CN208966978U - Multiple-speed gear-box - Google Patents
Multiple-speed gear-box Download PDFInfo
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- CN208966978U CN208966978U CN201821354337.2U CN201821354337U CN208966978U CN 208966978 U CN208966978 U CN 208966978U CN 201821354337 U CN201821354337 U CN 201821354337U CN 208966978 U CN208966978 U CN 208966978U
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Abstract
The utility model provides a kind of multiple-speed gear-box, is related to the technical field of automobile, and multiple-speed gear-box includes four groups of planet rows, six shifting elements, transmission shaft and output shaft；Transmission shaft is connect with first clutch, second clutch and the second sun gear respectively；First brake is connect with the first sun gear；First gear ring is connect with the second planet carrier；First planet carrier is connected with exporting axis；Second gear ring is connect by the 4th axis with third planet carrier, and the 4th axis is connect with first clutch；Third sun gear is connect by the 5th axis with third brake, and the 5th axis is connect with second clutch；Third gear ring is connect with first planet carrier；Third planet carrier is connect with second brake；4th sun gear is connect with the 4th brake；The efficiency of above-mentioned multiple-speed gear-box is higher, and torque load is larger, and structure is smaller, and occupied space is smaller, can be suitable for the vehicle of compact type.
Description
Technical field
The utility model relates to automobile technical fields, more particularly, to a kind of multiple-speed gear-box.
Background technique
Speed changer is for changing the revolving speed from engine and the mechanism of torque, it is capable of fixing or a point gear changes output shaft
With input shaft transmission ratio, also known as gearbox.Speed changer is made of variable transmission mechanism and operating mechanism, some automobiles are also dynamic
Output mechanism.Transmission mechanism ordinary gear multi-purpose greatly is driven, also some Planetary Gear Transmissions.
In the prior art, the embodiment of speed changer is all directly successively to arrange three planetary gear sets, four
A or other shifting elements are partly placed directly before or after the planetary gear set of coupling.
But the efficiency of this speed changer is lower, torque load is larger, and structure is larger, can not be suitable for compact type
Vehicle.
Utility model content
The purpose of this utility model is to provide a kind of multiple-speed gear-boxes, to improve speed changer existing in the prior art
The technical issues of efficiency is lower, and torque load is larger, and structure is larger, can not be suitable for the vehicle of compact type.
Multiple-speed gear-box provided by the utility model, including case of transmission, the first planet row, the second planet row, third
Planet row, fourth planet row, the first brake, second brake, third brake, the 4th brake, first clutch, second
Clutch, transmission shaft and output shaft；
First planet row, the second planet row, third planet row, fourth planet row；First brake, second brake,
Three brakes, the 4th brake, first clutch and second clutch are arranged at the inside of case of transmission；First braking
Device, second brake, third brake and the 4th brake are fixedly connected with case of transmission respectively；
Third brake and the 4th brake are arranged in the first section；Second brake and fourth planet row's setting are the
In two sections；Third planet row is arranged in third section；First clutch and second clutch are arranged in the 4th section；The
Two planet rows are arranged in the 5th section；First planet row is arranged in the 6th section；First brake is arranged in the 7th section
In；
First planet row includes the first sun gear, first planetary gear, first planet carrier and the first gear ring；Second planet
Row includes the second sun gear, the second planetary gear, the second planet carrier and the second gear ring；Third planet row includes the third sun
Wheel, third planet gear, third planet carrier and third gear ring；Fourth planet row includes the 4th sun gear, fourth planet gear；
Fourth planet gear and third planet gear are coaxially disposed, and fourth planet gear is fixedly connected with third planet gear；4th
Planetary gear is arranged in third planet carrier with being fixedly connected；
Transmission shaft is connect with first clutch, second clutch and the second sun gear respectively；First brake passes through the
One axis is connect with the first sun gear；First gear ring is connect by the second axis with the second planet carrier；First planet carrier passes through third axis
It is connected with exporting axis；Second gear ring is connect by the 4th axis with third planet carrier, and the 4th axis is connect with first clutch；Third
Sun gear is connect by the 5th axis with third brake, and the 5th axis is connect with second clutch；Third gear ring passes through the 6th axis
It is connect with first planet carrier；Third planet carrier is connect by the 7th axis with second brake；4th sun gear by the 8th axis with
The connection of 4th brake；
Multiple-speed gear-box further includes oil pump and pump controller；The inside of case of transmission is arranged in oil pump and pump controller；
Pump controller is connect with oil pump.
Further, multiple-speed gear-box further includes fluid torque-converter；
The inside of case of transmission is arranged in fluid torque-converter；The fluid torque-converter input with engine and transmission shaft respectively
End connection.
Further, multiple-speed gear-box further includes double mass flywheel and mixed dynamic model block；
Mixed dynamic model block and double mass flywheel are arranged at the inside of case of transmission；Mixed dynamic model block and double mass flywheel with
The input terminal of transmission shaft connects.
Further, multiple-speed gear-box further includes parking ratchet wheel；
Parking ratchet wheel and the 6th axis connection.
Further, first clutch and second clutch are double centrum clutches.
Further, first clutch and second clutch are gear clutch.
Further, multiple-speed gear-box further includes electric pump；
The inside of case of transmission is arranged in electric pump；Electric pump is arranged in parallel with oil pump, and electric pump and hydraulic control system connect
It connects.
Further, multiple-speed gear-box further includes accumulator；
The inside of case of transmission is arranged in accumulator；Accumulator is arranged in parallel with oil pump, and accumulator and hydraulic control
System connection.
Further, case of transmission is internally provided with case partition；
Side of first section far from the second section is arranged in case partition；Second brake, third brake and
Four brakes are connect with case partition.
Further, the turbine of fluid torque-converter passes through the 9th axis and transmission axis connection.
Multiple-speed gear-box provided by the utility model, in use, oil pump pass through pump controller to hydraulic control system
System fuel feeding, transmission shaft rotate and then drive variable speed assembly movement to complete gear shift operation.Between each component of multiple-speed gear-box
Axis it is most short, the axis mutually placed is lacked as far as possible, and optimally utilize the possible constructions space in each cross section.
From the foregoing, it will be observed that the efficiency of above-mentioned multiple-speed gear-box is higher, torque load is larger, and structure is smaller, occupied space compared with
It is small, the vehicle of compact type can be suitable for.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structure principle chart of the multiple-speed gear-box provided by the embodiment of the utility model for being provided with fluid torque-converter；
Fig. 2 is the knot of the multiple-speed gear-box provided by the embodiment of the utility model for being provided with double mass flywheel and mixed dynamic model block
Structure schematic diagram.
Icon: 1- case of transmission；The first planet row of 2-；The second planet row of 3-；4- third planet row；5- fourth planet
Row；6- transmission shaft；7- output shaft；The first section 8-；The second section 9-；10- third section；The 4th section 11-；The 5th section of 12-
Face；The 6th section 13-；The 7th section 14-；The 8th section 15-；16- oil pump；17- pump controller；18- parking ratchet wheel；19-
One axis；The second axis of 20-；21- third axis；The 4th axis of 22-；The 5th axis of 23-；The 6th axis of 24-；The 7th axis of 25-；The 8th axis of 26-；
The 9th axis of 27-；28- electric pump；29- fluid torque-converter；30- case partition；31- double mass flywheel；32- mixes dynamic model block；33- electricity
Machine；The first sun gear of 201-；202- first planetary gear；203- first planet carrier；The first gear ring of 204-；Second sun of 301-
Wheel；The second planetary gear of 302-；The second planet carrier of 303-；The second gear ring of 304-；401- third sun gear；402- third planet tooth
Wheel；403- third planet carrier；404- third gear ring；The 4th sun gear of 501-；502- fourth planet gear；2901- turbine；
2902- pump impeller；2903- guide wheel；The first brake of B1-；B2- second brake；B3- third brake；The 4th brake of B4-；
C1- first clutch；C2- second clutch；C0- third clutch.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As depicted in figs. 1 and 2, multiple-speed gear-box provided by the utility model, including case of transmission 1, the first planet row
2, the second planet row 3, third planet row 4, fourth planet arrange the 5, first brake B1, second brake B2, third brake B3,
4th brake B4, first clutch C1, second clutch C2, fluid torque-converter 29, transmission shaft 6 and output shaft 7；
First planet row 2, the second planet row 3, third planet row 4, fourth planet row 5；First brake B1, the second braking
Device B2, third brake B3, the 4th brake B4, first clutch C1 and second clutch C2 are arranged at case of transmission
1 inside；First brake B1, second brake B2, third brake B3 and the 4th brake B4 respectively with transmission case
Body 1 is fixedly connected；
Third brake B3 and the 4th brake B4 is arranged in the first section 8；Second brake B2 and fourth planet row 5
It is arranged in the second section 9；Third planet row 4 is arranged in third section 10；First clutch C1 and second clutch C2 are set
It sets in the 4th section 11；Second planet row 3 is arranged in the 5th section 12；First planet row 2 is arranged in the 6th section 13
In；First brake B1 is arranged in the 7th section 14；
First planet row 2 includes the first sun gear 201, the first sun gear 202, first planet carrier 203 and the first gear ring
204；Second planet row 3 includes the second sun gear 301, the second sun gear 302, the second planet carrier 303 and the second gear ring 304；
Third planet row 4 includes third sun gear 401, third planet gear 402, third planet carrier 403 and third gear ring 404；The
Four planet rows 5 include the 4th sun gear 501, fourth planet gear 502；Fourth planet gear 502 and third planet gear 402 are same
Axis setting, and fourth planet gear 502 is fixedly connected with third planet gear 402；Fourth planet gear 502 is set with being fixedly connected
It sets in third planet carrier 403；
Transmission shaft 6 is connect with first clutch C1, second clutch C2 and the second sun gear 301 respectively；First braking
Device B1 is connect by first axle 19 with the first sun gear 201；First gear ring 204 is connected by the second axis 20 and the second planet carrier 303
It connects；First planet carrier 203 is connect by third axis 21 with output shaft 7；Second gear ring 304 passes through the 4th axis 22 and third planet
Frame 403 connects, and the 4th axis 22 is connect with first clutch C1；Third sun gear 401 passes through the 5th axis 23 and third brake
B3 connection, and the 5th axis 23 is connect with second clutch C2；Third gear ring 404 is connected by the 6th axis 24 with first planet carrier 203
It connects；Third planet carrier 403 is connect by the 7th axis 25 with second brake B2；4th sun gear 501 passes through the 8th axis 26 and the
Four brake B4 connections；
Multiple-speed gear-box further includes oil pump 16 and pump controller 17；Oil pump 16 and pump controller 17 are arranged in transmission case
The inside of body 1；Pump controller 17 is connect with oil pump 16.
As shown in table 1 below, shift concrete operations are as follows:
R gear: second brake B2 closure；First brake B1, third brake B3, the 4th brake B4, first from
Clutch C1 and second clutch C2 is decontroled；
First gear: the first brake B1, second brake B2 closure；Third brake B3, the 4th brake B4,
One clutch C1 and second clutch C2 is decontroled；
Second gear: the first brake B1 and the 4th brake B4 closure；Second brake B2, third brake B3,
One clutch C1 and second clutch C2 is decontroled；
Third gear: the first brake B1 and third brake B3 closure；Second brake B2, the 4th brake B4,
One clutch C1 and second clutch C2 is decontroled；
Fourth gear position: the first brake B1 and second clutch C2 closure；Second brake B2, third brake B3,
Four brake B4 and first clutch C1 are decontroled；
Fifth gear position: the first brake B1 and first clutch C1 closure；Second brake B2, third brake B3,
Four brake B4 and second clutch C2 are decontroled；
6th gear: first clutch C1 and second clutch C2 closure；First brake B1, second brake B2,
Three brake B3 and the 4th brake B4 are decontroled；
7th gear: third brake B3 and first clutch C1 closure；First brake B1, second brake B2,
Four brake B4 and second clutch C2 are decontroled；
8th gear: the 4th brake B4 and first clutch C1 closure；First brake B1, second brake B2,
Three brake B3 and second clutch C2 are decontroled.
Multiple-speed gear-box has eight forward gears, and gear range is 8.167.
Table 1
Multiple-speed gear-box provided in this embodiment, in use, oil pump 16 pass through 17 hydraulic control system of pump controller
System fuel feeding, transmission shaft 6 rotate and then drive variable speed assembly movement to complete gear shift operation.Between each component of multiple-speed gear-box
Axis it is most short, the axis mutually placed is lacked as far as possible, and optimally utilize the possible constructions space in each cross section.
From the foregoing, it will be observed that the efficiency of above-mentioned multiple-speed gear-box is higher, torque load is larger, and structure is smaller, occupied space compared with
It is small, the vehicle of compact type can be suitable for.
As shown in Figure 1, on the basis of the above embodiments, further, multiple-speed gear-box further includes fluid torque-converter 29；
The inside of case of transmission 1 is arranged in fluid torque-converter 29；Fluid torque-converter 29 respectively with engine and transmission shaft 6
Input terminal connection.
Wherein, pump controller 17 is to 29 fuel feeding of fluid torque-converter, so that fluid torque-converter 29 be enabled to rotate.
In the present embodiment, the rotation of fluid torque-converter 29 is to increase the torque of transmission shaft 6.
As shown in Fig. 2, on the basis of the above embodiments, further, multiple-speed gear-box further includes double mass flywheel 31
With mixed dynamic model block 32；
Mixed dynamic model block 32 and double mass flywheel 31 are arranged at the inside of case of transmission 1；Mixed dynamic model block 32 and double quality
Flywheel 31 is connect with the input terminal of transmission shaft 6.
Wherein, mixing dynamic model block 32 includes motor 33 and third clutch C0.Third clutch C0 and transmission shaft 6, double quality
Flywheel 31 and motor 33 connect.In use, when pure electric vehicle drives, third clutch C0 is decontroled；When engine drives
When dynamic or mixed dynamic, third clutch C0 closure.
In the present embodiment, above-mentioned setting can be realized pure electric vehicle, engine driving and mixed dynamic three kinds of driving methods, together
When, the setting of double mass flywheel can also play the role of damping and increase the torque of transmission shaft 6.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, multiple-speed gear-box further includes parking ratchet wheel
18；
Parking ratchet wheel 18 is connect with the 6th axis 24.
Wherein, parking ratchet wheel 18 can be set in the 8th section 15 between the 5th section 12 and the 6th section 13.
In the present embodiment, the connection in this of parking ratchet wheel 18 does not need additional axial arrangement space, can reduce in this way
The occupied space of device is more applicable for the vehicle of compact type.
On the basis of the above embodiments, further, first clutch C1 and second clutch C2 is double centrum clutches
Device；Or first clutch C1 and second clutch C2 is gear clutch.
In the present embodiment, the construction of double centrum clutches or gear clutch is more compact, is conducive to reduce device
Occupied space.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, multiple-speed gear-box further includes electric pump 28；
The inside of case of transmission 1 is arranged in electric pump 28；Electric pump 28 is arranged in parallel with oil pump 16, and electric pump 28 and hydraulic control
System connection processed.
After engine auto extinguishing, 28 low-speed running of electric pump to compensate the leakage of hydraulic control system, to machinery
Executing agency is lubricated, carries out pre- punching oil to clutch and brake；Also, after engine is again started up, electric pump 28
Simultaneously it is hydraulic control system fuel feeding with oil pump 16, is quickly clutch punching oil, guarantees the quick start of vehicle.
In the present embodiment, in the starting stage, oil pump 16 cannot reach preset oil pressure and revolving speed, be unable to complete to hydraulic control
System fuel feeding processed, it is therefore desirable to which electric pump 28 drives oil pump 16 to start, and electric pump 28 can play the role of start assisting.
On the basis of the above embodiments, further, multiple-speed gear-box further includes accumulator；
The inside of case of transmission 1 is arranged in accumulator；Accumulator is arranged in parallel with oil pump 16, and accumulator and hydraulic control
System connection processed.
The course of work of accumulator is identical as the course of work of above-mentioned electric pump 28.
In the present embodiment, in the starting stage, oil pump 16 cannot reach preset oil pressure and revolving speed, be unable to complete to hydraulic control
System fuel feeding processed, it is therefore desirable to which accumulator drives oil pump 16 to start, and accumulator can play the role of start assisting.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, case of transmission 1 is internally provided with
Case partition 30；
Side of first section 8 far from the second section 9 is arranged in case partition 30；Second brake B2, third brake
B3 and the 4th brake B4 are connect with case partition 30.
In the present embodiment, case partition 30 provides setting position for second brake B2 and third brake B3, and is
Cramped construction provides good precondition.
As shown in Figure 1, on the basis of the above embodiments, further, the turbine 2901 of fluid torque-converter 29 passes through the
Nine axis 27 are connect with transmission shaft 6.
In the present embodiment, in use, oil pump 16 passes through pump impeller 2902 of the pump controller 17 to fluid torque-converter 29
Fuel feeding, pump impeller 2902, turbine 2901 and the guide wheel 2093 of fluid torque-converter 29 cooperate to realize rotation process, turbine 2901
On the 9th axis 27 rotate with it, thus drive transmission shaft 6 rotate, transmission shaft 6 rotate so that drive variable speed assembly movement with complete
At gear shift operation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of multiple-speed gear-box characterized by comprising case of transmission, the first planet row, the second planet row, the third line
Star row, fourth planet row, the first brake, second brake, third brake, the 4th brake, first clutch, second from
Clutch, transmission shaft and output shaft；
First planet row, second planet row, third planet row, fourth planet row；First braking
Device, the second brake, the third brake, the 4th brake, the first clutch, the second clutch
It is arranged at the inside of the case of transmission；First brake, the second brake, the third brake and
4th brake is fixedly connected with the case of transmission respectively；
The third brake and the 4th brake are arranged in the first section；The second brake and the fourth line
Star row is arranged in the second section；The third planet row is arranged in third section；The first clutch and described second
Clutch is arranged in the 4th section；Second planet row is arranged in the 5th section；First planet row setting is the
In six sections；First brake is arranged in the 7th section；
First planet row includes the first sun gear, first planetary gear, first planet carrier and the first gear ring；Described second
Planet row includes the second sun gear, the second planetary gear, the second planet carrier and the second gear ring；Third planet row includes the
Three sun gears, third planet gear, third planet carrier and third gear ring；Fourth planet row includes the 4th sun gear, the
Four planetary gears；The fourth planet gear and the third planet gear are coaxially disposed, and the fourth planet gear and institute
Third planet gear is stated to be fixedly connected；The fourth planet gear is arranged in the third planet carrier with being fixedly connected；
The transmission shaft is connect with the first clutch, the second clutch and second sun gear respectively；It is described
First brake is connect by first axle with first sun gear；First gear ring passes through the second axis and second planet
Frame connection；The first planet carrier is connected to the output shaft by third axis；Second gear ring by the 4th axis with it is described
Third planet carrier connection, and the 4th axis is connect with the first clutch；The third sun gear passes through the 5th axis and institute
The connection of third brake is stated, and the 5th axis is connect with the second clutch；The third gear ring passes through the 6th axis and institute
State first planet carrier connection；The third planet carrier is connect by the 7th axis with the second brake；4th sun gear
It is connect by the 8th axis with the 4th brake；
The multiple-speed gear-box further includes oil pump and pump controller；The oil pump and the pump controller are arranged in the speed changer
The inside of shell；The pump controller is connect with oil pump.
2. multiple-speed gear-box according to claim 1, which is characterized in that further include fluid torque-converter；
The inside of the case of transmission is arranged in the fluid torque-converter；The fluid torque-converter respectively with engine and described
The input terminal of transmission shaft connects.
3. multiple-speed gear-box according to claim 1, which is characterized in that further include double mass flywheel and mixed dynamic model block；
The mixed dynamic model block and the double mass flywheel are arranged at the inside of the case of transmission；The mixed dynamic model block and institute
Double mass flywheel is stated to connect with the input terminal of the transmission shaft.
4. multiple-speed gear-box according to claim 1, which is characterized in that further include parking ratchet wheel；
The parking ratchet wheel and the 6th axis connection.
5. multiple-speed gear-box according to claim 1, which is characterized in that the first clutch and the second clutch
For double centrum clutches.
6. multiple-speed gear-box according to claim 1, which is characterized in that the first clutch and the second clutch
For gear clutch.
7. multiple-speed gear-box according to claim 1, which is characterized in that further include electric pump；
The inside of the case of transmission is arranged in the electric pump；The electric pump is arranged in parallel with the oil pump, and the electric pump
It is connect with hydraulic control system.
8. multiple-speed gear-box according to claim 1, which is characterized in that further include accumulator；
The inside of the case of transmission is arranged in the accumulator；The accumulator is arranged in parallel with the oil pump, and described
Accumulator is connect with hydraulic control system.
9. multiple-speed gear-box according to claim 1-8, which is characterized in that the inside of the case of transmission is set
It is equipped with case partition；
Side of first section far from second section is arranged in the case partition；It is the second brake, described
Third brake and the 4th brake are connect with the case partition.
10. multiple-speed gear-box according to claim 2, which is characterized in that the turbine of the fluid torque-converter passes through the 9th
Axis and the transmission axis connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354337.2U CN208966978U (en) | 2018-08-21 | 2018-08-21 | Multiple-speed gear-box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354337.2U CN208966978U (en) | 2018-08-21 | 2018-08-21 | Multiple-speed gear-box |
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| Publication Number | Publication Date |
|---|---|
| CN208966978U true CN208966978U (en) | 2019-06-11 |
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ID=66752524
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799441A (en) * | 2018-08-21 | 2018-11-13 | 盛瑞传动股份有限公司 | Multiple-speed gear-box |
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2018
- 2018-08-21 CN CN201821354337.2U patent/CN208966978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799441A (en) * | 2018-08-21 | 2018-11-13 | 盛瑞传动股份有限公司 | Multiple-speed gear-box |
| CN108799441B (en) * | 2018-08-21 | 2024-06-11 | 盛瑞传动股份有限公司 | Multi-speed transmission |
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