 23 from transmission control valve outflow after along middle plate 17 the 7th oil duct flow into, by the 3rd from
Gap between the output shaft 16 of clutch hydraulic cylinder 18 and second flows to the 3rd clutch, the 3rd clutch is cooled down, finally
Cooling oil flows out along the inwall of rotor field spider 1 from the both sides of rotor field spider 1.
The present invention is by the way that first clutch, second clutch, the 3rd clutch are arranged in parallel inside rotor field spider, often
Individual clutch is provided with independent cooling oil path, and three clutches are individually cooled down, and solves block form clutch cooling oil path cloth
Problem is put, effectively reduces the towing loss of clutch.
The sequencing of above example only for ease of describing, does not represent the quality of embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. a kind of clutch cooling oil path of wet type three, it is characterised in that the clutch of wet type three includes electric machine casing, fore shell
Body, middle plate, rotor field spider, first clutch, second clutch and the 3rd clutch；
The upper end of the electric machine casing is fixed on the procapsid；
Axially extending preset distance of the end of the close input shaft of the electric machine casing along the input shaft, form lower extend
Portion, the input shaft are rotatably supported in the lower extension；The right-hand member of the procapsid is fixed with the middle plate；
The rotor field spider is rotatably supported in the lower extension of electric machine casing by angular contact ball bearing；
The first clutch, second clutch and the 3rd clutch are disposed side by side on the inside of rotor field spider, and pass through list
Only cooling oil path is cooled down.
2. the clutch cooling oil path of wet type three according to claim 1, it is characterised in that the remote institute of the electric machine casing
The end of input shaft is stated also along the axially extending preset distance of the input shaft, and extension in formation, the upper extension is fixed
In the procapsid.
3. the clutch cooling oil path of wet type three according to claim 2, it is characterised in that along level side on the procapsid
To formed with the first oil duct, and vertically formed with the 3rd oil duct on the electric machine casing, and the first of the procapsid
Oil duct one end connects with transmission control valve, and the other end connects with the 3rd oil duct of electric machine casing, first clutch cooling oil from
After the outflow of transmission control valve, the 3rd oil duct that the first oil duct on procapsid enters on sidewall of motor housing is flowed through；
The cooling oil passage of sealing is formed between first clutch hydraulic cylinder and electric machine casing；
The first Oil Guide set is pressed with the electric machine casing, the first Oil Guide is put provided with groove, make Oil Guide set with electric machine casing it
Between form the first oil pocket；Oil input channel hole and oil road hole, and the oil input channel hole and oil road hole are provided with electric machine casing
Connected with the first oil pocket, oil hole is also offered on the rotor field spider, first clutch cooling oil is inside electric machine casing
The 3rd oil duct flow to the sealing oil duct formed between first clutch hydraulic cylinder and electric machine casing, pass through the oil on electric machine casing
The first oil pocket that road hole enters between electric machine casing and Oil Guide set, and flow to two by another oil hole on electric machine casing
Region between individual angular contact ball bearing, first clutch is flowed to by the oil hole on rotor field spider.
4. the clutch cooling oil path of wet type three according to claim 3, it is characterised in that the first clutch hydraulic cylinder
Cylinder body be provided with oil guide groove, and the first sealing ring is provided between the first clutch hydraulic cylinder and electric machine casing, so as to
So that the cooling oil passage of sealing is formed between first clutch hydraulic cylinder and electric machine casing.
5. the clutch cooling oil path of wet type three according to claim 2, it is characterised in that along level side on the procapsid
To formed with the second oil duct, and vertically formed with the 4th oil duct on the electric machine casing, and the second of the procapsid
One end of oil duct connects with transmission control valve, and the other end connects with the 4th oil duct of electric machine casing, second clutch cooling oil
After the outflow of transmission control valve, the 4th oil duct that the second oil duct on procapsid enters on sidewall of motor housing is flowed through；
The first oil sealing is provided between input shaft and electric machine casing, makes to form sealing, input shaft between electric machine casing and input shaft
For hollow shaft structure, the second Oil Guide set is pressed with input shaft, the second Oil Guide is put provided with groove, in input shaft and Oil Guide set
Between form the second oil pocket, while input shaft is provided with oil hole, is connected with the second oil pocket；
There is certain interval cooling but oil stream mistake between input shaft and the first output shaft, several grooves are provided with input shaft end；
Second clutch cooling oil is flowed into from the 4th oil duct inside electric machine casing, and input is flowed into by the oil hole on input shaft
Oil pocket between axle and Oil Guide set, then by the gap between input shaft and the first output shaft, the groove stream from input shaft end
Go out, flow to second clutch.
6. the clutch cooling oil path of wet type three according to claim 5, it is characterised in that second clutch input shaft with
The second sealing ring is provided between transmission input shaft, prevents second clutch cooling oil from shunting.
7. the clutch cooling oil path of wet type three according to claim 3 or 5, it is characterised in that on the middle plate formed with
Horizontal extension, the 5th oil duct and the 6th oil duct is offered on the horizontal extension of the middle plate, transmission control valve is in
The 5th oil duct on plate connects with the first oil duct of procapsid；Transmission control valve passes through the 6th oil duct and procapsid on middle plate
The second oil duct connection.
8. the clutch cooling oil path of wet type three according to claim 2, it is characterised in that on the middle plate vertically
The 7th oil duct is offered, one end of the 7th oil duct is connected with transmission control valve body；The middle plate and the second output shaft it
Between be provided with the second oil sealing, make to form sealing between middle plate and the second output shaft, the 3rd clutch hydraulic cylinder is fixed on the side of middle plate
On wall, while certain interval is provided between the second output shaft, the 3rd clutch cooling oil from transmission control valve outflow after edge
7th oil duct of middle plate is flowed into, and the 3rd clutch is flowed to by the gap between the 3rd clutch hydraulic cylinder and the second output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951024.9A CN107575559B (en) | 2017-10-13 | 2017-10-13 | Wet-type three-clutch cooling oil way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951024.9A CN107575559B (en) | 2017-10-13 | 2017-10-13 | Wet-type three-clutch cooling oil way |
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| CN107575559A true CN107575559A (en) | 2018-01-12 |
| CN107575559B CN107575559B (en) | 2024-03-15 |
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| CN111750080A (en) * | 2020-06-30 | 2020-10-09 | 重庆长安汽车股份有限公司 | Oil path structure of hybrid transmission box clutch |
| CN113738786A (en) * | 2020-05-29 | 2021-12-03 | 蜂巢传动科技河北有限公司 | Power transmission system for vehicle and vehicle |
| CN114174094A (en) * | 2019-12-05 | 2022-03-11 | 舍弗勒技术股份两合公司 | Transmission mechanism for hybrid power system and hybrid power system |
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